ResourceTypes.cpp revision cf244ada58539ce857ec041d7288d0271204fbb6 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "ResourceType"
18//#define LOG_NDEBUG 0
19
20#include <utils/Atomic.h>
21#include <utils/ByteOrder.h>
22#include <utils/Debug.h>
23#include <utils/ResourceTypes.h>
24#include <utils/String16.h>
25#include <utils/String8.h>
26#include <utils/TextOutput.h>
27#include <utils/Log.h>
28
29#include <stdlib.h>
30#include <string.h>
31#include <memory.h>
32#include <ctype.h>
33#include <stdint.h>
34
35#ifndef INT32_MAX
36#define INT32_MAX ((int32_t)(2147483647))
37#endif
38
39#define POOL_NOISY(x) //x
40#define XML_NOISY(x) //x
41#define TABLE_NOISY(x) //x
42#define TABLE_GETENTRY(x) //x
43#define TABLE_SUPER_NOISY(x) //x
44#define LOAD_TABLE_NOISY(x) //x
45#define TABLE_THEME(x) //x
46
47namespace android {
48
49#ifdef HAVE_WINSOCK
50#undef  nhtol
51#undef  htonl
52
53#ifdef HAVE_LITTLE_ENDIAN
54#define ntohl(x)    ( ((x) << 24) | (((x) >> 24) & 255) | (((x) << 8) & 0xff0000) | (((x) >> 8) & 0xff00) )
55#define htonl(x)    ntohl(x)
56#define ntohs(x)    ( (((x) << 8) & 0xff00) | (((x) >> 8) & 255) )
57#define htons(x)    ntohs(x)
58#else
59#define ntohl(x)    (x)
60#define htonl(x)    (x)
61#define ntohs(x)    (x)
62#define htons(x)    (x)
63#endif
64#endif
65
66static void printToLogFunc(void* cookie, const char* txt)
67{
68    LOGV("%s", txt);
69}
70
71// Standard C isspace() is only required to look at the low byte of its input, so
72// produces incorrect results for UTF-16 characters.  For safety's sake, assume that
73// any high-byte UTF-16 code point is not whitespace.
74inline int isspace16(char16_t c) {
75    return (c < 0x0080 && isspace(c));
76}
77
78// range checked; guaranteed to NUL-terminate within the stated number of available slots
79// NOTE: if this truncates the dst string due to running out of space, no attempt is
80// made to avoid splitting surrogate pairs.
81static void strcpy16_dtoh(uint16_t* dst, const uint16_t* src, size_t avail)
82{
83    uint16_t* last = dst + avail - 1;
84    while (*src && (dst < last)) {
85        char16_t s = dtohs(*src);
86        *dst++ = s;
87        src++;
88    }
89    *dst = 0;
90}
91
92static status_t validate_chunk(const ResChunk_header* chunk,
93                               size_t minSize,
94                               const uint8_t* dataEnd,
95                               const char* name)
96{
97    const uint16_t headerSize = dtohs(chunk->headerSize);
98    const uint32_t size = dtohl(chunk->size);
99
100    if (headerSize >= minSize) {
101        if (headerSize <= size) {
102            if (((headerSize|size)&0x3) == 0) {
103                if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) {
104                    return NO_ERROR;
105                }
106                LOGW("%s data size %p extends beyond resource end %p.",
107                     name, (void*)size,
108                     (void*)(dataEnd-((const uint8_t*)chunk)));
109                return BAD_TYPE;
110            }
111            LOGW("%s size 0x%x or headerSize 0x%x is not on an integer boundary.",
112                 name, (int)size, (int)headerSize);
113            return BAD_TYPE;
114        }
115        LOGW("%s size %p is smaller than header size %p.",
116             name, (void*)size, (void*)(int)headerSize);
117        return BAD_TYPE;
118    }
119    LOGW("%s header size %p is too small.",
120         name, (void*)(int)headerSize);
121    return BAD_TYPE;
122}
123
124inline void Res_value::copyFrom_dtoh(const Res_value& src)
125{
126    size = dtohs(src.size);
127    res0 = src.res0;
128    dataType = src.dataType;
129    data = dtohl(src.data);
130}
131
132void Res_png_9patch::deviceToFile()
133{
134    for (int i = 0; i < numXDivs; i++) {
135        xDivs[i] = htonl(xDivs[i]);
136    }
137    for (int i = 0; i < numYDivs; i++) {
138        yDivs[i] = htonl(yDivs[i]);
139    }
140    paddingLeft = htonl(paddingLeft);
141    paddingRight = htonl(paddingRight);
142    paddingTop = htonl(paddingTop);
143    paddingBottom = htonl(paddingBottom);
144    for (int i=0; i<numColors; i++) {
145        colors[i] = htonl(colors[i]);
146    }
147}
148
149void Res_png_9patch::fileToDevice()
150{
151    for (int i = 0; i < numXDivs; i++) {
152        xDivs[i] = ntohl(xDivs[i]);
153    }
154    for (int i = 0; i < numYDivs; i++) {
155        yDivs[i] = ntohl(yDivs[i]);
156    }
157    paddingLeft = ntohl(paddingLeft);
158    paddingRight = ntohl(paddingRight);
159    paddingTop = ntohl(paddingTop);
160    paddingBottom = ntohl(paddingBottom);
161    for (int i=0; i<numColors; i++) {
162        colors[i] = ntohl(colors[i]);
163    }
164}
165
166size_t Res_png_9patch::serializedSize()
167{
168    // The size of this struct is 32 bytes on the 32-bit target system
169    // 4 * int8_t
170    // 4 * int32_t
171    // 3 * pointer
172    return 32
173            + numXDivs * sizeof(int32_t)
174            + numYDivs * sizeof(int32_t)
175            + numColors * sizeof(uint32_t);
176}
177
178void* Res_png_9patch::serialize()
179{
180    // Use calloc since we're going to leave a few holes in the data
181    // and want this to run cleanly under valgrind
182    void* newData = calloc(1, serializedSize());
183    serialize(newData);
184    return newData;
185}
186
187void Res_png_9patch::serialize(void * outData)
188{
189    char* data = (char*) outData;
190    memmove(data, &wasDeserialized, 4);     // copy  wasDeserialized, numXDivs, numYDivs, numColors
191    memmove(data + 12, &paddingLeft, 16);   // copy paddingXXXX
192    data += 32;
193
194    memmove(data, this->xDivs, numXDivs * sizeof(int32_t));
195    data +=  numXDivs * sizeof(int32_t);
196    memmove(data, this->yDivs, numYDivs * sizeof(int32_t));
197    data +=  numYDivs * sizeof(int32_t);
198    memmove(data, this->colors, numColors * sizeof(uint32_t));
199}
200
201static void deserializeInternal(const void* inData, Res_png_9patch* outData) {
202    char* patch = (char*) inData;
203    if (inData != outData) {
204        memmove(&outData->wasDeserialized, patch, 4);     // copy  wasDeserialized, numXDivs, numYDivs, numColors
205        memmove(&outData->paddingLeft, patch + 12, 4);     // copy  wasDeserialized, numXDivs, numYDivs, numColors
206    }
207    outData->wasDeserialized = true;
208    char* data = (char*)outData;
209    data +=  sizeof(Res_png_9patch);
210    outData->xDivs = (int32_t*) data;
211    data +=  outData->numXDivs * sizeof(int32_t);
212    outData->yDivs = (int32_t*) data;
213    data +=  outData->numYDivs * sizeof(int32_t);
214    outData->colors = (uint32_t*) data;
215}
216
217Res_png_9patch* Res_png_9patch::deserialize(const void* inData)
218{
219    if (sizeof(void*) != sizeof(int32_t)) {
220        LOGE("Cannot deserialize on non 32-bit system\n");
221        return NULL;
222    }
223    deserializeInternal(inData, (Res_png_9patch*) inData);
224    return (Res_png_9patch*) inData;
225}
226
227// --------------------------------------------------------------------
228// --------------------------------------------------------------------
229// --------------------------------------------------------------------
230
231ResStringPool::ResStringPool()
232    : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL)
233{
234}
235
236ResStringPool::ResStringPool(const void* data, size_t size, bool copyData)
237    : mError(NO_INIT), mOwnedData(NULL), mHeader(NULL), mCache(NULL)
238{
239    setTo(data, size, copyData);
240}
241
242ResStringPool::~ResStringPool()
243{
244    uninit();
245}
246
247status_t ResStringPool::setTo(const void* data, size_t size, bool copyData)
248{
249    if (!data || !size) {
250        return (mError=BAD_TYPE);
251    }
252
253    uninit();
254
255    const bool notDeviceEndian = htods(0xf0) != 0xf0;
256
257    if (copyData || notDeviceEndian) {
258        mOwnedData = malloc(size);
259        if (mOwnedData == NULL) {
260            return (mError=NO_MEMORY);
261        }
262        memcpy(mOwnedData, data, size);
263        data = mOwnedData;
264    }
265
266    mHeader = (const ResStringPool_header*)data;
267
268    if (notDeviceEndian) {
269        ResStringPool_header* h = const_cast<ResStringPool_header*>(mHeader);
270        h->header.headerSize = dtohs(mHeader->header.headerSize);
271        h->header.type = dtohs(mHeader->header.type);
272        h->header.size = dtohl(mHeader->header.size);
273        h->stringCount = dtohl(mHeader->stringCount);
274        h->styleCount = dtohl(mHeader->styleCount);
275        h->flags = dtohl(mHeader->flags);
276        h->stringsStart = dtohl(mHeader->stringsStart);
277        h->stylesStart = dtohl(mHeader->stylesStart);
278    }
279
280    if (mHeader->header.headerSize > mHeader->header.size
281            || mHeader->header.size > size) {
282        LOGW("Bad string block: header size %d or total size %d is larger than data size %d\n",
283                (int)mHeader->header.headerSize, (int)mHeader->header.size, (int)size);
284        return (mError=BAD_TYPE);
285    }
286    mSize = mHeader->header.size;
287    mEntries = (const uint32_t*)
288        (((const uint8_t*)data)+mHeader->header.headerSize);
289
290    if (mHeader->stringCount > 0) {
291        if ((mHeader->stringCount*sizeof(uint32_t) < mHeader->stringCount)  // uint32 overflow?
292            || (mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t)))
293                > size) {
294            LOGW("Bad string block: entry of %d items extends past data size %d\n",
295                    (int)(mHeader->header.headerSize+(mHeader->stringCount*sizeof(uint32_t))),
296                    (int)size);
297            return (mError=BAD_TYPE);
298        }
299
300        size_t charSize;
301        if (mHeader->flags&ResStringPool_header::UTF8_FLAG) {
302            charSize = sizeof(uint8_t);
303            mCache = (char16_t**)malloc(sizeof(char16_t**)*mHeader->stringCount);
304            memset(mCache, 0, sizeof(char16_t**)*mHeader->stringCount);
305        } else {
306            charSize = sizeof(char16_t);
307        }
308
309        mStrings = (const void*)
310            (((const uint8_t*)data)+mHeader->stringsStart);
311        if (mHeader->stringsStart >= (mHeader->header.size-sizeof(uint16_t))) {
312            LOGW("Bad string block: string pool starts at %d, after total size %d\n",
313                    (int)mHeader->stringsStart, (int)mHeader->header.size);
314            return (mError=BAD_TYPE);
315        }
316        if (mHeader->styleCount == 0) {
317            mStringPoolSize =
318                (mHeader->header.size-mHeader->stringsStart)/charSize;
319        } else {
320            // check invariant: styles follow the strings
321            if (mHeader->stylesStart <= mHeader->stringsStart) {
322                LOGW("Bad style block: style block starts at %d, before strings at %d\n",
323                    (int)mHeader->stylesStart, (int)mHeader->stringsStart);
324                return (mError=BAD_TYPE);
325            }
326            mStringPoolSize =
327                (mHeader->stylesStart-mHeader->stringsStart)/charSize;
328        }
329
330        // check invariant: stringCount > 0 requires a string pool to exist
331        if (mStringPoolSize == 0) {
332            LOGW("Bad string block: stringCount is %d but pool size is 0\n", (int)mHeader->stringCount);
333            return (mError=BAD_TYPE);
334        }
335
336        if (notDeviceEndian) {
337            size_t i;
338            uint32_t* e = const_cast<uint32_t*>(mEntries);
339            for (i=0; i<mHeader->stringCount; i++) {
340                e[i] = dtohl(mEntries[i]);
341            }
342            if (!(mHeader->flags&ResStringPool_header::UTF8_FLAG)) {
343                const char16_t* strings = (const char16_t*)mStrings;
344                char16_t* s = const_cast<char16_t*>(strings);
345                for (i=0; i<mStringPoolSize; i++) {
346                    s[i] = dtohs(strings[i]);
347                }
348            }
349        }
350
351        if ((mHeader->flags&ResStringPool_header::UTF8_FLAG &&
352                ((uint8_t*)mStrings)[mStringPoolSize-1] != 0) ||
353                (!mHeader->flags&ResStringPool_header::UTF8_FLAG &&
354                ((char16_t*)mStrings)[mStringPoolSize-1] != 0)) {
355            LOGW("Bad string block: last string is not 0-terminated\n");
356            return (mError=BAD_TYPE);
357        }
358    } else {
359        mStrings = NULL;
360        mStringPoolSize = 0;
361    }
362
363    if (mHeader->styleCount > 0) {
364        mEntryStyles = mEntries + mHeader->stringCount;
365        // invariant: integer overflow in calculating mEntryStyles
366        if (mEntryStyles < mEntries) {
367            LOGW("Bad string block: integer overflow finding styles\n");
368            return (mError=BAD_TYPE);
369        }
370
371        if (((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader) > (int)size) {
372            LOGW("Bad string block: entry of %d styles extends past data size %d\n",
373                    (int)((const uint8_t*)mEntryStyles-(const uint8_t*)mHeader),
374                    (int)size);
375            return (mError=BAD_TYPE);
376        }
377        mStyles = (const uint32_t*)
378            (((const uint8_t*)data)+mHeader->stylesStart);
379        if (mHeader->stylesStart >= mHeader->header.size) {
380            LOGW("Bad string block: style pool starts %d, after total size %d\n",
381                    (int)mHeader->stylesStart, (int)mHeader->header.size);
382            return (mError=BAD_TYPE);
383        }
384        mStylePoolSize =
385            (mHeader->header.size-mHeader->stylesStart)/sizeof(uint32_t);
386
387        if (notDeviceEndian) {
388            size_t i;
389            uint32_t* e = const_cast<uint32_t*>(mEntryStyles);
390            for (i=0; i<mHeader->styleCount; i++) {
391                e[i] = dtohl(mEntryStyles[i]);
392            }
393            uint32_t* s = const_cast<uint32_t*>(mStyles);
394            for (i=0; i<mStylePoolSize; i++) {
395                s[i] = dtohl(mStyles[i]);
396            }
397        }
398
399        const ResStringPool_span endSpan = {
400            { htodl(ResStringPool_span::END) },
401            htodl(ResStringPool_span::END), htodl(ResStringPool_span::END)
402        };
403        if (memcmp(&mStyles[mStylePoolSize-(sizeof(endSpan)/sizeof(uint32_t))],
404                   &endSpan, sizeof(endSpan)) != 0) {
405            LOGW("Bad string block: last style is not 0xFFFFFFFF-terminated\n");
406            return (mError=BAD_TYPE);
407        }
408    } else {
409        mEntryStyles = NULL;
410        mStyles = NULL;
411        mStylePoolSize = 0;
412    }
413
414    return (mError=NO_ERROR);
415}
416
417status_t ResStringPool::getError() const
418{
419    return mError;
420}
421
422void ResStringPool::uninit()
423{
424    mError = NO_INIT;
425    if (mOwnedData) {
426        free(mOwnedData);
427        mOwnedData = NULL;
428    }
429    if (mHeader != NULL && mCache != NULL) {
430        for (size_t x = 0; x < mHeader->stringCount; x++) {
431            if (mCache[x] != NULL) {
432                free(mCache[x]);
433                mCache[x] = NULL;
434            }
435        }
436        free(mCache);
437        mCache = NULL;
438    }
439}
440
441#define DECODE_LENGTH(str, chrsz, len) \
442    len = *(str); \
443    if (*(str)&(1<<(chrsz*8-1))) { \
444        (str)++; \
445        len = (((len)&((1<<(chrsz*8-1))-1))<<(chrsz*8)) + *(str); \
446    } \
447    (str)++;
448
449const uint16_t* ResStringPool::stringAt(size_t idx, size_t* outLen) const
450{
451    if (mError == NO_ERROR && idx < mHeader->stringCount) {
452        const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0;
453        const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t));
454        if (off < (mStringPoolSize-1)) {
455            if (!isUTF8) {
456                const char16_t* strings = (char16_t*)mStrings;
457                const char16_t* str = strings+off;
458                DECODE_LENGTH(str, sizeof(char16_t), *outLen)
459                if ((uint32_t)(str+*outLen-strings) < mStringPoolSize) {
460                    return str;
461                } else {
462                    LOGW("Bad string block: string #%d extends to %d, past end at %d\n",
463                            (int)idx, (int)(str+*outLen-strings), (int)mStringPoolSize);
464                }
465            } else {
466                const uint8_t* strings = (uint8_t*)mStrings;
467                const uint8_t* str = strings+off;
468                DECODE_LENGTH(str, sizeof(uint8_t), *outLen)
469                size_t encLen;
470                DECODE_LENGTH(str, sizeof(uint8_t), encLen)
471                if ((uint32_t)(str+encLen-strings) < mStringPoolSize) {
472                    AutoMutex lock(mDecodeLock);
473                    if (mCache[idx] != NULL) {
474                        return mCache[idx];
475                    }
476                    char16_t *u16str = (char16_t *)calloc(*outLen+1, sizeof(char16_t));
477                    if (!u16str) {
478                        LOGW("No memory when trying to allocate decode cache for string #%d\n",
479                                (int)idx);
480                        return NULL;
481                    }
482                    const unsigned char *u8src = reinterpret_cast<const unsigned char *>(str);
483                    utf8_to_utf16(u8src, encLen, u16str, *outLen);
484                    mCache[idx] = u16str;
485                    return u16str;
486                } else {
487                    LOGW("Bad string block: string #%d extends to %d, past end at %d\n",
488                            (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize);
489                }
490            }
491        } else {
492            LOGW("Bad string block: string #%d entry is at %d, past end at %d\n",
493                    (int)idx, (int)(off*sizeof(uint16_t)),
494                    (int)(mStringPoolSize*sizeof(uint16_t)));
495        }
496    }
497    return NULL;
498}
499
500const char* ResStringPool::string8At(size_t idx, size_t* outLen) const
501{
502    if (mError == NO_ERROR && idx < mHeader->stringCount) {
503        const bool isUTF8 = (mHeader->flags&ResStringPool_header::UTF8_FLAG) != 0;
504        const uint32_t off = mEntries[idx]/(isUTF8?sizeof(char):sizeof(char16_t));
505        if (off < (mStringPoolSize-1)) {
506            if (isUTF8) {
507                const uint8_t* strings = (uint8_t*)mStrings;
508                const uint8_t* str = strings+off;
509                DECODE_LENGTH(str, sizeof(uint8_t), *outLen)
510                size_t encLen;
511                DECODE_LENGTH(str, sizeof(uint8_t), encLen)
512                if ((uint32_t)(str+encLen-strings) < mStringPoolSize) {
513                    return (const char*)str;
514                } else {
515                    LOGW("Bad string block: string #%d extends to %d, past end at %d\n",
516                            (int)idx, (int)(str+encLen-strings), (int)mStringPoolSize);
517                }
518            }
519        } else {
520            LOGW("Bad string block: string #%d entry is at %d, past end at %d\n",
521                    (int)idx, (int)(off*sizeof(uint16_t)),
522                    (int)(mStringPoolSize*sizeof(uint16_t)));
523        }
524    }
525    return NULL;
526}
527
528const ResStringPool_span* ResStringPool::styleAt(const ResStringPool_ref& ref) const
529{
530    return styleAt(ref.index);
531}
532
533const ResStringPool_span* ResStringPool::styleAt(size_t idx) const
534{
535    if (mError == NO_ERROR && idx < mHeader->styleCount) {
536        const uint32_t off = (mEntryStyles[idx]/sizeof(uint32_t));
537        if (off < mStylePoolSize) {
538            return (const ResStringPool_span*)(mStyles+off);
539        } else {
540            LOGW("Bad string block: style #%d entry is at %d, past end at %d\n",
541                    (int)idx, (int)(off*sizeof(uint32_t)),
542                    (int)(mStylePoolSize*sizeof(uint32_t)));
543        }
544    }
545    return NULL;
546}
547
548ssize_t ResStringPool::indexOfString(const char16_t* str, size_t strLen) const
549{
550    if (mError != NO_ERROR) {
551        return mError;
552    }
553
554    size_t len;
555
556    // TODO optimize searching for UTF-8 strings taking into account
557    // the cache fill to determine when to convert the searched-for
558    // string key to UTF-8.
559
560    if (mHeader->flags&ResStringPool_header::SORTED_FLAG) {
561        // Do a binary search for the string...
562        ssize_t l = 0;
563        ssize_t h = mHeader->stringCount-1;
564
565        ssize_t mid;
566        while (l <= h) {
567            mid = l + (h - l)/2;
568            const char16_t* s = stringAt(mid, &len);
569            int c = s ? strzcmp16(s, len, str, strLen) : -1;
570            POOL_NOISY(printf("Looking for %s, at %s, cmp=%d, l/mid/h=%d/%d/%d\n",
571                         String8(str).string(),
572                         String8(s).string(),
573                         c, (int)l, (int)mid, (int)h));
574            if (c == 0) {
575                return mid;
576            } else if (c < 0) {
577                l = mid + 1;
578            } else {
579                h = mid - 1;
580            }
581        }
582    } else {
583        // It is unusual to get the ID from an unsorted string block...
