XMLNode.cpp revision 729ffa299ca786eb21ba8330096b33c7bcd66fbf 
1//
2// Copyright 2006 The Android Open Source Project
3//
4// Build resource files from raw assets.
5//
6
7#include "XMLNode.h"
8#include "ResourceTable.h"
9#include "pseudolocalize.h"
10
11#include <utils/ByteOrder.h>
12#include <errno.h>
13#include <string.h>
14
15#ifndef HAVE_MS_C_RUNTIME
16#define O_BINARY 0
17#endif
18
19// SSIZE: mingw does not have signed size_t == ssize_t.
20// STATUST: mingw does seem to redefine UNKNOWN_ERROR from our enum value, so a cast is necessary.
21#if !defined(_WIN32)
22#  define SSIZE(x) x
23#  define STATUST(x) x
24#else
25#  define SSIZE(x) (signed size_t)x
26#  define STATUST(x) (status_t)x
27#endif
28
29// Set to true for noisy debug output.
30static const bool kIsDebug = false;
31// Set to true for noisy debug output of parsing.
32static const bool kIsDebugParse = false;
33
34#if PRINT_STRING_METRICS
35static const bool kPrintStringMetrics = true;
36#else
37static const bool kPrintStringMetrics = false;
38#endif
39
40const char* const RESOURCES_ROOT_NAMESPACE = "http://schemas.android.com/apk/res/";
41const char* const RESOURCES_ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
42const char* const RESOURCES_AUTO_PACKAGE_NAMESPACE = "http://schemas.android.com/apk/res-auto";
43const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
44
45const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
46const char* const ALLOWED_XLIFF_ELEMENTS[] = {
47        "bpt",
48        "ept",
49        "it",
50        "ph",
51        "g",
52        "bx",
53        "ex",
54        "x"
55    };
56
57bool isWhitespace(const char16_t* str)
58{
59    while (*str != 0 && *str < 128 && isspace(*str)) {
60        str++;
61    }
62    return *str == 0;
63}
64
65static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
66static const String16 RESOURCES_PREFIX_AUTO_PACKAGE(RESOURCES_AUTO_PACKAGE_NAMESPACE);
67static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
68static const String16 RESOURCES_TOOLS_NAMESPACE("http://schemas.android.com/tools");
69
70String16 getNamespaceResourcePackage(String16 appPackage, String16 namespaceUri, bool* outIsPublic)
71{
72    //printf("%s starts with %s?\n", String8(namespaceUri).string(),
73    //       String8(RESOURCES_PREFIX).string());
74    size_t prefixSize;
75    bool isPublic = true;
76    if(namespaceUri.startsWith(RESOURCES_PREFIX_AUTO_PACKAGE)) {
77        if (kIsDebug) {
78            printf("Using default application package: %s -> %s\n", String8(namespaceUri).string(),
79                   String8(appPackage).string());
80        }
81        isPublic = true;
82        return appPackage;
83    } else if (namespaceUri.startsWith(RESOURCES_PREFIX)) {
84        prefixSize = RESOURCES_PREFIX.size();
85    } else if (namespaceUri.startsWith(RESOURCES_PRV_PREFIX)) {
86        isPublic = false;
87        prefixSize = RESOURCES_PRV_PREFIX.size();
88    } else {
89        if (outIsPublic) *outIsPublic = isPublic; // = true
90        return String16();
91    }
92
93    //printf("YES!\n");
94    //printf("namespace: %s\n", String8(String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize)).string());
95    if (outIsPublic) *outIsPublic = isPublic;
96    return String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize);
97}
98
99status_t hasSubstitutionErrors(const char* fileName,
100                               ResXMLTree* inXml,
101                               String16 str16)
102{
103    const char16_t* str = str16.string();
104    const char16_t* p = str;
105    const char16_t* end = str + str16.size();
106
107    bool nonpositional = false;
108    int argCount = 0;
109
110    while (p < end) {
111        /*
112         * Look for the start of a Java-style substitution sequence.
113         */
114        if (*p == '%' && p + 1 < end) {
115            p++;
116
117            // A literal percent sign represented by %%
118            if (*p == '%') {
119                p++;
120                continue;
121            }
122
123            argCount++;
124
125            if (*p >= '0' && *p <= '9') {
126                do {
127                    p++;
128                } while (*p >= '0' && *p <= '9');
129                if (*p != '$') {
130                    // This must be a size specification instead of position.
131                    nonpositional = true;
132                }
133            } else if (*p == '<') {
134                // Reusing last argument; bad idea since it can be re-arranged.
135                nonpositional = true;
136                p++;
137
138                // Optionally '$' can be specified at the end.
139                if (p < end && *p == '$') {
140                    p++;
141                }
142            } else {
143                nonpositional = true;
144            }
145
146            // Ignore flags and widths
147            while (p < end && (*p == '-' ||
148                    *p == '#' ||
149                    *p == '+' ||
150                    *p == ' ' ||
151                    *p == ',' ||
152                    *p == '(' ||
153                    (*p >= '0' && *p <= '9'))) {
154                p++;
155            }
156
157            /*
158             * This is a shortcut to detect strings that are going to Time.format()
159             * instead of String.format()
160             *
161             * Comparison of String.format() and Time.format() args:
162             *
163             * String: ABC E GH  ST X abcdefgh  nost x
164             *   Time:    DEFGHKMS W Za  d   hkm  s w yz
165             *
166             * Therefore we know it's definitely Time if we have:
167             *     DFKMWZkmwyz
168             */
169            if (p < end) {
170                switch (*p) {
171                case 'D':
172                case 'F':
173                case 'K':
174                case 'M':
175                case 'W':
176                case 'Z':
177                case 'k':
178                case 'm':
179                case 'w':
180                case 'y':
181                case 'z':
182                    return NO_ERROR;
183                }
184            }
185        }
186
187        p++;
188    }
189
190    /*
191     * If we have more than one substitution in this string and any of them
192     * are not in positional form, give the user an error.
193     */
194    if (argCount > 1 && nonpositional) {
195        SourcePos(String8(fileName), inXml->getLineNumber()).error(
196                "Multiple substitutions specified in non-positional format; "
197                "did you mean to add the formatted=\"false\" attribute?\n");
198        return NOT_ENOUGH_DATA;
199    }
200
201    return NO_ERROR;
202}
203
204status_t parseStyledString(Bundle* /* bundle */,
205                           const char* fileName,
206                           ResXMLTree* inXml,
207                           const String16& endTag,
208                           String16* outString,
209                           Vector<StringPool::entry_style_span>* outSpans,
210                           bool isFormatted,
211                           PseudolocalizationMethod pseudolocalize)
212{
213    Vector<StringPool::entry_style_span> spanStack;
214    String16 curString;
215    String16 rawString;
216    Pseudolocalizer pseudo(pseudolocalize);
217    const char* errorMsg;
218    int xliffDepth = 0;
219    bool firstTime = true;
220
221    size_t len;
222    ResXMLTree::event_code_t code;
223    curString.append(pseudo.start());
224    while ((code=inXml->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
225        if (code == ResXMLTree::TEXT) {
226            String16 text(inXml->getText(&len));
227            if (firstTime && text.size() > 0) {
228                firstTime = false;
229                if (text.string()[0] == '@') {
230                    // If this is a resource reference, don't do the pseudoloc.
