XMLNode.cpp revision 15fe2cb73b0770316db302f6502f568062d68e74
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
10#include <host/pseudolocalize.h>
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#define NOISY(x) //x
20#define NOISY_PARSE(x) //x
21
22const char* const RESOURCES_ROOT_NAMESPACE = "http://schemas.android.com/apk/res/";
23const char* const RESOURCES_ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
24const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
25
26const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
27const char* const ALLOWED_XLIFF_ELEMENTS[] = {
28        "bpt",
29        "ept",
30        "it",
31        "ph",
32        "g",
33        "bx",
34        "ex",
35        "x"
36    };
37
38bool isWhitespace(const char16_t* str)
39{
40    while (*str != 0 && *str < 128 && isspace(*str)) {
41        str++;
42    }
43    return *str == 0;
44}
45
46static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
47static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
48
49String16 getNamespaceResourcePackage(String16 namespaceUri, bool* outIsPublic)
50{
51    //printf("%s starts with %s?\n", String8(namespaceUri).string(),
52    //       String8(RESOURCES_PREFIX).string());
53    size_t prefixSize;
54    bool isPublic = true;
55    if (namespaceUri.startsWith(RESOURCES_PREFIX)) {
56        prefixSize = RESOURCES_PREFIX.size();
57    } else if (namespaceUri.startsWith(RESOURCES_PRV_PREFIX)) {
58        isPublic = false;
59        prefixSize = RESOURCES_PRV_PREFIX.size();
60    } else {
61        if (outIsPublic) *outIsPublic = isPublic; // = true
62        return String16();
63    }
64
65    //printf("YES!\n");
66    //printf("namespace: %s\n", String8(String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize)).string());
67    if (outIsPublic) *outIsPublic = isPublic;
68    return String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize);
69}
70
71status_t hasSubstitutionErrors(const char* fileName,
72                               ResXMLTree* inXml,
73                               String16 str16)
74{
75    const char16_t* str = str16.string();
76    const char16_t* p = str;
77    const char16_t* end = str + str16.size();
78
79    bool nonpositional = false;
80    int argCount = 0;
81
82    while (p < end) {
83        /*
84         * Look for the start of a Java-style substitution sequence.
85         */
86        if (*p == '%' && p + 1 < end) {
87            p++;
88
89            // A literal percent sign represented by %%
90            if (*p == '%') {
91                p++;
92                continue;
93            }
94
95            argCount++;
96
97            if (*p >= '0' && *p <= '9') {
98                do {
99                    p++;
100                } while (*p >= '0' && *p <= '9');
101                if (*p != '$') {
102                    // This must be a size specification instead of position.
103                    nonpositional = true;
104                }
105            } else if (*p == '<') {
106                // Reusing last argument; bad idea since it can be re-arranged.
107                nonpositional = true;
108                p++;
109
110                // Optionally '$' can be specified at the end.
111                if (p < end && *p == '$') {
112                    p++;
113                }
114            } else {
115                nonpositional = true;
116            }
117
118            // Ignore flags and widths
119            while (p < end && (*p == '-' ||
120                    *p == '#' ||
121                    *p == '+' ||
122                    *p == ' ' ||
123                    *p == ',' ||
124                    *p == '(' ||
125                    (*p >= '0' && *p <= '9'))) {
126                p++;
127            }
128
129            /*
130             * This is a shortcut to detect strings that are going to Time.format()
131             * instead of String.format()
132             *
133             * Comparison of String.format() and Time.format() args:
134             *
135             * String: ABC E GH  ST X abcdefgh  nost x
136             *   Time:    DEFGHKMS W Za  d   hkm  s w yz
137             *
138             * Therefore we know it's definitely Time if we have:
139             *     DFKMWZkmwyz
140             */
141            if (p < end) {
142                switch (*p) {
143                case 'D':
144                case 'F':
145                case 'K':
146                case 'M':
147                case 'W':
148                case 'Z':
149                case 'k':
150                case 'm':
151                case 'w':
152                case 'y':
153                case 'z':
154                    return NO_ERROR;
155                }
156            }
157        }
158
159        p++;
160    }
161
162    /*
163     * If we have more than one substitution in this string and any of them
164     * are not in positional form, give the user an error.
165     */
166    if (argCount > 1 && nonpositional) {
167        SourcePos(String8(fileName), inXml->getLineNumber()).error(
168                "Multiple substitutions specified in non-positional format; "
169                "did you mean to add the formatted=\"true\" attribute?\n");
170        return NOT_ENOUGH_DATA;
171    }
172
173    return NO_ERROR;
174}
175
176status_t parseStyledString(Bundle* bundle,
177                           const char* fileName,
178                           ResXMLTree* inXml,
179                           const String16& endTag,
180                           String16* outString,
181                           Vector<StringPool::entry_style_span>* outSpans,
182                           bool isFormatted,
183                           bool pseudolocalize)
184{
185    Vector<StringPool::entry_style_span> spanStack;
186    String16 curString;
187    String16 rawString;
188    const char* errorMsg;
189    int xliffDepth = 0;
190    bool firstTime = true;
191
192    size_t len;
193    ResXMLTree::event_code_t code;
194    while ((code=inXml->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
195
196        if (code == ResXMLTree::TEXT) {
197            String16 text(inXml->getText(&len));
198            if (firstTime && text.size() > 0) {
199                firstTime = false;
200                if (text.string()[0] == '@') {
201                    // If this is a resource reference, don't do the pseudoloc.
