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      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                            String8(block->getAttributeStringValue(i, &len)).string());
    455                 } else {
    456                     printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
    457                 }
    458                 const char16_t* val = block->getAttributeStringValue(i, &len);
    459                 if (val != NULL) {
    460                     printf(" (Raw: \"%s\")", String8(val).string());
    461                 }
    462                 printf("\n");
    463             }
    464         } else if (code == ResXMLTree::END_TAG) {
    465             depth--;
    466         } else if (code == ResXMLTree::START_NAMESPACE) {
    467             namespace_entry ns;
    468             size_t len;
    469             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
    470             if (prefix16) {
    471                 ns.prefix = String8(prefix16);
    472             } else {
    473                 ns.prefix = "<DEF>";
    474             }
    475             ns.uri = String8(block->getNamespaceUri(&len));
    476             namespaces.push(ns);
    477             printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
    478                     ns.uri.string());
    479             depth++;
    480         } else if (code == ResXMLTree::END_NAMESPACE) {
    481             depth--;
    482             const namespace_entry& ns = namespaces.top();
    483             size_t len;
    484             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
    485             String8 pr;
    486             if (prefix16) {
    487                 pr = String8(prefix16);
    488             } else {
    489                 pr = "<DEF>";
    490             }
    491             if (ns.prefix != pr) {
    492                 prefix = make_prefix(depth);
    493                 printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
    494                         prefix.string(), pr.string(), ns.prefix.string());
    495             }
    496             String8 uri = String8(block->getNamespaceUri(&len));
    497             if (ns.uri != uri) {
    498                 prefix = make_prefix(depth);
    499                 printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
    500                         prefix.string(), uri.string(), ns.uri.string());
    501             }
    502             namespaces.pop();
    503         } else if (code == ResXMLTree::TEXT) {
    504             size_t len;
    505             printf("%sC: \"%s\"\n", prefix.string(), String8(block->getText(&len)).string());
    506         }
    507     }
    508 
    509     block->restart();
    510 }
    511 
    512 status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
    513                           bool stripAll, bool keepComments,
    514                           const char** cDataTags)
    515 {
    516     sp<XMLNode> root = XMLNode::parse(file);
    517     if (root == NULL) {
    518         return UNKNOWN_ERROR;
    519     }
    520     root->removeWhitespace(stripAll, cDataTags);
    521 
    522     NOISY(printf("Input XML from %s:\n", (const char*)file->getPrintableSource()));
    523     NOISY(root->print());
    524     sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
    525     status_t err = root->flatten(rsc, !keepComments, false);
    526     if (err != NO_ERROR) {
    527         return err;
    528     }
    529     err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
    530     if (err != NO_ERROR) {
    531         return err;
    532     }
    533 
    534     NOISY(printf("Output XML:\n"));
    535     NOISY(printXMLBlock(outTree));
    536 
    537     return NO_ERROR;
    538 }
    539 
    540 sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
    541 {
    542     char buf[16384];
    543     int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
    544     if (fd < 0) {
    545         SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
    546                 strerror(errno));
    547         return NULL;
    548     }
    549 
    550     XML_Parser parser = XML_ParserCreateNS(NULL, 1);
    551     ParseState state;
    552     state.filename = file->getPrintableSource();
    553     state.parser = parser;
    554     XML_SetUserData(parser, &state);
    555     XML_SetElementHandler(parser, startElement, endElement);
    556     XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
    557     XML_SetCharacterDataHandler(parser, characterData);
    558     XML_SetCommentHandler(parser, commentData);
    559 
    560     ssize_t len;
    561     bool done;
    562     do {