231                    pseudolocalize = NO_PSEUDOLOCALIZATION;
232                    pseudo.setMethod(pseudolocalize);
233                    curString = String16();
234                }
235            }
236            if (xliffDepth == 0 && pseudolocalize > 0) {
237                curString.append(pseudo.text(text));
238            } else {
239                if (isFormatted && hasSubstitutionErrors(fileName, inXml, text) != NO_ERROR) {
240                    return UNKNOWN_ERROR;
241                } else {
242                    curString.append(text);
243                }
244            }
245        } else if (code == ResXMLTree::START_TAG) {
246            const String16 element16(inXml->getElementName(&len));
247            const String8 element8(element16);
248
249            size_t nslen;
250            const char16_t* ns = inXml->getElementNamespace(&nslen);
251            if (ns == NULL) {
252                ns = (const char16_t*)"\0\0";
253                nslen = 0;
254            }
255            const String8 nspace(String16(ns, nslen));
256            if (nspace == XLIFF_XMLNS) {
257                const int N = sizeof(ALLOWED_XLIFF_ELEMENTS)/sizeof(ALLOWED_XLIFF_ELEMENTS[0]);
258                for (int i=0; i<N; i++) {
259                    if (element8 == ALLOWED_XLIFF_ELEMENTS[i]) {
260                        xliffDepth++;
261                        // in this case, treat it like it was just text, in other words, do nothing
262                        // here and silently drop this element
263                        goto moveon;
264                    }
265                }
266                {
267                    SourcePos(String8(fileName), inXml->getLineNumber()).error(
268                            "Found unsupported XLIFF tag <%s>\n",
269                            element8.string());
270                    return UNKNOWN_ERROR;
271                }
272moveon:
273                continue;
274            }
275
276            if (outSpans == NULL) {
277                SourcePos(String8(fileName), inXml->getLineNumber()).error(
278                        "Found style tag <%s> where styles are not allowed\n", element8.string());
279                return UNKNOWN_ERROR;
280            }
281
282            if (!ResTable::collectString(outString, curString.string(),
283                                         curString.size(), false, &errorMsg, true)) {
284                SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
285                        errorMsg, String8(curString).string());
286                return UNKNOWN_ERROR;
287            }
288            rawString.append(curString);
289            curString = String16();
290
291            StringPool::entry_style_span span;
292            span.name = element16;
293            for (size_t ai=0; ai<inXml->getAttributeCount(); ai++) {
294                span.name.append(String16(";"));
295                const char16_t* str = inXml->getAttributeName(ai, &len);
296                span.name.append(str, len);
297                span.name.append(String16("="));
298                str = inXml->getAttributeStringValue(ai, &len);
299                span.name.append(str, len);
300            }
301            //printf("Span: %s\n", String8(span.name).string());
302            span.span.firstChar = span.span.lastChar = outString->size();
303            spanStack.push(span);
304
305        } else if (code == ResXMLTree::END_TAG) {
306            size_t nslen;
307            const char16_t* ns = inXml->getElementNamespace(&nslen);
308            if (ns == NULL) {
309                ns = (const char16_t*)"\0\0";
310                nslen = 0;
311            }
312            const String8 nspace(String16(ns, nslen));
313            if (nspace == XLIFF_XMLNS) {
314                xliffDepth--;
315                continue;
316            }
317            if (!ResTable::collectString(outString, curString.string(),
318                                         curString.size(), false, &errorMsg, true)) {
319                SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
320                        errorMsg, String8(curString).string());
321                return UNKNOWN_ERROR;
322            }
323            rawString.append(curString);
324            curString = String16();
325
326            if (spanStack.size() == 0) {
327                if (strcmp16(inXml->getElementName(&len), endTag.string()) != 0) {
328                    SourcePos(String8(fileName), inXml->getLineNumber()).error(
329                            "Found tag %s where <%s> close is expected\n",
330                            String8(inXml->getElementName(&len)).string(),
331                            String8(endTag).string());
332                    return UNKNOWN_ERROR;
333                }
334                break;
335            }
336            StringPool::entry_style_span span = spanStack.top();
337            String16 spanTag;
338            ssize_t semi = span.name.findFirst(';');
339            if (semi >= 0) {
340                spanTag.setTo(span.name.string(), semi);
341            } else {
342                spanTag.setTo(span.name);
343            }
344            if (strcmp16(inXml->getElementName(&len), spanTag.string()) != 0) {
345                SourcePos(String8(fileName), inXml->getLineNumber()).error(
346                        "Found close tag %s where close tag %s is expected\n",
347                        String8(inXml->getElementName(&len)).string(),
348                        String8(spanTag).string());
349                return UNKNOWN_ERROR;
350            }
351            bool empty = true;
352            if (outString->size() > 0) {
353                span.span.lastChar = outString->size()-1;
354                if (span.span.lastChar >= span.span.firstChar) {
355                    empty = false;
356                    outSpans->add(span);
357                }
358            }
359            spanStack.pop();
360
361            /*
362             * This warning seems to be just an irritation to most people,
363             * since it is typically introduced by translators who then never
364             * see the warning.
365             */
366            if (0 && empty) {
367                fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
368                        fileName, inXml->getLineNumber(),
369                        String8(spanTag).string(), String8(*outString).string());
370
371            }
372        } else if (code == ResXMLTree::START_NAMESPACE) {
373            // nothing
374        }
375    }
376
377    curString.append(pseudo.end());
378
379    if (code == ResXMLTree::BAD_DOCUMENT) {
380            SourcePos(String8(fileName), inXml->getLineNumber()).error(
381                    "Error parsing XML\n");
382    }
383
384    if (outSpans != NULL && outSpans->size() > 0) {
385        if (curString.size() > 0) {
386            if (!ResTable::collectString(outString, curString.string(),
387                                         curString.size(), false, &errorMsg, true)) {
388                SourcePos(String8(fileName), inXml->getLineNumber()).error(
389                        "%s (in %s)\n",
390                        errorMsg, String8(curString).string());
391                return UNKNOWN_ERROR;
392            }
393        }
394    } else {
395        // There is no style information, so string processing will happen
396        // later as part of the overall type conversion.  Return to the
397        // client the raw unprocessed text.