202                    pseudolocalize = false;
203                }
204            }
205            if (xliffDepth == 0 && pseudolocalize) {
206                std::string orig(String8(text).string());
207                std::string pseudo = pseudolocalize_string(orig);
208                curString.append(String16(String8(pseudo.c_str())));
209            } else {
210                if (isFormatted && hasSubstitutionErrors(fileName, inXml, text) != NO_ERROR) {
211                    return UNKNOWN_ERROR;
212                } else {
213                    curString.append(text);
214                }
215            }
216        } else if (code == ResXMLTree::START_TAG) {
217            const String16 element16(inXml->getElementName(&len));
218            const String8 element8(element16);
219
220            size_t nslen;
221            const uint16_t* ns = inXml->getElementNamespace(&nslen);
222            if (ns == NULL) {
223                ns = (const uint16_t*)"\0\0";
224                nslen = 0;
225            }
226            const String8 nspace(String16(ns, nslen));
227            if (nspace == XLIFF_XMLNS) {
228                const int N = sizeof(ALLOWED_XLIFF_ELEMENTS)/sizeof(ALLOWED_XLIFF_ELEMENTS[0]);
229                for (int i=0; i<N; i++) {
230                    if (element8 == ALLOWED_XLIFF_ELEMENTS[i]) {
231                        xliffDepth++;
232                        // in this case, treat it like it was just text, in other words, do nothing
233                        // here and silently drop this element
234                        goto moveon;
235                    }
236                }
237                {
238                    SourcePos(String8(fileName), inXml->getLineNumber()).error(
239                            "Found unsupported XLIFF tag <%s>\n",
240                            element8.string());
241                    return UNKNOWN_ERROR;
242                }
243moveon:
244                continue;
245            }
246
247            if (outSpans == NULL) {
248                SourcePos(String8(fileName), inXml->getLineNumber()).error(
249                        "Found style tag <%s> where styles are not allowed\n", element8.string());
250                return UNKNOWN_ERROR;
251            }
252
253            if (!ResTable::collectString(outString, curString.string(),
254                                         curString.size(), false, &errorMsg, true)) {
255                SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
256                        errorMsg, String8(curString).string());
257                return UNKNOWN_ERROR;
258            }
259            rawString.append(curString);
260            curString = String16();
261
262            StringPool::entry_style_span span;
263            span.name = element16;
264            for (size_t ai=0; ai<inXml->getAttributeCount(); ai++) {
265                span.name.append(String16(";"));
266                const char16_t* str = inXml->getAttributeName(ai, &len);
267                span.name.append(str, len);
268                span.name.append(String16("="));
269                str = inXml->getAttributeStringValue(ai, &len);
270                span.name.append(str, len);
271            }
272            //printf("Span: %s\n", String8(span.name).string());
273            span.span.firstChar = span.span.lastChar = outString->size();
274            spanStack.push(span);
275
276        } else if (code == ResXMLTree::END_TAG) {
277            size_t nslen;
278            const uint16_t* ns = inXml->getElementNamespace(&nslen);
279            if (ns == NULL) {
280                ns = (const uint16_t*)"\0\0";
281                nslen = 0;
282            }
283            const String8 nspace(String16(ns, nslen));
284            if (nspace == XLIFF_XMLNS) {
285                xliffDepth--;
286                continue;
287            }
288            if (!ResTable::collectString(outString, curString.string(),
289                                         curString.size(), false, &errorMsg, true)) {
290                SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
291                        errorMsg, String8(curString).string());
292                return UNKNOWN_ERROR;
293            }
294            rawString.append(curString);
295            curString = String16();
296
297            if (spanStack.size() == 0) {
298                if (strcmp16(inXml->getElementName(&len), endTag.string()) != 0) {
299                    SourcePos(String8(fileName), inXml->getLineNumber()).error(
300                            "Found tag %s where <%s> close is expected\n",
301                            String8(inXml->getElementName(&len)).string(),
302                            String8(endTag).string());
303                    return UNKNOWN_ERROR;
304                }
305                break;
306            }
307            StringPool::entry_style_span span = spanStack.top();
308            String16 spanTag;
309            ssize_t semi = span.name.findFirst(';');
310            if (semi >= 0) {
311                spanTag.setTo(span.name.string(), semi);
312            } else {
313                spanTag.setTo(span.name);
314            }
315            if (strcmp16(inXml->getElementName(&len), spanTag.string()) != 0) {
316                SourcePos(String8(fileName), inXml->getLineNumber()).error(
317                        "Found close tag %s where close tag %s is expected\n",
318                        String8(inXml->getElementName(&len)).string(),
319                        String8(spanTag).string());
320                return UNKNOWN_ERROR;
321            }
322            bool empty = true;
323            if (outString->size() > 0) {
324                span.span.lastChar = outString->size()-1;
325                if (span.span.lastChar >= span.span.firstChar) {
326                    empty = false;
327                    outSpans->add(span);
328                }
329            }
330            spanStack.pop();
331
332            /*
333             * This warning seems to be just an irritation to most people,
334             * since it is typically introduced by translators who then never
335             * see the warning.
336             */
337            if (0 && empty) {
338                fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
339                        fileName, inXml->getLineNumber(),
340                        String8(spanTag).string(), String8(*outString).string());
341
342            }
343        } else if (code == ResXMLTree::START_NAMESPACE) {
344            // nothing
345        }
346    }
347
348    if (code == ResXMLTree::BAD_DOCUMENT) {
349            SourcePos(String8(fileName), inXml->getLineNumber()).error(
350                    "Error parsing XML\n");
351    }
352
353    if (outSpans != NULL && outSpans->size() > 0) {
354        if (curString.size() > 0) {
355            if (!ResTable::collectString(outString, curString.string(),
356                                         curString.size(), false, &errorMsg, true)) {
357                SourcePos(String8(fileName), inXml->getLineNumber()).error(
358                        "%s (in %s)\n",
359                        errorMsg, String8(curString).string());
360                return UNKNOWN_ERROR;
361            }
362        }
363    } else {
364        // There is no style information, so string processing will happen
365        // later as part of the overall type conversion.  Return to the
366        // client the raw unprocessed text.
