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 hasSubstitutionErrors(const char* fileName,
  72                                ResXMLTree* inXml,
  73                                String16 str16)
  74 {
  75     const char16_t* str = str16.string();
  76     const char16_t* p = str;
  77     const char16_t* end = str + str16.size();
  78
  79     bool nonpositional = false;
  80     int argCount = 0;
  81
  82     while (p < end) {
  83         /*
  84          * Look for the start of a Java-style substitution sequence.
  85          */
  86         if (*p == '%' && p + 1 < end) {
  87             p++;
  88
  89             // A literal percent sign represented by %%
  90             if (*p == '%') {
  91                 p++;
  92                 continue;
  93             }
  94
  95             argCount++;
  96
  97             if (*p >= '0' && *p <= '9') {
  98                 do {
  99                     p++;
 100                 } while (*p >= '0' && *p <= '9');
 101                 if (*p != '$') {
 102                     // This must be a size specification instead of position.
 103                     nonpositional = true;
 104                 }
 105             } else if (*p == '<') {
 106                 // Reusing last argument; bad idea since it can be re-arranged.
 107                 nonpositional = true;
 108                 p++;
 109
 110                 // Optionally '$' can be specified at the end.
 111                 if (p < end && *p == '$') {
 112                     p++;
 113                 }
 114             } else {
 115                 nonpositional = true;
 116             }
 117
 118             // Ignore flags and widths
 119             while (p < end && (*p == '-' ||
 120                     *p == '#' ||
 121                     *p == '+' ||
 122                     *p == ' ' ||
 123                     *p == ',' ||
 124                     *p == '(' ||
 125                     (*p >= '0' && *p <= '9'))) {
 126                 p++;
 127             }
 128
 129             /*
 130              * This is a shortcut to detect strings that are going to Time.format()
 131              * instead of String.format()
 132              *
 133              * Comparison of String.format() and Time.format() args:
 134              *
 135              * String: ABC E GH  ST X abcdefgh  nost x
 136              *   Time:    DEFGHKMS W Za  d   hkm  s w yz
 137              *
 138              * Therefore we know it's definitely Time if we have:
 139              *     DFKMWZkmwyz
 140              */
 141             if (p < end) {
 142                 switch (*p) {
 143                 case 'D':
 144                 case 'F':
 145                 case 'K':
 146                 case 'M':
 147                 case 'W':
 148                 case 'Z':
 149                 case 'k':
 150                 case 'm':
 151                 case 'w':
 152                 case 'y':
 153                 case 'z':
 154                     return NO_ERROR;
 155                 }
 156             }
 157         }
 158
 159         p++;
 160     }
 161
 162     /*
 163      * If we have more than one substitution in this string and any of them
 164      * are not in positional form, give the user an error.
 165      */
 166     if (argCount > 1 && nonpositional) {
 167         SourcePos(String8(fileName), inXml->getLineNumber()).error(
 168                 "Multiple substitutions specified in non-positional format; "
 169                 "did you mean to add the formatted=\"false\" attribute?\n");
 170         return NOT_ENOUGH_DATA;
 171     }
 172
 173     return NO_ERROR;
 174 }
 175
 176 status_t parseStyledString(Bundle* bundle,
 177                            const char* fileName,
 178                            ResXMLTree* inXml,
 179                            const String16& endTag,
 180                            String16* outString,
 181                            Vector<StringPool::entry_style_span>* outSpans,
 182                            bool isFormatted,
 183                            bool pseudolocalize)
 184 {
 185     Vector<StringPool::entry_style_span> spanStack;
 186     String16 curString;
 187     String16 rawString;
 188     const char* errorMsg;
 189     int xliffDepth = 0;
 190     bool firstTime = true;
 191
 192     size_t len;
 193     ResXMLTree::event_code_t code;
 194     while ((code=inXml->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
 195
 196         if (code == ResXMLTree::TEXT) {
 197             String16 text(inXml->getText(&len));
 198             if (firstTime && text.size() > 0) {
 199                 firstTime = false;
 200                 if (text.string()[0] == '@') {
 201                     // If this is a resource reference, don't do the pseudoloc.
 202                     pseudolocalize = false;
 203                 }
 204             }
 205             if (xliffDepth == 0 && pseudolocalize) {
 206                 std::string orig(String8(text).string());
 207                 std::string pseudo = pseudolocalize_string(orig);
 208                 curString.append(String16(String8(pseudo.c_str())));
 209             } else {
 210                 if (isFormatted && hasSubstitutionErrors(fileName, inXml, text) != NO_ERROR) {
 211                     return UNKNOWN_ERROR;
 212                 } else {
 213                     curString.append(text);
 214                 }
 215             }
 216         } else if (code == ResXMLTree::START_TAG) {
 217             const String16 element16(inXml->getElementName(&len));
 218             const String8 element8(element16);
 219
 220             size_t nslen;
 221             const uint16_t* ns = inXml->getElementNamespace(&nslen);
 222             if (ns == NULL) {
 223                 ns = (const uint16_t*)"\0\0";
 224                 nslen = 0;
 225             }
 226             const String8 nspace(String16(ns, nslen));
 227             if (nspace == XLIFF_XMLNS) {
 228                 const int N = sizeof(ALLOWED_XLIFF_ELEMENTS)/sizeof(ALLOWED_XLIFF_ELEMENTS[0]);
 229                 for (int i=0; i<N; i++) {
 230                     if (element8 == ALLOWED_XLIFF_ELEMENTS[i]) {
 231                         xliffDepth++;
 232                         // in this case, treat it like it was just text, in other words, do nothing