584        // most often this happens because we want to get IDs for style
585        // span tags; since those always appear at the end of the string
586        // block, start searching at the back.
587        for (int i=mHeader->stringCount-1; i>=0; i--) {
588            const char16_t* s = stringAt(i, &len);
589            POOL_NOISY(printf("Looking for %s, at %s, i=%d\n",
590                         String8(str, strLen).string(),
591                         String8(s).string(),
592                         i));
593            if (s && strzcmp16(s, len, str, strLen) == 0) {
594                return i;
595            }
596        }
597    }
598
599    return NAME_NOT_FOUND;
600}
601
602size_t ResStringPool::size() const
603{
604    return (mError == NO_ERROR) ? mHeader->stringCount : 0;
605}
606
607#ifndef HAVE_ANDROID_OS
608bool ResStringPool::isUTF8() const
609{
610    return (mHeader->flags&ResStringPool_header::UTF8_FLAG)!=0;
611}
612#endif
613
614// --------------------------------------------------------------------
615// --------------------------------------------------------------------
616// --------------------------------------------------------------------
617
618ResXMLParser::ResXMLParser(const ResXMLTree& tree)
619    : mTree(tree), mEventCode(BAD_DOCUMENT)
620{
621}
622
623void ResXMLParser::restart()
624{
625    mCurNode = NULL;
626    mEventCode = mTree.mError == NO_ERROR ? START_DOCUMENT : BAD_DOCUMENT;
627}
628const ResStringPool& ResXMLParser::getStrings() const
629{
630    return mTree.mStrings;
631}
632
633ResXMLParser::event_code_t ResXMLParser::getEventType() const
634{
635    return mEventCode;
636}
637
638ResXMLParser::event_code_t ResXMLParser::next()
639{
640    if (mEventCode == START_DOCUMENT) {
641        mCurNode = mTree.mRootNode;
642        mCurExt = mTree.mRootExt;
643        return (mEventCode=mTree.mRootCode);
644    } else if (mEventCode >= FIRST_CHUNK_CODE) {
645        return nextNode();
646    }
647    return mEventCode;
648}
649
650int32_t ResXMLParser::getCommentID() const
651{
652    return mCurNode != NULL ? dtohl(mCurNode->comment.index) : -1;
653}
654
655const uint16_t* ResXMLParser::getComment(size_t* outLen) const
656{
657    int32_t id = getCommentID();
658    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
659}
660
661uint32_t ResXMLParser::getLineNumber() const
662{
663    return mCurNode != NULL ? dtohl(mCurNode->lineNumber) : -1;
664}
665
666int32_t ResXMLParser::getTextID() const
667{
668    if (mEventCode == TEXT) {
669        return dtohl(((const ResXMLTree_cdataExt*)mCurExt)->data.index);
670    }
671    return -1;
672}
673
674const uint16_t* ResXMLParser::getText(size_t* outLen) const
675{
676    int32_t id = getTextID();
677    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
678}
679
680ssize_t ResXMLParser::getTextValue(Res_value* outValue) const
681{
682    if (mEventCode == TEXT) {
683        outValue->copyFrom_dtoh(((const ResXMLTree_cdataExt*)mCurExt)->typedData);
684        return sizeof(Res_value);
685    }
686    return BAD_TYPE;
687}
688
689int32_t ResXMLParser::getNamespacePrefixID() const
690{
691    if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) {
692        return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->prefix.index);
693    }
694    return -1;
695}
696
697const uint16_t* ResXMLParser::getNamespacePrefix(size_t* outLen) const
698{
699    int32_t id = getNamespacePrefixID();
700    //printf("prefix=%d  event=%p\n", id, mEventCode);
701    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
702}
703
704int32_t ResXMLParser::getNamespaceUriID() const
705{
706    if (mEventCode == START_NAMESPACE || mEventCode == END_NAMESPACE) {
707        return dtohl(((const ResXMLTree_namespaceExt*)mCurExt)->uri.index);
708    }
709    return -1;
710}
711
712const uint16_t* ResXMLParser::getNamespaceUri(size_t* outLen) const
713{
714    int32_t id = getNamespaceUriID();
715    //printf("uri=%d  event=%p\n", id, mEventCode);
716    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
717}
718
719int32_t ResXMLParser::getElementNamespaceID() const
720{
721    if (mEventCode == START_TAG) {
722        return dtohl(((const ResXMLTree_attrExt*)mCurExt)->ns.index);
723    }
724    if (mEventCode == END_TAG) {
725        return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->ns.index);
726    }
727    return -1;
728}
729
730const uint16_t* ResXMLParser::getElementNamespace(size_t* outLen) const
731{
732    int32_t id = getElementNamespaceID();
733    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
734}
735
736int32_t ResXMLParser::getElementNameID() const
737{
738    if (mEventCode == START_TAG) {
739        return dtohl(((const ResXMLTree_attrExt*)mCurExt)->name.index);
740    }
741    if (mEventCode == END_TAG) {
742        return dtohl(((const ResXMLTree_endElementExt*)mCurExt)->name.index);
743    }
744    return -1;
745}
746
747const uint16_t* ResXMLParser::getElementName(size_t* outLen) const
748{
749    int32_t id = getElementNameID();
750    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
751}
752
753size_t ResXMLParser::getAttributeCount() const
754{
755    if (mEventCode == START_TAG) {
756        return dtohs(((const ResXMLTree_attrExt*)mCurExt)->attributeCount);
757    }
758    return 0;
759}
760
761int32_t ResXMLParser::getAttributeNamespaceID(size_t idx) const
762{
763    if (mEventCode == START_TAG) {
764        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
765        if (idx < dtohs(tag->attributeCount)) {
766            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
767                (((const uint8_t*)tag)
768                 + dtohs(tag->attributeStart)
769                 + (dtohs(tag->attributeSize)*idx));
770            return dtohl(attr->ns.index);
771        }
772    }
773    return -2;
774}
775
776const uint16_t* ResXMLParser::getAttributeNamespace(size_t idx, size_t* outLen) const
777{
778    int32_t id = getAttributeNamespaceID(idx);
779    //printf("attribute namespace=%d  idx=%d  event=%p\n", id, idx, mEventCode);
780    //XML_NOISY(printf("getAttributeNamespace 0x%x=0x%x\n", idx, id));
781    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
782}
783
784int32_t ResXMLParser::getAttributeNameID(size_t idx) const
785{
786    if (mEventCode == START_TAG) {
787        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
788        if (idx < dtohs(tag->attributeCount)) {
789            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
790                (((const uint8_t*)tag)
791                 + dtohs(tag->attributeStart)
792                 + (dtohs(tag->attributeSize)*idx));
793            return dtohl(attr->name.index);
794        }
795    }
796    return -1;
797}
798
799const uint16_t* ResXMLParser::getAttributeName(size_t idx, size_t* outLen) const
800{
801    int32_t id = getAttributeNameID(idx);
802    //printf("attribute name=%d  idx=%d  event=%p\n", id, idx, mEventCode);
803    //XML_NOISY(printf("getAttributeName 0x%x=0x%x\n", idx, id));
804    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
805}
806
807uint32_t ResXMLParser::getAttributeNameResID(size_t idx) const
808{
809    int32_t id = getAttributeNameID(idx);
810    if (id >= 0 && (size_t)id < mTree.mNumResIds) {
811        return dtohl(mTree.mResIds[id]);
812    }
813    return 0;
814}
815
816int32_t ResXMLParser::getAttributeValueStringID(size_t idx) const
817{
818    if (mEventCode == START_TAG) {
819        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
820        if (idx < dtohs(tag->attributeCount)) {
821            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
822                (((const uint8_t*)tag)
823                 + dtohs(tag->attributeStart)
824                 + (dtohs(tag->attributeSize)*idx));
825            return dtohl(attr->rawValue.index);
826        }
827    }
828    return -1;
829}
830
831const uint16_t* ResXMLParser::getAttributeStringValue(size_t idx, size_t* outLen) const
832{
833    int32_t id = getAttributeValueStringID(idx);
834    //XML_NOISY(printf("getAttributeValue 0x%x=0x%x\n", idx, id));
835    return id >= 0 ? mTree.mStrings.stringAt(id, outLen) : NULL;
836}
837
838int32_t ResXMLParser::getAttributeDataType(size_t idx) const
839{
840    if (mEventCode == START_TAG) {
841        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
842        if (idx < dtohs(tag->attributeCount)) {
843            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
844                (((const uint8_t*)tag)
845                 + dtohs(tag->attributeStart)
846                 + (dtohs(tag->attributeSize)*idx));
847            return attr->typedValue.dataType;
848        }
849    }
850    return Res_value::TYPE_NULL;
851}
852
853int32_t ResXMLParser::getAttributeData(size_t idx) const
854{
855    if (mEventCode == START_TAG) {
856        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
857        if (idx < dtohs(tag->attributeCount)) {
858            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
859                (((const uint8_t*)tag)
860                 + dtohs(tag->attributeStart)
861                 + (dtohs(tag->attributeSize)*idx));
862            return dtohl(attr->typedValue.data);
863        }
864    }
865    return 0;
866}
867
868ssize_t ResXMLParser::getAttributeValue(size_t idx, Res_value* outValue) const
869{
870    if (mEventCode == START_TAG) {
871        const ResXMLTree_attrExt* tag = (const ResXMLTree_attrExt*)mCurExt;
872        if (idx < dtohs(tag->attributeCount)) {
873            const ResXMLTree_attribute* attr = (const ResXMLTree_attribute*)
874                (((const uint8_t*)tag)
875                 + dtohs(tag->attributeStart)
876                 + (dtohs(tag->attributeSize)*idx));
877            outValue->copyFrom_dtoh(attr->typedValue);
878            return sizeof(Res_value);
879        }
880    }
881    return BAD_TYPE;
882}
883
884ssize_t ResXMLParser::indexOfAttribute(const char* ns, const char* attr) const
885{
886    String16 nsStr(ns != NULL ? ns : "");
887    String16 attrStr(attr);
888    return indexOfAttribute(ns ? nsStr.string() : NULL, ns ? nsStr.size() : 0,
889                            attrStr.string(), attrStr.size());
890}
891
892ssize_t ResXMLParser::indexOfAttribute(const char16_t* ns, size_t nsLen,
893                                       const char16_t* attr, size_t attrLen) const
894{
895    if (mEventCode == START_TAG) {
896        const size_t N = getAttributeCount();
897        for (size_t i=0; i<N; i++) {
898            size_t curNsLen, curAttrLen;
899            const char16_t* curNs = getAttributeNamespace(i, &curNsLen);
900            const char16_t* curAttr = getAttributeName(i, &curAttrLen);
901            //printf("%d: ns=%p attr=%p curNs=%p curAttr=%p\n",
902            //       i, ns, attr, curNs, curAttr);
903            //printf(" --> attr=%s, curAttr=%s\n",
904            //       String8(attr).string(), String8(curAttr).string());
905            if (attr && curAttr && (strzcmp16(attr, attrLen, curAttr, curAttrLen) == 0)) {
906                if (ns == NULL) {
907                    if (curNs == NULL) return i;
908                } else if (curNs != NULL) {
909                    //printf(" --> ns=%s, curNs=%s\n",
910                    //       String8(ns).string(), String8(curNs).string());
911                    if (strzcmp16(ns, nsLen, curNs, curNsLen) == 0) return i;
912                }
913            }
914        }
915    }
916
917    return NAME_NOT_FOUND;
918}
919
920ssize_t ResXMLParser::indexOfID() const
921{
922    if (mEventCode == START_TAG) {
923        const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->idIndex);
924        if (idx > 0) return (idx-1);
925    }
926    return NAME_NOT_FOUND;
927}
928
929ssize_t ResXMLParser::indexOfClass() const
930{
931    if (mEventCode == START_TAG) {
932        const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->classIndex);
933        if (idx > 0) return (idx-1);
934    }
935    return NAME_NOT_FOUND;
936}
937
938ssize_t ResXMLParser::indexOfStyle() const
939{
940    if (mEventCode == START_TAG) {
941        const ssize_t idx = dtohs(((const ResXMLTree_attrExt*)mCurExt)->styleIndex);
942        if (idx > 0) return (idx-1);
943    }
944    return NAME_NOT_FOUND;
945}
946
947ResXMLParser::event_code_t ResXMLParser::nextNode()
948{
949    if (mEventCode < 0) {
950        return mEventCode;
951    }
952
953    do {
954        const ResXMLTree_node* next = (const ResXMLTree_node*)
955            (((const uint8_t*)mCurNode) + dtohl(mCurNode->header.size));
956        //LOGW("Next node: prev=%p, next=%p\n", mCurNode, next);
957
958        if (((const uint8_t*)next) >= mTree.mDataEnd) {
959            mCurNode = NULL;
960            return (mEventCode=END_DOCUMENT);
961        }
962
963        if (mTree.validateNode(next) != NO_ERROR) {
964            mCurNode = NULL;
965            return (mEventCode=BAD_DOCUMENT);
966        }
967
968        mCurNode = next;
969        const uint16_t headerSize = dtohs(next->header.headerSize);
970        const uint32_t totalSize = dtohl(next->header.size);
971        mCurExt = ((const uint8_t*)next) + headerSize;
972        size_t minExtSize = 0;
973        event_code_t eventCode = (event_code_t)dtohs(next->header.type);
974        switch ((mEventCode=eventCode)) {
975            case RES_XML_START_NAMESPACE_TYPE:
976            case RES_XML_END_NAMESPACE_TYPE:
977                minExtSize = sizeof(ResXMLTree_namespaceExt);
978                break;
979            case RES_XML_START_ELEMENT_TYPE:
980                minExtSize = sizeof(ResXMLTree_attrExt);
981                break;
982            case RES_XML_END_ELEMENT_TYPE:
983                minExtSize = sizeof(ResXMLTree_endElementExt);
984                break;
985            case RES_XML_CDATA_TYPE:
986                minExtSize = sizeof(ResXMLTree_cdataExt);
987                break;
988            default:
989                LOGW("Unknown XML block: header type %d in node at %d\n",
990                     (int)dtohs(next->header.type),
991                     (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)));
992                continue;
993        }
994
995        if ((totalSize-headerSize) < minExtSize) {
996            LOGW("Bad XML block: header type 0x%x in node at 0x%x has size %d, need %d\n",
997                 (int)dtohs(next->header.type),
998                 (int)(((const uint8_t*)next)-((const uint8_t*)mTree.mHeader)),
999                 (int)(totalSize-headerSize), (int)minExtSize);
1000            return (mEventCode=BAD_DOCUMENT);
1001        }
1002
1003        //printf("CurNode=%p, CurExt=%p, headerSize=%d, minExtSize=%d\n",
1004        //       mCurNode, mCurExt, headerSize, minExtSize);
1005
1006        return eventCode;
1007    } while (true);
1008}
1009
1010void ResXMLParser::getPosition(ResXMLParser::ResXMLPosition* pos) const
1011{
1012    pos->eventCode = mEventCode;
1013    pos->curNode = mCurNode;
1014    pos->curExt = mCurExt;
1015}
1016
1017void ResXMLParser::setPosition(const ResXMLParser::ResXMLPosition& pos)
1018{
1019    mEventCode = pos.eventCode;
1020    mCurNode = pos.curNode;
1021    mCurExt = pos.curExt;
1022}
1023
1024
1025// --------------------------------------------------------------------
1026
1027static volatile int32_t gCount = 0;
1028
1029ResXMLTree::ResXMLTree()
1030    : ResXMLParser(*this)
1031    , mError(NO_INIT), mOwnedData(NULL)
1032{
1033    //LOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1);
1034    restart();
1035}
1036
1037ResXMLTree::ResXMLTree(const void* data, size_t size, bool copyData)
1038    : ResXMLParser(*this)
1039    , mError(NO_INIT), mOwnedData(NULL)
1040{
1041    //LOGI("Creating ResXMLTree %p #%d\n", this, android_atomic_inc(&gCount)+1);
1042    setTo(data, size, copyData);
1043}
1044
1045ResXMLTree::~ResXMLTree()
1046{
1047    //LOGI("Destroying ResXMLTree in %p #%d\n", this, android_atomic_dec(&gCount)-1);
1048    uninit();
1049}
1050
1051status_t ResXMLTree::setTo(const void* data, size_t size, bool copyData)
1052{
1053    uninit();
1054    mEventCode = START_DOCUMENT;
1055
1056    if (copyData) {
1057        mOwnedData = malloc(size);
1058        if (mOwnedData == NULL) {
1059            return (mError=NO_MEMORY);
1060        }
1061        memcpy(mOwnedData, data, size);
1062        data = mOwnedData;
1063    }
1064
1065    mHeader = (const ResXMLTree_header*)data;
1066    mSize = dtohl(mHeader->header.size);
1067    if (dtohs(mHeader->header.headerSize) > mSize || mSize > size) {
1068        LOGW("Bad XML block: header size %d or total size %d is larger than data size %d\n",
1069             (int)dtohs(mHeader->header.headerSize),
1070             (int)dtohl(mHeader->header.size), (int)size);
1071        mError = BAD_TYPE;
1072        restart();
1073        return mError;
1074    }
1075    mDataEnd = ((const uint8_t*)mHeader) + mSize;
1076
1077    mStrings.uninit();
1078    mRootNode = NULL;
1079    mResIds = NULL;
1080    mNumResIds = 0;
1081
1082    // First look for a couple interesting chunks: the string block
1083    // and first XML node.
1084    const ResChunk_header* chunk =
1085        (const ResChunk_header*)(((const uint8_t*)mHeader) + dtohs(mHeader->header.headerSize));
1086    const ResChunk_header* lastChunk = chunk;
1087    while (((const uint8_t*)chunk) < (mDataEnd-sizeof(ResChunk_header)) &&
1088           ((const uint8_t*)chunk) < (mDataEnd-dtohl(chunk->size))) {
1089        status_t err = validate_chunk(chunk, sizeof(ResChunk_header), mDataEnd, "XML");
1090        if (err != NO_ERROR) {
1091            mError = err;
1092            goto done;
1093        }
1094        const uint16_t type = dtohs(chunk->type);
1095        const size_t size = dtohl(chunk->size);
1096        XML_NOISY(printf("Scanning @ %p: type=0x%x, size=0x%x\n",
1097                     (void*)(((uint32_t)chunk)-((uint32_t)mHeader)), type, size));
1098        if (type == RES_STRING_POOL_TYPE) {
1099            mStrings.setTo(chunk, size);
1100        } else if (type == RES_XML_RESOURCE_MAP_TYPE) {
1101            mResIds = (const uint32_t*)
1102                (((const uint8_t*)chunk)+dtohs(chunk->headerSize));
1103            mNumResIds = (dtohl(chunk->size)-dtohs(chunk->headerSize))/sizeof(uint32_t);
1104        } else if (type >= RES_XML_FIRST_CHUNK_TYPE
1105                   && type <= RES_XML_LAST_CHUNK_TYPE) {
1106            if (validateNode((const ResXMLTree_node*)chunk) != NO_ERROR) {
1107                mError = BAD_TYPE;
1108                goto done;
1109            }
1110            mCurNode = (const ResXMLTree_node*)lastChunk;
1111            if (nextNode() == BAD_DOCUMENT) {
1112                mError = BAD_TYPE;
1113                goto done;
1114            }
1115            mRootNode = mCurNode;
1116            mRootExt = mCurExt;
1117            mRootCode = mEventCode;
1118            break;
1119        } else {
1120            XML_NOISY(printf("Skipping unknown chunk!\n"));
1121        }
1122        lastChunk = chunk;
1123        chunk = (const ResChunk_header*)
1124            (((const uint8_t*)chunk) + size);
1125    }
1126
1127    if (mRootNode == NULL) {
1128        LOGW("Bad XML block: no root element node found\n");
1129        mError = BAD_TYPE;
1130        goto done;
1131    }
1132
1133    mError = mStrings.getError();
1134
1135done:
1136    restart();
1137    return mError;
1138}
1139
1140status_t ResXMLTree::getError() const
1141{
1142    return mError;
1143}
1144
1145void ResXMLTree::uninit()
1146{
1147    mError = NO_INIT;
1148    mStrings.uninit();
1149    if (mOwnedData) {
1150        free(mOwnedData);
1151        mOwnedData = NULL;
1152    }
1153    restart();
1154}
1155
1156status_t ResXMLTree::validateNode(const ResXMLTree_node* node) const
1157{
1158    const uint16_t eventCode = dtohs(node->header.type);
1159
1160    status_t err = validate_chunk(
1161        &node->header, sizeof(ResXMLTree_node),
1162        mDataEnd, "ResXMLTree_node");
1163
1164    if (err >= NO_ERROR) {
1165        // Only perform additional validation on START nodes
1166        if (eventCode != RES_XML_START_ELEMENT_TYPE) {
1167            return NO_ERROR;
1168        }
1169
1170        const uint16_t headerSize = dtohs(node->header.headerSize);
1171        const uint32_t size = dtohl(node->header.size);
1172        const ResXMLTree_attrExt* attrExt = (const ResXMLTree_attrExt*)
1173            (((const uint8_t*)node) + headerSize);
1174        // check for sensical values pulled out of the stream so far...