398        rawString.append(curString);
399        outString->setTo(rawString);
400    }
401
402    return NO_ERROR;
403}
404
405struct namespace_entry {
406    String8 prefix;
407    String8 uri;
408};
409
410static String8 make_prefix(int depth)
411{
412    String8 prefix;
413    int i;
414    for (i=0; i<depth; i++) {
415        prefix.append("  ");
416    }
417    return prefix;
418}
419
420static String8 build_namespace(const Vector<namespace_entry>& namespaces,
421        const char16_t* ns)
422{
423    String8 str;
424    if (ns != NULL) {
425        str = String8(ns);
426        const size_t N = namespaces.size();
427        for (size_t i=0; i<N; i++) {
428            const namespace_entry& ne = namespaces.itemAt(i);
429            if (ne.uri == str) {
430                str = ne.prefix;
431                break;
432            }
433        }
434        str.append(":");
435    }
436    return str;
437}
438
439void printXMLBlock(ResXMLTree* block)
440{
441    block->restart();
442
443    Vector<namespace_entry> namespaces;
444
445    ResXMLTree::event_code_t code;
446    int depth = 0;
447    while ((code=block->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
448        String8 prefix = make_prefix(depth);
449        int i;
450        if (code == ResXMLTree::START_TAG) {
451            size_t len;
452            const char16_t* ns16 = block->getElementNamespace(&len);
453            String8 elemNs = build_namespace(namespaces, ns16);
454            const char16_t* com16 = block->getComment(&len);
455            if (com16) {
456                printf("%s <!-- %s -->\n", prefix.string(), String8(com16).string());
457            }
458            printf("%sE: %s%s (line=%d)\n", prefix.string(), elemNs.string(),
459                   String8(block->getElementName(&len)).string(),
460                   block->getLineNumber());
461            int N = block->getAttributeCount();
462            depth++;
463            prefix = make_prefix(depth);
464            for (i=0; i<N; i++) {
465                uint32_t res = block->getAttributeNameResID(i);
466                ns16 = block->getAttributeNamespace(i, &len);
467                String8 ns = build_namespace(namespaces, ns16);
468                String8 name(block->getAttributeName(i, &len));
469                printf("%sA: ", prefix.string());
470                if (res) {
471                    printf("%s%s(0x%08x)", ns.string(), name.string(), res);
472                } else {
473                    printf("%s%s", ns.string(), name.string());
474                }
475                Res_value value;
476                block->getAttributeValue(i, &value);
477                if (value.dataType == Res_value::TYPE_NULL) {
478                    printf("=(null)");
479                } else if (value.dataType == Res_value::TYPE_REFERENCE) {
480                    printf("=@0x%x", (int)value.data);
481                } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
482                    printf("=?0x%x", (int)value.data);
483                } else if (value.dataType == Res_value::TYPE_STRING) {
484                    printf("=\"%s\"",
485                            ResTable::normalizeForOutput(String8(block->getAttributeStringValue(i,
486                                        &len)).string()).string());
487                } else {
488                    printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
489                }
490                const char16_t* val = block->getAttributeStringValue(i, &len);
491                if (val != NULL) {
492                    printf(" (Raw: \"%s\")", ResTable::normalizeForOutput(String8(val).string()).
493                            string());
494                }
495                printf("\n");
496            }
497        } else if (code == ResXMLTree::END_TAG) {
498            // Invalid tag nesting can be misused to break the parsing
499            // code below. Break if detected.
500            if (--depth < 0) {
501                printf("***BAD DEPTH in XMLBlock: %d\n", depth);
502                break;
503            }
504        } else if (code == ResXMLTree::START_NAMESPACE) {
505            namespace_entry ns;
506            size_t len;
507            const char16_t* prefix16 = block->getNamespacePrefix(&len);
508            if (prefix16) {
509                ns.prefix = String8(prefix16);
510            } else {
511                ns.prefix = "<DEF>";
512            }
513            ns.uri = String8(block->getNamespaceUri(&len));
514            namespaces.push(ns);
515            printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
516                    ns.uri.string());
517            depth++;
518        } else if (code == ResXMLTree::END_NAMESPACE) {
519            if (--depth < 0) {
520                printf("***BAD DEPTH in XMLBlock: %d\n", depth);
521                break;
522            }
523            const namespace_entry& ns = namespaces.top();
524            size_t len;
525            const char16_t* prefix16 = block->getNamespacePrefix(&len);
526            String8 pr;
527            if (prefix16) {
528                pr = String8(prefix16);
529            } else {
530                pr = "<DEF>";
531            }
532            if (ns.prefix != pr) {
533                prefix = make_prefix(depth);
534                printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
535                        prefix.string(), pr.string(), ns.prefix.string());
536            }
537            String8 uri = String8(block->getNamespaceUri(&len));
538            if (ns.uri != uri) {
539                prefix = make_prefix(depth);
540                printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
541                        prefix.string(), uri.string(), ns.uri.string());
542            }
543            namespaces.pop();
544        } else if (code == ResXMLTree::TEXT) {
545            size_t len;
546            printf("%sC: \"%s\"\n", prefix.string(),
547                    ResTable::normalizeForOutput(String8(block->getText(&len)).string()).string());
548        }
549    }
550
551    block->restart();
552}
553
554status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
555                          bool stripAll, bool keepComments,
556                          const char** cDataTags)
557{
558    sp<XMLNode> root = XMLNode::parse(file);
559    if (root == NULL) {
560        return UNKNOWN_ERROR;
561    }
562    root->removeWhitespace(stripAll, cDataTags);
563
564    if (kIsDebug) {
565        printf("Input XML from %s:\n", (const char*)file->getPrintableSource());
566        root->print();
567    }
568    sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
569    status_t err = root->flatten(rsc, !keepComments, false);
570    if (err != NO_ERROR) {
571        return err;
572    }
573    err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
574    if (err != NO_ERROR) {
575        return err;
576    }
577
578    if (kIsDebug) {
