XMLNode.cpp

   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
  22 const char* const RESOURCES_ROOT_NAMESPACE = "http://schemas.android.com/apk/res/";
  23 const char* const RESOURCES_ANDROID_NAMESPACE = "http://schemas.android.com/apk/res/android";
  24 const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
  25
  26 const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
  27 const char* const ALLOWED_XLIFF_ELEMENTS[] = {
  28         "bpt",
  29         "ept",
  30         "it",
  31         "ph",
  32         "g",
  33         "bx",
  34         "ex",
  35         "x"
  36     };
  37
  38 bool isWhitespace(const char16_t* str)
  39 {
  40     while (*str != 0 && *str < 128 && isspace(*str)) {
  41         str++;
  42     }
  43     return *str == 0;
  44 }
  45
  46 static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
  47 static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
  48
  49 String16 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
  71 status_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                 }
 133 moveon:
 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
 259 struct namespace_entry {
 260     String8 prefix;
 261     String8 uri;
 262 };
 263
 264 static 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
 274 static 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
 293 void 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
 397 status_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
 425 sp<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
 471 XMLNode::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
 486 XMLNode::XMLNode(const String8& filename)
 487     : mFilename(filename)
 488 {
 489     memset(&mCharsValue, 0, sizeof(mCharsValue));
 490 }
 491
 492 XMLNode::type XMLNode::getType() const
 493 {
 494     if (mElementName.size() != 0) {
 495         return TYPE_ELEMENT;
 496     }
 497     if (mNamespaceUri.size() != 0) {
 498         return TYPE_NAMESPACE;
 499     }
 500     return TYPE_CDATA;
 501 }
 502
 503 const String16& XMLNode::getNamespacePrefix() const
 504 {
 505     return mNamespacePrefix;
 506 }
 507
 508 const String16& XMLNode::getNamespaceUri() const
 509 {
 510     return mNamespaceUri;
 511 }
 512
 513 const String16& XMLNode::getElementNamespace() const
 514 {
 515     return mNamespaceUri;
 516 }
 517
 518 const String16& XMLNode::getElementName() const
 519 {
 520     return mElementName;
 521 }
 522
 523 const Vector<sp<XMLNode> >& XMLNode::getChildren() const
 524 {
 525     return mChildren;
 526 }
 527
 528 const Vector<XMLNode::attribute_entry>&
 529     XMLNode::getAttributes() const
 530 {
 531     return mAttributes;
 532 }
 533
 534 const String16& XMLNode::getCData() const
 535 {
 536     return mChars;
 537 }
 538
 539 const String16& XMLNode::getComment() const
 540 {
 541     return mComment;
 542 }
 543
 544 int32_t XMLNode::getStartLineNumber() const
 545 {
 546     return mStartLineNumber;
 547 }
 548
 549 int32_t XMLNode::getEndLineNumber() const
 550 {
 551     return mEndLineNumber;
 552 }
 553
 554 status_t XMLNode::addChild(const sp<XMLNode>& child)
 555 {
 556     if (getType() == TYPE_CDATA) {
 557         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
 558         return UNKNOWN_ERROR;
 559     }
 560     //printf("Adding child %p to parent %p\n", child.get(), this);
 561     mChildren.add(child);
 562     return NO_ERROR;
 563 }
 564
 565 status_t XMLNode::addAttribute(const String16& ns, const String16& name,
 566                                const String16& value)
 567 {
 568     if (getType() == TYPE_CDATA) {
 569         SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
 570         return UNKNOWN_ERROR;
 571     }
 572     attribute_entry e;
 573     e.index = mNextAttributeIndex++;
 574     e.ns = ns;
 575     e.name = name;
 576     e.string = value;
 577     mAttributes.add(e);
 578     mAttributeOrder.add(e.index, mAttributes.size()-1);
 579     return NO_ERROR;
 580 }
 581
 582 void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
 583 {
 584     attribute_entry& e = mAttributes.editItemAt(attrIdx);
 585     if (e.nameResId) {
 586         mAttributeOrder.removeItem(e.nameResId);
 587     } else {
 588         mAttributeOrder.removeItem(e.index);
 589     }
 590     NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
 591             String8(getElementName()).string(),
 592             String8(mAttributes.itemAt(attrIdx).name).string(),
 593             String8(mAttributes.itemAt(attrIdx).string).string(),
 594             resId));
 595     mAttributes.editItemAt(attrIdx).nameResId = resId;
 596     mAttributeOrder.add(resId, attrIdx);
 597 }
 598
 599 status_t XMLNode::appendChars(const String16& chars)
 600 {
 601     if (getType() != TYPE_CDATA) {
 602         SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
 603         return UNKNOWN_ERROR;
 604     }
 605     mChars.append(chars);
 606     return NO_ERROR;
 607 }
 608
 609 status_t XMLNode::appendComment(const String16& comment)
 610 {
 611     if (mComment.size() > 0) {
 612         mComment.append(String16("\n"));
 613     }
 614     mComment.append(comment);