367        rawString.append(curString);
368        outString->setTo(rawString);
369    }
370
371    return NO_ERROR;
372}
373
374struct namespace_entry {
375    String8 prefix;
376    String8 uri;
377};
378
379static String8 make_prefix(int depth)
380{
381    String8 prefix;
382    int i;
383    for (i=0; i<depth; i++) {
384        prefix.append("  ");
385    }
386    return prefix;
387}
388
389static String8 build_namespace(const Vector<namespace_entry>& namespaces,
390        const uint16_t* ns)
391{
392    String8 str;
393    if (ns != NULL) {
394        str = String8(ns);
395        const size_t N = namespaces.size();
396        for (size_t i=0; i<N; i++) {
397            const namespace_entry& ne = namespaces.itemAt(i);
398            if (ne.uri == str) {
399                str = ne.prefix;
400                break;
401            }
402        }
403        str.append(":");
404    }
405    return str;
406}
407
408void printXMLBlock(ResXMLTree* block)
409{
410    block->restart();
411
412    Vector<namespace_entry> namespaces;
413
414    ResXMLTree::event_code_t code;
415    int depth = 0;
416    while ((code=block->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
417        String8 prefix = make_prefix(depth);
418        int i;
419        if (code == ResXMLTree::START_TAG) {
420            size_t len;
421            const uint16_t* ns16 = block->getElementNamespace(&len);
422            String8 elemNs = build_namespace(namespaces, ns16);
423            const uint16_t* com16 = block->getComment(&len);
424            if (com16) {
425                printf("%s <!-- %s -->\n", prefix.string(), String8(com16).string());
426            }
427            printf("%sE: %s%s (line=%d)\n", prefix.string(), elemNs.string(),
428                   String8(block->getElementName(&len)).string(),
429                   block->getLineNumber());
430            int N = block->getAttributeCount();
431            depth++;
432            prefix = make_prefix(depth);
433            for (i=0; i<N; i++) {
434                uint32_t res = block->getAttributeNameResID(i);
435                ns16 = block->getAttributeNamespace(i, &len);
436                String8 ns = build_namespace(namespaces, ns16);
437                String8 name(block->getAttributeName(i, &len));
438                printf("%sA: ", prefix.string());
439                if (res) {
440                    printf("%s%s(0x%08x)", ns.string(), name.string(), res);
441                } else {
442                    printf("%s%s", ns.string(), name.string());
443                }
444                Res_value value;
445                block->getAttributeValue(i, &value);
446                if (value.dataType == Res_value::TYPE_NULL) {
447                    printf("=(null)");
448                } else if (value.dataType == Res_value::TYPE_REFERENCE) {
449                    printf("=@0x%x", (int)value.data);
450                } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
451                    printf("=?0x%x", (int)value.data);
452                } else if (value.dataType == Res_value::TYPE_STRING) {
453                    printf("=\"%s\"",
454                           String8(block->getAttributeStringValue(i, &len)).string());
455                } else {
456                    printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
457                }
458                const char16_t* val = block->getAttributeStringValue(i, &len);
459                if (val != NULL) {
460                    printf(" (Raw: \"%s\")", String8(val).string());
461                }
462                printf("\n");
463            }
464        } else if (code == ResXMLTree::END_TAG) {
465            depth--;
466        } else if (code == ResXMLTree::START_NAMESPACE) {
467            namespace_entry ns;
468            size_t len;
469            const uint16_t* prefix16 = block->getNamespacePrefix(&len);
470            if (prefix16) {
471                ns.prefix = String8(prefix16);
472            } else {
473                ns.prefix = "<DEF>";
474            }
475            ns.uri = String8(block->getNamespaceUri(&len));
476            namespaces.push(ns);
477            printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
478                    ns.uri.string());
479            depth++;
480        } else if (code == ResXMLTree::END_NAMESPACE) {
481            depth--;
482            const namespace_entry& ns = namespaces.top();
483            size_t len;
484            const uint16_t* prefix16 = block->getNamespacePrefix(&len);
485            String8 pr;
486            if (prefix16) {
487                pr = String8(prefix16);
488            } else {
489                pr = "<DEF>";
490            }
491            if (ns.prefix != pr) {
492                prefix = make_prefix(depth);
493                printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
494                        prefix.string(), pr.string(), ns.prefix.string());
495            }
496            String8 uri = String8(block->getNamespaceUri(&len));
497            if (ns.uri != uri) {
498                prefix = make_prefix(depth);
499                printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
500                        prefix.string(), uri.string(), ns.uri.string());
501            }
502            namespaces.pop();
503        } else if (code == ResXMLTree::TEXT) {
504            size_t len;
505            printf("%sC: \"%s\"\n", prefix.string(), String8(block->getText(&len)).string());
506        }
507    }
508
509    block->restart();
510}
511
512status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
513                          bool stripAll, bool keepComments,
514                          const char** cDataTags)
515{
516    sp<XMLNode> root = XMLNode::parse(file);
517    if (root == NULL) {
518        return UNKNOWN_ERROR;
519    }
520    root->removeWhitespace(stripAll, cDataTags);
521
522    NOISY(printf("Input XML from %s:\n", (const char*)file->getPrintableSource()));
523    NOISY(root->print());
524    sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
525    status_t err = root->flatten(rsc, !keepComments, false);
526    if (err != NO_ERROR) {
527        return err;
528    }
529    err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
530    if (err != NO_ERROR) {
531        return err;
532    }
533
534    NOISY(printf("Output XML:\n"));
535    NOISY(printXMLBlock(outTree));
536
537    return NO_ERROR;
538}
539
540sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
541{
542    char buf[16384];
543    int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
544    if (fd < 0) {
545        SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
546                strerror(errno));
547        return NULL;
548    }
549
550    XML_Parser parser = XML_ParserCreateNS(NULL, 1);
551    ParseState state;
552    state.filename = file->getPrintableSource();
553    state.parser = parser;
554    XML_SetUserData(parser, &state);
555    XML_SetElementHandler(parser, startElement, endElement);
556    XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
557    XML_SetCharacterDataHandler(parser, characterData);
558    XML_SetCommentHandler(parser, commentData);
559
560    ssize_t len;
561    bool done;
562    do {
563        len = read(fd, buf, sizeof(buf));
