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