1175        if ((size >= headerSize + sizeof(ResXMLTree_attrExt))
1176                && ((void*)attrExt > (void*)node)) {
1177            const size_t attrSize = ((size_t)dtohs(attrExt->attributeSize))
1178                * dtohs(attrExt->attributeCount);
1179            if ((dtohs(attrExt->attributeStart)+attrSize) <= (size-headerSize)) {
1180                return NO_ERROR;
1181            }
1182            LOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n",
1183                    (unsigned int)(dtohs(attrExt->attributeStart)+attrSize),
1184                    (unsigned int)(size-headerSize));
1185        }
1186        else {
1187            LOGW("Bad XML start block: node header size 0x%x, size 0x%x\n",
1188                (unsigned int)headerSize, (unsigned int)size);
1189        }
1190        return BAD_TYPE;
1191    }
1192
1193    return err;
1194
1195#if 0
1196    const bool isStart = dtohs(node->header.type) == RES_XML_START_ELEMENT_TYPE;
1197
1198    const uint16_t headerSize = dtohs(node->header.headerSize);
1199    const uint32_t size = dtohl(node->header.size);
1200
1201    if (headerSize >= (isStart ? sizeof(ResXMLTree_attrNode) : sizeof(ResXMLTree_node))) {
1202        if (size >= headerSize) {
1203            if (((const uint8_t*)node) <= (mDataEnd-size)) {
1204                if (!isStart) {
1205                    return NO_ERROR;
1206                }
1207                if ((((size_t)dtohs(node->attributeSize))*dtohs(node->attributeCount))
1208                        <= (size-headerSize)) {
1209                    return NO_ERROR;
1210                }
1211                LOGW("Bad XML block: node attributes use 0x%x bytes, only have 0x%x bytes\n",
1212                        ((int)dtohs(node->attributeSize))*dtohs(node->attributeCount),
1213                        (int)(size-headerSize));
1214                return BAD_TYPE;
1215            }
1216            LOGW("Bad XML block: node at 0x%x extends beyond data end 0x%x\n",
1217                    (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)), (int)mSize);
1218            return BAD_TYPE;
1219        }
1220        LOGW("Bad XML block: node at 0x%x header size 0x%x smaller than total size 0x%x\n",
1221                (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)),
1222                (int)headerSize, (int)size);
1223        return BAD_TYPE;
1224    }
1225    LOGW("Bad XML block: node at 0x%x header size 0x%x too small\n",
1226            (int)(((const uint8_t*)node)-((const uint8_t*)mHeader)),
1227            (int)headerSize);
1228    return BAD_TYPE;
1229#endif
1230}
1231
1232// --------------------------------------------------------------------
1233// --------------------------------------------------------------------
1234// --------------------------------------------------------------------
1235
1236struct ResTable::Header
1237{
1238    Header(ResTable* _owner) : owner(_owner), ownedData(NULL), header(NULL) { }
1239
1240    ResTable* const                 owner;
1241    void*                           ownedData;
1242    const ResTable_header*          header;
1243    size_t                          size;
1244    const uint8_t*                  dataEnd;
1245    size_t                          index;
1246    void*                           cookie;
1247
1248    ResStringPool                   values;
1249};
1250
1251struct ResTable::Type
1252{
1253    Type(const Header* _header, const Package* _package, size_t count)
1254        : header(_header), package(_package), entryCount(count),
1255          typeSpec(NULL), typeSpecFlags(NULL) { }
1256    const Header* const             header;
1257    const Package* const            package;
1258    const size_t                    entryCount;
1259    const ResTable_typeSpec*        typeSpec;
1260    const uint32_t*                 typeSpecFlags;
1261    Vector<const ResTable_type*>    configs;
1262};
1263
1264struct ResTable::Package
1265{
1266    Package(ResTable* _owner, const Header* _header, const ResTable_package* _package)
1267        : owner(_owner), header(_header), package(_package) { }
1268    ~Package()
1269    {
1270        size_t i = types.size();
1271        while (i > 0) {
1272            i--;
1273            delete types[i];
1274        }
1275    }
1276
1277    ResTable* const                 owner;
1278    const Header* const             header;
1279    const ResTable_package* const   package;
1280    Vector<Type*>                   types;
1281
1282    ResStringPool                   typeStrings;
1283    ResStringPool                   keyStrings;
1284
1285    const Type* getType(size_t idx) const {
1286        return idx < types.size() ? types[idx] : NULL;
1287    }
1288};
1289
1290// A group of objects describing a particular resource package.
1291// The first in 'package' is always the root object (from the resource
1292// table that defined the package); the ones after are skins on top of it.
1293struct ResTable::PackageGroup
1294{
1295    PackageGroup(ResTable* _owner, const String16& _name, uint32_t _id)
1296        : owner(_owner), name(_name), id(_id), typeCount(0), bags(NULL) { }
1297    ~PackageGroup() {
1298        clearBagCache();
1299        const size_t N = packages.size();
1300        for (size_t i=0; i<N; i++) {
1301            Package* pkg = packages[i];
1302            if (pkg->owner == owner) {
1303                delete pkg;
1304            }
1305        }
1306    }
1307
1308    void clearBagCache() {
1309        if (bags) {
1310            TABLE_NOISY(printf("bags=%p\n", bags));
1311            Package* pkg = packages[0];
1312            TABLE_NOISY(printf("typeCount=%x\n", typeCount));
1313            for (size_t i=0; i<typeCount; i++) {
1314                TABLE_NOISY(printf("type=%d\n", i));
1315                const Type* type = pkg->getType(i);
1316                if (type != NULL) {
1317                    bag_set** typeBags = bags[i];
1318                    TABLE_NOISY(printf("typeBags=%p\n", typeBags));
1319                    if (typeBags) {
1320                        TABLE_NOISY(printf("type->entryCount=%x\n", type->entryCount));
1321                        const size_t N = type->entryCount;
1322                        for (size_t j=0; j<N; j++) {
1323                            if (typeBags[j] && typeBags[j] != (bag_set*)0xFFFFFFFF)
1324                                free(typeBags[j]);
1325                        }
1326                        free(typeBags);
1327                    }
1328                }
1329            }
1330            free(bags);
1331            bags = NULL;
1332        }
1333    }
1334
1335    ResTable* const                 owner;
1336    String16 const                  name;
1337    uint32_t const                  id;
1338    Vector<Package*>                packages;
1339
1340    // This is for finding typeStrings and other common package stuff.
1341    Package*                        basePackage;
1342
1343    // For quick access.
1344    size_t                          typeCount;
1345
1346    // Computed attribute bags, first indexed by the type and second
1347    // by the entry in that type.
1348    bag_set***                      bags;
1349};
1350
1351struct ResTable::bag_set
1352{
1353    size_t numAttrs;    // number in array
1354    size_t availAttrs;  // total space in array
1355    uint32_t typeSpecFlags;
1356    // Followed by 'numAttr' bag_entry structures.
1357};
1358
1359ResTable::Theme::Theme(const ResTable& table)
1360    : mTable(table)
1361{
1362    memset(mPackages, 0, sizeof(mPackages));
1363}
1364
1365ResTable::Theme::~Theme()
1366{
1367    for (size_t i=0; i<Res_MAXPACKAGE; i++) {
1368        package_info* pi = mPackages[i];
1369        if (pi != NULL) {
1370            free_package(pi);
1371        }
1372    }
1373}
1374
1375void ResTable::Theme::free_package(package_info* pi)
1376{
1377    for (size_t j=0; j<pi->numTypes; j++) {
1378        theme_entry* te = pi->types[j].entries;
1379        if (te != NULL) {
1380            free(te);
1381        }
1382    }
1383    free(pi);
1384}
1385
1386ResTable::Theme::package_info* ResTable::Theme::copy_package(package_info* pi)
1387{
1388    package_info* newpi = (package_info*)malloc(
1389        sizeof(package_info) + (pi->numTypes*sizeof(type_info)));
1390    newpi->numTypes = pi->numTypes;
1391    for (size_t j=0; j<newpi->numTypes; j++) {
1392        size_t cnt = pi->types[j].numEntries;
1393        newpi->types[j].numEntries = cnt;
1394        theme_entry* te = pi->types[j].entries;
1395        if (te != NULL) {
1396            theme_entry* newte = (theme_entry*)malloc(cnt*sizeof(theme_entry));
1397            newpi->types[j].entries = newte;
1398            memcpy(newte, te, cnt*sizeof(theme_entry));
1399        } else {
1400            newpi->types[j].entries = NULL;
1401        }
1402    }
1403    return newpi;
1404}
1405
1406status_t ResTable::Theme::applyStyle(uint32_t resID, bool force)
1407{
1408    const bag_entry* bag;
1409    uint32_t bagTypeSpecFlags = 0;
1410    mTable.lock();
1411    const ssize_t N = mTable.getBagLocked(resID, &bag, &bagTypeSpecFlags);
1412    TABLE_NOISY(LOGV("Applying style 0x%08x to theme %p, count=%d", resID, this, N));
1413    if (N < 0) {
1414        mTable.unlock();
1415        return N;
1416    }
1417
1418    uint32_t curPackage = 0xffffffff;
1419    ssize_t curPackageIndex = 0;
1420    package_info* curPI = NULL;
1421    uint32_t curType = 0xffffffff;
1422    size_t numEntries = 0;
1423    theme_entry* curEntries = NULL;
1424
1425    const bag_entry* end = bag + N;
1426    while (bag < end) {
1427        const uint32_t attrRes = bag->map.name.ident;
1428        const uint32_t p = Res_GETPACKAGE(attrRes);
1429        const uint32_t t = Res_GETTYPE(attrRes);
1430        const uint32_t e = Res_GETENTRY(attrRes);
1431
1432        if (curPackage != p) {
1433            const ssize_t pidx = mTable.getResourcePackageIndex(attrRes);
1434            if (pidx < 0) {
1435                LOGE("Style contains key with bad package: 0x%08x\n", attrRes);
1436                bag++;
1437                continue;
1438            }
1439            curPackage = p;
1440            curPackageIndex = pidx;
1441            curPI = mPackages[pidx];
1442            if (curPI == NULL) {
1443                PackageGroup* const grp = mTable.mPackageGroups[pidx];
1444                int cnt = grp->typeCount;
1445                curPI = (package_info*)malloc(
1446                    sizeof(package_info) + (cnt*sizeof(type_info)));
1447                curPI->numTypes = cnt;
1448                memset(curPI->types, 0, cnt*sizeof(type_info));
1449                mPackages[pidx] = curPI;
1450            }
1451            curType = 0xffffffff;
1452        }
1453        if (curType != t) {
1454            if (t >= curPI->numTypes) {
1455                LOGE("Style contains key with bad type: 0x%08x\n", attrRes);
1456                bag++;
1457                continue;
1458            }
1459            curType = t;
1460            curEntries = curPI->types[t].entries;
1461            if (curEntries == NULL) {
1462                PackageGroup* const grp = mTable.mPackageGroups[curPackageIndex];
1463                const Type* type = grp->packages[0]->getType(t);
1464                int cnt = type != NULL ? type->entryCount : 0;
1465                curEntries = (theme_entry*)malloc(cnt*sizeof(theme_entry));
1466                memset(curEntries, Res_value::TYPE_NULL, cnt*sizeof(theme_entry));
1467                curPI->types[t].numEntries = cnt;
1468                curPI->types[t].entries = curEntries;
1469            }
1470            numEntries = curPI->types[t].numEntries;
1471        }
1472        if (e >= numEntries) {
1473            LOGE("Style contains key with bad entry: 0x%08x\n", attrRes);
1474            bag++;
1475            continue;
1476        }
1477        theme_entry* curEntry = curEntries + e;
1478        TABLE_NOISY(LOGV("Attr 0x%08x: type=0x%x, data=0x%08x; curType=0x%x",
1479                   attrRes, bag->map.value.dataType, bag->map.value.data,
1480             curEntry->value.dataType));
1481        if (force || curEntry->value.dataType == Res_value::TYPE_NULL) {
1482            curEntry->stringBlock = bag->stringBlock;
1483            curEntry->typeSpecFlags |= bagTypeSpecFlags;
1484            curEntry->value = bag->map.value;
1485        }
1486
1487        bag++;
1488    }
1489
1490    mTable.unlock();
1491
1492    //LOGI("Applying style 0x%08x (force=%d)  theme %p...\n", resID, force, this);
1493    //dumpToLog();
1494
1495    return NO_ERROR;
1496}
1497
1498status_t ResTable::Theme::setTo(const Theme& other)
1499{
1500    //LOGI("Setting theme %p from theme %p...\n", this, &other);
1501    //dumpToLog();
1502    //other.dumpToLog();
1503
1504    if (&mTable == &other.mTable) {
1505        for (size_t i=0; i<Res_MAXPACKAGE; i++) {
1506            if (mPackages[i] != NULL) {
1507                free_package(mPackages[i]);
1508            }
1509            if (other.mPackages[i] != NULL) {
1510                mPackages[i] = copy_package(other.mPackages[i]);
1511            } else {
1512                mPackages[i] = NULL;
1513            }
1514        }
1515    } else {
1516        // @todo: need to really implement this, not just copy
1517        // the system package (which is still wrong because it isn't
1518        // fixing up resource references).
1519        for (size_t i=0; i<Res_MAXPACKAGE; i++) {
1520            if (mPackages[i] != NULL) {
1521                free_package(mPackages[i]);
1522            }
1523            if (i == 0 && other.mPackages[i] != NULL) {
1524                mPackages[i] = copy_package(other.mPackages[i]);
1525            } else {
1526                mPackages[i] = NULL;
1527            }
1528        }
1529    }
1530
1531    //LOGI("Final theme:");
1532    //dumpToLog();
1533
1534    return NO_ERROR;
1535}
1536
1537ssize_t ResTable::Theme::getAttribute(uint32_t resID, Res_value* outValue,
1538        uint32_t* outTypeSpecFlags) const
1539{
1540    int cnt = 20;
1541
1542    if (outTypeSpecFlags != NULL) *outTypeSpecFlags = 0;
1543
1544    do {
1545        const ssize_t p = mTable.getResourcePackageIndex(resID);
1546        const uint32_t t = Res_GETTYPE(resID);
1547        const uint32_t e = Res_GETENTRY(resID);
1548
1549        TABLE_THEME(LOGI("Looking up attr 0x%08x in theme %p", resID, this));
1550
1551        if (p >= 0) {
1552            const package_info* const pi = mPackages[p];
1553            TABLE_THEME(LOGI("Found package: %p", pi));
1554            if (pi != NULL) {
1555                TABLE_THEME(LOGI("Desired type index is %ld in avail %d", t, pi->numTypes));
1556                if (t < pi->numTypes) {
1557                    const type_info& ti = pi->types[t];
1558                    TABLE_THEME(LOGI("Desired entry index is %ld in avail %d", e, ti.numEntries));
1559                    if (e < ti.numEntries) {
1560                        const theme_entry& te = ti.entries[e];
1561                        if (outTypeSpecFlags != NULL) {
1562                            *outTypeSpecFlags |= te.typeSpecFlags;
1563                        }
1564                        TABLE_THEME(LOGI("Theme value: type=0x%x, data=0x%08x",
1565                                te.value.dataType, te.value.data));
1566                        const uint8_t type = te.value.dataType;
1567                        if (type == Res_value::TYPE_ATTRIBUTE) {
1568                            if (cnt > 0) {
1569                                cnt--;
1570                                resID = te.value.data;
1571                                continue;
1572                            }
1573                            LOGW("Too many attribute references, stopped at: 0x%08x\n", resID);
1574                            return BAD_INDEX;
1575                        } else if (type != Res_value::TYPE_NULL) {
1576                            *outValue = te.value;
1577                            return te.stringBlock;
1578                        }
1579                        return BAD_INDEX;
1580                    }
1581                }
1582            }
1583        }
1584        break;
1585
1586    } while (true);
1587
1588    return BAD_INDEX;
1589}
1590
1591ssize_t ResTable::Theme::resolveAttributeReference(Res_value* inOutValue,
1592        ssize_t blockIndex, uint32_t* outLastRef,
1593        uint32_t* inoutTypeSpecFlags, ResTable_config* inoutConfig) const
1594{
1595    //printf("Resolving type=0x%x\n", inOutValue->dataType);
1596    if (inOutValue->dataType == Res_value::TYPE_ATTRIBUTE) {
1597        uint32_t newTypeSpecFlags;
1598        blockIndex = getAttribute(inOutValue->data, inOutValue, &newTypeSpecFlags);
1599        TABLE_THEME(LOGI("Resolving attr reference: blockIndex=%d, type=0x%x, data=%p\n",
1600             (int)blockIndex, (int)inOutValue->dataType, (void*)inOutValue->data));
1601        if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newTypeSpecFlags;
1602        //printf("Retrieved attribute new type=0x%x\n", inOutValue->dataType);
1603        if (blockIndex < 0) {
1604            return blockIndex;
1605        }
1606    }
1607    return mTable.resolveReference(inOutValue, blockIndex, outLastRef,
1608            inoutTypeSpecFlags, inoutConfig);
1609}
1610
1611void ResTable::Theme::dumpToLog() const
1612{
1613    LOGI("Theme %p:\n", this);
1614    for (size_t i=0; i<Res_MAXPACKAGE; i++) {
1615        package_info* pi = mPackages[i];
1616        if (pi == NULL) continue;
1617
1618        LOGI("  Package #0x%02x:\n", (int)(i+1));
1619        for (size_t j=0; j<pi->numTypes; j++) {
1620            type_info& ti = pi->types[j];
1621            if (ti.numEntries == 0) continue;
1622
1623            LOGI("    Type #0x%02x:\n", (int)(j+1));
1624            for (size_t k=0; k<ti.numEntries; k++) {
1625                theme_entry& te = ti.entries[k];
1626                if (te.value.dataType == Res_value::TYPE_NULL) continue;
1627                LOGI("      0x%08x: t=0x%x, d=0x%08x (block=%d)\n",
1628                     (int)Res_MAKEID(i, j, k),
1629                     te.value.dataType, (int)te.value.data, (int)te.stringBlock);
1630            }
1631        }
1632    }
1633}
1634
1635ResTable::ResTable()
1636    : mError(NO_INIT)
1637{
1638    memset(&mParams, 0, sizeof(mParams));
1639    memset(mPackageMap, 0, sizeof(mPackageMap));
1640    //LOGI("Creating ResTable %p\n", this);
1641}
1642
1643ResTable::ResTable(const void* data, size_t size, void* cookie, bool copyData)
1644    : mError(NO_INIT)
1645{
1646    memset(&mParams, 0, sizeof(mParams));
1647    memset(mPackageMap, 0, sizeof(mPackageMap));
1648    add(data, size, cookie, copyData);
1649    LOG_FATAL_IF(mError != NO_ERROR, "Error parsing resource table");
1650    //LOGI("Creating ResTable %p\n", this);
1651}
1652
1653ResTable::~ResTable()
1654{
1655    //LOGI("Destroying ResTable in %p\n", this);
1656    uninit();
1657}
1658
1659inline ssize_t ResTable::getResourcePackageIndex(uint32_t resID) const
1660{
1661    return ((ssize_t)mPackageMap[Res_GETPACKAGE(resID)+1])-1;
1662}
1663
1664status_t ResTable::add(const void* data, size_t size, void* cookie, bool copyData)
1665{
1666    return add(data, size, cookie, NULL, copyData);
1667}
1668
1669status_t ResTable::add(Asset* asset, void* cookie, bool copyData)
1670{
1671    const void* data = asset->getBuffer(true);
1672    if (data == NULL) {
1673        LOGW("Unable to get buffer of resource asset file");
1674        return UNKNOWN_ERROR;
1675    }
1676    size_t size = (size_t)asset->getLength();
1677    return add(data, size, cookie, asset, copyData);
1678}
1679
1680status_t ResTable::add(ResTable* src)
1681{
1682    mError = src->mError;
1683
1684    for (size_t i=0; i<src->mHeaders.size(); i++) {
1685        mHeaders.add(src->mHeaders[i]);
1686    }
1687
1688    for (size_t i=0; i<src->mPackageGroups.size(); i++) {
1689        PackageGroup* srcPg = src->mPackageGroups[i];
1690        PackageGroup* pg = new PackageGroup(this, srcPg->name, srcPg->id);
1691        for (size_t j=0; j<srcPg->packages.size(); j++) {
1692            pg->packages.add(srcPg->packages[j]);
1693        }
1694        pg->basePackage = srcPg->basePackage;
1695        pg->typeCount = srcPg->typeCount;
1696        mPackageGroups.add(pg);
1697    }
1698
1699    memcpy(mPackageMap, src->mPackageMap, sizeof(mPackageMap));
1700
1701    return mError;
1702}
1703
1704status_t ResTable::add(const void* data, size_t size, void* cookie,
1705                       Asset* asset, bool copyData)
1706{
1707    if (!data) return NO_ERROR;
1708    Header* header = new Header(this);
1709    header->index = mHeaders.size();
1710    header->cookie = cookie;
1711    mHeaders.add(header);
1712
1713    const bool notDeviceEndian = htods(0xf0) != 0xf0;
1714
1715    LOAD_TABLE_NOISY(
1716        LOGV("Adding resources to ResTable: data=%p, size=0x%x, cookie=%p, asset=%p, copy=%d\n",
1717             data, size, cookie, asset, copyData));
1718
1719    if (copyData || notDeviceEndian) {
1720        header->ownedData = malloc(size);
1721        if (header->ownedData == NULL) {
1722            return (mError=NO_MEMORY);
1723        }
1724        memcpy(header->ownedData, data, size);
1725        data = header->ownedData;
1726    }
1727
1728    header->header = (const ResTable_header*)data;
1729    header->size = dtohl(header->header->header.size);
1730    //LOGI("Got size 0x%x, again size 0x%x, raw size 0x%x\n", header->size,
1731    //     dtohl(header->header->header.size), header->header->header.size);
1732    LOAD_TABLE_NOISY(LOGV("Loading ResTable @%p:\n", header->header));
1733    LOAD_TABLE_NOISY(printHexData(2, header->header, header->size < 256 ? header->size : 256,
1734                                  16, 16, 0, false, printToLogFunc));
1735    if (dtohs(header->header->header.headerSize) > header->size
1736            || header->size > size) {
1737        LOGW("Bad resource table: header size 0x%x or total size 0x%x is larger than data size 0x%x\n",
1738             (int)dtohs(header->header->header.headerSize),
1739             (int)header->size, (int)size);
1740        return (mError=BAD_TYPE);
1741    }
1742    if (((dtohs(header->header->header.headerSize)|header->size)&0x3) != 0) {
1743        LOGW("Bad resource table: header size 0x%x or total size 0x%x is not on an integer boundary\n",
1744             (int)dtohs(header->header->header.headerSize),
1745             (int)header->size);
1746        return (mError=BAD_TYPE);
1747    }
1748    header->dataEnd = ((const uint8_t*)header->header) + header->size;
1749
1750    // Iterate through all chunks.