 615     return NO_ERROR;
 616 }
 617
 618 void XMLNode::setStartLineNumber(int32_t line)
 619 {
 620     mStartLineNumber = line;
 621 }
 622
 623 void XMLNode::setEndLineNumber(int32_t line)
 624 {
 625     mEndLineNumber = line;
 626 }
 627
 628 void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
 629 {
 630     //printf("Removing whitespace in %s\n", String8(mElementName).string());
 631     size_t N = mChildren.size();
 632     if (cDataTags) {
 633         String8 tag(mElementName);
 634         const char** p = cDataTags;
 635         while (*p) {
 636             if (tag == *p) {
 637                 stripAll = false;
 638                 break;
 639             }
 640         }
 641     }
 642     for (size_t i=0; i<N; i++) {
 643         sp<XMLNode> node = mChildren.itemAt(i);
 644         if (node->getType() == TYPE_CDATA) {
 645             // This is a CDATA node...
 646             const char16_t* p = node->mChars.string();
 647             while (*p != 0 && *p < 128 && isspace(*p)) {
 648                 p++;
 649             }
 650             //printf("Space ends at %d in \"%s\"\n",
 651             //       (int)(p-node->mChars.string()),
 652             //       String8(node->mChars).string());
 653             if (*p == 0) {
 654                 if (stripAll) {
 655                     // Remove this node!
 656                     mChildren.removeAt(i);
 657                     N--;
 658                     i--;
 659                 } else {
 660                     node->mChars = String16(" ");
 661                 }
 662             } else {
 663                 // Compact leading/trailing whitespace.
 664                 const char16_t* e = node->mChars.string()+node->mChars.size()-1;
 665                 while (e > p && *e < 128 && isspace(*e)) {
 666                     e--;
 667                 }
 668                 if (p > node->mChars.string()) {
 669                     p--;
 670                 }
 671                 if (e < (node->mChars.string()+node->mChars.size()-1)) {
 672                     e++;
 673                 }
 674                 if (p > node->mChars.string() ||
 675                     e < (node->mChars.string()+node->mChars.size()-1)) {
 676                     String16 tmp(p, e-p+1);
 677                     node->mChars = tmp;
 678                 }
 679             }
 680         } else {
 681             node->removeWhitespace(stripAll, cDataTags);
 682         }
 683     }
 684 }
 685
 686 status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
 687                               ResourceTable* table)
 688 {
 689     bool hasErrors = false;
 690
 691     if (getType() == TYPE_ELEMENT) {
 692         const size_t N = mAttributes.size();
 693         String16 defPackage(assets->getPackage());
 694         for (size_t i=0; i<N; i++) {
 695             attribute_entry& e = mAttributes.editItemAt(i);
 696             AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
 697                     String8(e.string));
 698             table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
 699             if (!assets->getIncludedResources()
 700                     .stringToValue(&e.value, &e.string,
 701                                   e.string.string(), e.string.size(), true, true,
 702                                   e.nameResId, NULL, &defPackage, table, &ac)) {
 703                 hasErrors = true;
 704             }
 705             NOISY(printf("Attr %s: type=0x%x, str=%s\n",
 706                    String8(e.name).string(), e.value.dataType,
 707                    String8(e.string).string()));
 708         }
 709     }
 710     const size_t N = mChildren.size();
 711     for (size_t i=0; i<N; i++) {
 712         status_t err = mChildren.itemAt(i)->parseValues(assets, table);
 713         if (err != NO_ERROR) {
 714             hasErrors = true;
 715         }
 716     }
 717     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
 718 }
 719
 720 status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
 721                                     const ResourceTable* table)
 722 {
 723     bool hasErrors = false;
 724
 725     if (getType() == TYPE_ELEMENT) {
 726         String16 attr("attr");
 727         const char* errorMsg;
 728         const size_t N = mAttributes.size();
 729         for (size_t i=0; i<N; i++) {
 730             const attribute_entry& e = mAttributes.itemAt(i);
 731             if (e.ns.size() <= 0) continue;
 732             bool nsIsPublic;
 733             String16 pkg(getNamespaceResourcePackage(e.ns, &nsIsPublic));
 734             NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
 735                     String8(getElementName()).string(),
 736                     String8(e.name).string(),
 737                     String8(e.string).string(),
 738                     String8(e.ns).string(),
 739                     (nsIsPublic) ? "public" : "private",
 740                     String8(pkg).string()));
 741             if (pkg.size() <= 0) continue;
 742             uint32_t res = table != NULL
 743                 ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
 744                 : assets->getIncludedResources().