    563         len = read(fd, buf, sizeof(buf));
    564         done = len < (ssize_t)sizeof(buf);
    565         if (len < 0) {
    566             SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
    567             close(fd);
    568             return NULL;
    569         }
    570         if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
    571             SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
    572                     "Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
    573             close(fd);
    574             return NULL;
    575         }
    576     } while (!done);
    577 
    578     XML_ParserFree(parser);
    579     if (state.root == NULL) {
    580         SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
    581     }
    582     close(fd);
    583     return state.root;
    584 }
    585 
    586 XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
    587     : mNextAttributeIndex(0x80000000)
    588     , mFilename(filename)
    589     , mStartLineNumber(0)
    590     , mEndLineNumber(0)
    591     , mUTF8(false)
    592 {
    593     if (isNamespace) {
    594         mNamespacePrefix = s1;
    595         mNamespaceUri = s2;
    596     } else {
    597         mNamespaceUri = s1;
    598         mElementName = s2;
    599     }
    600 }
    601 
    602 XMLNode::XMLNode(const String8& filename)
    603     : mFilename(filename)
    604 {
    605     memset(&mCharsValue, 0, sizeof(mCharsValue));
    606 }
    607 
    608 XMLNode::type XMLNode::getType() const
    609 {
    610     if (mElementName.size() != 0) {
    611         return TYPE_ELEMENT;
    612     }
    613     if (mNamespaceUri.size() != 0) {
    614         return TYPE_NAMESPACE;
    615     }
    616     return TYPE_CDATA;
    617 }
    618 
    619 const String16& XMLNode::getNamespacePrefix() const
    620 {
    621     return mNamespacePrefix;
    622 }
    623 
    624 const String16& XMLNode::getNamespaceUri() const
    625 {
    626     return mNamespaceUri;
    627 }
    628 
    629 const String16& XMLNode::getElementNamespace() const
    630 {
    631     return mNamespaceUri;
    632 }
    633 
    634 const String16& XMLNode::getElementName() const
    635 {
    636     return mElementName;
    637 }
    638 
    639 const Vector<sp<XMLNode> >& XMLNode::getChildren() const
    640 {
    641     return mChildren;
    642 }
    643 
    644 const String8& XMLNode::getFilename() const
    645 {
    646     return mFilename;
    647 }
    648 
    649 const Vector<XMLNode::attribute_entry>&
    650     XMLNode::getAttributes() const
    651 {
    652     return mAttributes;
    653 }
    654 
    655 const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
    656         const String16& name) const
    657 {
    658     for (size_t i=0; i<mAttributes.size(); i++) {
    659         const attribute_entry& ae(mAttributes.itemAt(i));
    660         if (ae.ns == ns && ae.name == name) {
    661             return &ae;
    662         }
    663     }
    664 
    665     return NULL;
    666 }
    667 
    668 XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
    669         const String16& name)
    670 {
    671     for (size_t i=0; i<mAttributes.size(); i++) {
    672         attribute_entry * ae = &mAttributes.editItemAt(i);
    673         if (ae->ns == ns && ae->name == name) {
    674             return ae;
    675         }
    676     }
    677 
    678     return NULL;
    679 }
    680 
    681 const String16& XMLNode::getCData() const
    682 {
    683     return mChars;
    684 }
    685 
    686 const String16& XMLNode::getComment() const
    687 {
    688     return mComment;
    689 }
    690 
    691 int32_t XMLNode::getStartLineNumber() const
    692 {
    693     return mStartLineNumber;
    694 }
    695 
    696 int32_t XMLNode::getEndLineNumber() const
    697 {
    698     return mEndLineNumber;
    699 }
    700 
    701 sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
    702 {
    703     if (getType() == XMLNode::TYPE_ELEMENT
    704             && mNamespaceUri == tagNamespace
    705             && mElementName == tagName) {
    706         return this;
    707     }
    708 
    709     for (size_t i=0; i<mChildren.size(); i++) {
    710         sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
    711         if (found != NULL) {
    712             return found;
    713         }
    714     }
    715 
    716     return NULL;
    717 }
    718 
    719 sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
    720 {
    721     for (size_t i=0; i<mChildren.size(); i++) {
    722         sp<XMLNode> child = mChildren.itemAt(i);
    723         if (child->getType() == XMLNode::TYPE_ELEMENT