 233                         // here and silently drop this element
 234                         goto moveon;
 235                     }
 236                 }
 237                 {
 238                     SourcePos(String8(fileName), inXml->getLineNumber()).error(
 239                             "Found unsupported XLIFF tag <%s>\n",
 240                             element8.string());
 241                     return UNKNOWN_ERROR;
 242                 }
 243 moveon:
 244                 continue;
 245             }
 246
 247             if (outSpans == NULL) {
 248                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
 249                         "Found style tag <%s> where styles are not allowed\n", element8.string());
 250                 return UNKNOWN_ERROR;
 251             }
 252
 253             if (!ResTable::collectString(outString, curString.string(),
 254                                          curString.size(), false, &errorMsg, true)) {
 255                 SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
 256                         errorMsg, String8(curString).string());
 257                 return UNKNOWN_ERROR;
 258             }
 259             rawString.append(curString);
 260             curString = String16();
 261
 262             StringPool::entry_style_span span;
 263             span.name = element16;
 264             for (size_t ai=0; ai<inXml->getAttributeCount(); ai++) {
 265                 span.name.append(String16(";"));
 266                 const char16_t* str = inXml->getAttributeName(ai, &len);
 267                 span.name.append(str, len);
 268                 span.name.append(String16("="));
 269                 str = inXml->getAttributeStringValue(ai, &len);
 270                 span.name.append(str, len);
 271             }
 272             //printf("Span: %s\n", String8(span.name).string());
 273             span.span.firstChar = span.span.lastChar = outString->size();
 274             spanStack.push(span);
 275
 276         } else if (code == ResXMLTree::END_TAG) {
 277             size_t nslen;
 278             const uint16_t* ns = inXml->getElementNamespace(&nslen);
 279             if (ns == NULL) {
 280                 ns = (const uint16_t*)"\0\0";
 281                 nslen = 0;
 282             }
 283             const String8 nspace(String16(ns, nslen));
 284             if (nspace == XLIFF_XMLNS) {
 285                 xliffDepth--;
 286                 continue;
 287             }
 288             if (!ResTable::collectString(outString, curString.string(),
 289                                          curString.size(), false, &errorMsg, true)) {
 290                 SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
 291                         errorMsg, String8(curString).string());
 292                 return UNKNOWN_ERROR;
 293             }
 294             rawString.append(curString);
 295             curString = String16();
 296
 297             if (spanStack.size() == 0) {
 298                 if (strcmp16(inXml->getElementName(&len), endTag.string()) != 0) {
 299                     SourcePos(String8(fileName), inXml->getLineNumber()).error(
 300                             "Found tag %s where <%s> close is expected\n",
 301                             String8(inXml->getElementName(&len)).string(),
 302                             String8(endTag).string());
 303                     return UNKNOWN_ERROR;
 304                 }
 305                 break;
 306             }
 307             StringPool::entry_style_span span = spanStack.top();
 308             String16 spanTag;
 309             ssize_t semi = span.name.findFirst(';');
 310             if (semi >= 0) {
 311                 spanTag.setTo(span.name.string(), semi);
 312             } else {
 313                 spanTag.setTo(span.name);
 314             }
 315             if (strcmp16(inXml->getElementName(&len), spanTag.string()) != 0) {
 316                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
 317                         "Found close tag %s where close tag %s is expected\n",
 318                         String8(inXml->getElementName(&len)).string(),
 319                         String8(spanTag).string());
 320                 return UNKNOWN_ERROR;
 321             }
 322             bool empty = true;
 323             if (outString->size() > 0) {
 324                 span.span.lastChar = outString->size()-1;
 325                 if (span.span.lastChar >= span.span.firstChar) {
 326                     empty = false;
 327                     outSpans->add(span);
 328                 }
 329             }
 330             spanStack.pop();
 331
 332             /*
 333              * This warning seems to be just an irritation to most people,
 334              * since it is typically introduced by translators who then never
 335              * see the warning.
 336              */
 337             if (0 && empty) {
 338                 fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
 339                         fileName, inXml->getLineNumber(),
 340                         String8(spanTag).string(), String8(*outString).string());
 341
 342             }
 343         } else if (code == ResXMLTree::START_NAMESPACE) {
 344             // nothing
 345         }
 346     }
 347
 348     if (code == ResXMLTree::BAD_DOCUMENT) {
 349             SourcePos(String8(fileName), inXml->getLineNumber()).error(
 350                     "Error parsing XML\n");
 351     }
 352
 353     if (outSpans != NULL && outSpans->size() > 0) {
 354         if (curString.size() > 0) {
 355             if (!ResTable::collectString(outString, curString.string(),
 356                                          curString.size(), false, &errorMsg, true)) {
 357                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
 358                         "%s (in %s)\n",
 359                         errorMsg, String8(curString).string());
 360                 return UNKNOWN_ERROR;
 361             }
 362         }
 363     } else {
 364         // There is no style information, so string processing will happen
 365         // later as part of the overall type conversion.  Return to the
 366         // client the raw unprocessed text.