 745                     identifierForName(e.name.string(), e.name.size(),
 746                                       attr.string(), attr.size(),
 747                                       pkg.string(), pkg.size());
 748             if (res != 0) {
 749                 NOISY(printf("XML attribute name %s: resid=0x%08x\n",
 750                              String8(e.name).string(), res));
 751                 setAttributeResID(i, res);
 752             } else {
 753                 SourcePos(mFilename, getStartLineNumber()).error(
 754                         "No resource identifier found for attribute '%s' in package '%s'\n",
 755                         String8(e.name).string(), String8(pkg).string());
 756                 hasErrors = true;
 757             }
 758         }
 759     }
 760     const size_t N = mChildren.size();
 761     for (size_t i=0; i<N; i++) {
 762         status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
 763         if (err < NO_ERROR) {
 764             hasErrors = true;
 765         }
 766     }
 767
 768     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
 769 }
 770
 771 status_t XMLNode::flatten(const sp<AaptFile>& dest,
 772         bool stripComments, bool stripRawValues) const
 773 {
 774     StringPool strings;
 775     Vector<uint32_t> resids;
 776
 777     // First collect just the strings for attribute names that have a
 778     // resource ID assigned to them.  This ensures that the resource ID
 779     // array is compact, and makes it easier to deal with attribute names
 780     // in different namespaces (and thus with different resource IDs).
 781     collect_resid_strings(&strings, &resids);
 782
 783     // Next collect all remainibng strings.
 784     collect_strings(&strings, &resids, stripComments, stripRawValues);
 785
 786 #if 0  // No longer compiles
 787     NOISY(printf("Found strings:\n");
 788         const size_t N = strings.size();
 789         for (size_t i=0; i<N; i++) {
 790             printf("%s\n", String8(strings.entryAt(i).string).string());
 791         }
 792     );
 793 #endif
 794
 795     sp<AaptFile> stringPool = strings.createStringBlock();
 796     NOISY(aout << "String pool:"
 797           << HexDump(stringPool->getData(), stringPool->getSize()) << endl);
 798
 799     ResXMLTree_header header;
 800     memset(&header, 0, sizeof(header));
 801     header.header.type = htods(RES_XML_TYPE);
 802     header.header.headerSize = htods(sizeof(header));
 803
 804     const size_t basePos = dest->getSize();
 805     dest->writeData(&header, sizeof(header));
 806     dest->writeData(stringPool->getData(), stringPool->getSize());
 807
 808     // If we have resource IDs, write them.