1751    size_t curPackage = 0;
1752
1753    const ResChunk_header* chunk =
1754        (const ResChunk_header*)(((const uint8_t*)header->header)
1755                                 + dtohs(header->header->header.headerSize));
1756    while (((const uint8_t*)chunk) <= (header->dataEnd-sizeof(ResChunk_header)) &&
1757           ((const uint8_t*)chunk) <= (header->dataEnd-dtohl(chunk->size))) {
1758        status_t err = validate_chunk(chunk, sizeof(ResChunk_header), header->dataEnd, "ResTable");
1759        if (err != NO_ERROR) {
1760            return (mError=err);
1761        }
1762        TABLE_NOISY(LOGV("Chunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n",
1763                     dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size),
1764                     (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))));
1765        const size_t csize = dtohl(chunk->size);
1766        const uint16_t ctype = dtohs(chunk->type);
1767        if (ctype == RES_STRING_POOL_TYPE) {
1768            if (header->values.getError() != NO_ERROR) {
1769                // Only use the first string chunk; ignore any others that
1770                // may appear.
1771                status_t err = header->values.setTo(chunk, csize);
1772                if (err != NO_ERROR) {
1773                    return (mError=err);
1774                }
1775            } else {
1776                LOGW("Multiple string chunks found in resource table.");
1777            }
1778        } else if (ctype == RES_TABLE_PACKAGE_TYPE) {
1779            if (curPackage >= dtohl(header->header->packageCount)) {
1780                LOGW("More package chunks were found than the %d declared in the header.",
1781                     dtohl(header->header->packageCount));
1782                return (mError=BAD_TYPE);
1783            }
1784            if (parsePackage((ResTable_package*)chunk, header) != NO_ERROR) {
1785                return mError;
1786            }
1787            curPackage++;
1788        } else {
1789            LOGW("Unknown chunk type %p in table at %p.\n",
1790                 (void*)(int)(ctype),
1791                 (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header)));
1792        }
1793        chunk = (const ResChunk_header*)
1794            (((const uint8_t*)chunk) + csize);
1795    }
1796
1797    if (curPackage < dtohl(header->header->packageCount)) {
1798        LOGW("Fewer package chunks (%d) were found than the %d declared in the header.",
1799             (int)curPackage, dtohl(header->header->packageCount));
1800        return (mError=BAD_TYPE);
1801    }
1802    mError = header->values.getError();
1803    if (mError != NO_ERROR) {
1804        LOGW("No string values found in resource table!");
1805    }
1806    TABLE_NOISY(LOGV("Returning from add with mError=%d\n", mError));
1807    return mError;
1808}
1809
1810status_t ResTable::getError() const
1811{
1812    return mError;
1813}
1814
1815void ResTable::uninit()
1816{
1817    mError = NO_INIT;
1818    size_t N = mPackageGroups.size();
1819    for (size_t i=0; i<N; i++) {
1820        PackageGroup* g = mPackageGroups[i];
1821        delete g;
1822    }
1823    N = mHeaders.size();
1824    for (size_t i=0; i<N; i++) {
1825        Header* header = mHeaders[i];
1826        if (header->owner == this) {
1827            if (header->ownedData) {
1828                free(header->ownedData);
1829            }
1830            delete header;
1831        }
1832    }
1833
1834    mPackageGroups.clear();
1835    mHeaders.clear();
1836}
1837
1838bool ResTable::getResourceName(uint32_t resID, resource_name* outName) const
1839{
1840    if (mError != NO_ERROR) {
1841        return false;
1842    }
1843
1844    const ssize_t p = getResourcePackageIndex(resID);
1845    const int t = Res_GETTYPE(resID);
1846    const int e = Res_GETENTRY(resID);
1847
1848    if (p < 0) {
1849        if (Res_GETPACKAGE(resID)+1 == 0) {
1850            LOGW("No package identifier when getting name for resource number 0x%08x", resID);
1851        } else {
1852            LOGW("No known package when getting name for resource number 0x%08x", resID);
1853        }
1854        return false;
1855    }
1856    if (t < 0) {
1857        LOGW("No type identifier when getting name for resource number 0x%08x", resID);
1858        return false;
1859    }
1860
1861    const PackageGroup* const grp = mPackageGroups[p];
1862    if (grp == NULL) {
1863        LOGW("Bad identifier when getting name for resource number 0x%08x", resID);
1864        return false;
1865    }
1866    if (grp->packages.size() > 0) {
1867        const Package* const package = grp->packages[0];
1868
1869        const ResTable_type* type;
1870        const ResTable_entry* entry;
1871        ssize_t offset = getEntry(package, t, e, NULL, &type, &entry, NULL);
1872        if (offset <= 0) {
1873            return false;
1874        }
1875
1876        outName->package = grp->name.string();
1877        outName->packageLen = grp->name.size();
1878        outName->type = grp->basePackage->typeStrings.stringAt(t, &outName->typeLen);
1879        outName->name = grp->basePackage->keyStrings.stringAt(
1880            dtohl(entry->key.index), &outName->nameLen);
1881        return true;
1882    }
1883
1884    return false;
1885}
1886
1887ssize_t ResTable::getResource(uint32_t resID, Res_value* outValue, bool mayBeBag,
1888        uint32_t* outSpecFlags, ResTable_config* outConfig) const
1889{
1890    if (mError != NO_ERROR) {
1891        return mError;
1892    }
1893
1894    const ssize_t p = getResourcePackageIndex(resID);
1895    const int t = Res_GETTYPE(resID);
1896    const int e = Res_GETENTRY(resID);
1897
1898    if (p < 0) {
1899        if (Res_GETPACKAGE(resID)+1 == 0) {
1900            LOGW("No package identifier when getting value for resource number 0x%08x", resID);
1901        } else {
1902            LOGW("No known package when getting value for resource number 0x%08x", resID);
1903        }
1904        return BAD_INDEX;
1905    }
1906    if (t < 0) {
1907        LOGW("No type identifier when getting value for resource number 0x%08x", resID);
1908        return BAD_INDEX;
1909    }
1910
1911    const Res_value* bestValue = NULL;
1912    const Package* bestPackage = NULL;
1913    ResTable_config bestItem;
1914    memset(&bestItem, 0, sizeof(bestItem)); // make the compiler shut up
1915
1916    if (outSpecFlags != NULL) *outSpecFlags = 0;
1917
1918    // Look through all resource packages, starting with the most
1919    // recently added.
1920    const PackageGroup* const grp = mPackageGroups[p];
1921    if (grp == NULL) {
1922        LOGW("Bad identifier when getting value for resource number 0x%08x", resID);
1923        return BAD_INDEX;
1924    }
1925    size_t ip = grp->packages.size();
1926    while (ip > 0) {
1927        ip--;
1928
1929        const Package* const package = grp->packages[ip];
1930
1931        const ResTable_type* type;
1932        const ResTable_entry* entry;
1933        const Type* typeClass;
1934        ssize_t offset = getEntry(package, t, e, &mParams, &type, &entry, &typeClass);
1935        if (offset <= 0) {
1936            if (offset < 0) {
1937                LOGW("Failure getting entry for 0x%08x (t=%d e=%d) in package %d: 0x%08x\n",
1938                        resID, t, e, (int)ip, (int)offset);
1939                return offset;
1940            }
1941            continue;
1942        }
1943
1944        if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) != 0) {
1945            if (!mayBeBag) {
1946                LOGW("Requesting resource %p failed because it is complex\n",
1947                     (void*)resID);
1948            }
1949            continue;
1950        }
1951
1952        TABLE_NOISY(aout << "Resource type data: "
1953              << HexDump(type, dtohl(type->header.size)) << endl);
1954
1955        if ((size_t)offset > (dtohl(type->header.size)-sizeof(Res_value))) {
1956            LOGW("ResTable_item at %d is beyond type chunk data %d",
1957                 (int)offset, dtohl(type->header.size));
1958            return BAD_TYPE;
1959        }
1960
1961        const Res_value* item =
1962            (const Res_value*)(((const uint8_t*)type) + offset);
1963        ResTable_config thisConfig;
1964        thisConfig.copyFromDtoH(type->config);
1965
1966        if (outSpecFlags != NULL) {
1967            if (typeClass->typeSpecFlags != NULL) {
1968                *outSpecFlags |= dtohl(typeClass->typeSpecFlags[e]);
1969            } else {
1970                *outSpecFlags = -1;
1971            }
1972        }
1973
1974        if (bestPackage != NULL && bestItem.isMoreSpecificThan(thisConfig)) {
1975            continue;
1976        }
1977
1978        bestItem = thisConfig;
1979        bestValue = item;
1980        bestPackage = package;
1981    }
1982
1983    TABLE_NOISY(printf("Found result: package %p\n", bestPackage));
1984
1985    if (bestValue) {
1986        outValue->size = dtohs(bestValue->size);
1987        outValue->res0 = bestValue->res0;
1988        outValue->dataType = bestValue->dataType;
1989        outValue->data = dtohl(bestValue->data);
1990        if (outConfig != NULL) {
1991            *outConfig = bestItem;
1992        }
1993        TABLE_NOISY(size_t len;
1994              printf("Found value: pkg=%d, type=%d, str=%s, int=%d\n",
1995                     bestPackage->header->index,
1996                     outValue->dataType,
1997                     outValue->dataType == bestValue->TYPE_STRING
1998                     ? String8(bestPackage->header->values.stringAt(
1999                         outValue->data, &len)).string()
2000                     : "",
2001                     outValue->data));
2002        return bestPackage->header->index;
2003    }
2004
2005    return BAD_VALUE;
2006}
2007
2008ssize_t ResTable::resolveReference(Res_value* value, ssize_t blockIndex,
2009        uint32_t* outLastRef, uint32_t* inoutTypeSpecFlags,
2010        ResTable_config* outConfig) const
2011{
2012    int count=0;
2013    while (blockIndex >= 0 && value->dataType == value->TYPE_REFERENCE
2014           && value->data != 0 && count < 20) {
2015        if (outLastRef) *outLastRef = value->data;
2016        uint32_t lastRef = value->data;
2017        uint32_t newFlags = 0;
2018        const ssize_t newIndex = getResource(value->data, value, true, &newFlags,
2019                outConfig);
2020        if (newIndex == BAD_INDEX) {
2021            return BAD_INDEX;
2022        }
2023        TABLE_THEME(LOGI("Resolving reference %p: newIndex=%d, type=0x%x, data=%p\n",
2024             (void*)lastRef, (int)newIndex, (int)value->dataType, (void*)value->data));
2025        //printf("Getting reference 0x%08x: newIndex=%d\n", value->data, newIndex);
2026        if (inoutTypeSpecFlags != NULL) *inoutTypeSpecFlags |= newFlags;
2027        if (newIndex < 0) {
2028            // This can fail if the resource being referenced is a style...
2029            // in this case, just return the reference, and expect the
2030            // caller to deal with.
2031            return blockIndex;
2032        }
2033        blockIndex = newIndex;
2034        count++;
2035    }
2036    return blockIndex;
2037}
2038
2039const char16_t* ResTable::valueToString(
2040    const Res_value* value, size_t stringBlock,
2041    char16_t tmpBuffer[TMP_BUFFER_SIZE], size_t* outLen)
2042{
2043    if (!value) {
2044        return NULL;
2045    }
2046    if (value->dataType == value->TYPE_STRING) {
2047        return getTableStringBlock(stringBlock)->stringAt(value->data, outLen);
2048    }
2049    // XXX do int to string conversions.
2050    return NULL;
2051}
2052
2053ssize_t ResTable::lockBag(uint32_t resID, const bag_entry** outBag) const
2054{
2055    mLock.lock();
2056    ssize_t err = getBagLocked(resID, outBag);
2057    if (err < NO_ERROR) {
2058        //printf("*** get failed!  unlocking\n");
2059        mLock.unlock();
2060    }
2061    return err;
2062}
2063
2064void ResTable::unlockBag(const bag_entry* bag) const
2065{
2066    //printf("<<< unlockBag %p\n", this);
2067    mLock.unlock();
2068}
2069
2070void ResTable::lock() const
2071{
2072    mLock.lock();
2073}
2074
2075void ResTable::unlock() const
2076{
2077    mLock.unlock();
2078}
2079
2080ssize_t ResTable::getBagLocked(uint32_t resID, const bag_entry** outBag,
2081        uint32_t* outTypeSpecFlags) const
2082{
2083    if (mError != NO_ERROR) {
2084        return mError;
2085    }
2086
2087    const ssize_t p = getResourcePackageIndex(resID);
2088    const int t = Res_GETTYPE(resID);
2089    const int e = Res_GETENTRY(resID);
2090
2091    if (p < 0) {
2092        LOGW("Invalid package identifier when getting bag for resource number 0x%08x", resID);
2093        return BAD_INDEX;
2094    }
2095    if (t < 0) {
2096        LOGW("No type identifier when getting bag for resource number 0x%08x", resID);
2097        return BAD_INDEX;
2098    }
2099
2100    //printf("Get bag: id=0x%08x, p=%d, t=%d\n", resID, p, t);
2101    PackageGroup* const grp = mPackageGroups[p];
2102    if (grp == NULL) {
2103        LOGW("Bad identifier when getting bag for resource number 0x%08x", resID);
2104        return false;
2105    }
2106
2107    if (t >= (int)grp->typeCount) {
2108        LOGW("Type identifier 0x%x is larger than type count 0x%x",
2109             t+1, (int)grp->typeCount);
2110        return BAD_INDEX;
2111    }
2112
2113    const Package* const basePackage = grp->packages[0];
2114
2115    const Type* const typeConfigs = basePackage->getType(t);
2116
2117    const size_t NENTRY = typeConfigs->entryCount;
2118    if (e >= (int)NENTRY) {
2119        LOGW("Entry identifier 0x%x is larger than entry count 0x%x",
2120             e, (int)typeConfigs->entryCount);
2121        return BAD_INDEX;
2122    }
2123
2124    // First see if we've already computed this bag...
2125    if (grp->bags) {
2126        bag_set** typeSet = grp->bags[t];
2127        if (typeSet) {
2128            bag_set* set = typeSet[e];
2129            if (set) {
2130                if (set != (bag_set*)0xFFFFFFFF) {
2131                    if (outTypeSpecFlags != NULL) {
2132                        *outTypeSpecFlags = set->typeSpecFlags;
2133                    }
2134                    *outBag = (bag_entry*)(set+1);
2135                    //LOGI("Found existing bag for: %p\n", (void*)resID);
2136                    return set->numAttrs;
2137                }
2138                LOGW("Attempt to retrieve bag 0x%08x which is invalid or in a cycle.",
2139                     resID);
2140                return BAD_INDEX;
2141            }
2142        }
2143    }
2144
2145    // Bag not found, we need to compute it!
2146    if (!grp->bags) {
2147        grp->bags = (bag_set***)malloc(sizeof(bag_set*)*grp->typeCount);
2148        if (!grp->bags) return NO_MEMORY;
2149        memset(grp->bags, 0, sizeof(bag_set*)*grp->typeCount);
2150    }
2151
2152    bag_set** typeSet = grp->bags[t];
2153    if (!typeSet) {
2154        typeSet = (bag_set**)malloc(sizeof(bag_set*)*NENTRY);
2155        if (!typeSet) return NO_MEMORY;
2156        memset(typeSet, 0, sizeof(bag_set*)*NENTRY);
2157        grp->bags[t] = typeSet;
2158    }
2159
2160    // Mark that we are currently working on this one.
2161    typeSet[e] = (bag_set*)0xFFFFFFFF;
2162
2163    // This is what we are building.
2164    bag_set* set = NULL;
2165
2166    TABLE_NOISY(LOGI("Building bag: %p\n", (void*)resID));
2167
2168    // Now collect all bag attributes from all packages.
2169    size_t ip = grp->packages.size();
2170    while (ip > 0) {
2171        ip--;
2172
2173        const Package* const package = grp->packages[ip];
2174
2175        const ResTable_type* type;
2176        const ResTable_entry* entry;
2177        const Type* typeClass;
2178        LOGV("Getting entry pkg=%p, t=%d, e=%d\n", package, t, e);
2179        ssize_t offset = getEntry(package, t, e, &mParams, &type, &entry, &typeClass);
2180        LOGV("Resulting offset=%d\n", offset);
2181        if (offset <= 0) {
2182            if (offset < 0) {
2183                if (set) free(set);
2184                return offset;
2185            }
2186            continue;
2187        }
2188
2189        if ((dtohs(entry->flags)&entry->FLAG_COMPLEX) == 0) {
2190            LOGW("Skipping entry %p in package table %d because it is not complex!\n",
2191                 (void*)resID, (int)ip);
2192            continue;
2193        }
2194
2195        const uint16_t entrySize = dtohs(entry->size);
2196        const uint32_t parent = entrySize >= sizeof(ResTable_map_entry)
2197            ? dtohl(((const ResTable_map_entry*)entry)->parent.ident) : 0;
2198        const uint32_t count = entrySize >= sizeof(ResTable_map_entry)
2199            ? dtohl(((const ResTable_map_entry*)entry)->count) : 0;
2200
2201        size_t N = count;
2202
2203        TABLE_NOISY(LOGI("Found map: size=%p parent=%p count=%d\n",
2204                         entrySize, parent, count));
2205
2206        if (set == NULL) {
2207            // If this map inherits from another, we need to start
2208            // with its parent's values.  Otherwise start out empty.
2209            TABLE_NOISY(printf("Creating new bag, entrySize=0x%08x, parent=0x%08x\n",
2210                         entrySize, parent));
2211            if (parent) {
2212                const bag_entry* parentBag;
2213                uint32_t parentTypeSpecFlags = 0;
2214                const ssize_t NP = getBagLocked(parent, &parentBag, &parentTypeSpecFlags);
2215                const size_t NT = ((NP >= 0) ? NP : 0) + N;
2216                set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*NT);
2217                if (set == NULL) {
2218                    return NO_MEMORY;
2219                }
2220                if (NP > 0) {
2221                    memcpy(set+1, parentBag, NP*sizeof(bag_entry));
2222                    set->numAttrs = NP;
2223                    TABLE_NOISY(LOGI("Initialized new bag with %d inherited attributes.\n", NP));
2224                } else {
2225                    TABLE_NOISY(LOGI("Initialized new bag with no inherited attributes.\n"));
2226                    set->numAttrs = 0;
2227                }
2228                set->availAttrs = NT;
2229                set->typeSpecFlags = parentTypeSpecFlags;
2230            } else {
2231                set = (bag_set*)malloc(sizeof(bag_set)+sizeof(bag_entry)*N);
2232                if (set == NULL) {
2233                    return NO_MEMORY;
2234                }
2235                set->numAttrs = 0;
2236                set->availAttrs = N;
2237                set->typeSpecFlags = 0;
2238            }
2239        }
2240
2241        if (typeClass->typeSpecFlags != NULL) {
2242            set->typeSpecFlags |= dtohl(typeClass->typeSpecFlags[e]);
2243        } else {
2244            set->typeSpecFlags = -1;
2245        }
2246
2247        // Now merge in the new attributes...
2248        ssize_t curOff = offset;
2249        const ResTable_map* map;
2250        bag_entry* entries = (bag_entry*)(set+1);
2251        size_t curEntry = 0;
2252        uint32_t pos = 0;
2253        TABLE_NOISY(LOGI("Starting with set %p, entries=%p, avail=%d\n",
2254                     set, entries, set->availAttrs));
2255        while (pos < count) {
2256            TABLE_NOISY(printf("Now at %p\n", (void*)curOff));
2257
2258            if ((size_t)curOff > (dtohl(type->header.size)-sizeof(ResTable_map))) {
2259                LOGW("ResTable_map at %d is beyond type chunk data %d",
2260                     (int)curOff, dtohl(type->header.size));
2261                return BAD_TYPE;
2262            }
2263            map = (const ResTable_map*)(((const uint8_t*)type) + curOff);
2264            N++;
2265
2266            const uint32_t newName = htodl(map->name.ident);
2267            bool isInside;
2268            uint32_t oldName = 0;
2269            while ((isInside=(curEntry < set->numAttrs))
2270                    && (oldName=entries[curEntry].map.name.ident) < newName) {
2271                TABLE_NOISY(printf("#%d: Keeping existing attribute: 0x%08x\n",
2272                             curEntry, entries[curEntry].map.name.ident));
2273                curEntry++;
2274            }
2275
2276            if ((!isInside) || oldName != newName) {
2277                // This is a new attribute...  figure out what to do with it.