564        done = len < (ssize_t)sizeof(buf);
565        if (len < 0) {
566            SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
567            close(fd);
568            return NULL;
569        }
570        if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
571            SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
572                    "Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
573            close(fd);
574            return NULL;
575        }
576    } while (!done);
577
578    XML_ParserFree(parser);
579    if (state.root == NULL) {
580        SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
581    }
582    close(fd);
583    return state.root;
584}
585
586XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
587    : mNextAttributeIndex(0x80000000)
588    , mFilename(filename)
589    , mStartLineNumber(0)
590    , mEndLineNumber(0)
591    , mUTF8(false)
592{
593    if (isNamespace) {
594        mNamespacePrefix = s1;
595        mNamespaceUri = s2;
596    } else {
597        mNamespaceUri = s1;
598        mElementName = s2;
599    }
600}
601
602XMLNode::XMLNode(const String8& filename)
603    : mFilename(filename)
604{
605    memset(&mCharsValue, 0, sizeof(mCharsValue));
606}
607
608XMLNode::type XMLNode::getType() const
609{
610    if (mElementName.size() != 0) {
611        return TYPE_ELEMENT;
612    }
613    if (mNamespaceUri.size() != 0) {
614        return TYPE_NAMESPACE;
615    }
616    return TYPE_CDATA;
617}
618
619const String16& XMLNode::getNamespacePrefix() const
620{
621    return mNamespacePrefix;
622}
623
624const String16& XMLNode::getNamespaceUri() const
625{
626    return mNamespaceUri;
627}
628
629const String16& XMLNode::getElementNamespace() const
630{
631    return mNamespaceUri;
632}
633
634const String16& XMLNode::getElementName() const
635{
636    return mElementName;
637}
638
639const Vector<sp<XMLNode> >& XMLNode::getChildren() const
640{
641    return mChildren;
642}
643
644const String8& XMLNode::getFilename() const
645{
646    return mFilename;
647}
648
649const Vector<XMLNode::attribute_entry>&
650    XMLNode::getAttributes() const
651{
652    return mAttributes;
653}
654
655const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
656        const String16& name) const
657{
658    for (size_t i=0; i<mAttributes.size(); i++) {
659        const attribute_entry& ae(mAttributes.itemAt(i));
660        if (ae.ns == ns && ae.name == name) {
661            return &ae;
662        }
663    }
664
665    return NULL;
666}
667
668XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
669        const String16& name)
670{
671    for (size_t i=0; i<mAttributes.size(); i++) {
672        attribute_entry * ae = &mAttributes.editItemAt(i);
673        if (ae->ns == ns && ae->name == name) {
674            return ae;
675        }
676    }
677
678    return NULL;
679}
680
681const String16& XMLNode::getCData() const
682{
683    return mChars;
684}
685
686const String16& XMLNode::getComment() const
687{
688    return mComment;
689}
690
691int32_t XMLNode::getStartLineNumber() const
692{
693    return mStartLineNumber;
694}
695
696int32_t XMLNode::getEndLineNumber() const
697{
698    return mEndLineNumber;
699}
700
701sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
702{
703    if (getType() == XMLNode::TYPE_ELEMENT
704            && mNamespaceUri == tagNamespace
705            && mElementName == tagName) {
706        return this;
707    }
708
709    for (size_t i=0; i<mChildren.size(); i++) {
710        sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
711        if (found != NULL) {
712            return found;
713        }
714    }
715
716    return NULL;
717}
718
719sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
720{
721    for (size_t i=0; i<mChildren.size(); i++) {
722        sp<XMLNode> child = mChildren.itemAt(i);
723        if (child->getType() == XMLNode::TYPE_ELEMENT
724                && child->mNamespaceUri == tagNamespace
725                && child->mElementName == tagName) {
726            return child;
727        }
728    }
729
730    return NULL;
731}
732
733status_t XMLNode::addChild(const sp<XMLNode>& child)
734{
735    if (getType() == TYPE_CDATA) {
736        SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
737        return UNKNOWN_ERROR;
738    }
739    //printf("Adding child %p to parent %p\n", child.get(), this);
740    mChildren.add(child);
741    return NO_ERROR;
742}
743
744status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
745{
746    if (getType() == TYPE_CDATA) {
747        SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
748        return UNKNOWN_ERROR;
749    }
750    //printf("Adding child %p to parent %p\n", child.get(), this);
751    mChildren.insertAt(child, index);
752    return NO_ERROR;
753}
754
755status_t XMLNode::addAttribute(const String16& ns, const String16& name,
756                               const String16& value)
757{
758    if (getType() == TYPE_CDATA) {
759        SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
760        return UNKNOWN_ERROR;
761    }
762    attribute_entry e;
763    e.index = mNextAttributeIndex++;
764    e.ns = ns;
765    e.name = name;
766    e.string = value;
767    mAttributes.add(e);
768    mAttributeOrder.add(e.index, mAttributes.size()-1);
769    return NO_ERROR;
770}
771
772void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
773{
774    attribute_entry& e = mAttributes.editItemAt(attrIdx);
775    if (e.nameResId) {
776        mAttributeOrder.removeItem(e.nameResId);
777    } else {
778        mAttributeOrder.removeItem(e.index);
779    }
780    NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
781            String8(getElementName()).string(),
782            String8(mAttributes.itemAt(attrIdx).name).string(),
783            String8(mAttributes.itemAt(attrIdx).string).string(),
784            resId));
785    mAttributes.editItemAt(attrIdx).nameResId = resId;
786    mAttributeOrder.add(resId, attrIdx);
787}
788
789status_t XMLNode::appendChars(const String16& chars)
790{
791    if (getType() != TYPE_CDATA) {
792        SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
793        return UNKNOWN_ERROR;
794    }
795    mChars.append(chars);
796    return NO_ERROR;
797}
798
799status_t XMLNode::appendComment(const String16& comment)
800{
801    if (mComment.size() > 0) {
802        mComment.append(String16("\n"));
803    }
804    mComment.append(comment);
805    return NO_ERROR;
806}
807
808void XMLNode::setStartLineNumber(int32_t line)
809{
810    mStartLineNumber = line;
811}
812
813void XMLNode::setEndLineNumber(int32_t line)
814{
815    mEndLineNumber = line;
816}
817
818void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
819{
820    //printf("Removing whitespace in %s\n", String8(mElementName).string());
821    size_t N = mChildren.size();
822    if (cDataTags) {
823        String8 tag(mElementName);
824        const char** p = cDataTags;
825        while (*p) {
826            if (tag == *p) {
827                stripAll = false;
828                break;
829            }
830        }
831    }
832    for (size_t i=0; i<N; i++) {
833        sp<XMLNode> node = mChildren.itemAt(i);
834        if (node->getType() == TYPE_CDATA) {
835            // This is a CDATA node...