    724                 && child->mNamespaceUri == tagNamespace
    725                 && child->mElementName == tagName) {
    726             return child;
    727         }
    728     }
    729 
    730     return NULL;
    731 }
    732 
    733 status_t XMLNode::addChild(const sp<XMLNode>& child)
    734 {
    735     if (getType() == TYPE_CDATA) {
    736         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
    737         return UNKNOWN_ERROR;
    738     }
    739     //printf("Adding child %p to parent %p\n", child.get(), this);
    740     mChildren.add(child);
    741     return NO_ERROR;
    742 }
    743 
    744 status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
    745 {
    746     if (getType() == TYPE_CDATA) {
    747         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
    748         return UNKNOWN_ERROR;
    749     }
    750     //printf("Adding child %p to parent %p\n", child.get(), this);
    751     mChildren.insertAt(child, index);
    752     return NO_ERROR;
    753 }
    754 
    755 status_t XMLNode::addAttribute(const String16& ns, const String16& name,
    756                                const String16& value)
    757 {
    758     if (getType() == TYPE_CDATA) {
    759         SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
    760         return UNKNOWN_ERROR;
    761     }
    762     attribute_entry e;
    763     e.index = mNextAttributeIndex++;
    764     e.ns = ns;
    765     e.name = name;
    766     e.string = value;
    767     mAttributes.add(e);
    768     mAttributeOrder.add(e.index, mAttributes.size()-1);
    769     return NO_ERROR;
    770 }
    771 
    772 void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
    773 {
    774     attribute_entry& e = mAttributes.editItemAt(attrIdx);
    775     if (e.nameResId) {
    776         mAttributeOrder.removeItem(e.nameResId);
    777     } else {
    778         mAttributeOrder.removeItem(e.index);
    779     }
    780     NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
    781             String8(getElementName()).string(),
    782             String8(mAttributes.itemAt(attrIdx).name).string(),
    783             String8(mAttributes.itemAt(attrIdx).string).string(),
    784             resId));
    785     mAttributes.editItemAt(attrIdx).nameResId = resId;
    786     mAttributeOrder.add(resId, attrIdx);
    787 }
    788 
    789 status_t XMLNode::appendChars(const String16& chars)
    790 {
    791     if (getType() != TYPE_CDATA) {
    792         SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
    793         return UNKNOWN_ERROR;
    794     }
    795     mChars.append(chars);
    796     return NO_ERROR;
    797 }
    798 
    799 status_t XMLNode::appendComment(const String16& comment)
    800 {
    801     if (mComment.size() > 0) {
    802         mComment.append(String16("\n"));
    803     }
    804     mComment.append(comment);
    805     return NO_ERROR;
    806 }
    807 
    808 void XMLNode::setStartLineNumber(int32_t line)
    809 {
    810     mStartLineNumber = line;
    811 }
    812 
    813 void XMLNode::setEndLineNumber(int32_t line)
    814 {
    815     mEndLineNumber = line;
    816 }
    817 
    818 void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
    819 {
    820     //printf("Removing whitespace in %s\n", String8(mElementName).string());
    821     size_t N = mChildren.size();
    822     if (cDataTags) {
    823         String8 tag(mElementName);
    824         const char** p = cDataTags;
    825         while (*p) {
    826             if (tag == *p) {
    827                 stripAll = false;
    828                 break;
    829             }
    830         }
    831     }
    832     for (size_t i=0; i<N; i++) {
    833         sp<XMLNode> node = mChildren.itemAt(i);
    834         if (node->getType() == TYPE_CDATA) {
    835             // This is a CDATA node...
    836             const char16_t* p = node->mChars.string();
    837             while (*p != 0 && *p < 128 && isspace(*p)) {
    838                 p++;
    839             }
    840             //printf("Space ends at %d in \"%s\"\n",
    841             //       (int)(p-node->mChars.string()),
    842             //       String8(node->mChars).string());
    843             if (*p == 0) {
    844                 if (stripAll) {
    845                     // Remove this node!
    846                     mChildren.removeAt(i);
    847                     N--;
    848                     i--;
    849                 } else {
    850                     node->mChars = String16(" ");
    851                 }
    852             } else {
    853                 // Compact leading/trailing whitespace.