2278                if (set->numAttrs >= set->availAttrs) {
2279                    // Need to alloc more memory...
2280                    const size_t newAvail = set->availAttrs+N;
2281                    set = (bag_set*)realloc(set,
2282                                            sizeof(bag_set)
2283                                            + sizeof(bag_entry)*newAvail);
2284                    if (set == NULL) {
2285                        return NO_MEMORY;
2286                    }
2287                    set->availAttrs = newAvail;
2288                    entries = (bag_entry*)(set+1);
2289                    TABLE_NOISY(printf("Reallocated set %p, entries=%p, avail=%d\n",
2290                                 set, entries, set->availAttrs));
2291                }
2292                if (isInside) {
2293                    // Going in the middle, need to make space.
2294                    memmove(entries+curEntry+1, entries+curEntry,
2295                            sizeof(bag_entry)*(set->numAttrs-curEntry));
2296                    set->numAttrs++;
2297                }
2298                TABLE_NOISY(printf("#%d: Inserting new attribute: 0x%08x\n",
2299                             curEntry, newName));
2300            } else {
2301                TABLE_NOISY(printf("#%d: Replacing existing attribute: 0x%08x\n",
2302                             curEntry, oldName));
2303            }
2304
2305            bag_entry* cur = entries+curEntry;
2306
2307            cur->stringBlock = package->header->index;
2308            cur->map.name.ident = newName;
2309            cur->map.value.copyFrom_dtoh(map->value);
2310            TABLE_NOISY(printf("Setting entry #%d %p: block=%d, name=0x%08x, type=%d, data=0x%08x\n",
2311                         curEntry, cur, cur->stringBlock, cur->map.name.ident,
2312                         cur->map.value.dataType, cur->map.value.data));
2313
2314            // On to the next!
2315            curEntry++;
2316            pos++;
2317            const size_t size = dtohs(map->value.size);
2318            curOff += size + sizeof(*map)-sizeof(map->value);
2319        };
2320        if (curEntry > set->numAttrs) {
2321            set->numAttrs = curEntry;
2322        }
2323    }
2324
2325    // And this is it...
2326    typeSet[e] = set;
2327    if (set) {
2328        if (outTypeSpecFlags != NULL) {
2329            *outTypeSpecFlags = set->typeSpecFlags;
2330        }
2331        *outBag = (bag_entry*)(set+1);
2332        TABLE_NOISY(LOGI("Returning %d attrs\n", set->numAttrs));
2333        return set->numAttrs;
2334    }
2335    return BAD_INDEX;
2336}
2337
2338void ResTable::setParameters(const ResTable_config* params)
2339{
2340    mLock.lock();
2341    TABLE_GETENTRY(LOGI("Setting parameters: imsi:%d/%d lang:%c%c cnt:%c%c "
2342                        "orien:%d touch:%d density:%d key:%d inp:%d nav:%d w:%d h:%d\n",
2343                       params->mcc, params->mnc,
2344                       params->language[0] ? params->language[0] : '-',
2345                       params->language[1] ? params->language[1] : '-',
2346                       params->country[0] ? params->country[0] : '-',
2347                       params->country[1] ? params->country[1] : '-',
2348                       params->orientation,
2349                       params->touchscreen,
2350                       params->density,
2351                       params->keyboard,
2352                       params->inputFlags,
2353                       params->navigation,
2354                       params->screenWidth,
2355                       params->screenHeight));
2356    mParams = *params;
2357    for (size_t i=0; i<mPackageGroups.size(); i++) {
2358        TABLE_NOISY(LOGI("CLEARING BAGS FOR GROUP %d!", i));
2359        mPackageGroups[i]->clearBagCache();
2360    }
2361    mLock.unlock();
2362}
2363
2364void ResTable::getParameters(ResTable_config* params) const
2365{
2366    mLock.lock();
2367    *params = mParams;
2368    mLock.unlock();
2369}
2370
2371struct id_name_map {
2372    uint32_t id;
2373    size_t len;
2374    char16_t name[6];
2375};
2376
2377const static id_name_map ID_NAMES[] = {
2378    { ResTable_map::ATTR_TYPE,  5, { '^', 't', 'y', 'p', 'e' } },
2379    { ResTable_map::ATTR_L10N,  5, { '^', 'l', '1', '0', 'n' } },
2380    { ResTable_map::ATTR_MIN,   4, { '^', 'm', 'i', 'n' } },
2381    { ResTable_map::ATTR_MAX,   4, { '^', 'm', 'a', 'x' } },
2382    { ResTable_map::ATTR_OTHER, 6, { '^', 'o', 't', 'h', 'e', 'r' } },
2383    { ResTable_map::ATTR_ZERO,  5, { '^', 'z', 'e', 'r', 'o' } },
2384    { ResTable_map::ATTR_ONE,   4, { '^', 'o', 'n', 'e' } },
2385    { ResTable_map::ATTR_TWO,   4, { '^', 't', 'w', 'o' } },
2386    { ResTable_map::ATTR_FEW,   4, { '^', 'f', 'e', 'w' } },
2387    { ResTable_map::ATTR_MANY,  5, { '^', 'm', 'a', 'n', 'y' } },
2388};
2389
2390uint32_t ResTable::identifierForName(const char16_t* name, size_t nameLen,
2391                                     const char16_t* type, size_t typeLen,
2392                                     const char16_t* package,
2393                                     size_t packageLen,
2394                                     uint32_t* outTypeSpecFlags) const
2395{
2396    TABLE_SUPER_NOISY(printf("Identifier for name: error=%d\n", mError));
2397
2398    // Check for internal resource identifier as the very first thing, so
2399    // that we will always find them even when there are no resources.
2400    if (name[0] == '^') {
2401        const int N = (sizeof(ID_NAMES)/sizeof(ID_NAMES[0]));
2402        size_t len;
2403        for (int i=0; i<N; i++) {
2404            const id_name_map* m = ID_NAMES + i;
2405            len = m->len;
2406            if (len != nameLen) {
2407                continue;
2408            }
2409            for (size_t j=1; j<len; j++) {
2410                if (m->name[j] != name[j]) {
2411                    goto nope;
2412                }
2413            }
2414            return m->id;
2415nope:
2416            ;
2417        }
2418        if (nameLen > 7) {
2419            if (name[1] == 'i' && name[2] == 'n'
2420                && name[3] == 'd' && name[4] == 'e' && name[5] == 'x'
2421                && name[6] == '_') {
2422                int index = atoi(String8(name + 7, nameLen - 7).string());
2423                if (Res_CHECKID(index)) {
2424                    LOGW("Array resource index: %d is too large.",
2425                         index);
2426                    return 0;
2427                }
2428                return  Res_MAKEARRAY(index);
2429            }
2430        }
2431        return 0;
2432    }
2433
2434    if (mError != NO_ERROR) {
2435        return 0;
2436    }
2437
2438    // Figure out the package and type we are looking in...
2439
2440    const char16_t* packageEnd = NULL;
2441    const char16_t* typeEnd = NULL;
2442    const char16_t* const nameEnd = name+nameLen;
2443    const char16_t* p = name;
2444    while (p < nameEnd) {
2445        if (*p == ':') packageEnd = p;
2446        else if (*p == '/') typeEnd = p;
2447        p++;
2448    }
2449    if (*name == '@') name++;
2450    if (name >= nameEnd) {
2451        return 0;
2452    }
2453
2454    if (packageEnd) {
2455        package = name;
2456        packageLen = packageEnd-name;
2457        name = packageEnd+1;
2458    } else if (!package) {
2459        return 0;
2460    }
2461
2462    if (typeEnd) {
2463        type = name;
2464        typeLen = typeEnd-name;
2465        name = typeEnd+1;
2466    } else if (!type) {
2467        return 0;
2468    }
2469
2470    if (name >= nameEnd) {
2471        return 0;
2472    }
2473    nameLen = nameEnd-name;
2474
2475    TABLE_NOISY(printf("Looking for identifier: type=%s, name=%s, package=%s\n",
2476                 String8(type, typeLen).string(),
2477                 String8(name, nameLen).string(),
2478                 String8(package, packageLen).string()));
2479
2480    const size_t NG = mPackageGroups.size();
2481    for (size_t ig=0; ig<NG; ig++) {
2482        const PackageGroup* group = mPackageGroups[ig];
2483
2484        if (strzcmp16(package, packageLen,
2485                      group->name.string(), group->name.size())) {
2486            TABLE_NOISY(printf("Skipping package group: %s\n", String8(group->name).string()));
2487            continue;
2488        }
2489
2490        const ssize_t ti = group->basePackage->typeStrings.indexOfString(type, typeLen);
2491        if (ti < 0) {
2492            TABLE_NOISY(printf("Type not found in package %s\n", String8(group->name).string()));
2493            continue;
2494        }
2495
2496        const ssize_t ei = group->basePackage->keyStrings.indexOfString(name, nameLen);
2497        if (ei < 0) {
2498            TABLE_NOISY(printf("Name not found in package %s\n", String8(group->name).string()));
2499            continue;
2500        }
2501
2502        TABLE_NOISY(printf("Search indices: type=%d, name=%d\n", ti, ei));
2503
2504        const Type* const typeConfigs = group->packages[0]->getType(ti);
2505        if (typeConfigs == NULL || typeConfigs->configs.size() <= 0) {
2506            TABLE_NOISY(printf("Expected type structure not found in package %s for idnex %d\n",
2507                               String8(group->name).string(), ti));
2508        }
2509
2510        size_t NTC = typeConfigs->configs.size();
2511        for (size_t tci=0; tci<NTC; tci++) {
2512            const ResTable_type* const ty = typeConfigs->configs[tci];
2513            const uint32_t typeOffset = dtohl(ty->entriesStart);
2514
2515            const uint8_t* const end = ((const uint8_t*)ty) + dtohl(ty->header.size);
2516            const uint32_t* const eindex = (const uint32_t*)
2517                (((const uint8_t*)ty) + dtohs(ty->header.headerSize));
2518
2519            const size_t NE = dtohl(ty->entryCount);
2520            for (size_t i=0; i<NE; i++) {
2521                uint32_t offset = dtohl(eindex[i]);
2522                if (offset == ResTable_type::NO_ENTRY) {
2523                    continue;
2524                }
2525
2526                offset += typeOffset;
2527
2528                if (offset > (dtohl(ty->header.size)-sizeof(ResTable_entry))) {
2529                    LOGW("ResTable_entry at %d is beyond type chunk data %d",
2530                         offset, dtohl(ty->header.size));
2531                    return 0;
2532                }
2533                if ((offset&0x3) != 0) {
2534                    LOGW("ResTable_entry at %d (pkg=%d type=%d ent=%d) is not on an integer boundary when looking for %s:%s/%s",
2535                         (int)offset, (int)group->id, (int)ti+1, (int)i,
2536                         String8(package, packageLen).string(),
2537                         String8(type, typeLen).string(),
2538                         String8(name, nameLen).string());
2539                    return 0;
2540                }
2541
2542                const ResTable_entry* const entry = (const ResTable_entry*)
2543                    (((const uint8_t*)ty) + offset);
2544                if (dtohs(entry->size) < sizeof(*entry)) {
2545                    LOGW("ResTable_entry size %d is too small", dtohs(entry->size));
2546                    return BAD_TYPE;
2547                }
2548
2549                TABLE_SUPER_NOISY(printf("Looking at entry #%d: want str %d, have %d\n",
2550                                         i, ei, dtohl(entry->key.index)));
2551                if (dtohl(entry->key.index) == (size_t)ei) {
2552                    if (outTypeSpecFlags) {
2553                        *outTypeSpecFlags = typeConfigs->typeSpecFlags[i];
2554                    }
2555                    return Res_MAKEID(group->id-1, ti, i);
2556                }
2557            }
2558        }
2559    }
2560
2561    return 0;
2562}
2563
2564bool ResTable::expandResourceRef(const uint16_t* refStr, size_t refLen,
2565                                 String16* outPackage,
2566                                 String16* outType,
2567                                 String16* outName,
2568                                 const String16* defType,
2569                                 const String16* defPackage,
2570                                 const char** outErrorMsg)
2571{
2572    const char16_t* packageEnd = NULL;
2573    const char16_t* typeEnd = NULL;
2574    const char16_t* p = refStr;
2575    const char16_t* const end = p + refLen;
2576    while (p < end) {
2577        if (*p == ':') packageEnd = p;
2578        else if (*p == '/') {
2579            typeEnd = p;
2580            break;
2581        }
2582        p++;
2583    }
2584    p = refStr;
2585    if (*p == '@') p++;
2586
2587    if (packageEnd) {
2588        *outPackage = String16(p, packageEnd-p);
2589        p = packageEnd+1;
2590    } else {
2591        if (!defPackage) {
2592            if (outErrorMsg) {
2593                *outErrorMsg = "No resource package specified";
2594            }
2595            return false;
2596        }
2597        *outPackage = *defPackage;
2598    }
2599    if (typeEnd) {
2600        *outType = String16(p, typeEnd-p);
2601        p = typeEnd+1;
2602    } else {
2603        if (!defType) {
2604            if (outErrorMsg) {
2605                *outErrorMsg = "No resource type specified";
2606            }
2607            return false;
2608        }
2609        *outType = *defType;
2610    }
2611    *outName = String16(p, end-p);
2612    return true;
2613}
2614
2615static uint32_t get_hex(char c, bool* outError)
2616{
2617    if (c >= '0' && c <= '9') {
2618        return c - '0';
2619    } else if (c >= 'a' && c <= 'f') {
2620        return c - 'a' + 0xa;
2621    } else if (c >= 'A' && c <= 'F') {
2622        return c - 'A' + 0xa;
2623    }
2624    *outError = true;
2625    return 0;
2626}
2627
2628struct unit_entry
2629{
2630    const char* name;
2631    size_t len;
2632    uint8_t type;
2633    uint32_t unit;
2634    float scale;
2635};
2636
2637static const unit_entry unitNames[] = {
2638    { "px", strlen("px"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PX, 1.0f },
2639    { "dip", strlen("dip"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f },
2640    { "dp", strlen("dp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_DIP, 1.0f },
2641    { "sp", strlen("sp"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_SP, 1.0f },
2642    { "pt", strlen("pt"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_PT, 1.0f },
2643    { "in", strlen("in"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_IN, 1.0f },
2644    { "mm", strlen("mm"), Res_value::TYPE_DIMENSION, Res_value::COMPLEX_UNIT_MM, 1.0f },
2645    { "%", strlen("%"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION, 1.0f/100 },
2646    { "%p", strlen("%p"), Res_value::TYPE_FRACTION, Res_value::COMPLEX_UNIT_FRACTION_PARENT, 1.0f/100 },
2647    { NULL, 0, 0, 0, 0 }
2648};
2649
2650static bool parse_unit(const char* str, Res_value* outValue,
2651                       float* outScale, const char** outEnd)
2652{
2653    const char* end = str;
2654    while (*end != 0 && !isspace((unsigned char)*end)) {
2655        end++;
2656    }
2657    const size_t len = end-str;
2658
2659    const char* realEnd = end;
2660    while (*realEnd != 0 && isspace((unsigned char)*realEnd)) {
2661        realEnd++;
2662    }
2663    if (*realEnd != 0) {
2664        return false;
2665    }
2666
2667    const unit_entry* cur = unitNames;
2668    while (cur->name) {
2669        if (len == cur->len && strncmp(cur->name, str, len) == 0) {
2670            outValue->dataType = cur->type;
2671            outValue->data = cur->unit << Res_value::COMPLEX_UNIT_SHIFT;
2672            *outScale = cur->scale;
2673            *outEnd = end;
2674            //printf("Found unit %s for %s\n", cur->name, str);
2675            return true;
2676        }
2677        cur++;
2678    }
2679
2680    return false;
2681}
2682
2683
2684bool ResTable::stringToInt(const char16_t* s, size_t len, Res_value* outValue)
2685{
2686    while (len > 0 && isspace16(*s)) {
2687        s++;
2688        len--;
2689    }
2690
2691    if (len <= 0) {
2692        return false;
2693    }
2694
2695    size_t i = 0;
2696    int32_t val = 0;
2697    bool neg = false;
2698
2699    if (*s == '-') {
2700        neg = true;
2701        i++;
2702    }
2703
2704    if (s[i] < '0' || s[i] > '9') {
2705        return false;
2706    }
2707
2708    // Decimal or hex?
2709    if (s[i] == '0' && s[i+1] == 'x') {
2710        if (outValue)
2711            outValue->dataType = outValue->TYPE_INT_HEX;
2712        i += 2;
2713        bool error = false;
2714        while (i < len && !error) {
2715            val = (val*16) + get_hex(s[i], &error);
2716            i++;
2717        }
2718        if (error) {
2719            return false;
2720        }
2721    } else {
2722        if (outValue)
2723            outValue->dataType = outValue->TYPE_INT_DEC;
2724        while (i < len) {
2725            if (s[i] < '0' || s[i] > '9') {
2726                return false;
2727            }
2728            val = (val*10) + s[i]-'0';
2729            i++;
2730        }
2731    }
2732
2733    if (neg) val = -val;
2734
2735    while (i < len && isspace16(s[i])) {
2736        i++;
2737    }
2738
2739    if (i == len) {
2740        if (outValue)
2741            outValue->data = val;
2742        return true;
2743    }
2744
2745    return false;
2746}
2747
2748bool ResTable::stringToFloat(const char16_t* s, size_t len, Res_value* outValue)
2749{
2750    while (len > 0 && isspace16(*s)) {
2751        s++;
2752        len--;
2753    }
2754
2755    if (len <= 0) {
2756        return false;
2757    }
2758
2759    char buf[128];
2760    int i=0;
2761    while (len > 0 && *s != 0 && i < 126) {
2762        if (*s > 255) {
2763            return false;
2764        }
2765        buf[i++] = *s++;
2766        len--;
2767    }
2768
2769    if (len > 0) {
2770        return false;
2771    }
2772    if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') {
2773        return false;
2774    }
2775
2776    buf[i] = 0;
2777    const char* end;
2778    float f = strtof(buf, (char**)&end);
2779
2780    if (*end != 0 && !isspace((unsigned char)*end)) {
2781        // Might be a unit...
2782        float scale;
2783        if (parse_unit(end, outValue, &scale, &end)) {
2784            f *= scale;
2785            const bool neg = f < 0;
2786            if (neg) f = -f;
2787            uint64_t bits = (uint64_t)(f*(1<<23)+.5f);
2788            uint32_t radix;
2789            uint32_t shift;
2790            if ((bits&0x7fffff) == 0) {
2791                // Always use 23p0 if there is no fraction, just to make
2792                // things easier to read.
2793                radix = Res_value::COMPLEX_RADIX_23p0;
2794                shift = 23;
2795            } else if ((bits&0xffffffffff800000LL) == 0) {
2796                // Magnitude is zero -- can fit in 0 bits of precision.
2797                radix = Res_value::COMPLEX_RADIX_0p23;
2798                shift = 0;
2799            } else if ((bits&0xffffffff80000000LL) == 0) {
2800                // Magnitude can fit in 8 bits of precision.
2801                radix = Res_value::COMPLEX_RADIX_8p15;
2802                shift = 8;
2803            } else if ((bits&0xffffff8000000000LL) == 0) {
2804                // Magnitude can fit in 16 bits of precision.
2805                radix = Res_value::COMPLEX_RADIX_16p7;
2806                shift = 16;
2807            } else {
2808                // Magnitude needs entire range, so no fractional part.
2809                radix = Res_value::COMPLEX_RADIX_23p0;
2810                shift = 23;
2811            }
2812            int32_t mantissa = (int32_t)(
2813                (bits>>shift) & Res_value::COMPLEX_MANTISSA_MASK);
2814            if (neg) {
2815                mantissa = (-mantissa) & Res_value::COMPLEX_MANTISSA_MASK;
2816            }
2817            outValue->data |=
2818                (radix<<Res_value::COMPLEX_RADIX_SHIFT)
2819                | (mantissa<<Res_value::COMPLEX_MANTISSA_SHIFT);
2820            //printf("Input value: %f 0x%016Lx, mult: %f, radix: %d, shift: %d, final: 0x%08x\n",
2821            //       f * (neg ? -1 : 1), bits, f*(1<<23),
2822            //       radix, shift, outValue->data);
2823            return true;
2824        }
2825        return false;
2826    }
2827
2828    while (*end != 0 && isspace((unsigned char)*end)) {
2829        end++;
2830    }
2831
2832    if (*end == 0) {
2833        if (outValue) {
2834            outValue->dataType = outValue->TYPE_FLOAT;
2835            *(float*)(&outValue->data) = f;
2836            return true;
2837        }
2838    }
2839
2840    return false;
2841}
2842
2843bool ResTable::stringToValue(Res_value* outValue, String16* outString,
2844                             const char16_t* s, size_t len,
2845                             bool preserveSpaces, bool coerceType,
2846                             uint32_t attrID,
2847                             const String16* defType,
2848                             const String16* defPackage,
2849                             Accessor* accessor,
2850                             void* accessorCookie,
2851                             uint32_t attrType,
2852                             bool enforcePrivate) const
2853{
2854    bool localizationSetting = accessor != NULL && accessor->getLocalizationSetting();
2855    const char* errorMsg = NULL;
2856
2857    outValue->size = sizeof(Res_value);
2858    outValue->res0 = 0;
2859
2860    // First strip leading/trailing whitespace.  Do this before handling
2861    // escapes, so they can be used to force whitespace into the string.