836            const char16_t* p = node->mChars.string();
837            while (*p != 0 && *p < 128 && isspace(*p)) {
838                p++;
839            }
840            //printf("Space ends at %d in \"%s\"\n",
841            //       (int)(p-node->mChars.string()),
842            //       String8(node->mChars).string());
843            if (*p == 0) {
844                if (stripAll) {
845                    // Remove this node!
846                    mChildren.removeAt(i);
847                    N--;
848                    i--;
849                } else {
850                    node->mChars = String16(" ");
851                }
852            } else {
853                // Compact leading/trailing whitespace.
854                const char16_t* e = node->mChars.string()+node->mChars.size()-1;
855                while (e > p && *e < 128 && isspace(*e)) {
856                    e--;
857                }
858                if (p > node->mChars.string()) {
859                    p--;
860                }
861                if (e < (node->mChars.string()+node->mChars.size()-1)) {
862                    e++;
863                }
864                if (p > node->mChars.string() ||
865                    e < (node->mChars.string()+node->mChars.size()-1)) {
866                    String16 tmp(p, e-p+1);
867                    node->mChars = tmp;
868                }
869            }
870        } else {
871            node->removeWhitespace(stripAll, cDataTags);
872        }
873    }
874}
875
876status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
877                              ResourceTable* table)
878{
879    bool hasErrors = false;
880
881    if (getType() == TYPE_ELEMENT) {
882        const size_t N = mAttributes.size();
883        String16 defPackage(assets->getPackage());
884        for (size_t i=0; i<N; i++) {
885            attribute_entry& e = mAttributes.editItemAt(i);
886            AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
887                    String8(e.string));
888            table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
889            if (!assets->getIncludedResources()
890                    .stringToValue(&e.value, &e.string,
891                                  e.string.string(), e.string.size(), true, true,
892                                  e.nameResId, NULL, &defPackage, table, &ac)) {
893                hasErrors = true;
894            }
895            NOISY(printf("Attr %s: type=0x%x, str=%s\n",
896                   String8(e.name).string(), e.value.dataType,
897                   String8(e.string).string()));
898        }
899    }
900    const size_t N = mChildren.size();
901    for (size_t i=0; i<N; i++) {
902        status_t err = mChildren.itemAt(i)->parseValues(assets, table);
903        if (err != NO_ERROR) {
904            hasErrors = true;
905        }
906    }
907    return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
908}
909
910status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
911                                    const ResourceTable* table)
912{
913    bool hasErrors = false;
914
915    if (getType() == TYPE_ELEMENT) {
916        String16 attr("attr");
917        const char* errorMsg;
918        const size_t N = mAttributes.size();
919        for (size_t i=0; i<N; i++) {
920            const attribute_entry& e = mAttributes.itemAt(i);
921            if (e.ns.size() <= 0) continue;
922            bool nsIsPublic;
923            String16 pkg(getNamespaceResourcePackage(e.ns, &nsIsPublic));
924            NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
925                    String8(getElementName()).string(),
926                    String8(e.name).string(),
927                    String8(e.string).string(),
928                    String8(e.ns).string(),
929                    (nsIsPublic) ? "public" : "private",
930                    String8(pkg).string()));
931            if (pkg.size() <= 0) continue;
932            uint32_t res = table != NULL
933                ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
934                : assets->getIncludedResources().
935                    identifierForName(e.name.string(), e.name.size(),
936                                      attr.string(), attr.size(),
937                                      pkg.string(), pkg.size());
938            if (res != 0) {
939                NOISY(printf("XML attribute name %s: resid=0x%08x\n",
940                             String8(e.name).string(), res));
941                setAttributeResID(i, res);
942            } else {
943                SourcePos(mFilename, getStartLineNumber()).error(
944                        "No resource identifier found for attribute '%s' in package '%s'\n",
945                        String8(e.name).string(), String8(pkg).string());
946                hasErrors = true;
947            }
948        }
949    }
950    const size_t N = mChildren.size();
951    for (size_t i=0; i<N; i++) {
952        status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
953        if (err < NO_ERROR) {
954            hasErrors = true;
955        }
956    }
957
958    return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
959}
960
961status_t XMLNode::flatten(const sp<AaptFile>& dest,
962        bool stripComments, bool stripRawValues) const
963{
964    StringPool strings = StringPool(false, mUTF8);
965    Vector<uint32_t> resids;
966
967    // First collect just the strings for attribute names that have a
968    // resource ID assigned to them.  This ensures that the resource ID
969    // array is compact, and makes it easier to deal with attribute names
970    // in different namespaces (and thus with different resource IDs).
971    collect_resid_strings(&strings, &resids);
972
973    // Next collect all remainibng strings.
974    collect_strings(&strings, &resids, stripComments, stripRawValues);
975
976#if 0  // No longer compiles
977    NOISY(printf("Found strings:\n");
978        const size_t N = strings.size();
979        for (size_t i=0; i<N; i++) {
980            printf("%s\n", String8(strings.entryAt(i).string).string());
981        }
982    );
983#endif
984
985    sp<AaptFile> stringPool = strings.createStringBlock();
986    NOISY(aout << "String pool:"
987          << HexDump(stringPool->getData(), stringPool->getSize()) << endl);
988
989    ResXMLTree_header header;
990    memset(&header, 0, sizeof(header));
991    header.header.type = htods(RES_XML_TYPE);
992    header.header.headerSize = htods(sizeof(header));
993
994    const size_t basePos = dest->getSize();
995    dest->writeData(&header, sizeof(header));
996    dest->writeData(stringPool->getData(), stringPool->getSize());
997
998    // If we have resource IDs, write them.