    854                 const char16_t* e = node->mChars.string()+node->mChars.size()-1;
    855                 while (e > p && *e < 128 && isspace(*e)) {
    856                     e--;
    857                 }
    858                 if (p > node->mChars.string()) {
    859                     p--;
    860                 }
    861                 if (e < (node->mChars.string()+node->mChars.size()-1)) {
    862                     e++;
    863                 }
    864                 if (p > node->mChars.string() ||
    865                     e < (node->mChars.string()+node->mChars.size()-1)) {
    866                     String16 tmp(p, e-p+1);
    867                     node->mChars = tmp;
    868                 }
    869             }
    870         } else {
    871             node->removeWhitespace(stripAll, cDataTags);
    872         }
    873     }
    874 }
    875 
    876 status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
    877                               ResourceTable* table)
    878 {
    879     bool hasErrors = false;
    880 
    881     if (getType() == TYPE_ELEMENT) {
    882         const size_t N = mAttributes.size();
    883         String16 defPackage(assets->getPackage());
    884         for (size_t i=0; i<N; i++) {
    885             attribute_entry& e = mAttributes.editItemAt(i);
    886             AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
    887                     String8(e.string));
    888             table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
    889             if (!assets->getIncludedResources()
    890                     .stringToValue(&e.value, &e.string,
    891                                   e.string.string(), e.string.size(), true, true,
    892                                   e.nameResId, NULL, &defPackage, table, &ac)) {
    893                 hasErrors = true;
    894             }
    895             NOISY(printf("Attr %s: type=0x%x, str=%s\n",
    896                    String8(e.name).string(), e.value.dataType,
    897                    String8(e.string).string()));
    898         }
    899     }
    900     const size_t N = mChildren.size();
    901     for (size_t i=0; i<N; i++) {
    902         status_t err = mChildren.itemAt(i)->parseValues(assets, table);
    903         if (err != NO_ERROR) {
    904             hasErrors = true;
    905         }
    906     }
    907     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
    908 }
    909 
    910 status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
    911                                     const ResourceTable* table)
    912 {
    913     bool hasErrors = false;
    914 
    915     if (getType() == TYPE_ELEMENT) {
    916         String16 attr("attr");
    917         const char* errorMsg;
    918         const size_t N = mAttributes.size();
    919         for (size_t i=0; i<N; i++) {
    920             const attribute_entry& e = mAttributes.itemAt(i);
    921             if (e.ns.size() <= 0) continue;
    922             bool nsIsPublic;
    923             String16 pkg(getNamespaceResourcePackage(e.ns, &nsIsPublic));
    924             NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
    925                     String8(getElementName()).string(),
    926                     String8(e.name).string(),
    927                     String8(e.string).string(),
    928                     String8(e.ns).string(),
    929                     (nsIsPublic) ? "public" : "private",
    930                     String8(pkg).string()));
    931             if (pkg.size() <= 0) continue;
    932             uint32_t res = table != NULL
    933                 ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
    934                 : assets->getIncludedResources().
    935                     identifierForName(e.name.string(), e.name.size(),
    936                                       attr.string(), attr.size(),
    937                                       pkg.string(), pkg.size());
    938             if (res != 0) {
    939                 NOISY(printf("XML attribute name %s: resid=0x%08x\n",
    940                              String8(e.name).string(), res));
    941                 setAttributeResID(i, res);
    942             } else {
    943                 SourcePos(mFilename, getStartLineNumber()).error(
    944                         "No resource identifier found for attribute '%s' in package '%s'\n",
    945                         String8(e.name).string(), String8(pkg).string());
    946                 hasErrors = true;
    947             }
    948         }
    949     }
    950     const size_t N = mChildren.size();
    951     for (size_t i=0; i<N; i++) {
    952         status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
    953         if (err < NO_ERROR) {
    954             hasErrors = true;
    955         }
    956     }
    957 
    958     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
    959 }
    960 
    961 status_t XMLNode::flatten(const sp<AaptFile>& dest,
    962         bool stripComments, bool stripRawValues) const
    963 {
    964     StringPool strings = StringPool(false, mUTF8);
    965     Vector<uint32_t> resids;
    966 
    967     // First collect just the strings for attribute names that have a
    968     // resource ID assigned to them.  This ensures that the resource ID
    969     // array is compact, and makes it easier to deal with attribute names
    970     // in different namespaces (and thus with different resource IDs).
    971     collect_resid_strings(&strings, &resids);
    972 
    973     // Next collect all remainibng strings.
    974     collect_strings(&strings, &resids, stripComments, stripRawValues);
    975 
    976 #if 0  // No longer compiles
    977     NOISY(printf("Found strings:\n");
    978         const size_t N = strings.size();
    979         for (size_t i=0; i<N; i++) {
    980             printf("%s\n", String8(strings.entryAt(i).string).string());
    981         }
    982     );
    983 #endif
    984 
    985     sp<AaptFile> stringPool = strings.createStringBlock();
    986     NOISY(aout << "String pool:"
    987           << HexDump(stringPool->getData(), stringPool->getSize()) << endl);
    988 
    989     ResXMLTree_header header;
    990     memset(&header, 0, sizeof(header));
    991     header.header.type = htods(RES_XML_TYPE);
    992     header.header.headerSize = htods(sizeof(header));
    993 
    994     const size_t basePos = dest->getSize();
    995     dest->writeData(&header, sizeof(header));
    996     dest->writeData(stringPool->getData(), stringPool->getSize());
    997 
    998     // If we have resource IDs, write them.