 367         rawString.append(curString);
 368         outString->setTo(rawString);
 369     }
 370
 371     return NO_ERROR;
 372 }
 373
 374 struct namespace_entry {
 375     String8 prefix;
 376     String8 uri;
 377 };
 378
 379 static String8 make_prefix(int depth)
 380 {
 381     String8 prefix;
 382     int i;
 383     for (i=0; i<depth; i++) {
 384         prefix.append("  ");
 385     }
 386     return prefix;
 387 }
 388
 389 static String8 build_namespace(const Vector<namespace_entry>& namespaces,
 390         const uint16_t* ns)
 391 {
 392     String8 str;
 393     if (ns != NULL) {
 394         str = String8(ns);
 395         const size_t N = namespaces.size();
 396         for (size_t i=0; i<N; i++) {
 397             const namespace_entry& ne = namespaces.itemAt(i);
 398             if (ne.uri == str) {
 399                 str = ne.prefix;
 400                 break;
 401             }
 402         }
 403         str.append(":");
 404     }
 405     return str;
 406 }
 407
 408 void printXMLBlock(ResXMLTree* block)
 409 {
 410     block->restart();
 411
 412     Vector<namespace_entry> namespaces;
 413
 414     ResXMLTree::event_code_t code;
 415     int depth = 0;
 416     while ((code=block->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
 417         String8 prefix = make_prefix(depth);
 418         int i;
 419         if (code == ResXMLTree::START_TAG) {
 420             size_t len;
 421             const uint16_t* ns16 = block->getElementNamespace(&len);
 422             String8 elemNs = build_namespace(namespaces, ns16);
 423             const uint16_t* com16 = block->getComment(&len);
 424             if (com16) {
 425                 printf("%s <!-- %s -->\n", prefix.string(), String8(com16).string());
 426             }
 427             printf("%sE: %s%s (line=%d)\n", prefix.string(), elemNs.string(),
 428                    String8(block->getElementName(&len)).string(),
 429                    block->getLineNumber());
 430             int N = block->getAttributeCount();
 431             depth++;
 432             prefix = make_prefix(depth);
 433             for (i=0; i<N; i++) {
 434                 uint32_t res = block->getAttributeNameResID(i);
 435                 ns16 = block->getAttributeNamespace(i, &len);
 436                 String8 ns = build_namespace(namespaces, ns16);
 437                 String8 name(block->getAttributeName(i, &len));
 438                 printf("%sA: ", prefix.string());
 439                 if (res) {
 440                     printf("%s%s(0x%08x)", ns.string(), name.string(), res);
 441                 } else {
 442                     printf("%s%s", ns.string(), name.string());
 443                 }
 444                 Res_value value;
 445                 block->getAttributeValue(i, &value);
 446                 if (value.dataType == Res_value::TYPE_NULL) {
 447                     printf("=(null)");
 448                 } else if (value.dataType == Res_value::TYPE_REFERENCE) {
 449                     printf("=@0x%x", (int)value.data);
 450                 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
 451                     printf("=?0x%x", (int)value.data);
 452                 } else if (value.dataType == Res_value::TYPE_STRING) {
 453                     printf("=\"%s\"",
 454                             ResTable::normalizeForOutput(String8(block->getAttributeStringValue(i,
 455                                         &len)).string()).string());
 456                 } else {
 457                     printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
 458                 }
 459                 const char16_t* val = block->getAttributeStringValue(i, &len);
 460                 if (val != NULL) {
 461                     printf(" (Raw: \"%s\")", ResTable::normalizeForOutput(String8(val).string()).
 462                             string());
 463                 }
 464                 printf("\n");
 465             }
 466         } else if (code == ResXMLTree::END_TAG) {
 467             depth--;
 468         } else if (code == ResXMLTree::START_NAMESPACE) {
 469             namespace_entry ns;
 470             size_t len;
 471             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
 472             if (prefix16) {
 473                 ns.prefix = String8(prefix16);
 474             } else {
 475                 ns.prefix = "<DEF>";
 476             }
 477             ns.uri = String8(block->getNamespaceUri(&len));
 478             namespaces.push(ns);
 479             printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
 480                     ns.uri.string());
 481             depth++;
 482         } else if (code == ResXMLTree::END_NAMESPACE) {
 483             depth--;
 484             const namespace_entry& ns = namespaces.top();
 485             size_t len;
 486             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
 487             String8 pr;
 488             if (prefix16) {
 489                 pr = String8(prefix16);
 490             } else {
 491                 pr = "<DEF>";
 492             }
 493             if (ns.prefix != pr) {
 494                 prefix = make_prefix(depth);
 495                 printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
 496                         prefix.string(), pr.string(), ns.prefix.string());
 497             }
 498             String8 uri = String8(block->getNamespaceUri(&len));
 499             if (ns.uri != uri) {
 500                 prefix = make_prefix(depth);
 501                 printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
 502                         prefix.string(), uri.string(), ns.uri.string());
 503             }
 504             namespaces.pop();
 505         } else if (code == ResXMLTree::TEXT) {
 506             size_t len;
 507             printf("%sC: \"%s\"\n", prefix.string(), ResTable::normalizeForOutput(
 508                         String8(block->getText(&len)).string()).string());
 509         }
 510     }
 511
 512     block->restart();
 513 }
 514
 515 status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
 516                           bool stripAll, bool keepComments,
 517                           const char** cDataTags)
 518 {
 519     sp<XMLNode> root = XMLNode::parse(file);
 520     if (root == NULL) {
 521         return UNKNOWN_ERROR;
 522     }
 523     root->removeWhitespace(stripAll, cDataTags);
 524
 525     NOISY(printf("Input XML from %s:\n", (const char*)file->getPrintableSource()));
 526     NOISY(root->print());
 527     sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
 528     status_t err = root->flatten(rsc, !keepComments, false);
 529     if (err != NO_ERROR) {
 530         return err;
 531     }
 532     err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
 533     if (err != NO_ERROR) {
 534         return err;
 535     }
 536
 537     NOISY(printf("Output XML:\n"));
 538     NOISY(printXMLBlock(outTree));
 539
 540     return NO_ERROR;
 541 }
 542
 543 sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
 544 {
 545     char buf[16384];
 546     int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
 547     if (fd < 0) {
 548         SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
 549                 strerror(errno));
 550         return NULL;
 551     }
 552
 553     XML_Parser parser = XML_ParserCreateNS(NULL, 1);
 554     ParseState state;
 555     state.filename = file->getPrintableSource();
 556     state.parser = parser;
 557     XML_SetUserData(parser, &state);
 558     XML_SetElementHandler(parser, startElement, endElement);
 559     XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
 560     XML_SetCharacterDataHandler(parser, characterData);
 561     XML_SetCommentHandler(parser, commentData);
 562
 563     ssize_t len;
 564     bool done;
 565     do {