999    if (resids.size() > 0) {
1000        const size_t resIdsPos = dest->getSize();
1001        const size_t resIdsSize =
1002            sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
1003        ResChunk_header* idsHeader = (ResChunk_header*)
1004            (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
1005        idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
1006        idsHeader->headerSize = htods(sizeof(*idsHeader));
1007        idsHeader->size = htodl(resIdsSize);
1008        uint32_t* ids = (uint32_t*)(idsHeader+1);
1009        for (size_t i=0; i<resids.size(); i++) {
1010            *ids++ = htodl(resids[i]);
1011        }
1012    }
1013
1014    flatten_node(strings, dest, stripComments, stripRawValues);
1015
1016    void* data = dest->editData();
1017    ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
1018    size_t size = dest->getSize()-basePos;
1019    hd->header.size = htodl(dest->getSize()-basePos);
1020
1021    NOISY(aout << "XML resource:"
1022          << HexDump(dest->getData(), dest->getSize()) << endl);
1023
1024    #if PRINT_STRING_METRICS
1025    fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
1026        dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
1027        dest->getPath().string());
1028    #endif
1029
1030    return NO_ERROR;
1031}
1032
1033void XMLNode::print(int indent)
1034{
1035    String8 prefix;
1036    int i;
1037    for (i=0; i<indent; i++) {
1038        prefix.append("  ");
1039    }
1040    if (getType() == TYPE_ELEMENT) {
1041        String8 elemNs(getNamespaceUri());
1042        if (elemNs.size() > 0) {
1043            elemNs.append(":");
1044        }
1045        printf("%s E: %s%s", prefix.string(),
1046               elemNs.string(), String8(getElementName()).string());
1047        int N = mAttributes.size();
1048        for (i=0; i<N; i++) {
1049            ssize_t idx = mAttributeOrder.valueAt(i);
1050            if (i == 0) {
1051                printf(" / ");
1052            } else {
1053                printf(", ");
1054            }
1055            const attribute_entry& attr = mAttributes.itemAt(idx);
1056            String8 attrNs(attr.ns);
1057            if (attrNs.size() > 0) {
1058                attrNs.append(":");
1059            }
1060            if (attr.nameResId) {
1061                printf("%s%s(0x%08x)", attrNs.string(),
1062                       String8(attr.name).string(), attr.nameResId);
1063            } else {
1064                printf("%s%s", attrNs.string(), String8(attr.name).string());
1065            }
1066            printf("=%s", String8(attr.string).string());
1067        }
1068        printf("\n");
1069    } else if (getType() == TYPE_NAMESPACE) {
1070        printf("%s N: %s=%s\n", prefix.string(),
1071               getNamespacePrefix().size() > 0
1072                    ? String8(getNamespacePrefix()).string() : "<DEF>",
1073               String8(getNamespaceUri()).string());
1074    } else {
1075        printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
1076    }
1077    int N = mChildren.size();
1078    for (i=0; i<N; i++) {
1079        mChildren.itemAt(i)->print(indent+1);
1080    }
1081}
1082
1083static void splitName(const char* name, String16* outNs, String16* outName)
1084{
1085    const char* p = name;
1086    while (*p != 0 && *p != 1) {
1087        p++;
1088    }
1089    if (*p == 0) {
1090        *outNs = String16();
1091        *outName = String16(name);
1092    } else {
1093        *outNs = String16(name, (p-name));
1094        *outName = String16(p+1);
1095    }
1096}
1097
1098void XMLCALL
1099XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
1100{
1101    NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
1102    ParseState* st = (ParseState*)userData;
1103    sp<XMLNode> node = XMLNode::newNamespace(st->filename,
1104            String16(prefix != NULL ? prefix : ""), String16(uri));
1105    node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1106    if (st->stack.size() > 0) {
1107        st->stack.itemAt(st->stack.size()-1)->addChild(node);
1108    } else {
1109        st->root = node;
1110    }
1111    st->stack.push(node);
1112}
1113
1114void XMLCALL
1115XMLNode::startElement(void *userData, const char *name, const char **atts)
1116{
1117    NOISY_PARSE(printf("Start Element: %s\n", name));
1118    ParseState* st = (ParseState*)userData;
1119    String16 ns16, name16;
1120    splitName(name, &ns16, &name16);
1121    sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
1122    node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1123    if (st->pendingComment.size() > 0) {
1124        node->appendComment(st->pendingComment);
1125        st->pendingComment = String16();
1126    }
1127    if (st->stack.size() > 0) {
1128        st->stack.itemAt(st->stack.size()-1)->addChild(node);
1129    } else {
1130        st->root = node;
1131    }
1132    st->stack.push(node);
1133
1134    for (int i = 0; atts[i]; i += 2) {
1135        splitName(atts[i], &ns16, &name16);
1136        node->addAttribute(ns16, name16, String16(atts[i+1]));
1137    }
1138}
1139
1140void XMLCALL
1141XMLNode::characterData(void *userData, const XML_Char *s, int len)
1142{
1143    NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
1144    ParseState* st = (ParseState*)userData;
1145    sp<XMLNode> node = NULL;
1146    if (st->stack.size() == 0) {
1147        return;
1148    }
1149    sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
1150    if (parent != NULL && parent->getChildren().size() > 0) {
1151        node = parent->getChildren()[parent->getChildren().size()-1];
1152        if (node->getType() != TYPE_CDATA) {
1153            // Last node is not CDATA, need to make a new node.