    999     if (resids.size() > 0) {
   1000         const size_t resIdsPos = dest->getSize();
   1001         const size_t resIdsSize =
   1002             sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
   1003         ResChunk_header* idsHeader = (ResChunk_header*)
   1004             (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
   1005         idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
   1006         idsHeader->headerSize = htods(sizeof(*idsHeader));
   1007         idsHeader->size = htodl(resIdsSize);
   1008         uint32_t* ids = (uint32_t*)(idsHeader+1);
   1009         for (size_t i=0; i<resids.size(); i++) {
   1010             *ids++ = htodl(resids[i]);
   1011         }
   1012     }
   1013 
   1014     flatten_node(strings, dest, stripComments, stripRawValues);
   1015 
   1016     void* data = dest->editData();
   1017     ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
   1018     size_t size = dest->getSize()-basePos;
   1019     hd->header.size = htodl(dest->getSize()-basePos);
   1020 
   1021     NOISY(aout << "XML resource:"
   1022           << HexDump(dest->getData(), dest->getSize()) << endl);
   1023 
   1024     #if PRINT_STRING_METRICS
   1025     fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
   1026         dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
   1027         dest->getPath().string());
   1028     #endif
   1029 
   1030     return NO_ERROR;
   1031 }
   1032 
   1033 void XMLNode::print(int indent)
   1034 {
   1035     String8 prefix;
   1036     int i;
   1037     for (i=0; i<indent; i++) {
   1038         prefix.append("  ");
   1039     }
   1040     if (getType() == TYPE_ELEMENT) {
   1041         String8 elemNs(getNamespaceUri());
   1042         if (elemNs.size() > 0) {
   1043             elemNs.append(":");
   1044         }
   1045         printf("%s E: %s%s", prefix.string(),
   1046                elemNs.string(), String8(getElementName()).string());
   1047         int N = mAttributes.size();
   1048         for (i=0; i<N; i++) {
   1049             ssize_t idx = mAttributeOrder.valueAt(i);
   1050             if (i == 0) {
   1051                 printf(" / ");
   1052             } else {
   1053                 printf(", ");
   1054             }
   1055             const attribute_entry& attr = mAttributes.itemAt(idx);
   1056             String8 attrNs(attr.ns);
   1057             if (attrNs.size() > 0) {
   1058                 attrNs.append(":");
   1059             }
   1060             if (attr.nameResId) {
   1061                 printf("%s%s(0x%08x)", attrNs.string(),
   1062                        String8(attr.name).string(), attr.nameResId);
   1063             } else {
   1064                 printf("%s%s", attrNs.string(), String8(attr.name).string());
   1065             }
   1066             printf("=%s", String8(attr.string).string());
   1067         }
   1068         printf("\n");
   1069     } else if (getType() == TYPE_NAMESPACE) {
   1070         printf("%s N: %s=%s\n", prefix.string(),
   1071                getNamespacePrefix().size() > 0
   1072                     ? String8(getNamespacePrefix()).string() : "<DEF>",
   1073                String8(getNamespaceUri()).string());
   1074     } else {
   1075         printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
   1076     }
   1077     int N = mChildren.size();
   1078     for (i=0; i<N; i++) {
   1079         mChildren.itemAt(i)->print(indent+1);
   1080     }
   1081 }
   1082 
   1083 static void splitName(const char* name, String16* outNs, String16* outName)
   1084 {
   1085     const char* p = name;
   1086     while (*p != 0 && *p != 1) {
   1087         p++;
   1088     }
   1089     if (*p == 0) {
   1090         *outNs = String16();
   1091         *outName = String16(name);
   1092     } else {
   1093         *outNs = String16(name, (p-name));
   1094         *outName = String16(p+1);
   1095     }
   1096 }
   1097 
   1098 void XMLCALL
   1099 XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
   1100 {
   1101     NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
   1102     ParseState* st = (ParseState*)userData;
   1103     sp<XMLNode> node = XMLNode::newNamespace(st->filename,
   1104             String16(prefix != NULL ? prefix : ""), String16(uri));
   1105     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1106     if (st->stack.size() > 0) {
   1107         st->stack.itemAt(st->stack.size()-1)->addChild(node);
   1108     } else {
   1109         st->root = node;
   1110     }
   1111     st->stack.push(node);
   1112 }
   1113 
   1114 void XMLCALL
   1115 XMLNode::startElement(void *userData, const char *name, const char **atts)
   1116 {
   1117     NOISY_PARSE(printf("Start Element: %s\n", name));
   1118     ParseState* st = (ParseState*)userData;
   1119     String16 ns16, name16;
   1120     splitName(name, &ns16, &name16);
   1121     sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