2862    if (!preserveSpaces) {
2863        while (len > 0 && isspace16(*s)) {
2864            s++;
2865            len--;
2866        }
2867        while (len > 0 && isspace16(s[len-1])) {
2868            len--;
2869        }
2870        // If the string ends with '\', then we keep the space after it.
2871        if (len > 0 && s[len-1] == '\\' && s[len] != 0) {
2872            len++;
2873        }
2874    }
2875
2876    //printf("Value for: %s\n", String8(s, len).string());
2877
2878    uint32_t l10nReq = ResTable_map::L10N_NOT_REQUIRED;
2879    uint32_t attrMin = 0x80000000, attrMax = 0x7fffffff;
2880    bool fromAccessor = false;
2881    if (attrID != 0 && !Res_INTERNALID(attrID)) {
2882        const ssize_t p = getResourcePackageIndex(attrID);
2883        const bag_entry* bag;
2884        ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1;
2885        //printf("For attr 0x%08x got bag of %d\n", attrID, cnt);
2886        if (cnt >= 0) {
2887            while (cnt > 0) {
2888                //printf("Entry 0x%08x = 0x%08x\n", bag->map.name.ident, bag->map.value.data);
2889                switch (bag->map.name.ident) {
2890                case ResTable_map::ATTR_TYPE:
2891                    attrType = bag->map.value.data;
2892                    break;
2893                case ResTable_map::ATTR_MIN:
2894                    attrMin = bag->map.value.data;
2895                    break;
2896                case ResTable_map::ATTR_MAX:
2897                    attrMax = bag->map.value.data;
2898                    break;
2899                case ResTable_map::ATTR_L10N:
2900                    l10nReq = bag->map.value.data;
2901                    break;
2902                }
2903                bag++;
2904                cnt--;
2905            }
2906            unlockBag(bag);
2907        } else if (accessor && accessor->getAttributeType(attrID, &attrType)) {
2908            fromAccessor = true;
2909            if (attrType == ResTable_map::TYPE_ENUM
2910                    || attrType == ResTable_map::TYPE_FLAGS
2911                    || attrType == ResTable_map::TYPE_INTEGER) {
2912                accessor->getAttributeMin(attrID, &attrMin);
2913                accessor->getAttributeMax(attrID, &attrMax);
2914            }
2915            if (localizationSetting) {
2916                l10nReq = accessor->getAttributeL10N(attrID);
2917            }
2918        }
2919    }
2920
2921    const bool canStringCoerce =
2922        coerceType && (attrType&ResTable_map::TYPE_STRING) != 0;
2923
2924    if (*s == '@') {
2925        outValue->dataType = outValue->TYPE_REFERENCE;
2926
2927        // Note: we don't check attrType here because the reference can
2928        // be to any other type; we just need to count on the client making
2929        // sure the referenced type is correct.
2930
2931        //printf("Looking up ref: %s\n", String8(s, len).string());
2932
2933        // It's a reference!
2934        if (len == 5 && s[1]=='n' && s[2]=='u' && s[3]=='l' && s[4]=='l') {
2935            outValue->data = 0;
2936            return true;
2937        } else {
2938            bool createIfNotFound = false;
2939            const char16_t* resourceRefName;
2940            int resourceNameLen;
2941            if (len > 2 && s[1] == '+') {
2942                createIfNotFound = true;
2943                resourceRefName = s + 2;
2944                resourceNameLen = len - 2;
2945            } else if (len > 2 && s[1] == '*') {
2946                enforcePrivate = false;
2947                resourceRefName = s + 2;
2948                resourceNameLen = len - 2;
2949            } else {
2950                createIfNotFound = false;
2951                resourceRefName = s + 1;
2952                resourceNameLen = len - 1;
2953            }
2954            String16 package, type, name;
2955            if (!expandResourceRef(resourceRefName,resourceNameLen, &package, &type, &name,
2956                                   defType, defPackage, &errorMsg)) {
2957                if (accessor != NULL) {
2958                    accessor->reportError(accessorCookie, errorMsg);
2959                }
2960                return false;
2961            }
2962
2963            uint32_t specFlags = 0;
2964            uint32_t rid = identifierForName(name.string(), name.size(), type.string(),
2965                    type.size(), package.string(), package.size(), &specFlags);
2966            if (rid != 0) {
2967                if (enforcePrivate) {
2968                    if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) {
2969                        if (accessor != NULL) {
2970                            accessor->reportError(accessorCookie, "Resource is not public.");
2971                        }
2972                        return false;
2973                    }
2974                }
2975                if (!accessor) {
2976                    outValue->data = rid;
2977                    return true;
2978                }
2979                rid = Res_MAKEID(
2980                    accessor->getRemappedPackage(Res_GETPACKAGE(rid)),
2981                    Res_GETTYPE(rid), Res_GETENTRY(rid));
2982                TABLE_NOISY(printf("Incl %s:%s/%s: 0x%08x\n",
2983                       String8(package).string(), String8(type).string(),
2984                       String8(name).string(), rid));
2985                outValue->data = rid;
2986                return true;
2987            }
2988
2989            if (accessor) {
2990                uint32_t rid = accessor->getCustomResourceWithCreation(package, type, name,
2991                                                                       createIfNotFound);
2992                if (rid != 0) {
2993                    TABLE_NOISY(printf("Pckg %s:%s/%s: 0x%08x\n",
2994                           String8(package).string(), String8(type).string(),
2995                           String8(name).string(), rid));
2996                    outValue->data = rid;
2997                    return true;
2998                }
2999            }
3000        }
3001
3002        if (accessor != NULL) {
3003            accessor->reportError(accessorCookie, "No resource found that matches the given name");
3004        }
3005        return false;
3006    }
3007
3008    // if we got to here, and localization is required and it's not a reference,
3009    // complain and bail.
3010    if (l10nReq == ResTable_map::L10N_SUGGESTED) {
3011        if (localizationSetting) {
3012            if (accessor != NULL) {
3013                accessor->reportError(accessorCookie, "This attribute must be localized.");
3014            }
3015        }
3016    }
3017
3018    if (*s == '#') {
3019        // It's a color!  Convert to an integer of the form 0xaarrggbb.
3020        uint32_t color = 0;
3021        bool error = false;
3022        if (len == 4) {
3023            outValue->dataType = outValue->TYPE_INT_COLOR_RGB4;
3024            color |= 0xFF000000;
3025            color |= get_hex(s[1], &error) << 20;
3026            color |= get_hex(s[1], &error) << 16;
3027            color |= get_hex(s[2], &error) << 12;
3028            color |= get_hex(s[2], &error) << 8;
3029            color |= get_hex(s[3], &error) << 4;
3030            color |= get_hex(s[3], &error);
3031        } else if (len == 5) {
3032            outValue->dataType = outValue->TYPE_INT_COLOR_ARGB4;
3033            color |= get_hex(s[1], &error) << 28;
3034            color |= get_hex(s[1], &error) << 24;
3035            color |= get_hex(s[2], &error) << 20;
3036            color |= get_hex(s[2], &error) << 16;
3037            color |= get_hex(s[3], &error) << 12;
3038            color |= get_hex(s[3], &error) << 8;
3039            color |= get_hex(s[4], &error) << 4;
3040            color |= get_hex(s[4], &error);
3041        } else if (len == 7) {
3042            outValue->dataType = outValue->TYPE_INT_COLOR_RGB8;
3043            color |= 0xFF000000;
3044            color |= get_hex(s[1], &error) << 20;
3045            color |= get_hex(s[2], &error) << 16;
3046            color |= get_hex(s[3], &error) << 12;
3047            color |= get_hex(s[4], &error) << 8;
3048            color |= get_hex(s[5], &error) << 4;
3049            color |= get_hex(s[6], &error);
3050        } else if (len == 9) {
3051            outValue->dataType = outValue->TYPE_INT_COLOR_ARGB8;
3052            color |= get_hex(s[1], &error) << 28;
3053            color |= get_hex(s[2], &error) << 24;
3054            color |= get_hex(s[3], &error) << 20;
3055            color |= get_hex(s[4], &error) << 16;
3056            color |= get_hex(s[5], &error) << 12;
3057            color |= get_hex(s[6], &error) << 8;
3058            color |= get_hex(s[7], &error) << 4;
3059            color |= get_hex(s[8], &error);
3060        } else {
3061            error = true;
3062        }
3063        if (!error) {
3064            if ((attrType&ResTable_map::TYPE_COLOR) == 0) {
3065                if (!canStringCoerce) {
3066                    if (accessor != NULL) {
3067                        accessor->reportError(accessorCookie,
3068                                "Color types not allowed");
3069                    }
3070                    return false;
3071                }
3072            } else {
3073                outValue->data = color;
3074                //printf("Color input=%s, output=0x%x\n", String8(s, len).string(), color);
3075                return true;
3076            }
3077        } else {
3078            if ((attrType&ResTable_map::TYPE_COLOR) != 0) {
3079                if (accessor != NULL) {
3080                    accessor->reportError(accessorCookie, "Color value not valid --"
3081                            " must be #rgb, #argb, #rrggbb, or #aarrggbb");
3082                }
3083                #if 0
3084                fprintf(stderr, "%s: Color ID %s value %s is not valid\n",
3085                        "Resource File", //(const char*)in->getPrintableSource(),
3086                        String8(*curTag).string(),
3087                        String8(s, len).string());
3088                #endif
3089                return false;
3090            }
3091        }
3092    }
3093
3094    if (*s == '?') {
3095        outValue->dataType = outValue->TYPE_ATTRIBUTE;
3096
3097        // Note: we don't check attrType here because the reference can
3098        // be to any other type; we just need to count on the client making
3099        // sure the referenced type is correct.
3100
3101        //printf("Looking up attr: %s\n", String8(s, len).string());
3102
3103        static const String16 attr16("attr");
3104        String16 package, type, name;
3105        if (!expandResourceRef(s+1, len-1, &package, &type, &name,
3106                               &attr16, defPackage, &errorMsg)) {
3107            if (accessor != NULL) {
3108                accessor->reportError(accessorCookie, errorMsg);
3109            }
3110            return false;
3111        }
3112
3113        //printf("Pkg: %s, Type: %s, Name: %s\n",
3114        //       String8(package).string(), String8(type).string(),
3115        //       String8(name).string());
3116        uint32_t specFlags = 0;
3117        uint32_t rid =
3118            identifierForName(name.string(), name.size(),
3119                              type.string(), type.size(),
3120                              package.string(), package.size(), &specFlags);
3121        if (rid != 0) {
3122            if (enforcePrivate) {
3123                if ((specFlags&ResTable_typeSpec::SPEC_PUBLIC) == 0) {
3124                    if (accessor != NULL) {
3125                        accessor->reportError(accessorCookie, "Attribute is not public.");
3126                    }
3127                    return false;
3128                }
3129            }
3130            if (!accessor) {
3131                outValue->data = rid;
3132                return true;
3133            }
3134            rid = Res_MAKEID(
3135                accessor->getRemappedPackage(Res_GETPACKAGE(rid)),
3136                Res_GETTYPE(rid), Res_GETENTRY(rid));
3137            //printf("Incl %s:%s/%s: 0x%08x\n",
3138            //       String8(package).string(), String8(type).string(),
3139            //       String8(name).string(), rid);
3140            outValue->data = rid;
3141            return true;
3142        }
3143
3144        if (accessor) {
3145            uint32_t rid = accessor->getCustomResource(package, type, name);
3146            if (rid != 0) {
3147                //printf("Mine %s:%s/%s: 0x%08x\n",
3148                //       String8(package).string(), String8(type).string(),
3149                //       String8(name).string(), rid);
3150                outValue->data = rid;
3151                return true;
3152            }
3153        }
3154
3155        if (accessor != NULL) {
3156            accessor->reportError(accessorCookie, "No resource found that matches the given name");
3157        }
3158        return false;
3159    }
3160
3161    if (stringToInt(s, len, outValue)) {
3162        if ((attrType&ResTable_map::TYPE_INTEGER) == 0) {
3163            // If this type does not allow integers, but does allow floats,
3164            // fall through on this error case because the float type should
3165            // be able to accept any integer value.
3166            if (!canStringCoerce && (attrType&ResTable_map::TYPE_FLOAT) == 0) {
3167                if (accessor != NULL) {
3168                    accessor->reportError(accessorCookie, "Integer types not allowed");
3169                }
3170                return false;
3171            }
3172        } else {
3173            if (((int32_t)outValue->data) < ((int32_t)attrMin)
3174                    || ((int32_t)outValue->data) > ((int32_t)attrMax)) {
3175                if (accessor != NULL) {
3176                    accessor->reportError(accessorCookie, "Integer value out of range");
3177                }
3178                return false;
3179            }
3180            return true;
3181        }
3182    }
3183
3184    if (stringToFloat(s, len, outValue)) {
3185        if (outValue->dataType == Res_value::TYPE_DIMENSION) {
3186            if ((attrType&ResTable_map::TYPE_DIMENSION) != 0) {
3187                return true;
3188            }
3189            if (!canStringCoerce) {
3190                if (accessor != NULL) {
3191                    accessor->reportError(accessorCookie, "Dimension types not allowed");
3192                }
3193                return false;
3194            }
3195        } else if (outValue->dataType == Res_value::TYPE_FRACTION) {
3196            if ((attrType&ResTable_map::TYPE_FRACTION) != 0) {
3197                return true;
3198            }
3199            if (!canStringCoerce) {
3200                if (accessor != NULL) {
3201                    accessor->reportError(accessorCookie, "Fraction types not allowed");
3202                }
3203                return false;
3204            }
3205        } else if ((attrType&ResTable_map::TYPE_FLOAT) == 0) {
3206            if (!canStringCoerce) {
3207                if (accessor != NULL) {
3208                    accessor->reportError(accessorCookie, "Float types not allowed");
3209                }
3210                return false;
3211            }
3212        } else {
3213            return true;
3214        }
3215    }
3216
3217    if (len == 4) {
3218        if ((s[0] == 't' || s[0] == 'T') &&
3219            (s[1] == 'r' || s[1] == 'R') &&
3220            (s[2] == 'u' || s[2] == 'U') &&
3221            (s[3] == 'e' || s[3] == 'E')) {
3222            if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) {
3223                if (!canStringCoerce) {
3224                    if (accessor != NULL) {
3225                        accessor->reportError(accessorCookie, "Boolean types not allowed");
3226                    }
3227                    return false;
3228                }
3229            } else {
3230                outValue->dataType = outValue->TYPE_INT_BOOLEAN;
3231                outValue->data = (uint32_t)-1;
3232                return true;
3233            }
3234        }
3235    }
3236
3237    if (len == 5) {
3238        if ((s[0] == 'f' || s[0] == 'F') &&
3239            (s[1] == 'a' || s[1] == 'A') &&
3240            (s[2] == 'l' || s[2] == 'L') &&
3241            (s[3] == 's' || s[3] == 'S') &&
3242            (s[4] == 'e' || s[4] == 'E')) {
3243            if ((attrType&ResTable_map::TYPE_BOOLEAN) == 0) {
3244                if (!canStringCoerce) {
3245                    if (accessor != NULL) {
3246                        accessor->reportError(accessorCookie, "Boolean types not allowed");
3247                    }
3248                    return false;
3249                }
3250            } else {
3251                outValue->dataType = outValue->TYPE_INT_BOOLEAN;
3252                outValue->data = 0;
3253                return true;
3254            }
3255        }
3256    }
3257
3258    if ((attrType&ResTable_map::TYPE_ENUM) != 0) {
3259        const ssize_t p = getResourcePackageIndex(attrID);
3260        const bag_entry* bag;
3261        ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1;
3262        //printf("Got %d for enum\n", cnt);
3263        if (cnt >= 0) {
3264            resource_name rname;
3265            while (cnt > 0) {
3266                if (!Res_INTERNALID(bag->map.name.ident)) {
3267                    //printf("Trying attr #%08x\n", bag->map.name.ident);
3268                    if (getResourceName(bag->map.name.ident, &rname)) {
3269                        #if 0
3270                        printf("Matching %s against %s (0x%08x)\n",
3271                               String8(s, len).string(),
3272                               String8(rname.name, rname.nameLen).string(),
3273                               bag->map.name.ident);
3274                        #endif
3275                        if (strzcmp16(s, len, rname.name, rname.nameLen) == 0) {
3276                            outValue->dataType = bag->map.value.dataType;
3277                            outValue->data = bag->map.value.data;
3278                            unlockBag(bag);
3279                            return true;
3280                        }
3281                    }
3282
3283                }
3284                bag++;
3285                cnt--;
3286            }
3287            unlockBag(bag);
3288        }
3289
3290        if (fromAccessor) {
3291            if (accessor->getAttributeEnum(attrID, s, len, outValue)) {
3292                return true;
3293            }
3294        }
3295    }
3296
3297    if ((attrType&ResTable_map::TYPE_FLAGS) != 0) {
3298        const ssize_t p = getResourcePackageIndex(attrID);
3299        const bag_entry* bag;
3300        ssize_t cnt = p >= 0 ? lockBag(attrID, &bag) : -1;
3301        //printf("Got %d for flags\n", cnt);
3302        if (cnt >= 0) {
3303            bool failed = false;
3304            resource_name rname;
3305            outValue->dataType = Res_value::TYPE_INT_HEX;
3306            outValue->data = 0;
3307            const char16_t* end = s + len;
3308            const char16_t* pos = s;
3309            while (pos < end && !failed) {
3310                const char16_t* start = pos;
3311                pos++;
3312                while (pos < end && *pos != '|') {
3313                    pos++;
3314                }
3315                //printf("Looking for: %s\n", String8(start, pos-start).string());
3316                const bag_entry* bagi = bag;
3317                ssize_t i;
3318                for (i=0; i<cnt; i++, bagi++) {
3319                    if (!Res_INTERNALID(bagi->map.name.ident)) {
3320                        //printf("Trying attr #%08x\n", bagi->map.name.ident);
3321                        if (getResourceName(bagi->map.name.ident, &rname)) {
3322                            #if 0
3323                            printf("Matching %s against %s (0x%08x)\n",
3324                                   String8(start,pos-start).string(),
3325                                   String8(rname.name, rname.nameLen).string(),
3326                                   bagi->map.name.ident);
3327                            #endif
3328                            if (strzcmp16(start, pos-start, rname.name, rname.nameLen) == 0) {
3329                                outValue->data |= bagi->map.value.data;
3330                                break;
3331                            }
3332                        }
3333                    }
3334                }
3335                if (i >= cnt) {
3336                    // Didn't find this flag identifier.
3337                    failed = true;
3338                }
3339                if (pos < end) {
3340                    pos++;
3341                }
3342            }
3343            unlockBag(bag);
3344            if (!failed) {
3345                //printf("Final flag value: 0x%lx\n", outValue->data);
3346                return true;
3347            }
3348        }
3349
3350
3351        if (fromAccessor) {
3352            if (accessor->getAttributeFlags(attrID, s, len, outValue)) {
3353                //printf("Final flag value: 0x%lx\n", outValue->data);
3354                return true;
3355            }
3356        }
3357    }
3358
3359    if ((attrType&ResTable_map::TYPE_STRING) == 0) {
3360        if (accessor != NULL) {
3361            accessor->reportError(accessorCookie, "String types not allowed");
3362        }
3363        return false;
3364    }
3365
3366    // Generic string handling...
3367    outValue->dataType = outValue->TYPE_STRING;
3368    if (outString) {
3369        bool failed = collectString(outString, s, len, preserveSpaces, &errorMsg);
3370        if (accessor != NULL) {
3371            accessor->reportError(accessorCookie, errorMsg);
3372        }
3373        return failed;
3374    }
3375
3376    return true;
3377}
3378
3379bool ResTable::collectString(String16* outString,
3380                             const char16_t* s, size_t len,
3381                             bool preserveSpaces,
3382                             const char** outErrorMsg,
3383                             bool append)
3384{
3385    String16 tmp;
3386
3387    char quoted = 0;
3388    const char16_t* p = s;
3389    while (p < (s+len)) {
3390        while (p < (s+len)) {
3391            const char16_t c = *p;
3392            if (c == '\\') {
3393                break;
3394            }
3395            if (!preserveSpaces) {
3396                if (quoted == 0 && isspace16(c)
3397                    && (c != ' ' || isspace16(*(p+1)))) {
3398                    break;
3399                }
3400                if (c == '"' && (quoted == 0 || quoted == '"')) {
3401                    break;
3402                }
3403                if (c == '\'' && (quoted == 0 || quoted == '\'')) {
3404                    /*
3405                     * In practice, when people write ' instead of \'
3406                     * in a string, they are doing it by accident
3407                     * instead of really meaning to use ' as a quoting
3408                     * character.  Warn them so they don't lose it.
3409                     */
3410                    if (outErrorMsg) {
3411                        *outErrorMsg = "Apostrophe not preceded by \\";
3412                    }
3413                    return false;
3414                }
3415            }
3416            p++;
3417        }
3418        if (p < (s+len)) {
3419            if (p > s) {
3420                tmp.append(String16(s, p-s));
3421            }
3422            if (!preserveSpaces && (*p == '"' || *p == '\'')) {
3423                if (quoted == 0) {
3424                    quoted = *p;
3425                } else {
3426                    quoted = 0;
3427                }
3428                p++;
3429            } else if (!preserveSpaces && isspace16(*p)) {
3430                // Space outside of a quote -- consume all spaces and
3431                // leave a single plain space char.