1154            node = NULL;
1155        }
1156    }
1157
1158    if (node == NULL) {
1159        node = XMLNode::newCData(st->filename);
1160        node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1161        parent->addChild(node);
1162    }
1163
1164    node->appendChars(String16(s, len));
1165}
1166
1167void XMLCALL
1168XMLNode::endElement(void *userData, const char *name)
1169{
1170    NOISY_PARSE(printf("End Element: %s\n", name));
1171    ParseState* st = (ParseState*)userData;
1172    sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1173    node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1174    if (st->pendingComment.size() > 0) {
1175        node->appendComment(st->pendingComment);
1176        st->pendingComment = String16();
1177    }
1178    String16 ns16, name16;
1179    splitName(name, &ns16, &name16);
1180    LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
1181                        || node->getElementName() != name16,
1182                        "Bad end element %s", name);
1183    st->stack.pop();
1184}
1185
1186void XMLCALL
1187XMLNode::endNamespace(void *userData, const char *prefix)
1188{
1189    const char* nonNullPrefix = prefix != NULL ? prefix : "";
1190    NOISY_PARSE(printf("End Namespace: %s\n", prefix));
1191    ParseState* st = (ParseState*)userData;
1192    sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1193    node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1194    LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
1195                        "Bad end namespace %s", prefix);
1196    st->stack.pop();
1197}
1198
1199void XMLCALL
1200XMLNode::commentData(void *userData, const char *comment)
1201{
1202    NOISY_PARSE(printf("Comment: %s\n", comment));
1203    ParseState* st = (ParseState*)userData;
1204    if (st->pendingComment.size() > 0) {
1205        st->pendingComment.append(String16("\n"));
1206    }
1207    st->pendingComment.append(String16(comment));
1208}
1209
1210status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
1211        bool stripComments, bool stripRawValues) const
1212{
1213    collect_attr_strings(dest, outResIds, true);
1214
1215    int i;
1216    if (mNamespacePrefix.size() > 0) {
1217        dest->add(mNamespacePrefix, true);
1218    }
1219    if (mNamespaceUri.size() > 0) {
1220        dest->add(mNamespaceUri, true);
1221    }
1222    if (mElementName.size() > 0) {
1223        dest->add(mElementName, true);
1224    }
1225
1226    if (!stripComments && mComment.size() > 0) {
1227        dest->add(mComment, true);
1228    }
1229
1230    const int NA = mAttributes.size();
1231
1232    for (i=0; i<NA; i++) {
1233        const attribute_entry& ae = mAttributes.itemAt(i);
1234        if (ae.ns.size() > 0) {
1235            dest->add(ae.ns, true);
1236        }
1237        if (!stripRawValues || ae.needStringValue()) {
1238            dest->add(ae.string, true);
1239        }
1240        /*
1241        if (ae.value.dataType == Res_value::TYPE_NULL
1242                || ae.value.dataType == Res_value::TYPE_STRING) {
1243            dest->add(ae.string, true);
1244        }
1245        */
1246    }
1247
1248    if (mElementName.size() == 0) {
1249        // If not an element, include the CDATA, even if it is empty.
1250        dest->add(mChars, true);
1251    }
1252
1253    const int NC = mChildren.size();
1254
1255    for (i=0; i<NC; i++) {
1256        mChildren.itemAt(i)->collect_strings(dest, outResIds,
1257                stripComments, stripRawValues);
1258    }
1259
1260    return NO_ERROR;
1261}
1262
1263status_t XMLNode::collect_attr_strings(StringPool* outPool,
1264        Vector<uint32_t>* outResIds, bool allAttrs) const {
1265    const int NA = mAttributes.size();
1266
1267    for (int i=0; i<NA; i++) {
1268        const attribute_entry& attr = mAttributes.itemAt(i);
1269        uint32_t id = attr.nameResId;
1270        if (id || allAttrs) {
1271            // See if we have already assigned this resource ID to a pooled
1272            // string...
1273            const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
1274            ssize_t idx = -1;
1275            if (indices != NULL) {
1276                const int NJ = indices->size();
1277                const size_t NR = outResIds->size();
1278                for (int j=0; j<NJ; j++) {
1279                    size_t strIdx = indices->itemAt(j);
1280                    if (strIdx >= NR) {
1281                        if (id == 0) {
1282                            // We don't need to assign a resource ID for this one.
1283                            idx = strIdx;
1284                            break;
1285                        }
1286                        // Just ignore strings that are out of range of
1287                        // the currently assigned resource IDs...  we add
1288                        // strings as we assign the first ID.