 809     if (resids.size() > 0) {
 810         const size_t resIdsPos = dest->getSize();
 811         const size_t resIdsSize =
 812             sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
 813         ResChunk_header* idsHeader = (ResChunk_header*)
 814             (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
 815         idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
 816         idsHeader->headerSize = htods(sizeof(*idsHeader));
 817         idsHeader->size = htodl(resIdsSize);
 818         uint32_t* ids = (uint32_t*)(idsHeader+1);
 819         for (size_t i=0; i<resids.size(); i++) {
 820             *ids++ = htodl(resids[i]);
 821         }
 822     }
 823
 824     flatten_node(strings, dest, stripComments, stripRawValues);
 825
 826     void* data = dest->editData();
 827     ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
 828     size_t size = dest->getSize()-basePos;
 829     hd->header.size = htodl(dest->getSize()-basePos);
 830
 831     NOISY(aout << "XML resource:"
 832           << HexDump(dest->getData(), dest->getSize()) << endl);
 833
 834     #if PRINT_STRING_METRICS
 835     fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
 836         dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
 837         dest->getPath().string());
 838     #endif
 839
 840     return NO_ERROR;
 841 }
 842
 843 void XMLNode::print(int indent)
 844 {
 845     String8 prefix;
 846     int i;
 847     for (i=0; i<indent; i++) {
 848         prefix.append("  ");
 849     }
 850     if (getType() == TYPE_ELEMENT) {
 851         String8 elemNs(getNamespaceUri());
 852         if (elemNs.size() > 0) {
 853             elemNs.append(":");
 854         }
 855         printf("%s E: %s%s", prefix.string(),
 856                elemNs.string(), String8(getElementName()).string());
 857         int N = mAttributes.size();
 858         for (i=0; i<N; i++) {
 859             ssize_t idx = mAttributeOrder.valueAt(i);
 860             if (i == 0) {
 861                 printf(" / ");
 862             } else {
 863                 printf(", ");
 864             }
 865             const attribute_entry& attr = mAttributes.itemAt(idx);
 866             String8 attrNs(attr.ns);
 867             if (attrNs.size() > 0) {
 868                 attrNs.append(":");
 869             }
 870             if (attr.nameResId) {
 871                 printf("%s%s(0x%08x)", attrNs.string(),
 872                        String8(attr.name).string(), attr.nameResId);
 873             } else {
 874                 printf("%s%s", attrNs.string(), String8(attr.name).string());
 875             }
 876             printf("=%s", String8(attr.string).string());
 877         }
 878         printf("\n");
 879     } else if (getType() == TYPE_NAMESPACE) {
 880         printf("%s N: %s=%s\n", prefix.string(),
 881                getNamespacePrefix().size() > 0
 882                     ? String8(getNamespacePrefix()).string() : "<DEF>",
 883                String8(getNamespaceUri()).string());
 884     } else {
 885         printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
 886     }
 887     int N = mChildren.size();
 888     for (i=0; i<N; i++) {
 889         mChildren.itemAt(i)->print(indent+1);
 890     }
 891 }
 892
 893 static void splitName(const char* name, String16* outNs, String16* outName)
 894 {
 895     const char* p = name;
 896     while (*p != 0 && *p != 1) {
 897         p++;
 898     }
 899     if (*p == 0) {
 900         *outNs = String16();
 901         *outName = String16(name);
 902     } else {
 903         *outNs = String16(name, (p-name));
 904         *outName = String16(p+1);
 905     }
 906 }
 907
 908 void XMLCALL
 909 XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
 910 {
 911     NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
 912     ParseState* st = (ParseState*)userData;
 913     sp<XMLNode> node = XMLNode::newNamespace(st->filename,
 914             String16(prefix != NULL ? prefix : ""), String16(uri));
 915     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
 916     if (st->stack.size() > 0) {
 917         st->stack.itemAt(st->stack.size()-1)->addChild(node);
 918     } else {
 919         st->root = node;
 920     }
 921     st->stack.push(node);
 922 }
 923
 924 void XMLCALL
 925 XMLNode::startElement(void *userData, const char *name, const char **atts)
 926 {
 927     NOISY_PARSE(printf("Start Element: %s\n", name));
 928     ParseState* st = (ParseState*)userData;
 929     String16 ns16, name16;
 930     splitName(name, &ns16, &name16);
 931     sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
 932     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
 933     if (st->pendingComment.size() > 0) {
 934         node->appendComment(st->pendingComment);
 935         st->pendingComment = String16();
 936     }
 937     if (st->stack.size() > 0) {
 938         st->stack.itemAt(st->stack.size()-1)->addChild(node);
 939     } else {
 940         st->root = node;
 941     }
 942     st->stack.push(node);
 943
 944     for (int i = 0; atts[i]; i += 2) {
 945         splitName(atts[i], &ns16, &name16);
 946         node->addAttribute(ns16, name16, String16(atts[i+1]));
 947     }
 948 }
 949
 950 void XMLCALL
 951 XMLNode::characterData(void *userData, const XML_Char *s, int len)
 952 {
 953     NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
 954     ParseState* st = (ParseState*)userData;
 955     sp<XMLNode> node = NULL;
 956     if (st->stack.size() == 0) {
 957         return;
 958     }
 959     sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
 960     if (parent != NULL && parent->getChildren().size() > 0) {
 961         node = parent->getChildren()[parent->getChildren().size()-1];
 962         if (node->getType() != TYPE_CDATA) {
 963             // Last node is not CDATA, need to make a new node.