   1122     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1123     if (st->pendingComment.size() > 0) {
   1124         node->appendComment(st->pendingComment);
   1125         st->pendingComment = String16();
   1126     }
   1127     if (st->stack.size() > 0) {
   1128         st->stack.itemAt(st->stack.size()-1)->addChild(node);
   1129     } else {
   1130         st->root = node;
   1131     }
   1132     st->stack.push(node);
   1133 
   1134     for (int i = 0; atts[i]; i += 2) {
   1135         splitName(atts[i], &ns16, &name16);
   1136         node->addAttribute(ns16, name16, String16(atts[i+1]));
   1137     }
   1138 }
   1139 
   1140 void XMLCALL
   1141 XMLNode::characterData(void *userData, const XML_Char *s, int len)
   1142 {
   1143     NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
   1144     ParseState* st = (ParseState*)userData;
   1145     sp<XMLNode> node = NULL;
   1146     if (st->stack.size() == 0) {
   1147         return;
   1148     }
   1149     sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
   1150     if (parent != NULL && parent->getChildren().size() > 0) {
   1151         node = parent->getChildren()[parent->getChildren().size()-1];
   1152         if (node->getType() != TYPE_CDATA) {
   1153             // Last node is not CDATA, need to make a new node.
   1154             node = NULL;
   1155         }
   1156     }
   1157 
   1158     if (node == NULL) {
   1159         node = XMLNode::newCData(st->filename);
   1160         node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1161         parent->addChild(node);
   1162     }
   1163 
   1164     node->appendChars(String16(s, len));
   1165 }
   1166 
   1167 void XMLCALL
   1168 XMLNode::endElement(void *userData, const char *name)
   1169 {
   1170     NOISY_PARSE(printf("End Element: %s\n", name));
   1171     ParseState* st = (ParseState*)userData;
   1172     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
   1173     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
   1174     if (st->pendingComment.size() > 0) {
   1175         node->appendComment(st->pendingComment);
   1176         st->pendingComment = String16();
   1177     }
   1178     String16 ns16, name16;
   1179     splitName(name, &ns16, &name16);
   1180     LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
   1181                         || node->getElementName() != name16,
   1182                         "Bad end element %s", name);
   1183     st->stack.pop();
   1184 }
   1185 
   1186 void XMLCALL
   1187 XMLNode::endNamespace(void *userData, const char *prefix)
   1188 {
   1189     const char* nonNullPrefix = prefix != NULL ? prefix : "";
   1190     NOISY_PARSE(printf("End Namespace: %s\n", prefix));
   1191     ParseState* st = (ParseState*)userData;
   1192     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
   1193     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
   1194     LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
   1195                         "Bad end namespace %s", prefix);
   1196     st->stack.pop();
   1197 }
   1198 
   1199 void XMLCALL
   1200 XMLNode::commentData(void *userData, const char *comment)
   1201 {
   1202     NOISY_PARSE(printf("Comment: %s\n", comment));
   1203     ParseState* st = (ParseState*)userData;
   1204     if (st->pendingComment.size() > 0) {
   1205         st->pendingComment.append(String16("\n"));
   1206     }
   1207     st->pendingComment.append(String16(comment));
   1208 }
   1209 
   1210 status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
   1211         bool stripComments, bool stripRawValues) const
   1212 {
   1213     collect_attr_strings(dest, outResIds, true);
   1214 
   1215     int i;
   1216     if (mNamespacePrefix.size() > 0) {
   1217         dest->add(mNamespacePrefix, true);
   1218     }
   1219     if (mNamespaceUri.size() > 0) {
   1220         dest->add(mNamespaceUri, true);
   1221     }
   1222     if (mElementName.size() > 0) {
   1223         dest->add(mElementName, true);
   1224     }
   1225 
   1226     if (!stripComments && mComment.size() > 0) {
   1227         dest->add(mComment, true);
   1228     }
   1229 
   1230     const int NA = mAttributes.size();
   1231 
   1232     for (i=0; i<NA; i++) {
   1233         const attribute_entry& ae = mAttributes.itemAt(i);
   1234         if (ae.ns.size() > 0) {
   1235             dest->add(ae.ns, true);
   1236         }
   1237         if (!stripRawValues || ae.needStringValue()) {
   1238             dest->add(ae.string, true);
   1239         }
   1240         /*
   1241         if (ae.value.dataType == Res_value::TYPE_NULL
   1242                 || ae.value.dataType == Res_value::TYPE_STRING) {
   1243             dest->add(ae.string, true);
   1244         }
   1245         */
   1246     }
   1247 
   1248     if (mElementName.size() == 0) {
   1249         // If not an element, include the CDATA, even if it is empty.