579        printf("Output XML:\n");
580        printXMLBlock(outTree);
581    }
582
583    return NO_ERROR;
584}
585
586sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
587{
588    char buf[16384];
589    int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
590    if (fd < 0) {
591        SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
592                strerror(errno));
593        return NULL;
594    }
595
596    XML_Parser parser = XML_ParserCreateNS(NULL, 1);
597    ParseState state;
598    state.filename = file->getPrintableSource();
599    state.parser = parser;
600    XML_SetUserData(parser, &state);
601    XML_SetElementHandler(parser, startElement, endElement);
602    XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
603    XML_SetCharacterDataHandler(parser, characterData);
604    XML_SetCommentHandler(parser, commentData);
605
606    ssize_t len;
607    bool done;
608    do {
609        len = read(fd, buf, sizeof(buf));
610        done = len < (ssize_t)sizeof(buf);
611        if (len < 0) {
612            SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
613            close(fd);
614            return NULL;
615        }
616        if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
617            SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
618                    "Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
619            close(fd);
620            return NULL;
621        }
622    } while (!done);
623
624    XML_ParserFree(parser);
625    if (state.root == NULL) {
626        SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
627    }
628    close(fd);
629    return state.root;
630}
631
632XMLNode::XMLNode()
633    : mNextAttributeIndex(0x80000000)
634    , mStartLineNumber(0)
635    , mEndLineNumber(0)
636    , mUTF8(false) {}
637
638XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
639    : mNextAttributeIndex(0x80000000)
640    , mFilename(filename)
641    , mStartLineNumber(0)
642    , mEndLineNumber(0)
643    , mUTF8(false)
644{
645    if (isNamespace) {
646        mNamespacePrefix = s1;
647        mNamespaceUri = s2;
648    } else {
649        mNamespaceUri = s1;
650        mElementName = s2;
651    }
652}
653
654XMLNode::XMLNode(const String8& filename)
655    : mFilename(filename)
656{
657    memset(&mCharsValue, 0, sizeof(mCharsValue));
658}
659
660XMLNode::type XMLNode::getType() const
661{
662    if (mElementName.size() != 0) {
663        return TYPE_ELEMENT;
664    }
665    if (mNamespaceUri.size() != 0) {
666        return TYPE_NAMESPACE;
667    }
668    return TYPE_CDATA;
669}
670
671const String16& XMLNode::getNamespacePrefix() const
672{
673    return mNamespacePrefix;
674}
675
676const String16& XMLNode::getNamespaceUri() const
677{
678    return mNamespaceUri;
679}
680
681const String16& XMLNode::getElementNamespace() const
682{
683    return mNamespaceUri;
684}
685
686const String16& XMLNode::getElementName() const
687{
688    return mElementName;
689}
690
691const Vector<sp<XMLNode> >& XMLNode::getChildren() const
692{
693    return mChildren;
694}
695
696const String8& XMLNode::getFilename() const
697{
698    return mFilename;
699}
700
701const Vector<XMLNode::attribute_entry>&
702    XMLNode::getAttributes() const
703{
704    return mAttributes;
705}
706
707const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
708        const String16& name) const
709{
710    for (size_t i=0; i<mAttributes.size(); i++) {
711        const attribute_entry& ae(mAttributes.itemAt(i));
712        if (ae.ns == ns && ae.name == name) {
713            return &ae;
714        }
715    }
716
717    return NULL;
718}
719
720XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
721        const String16& name)
722{
723    for (size_t i=0; i<mAttributes.size(); i++) {
724        attribute_entry * ae = &mAttributes.editItemAt(i);
725        if (ae->ns == ns && ae->name == name) {
726            return ae;
727        }
728    }
729
730    return NULL;
731}
732
733const String16& XMLNode::getCData() const
734{
735    return mChars;
736}
737
738const String16& XMLNode::getComment() const
739{
740    return mComment;
741}
742
743int32_t XMLNode::getStartLineNumber() const
744{
745    return mStartLineNumber;
746}
747
748int32_t XMLNode::getEndLineNumber() const
749{
750    return mEndLineNumber;
751}
752
753sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
754{
755    if (getType() == XMLNode::TYPE_ELEMENT
756            && mNamespaceUri == tagNamespace
757            && mElementName == tagName) {
758        return this;
759    }
760
761    for (size_t i=0; i<mChildren.size(); i++) {
762        sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
763        if (found != NULL) {
764            return found;
765        }
766    }
767
768    return NULL;
769}
770
771sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
772{
773    for (size_t i=0; i<mChildren.size(); i++) {
774        sp<XMLNode> child = mChildren.itemAt(i);
775        if (child->getType() == XMLNode::TYPE_ELEMENT
776                && child->mNamespaceUri == tagNamespace
777                && child->mElementName == tagName) {
778            return child;
779        }
780    }
781
782    return NULL;
783}
784
785status_t XMLNode::addChild(const sp<XMLNode>& child)
786{
787    if (getType() == TYPE_CDATA) {
788        SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
789        return UNKNOWN_ERROR;
790    }
791    //printf("Adding child %p to parent %p\n", child.get(), this);
792    mChildren.add(child);
793    return NO_ERROR;
794}
795
796status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
797{
798    if (getType() == TYPE_CDATA) {
799        SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
800        return UNKNOWN_ERROR;
801    }
802    //printf("Adding child %p to parent %p\n", child.get(), this);
803    mChildren.insertAt(child, index);
804    return NO_ERROR;
805}
806
807status_t XMLNode::addAttribute(const String16& ns, const String16& name,
808                               const String16& value)
809{
810    if (getType() == TYPE_CDATA) {
811        SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
812        return UNKNOWN_ERROR;
813    }
814
815    if (ns != RESOURCES_TOOLS_NAMESPACE) {
816        attribute_entry e;
817        e.index = mNextAttributeIndex++;
818        e.ns = ns;
819        e.name = name;
820        e.string = value;
821        mAttributes.add(e);
822        mAttributeOrder.add(e.index, mAttributes.size()-1);
823    }
824    return NO_ERROR;
825}
826
827status_t XMLNode::removeAttribute(size_t index)
828{
829    if (getType() == TYPE_CDATA) {
830        return UNKNOWN_ERROR;
831    }
832
833    if (index >= mAttributes.size()) {
834        return UNKNOWN_ERROR;
835    }
836
837    const attribute_entry& e = mAttributes[index];
838    const uint32_t key = e.nameResId ? e.nameResId : e.index;
839    mAttributeOrder.removeItem(key);
840    mAttributes.removeAt(index);
841
842    // Shift all the indices.