 566         len = read(fd, buf, sizeof(buf));
 567         done = len < (ssize_t)sizeof(buf);
 568         if (len < 0) {
 569             SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
 570             close(fd);
 571             return NULL;
 572         }
 573         if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
 574             SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
 575                     "Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
 576             close(fd);
 577             return NULL;
 578         }
 579     } while (!done);
 580
 581     XML_ParserFree(parser);
 582     if (state.root == NULL) {
 583         SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
 584     }
 585     close(fd);
 586     return state.root;
 587 }
 588
 589 XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
 590     : mNextAttributeIndex(0x80000000)
 591     , mFilename(filename)
 592     , mStartLineNumber(0)
 593     , mEndLineNumber(0)
 594     , mUTF8(false)
 595 {
 596     if (isNamespace) {
 597         mNamespacePrefix = s1;
 598         mNamespaceUri = s2;
 599     } else {
 600         mNamespaceUri = s1;
 601         mElementName = s2;
 602     }
 603 }
 604
 605 XMLNode::XMLNode(const String8& filename)
 606     : mFilename(filename)
 607 {
 608     memset(&mCharsValue, 0, sizeof(mCharsValue));
 609 }
 610
 611 XMLNode::type XMLNode::getType() const
 612 {
 613     if (mElementName.size() != 0) {
 614         return TYPE_ELEMENT;
 615     }
 616     if (mNamespaceUri.size() != 0) {
 617         return TYPE_NAMESPACE;
 618     }
 619     return TYPE_CDATA;
 620 }
 621
 622 const String16& XMLNode::getNamespacePrefix() const
 623 {
 624     return mNamespacePrefix;
 625 }
 626
 627 const String16& XMLNode::getNamespaceUri() const
 628 {
 629     return mNamespaceUri;
 630 }
 631
 632 const String16& XMLNode::getElementNamespace() const
 633 {
 634     return mNamespaceUri;
 635 }
 636
 637 const String16& XMLNode::getElementName() const
 638 {
 639     return mElementName;
 640 }
 641
 642 const Vector<sp<XMLNode> >& XMLNode::getChildren() const
 643 {
 644     return mChildren;
 645 }
 646
 647 const String8& XMLNode::getFilename() const
 648 {
 649     return mFilename;
 650 }
 651
 652 const Vector<XMLNode::attribute_entry>&
 653     XMLNode::getAttributes() const
 654 {
 655     return mAttributes;
 656 }
 657
 658 const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
 659         const String16& name) const
 660 {
 661     for (size_t i=0; i<mAttributes.size(); i++) {
 662         const attribute_entry& ae(mAttributes.itemAt(i));
 663         if (ae.ns == ns && ae.name == name) {
 664             return &ae;
 665         }
 666     }
 667
 668     return NULL;
 669 }
 670
 671 XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
 672         const String16& name)
 673 {
 674     for (size_t i=0; i<mAttributes.size(); i++) {
 675         attribute_entry * ae = &mAttributes.editItemAt(i);
 676         if (ae->ns == ns && ae->name == name) {
 677             return ae;
 678         }
 679     }
 680
 681     return NULL;
 682 }
 683
 684 const String16& XMLNode::getCData() const
 685 {
 686     return mChars;
 687 }
 688
 689 const String16& XMLNode::getComment() const
 690 {
 691     return mComment;
 692 }
 693
 694 int32_t XMLNode::getStartLineNumber() const
 695 {
 696     return mStartLineNumber;
 697 }
 698
 699 int32_t XMLNode::getEndLineNumber() const
 700 {
 701     return mEndLineNumber;
 702 }
 703
 704 sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
 705 {
 706     if (getType() == XMLNode::TYPE_ELEMENT
 707             && mNamespaceUri == tagNamespace
 708             && mElementName == tagName) {
 709         return this;
 710     }
 711
 712     for (size_t i=0; i<mChildren.size(); i++) {
 713         sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
 714         if (found != NULL) {
 715             return found;
 716         }
 717     }
 718
 719     return NULL;
 720 }
 721
 722 sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
 723 {
 724     for (size_t i=0; i<mChildren.size(); i++) {
 725         sp<XMLNode> child = mChildren.itemAt(i);
 726         if (child->getType() == XMLNode::TYPE_ELEMENT
 727                 && child->mNamespaceUri == tagNamespace
 728                 && child->mElementName == tagName) {
 729             return child;
 730         }
 731     }
 732
 733     return NULL;
 734 }
 735
 736 status_t XMLNode::addChild(const sp<XMLNode>& child)
 737 {
 738     if (getType() == TYPE_CDATA) {
 739         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
 740         return UNKNOWN_ERROR;
 741     }
 742     //printf("Adding child %p to parent %p\n", child.get(), this);
 743     mChildren.add(child);
 744     return NO_ERROR;
 745 }
 746
 747 status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
 748 {
 749     if (getType() == TYPE_CDATA) {
 750         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
 751         return UNKNOWN_ERROR;
 752     }
 753     //printf("Adding child %p to parent %p\n", child.get(), this);
 754     mChildren.insertAt(child, index);
 755     return NO_ERROR;
 756 }
 757
 758 status_t XMLNode::addAttribute(const String16& ns, const String16& name,
 759                                const String16& value)
 760 {
 761     if (getType() == TYPE_CDATA) {
 762         SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
 763         return UNKNOWN_ERROR;
 764     }
 765     attribute_entry e;
 766     e.index = mNextAttributeIndex++;
 767     e.ns = ns;
 768     e.name = name;
 769     e.string = value;
 770     mAttributes.add(e);
 771     mAttributeOrder.add(e.index, mAttributes.size()-1);
 772     return NO_ERROR;
 773 }
 774
 775 void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
 776 {
 777     attribute_entry& e = mAttributes.editItemAt(attrIdx);
 778     if (e.nameResId) {
 779         mAttributeOrder.removeItem(e.nameResId);
 780     } else {
 781         mAttributeOrder.removeItem(e.index);
 782     }
 783     NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
 784             String8(getElementName()).string(),
 785             String8(mAttributes.itemAt(attrIdx).name).string(),
 786             String8(mAttributes.itemAt(attrIdx).string).string(),
 787             resId));
 788     mAttributes.editItemAt(attrIdx).nameResId = resId;
 789     mAttributeOrder.add(resId, attrIdx);
 790 }
 791
 792 status_t XMLNode::appendChars(const String16& chars)
 793 {
 794     if (getType() != TYPE_CDATA) {
 795         SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
 796         return UNKNOWN_ERROR;
 797     }
 798     mChars.append(chars);
 799     return NO_ERROR;
 800 }
 801
 802 status_t XMLNode::appendComment(const String16& comment)
 803 {
 804     if (mComment.size() > 0) {
 805         mComment.append(String16("\n"));
 806     }
 807     mComment.append(comment);
 808     return NO_ERROR;
 809 }
 810
 811 void XMLNode::setStartLineNumber(int32_t line)
 812 {
 813     mStartLineNumber = line;
 814 }
 815
 816 void XMLNode::setEndLineNumber(int32_t line)
 817 {
 818     mEndLineNumber = line;
 819 }
 820
 821 void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
 822 {
 823     //printf("Removing whitespace in %s\n", String8(mElementName).string());
 824     size_t N = mChildren.size();
 825     if (cDataTags) {
 826         String8 tag(mElementName);
 827         const char** p = cDataTags;
 828         while (*p) {
 829             if (tag == *p) {
 830                 stripAll = false;
 831                 break;
 832             }
 833         }
 834     }
 835     for (size_t i=0; i<N; i++) {
 836         sp<XMLNode> node = mChildren.itemAt(i);
 837         if (node->getType() == TYPE_CDATA) {
 838             // This is a CDATA node...