1289                    } else if (outResIds->itemAt(strIdx) == id) {
1290                        idx = strIdx;
1291                        break;
1292                    }
1293                }
1294            }
1295            if (idx < 0) {
1296                idx = outPool->add(attr.name);
1297                NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
1298                        String8(attr.name).string(), id, idx));
1299                if (id != 0) {
1300                    while ((ssize_t)outResIds->size() <= idx) {
1301                        outResIds->add(0);
1302                    }
1303                    outResIds->replaceAt(id, idx);
1304                }
1305            }
1306            attr.namePoolIdx = idx;
1307            NOISY(printf("String %s offset=0x%08x\n",
1308                         String8(attr.name).string(), idx));
1309        }
1310    }
1311
1312    return NO_ERROR;
1313}
1314
1315status_t XMLNode::collect_resid_strings(StringPool* outPool,
1316        Vector<uint32_t>* outResIds) const
1317{
1318    collect_attr_strings(outPool, outResIds, false);
1319
1320    const int NC = mChildren.size();
1321
1322    for (int i=0; i<NC; i++) {
1323        mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
1324    }
1325
1326    return NO_ERROR;
1327}
1328
1329status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
1330        bool stripComments, bool stripRawValues) const
1331{
1332    ResXMLTree_node node;
1333    ResXMLTree_cdataExt cdataExt;
1334    ResXMLTree_namespaceExt namespaceExt;
1335    ResXMLTree_attrExt attrExt;
1336    const void* extData = NULL;
1337    size_t extSize = 0;
1338    ResXMLTree_attribute attr;
1339
1340    const size_t NA = mAttributes.size();
1341    const size_t NC = mChildren.size();
1342    size_t i;
1343
1344    LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
1345
1346    const String16 id16("id");
1347    const String16 class16("class");
1348    const String16 style16("style");
1349
1350    const type type = getType();
1351
1352    memset(&node, 0, sizeof(node));
1353    memset(&attr, 0, sizeof(attr));
1354    node.header.headerSize = htods(sizeof(node));
1355    node.lineNumber = htodl(getStartLineNumber());
1356    if (!stripComments) {
1357        node.comment.index = htodl(
1358            mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
1359        //if (mComment.size() > 0) {
1360        //  printf("Flattening comment: %s\n", String8(mComment).string());
1361        //}
1362    } else {
1363        node.comment.index = htodl((uint32_t)-1);
1364    }
1365    if (type == TYPE_ELEMENT) {
1366        node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
1367        extData = &attrExt;
1368        extSize = sizeof(attrExt);
1369        memset(&attrExt, 0, sizeof(attrExt));
1370        if (mNamespaceUri.size() > 0) {
1371            attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
1372        } else {
1373            attrExt.ns.index = htodl((uint32_t)-1);
1374        }
1375        attrExt.name.index = htodl(strings.offsetForString(mElementName));
1376        attrExt.attributeStart = htods(sizeof(attrExt));
1377        attrExt.attributeSize = htods(sizeof(attr));
1378        attrExt.attributeCount = htods(NA);
1379        attrExt.idIndex = htods(0);
1380        attrExt.classIndex = htods(0);
1381        attrExt.styleIndex = htods(0);
1382        for (i=0; i<NA; i++) {
1383            ssize_t idx = mAttributeOrder.valueAt(i);
1384            const attribute_entry& ae = mAttributes.itemAt(idx);
1385            if (ae.ns.size() == 0) {
1386                if (ae.name == id16) {
1387                    attrExt.idIndex = htods(i+1);
1388                } else if (ae.name == class16) {
1389                    attrExt.classIndex = htods(i+1);
1390                } else if (ae.name == style16) {
1391                    attrExt.styleIndex = htods(i+1);
1392                }
1393            }
1394        }
1395    } else if (type == TYPE_NAMESPACE) {
1396        node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
1397        extData = &namespaceExt;
1398        extSize = sizeof(namespaceExt);
1399        memset(&namespaceExt, 0, sizeof(namespaceExt));
1400        if (mNamespacePrefix.size() > 0) {
1401            namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1402        } else {
1403            namespaceExt.prefix.index = htodl((uint32_t)-1);
1404        }
1405        namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1406        namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
1407        LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
1408    } else if (type == TYPE_CDATA) {
1409        node.header.type = htods(RES_XML_CDATA_TYPE);
1410        extData = &cdataExt;
1411        extSize = sizeof(cdataExt);
1412        memset(&cdataExt, 0, sizeof(cdataExt));
1413        cdataExt.data.index = htodl(strings.offsetForString(mChars));
1414        cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
1415        cdataExt.typedData.res0 = 0;
1416        cdataExt.typedData.dataType = mCharsValue.dataType;
1417        cdataExt.typedData.data = htodl(mCharsValue.data);
1418        LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
1419    }
1420
1421    node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
1422
1423    dest->writeData(&node, sizeof(node));
1424    if (extSize > 0) {
1425        dest->writeData(extData, extSize);
1426    }
1427
1428    for (i=0; i<NA; i++) {
1429        ssize_t idx = mAttributeOrder.valueAt(i);
1430        const attribute_entry& ae = mAttributes.itemAt(idx);
1431        if (ae.ns.size() > 0) {
1432            attr.ns.index = htodl(strings.offsetForString(ae.ns));
1433        } else {
1434            attr.ns.index = htodl((uint32_t)-1);
1435        }
1436        attr.name.index = htodl(ae.namePoolIdx);
1437
1438        if (!stripRawValues || ae.needStringValue()) {
1439            attr.rawValue.index = htodl(strings.offsetForString(ae.string));
1440        } else {
1441            attr.rawValue.index = htodl((uint32_t)-1);
1442        }
1443        attr.typedValue.size = htods(sizeof(attr.typedValue));
1444        if (ae.value.dataType == Res_value::TYPE_NULL
1445                || ae.value.dataType == Res_value::TYPE_STRING) {
1446            attr.typedValue.res0 = 0;
1447            attr.typedValue.dataType = Res_value::TYPE_STRING;
1448            attr.typedValue.data = htodl(strings.offsetForString(ae.string));
1449        } else {
1450            attr.typedValue.res0 = 0;
1451            attr.typedValue.dataType = ae.value.dataType;
1452            attr.typedValue.data = htodl(ae.value.data);
1453        }
1454        dest->writeData(&attr, sizeof(attr));
1455    }
1456
1457    for (i=0; i<NC; i++) {
1458        status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
1459                stripComments, stripRawValues);
1460        if (err != NO_ERROR) {
1461            return err;
1462        }
1463    }
1464
1465    if (type == TYPE_ELEMENT) {
1466        ResXMLTree_endElementExt endElementExt;
1467        memset(&endElementExt, 0, sizeof(endElementExt));
1468        node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
1469        node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
1470        node.lineNumber = htodl(getEndLineNumber());
1471        node.comment.index = htodl((uint32_t)-1);
1472        endElementExt.ns.index = attrExt.ns.index;
1473        endElementExt.name.index = attrExt.name.index;
1474        dest->writeData(&node, sizeof(node));
1475        dest->writeData(&endElementExt, sizeof(endElementExt));
1476    } else if (type == TYPE_NAMESPACE) {
1477        node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
1478        node.lineNumber = htodl(getEndLineNumber());
1479        node.comment.index = htodl((uint32_t)-1);
1480        node.header.size = htodl(sizeof(node)+extSize);
1481        dest->writeData(&node, sizeof(node));
1482        dest->writeData(extData, extSize);
1483    }
1484
1485    return NO_ERROR;
1486}
1487