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.
30 static const bool kIsDebug = false;
31 // Set to true for noisy debug output of parsing.
32 static const bool kIsDebugParse = false;
33
34 #if PRINT_STRING_METRICS
35 static const bool kPrintStringMetrics = true;
36 #else
37 static const bool kPrintStringMetrics = false;
38 #endif
39
40 const char* const RESOURCES_ROOT_NAMESPACE = "http://schemas.android.com/apk/res/";
41 const char* const RESOURCES_ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
42 const char* const RESOURCES_AUTO_PACKAGE_NAMESPACE = "http://schemas.android.com/apk/res-auto";
43 const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
44
45 const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
46 const char* const ALLOWED_XLIFF_ELEMENTS[] = {
47 "bpt",
48 "ept",
49 "it",
50 "ph",
51 "g",
52 "bx",
53 "ex",
54 "x"
55 };
56
isWhitespace(const char16_t * str)57 bool isWhitespace(const char16_t* str)
58 {
59 while (*str != 0 && *str < 128 && isspace(*str)) {
60 str++;
61 }
62 return *str == 0;
63 }
64
65 static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
66 static const String16 RESOURCES_PREFIX_AUTO_PACKAGE(RESOURCES_AUTO_PACKAGE_NAMESPACE);
67 static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
68 static const String16 RESOURCES_TOOLS_NAMESPACE("http://schemas.android.com/tools");
69
getNamespaceResourcePackage(String16 appPackage,String16 namespaceUri,bool * outIsPublic)70 String16 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
hasSubstitutionErrors(const char * fileName,ResXMLTree * inXml,String16 str16)99 status_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
parseStyledString(Bundle *,const char * fileName,ResXMLTree * inXml,const String16 & endTag,String16 * outString,Vector<StringPool::entry_style_span> * outSpans,bool isFormatted,PseudolocalizationMethod pseudolocalize)204 status_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 }
272 moveon:
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
405 struct namespace_entry {
406 String8 prefix;
407 String8 uri;
408 };
409
make_prefix(int depth)410 static 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
build_namespace(const Vector<namespace_entry> & namespaces,const char16_t * ns)420 static 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
printXMLBlock(ResXMLTree * block)439 void 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
parseXMLResource(const sp<AaptFile> & file,ResXMLTree * outTree,bool stripAll,bool keepComments,const char ** cDataTags)554 status_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
parse(const sp<AaptFile> & file)586 sp<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
XMLNode()632 XMLNode::XMLNode()
633 : mNextAttributeIndex(0x80000000)
634 , mStartLineNumber(0)
635 , mEndLineNumber(0)
636 , mUTF8(false) {}
637
XMLNode(const String8 & filename,const String16 & s1,const String16 & s2,bool isNamespace)638 XMLNode::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
XMLNode(const String8 & filename)654 XMLNode::XMLNode(const String8& filename)
655 : mFilename(filename)
656 {
657 memset(&mCharsValue, 0, sizeof(mCharsValue));
658 }
659
getType() const660 XMLNode::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
getNamespacePrefix() const671 const String16& XMLNode::getNamespacePrefix() const
672 {
673 return mNamespacePrefix;
674 }
675
getNamespaceUri() const676 const String16& XMLNode::getNamespaceUri() const
677 {
678 return mNamespaceUri;
679 }
680
getElementNamespace() const681 const String16& XMLNode::getElementNamespace() const
682 {
683 return mNamespaceUri;
684 }
685
getElementName() const686 const String16& XMLNode::getElementName() const
687 {
688 return mElementName;
689 }
690
getChildren() const691 const Vector<sp<XMLNode> >& XMLNode::getChildren() const
692 {
693 return mChildren;
694 }
695
getFilename() const696 const String8& XMLNode::getFilename() const
697 {
698 return mFilename;
699 }
700
701 const Vector<XMLNode::attribute_entry>&
getAttributes() const702 XMLNode::getAttributes() const
703 {
704 return mAttributes;
705 }
706
getAttribute(const String16 & ns,const String16 & name) const707 const 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
editAttribute(const String16 & ns,const String16 & name)720 XMLNode::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
getCData() const733 const String16& XMLNode::getCData() const
734 {
735 return mChars;
736 }
737
getComment() const738 const String16& XMLNode::getComment() const
739 {
740 return mComment;
741 }
742
getStartLineNumber() const743 int32_t XMLNode::getStartLineNumber() const
744 {
745 return mStartLineNumber;
746 }
747
getEndLineNumber() const748 int32_t XMLNode::getEndLineNumber() const
749 {
750 return mEndLineNumber;
751 }
752
searchElement(const String16 & tagNamespace,const String16 & tagName)753 sp<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
getChildElement(const String16 & tagNamespace,const String16 & tagName)771 sp<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
addChild(const sp<XMLNode> & child)785 status_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
insertChildAt(const sp<XMLNode> & child,size_t index)796 status_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
addAttribute(const String16 & ns,const String16 & name,const String16 & value)807 status_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
removeAttribute(size_t index)827 status_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
setAttributeResID(size_t attrIdx,uint32_t resId)853 void 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
appendChars(const String16 & chars)872 status_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
appendComment(const String16 & comment)882 status_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
setStartLineNumber(int32_t line)891 void XMLNode::setStartLineNumber(int32_t line)
892 {
893 mStartLineNumber = line;
894 }
895
setEndLineNumber(int32_t line)896 void XMLNode::setEndLineNumber(int32_t line)
897 {
898 mEndLineNumber = line;
899 }
900
removeWhitespace(bool stripAll,const char ** cDataTags)901 void 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
parseValues(const sp<AaptAssets> & assets,ResourceTable * table)959 status_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
assignResourceIds(const sp<AaptAssets> & assets,const ResourceTable * table)995 status_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
clone() const1050 sp<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(©->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
flatten(const sp<AaptFile> & dest,bool stripComments,bool stripRawValues) const1074 status_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
print(int indent)1131 void 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
splitName(const char * name,String16 * outNs,String16 * outName)1181 static 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
1196 void XMLCALL
startNamespace(void * userData,const char * prefix,const char * uri)1197 XMLNode::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
1214 void XMLCALL
startElement(void * userData,const char * name,const char ** atts)1215 XMLNode::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
1242 void XMLCALL
characterData(void * userData,const XML_Char * s,int len)1243 XMLNode::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
1271 void XMLCALL
endElement(void * userData,const char * name)1272 XMLNode::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
1292 void XMLCALL
endNamespace(void * userData,const char * prefix)1293 XMLNode::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
1307 void XMLCALL
commentData(void * userData,const char * comment)1308 XMLNode::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
collect_strings(StringPool * dest,Vector<uint32_t> * outResIds,bool stripComments,bool stripRawValues) const1320 status_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
collect_attr_strings(StringPool * outPool,Vector<uint32_t> * outResIds,bool allAttrs) const1375 status_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
collect_resid_strings(StringPool * outPool,Vector<uint32_t> * outResIds) const1430 status_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
flatten_node(const StringPool & strings,const sp<AaptFile> & dest,bool stripComments,bool stripRawValues) const1444 status_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