843    const size_t attrCount = mAttributeOrder.size();
844    for (size_t i = 0; i < attrCount; i++) {
845        size_t attrIdx = mAttributeOrder[i];
846        if (attrIdx > index) {
847            mAttributeOrder.replaceValueAt(i, attrIdx - 1);
848        }
849    }
850    return NO_ERROR;
851}
852
853void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
854{
855    attribute_entry& e = mAttributes.editItemAt(attrIdx);
856    if (e.nameResId) {
857        mAttributeOrder.removeItem(e.nameResId);
858    } else {
859        mAttributeOrder.removeItem(e.index);
860    }
861    if (kIsDebug) {
862        printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
863                String8(getElementName()).string(),
864                String8(mAttributes.itemAt(attrIdx).name).string(),
865                String8(mAttributes.itemAt(attrIdx).string).string(),
866                resId);
867    }
868    mAttributes.editItemAt(attrIdx).nameResId = resId;
869    mAttributeOrder.add(resId, attrIdx);
870}
871
872status_t XMLNode::appendChars(const String16& chars)
873{
874    if (getType() != TYPE_CDATA) {
875        SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
876        return UNKNOWN_ERROR;
877    }
878    mChars.append(chars);
879    return NO_ERROR;
880}
881
882status_t XMLNode::appendComment(const String16& comment)
883{
884    if (mComment.size() > 0) {
885        mComment.append(String16("\n"));
886    }
887    mComment.append(comment);
888    return NO_ERROR;
889}
890
891void XMLNode::setStartLineNumber(int32_t line)
892{
893    mStartLineNumber = line;
894}
895
896void XMLNode::setEndLineNumber(int32_t line)
897{
898    mEndLineNumber = line;
899}
900
901void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
902{
903    //printf("Removing whitespace in %s\n", String8(mElementName).string());
904    size_t N = mChildren.size();
905    if (cDataTags) {
906        String8 tag(mElementName);
907        const char** p = cDataTags;
908        while (*p) {
909            if (tag == *p) {
910                stripAll = false;
911                break;
912            }
913        }
914    }
915    for (size_t i=0; i<N; i++) {
916        sp<XMLNode> node = mChildren.itemAt(i);
917        if (node->getType() == TYPE_CDATA) {
918            // This is a CDATA node...
919            const char16_t* p = node->mChars.string();
920            while (*p != 0 && *p < 128 && isspace(*p)) {
921                p++;
922            }
923            //printf("Space ends at %d in \"%s\"\n",
924            //       (int)(p-node->mChars.string()),
925            //       String8(node->mChars).string());
926            if (*p == 0) {
927                if (stripAll) {
928                    // Remove this node!
929                    mChildren.removeAt(i);
930                    N--;
931                    i--;
932                } else {
933                    node->mChars = String16(" ");
934                }
935            } else {
936                // Compact leading/trailing whitespace.
937                const char16_t* e = node->mChars.string()+node->mChars.size()-1;
938                while (e > p && *e < 128 && isspace(*e)) {
939                    e--;
940                }
941                if (p > node->mChars.string()) {
942                    p--;
943                }
944                if (e < (node->mChars.string()+node->mChars.size()-1)) {
945                    e++;
946                }
947                if (p > node->mChars.string() ||
948                    e < (node->mChars.string()+node->mChars.size()-1)) {
949                    String16 tmp(p, e-p+1);
950                    node->mChars = tmp;
951                }
952            }
953        } else {
954            node->removeWhitespace(stripAll, cDataTags);
955        }
956    }
957}
958
959status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
960                              ResourceTable* table)
961{
962    bool hasErrors = false;
963
964    if (getType() == TYPE_ELEMENT) {
965        const size_t N = mAttributes.size();
966        String16 defPackage(assets->getPackage());
967        for (size_t i=0; i<N; i++) {
968            attribute_entry& e = mAttributes.editItemAt(i);
969            AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
970                    String8(e.string));
971            table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
972            if (!assets->getIncludedResources()
973                    .stringToValue(&e.value, &e.string,
974                                  e.string.string(), e.string.size(), true, true,
975                                  e.nameResId, NULL, &defPackage, table, &ac)) {
976                hasErrors = true;
977            }
978            if (kIsDebug) {
979                printf("Attr %s: type=0x%x, str=%s\n",
980                        String8(e.name).string(), e.value.dataType,
981                        String8(e.string).string());
982            }
983        }
984    }
985    const size_t N = mChildren.size();
986    for (size_t i=0; i<N; i++) {
987        status_t err = mChildren.itemAt(i)->parseValues(assets, table);
988        if (err != NO_ERROR) {
989            hasErrors = true;
990        }
991    }
992    return hasErrors ? STATUST(UNKNOWN_ERROR) : NO_ERROR;
993}
994
995status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
996                                    const ResourceTable* table)
997{
998    bool hasErrors = false;
999
1000    if (getType() == TYPE_ELEMENT) {
1001        String16 attr("attr");
1002        const char* errorMsg;
1003        const size_t N = mAttributes.size();
1004        for (size_t i=0; i<N; i++) {
1005            const attribute_entry& e = mAttributes.itemAt(i);
1006            if (e.ns.size() <= 0) continue;
1007            bool nsIsPublic = true;
1008            String16 pkg(getNamespaceResourcePackage(String16(assets->getPackage()), e.ns, &nsIsPublic));
1009            if (kIsDebug) {
1010                printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
1011                        String8(getElementName()).string(),
1012                        String8(e.name).string(),
1013                        String8(e.string).string(),
1014                        String8(e.ns).string(),
1015                        (nsIsPublic) ? "public" : "private",
1016                        String8(pkg).string());
1017            }
1018            if (pkg.size() <= 0) continue;
1019            uint32_t res = table != NULL
1020                ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
1021                : assets->getIncludedResources().
1022                    identifierForName(e.name.string(), e.name.size(),
1023                                      attr.string(), attr.size(),
1024                                      pkg.string(), pkg.size());
1025            if (res != 0) {
1026                if (kIsDebug) {
1027                    printf("XML attribute name %s: resid=0x%08x\n",
1028                            String8(e.name).string(), res);
1029                }
1030                setAttributeResID(i, res);
1031            } else {
1032                SourcePos(mFilename, getStartLineNumber()).error(
1033                        "No resource identifier found for attribute '%s' in package '%s'\n",
1034                        String8(e.name).string(), String8(pkg).string());
1035                hasErrors = true;
1036            }
1037        }
1038    }
1039    const size_t N = mChildren.size();
1040    for (size_t i=0; i<N; i++) {
1041        status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
1042        if (err < NO_ERROR) {
1043            hasErrors = true;
1044        }
1045    }
1046
1047    return hasErrors ? STATUST(UNKNOWN_ERROR) : NO_ERROR;
1048}
1049
1050sp<XMLNode> XMLNode::clone() const {
1051    sp<XMLNode> copy = new XMLNode();
1052    copy->mNamespacePrefix = mNamespacePrefix;
1053    copy->mNamespaceUri = mNamespaceUri;
1054    copy->mElementName = mElementName;
1055
1056    const size_t childCount = mChildren.size();
1057    for (size_t i = 0; i < childCount; i++) {
1058        copy->mChildren.add(mChildren[i]->clone());
1059    }
1060
1061    copy->mAttributes = mAttributes;
1062    copy->mAttributeOrder = mAttributeOrder;
1063    copy->mNextAttributeIndex = mNextAttributeIndex;
1064    copy->mChars = mChars;
1065    memcpy(&copy->mCharsValue, &mCharsValue, sizeof(mCharsValue));
1066    copy->mComment = mComment;
1067    copy->mFilename = mFilename;
1068    copy->mStartLineNumber = mStartLineNumber;
1069    copy->mEndLineNumber = mEndLineNumber;
1070    copy->mUTF8 = mUTF8;
1071    return copy;
1072}
1073
1074status_t XMLNode::flatten(const sp<AaptFile>& dest,
1075        bool stripComments, bool stripRawValues) const
1076{
1077    StringPool strings(mUTF8);
1078    Vector<uint32_t> resids;
1079
1080    // First collect just the strings for attribute names that have a
1081    // resource ID assigned to them.  This ensures that the resource ID
1082    // array is compact, and makes it easier to deal with attribute names
1083    // in different namespaces (and thus with different resource IDs).