   1250         dest->add(mChars, true);
   1251     }
   1252 
   1253     const int NC = mChildren.size();
   1254 
   1255     for (i=0; i<NC; i++) {
   1256         mChildren.itemAt(i)->collect_strings(dest, outResIds,
   1257                 stripComments, stripRawValues);
   1258     }
   1259 
   1260     return NO_ERROR;
   1261 }
   1262 
   1263 status_t XMLNode::collect_attr_strings(StringPool* outPool,
   1264         Vector<uint32_t>* outResIds, bool allAttrs) const {
   1265     const int NA = mAttributes.size();
   1266 
   1267     for (int i=0; i<NA; i++) {
   1268         const attribute_entry& attr = mAttributes.itemAt(i);
   1269         uint32_t id = attr.nameResId;
   1270         if (id || allAttrs) {
   1271             // See if we have already assigned this resource ID to a pooled
   1272             // string...
   1273             const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
   1274             ssize_t idx = -1;
   1275             if (indices != NULL) {
   1276                 const int NJ = indices->size();
   1277                 const size_t NR = outResIds->size();
   1278                 for (int j=0; j<NJ; j++) {
   1279                     size_t strIdx = indices->itemAt(j);
   1280                     if (strIdx >= NR) {
   1281                         if (id == 0) {
   1282                             // We don't need to assign a resource ID for this one.
   1283                             idx = strIdx;
   1284                             break;
   1285                         }
   1286                         // Just ignore strings that are out of range of
   1287                         // the currently assigned resource IDs...  we add
   1288                         // strings as we assign the first ID.
   1289                     } else if (outResIds->itemAt(strIdx) == id) {
   1290                         idx = strIdx;
   1291                         break;
   1292                     }
   1293                 }
   1294             }
   1295             if (idx < 0) {
   1296                 idx = outPool->add(attr.name);
   1297                 NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
   1298                         String8(attr.name).string(), id, idx));
   1299                 if (id != 0) {
   1300                     while ((ssize_t)outResIds->size() <= idx) {
   1301                         outResIds->add(0);
   1302                     }
   1303                     outResIds->replaceAt(id, idx);
   1304                 }
   1305             }
   1306             attr.namePoolIdx = idx;
   1307             NOISY(printf("String %s offset=0x%08x\n",
   1308                          String8(attr.name).string(), idx));
   1309         }
   1310     }
   1311 
   1312     return NO_ERROR;
   1313 }
   1314 
   1315 status_t XMLNode::collect_resid_strings(StringPool* outPool,
   1316         Vector<uint32_t>* outResIds) const
   1317 {
   1318     collect_attr_strings(outPool, outResIds, false);
   1319 
   1320     const int NC = mChildren.size();
   1321 
   1322     for (int i=0; i<NC; i++) {
   1323         mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
   1324     }
   1325 
   1326     return NO_ERROR;
   1327 }
   1328 
   1329 status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
   1330         bool stripComments, bool stripRawValues) const
   1331 {
   1332     ResXMLTree_node node;
   1333     ResXMLTree_cdataExt cdataExt;
   1334     ResXMLTree_namespaceExt namespaceExt;
   1335     ResXMLTree_attrExt attrExt;
   1336     const void* extData = NULL;
   1337     size_t extSize = 0;
   1338     ResXMLTree_attribute attr;
   1339 
   1340     const size_t NA = mAttributes.size();
   1341     const size_t NC = mChildren.size();
   1342     size_t i;
   1343 
   1344     LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
   1345 
   1346     const String16 id16("id");
   1347     const String16 class16("class");
   1348     const String16 style16("style");
   1349 
   1350     const type type = getType();
   1351 
   1352     memset(&node, 0, sizeof(node));
   1353     memset(&attr, 0, sizeof(attr));
   1354     node.header.headerSize = htods(sizeof(node));
   1355     node.lineNumber = htodl(getStartLineNumber());
   1356     if (!stripComments) {