 964             node = NULL;
 965         }
 966     }
 967
 968     if (node == NULL) {
 969         node = XMLNode::newCData(st->filename);
 970         node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
 971         parent->addChild(node);
 972     }
 973
 974     node->appendChars(String16(s, len));
 975 }
 976
 977 void XMLCALL
 978 XMLNode::endElement(void *userData, const char *name)
 979 {
 980     NOISY_PARSE(printf("End Element: %s\n", name));
 981     ParseState* st = (ParseState*)userData;
 982     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
 983     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
 984     if (st->pendingComment.size() > 0) {
 985         node->appendComment(st->pendingComment);
 986         st->pendingComment = String16();
 987     }
 988     String16 ns16, name16;
 989     splitName(name, &ns16, &name16);
 990     LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
 991                         || node->getElementName() != name16,
 992                         "Bad end element %s", name);
 993     st->stack.pop();
 994 }
 995
 996 void XMLCALL
 997 XMLNode::endNamespace(void *userData, const char *prefix)
 998 {
 999     const char* nonNullPrefix = prefix != NULL ? prefix : "";
1000     NOISY_PARSE(printf("End Namespace: %s\n", prefix));
1001     ParseState* st = (ParseState*)userData;
1002     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1003     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1004     LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
1005                         "Bad end namespace %s", prefix);
1006     st->stack.pop();
1007 }
1008
1009 void XMLCALL
1010 XMLNode::commentData(void *userData, const char *comment)
1011 {
1012     NOISY_PARSE(printf("Comment: %s\n", comment));
1013     ParseState* st = (ParseState*)userData;
1014     if (st->pendingComment.size() > 0) {
1015         st->pendingComment.append(String16("\n"));
1016     }
1017     st->pendingComment.append(String16(comment));
1018 }
1019
1020 status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
1021         bool stripComments, bool stripRawValues) const
1022 {
1023     collect_attr_strings(dest, outResIds, true);
1024
1025     int i;
1026     if (mNamespacePrefix.size() > 0) {
1027         dest->add(mNamespacePrefix, true);
1028     }
1029     if (mNamespaceUri.size() > 0) {
1030         dest->add(mNamespaceUri, true);
1031     }
1032     if (mElementName.size() > 0) {
1033         dest->add(mElementName, true);
1034     }
1035
1036     if (!stripComments && mComment.size() > 0) {
1037         dest->add(mComment, true);
1038     }
1039
1040     const int NA = mAttributes.size();
1041
1042     for (i=0; i<NA; i++) {
1043         const attribute_entry& ae = mAttributes.itemAt(i);
1044         if (ae.ns.size() > 0) {
1045             dest->add(ae.ns, true);
1046         }
1047         if (!stripRawValues || ae.needStringValue()) {
1048             dest->add(ae.string, true);
1049         }
1050         /*
1051         if (ae.value.dataType == Res_value::TYPE_NULL
1052                 || ae.value.dataType == Res_value::TYPE_STRING) {
1053             dest->add(ae.string, true);
1054         }
1055         */
1056     }
1057
1058     if (mElementName.size() == 0) {
1059         // If not an element, include the CDATA, even if it is empty.
1060         dest->add(mChars, true);
1061     }
1062
1063     const int NC = mChildren.size();
1064
1065     for (i=0; i<NC; i++) {
1066         mChildren.itemAt(i)->collect_strings(dest, outResIds,
1067                 stripComments, stripRawValues);
1068     }
1069
1070     return NO_ERROR;
1071 }
1072
1073 status_t XMLNode::collect_attr_strings(StringPool* outPool,
1074         Vector<uint32_t>* outResIds, bool allAttrs) const {
1075     const int NA = mAttributes.size();
1076
1077     for (int i=0; i<NA; i++) {
1078         const attribute_entry& attr = mAttributes.itemAt(i);
1079         uint32_t id = attr.nameResId;
1080         if (id || allAttrs) {
1081             // See if we have already assigned this resource ID to a pooled
1082             // string...