1084    collect_resid_strings(&strings, &resids);
1085
1086    // Next collect all remainibng strings.
1087    collect_strings(&strings, &resids, stripComments, stripRawValues);
1088
1089    sp<AaptFile> stringPool = strings.createStringBlock();
1090
1091    ResXMLTree_header header;
1092    memset(&header, 0, sizeof(header));
1093    header.header.type = htods(RES_XML_TYPE);
1094    header.header.headerSize = htods(sizeof(header));
1095
1096    const size_t basePos = dest->getSize();
1097    dest->writeData(&header, sizeof(header));
1098    dest->writeData(stringPool->getData(), stringPool->getSize());
1099
1100    // If we have resource IDs, write them.
1101    if (resids.size() > 0) {
1102        const size_t resIdsPos = dest->getSize();
1103        const size_t resIdsSize =
1104            sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
1105        ResChunk_header* idsHeader = (ResChunk_header*)
1106            (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
1107        idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
1108        idsHeader->headerSize = htods(sizeof(*idsHeader));
1109        idsHeader->size = htodl(resIdsSize);
1110        uint32_t* ids = (uint32_t*)(idsHeader+1);
1111        for (size_t i=0; i<resids.size(); i++) {
1112            *ids++ = htodl(resids[i]);
1113        }
1114    }
1115
1116    flatten_node(strings, dest, stripComments, stripRawValues);
1117
1118    void* data = dest->editData();
1119    ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
1120    hd->header.size = htodl(dest->getSize()-basePos);
1121
1122    if (kPrintStringMetrics) {
1123        fprintf(stderr, "**** total xml size: %zu / %zu%% strings (in %s)\n",
1124                dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
1125                dest->getPath().string());
1126    }
1127
1128    return NO_ERROR;
1129}
1130
1131void XMLNode::print(int indent)
1132{
1133    String8 prefix;
1134    int i;
1135    for (i=0; i<indent; i++) {
1136        prefix.append("  ");
1137    }
1138    if (getType() == TYPE_ELEMENT) {
1139        String8 elemNs(getNamespaceUri());
1140        if (elemNs.size() > 0) {
1141            elemNs.append(":");
1142        }
1143        printf("%s E: %s%s", prefix.string(),
1144               elemNs.string(), String8(getElementName()).string());
1145        int N = mAttributes.size();
1146        for (i=0; i<N; i++) {
1147            ssize_t idx = mAttributeOrder.valueAt(i);
1148            if (i == 0) {
1149                printf(" / ");
1150            } else {
1151                printf(", ");
1152            }
1153            const attribute_entry& attr = mAttributes.itemAt(idx);
1154            String8 attrNs(attr.ns);
1155            if (attrNs.size() > 0) {
1156                attrNs.append(":");
1157            }
1158            if (attr.nameResId) {
1159                printf("%s%s(0x%08x)", attrNs.string(),
1160                       String8(attr.name).string(), attr.nameResId);
1161            } else {
1162                printf("%s%s", attrNs.string(), String8(attr.name).string());
1163            }
1164            printf("=%s", String8(attr.string).string());
1165        }
1166        printf("\n");
1167    } else if (getType() == TYPE_NAMESPACE) {
1168        printf("%s N: %s=%s\n", prefix.string(),
1169               getNamespacePrefix().size() > 0
1170                    ? String8(getNamespacePrefix()).string() : "<DEF>",
1171               String8(getNamespaceUri()).string());
1172    } else {
1173        printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
1174    }
1175    int N = mChildren.size();
1176    for (i=0; i<N; i++) {
1177        mChildren.itemAt(i)->print(indent+1);
1178    }
1179}
1180
1181static void splitName(const char* name, String16* outNs, String16* outName)
1182{
1183    const char* p = name;
1184    while (*p != 0 && *p != 1) {
1185        p++;
1186    }
1187    if (*p == 0) {
1188        *outNs = String16();
1189        *outName = String16(name);
1190    } else {
1191        *outNs = String16(name, (p-name));
1192        *outName = String16(p+1);
1193    }
1194}
1195
1196void XMLCALL
1197XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
1198{
1199    if (kIsDebugParse) {
1200        printf("Start Namespace: %s %s\n", prefix, uri);
1201    }
1202    ParseState* st = (ParseState*)userData;
1203    sp<XMLNode> node = XMLNode::newNamespace(st->filename,
1204            String16(prefix != NULL ? prefix : ""), String16(uri));
1205    node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1206    if (st->stack.size() > 0) {
1207        st->stack.itemAt(st->stack.size()-1)->addChild(node);
1208    } else {
1209        st->root = node;
1210    }
1211    st->stack.push(node);
1212}
1213
1214void XMLCALL
1215XMLNode::startElement(void *userData, const char *name, const char **atts)
1216{
1217    if (kIsDebugParse) {
1218        printf("Start Element: %s\n", name);
1219    }
1220    ParseState* st = (ParseState*)userData;
1221    String16 ns16, name16;
1222    splitName(name, &ns16, &name16);
1223    sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
1224    node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1225    if (st->pendingComment.size() > 0) {
1226        node->appendComment(st->pendingComment);
1227        st->pendingComment = String16();
1228    }
1229    if (st->stack.size() > 0) {
1230        st->stack.itemAt(st->stack.size()-1)->addChild(node);
1231    } else {
1232        st->root = node;
1233    }
1234    st->stack.push(node);
1235
1236    for (int i = 0; atts[i]; i += 2) {
1237        splitName(atts[i], &ns16, &name16);
1238        node->addAttribute(ns16, name16, String16(atts[i+1]));
1239    }
1240}
1241
1242void XMLCALL
1243XMLNode::characterData(void *userData, const XML_Char *s, int len)
1244{
1245    if (kIsDebugParse) {
1246        printf("CDATA: \"%s\"\n", String8(s, len).string());
1247    }
1248    ParseState* st = (ParseState*)userData;
1249    sp<XMLNode> node = NULL;
1250    if (st->stack.size() == 0) {
1251        return;
1252    }
1253    sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
1254    if (parent != NULL && parent->getChildren().size() > 0) {
1255        node = parent->getChildren()[parent->getChildren().size()-1];
1256        if (node->getType() != TYPE_CDATA) {
1257            // Last node is not CDATA, need to make a new node.