 839             const char16_t* p = node->mChars.string();
 840             while (*p != 0 && *p < 128 && isspace(*p)) {
 841                 p++;
 842             }
 843             //printf("Space ends at %d in \"%s\"\n",
 844             //       (int)(p-node->mChars.string()),
 845             //       String8(node->mChars).string());
 846             if (*p == 0) {
 847                 if (stripAll) {
 848                     // Remove this node!
 849                     mChildren.removeAt(i);
 850                     N--;
 851                     i--;
 852                 } else {
 853                     node->mChars = String16(" ");
 854                 }
 855             } else {
 856                 // Compact leading/trailing whitespace.
 857                 const char16_t* e = node->mChars.string()+node->mChars.size()-1;
 858                 while (e > p && *e < 128 && isspace(*e)) {
 859                     e--;
 860                 }
 861                 if (p > node->mChars.string()) {
 862                     p--;
 863                 }
 864                 if (e < (node->mChars.string()+node->mChars.size()-1)) {
 865                     e++;
 866                 }
 867                 if (p > node->mChars.string() ||
 868                     e < (node->mChars.string()+node->mChars.size()-1)) {
 869                     String16 tmp(p, e-p+1);
 870                     node->mChars = tmp;
 871                 }
 872             }
 873         } else {
 874             node->removeWhitespace(stripAll, cDataTags);
 875         }
 876     }
 877 }
 878
 879 status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
 880                               ResourceTable* table)
 881 {
 882     bool hasErrors = false;
 883
 884     if (getType() == TYPE_ELEMENT) {
 885         const size_t N = mAttributes.size();
 886         String16 defPackage(assets->getPackage());
 887         for (size_t i=0; i<N; i++) {
 888             attribute_entry& e = mAttributes.editItemAt(i);
 889             AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
 890                     String8(e.string));
 891             table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
 892             if (!assets->getIncludedResources()
 893                     .stringToValue(&e.value, &e.string,
 894                                   e.string.string(), e.string.size(), true, true,
 895                                   e.nameResId, NULL, &defPackage, table, &ac)) {
 896                 hasErrors = true;
 897             }
 898             NOISY(printf("Attr %s: type=0x%x, str=%s\n",
 899                    String8(e.name).string(), e.value.dataType,
 900                    String8(e.string).string()));
 901         }
 902     }
 903     const size_t N = mChildren.size();
 904     for (size_t i=0; i<N; i++) {
 905         status_t err = mChildren.itemAt(i)->parseValues(assets, table);
 906         if (err != NO_ERROR) {
 907             hasErrors = true;
 908         }
 909     }
 910     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
 911 }
 912
 913 status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
 914                                     const ResourceTable* table)
 915 {
 916     bool hasErrors = false;
 917
 918     if (getType() == TYPE_ELEMENT) {
 919         String16 attr("attr");
 920         const char* errorMsg;
 921         const size_t N = mAttributes.size();
 922         for (size_t i=0; i<N; i++) {
 923             const attribute_entry& e = mAttributes.itemAt(i);
 924             if (e.ns.size() <= 0) continue;
 925             bool nsIsPublic;
 926             String16 pkg(getNamespaceResourcePackage(e.ns, &nsIsPublic));
 927             NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
 928                     String8(getElementName()).string(),
 929                     String8(e.name).string(),
 930                     String8(e.string).string(),
 931                     String8(e.ns).string(),
 932                     (nsIsPublic) ? "public" : "private",
 933                     String8(pkg).string()));
 934             if (pkg.size() <= 0) continue;
 935             uint32_t res = table != NULL
 936                 ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
 937                 : assets->getIncludedResources().
 938                     identifierForName(e.name.string(), e.name.size(),
 939                                       attr.string(), attr.size(),
 940                                       pkg.string(), pkg.size());
 941             if (res != 0) {
 942                 NOISY(printf("XML attribute name %s: resid=0x%08x\n",
 943                              String8(e.name).string(), res));
 944                 setAttributeResID(i, res);
 945             } else {
 946                 SourcePos(mFilename, getStartLineNumber()).error(
 947                         "No resource identifier found for attribute '%s' in package '%s'\n",
 948                         String8(e.name).string(), String8(pkg).string());
 949                 hasErrors = true;
 950             }
 951         }
 952     }
 953     const size_t N = mChildren.size();
 954     for (size_t i=0; i<N; i++) {
 955         status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
 956         if (err < NO_ERROR) {
 957             hasErrors = true;
 958         }
 959     }
 960
 961     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
 962 }
 963
 964 status_t XMLNode::flatten(const sp<AaptFile>& dest,
 965         bool stripComments, bool stripRawValues) const
 966 {
 967     StringPool strings = StringPool(false, mUTF8);
 968     Vector<uint32_t> resids;
 969
 970     // First collect just the strings for attribute names that have a
 971     // resource ID assigned to them.  This ensures that the resource ID
 972     // array is compact, and makes it easier to deal with attribute names
 973     // in different namespaces (and thus with different resource IDs).
 974     collect_resid_strings(&strings, &resids);
 975
 976     // Next collect all remainibng strings.