1083             const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
1084             ssize_t idx = -1;
1085             if (indices != NULL) {
1086                 const int NJ = indices->size();
1087                 const size_t NR = outResIds->size();
1088                 for (int j=0; j<NJ; j++) {
1089                     size_t strIdx = indices->itemAt(j);
1090                     if (strIdx >= NR) {
1091                         if (id == 0) {
1092                             // We don't need to assign a resource ID for this one.
1093                             idx = strIdx;
1094                             break;
1095                         }
1096                         // Just ignore strings that are out of range of
1097                         // the currently assigned resource IDs...  we add
1098                         // strings as we assign the first ID.
1099                     } else if (outResIds->itemAt(strIdx) == id) {
1100                         idx = strIdx;
1101                         break;
1102                     }
1103                 }
1104             }
1105             if (idx < 0) {
1106                 idx = outPool->add(attr.name);
1107                 NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
1108                         String8(attr.name).string(), id, idx));
1109                 if (id != 0) {
1110                     while ((ssize_t)outResIds->size() <= idx) {
1111                         outResIds->add(0);
1112                     }
1113                     outResIds->replaceAt(id, idx);
1114                 }
1115             }
1116             attr.namePoolIdx = idx;
1117             NOISY(printf("String %s offset=0x%08x\n",
1118                          String8(attr.name).string(), idx));
1119         }
1120     }
1121
1122     return NO_ERROR;
1123 }
1124
1125 status_t XMLNode::collect_resid_strings(StringPool* outPool,
1126         Vector<uint32_t>* outResIds) const
1127 {
1128     collect_attr_strings(outPool, outResIds, false);
1129
1130     const int NC = mChildren.size();
1131
1132     for (int i=0; i<NC; i++) {
1133         mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
1134     }
1135
1136     return NO_ERROR;
1137 }
1138
1139 status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
1140         bool stripComments, bool stripRawValues) const
1141 {
1142     ResXMLTree_node node;
1143     ResXMLTree_cdataExt cdataExt;
1144     ResXMLTree_namespaceExt namespaceExt;
1145     ResXMLTree_attrExt attrExt;
1146     const void* extData = NULL;
1147     size_t extSize = 0;
1148     ResXMLTree_attribute attr;
1149
1150     const size_t NA = mAttributes.size();
1151     const size_t NC = mChildren.size();
1152     size_t i;
1153
1154     LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
1155
1156     const String16 id16("id");
1157     const String16 class16("class");
1158     const String16 style16("style");
1159
1160     const type type = getType();
1161
1162     memset(&node, 0, sizeof(node));
1163     memset(&attr, 0, sizeof(attr));
1164     node.header.headerSize = htods(sizeof(node));
1165     node.lineNumber = htodl(getStartLineNumber());
1166     if (!stripComments) {
1167         node.comment.index = htodl(
1168             mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
1169         //if (mComment.size() > 0) {
1170         //  printf("Flattening comment: %s\n", String8(mComment).string());
1171         //}
1172     } else {
1173         node.comment.index = htodl((uint32_t)-1);
1174     }
1175     if (type == TYPE_ELEMENT) {
1176         node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
1177         extData = &attrExt;
1178         extSize = sizeof(attrExt);
1179         memset(&attrExt, 0, sizeof(attrExt));
1180         if (mNamespaceUri.size() > 0) {
1181             attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
1182         } else {
1183             attrExt.ns.index = htodl((uint32_t)-1);
1184         }
1185         attrExt.name.index = htodl(strings.offsetForString(mElementName));
1186         attrExt.attributeStart = htods(sizeof(attrExt));
1187         attrExt.attributeSize = htods(sizeof(attr));
1188         attrExt.attributeCount = htods(NA);
1189         attrExt.idIndex = htods(0);
1190         attrExt.classIndex = htods(0);
1191         attrExt.styleIndex = htods(0);
1192         for (i=0; i<NA; i++) {
1193             ssize_t idx = mAttributeOrder.valueAt(i);
1194             const attribute_entry& ae = mAttributes.itemAt(idx);
1195             if (ae.ns.size() == 0) {