1258            node = NULL;
1259        }
1260    }
1261
1262    if (node == NULL) {
1263        node = XMLNode::newCData(st->filename);
1264        node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1265        parent->addChild(node);
1266    }
1267
1268    node->appendChars(String16(s, len));
1269}
1270
1271void XMLCALL
1272XMLNode::endElement(void *userData, const char *name)
1273{
1274    if (kIsDebugParse) {
1275        printf("End Element: %s\n", name);
1276    }
1277    ParseState* st = (ParseState*)userData;
1278    sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1279    node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1280    if (st->pendingComment.size() > 0) {
1281        node->appendComment(st->pendingComment);
1282        st->pendingComment = String16();
1283    }
1284    String16 ns16, name16;
1285    splitName(name, &ns16, &name16);
1286    LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
1287                        || node->getElementName() != name16,
1288                        "Bad end element %s", name);
1289    st->stack.pop();
1290}
1291
1292void XMLCALL
1293XMLNode::endNamespace(void *userData, const char *prefix)
1294{
1295    const char* nonNullPrefix = prefix != NULL ? prefix : "";
1296    if (kIsDebugParse) {
1297        printf("End Namespace: %s\n", prefix);
1298    }
1299    ParseState* st = (ParseState*)userData;
1300    sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1301    node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1302    LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
1303                        "Bad end namespace %s", prefix);
1304    st->stack.pop();
1305}
1306
1307void XMLCALL
1308XMLNode::commentData(void *userData, const char *comment)
1309{
1310    if (kIsDebugParse) {
1311        printf("Comment: %s\n", comment);
1312    }
1313    ParseState* st = (ParseState*)userData;
1314    if (st->pendingComment.size() > 0) {
1315        st->pendingComment.append(String16("\n"));
1316    }
1317    st->pendingComment.append(String16(comment));
1318}
1319
1320status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
1321        bool stripComments, bool stripRawValues) const
1322{
1323    collect_attr_strings(dest, outResIds, true);
1324
1325    int i;
1326    if (RESOURCES_TOOLS_NAMESPACE != mNamespaceUri) {
1327        if (mNamespacePrefix.size() > 0) {
1328            dest->add(mNamespacePrefix, true);
1329        }
1330        if (mNamespaceUri.size() > 0) {
1331            dest->add(mNamespaceUri, true);
1332        }
1333    }
1334    if (mElementName.size() > 0) {
1335        dest->add(mElementName, true);
1336    }
1337
1338    if (!stripComments && mComment.size() > 0) {
1339        dest->add(mComment, true);
1340    }
1341
1342    const int NA = mAttributes.size();
1343
1344    for (i=0; i<NA; i++) {
1345        const attribute_entry& ae = mAttributes.itemAt(i);
1346        if (ae.ns.size() > 0) {
1347            dest->add(ae.ns, true);
1348        }
1349        if (!stripRawValues || ae.needStringValue()) {
1350            dest->add(ae.string, true);
1351        }
1352        /*
1353        if (ae.value.dataType == Res_value::TYPE_NULL
1354                || ae.value.dataType == Res_value::TYPE_STRING) {
1355            dest->add(ae.string, true);
1356        }
1357        */
1358    }
1359
1360    if (mElementName.size() == 0) {
1361        // If not an element, include the CDATA, even if it is empty.
1362        dest->add(mChars, true);
1363    }
1364
1365    const int NC = mChildren.size();
1366
1367    for (i=0; i<NC; i++) {
1368        mChildren.itemAt(i)->collect_strings(dest, outResIds,
1369                stripComments, stripRawValues);
1370    }
1371
1372    return NO_ERROR;
1373}
1374
1375status_t XMLNode::collect_attr_strings(StringPool* outPool,
1376        Vector<uint32_t>* outResIds, bool allAttrs) const {
1377    const int NA = mAttributes.size();
1378
1379    for (int i=0; i<NA; i++) {
1380        const attribute_entry& attr = mAttributes.itemAt(i);
1381        uint32_t id = attr.nameResId;
1382        if (id || allAttrs) {
1383            // See if we have already assigned this resource ID to a pooled
1384            // string...
1385            const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
1386            ssize_t idx = -1;
1387            if (indices != NULL) {
1388                const int NJ = indices->size();
1389                const size_t NR = outResIds->size();
1390                for (int j=0; j<NJ; j++) {
1391                    size_t strIdx = indices->itemAt(j);
1392                    if (strIdx >= NR) {
1393                        if (id == 0) {
1394                            // We don't need to assign a resource ID for this one.
1395                            idx = strIdx;
1396                            break;
1397                        }
1398                        // Just ignore strings that are out of range of
1399                        // the currently assigned resource IDs...  we add
1400                        // strings as we assign the first ID.