 977     collect_strings(&strings, &resids, stripComments, stripRawValues);
 978
 979 #if 0  // No longer compiles
 980     NOISY(printf("Found strings:\n");
 981         const size_t N = strings.size();
 982         for (size_t i=0; i<N; i++) {
 983             printf("%s\n", String8(strings.entryAt(i).string).string());
 984         }
 985     );
 986 #endif
 987
 988     sp<AaptFile> stringPool = strings.createStringBlock();
 989     NOISY(aout << "String pool:"
 990           << HexDump(stringPool->getData(), stringPool->getSize()) << endl);
 991
 992     ResXMLTree_header header;
 993     memset(&header, 0, sizeof(header));
 994     header.header.type = htods(RES_XML_TYPE);
 995     header.header.headerSize = htods(sizeof(header));
 996
 997     const size_t basePos = dest->getSize();
 998     dest->writeData(&header, sizeof(header));
 999     dest->writeData(stringPool->getData(), stringPool->getSize());
1000
1001     // If we have resource IDs, write them.
1002     if (resids.size() > 0) {
1003         const size_t resIdsPos = dest->getSize();
1004         const size_t resIdsSize =
1005             sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
1006         ResChunk_header* idsHeader = (ResChunk_header*)
1007             (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
1008         idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
1009         idsHeader->headerSize = htods(sizeof(*idsHeader));
1010         idsHeader->size = htodl(resIdsSize);
1011         uint32_t* ids = (uint32_t*)(idsHeader+1);
1012         for (size_t i=0; i<resids.size(); i++) {
1013             *ids++ = htodl(resids[i]);
1014         }
1015     }
1016
1017     flatten_node(strings, dest, stripComments, stripRawValues);
1018
1019     void* data = dest->editData();
1020     ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
1021     size_t size = dest->getSize()-basePos;
1022     hd->header.size = htodl(dest->getSize()-basePos);
1023
1024     NOISY(aout << "XML resource:"
1025           << HexDump(dest->getData(), dest->getSize()) << endl);
1026
1027     #if PRINT_STRING_METRICS
1028     fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
1029         dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
1030         dest->getPath().string());
1031     #endif
1032
1033     return NO_ERROR;
1034 }
1035
1036 void XMLNode::print(int indent)
1037 {
1038     String8 prefix;
1039     int i;
1040     for (i=0; i<indent; i++) {
1041         prefix.append("  ");
1042     }
1043     if (getType() == TYPE_ELEMENT) {
1044         String8 elemNs(getNamespaceUri());
1045         if (elemNs.size() > 0) {
1046             elemNs.append(":");
1047         }
1048         printf("%s E: %s%s", prefix.string(),
1049                elemNs.string(), String8(getElementName()).string());
1050         int N = mAttributes.size();
1051         for (i=0; i<N; i++) {
1052             ssize_t idx = mAttributeOrder.valueAt(i);
1053             if (i == 0) {
1054                 printf(" / ");
1055             } else {
1056                 printf(", ");
1057             }
1058             const attribute_entry& attr = mAttributes.itemAt(idx);
1059             String8 attrNs(attr.ns);
1060             if (attrNs.size() > 0) {
1061                 attrNs.append(":");
1062             }
1063             if (attr.nameResId) {
1064                 printf("%s%s(0x%08x)", attrNs.string(),
1065                        String8(attr.name).string(), attr.nameResId);
1066             } else {
1067                 printf("%s%s", attrNs.string(), String8(attr.name).string());
1068             }
1069             printf("=%s", String8(attr.string).string());
1070         }
1071         printf("\n");
1072     } else if (getType() == TYPE_NAMESPACE) {
1073         printf("%s N: %s=%s\n", prefix.string(),
1074                getNamespacePrefix().size() > 0
1075                     ? String8(getNamespacePrefix()).string() : "<DEF>",
1076                String8(getNamespaceUri()).string());
1077     } else {
1078         printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
1079     }
1080     int N = mChildren.size();
1081     for (i=0; i<N; i++) {
1082         mChildren.itemAt(i)->print(indent+1);
1083     }
1084 }
1085
1086 static void splitName(const char* name, String16* outNs, String16* outName)
1087 {
1088     const char* p = name;
1089     while (*p != 0 && *p != 1) {
1090         p++;
1091     }
1092     if (*p == 0) {
1093         *outNs = String16();
1094         *outName = String16(name);
1095     } else {
1096         *outNs = String16(name, (p-name));
1097         *outName = String16(p+1);
1098     }
1099 }
1100
1101 void XMLCALL
1102 XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
1103 {
1104     NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
1105     ParseState* st = (ParseState*)userData;
1106     sp<XMLNode> node = XMLNode::newNamespace(st->filename,
1107             String16(prefix != NULL ? prefix : ""), String16(uri));
1108     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1109     if (st->stack.size() > 0) {
1110         st->stack.itemAt(st->stack.size()-1)->addChild(node);
1111     } else {
1112         st->root = node;
1113     }
1114     st->stack.push(node);
1115 }
1116
1117 void XMLCALL
1118 XMLNode::startElement(void *userData, const char *name, const char **atts)
1119 {
1120     NOISY_PARSE(printf("Start Element: %s\n", name));
1121     ParseState* st = (ParseState*)userData;
1122     String16 ns16, name16;
1123     splitName(name, &ns16, &name16);
1124     sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
1125     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1126     if (st->pendingComment.size() > 0) {
1127         node->appendComment(st->pendingComment);
1128         st->pendingComment = String16();
1129     }
1130     if (st->stack.size() > 0) {
1131         st->stack.itemAt(st->stack.size()-1)->addChild(node);
1132     } else {
1133         st->root = node;
1134     }
1135     st->stack.push(node);
1136
1137     for (int i = 0; atts[i]; i += 2) {
1138         splitName(atts[i], &ns16, &name16);
1139         node->addAttribute(ns16, name16, String16(atts[i+1]));
1140     }
1141 }
1142
1143 void XMLCALL
1144 XMLNode::characterData(void *userData, const XML_Char *s, int len)
1145 {
1146     NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
1147     ParseState* st = (ParseState*)userData;
1148     sp<XMLNode> node = NULL;
1149     if (st->stack.size() == 0) {
1150         return;
1151     }
1152     sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
1153     if (parent != NULL && parent->getChildren().size() > 0) {
1154         node = parent->getChildren()[parent->getChildren().size()-1];
1155         if (node->getType() != TYPE_CDATA) {
1156             // Last node is not CDATA, need to make a new node.