3432                tmp.append(String16(" "));
3433                p++;
3434                while (p < (s+len) && isspace16(*p)) {
3435                    p++;
3436                }
3437            } else if (*p == '\\') {
3438                p++;
3439                if (p < (s+len)) {
3440                    switch (*p) {
3441                    case 't':
3442                        tmp.append(String16("\t"));
3443                        break;
3444                    case 'n':
3445                        tmp.append(String16("\n"));
3446                        break;
3447                    case '#':
3448                        tmp.append(String16("#"));
3449                        break;
3450                    case '@':
3451                        tmp.append(String16("@"));
3452                        break;
3453                    case '?':
3454                        tmp.append(String16("?"));
3455                        break;
3456                    case '"':
3457                        tmp.append(String16("\""));
3458                        break;
3459                    case '\'':
3460                        tmp.append(String16("'"));
3461                        break;
3462                    case '\\':
3463                        tmp.append(String16("\\"));
3464                        break;
3465                    case 'u':
3466                    {
3467                        char16_t chr = 0;
3468                        int i = 0;
3469                        while (i < 4 && p[1] != 0) {
3470                            p++;
3471                            i++;
3472                            int c;
3473                            if (*p >= '0' && *p <= '9') {
3474                                c = *p - '0';
3475                            } else if (*p >= 'a' && *p <= 'f') {
3476                                c = *p - 'a' + 10;
3477                            } else if (*p >= 'A' && *p <= 'F') {
3478                                c = *p - 'A' + 10;
3479                            } else {
3480                                if (outErrorMsg) {
3481                                    *outErrorMsg = "Bad character in \\u unicode escape sequence";
3482                                }
3483                                return false;
3484                            }
3485                            chr = (chr<<4) | c;
3486                        }
3487                        tmp.append(String16(&chr, 1));
3488                    } break;
3489                    default:
3490                        // ignore unknown escape chars.
3491                        break;
3492                    }
3493                    p++;
3494                }
3495            }
3496            len -= (p-s);
3497            s = p;
3498        }
3499    }
3500
3501    if (tmp.size() != 0) {
3502        if (len > 0) {
3503            tmp.append(String16(s, len));
3504        }
3505        if (append) {
3506            outString->append(tmp);
3507        } else {
3508            outString->setTo(tmp);
3509        }
3510    } else {
3511        if (append) {
3512            outString->append(String16(s, len));
3513        } else {
3514            outString->setTo(s, len);
3515        }
3516    }
3517
3518    return true;
3519}
3520
3521size_t ResTable::getBasePackageCount() const
3522{
3523    if (mError != NO_ERROR) {
3524        return 0;
3525    }
3526    return mPackageGroups.size();
3527}
3528
3529const char16_t* ResTable::getBasePackageName(size_t idx) const
3530{
3531    if (mError != NO_ERROR) {
3532        return 0;
3533    }
3534    LOG_FATAL_IF(idx >= mPackageGroups.size(),
3535                 "Requested package index %d past package count %d",
3536                 (int)idx, (int)mPackageGroups.size());
3537    return mPackageGroups[idx]->name.string();
3538}
3539
3540uint32_t ResTable::getBasePackageId(size_t idx) const
3541{
3542    if (mError != NO_ERROR) {
3543        return 0;
3544    }
3545    LOG_FATAL_IF(idx >= mPackageGroups.size(),
3546                 "Requested package index %d past package count %d",
3547                 (int)idx, (int)mPackageGroups.size());
3548    return mPackageGroups[idx]->id;
3549}
3550
3551size_t ResTable::getTableCount() const
3552{
3553    return mHeaders.size();
3554}
3555
3556const ResStringPool* ResTable::getTableStringBlock(size_t index) const
3557{
3558    return &mHeaders[index]->values;
3559}
3560
3561void* ResTable::getTableCookie(size_t index) const
3562{
3563    return mHeaders[index]->cookie;
3564}
3565
3566void ResTable::getConfigurations(Vector<ResTable_config>* configs) const
3567{
3568    const size_t I = mPackageGroups.size();
3569    for (size_t i=0; i<I; i++) {
3570        const PackageGroup* packageGroup = mPackageGroups[i];
3571        const size_t J = packageGroup->packages.size();
3572        for (size_t j=0; j<J; j++) {
3573            const Package* package = packageGroup->packages[j];
3574            const size_t K = package->types.size();
3575            for (size_t k=0; k<K; k++) {
3576                const Type* type = package->types[k];
3577                if (type == NULL) continue;
3578                const size_t L = type->configs.size();
3579                for (size_t l=0; l<L; l++) {
3580                    const ResTable_type* config = type->configs[l];
3581                    const ResTable_config* cfg = &config->config;
3582                    // only insert unique
3583                    const size_t M = configs->size();
3584                    size_t m;
3585                    for (m=0; m<M; m++) {
3586                        if (0 == (*configs)[m].compare(*cfg)) {
3587                            break;
3588                        }
3589                    }
3590                    // if we didn't find it
3591                    if (m == M) {
3592                        configs->add(*cfg);
3593                    }
3594                }
3595            }
3596        }
3597    }
3598}
3599
3600void ResTable::getLocales(Vector<String8>* locales) const
3601{
3602    Vector<ResTable_config> configs;
3603    LOGD("calling getConfigurations");
3604    getConfigurations(&configs);
3605    LOGD("called getConfigurations size=%d", (int)configs.size());
3606    const size_t I = configs.size();
3607    for (size_t i=0; i<I; i++) {
3608        char locale[6];
3609        configs[i].getLocale(locale);
3610        const size_t J = locales->size();
3611        size_t j;
3612        for (j=0; j<J; j++) {
3613            if (0 == strcmp(locale, (*locales)[j].string())) {
3614                break;
3615            }
3616        }
3617        if (j == J) {
3618            locales->add(String8(locale));
3619        }
3620    }
3621}
3622
3623ssize_t ResTable::getEntry(
3624    const Package* package, int typeIndex, int entryIndex,
3625    const ResTable_config* config,
3626    const ResTable_type** outType, const ResTable_entry** outEntry,
3627    const Type** outTypeClass) const
3628{
3629    LOGV("Getting entry from package %p\n", package);
3630    const ResTable_package* const pkg = package->package;
3631
3632    const Type* allTypes = package->getType(typeIndex);
3633    LOGV("allTypes=%p\n", allTypes);
3634    if (allTypes == NULL) {
3635        LOGV("Skipping entry type index 0x%02x because type is NULL!\n", typeIndex);
3636        return 0;
3637    }
3638
3639    if ((size_t)entryIndex >= allTypes->entryCount) {
3640        LOGW("getEntry failing because entryIndex %d is beyond type entryCount %d",
3641            entryIndex, (int)allTypes->entryCount);
3642        return BAD_TYPE;
3643    }
3644
3645    const ResTable_type* type = NULL;
3646    uint32_t offset = ResTable_type::NO_ENTRY;
3647    ResTable_config bestConfig;
3648    memset(&bestConfig, 0, sizeof(bestConfig)); // make the compiler shut up
3649
3650    const size_t NT = allTypes->configs.size();
3651    for (size_t i=0; i<NT; i++) {
3652        const ResTable_type* const thisType = allTypes->configs[i];
3653        if (thisType == NULL) continue;
3654
3655        ResTable_config thisConfig;
3656        thisConfig.copyFromDtoH(thisType->config);
3657
3658        TABLE_GETENTRY(LOGI("Match entry 0x%x in type 0x%x (sz 0x%x): imsi:%d/%d=%d/%d lang:%c%c=%c%c cnt:%c%c=%c%c "
3659                            "orien:%d=%d touch:%d=%d density:%d=%d key:%d=%d inp:%d=%d nav:%d=%d w:%d=%d h:%d=%d\n",
3660                           entryIndex, typeIndex+1, dtohl(thisType->config.size),
3661                           thisConfig.mcc, thisConfig.mnc,
3662                           config ? config->mcc : 0, config ? config->mnc : 0,
3663                           thisConfig.language[0] ? thisConfig.language[0] : '-',
3664                           thisConfig.language[1] ? thisConfig.language[1] : '-',
3665                           config && config->language[0] ? config->language[0] : '-',
3666                           config && config->language[1] ? config->language[1] : '-',
3667                           thisConfig.country[0] ? thisConfig.country[0] : '-',
3668                           thisConfig.country[1] ? thisConfig.country[1] : '-',
3669                           config && config->country[0] ? config->country[0] : '-',
3670                           config && config->country[1] ? config->country[1] : '-',
3671                           thisConfig.orientation,
3672                           config ? config->orientation : 0,
3673                           thisConfig.touchscreen,
3674                           config ? config->touchscreen : 0,
3675                           thisConfig.density,
3676                           config ? config->density : 0,
3677                           thisConfig.keyboard,
3678                           config ? config->keyboard : 0,
3679                           thisConfig.inputFlags,
3680                           config ? config->inputFlags : 0,
3681                           thisConfig.navigation,
3682                           config ? config->navigation : 0,
3683                           thisConfig.screenWidth,
3684                           config ? config->screenWidth : 0,
3685                           thisConfig.screenHeight,
3686                           config ? config->screenHeight : 0));
3687
3688        // Check to make sure this one is valid for the current parameters.
3689        if (config && !thisConfig.match(*config)) {
3690            TABLE_GETENTRY(LOGI("Does not match config!\n"));
3691            continue;
3692        }
3693
3694        // Check if there is the desired entry in this type.
3695
3696        const uint8_t* const end = ((const uint8_t*)thisType)
3697            + dtohl(thisType->header.size);
3698        const uint32_t* const eindex = (const uint32_t*)
3699            (((const uint8_t*)thisType) + dtohs(thisType->header.headerSize));
3700
3701        uint32_t thisOffset = dtohl(eindex[entryIndex]);
3702        if (thisOffset == ResTable_type::NO_ENTRY) {
3703            TABLE_GETENTRY(LOGI("Skipping because it is not defined!\n"));
3704            continue;
3705        }
3706
3707        if (type != NULL) {
3708            // Check if this one is less specific than the last found.  If so,
3709            // we will skip it.  We check starting with things we most care
3710            // about to those we least care about.
3711            if (!thisConfig.isBetterThan(bestConfig, config)) {
3712                TABLE_GETENTRY(LOGI("This config is worse than last!\n"));
3713                continue;
3714            }
3715        }
3716
3717        type = thisType;
3718        offset = thisOffset;
3719        bestConfig = thisConfig;
3720        TABLE_GETENTRY(LOGI("Best entry so far -- using it!\n"));
3721        if (!config) break;
3722    }
3723
3724    if (type == NULL) {
3725        TABLE_GETENTRY(LOGI("No value found for requested entry!\n"));
3726        return BAD_INDEX;
3727    }
3728
3729    offset += dtohl(type->entriesStart);
3730    TABLE_NOISY(aout << "Looking in resource table " << package->header->header
3731          << ", typeOff="
3732          << (void*)(((const char*)type)-((const char*)package->header->header))
3733          << ", offset=" << (void*)offset << endl);
3734
3735    if (offset > (dtohl(type->header.size)-sizeof(ResTable_entry))) {
3736        LOGW("ResTable_entry at 0x%x is beyond type chunk data 0x%x",
3737             offset, dtohl(type->header.size));
3738        return BAD_TYPE;
3739    }
3740    if ((offset&0x3) != 0) {
3741        LOGW("ResTable_entry at 0x%x is not on an integer boundary",
3742             offset);
3743        return BAD_TYPE;
3744    }
3745
3746    const ResTable_entry* const entry = (const ResTable_entry*)
3747        (((const uint8_t*)type) + offset);
3748    if (dtohs(entry->size) < sizeof(*entry)) {
3749        LOGW("ResTable_entry size 0x%x is too small", dtohs(entry->size));
3750        return BAD_TYPE;
3751    }
3752
3753    *outType = type;
3754    *outEntry = entry;
3755    if (outTypeClass != NULL) {
3756        *outTypeClass = allTypes;
3757    }
3758    return offset + dtohs(entry->size);
3759}
3760
3761status_t ResTable::parsePackage(const ResTable_package* const pkg,
3762                                const Header* const header)
3763{
3764    const uint8_t* base = (const uint8_t*)pkg;
3765    status_t err = validate_chunk(&pkg->header, sizeof(*pkg),
3766                                  header->dataEnd, "ResTable_package");
3767    if (err != NO_ERROR) {
3768        return (mError=err);
3769    }
3770
3771    const size_t pkgSize = dtohl(pkg->header.size);
3772
3773    if (dtohl(pkg->typeStrings) >= pkgSize) {
3774        LOGW("ResTable_package type strings at %p are past chunk size %p.",
3775             (void*)dtohl(pkg->typeStrings), (void*)pkgSize);
3776        return (mError=BAD_TYPE);
3777    }
3778    if ((dtohl(pkg->typeStrings)&0x3) != 0) {
3779        LOGW("ResTable_package type strings at %p is not on an integer boundary.",
3780             (void*)dtohl(pkg->typeStrings));
3781        return (mError=BAD_TYPE);
3782    }
3783    if (dtohl(pkg->keyStrings) >= pkgSize) {
3784        LOGW("ResTable_package key strings at %p are past chunk size %p.",
3785             (void*)dtohl(pkg->keyStrings), (void*)pkgSize);
3786        return (mError=BAD_TYPE);
3787    }
3788    if ((dtohl(pkg->keyStrings)&0x3) != 0) {
3789        LOGW("ResTable_package key strings at %p is not on an integer boundary.",
3790             (void*)dtohl(pkg->keyStrings));
3791        return (mError=BAD_TYPE);
3792    }
3793
3794    Package* package = NULL;
3795    PackageGroup* group = NULL;
3796    uint32_t id = dtohl(pkg->id);
3797    if (id != 0 && id < 256) {
3798
3799        package = new Package(this, header, pkg);
3800        if (package == NULL) {
3801            return (mError=NO_MEMORY);
3802        }
3803
3804        size_t idx = mPackageMap[id];
3805        if (idx == 0) {
3806            idx = mPackageGroups.size()+1;
3807
3808            char16_t tmpName[sizeof(pkg->name)/sizeof(char16_t)];
3809            strcpy16_dtoh(tmpName, pkg->name, sizeof(pkg->name)/sizeof(char16_t));
3810            group = new PackageGroup(this, String16(tmpName), id);
3811            if (group == NULL) {
3812                delete package;
3813                return (mError=NO_MEMORY);
3814            }
3815
3816            err = package->typeStrings.setTo(base+dtohl(pkg->typeStrings),
3817                                           header->dataEnd-(base+dtohl(pkg->typeStrings)));
3818            if (err != NO_ERROR) {
3819                delete group;
3820                delete package;
3821                return (mError=err);
3822            }
3823            err = package->keyStrings.setTo(base+dtohl(pkg->keyStrings),
3824                                          header->dataEnd-(base+dtohl(pkg->keyStrings)));
3825            if (err != NO_ERROR) {
3826                delete group;
3827                delete package;
3828                return (mError=err);
3829            }
3830
3831            //printf("Adding new package id %d at index %d\n", id, idx);
3832            err = mPackageGroups.add(group);
3833            if (err < NO_ERROR) {
3834                return (mError=err);
3835            }
3836            group->basePackage = package;
3837
3838            mPackageMap[id] = (uint8_t)idx;
3839        } else {
3840            group = mPackageGroups.itemAt(idx-1);
3841            if (group == NULL) {
3842                return (mError=UNKNOWN_ERROR);
3843            }
3844        }
3845        err = group->packages.add(package);
3846        if (err < NO_ERROR) {
3847            return (mError=err);
3848        }
3849    } else {
3850        LOG_ALWAYS_FATAL("Skins not supported!");
3851        return NO_ERROR;
3852    }
3853
3854
3855    // Iterate through all chunks.