1196                 if (ae.name == id16) {
1197                     attrExt.idIndex = htods(i+1);
1198                 } else if (ae.name == class16) {
1199                     attrExt.classIndex = htods(i+1);
1200                 } else if (ae.name == style16) {
1201                     attrExt.styleIndex = htods(i+1);
1202                 }
1203             }
1204         }
1205     } else if (type == TYPE_NAMESPACE) {
1206         node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
1207         extData = &namespaceExt;
1208         extSize = sizeof(namespaceExt);
1209         memset(&namespaceExt, 0, sizeof(namespaceExt));
1210         if (mNamespacePrefix.size() > 0) {
1211             namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1212         } else {
1213             namespaceExt.prefix.index = htodl((uint32_t)-1);
1214         }
1215         namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1216         namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
1217         LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
1218     } else if (type == TYPE_CDATA) {
1219         node.header.type = htods(RES_XML_CDATA_TYPE);
1220         extData = &cdataExt;
1221         extSize = sizeof(cdataExt);
1222         memset(&cdataExt, 0, sizeof(cdataExt));
1223         cdataExt.data.index = htodl(strings.offsetForString(mChars));
1224         cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
1225         cdataExt.typedData.res0 = 0;
1226         cdataExt.typedData.dataType = mCharsValue.dataType;
1227         cdataExt.typedData.data = htodl(mCharsValue.data);
1228         LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
1229     }
1230
1231     node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
1232
1233     dest->writeData(&node, sizeof(node));
1234     if (extSize > 0) {
1235         dest->writeData(extData, extSize);
1236     }
1237
1238     for (i=0; i<NA; i++) {
1239         ssize_t idx = mAttributeOrder.valueAt(i);
1240         const attribute_entry& ae = mAttributes.itemAt(idx);
1241         if (ae.ns.size() > 0) {
1242             attr.ns.index = htodl(strings.offsetForString(ae.ns));
1243         } else {
1244             attr.ns.index = htodl((uint32_t)-1);
1245         }
1246         attr.name.index = htodl(ae.namePoolIdx);
1247
1248         if (!stripRawValues || ae.needStringValue()) {
1249             attr.rawValue.index = htodl(strings.offsetForString(ae.string));
1250         } else {
1251             attr.rawValue.index = htodl((uint32_t)-1);
1252         }
1253         attr.typedValue.size = htods(sizeof(attr.typedValue));
1254         if (ae.value.dataType == Res_value::TYPE_NULL
1255                 || ae.value.dataType == Res_value::TYPE_STRING) {
1256             attr.typedValue.res0 = 0;
1257             attr.typedValue.dataType = Res_value::TYPE_STRING;
1258             attr.typedValue.data = htodl(strings.offsetForString(ae.string));
1259         } else {
1260             attr.typedValue.res0 = 0;
1261             attr.typedValue.dataType = ae.value.dataType;
1262             attr.typedValue.data = htodl(ae.value.data);
1263         }
1264         dest->writeData(&attr, sizeof(attr));
1265     }
1266
1267     for (i=0; i<NC; i++) {
1268         status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
1269                 stripComments, stripRawValues);
1270         if (err != NO_ERROR) {
1271             return err;
1272         }
1273     }
1274
1275     if (type == TYPE_ELEMENT) {
1276         ResXMLTree_endElementExt endElementExt;
1277         memset(&endElementExt, 0, sizeof(endElementExt));
1278         node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
1279         node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
1280         node.lineNumber = htodl(getEndLineNumber());
1281         node.comment.index = htodl((uint32_t)-1);
1282         endElementExt.ns.index = attrExt.ns.index;
1283         endElementExt.name.index = attrExt.name.index;
1284         dest->writeData(&node, sizeof(node));
1285         dest->writeData(&endElementExt, sizeof(endElementExt));
1286     } else if (type == TYPE_NAMESPACE) {
1287         node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
1288         node.lineNumber = htodl(getEndLineNumber());
1289         node.comment.index = htodl((uint32_t)-1);
1290         node.header.size = htodl(sizeof(node)+extSize);
1291         dest->writeData(&node, sizeof(node));
1292         dest->writeData(extData, extSize);
1293     }
1294
1295     return NO_ERROR;
1296 }