1157             node = NULL;
1158         }
1159     }
1160
1161     if (node == NULL) {
1162         node = XMLNode::newCData(st->filename);
1163         node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
1164         parent->addChild(node);
1165     }
1166
1167     node->appendChars(String16(s, len));
1168 }
1169
1170 void XMLCALL
1171 XMLNode::endElement(void *userData, const char *name)
1172 {
1173     NOISY_PARSE(printf("End Element: %s\n", name));
1174     ParseState* st = (ParseState*)userData;
1175     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1176     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1177     if (st->pendingComment.size() > 0) {
1178         node->appendComment(st->pendingComment);
1179         st->pendingComment = String16();
1180     }
1181     String16 ns16, name16;
1182     splitName(name, &ns16, &name16);
1183     LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
1184                         || node->getElementName() != name16,
1185                         "Bad end element %s", name);
1186     st->stack.pop();
1187 }
1188
1189 void XMLCALL
1190 XMLNode::endNamespace(void *userData, const char *prefix)
1191 {
1192     const char* nonNullPrefix = prefix != NULL ? prefix : "";
1193     NOISY_PARSE(printf("End Namespace: %s\n", prefix));
1194     ParseState* st = (ParseState*)userData;
1195     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
1196     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
1197     LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
1198                         "Bad end namespace %s", prefix);
1199     st->stack.pop();
1200 }
1201
1202 void XMLCALL
1203 XMLNode::commentData(void *userData, const char *comment)
1204 {
1205     NOISY_PARSE(printf("Comment: %s\n", comment));
1206     ParseState* st = (ParseState*)userData;
1207     if (st->pendingComment.size() > 0) {
1208         st->pendingComment.append(String16("\n"));
1209     }
1210     st->pendingComment.append(String16(comment));
1211 }
1212
1213 status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
1214         bool stripComments, bool stripRawValues) const
1215 {
1216     collect_attr_strings(dest, outResIds, true);
1217
1218     int i;
1219     if (mNamespacePrefix.size() > 0) {
1220         dest->add(mNamespacePrefix, true);
1221     }
1222     if (mNamespaceUri.size() > 0) {
1223         dest->add(mNamespaceUri, true);
1224     }
1225     if (mElementName.size() > 0) {
1226         dest->add(mElementName, true);
1227     }
1228
1229     if (!stripComments && mComment.size() > 0) {
1230         dest->add(mComment, true);
1231     }
1232
1233     const int NA = mAttributes.size();
1234
1235     for (i=0; i<NA; i++) {
1236         const attribute_entry& ae = mAttributes.itemAt(i);
1237         if (ae.ns.size() > 0) {
1238             dest->add(ae.ns, true);
1239         }
1240         if (!stripRawValues || ae.needStringValue()) {
1241             dest->add(ae.string, true);
1242         }
1243         /*
1244         if (ae.value.dataType == Res_value::TYPE_NULL
1245                 || ae.value.dataType == Res_value::TYPE_STRING) {
1246             dest->add(ae.string, true);
1247         }
1248         */
1249     }
1250
1251     if (mElementName.size() == 0) {
1252         // If not an element, include the CDATA, even if it is empty.
1253         dest->add(mChars, true);
1254     }
1255
1256     const int NC = mChildren.size();
1257
1258     for (i=0; i<NC; i++) {
1259         mChildren.itemAt(i)->collect_strings(dest, outResIds,
1260                 stripComments, stripRawValues);
1261     }
1262
1263     return NO_ERROR;
1264 }
1265
1266 status_t XMLNode::collect_attr_strings(StringPool* outPool,
1267         Vector<uint32_t>* outResIds, bool allAttrs) const {
1268     const int NA = mAttributes.size();
1269
1270     for (int i=0; i<NA; i++) {
1271         const attribute_entry& attr = mAttributes.itemAt(i);
1272         uint32_t id = attr.nameResId;
1273         if (id || allAttrs) {
1274             // See if we have already assigned this resource ID to a pooled
1275             // string...
1276             const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
1277             ssize_t idx = -1;
1278             if (indices != NULL) {
1279                 const int NJ = indices->size();
1280                 const size_t NR = outResIds->size();
1281                 for (int j=0; j<NJ; j++) {
1282                     size_t strIdx = indices->itemAt(j);
1283                     if (strIdx >= NR) {
1284                         if (id == 0) {
1285                             // We don't need to assign a resource ID for this one.
1286                             idx = strIdx;
1287                             break;
1288                         }
1289                         // Just ignore strings that are out of range of
1290                         // the currently assigned resource IDs...  we add
1291                         // strings as we assign the first ID.