3856    size_t curPackage = 0;
3857
3858    const ResChunk_header* chunk =
3859        (const ResChunk_header*)(((const uint8_t*)pkg)
3860                                 + dtohs(pkg->header.headerSize));
3861    const uint8_t* endPos = ((const uint8_t*)pkg) + dtohs(pkg->header.size);
3862    while (((const uint8_t*)chunk) <= (endPos-sizeof(ResChunk_header)) &&
3863           ((const uint8_t*)chunk) <= (endPos-dtohl(chunk->size))) {
3864        TABLE_NOISY(LOGV("PackageChunk: type=0x%x, headerSize=0x%x, size=0x%x, pos=%p\n",
3865                         dtohs(chunk->type), dtohs(chunk->headerSize), dtohl(chunk->size),
3866                         (void*)(((const uint8_t*)chunk) - ((const uint8_t*)header->header))));
3867        const size_t csize = dtohl(chunk->size);
3868        const uint16_t ctype = dtohs(chunk->type);
3869        if (ctype == RES_TABLE_TYPE_SPEC_TYPE) {
3870            const ResTable_typeSpec* typeSpec = (const ResTable_typeSpec*)(chunk);
3871            err = validate_chunk(&typeSpec->header, sizeof(*typeSpec),
3872                                 endPos, "ResTable_typeSpec");
3873            if (err != NO_ERROR) {
3874                return (mError=err);
3875            }
3876
3877            const size_t typeSpecSize = dtohl(typeSpec->header.size);
3878
3879            LOAD_TABLE_NOISY(printf("TypeSpec off %p: type=0x%x, headerSize=0x%x, size=%p\n",
3880                                    (void*)(base-(const uint8_t*)chunk),
3881                                    dtohs(typeSpec->header.type),
3882                                    dtohs(typeSpec->header.headerSize),
3883                                    (void*)typeSize));
3884            // look for block overrun or int overflow when multiplying by 4
3885            if ((dtohl(typeSpec->entryCount) > (INT32_MAX/sizeof(uint32_t))
3886                    || dtohs(typeSpec->header.headerSize)+(sizeof(uint32_t)*dtohl(typeSpec->entryCount))
3887                    > typeSpecSize)) {
3888                LOGW("ResTable_typeSpec entry index to %p extends beyond chunk end %p.",
3889                     (void*)(dtohs(typeSpec->header.headerSize)
3890                             +(sizeof(uint32_t)*dtohl(typeSpec->entryCount))),
3891                     (void*)typeSpecSize);
3892                return (mError=BAD_TYPE);
3893            }
3894
3895            if (typeSpec->id == 0) {
3896                LOGW("ResTable_type has an id of 0.");
3897                return (mError=BAD_TYPE);
3898            }
3899
3900            while (package->types.size() < typeSpec->id) {
3901                package->types.add(NULL);
3902            }
3903            Type* t = package->types[typeSpec->id-1];
3904            if (t == NULL) {
3905                t = new Type(header, package, dtohl(typeSpec->entryCount));
3906                package->types.editItemAt(typeSpec->id-1) = t;
3907            } else if (dtohl(typeSpec->entryCount) != t->entryCount) {
3908                LOGW("ResTable_typeSpec entry count inconsistent: given %d, previously %d",
3909                    (int)dtohl(typeSpec->entryCount), (int)t->entryCount);
3910                return (mError=BAD_TYPE);
3911            }
3912            t->typeSpecFlags = (const uint32_t*)(
3913                    ((const uint8_t*)typeSpec) + dtohs(typeSpec->header.headerSize));
3914            t->typeSpec = typeSpec;
3915
3916        } else if (ctype == RES_TABLE_TYPE_TYPE) {
3917            const ResTable_type* type = (const ResTable_type*)(chunk);
3918            err = validate_chunk(&type->header, sizeof(*type)-sizeof(ResTable_config)+4,
3919                                 endPos, "ResTable_type");
3920            if (err != NO_ERROR) {
3921                return (mError=err);
3922            }
3923
3924            const size_t typeSize = dtohl(type->header.size);
3925
3926            LOAD_TABLE_NOISY(printf("Type off %p: type=0x%x, headerSize=0x%x, size=%p\n",
3927                                    (void*)(base-(const uint8_t*)chunk),
3928                                    dtohs(type->header.type),
3929                                    dtohs(type->header.headerSize),
3930                                    (void*)typeSize));
3931            if (dtohs(type->header.headerSize)+(sizeof(uint32_t)*dtohl(type->entryCount))
3932                > typeSize) {
3933                LOGW("ResTable_type entry index to %p extends beyond chunk end %p.",
3934                     (void*)(dtohs(type->header.headerSize)
3935                             +(sizeof(uint32_t)*dtohl(type->entryCount))),
3936                     (void*)typeSize);
3937                return (mError=BAD_TYPE);
3938            }
3939            if (dtohl(type->entryCount) != 0
3940                && dtohl(type->entriesStart) > (typeSize-sizeof(ResTable_entry))) {
3941                LOGW("ResTable_type entriesStart at %p extends beyond chunk end %p.",
3942                     (void*)dtohl(type->entriesStart), (void*)typeSize);
3943                return (mError=BAD_TYPE);
3944            }
3945            if (type->id == 0) {
3946                LOGW("ResTable_type has an id of 0.");
3947                return (mError=BAD_TYPE);
3948            }
3949
3950            while (package->types.size() < type->id) {
3951                package->types.add(NULL);
3952            }
3953            Type* t = package->types[type->id-1];
3954            if (t == NULL) {
3955                t = new Type(header, package, dtohl(type->entryCount));
3956                package->types.editItemAt(type->id-1) = t;
3957            } else if (dtohl(type->entryCount) != t->entryCount) {
3958                LOGW("ResTable_type entry count inconsistent: given %d, previously %d",
3959                    (int)dtohl(type->entryCount), (int)t->entryCount);
3960                return (mError=BAD_TYPE);
3961            }
3962
3963            TABLE_GETENTRY(
3964                ResTable_config thisConfig;
3965                thisConfig.copyFromDtoH(type->config);
3966                LOGI("Adding config to type %d: imsi:%d/%d lang:%c%c cnt:%c%c "
3967                     "orien:%d touch:%d density:%d key:%d inp:%d nav:%d w:%d h:%d\n",
3968                      type->id,
3969                      thisConfig.mcc, thisConfig.mnc,
3970                      thisConfig.language[0] ? thisConfig.language[0] : '-',
3971                      thisConfig.language[1] ? thisConfig.language[1] : '-',
3972                      thisConfig.country[0] ? thisConfig.country[0] : '-',
3973                      thisConfig.country[1] ? thisConfig.country[1] : '-',
3974                      thisConfig.orientation,
3975                      thisConfig.touchscreen,
3976                      thisConfig.density,
3977                      thisConfig.keyboard,
3978                      thisConfig.inputFlags,
3979                      thisConfig.navigation,
3980                      thisConfig.screenWidth,
3981                      thisConfig.screenHeight));
3982            t->configs.add(type);
3983        } else {
3984            status_t err = validate_chunk(chunk, sizeof(ResChunk_header),
3985                                          endPos, "ResTable_package:unknown");
3986            if (err != NO_ERROR) {
3987                return (mError=err);
3988            }
3989        }
3990        chunk = (const ResChunk_header*)
3991            (((const uint8_t*)chunk) + csize);
3992    }
3993
3994    if (group->typeCount == 0) {
3995        group->typeCount = package->types.size();
3996    }
3997
3998    return NO_ERROR;
3999}
4000
4001#ifndef HAVE_ANDROID_OS
4002#define CHAR16_TO_CSTR(c16, len) (String8(String16(c16,len)).string())
4003
4004#define CHAR16_ARRAY_EQ(constant, var, len) \
4005        ((len == (sizeof(constant)/sizeof(constant[0]))) && (0 == memcmp((var), (constant), (len))))
4006
4007void print_complex(uint32_t complex, bool isFraction)
4008{
4009    const float MANTISSA_MULT =
4010        1.0f / (1<<Res_value::COMPLEX_MANTISSA_SHIFT);
4011    const float RADIX_MULTS[] = {
4012        1.0f*MANTISSA_MULT, 1.0f/(1<<7)*MANTISSA_MULT,
4013        1.0f/(1<<15)*MANTISSA_MULT, 1.0f/(1<<23)*MANTISSA_MULT
4014    };
4015
4016    float value = (complex&(Res_value::COMPLEX_MANTISSA_MASK
4017                   <<Res_value::COMPLEX_MANTISSA_SHIFT))
4018            * RADIX_MULTS[(complex>>Res_value::COMPLEX_RADIX_SHIFT)
4019                            & Res_value::COMPLEX_RADIX_MASK];
4020    printf("%f", value);
4021
4022    if (!isFraction) {
4023        switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) {
4024            case Res_value::COMPLEX_UNIT_PX: printf("px"); break;
4025            case Res_value::COMPLEX_UNIT_DIP: printf("dp"); break;
4026            case Res_value::COMPLEX_UNIT_SP: printf("sp"); break;
4027            case Res_value::COMPLEX_UNIT_PT: printf("pt"); break;
4028            case Res_value::COMPLEX_UNIT_IN: printf("in"); break;
4029            case Res_value::COMPLEX_UNIT_MM: printf("mm"); break;
4030            default: printf(" (unknown unit)"); break;
4031        }
4032    } else {
4033        switch ((complex>>Res_value::COMPLEX_UNIT_SHIFT)&Res_value::COMPLEX_UNIT_MASK) {
4034            case Res_value::COMPLEX_UNIT_FRACTION: printf("%%"); break;
4035            case Res_value::COMPLEX_UNIT_FRACTION_PARENT: printf("%%p"); break;
4036            default: printf(" (unknown unit)"); break;
4037        }
4038    }
4039}
4040
4041void ResTable::print_value(const Package* pkg, const Res_value& value) const
4042{
4043    if (value.dataType == Res_value::TYPE_NULL) {
4044        printf("(null)\n");
4045    } else if (value.dataType == Res_value::TYPE_REFERENCE) {
4046        printf("(reference) 0x%08x\n", value.data);
4047    } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
4048        printf("(attribute) 0x%08x\n", value.data);
4049    } else if (value.dataType == Res_value::TYPE_STRING) {
4050        size_t len;
4051        const char* str8 = pkg->header->values.string8At(
4052                value.data, &len);
4053        if (str8 != NULL) {
4054            printf("(string8) \"%s\"\n", str8);
4055        } else {
4056            const char16_t* str16 = pkg->header->values.stringAt(
4057                    value.data, &len);
4058            if (str16 != NULL) {
4059                printf("(string16) \"%s\"\n",
4060                    String8(str16, len).string());
4061            } else {
4062                printf("(string) null\n");
4063            }
4064        }
4065    } else if (value.dataType == Res_value::TYPE_FLOAT) {
4066        printf("(float) %g\n", *(const float*)&value.data);
4067    } else if (value.dataType == Res_value::TYPE_DIMENSION) {
4068        printf("(dimension) ");
4069        print_complex(value.data, false);
4070        printf("\n");
4071    } else if (value.dataType == Res_value::TYPE_FRACTION) {
4072        printf("(fraction) ");
4073        print_complex(value.data, true);
4074        printf("\n");
4075    } else if (value.dataType >= Res_value::TYPE_FIRST_COLOR_INT
4076            || value.dataType <= Res_value::TYPE_LAST_COLOR_INT) {
4077        printf("(color) #%08x\n", value.data);
4078    } else if (value.dataType == Res_value::TYPE_INT_BOOLEAN) {
4079        printf("(boolean) %s\n", value.data ? "true" : "false");
4080    } else if (value.dataType >= Res_value::TYPE_FIRST_INT
4081            || value.dataType <= Res_value::TYPE_LAST_INT) {
4082        printf("(int) 0x%08x or %d\n", value.data, value.data);
4083    } else {
4084        printf("(unknown type) t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)\n",
4085               (int)value.dataType, (int)value.data,
4086               (int)value.size, (int)value.res0);
4087    }
4088}
4089
4090void ResTable::print(bool inclValues) const
4091{
4092    if (mError != 0) {
4093        printf("mError=0x%x (%s)\n", mError, strerror(mError));
4094    }
4095#if 0
4096    printf("mParams=%c%c-%c%c,\n",
4097            mParams.language[0], mParams.language[1],
4098            mParams.country[0], mParams.country[1]);
4099#endif
4100    size_t pgCount = mPackageGroups.size();
4101    printf("Package Groups (%d)\n", (int)pgCount);
4102    for (size_t pgIndex=0; pgIndex<pgCount; pgIndex++) {
4103        const PackageGroup* pg = mPackageGroups[pgIndex];
4104        printf("Package Group %d id=%d packageCount=%d name=%s\n",
4105                (int)pgIndex, pg->id, (int)pg->packages.size(),
4106                String8(pg->name).string());
4107
4108        size_t pkgCount = pg->packages.size();
4109        for (size_t pkgIndex=0; pkgIndex<pkgCount; pkgIndex++) {
4110            const Package* pkg = pg->packages[pkgIndex];
4111            size_t typeCount = pkg->types.size();
4112            printf("  Package %d id=%d name=%s typeCount=%d\n", (int)pkgIndex,
4113                    pkg->package->id, String8(String16(pkg->package->name)).string(),
4114                    (int)typeCount);
4115            for (size_t typeIndex=0; typeIndex<typeCount; typeIndex++) {
4116                const Type* typeConfigs = pkg->getType(typeIndex);
4117                if (typeConfigs == NULL) {
4118                    printf("    type %d NULL\n", (int)typeIndex);
4119                    continue;
4120                }
4121                const size_t NTC = typeConfigs->configs.size();
4122                printf("    type %d configCount=%d entryCount=%d\n",
4123                       (int)typeIndex, (int)NTC, (int)typeConfigs->entryCount);
4124                if (typeConfigs->typeSpecFlags != NULL) {
4125                    for (size_t entryIndex=0; entryIndex<typeConfigs->entryCount; entryIndex++) {
4126                        uint32_t resID = (0xff000000 & ((pkg->package->id)<<24))
4127                                    | (0x00ff0000 & ((typeIndex+1)<<16))
4128                                    | (0x0000ffff & (entryIndex));
4129                        resource_name resName;
4130                        this->getResourceName(resID, &resName);
4131                        printf("      spec resource 0x%08x %s:%s/%s: flags=0x%08x\n",
4132                            resID,
4133                            CHAR16_TO_CSTR(resName.package, resName.packageLen),
4134                            CHAR16_TO_CSTR(resName.type, resName.typeLen),
4135                            CHAR16_TO_CSTR(resName.name, resName.nameLen),
4136                            dtohl(typeConfigs->typeSpecFlags[entryIndex]));
4137                    }
4138                }
4139                for (size_t configIndex=0; configIndex<NTC; configIndex++) {
4140                    const ResTable_type* type = typeConfigs->configs[configIndex];
4141                    if ((((uint64_t)type)&0x3) != 0) {
4142                        printf("      NON-INTEGER ResTable_type ADDRESS: %p\n", type);
4143                        continue;
4144                    }
4145                    char density[16];
4146                    uint16_t dval = dtohs(type->config.density);
4147                    if (dval == ResTable_config::DENSITY_DEFAULT) {
4148                        strcpy(density, "def");
4149                    } else if (dval == ResTable_config::DENSITY_NONE) {
4150                        strcpy(density, "no");
4151                    } else {
4152                        sprintf(density, "%d", (int)dval);
4153                    }
4154                    printf("      config %d", (int)configIndex);
4155                    if (type->config.mcc != 0) {
4156                        printf(" mcc=%d", dtohs(type->config.mcc));
4157                    }
4158                    if (type->config.mnc != 0) {
4159                        printf(" mnc=%d", dtohs(type->config.mnc));
4160                    }
4161                    if (type->config.locale != 0) {
4162                        printf(" lang=%c%c cnt=%c%c",
4163                               type->config.language[0] ? type->config.language[0] : '-',
4164                               type->config.language[1] ? type->config.language[1] : '-',
4165                               type->config.country[0] ? type->config.country[0] : '-',
4166                               type->config.country[1] ? type->config.country[1] : '-');
4167                    }
4168                    if (type->config.screenLayout != 0) {
4169                        printf(" sz=%d",
4170                                type->config.screenLayout&ResTable_config::MASK_SCREENSIZE);
4171                        switch (type->config.screenLayout&ResTable_config::MASK_SCREENSIZE) {
4172                            case ResTable_config::SCREENSIZE_SMALL:
4173                                printf(" (small)");
4174                                break;
4175                            case ResTable_config::SCREENSIZE_NORMAL:
4176                                printf(" (normal)");
4177                                break;
4178                            case ResTable_config::SCREENSIZE_LARGE:
4179                                printf(" (large)");
4180                                break;
4181                        }
4182                        printf(" lng=%d",
4183                                type->config.screenLayout&ResTable_config::MASK_SCREENLONG);
4184                        switch (type->config.screenLayout&ResTable_config::MASK_SCREENLONG) {
4185                            case ResTable_config::SCREENLONG_NO:
4186                                printf(" (notlong)");
4187                                break;
4188                            case ResTable_config::SCREENLONG_YES:
4189                                printf(" (long)");
4190                                break;
4191                        }
4192                    }
4193                    if (type->config.orientation != 0) {
4194                        printf(" orient=%d", type->config.orientation);
4195                        switch (type->config.orientation) {
4196                            case ResTable_config::ORIENTATION_PORT:
4197                                printf(" (port)");
4198                                break;
4199                            case ResTable_config::ORIENTATION_LAND:
4200                                printf(" (land)");
4201                                break;
4202                            case ResTable_config::ORIENTATION_SQUARE:
4203                                printf(" (square)");
4204                                break;
4205                        }
4206                    }
4207                    if (type->config.uiMode != 0) {
4208                        printf(" type=%d",
4209                                type->config.uiMode&ResTable_config::MASK_UI_MODE_TYPE);
4210                        switch (type->config.uiMode&ResTable_config::MASK_UI_MODE_TYPE) {
4211                            case ResTable_config::UI_MODE_TYPE_NORMAL:
4212                                printf(" (normal)");
4213                                break;
4214                            case ResTable_config::UI_MODE_TYPE_CAR:
4215                                printf(" (car)");
4216                                break;
4217                        }
4218                        printf(" night=%d",
4219                                type->config.uiMode&ResTable_config::MASK_UI_MODE_NIGHT);
4220                        switch (type->config.uiMode&ResTable_config::MASK_UI_MODE_NIGHT) {
4221                            case ResTable_config::UI_MODE_NIGHT_NO:
4222                                printf(" (no)");
4223                                break;
4224                            case ResTable_config::UI_MODE_NIGHT_YES:
4225                                printf(" (yes)");
4226                                break;
4227                        }
4228                    }
4229                    if (dval != 0) {
4230                        printf(" density=%s", density);
4231                    }
4232                    if (type->config.touchscreen != 0) {
4233                        printf(" touch=%d", type->config.touchscreen);
4234                        switch (type->config.touchscreen) {
4235                            case ResTable_config::TOUCHSCREEN_NOTOUCH:
4236                                printf(" (notouch)");
4237                                break;
4238                            case ResTable_config::TOUCHSCREEN_STYLUS:
4239                                printf(" (stylus)");
4240                                break;
4241                            case ResTable_config::TOUCHSCREEN_FINGER:
4242                                printf(" (finger)");
4243                                break;
4244                        }
4245                    }
4246                    if (type->config.inputFlags != 0) {
4247                        printf(" keyhid=%d", type->config.inputFlags&ResTable_config::MASK_KEYSHIDDEN);
4248                        switch (type->config.inputFlags&ResTable_config::MASK_KEYSHIDDEN) {
4249                            case ResTable_config::KEYSHIDDEN_NO:
4250                                printf(" (no)");
4251                                break;
4252                            case ResTable_config::KEYSHIDDEN_YES:
4253                                printf(" (yes)");
4254                                break;
4255                            case ResTable_config::KEYSHIDDEN_SOFT:
4256                                printf(" (soft)");
4257                                break;
4258                        }
4259                        printf(" navhid=%d", type->config.inputFlags&ResTable_config::MASK_NAVHIDDEN);
4260                        switch (type->config.inputFlags&ResTable_config::MASK_NAVHIDDEN) {
4261                            case ResTable_config::NAVHIDDEN_NO:
4262                                printf(" (no)");
4263                                break;
4264                            case ResTable_config::NAVHIDDEN_YES:
4265                                printf(" (yes)");
4266                                break;
4267                        }
4268                    }
4269                    if (type->config.keyboard != 0) {
4270                        printf(" kbd=%d", type->config.keyboard);
4271                        switch (type->config.keyboard) {
4272                            case ResTable_config::KEYBOARD_NOKEYS:
4273                                printf(" (nokeys)");
4274                                break;
4275                            case ResTable_config::KEYBOARD_QWERTY:
4276                                printf(" (qwerty)");
4277                                break;
4278                            case ResTable_config::KEYBOARD_12KEY:
4279                                printf(" (12key)");
4280                                break;
4281                        }
4282                    }
4283                    if (type->config.navigation != 0) {
4284                        printf(" nav=%d", type->config.navigation);
4285                        switch (type->config.navigation) {
4286                            case ResTable_config::NAVIGATION_NONAV:
4287                                printf(" (nonav)");
4288                                break;
4289                            case ResTable_config::NAVIGATION_DPAD:
4290                                printf(" (dpad)");
4291                                break;
4292                            case ResTable_config::NAVIGATION_TRACKBALL:
4293                                printf(" (trackball)");
4294                                break;
4295                            case ResTable_config::NAVIGATION_WHEEL:
4296                                printf(" (wheel)");
4297                                break;
4298                        }
4299                    }
4300                    if (type->config.screenWidth != 0) {
4301                        printf(" w=%d", dtohs(type->config.screenWidth));
4302                    }
4303                    if (type->config.screenHeight != 0) {
4304                        printf(" h=%d", dtohs(type->config.screenHeight));
4305                    }
4306                    if (type->config.sdkVersion != 0) {
4307                        printf(" sdk=%d", dtohs(type->config.sdkVersion));
4308                    }
4309                    if (type->config.minorVersion != 0) {
4310                        printf(" mver=%d", dtohs(type->config.minorVersion));
4311                    }
4312                    printf("\n");
4313                    size_t entryCount = dtohl(type->entryCount);
4314                    uint32_t entriesStart = dtohl(type->entriesStart);
4315                    if ((entriesStart&0x3) != 0) {
4316                        printf("      NON-INTEGER ResTable_type entriesStart OFFSET: %p\n", (void*)entriesStart);
4317                        continue;
4318                    }
4319                    uint32_t typeSize = dtohl(type->header.size);
4320                    if ((typeSize&0x3) != 0) {
4321                        printf("      NON-INTEGER ResTable_type header.size: %p\n", (void*)typeSize);
4322                        continue;
4323                    }
4324                    for (size_t entryIndex=0; entryIndex<entryCount; entryIndex++) {
4325
4326                        const uint8_t* const end = ((const uint8_t*)type)
4327                            + dtohl(type->header.size);
4328                        const uint32_t* const eindex = (const uint32_t*)
4329                            (((const uint8_t*)type) + dtohs(type->header.headerSize));
4330
4331                        uint32_t thisOffset = dtohl(eindex[entryIndex]);
4332                        if (thisOffset == ResTable_type::NO_ENTRY) {
4333                            continue;
4334                        }
4335
4336                        uint32_t resID = (0xff000000 & ((pkg->package->id)<<24))
4337                                    | (0x00ff0000 & ((typeIndex+1)<<16))
4338                                    | (0x0000ffff & (entryIndex));
4339                        resource_name resName;
4340                        this->getResourceName(resID, &resName);
4341                        printf("        resource 0x%08x %s:%s/%s: ", resID,
4342                                CHAR16_TO_CSTR(resName.package, resName.packageLen),
4343                                CHAR16_TO_CSTR(resName.type, resName.typeLen),
4344                                CHAR16_TO_CSTR(resName.name, resName.nameLen));
4345                        if ((thisOffset&0x3) != 0) {
4346                            printf("NON-INTEGER OFFSET: %p\n", (void*)thisOffset);
4347                            continue;
4348                        }
4349                        if ((thisOffset+sizeof(ResTable_entry)) > typeSize) {
4350                            printf("OFFSET OUT OF BOUNDS: %p+%p (size is %p)\n",
4351                                   (void*)entriesStart, (void*)thisOffset,
4352                                   (void*)typeSize);
4353                            continue;
4354                        }
4355
4356                        const ResTable_entry* ent = (const ResTable_entry*)
4357                            (((const uint8_t*)type) + entriesStart + thisOffset);
4358                        if (((entriesStart + thisOffset)&0x3) != 0) {
4359                            printf("NON-INTEGER ResTable_entry OFFSET: %p\n",
4360                                 (void*)(entriesStart + thisOffset));
4361                            continue;
4362                        }
4363
4364                        uint16_t esize = dtohs(ent->size);
4365                        if ((esize&0x3) != 0) {
4366                            printf("NON-INTEGER ResTable_entry SIZE: %p\n", (void*)esize);
4367                            continue;
4368                        }
4369                        if ((thisOffset+esize) > typeSize) {
4370                            printf("ResTable_entry OUT OF BOUNDS: %p+%p+%p (size is %p)\n",
4371                                   (void*)entriesStart, (void*)thisOffset,
4372                                   (void*)esize, (void*)typeSize);
4373                            continue;
4374                        }
4375
4376                        const Res_value* valuePtr = NULL;
4377                        const ResTable_map_entry* bagPtr = NULL;
4378                        Res_value value;
4379                        if ((dtohs(ent->flags)&ResTable_entry::FLAG_COMPLEX) != 0) {
4380                            printf("<bag>");
4381                            bagPtr = (const ResTable_map_entry*)ent;
4382                        } else {
4383                            valuePtr = (const Res_value*)
4384                                (((const uint8_t*)ent) + esize);
4385                            value.copyFrom_dtoh(*valuePtr);
4386                            printf("t=0x%02x d=0x%08x (s=0x%04x r=0x%02x)",
4387                                   (int)value.dataType, (int)value.data,
4388                                   (int)value.size, (int)value.res0);
4389                        }
4390
4391                        if ((dtohs(ent->flags)&ResTable_entry::FLAG_PUBLIC) != 0) {
4392                            printf(" (PUBLIC)");
4393                        }
4394                        printf("\n");
4395
4396                        if (inclValues) {
4397                            if (valuePtr != NULL) {
4398                                printf("          ");
4399                                print_value(pkg, value);
4400                            } else if (bagPtr != NULL) {
4401                                const int N = dtohl(bagPtr->count);
4402                                const ResTable_map* mapPtr = (const ResTable_map*)
4403                                        (((const uint8_t*)ent) + esize);
4404                                printf("          Parent=0x%08x, Count=%d\n",
4405                                    dtohl(bagPtr->parent.ident), N);
4406                                for (int i=0; i<N; i++) {
4407                                    printf("          #%i (Key=0x%08x): ",
4408                                        i, dtohl(mapPtr->name.ident));
4409                                    value.copyFrom_dtoh(mapPtr->value);
4410                                    print_value(pkg, value);
4411                                    const size_t size = dtohs(mapPtr->value.size);
4412                                    mapPtr = (ResTable_map*)(((const uint8_t*)mapPtr)
4413                                            + size + sizeof(*mapPtr)-sizeof(mapPtr->value));
4414                                }
4415                            }
4416                        }
4417                    }
4418                }
4419            }
4420        }
4421    }
4422}
4423
4424#endif // HAVE_ANDROID_OS
4425
4426}   // namespace android
4427