1401                    } else if (outResIds->itemAt(strIdx) == id) {
1402                        idx = strIdx;
1403                        break;
1404                    }
1405                }
1406            }
1407            if (idx < 0) {
1408                idx = outPool->add(attr.name);
1409                if (kIsDebug) {
1410                    printf("Adding attr %s (resid 0x%08x) to pool: idx=%zd\n",
1411                            String8(attr.name).string(), id, SSIZE(idx));
1412                }
1413                if (id != 0) {
1414                    while ((ssize_t)outResIds->size() <= idx) {
1415                        outResIds->add(0);
1416                    }
1417                    outResIds->replaceAt(id, idx);
1418                }
1419            }
1420            attr.namePoolIdx = idx;
1421            if (kIsDebug) {
1422                printf("String %s offset=0x%08zd\n", String8(attr.name).string(), SSIZE(idx));
1423            }
1424        }
1425    }
1426
1427    return NO_ERROR;
1428}
1429
1430status_t XMLNode::collect_resid_strings(StringPool* outPool,
1431        Vector<uint32_t>* outResIds) const
1432{
1433    collect_attr_strings(outPool, outResIds, false);
1434
1435    const int NC = mChildren.size();
1436
1437    for (int i=0; i<NC; i++) {
1438        mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
1439    }
1440
1441    return NO_ERROR;
1442}
1443
1444status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
1445        bool stripComments, bool stripRawValues) const
1446{
1447    ResXMLTree_node node;
1448    ResXMLTree_cdataExt cdataExt;
1449    ResXMLTree_namespaceExt namespaceExt;
1450    ResXMLTree_attrExt attrExt;
1451    const void* extData = NULL;
1452    size_t extSize = 0;
1453    ResXMLTree_attribute attr;
1454    bool writeCurrentNode = true;
1455
1456    const size_t NA = mAttributes.size();
1457    const size_t NC = mChildren.size();
1458    size_t i;
1459
1460    LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
1461
1462    const String16 id16("id");
1463    const String16 class16("class");
1464    const String16 style16("style");
1465
1466    const type type = getType();
1467
1468    memset(&node, 0, sizeof(node));
1469    memset(&attr, 0, sizeof(attr));
1470    node.header.headerSize = htods(sizeof(node));
1471    node.lineNumber = htodl(getStartLineNumber());
1472    if (!stripComments) {
1473        node.comment.index = htodl(
1474            mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
1475        //if (mComment.size() > 0) {
1476        //  printf("Flattening comment: %s\n", String8(mComment).string());
1477        //}
1478    } else {
1479        node.comment.index = htodl((uint32_t)-1);
1480    }
1481    if (type == TYPE_ELEMENT) {
1482        node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
1483        extData = &attrExt;
1484        extSize = sizeof(attrExt);
1485        memset(&attrExt, 0, sizeof(attrExt));
1486        if (mNamespaceUri.size() > 0) {
1487            attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
1488        } else {
1489            attrExt.ns.index = htodl((uint32_t)-1);
1490        }
1491        attrExt.name.index = htodl(strings.offsetForString(mElementName));
1492        attrExt.attributeStart = htods(sizeof(attrExt));
1493        attrExt.attributeSize = htods(sizeof(attr));
1494        attrExt.attributeCount = htods(NA);
1495        attrExt.idIndex = htods(0);
1496        attrExt.classIndex = htods(0);
1497        attrExt.styleIndex = htods(0);
1498        for (i=0; i<NA; i++) {
1499            ssize_t idx = mAttributeOrder.valueAt(i);
1500            const attribute_entry& ae = mAttributes.itemAt(idx);
1501            if (ae.ns.size() == 0) {
1502                if (ae.name == id16) {
1503                    attrExt.idIndex = htods(i+1);
1504                } else if (ae.name == class16) {
1505                    attrExt.classIndex = htods(i+1);
1506                } else if (ae.name == style16) {
1507                    attrExt.styleIndex = htods(i+1);
1508                }
1509            }
1510        }
1511    } else if (type == TYPE_NAMESPACE) {
1512        if (mNamespaceUri == RESOURCES_TOOLS_NAMESPACE) {
1513            writeCurrentNode = false;
1514        } else {
1515            node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
1516            extData = &namespaceExt;
1517            extSize = sizeof(namespaceExt);
1518            memset(&namespaceExt, 0, sizeof(namespaceExt));
1519            if (mNamespacePrefix.size() > 0) {
1520                namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1521            } else {
1522                namespaceExt.prefix.index = htodl((uint32_t)-1);
1523            }
1524            namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1525            namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
1526        }
1527        LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
1528    } else if (type == TYPE_CDATA) {
1529        node.header.type = htods(RES_XML_CDATA_TYPE);
1530        extData = &cdataExt;
1531        extSize = sizeof(cdataExt);
1532        memset(&cdataExt, 0, sizeof(cdataExt));
1533        cdataExt.data.index = htodl(strings.offsetForString(mChars));
1534        cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
1535        cdataExt.typedData.res0 = 0;
1536        cdataExt.typedData.dataType = mCharsValue.dataType;
1537        cdataExt.typedData.data = htodl(mCharsValue.data);
1538        LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
1539    }
1540
1541    node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
1542
1543    if (writeCurrentNode) {
1544        dest->writeData(&node, sizeof(node));
1545        if (extSize > 0) {
1546            dest->writeData(extData, extSize);
1547        }
1548    }
1549
1550    for (i=0; i<NA; i++) {
1551        ssize_t idx = mAttributeOrder.valueAt(i);
1552        const attribute_entry& ae = mAttributes.itemAt(idx);
1553        if (ae.ns.size() > 0) {
1554            attr.ns.index = htodl(strings.offsetForString(ae.ns));
1555        } else {
1556            attr.ns.index = htodl((uint32_t)-1);
1557        }
1558        attr.name.index = htodl(ae.namePoolIdx);
1559
1560        if (!stripRawValues || ae.needStringValue()) {
1561            attr.rawValue.index = htodl(strings.offsetForString(ae.string));
1562        } else {
1563            attr.rawValue.index = htodl((uint32_t)-1);
1564        }
1565        attr.typedValue.size = htods(sizeof(attr.typedValue));
1566        if (ae.value.dataType == Res_value::TYPE_NULL
1567                || ae.value.dataType == Res_value::TYPE_STRING) {
1568            attr.typedValue.res0 = 0;
1569            attr.typedValue.dataType = Res_value::TYPE_STRING;
1570            attr.typedValue.data = htodl(strings.offsetForString(ae.string));
1571        } else {
1572            attr.typedValue.res0 = 0;
1573            attr.typedValue.dataType = ae.value.dataType;
1574            attr.typedValue.data = htodl(ae.value.data);
1575        }
1576        dest->writeData(&attr, sizeof(attr));
1577    }
1578
1579    for (i=0; i<NC; i++) {
1580        status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
1581                stripComments, stripRawValues);
1582        if (err != NO_ERROR) {
1583            return err;
1584        }
1585    }
1586
1587    if (type == TYPE_ELEMENT) {
1588        ResXMLTree_endElementExt endElementExt;
1589        memset(&endElementExt, 0, sizeof(endElementExt));
1590        node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
1591        node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
1592        node.lineNumber = htodl(getEndLineNumber());
1593        node.comment.index = htodl((uint32_t)-1);
1594        endElementExt.ns.index = attrExt.ns.index;
1595        endElementExt.name.index = attrExt.name.index;
1596        dest->writeData(&node, sizeof(node));
1597        dest->writeData(&endElementExt, sizeof(endElementExt));
1598    } else if (type == TYPE_NAMESPACE) {
1599        if (writeCurrentNode) {
1600            node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
1601            node.lineNumber = htodl(getEndLineNumber());
1602            node.comment.index = htodl((uint32_t)-1);
1603            node.header.size = htodl(sizeof(node)+extSize);
1604            dest->writeData(&node, sizeof(node));
1605            dest->writeData(extData, extSize);
1606        }
1607    }
1608
1609    return NO_ERROR;
1610}
1611