1292                     } else if (outResIds->itemAt(strIdx) == id) {
1293                         idx = strIdx;
1294                         break;
1295                     }
1296                 }
1297             }
1298             if (idx < 0) {
1299                 idx = outPool->add(attr.name);
1300                 NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
1301                         String8(attr.name).string(), id, idx));
1302                 if (id != 0) {
1303                     while ((ssize_t)outResIds->size() <= idx) {
1304                         outResIds->add(0);
1305                     }
1306                     outResIds->replaceAt(id, idx);
1307                 }
1308             }
1309             attr.namePoolIdx = idx;
1310             NOISY(printf("String %s offset=0x%08x\n",
1311                          String8(attr.name).string(), idx));
1312         }
1313     }
1314
1315     return NO_ERROR;
1316 }
1317
1318 status_t XMLNode::collect_resid_strings(StringPool* outPool,
1319         Vector<uint32_t>* outResIds) const
1320 {
1321     collect_attr_strings(outPool, outResIds, false);
1322
1323     const int NC = mChildren.size();
1324
1325     for (int i=0; i<NC; i++) {
1326         mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
1327     }
1328
1329     return NO_ERROR;
1330 }
1331
1332 status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
1333         bool stripComments, bool stripRawValues) const
1334 {
1335     ResXMLTree_node node;
1336     ResXMLTree_cdataExt cdataExt;
1337     ResXMLTree_namespaceExt namespaceExt;
1338     ResXMLTree_attrExt attrExt;
1339     const void* extData = NULL;
1340     size_t extSize = 0;
1341     ResXMLTree_attribute attr;
1342
1343     const size_t NA = mAttributes.size();
1344     const size_t NC = mChildren.size();
1345     size_t i;
1346
1347     LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
1348
1349     const String16 id16("id");
1350     const String16 class16("class");
1351     const String16 style16("style");
1352
1353     const type type = getType();
1354
1355     memset(&node, 0, sizeof(node));
1356     memset(&attr, 0, sizeof(attr));
1357     node.header.headerSize = htods(sizeof(node));
1358     node.lineNumber = htodl(getStartLineNumber());
1359     if (!stripComments) {
1360         node.comment.index = htodl(
1361             mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
1362         //if (mComment.size() > 0) {
1363         //  printf("Flattening comment: %s\n", String8(mComment).string());
1364         //}
1365     } else {
1366         node.comment.index = htodl((uint32_t)-1);
1367     }
1368     if (type == TYPE_ELEMENT) {
1369         node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
1370         extData = &attrExt;
1371         extSize = sizeof(attrExt);
1372         memset(&attrExt, 0, sizeof(attrExt));
1373         if (mNamespaceUri.size() > 0) {
1374             attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
1375         } else {
1376             attrExt.ns.index = htodl((uint32_t)-1);
1377         }
1378         attrExt.name.index = htodl(strings.offsetForString(mElementName));
1379         attrExt.attributeStart = htods(sizeof(attrExt));
1380         attrExt.attributeSize = htods(sizeof(attr));
1381         attrExt.attributeCount = htods(NA);
1382         attrExt.idIndex = htods(0);
1383         attrExt.classIndex = htods(0);
1384         attrExt.styleIndex = htods(0);
1385         for (i=0; i<NA; i++) {
1386             ssize_t idx = mAttributeOrder.valueAt(i);
1387             const attribute_entry& ae = mAttributes.itemAt(idx);
1388             if (ae.ns.size() == 0) {
1389                 if (ae.name == id16) {
1390                     attrExt.idIndex = htods(i+1);
1391                 } else if (ae.name == class16) {
1392                     attrExt.classIndex = htods(i+1);
1393                 } else if (ae.name == style16) {
1394                     attrExt.styleIndex = htods(i+1);
1395                 }
1396             }
1397         }
1398     } else if (type == TYPE_NAMESPACE) {
1399         node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
1400         extData = &namespaceExt;
1401         extSize = sizeof(namespaceExt);
1402         memset(&namespaceExt, 0, sizeof(namespaceExt));
1403         if (mNamespacePrefix.size() > 0) {
1404             namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1405         } else {
1406             namespaceExt.prefix.index = htodl((uint32_t)-1);
1407         }
1408         namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
1409         namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
1410         LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
1411     } else if (type == TYPE_CDATA) {
1412         node.header.type = htods(RES_XML_CDATA_TYPE);
1413         extData = &cdataExt;
1414         extSize = sizeof(cdataExt);
1415         memset(&cdataExt, 0, sizeof(cdataExt));
1416         cdataExt.data.index = htodl(strings.offsetForString(mChars));
1417         cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
1418         cdataExt.typedData.res0 = 0;
1419         cdataExt.typedData.dataType = mCharsValue.dataType;
1420         cdataExt.typedData.data = htodl(mCharsValue.data);
1421         LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
1422     }
1423
1424     node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
1425
1426     dest->writeData(&node, sizeof(node));
1427     if (extSize > 0) {
1428         dest->writeData(extData, extSize);
1429     }
1430
1431     for (i=0; i<NA; i++) {
1432         ssize_t idx = mAttributeOrder.valueAt(i);
1433         const attribute_entry& ae = mAttributes.itemAt(idx);
1434         if (ae.ns.size() > 0) {
1435             attr.ns.index = htodl(strings.offsetForString(ae.ns));
1436         } else {
1437             attr.ns.index = htodl((uint32_t)-1);
1438         }
1439         attr.name.index = htodl(ae.namePoolIdx);
1440
1441         if (!stripRawValues || ae.needStringValue()) {
1442             attr.rawValue.index = htodl(strings.offsetForString(ae.string));
1443         } else {
1444             attr.rawValue.index = htodl((uint32_t)-1);
1445         }
1446         attr.typedValue.size = htods(sizeof(attr.typedValue));
1447         if (ae.value.dataType == Res_value::TYPE_NULL
1448                 || ae.value.dataType == Res_value::TYPE_STRING) {
1449             attr.typedValue.res0 = 0;
1450             attr.typedValue.dataType = Res_value::TYPE_STRING;
1451             attr.typedValue.data = htodl(strings.offsetForString(ae.string));
1452         } else {
1453             attr.typedValue.res0 = 0;
1454             attr.typedValue.dataType = ae.value.dataType;
1455             attr.typedValue.data = htodl(ae.value.data);
1456         }
1457         dest->writeData(&attr, sizeof(attr));
1458     }
1459
1460     for (i=0; i<NC; i++) {
1461         status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
1462                 stripComments, stripRawValues);
1463         if (err != NO_ERROR) {
1464             return err;
1465         }
1466     }
1467
1468     if (type == TYPE_ELEMENT) {
1469         ResXMLTree_endElementExt endElementExt;
1470         memset(&endElementExt, 0, sizeof(endElementExt));
1471         node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
1472         node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
1473         node.lineNumber = htodl(getEndLineNumber());
1474         node.comment.index = htodl((uint32_t)-1);
1475         endElementExt.ns.index = attrExt.ns.index;
1476         endElementExt.name.index = attrExt.name.index;
1477         dest->writeData(&node, sizeof(node));
1478         dest->writeData(&endElementExt, sizeof(endElementExt));
1479     } else if (type == TYPE_NAMESPACE) {
1480         node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
1481         node.lineNumber = htodl(getEndLineNumber());
1482         node.comment.index = htodl((uint32_t)-1);
1483         node.header.size = htodl(sizeof(node)+extSize);
1484         dest->writeData(&node, sizeof(node));
1485         dest->writeData(extData, extSize);
1486     }
1487
1488     return NO_ERROR;
1489 }