   1357         node.comment.index = htodl(
   1358             mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
   1359         //if (mComment.size() > 0) {
   1360         //  printf("Flattening comment: %s\n", String8(mComment).string());
   1361         //}
   1362     } else {
   1363         node.comment.index = htodl((uint32_t)-1);
   1364     }
   1365     if (type == TYPE_ELEMENT) {
   1366         node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
   1367         extData = &attrExt;
   1368         extSize = sizeof(attrExt);
   1369         memset(&attrExt, 0, sizeof(attrExt));
   1370         if (mNamespaceUri.size() > 0) {
   1371             attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
   1372         } else {
   1373             attrExt.ns.index = htodl((uint32_t)-1);
   1374         }
   1375         attrExt.name.index = htodl(strings.offsetForString(mElementName));
   1376         attrExt.attributeStart = htods(sizeof(attrExt));
   1377         attrExt.attributeSize = htods(sizeof(attr));
   1378         attrExt.attributeCount = htods(NA);
   1379         attrExt.idIndex = htods(0);
   1380         attrExt.classIndex = htods(0);
   1381         attrExt.styleIndex = htods(0);
   1382         for (i=0; i<NA; i++) {
   1383             ssize_t idx = mAttributeOrder.valueAt(i);
   1384             const attribute_entry& ae = mAttributes.itemAt(idx);
   1385             if (ae.ns.size() == 0) {
   1386                 if (ae.name == id16) {
   1387                     attrExt.idIndex = htods(i+1);
   1388                 } else if (ae.name == class16) {
   1389                     attrExt.classIndex = htods(i+1);
   1390                 } else if (ae.name == style16) {
   1391                     attrExt.styleIndex = htods(i+1);
   1392                 }
   1393             }
   1394         }
   1395     } else if (type == TYPE_NAMESPACE) {
   1396         node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
   1397         extData = &namespaceExt;
   1398         extSize = sizeof(namespaceExt);
   1399         memset(&namespaceExt, 0, sizeof(namespaceExt));
   1400         if (mNamespacePrefix.size() > 0) {
   1401             namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
   1402         } else {
   1403             namespaceExt.prefix.index = htodl((uint32_t)-1);
   1404         }
   1405         namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
   1406         namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
   1407         LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
   1408     } else if (type == TYPE_CDATA) {
   1409         node.header.type = htods(RES_XML_CDATA_TYPE);
   1410         extData = &cdataExt;
   1411         extSize = sizeof(cdataExt);
   1412         memset(&cdataExt, 0, sizeof(cdataExt));
   1413         cdataExt.data.index = htodl(strings.offsetForString(mChars));
   1414         cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
   1415         cdataExt.typedData.res0 = 0;
   1416         cdataExt.typedData.dataType = mCharsValue.dataType;
   1417         cdataExt.typedData.data = htodl(mCharsValue.data);
   1418         LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
   1419     }
   1420 
   1421     node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
   1422 
   1423     dest->writeData(&node, sizeof(node));
   1424     if (extSize > 0) {
   1425         dest->writeData(extData, extSize);
   1426     }
   1427 
   1428     for (i=0; i<NA; i++) {
   1429         ssize_t idx = mAttributeOrder.valueAt(i);
   1430         const attribute_entry& ae = mAttributes.itemAt(idx);
   1431         if (ae.ns.size() > 0) {
   1432             attr.ns.index = htodl(strings.offsetForString(ae.ns));
   1433         } else {
   1434             attr.ns.index = htodl((uint32_t)-1);
   1435         }
   1436         attr.name.index = htodl(ae.namePoolIdx);
   1437 
   1438         if (!stripRawValues || ae.needStringValue()) {
   1439             attr.rawValue.index = htodl(strings.offsetForString(ae.string));
   1440         } else {
   1441             attr.rawValue.index = htodl((uint32_t)-1);
   1442         }
   1443         attr.typedValue.size = htods(sizeof(attr.typedValue));
   1444         if (ae.value.dataType == Res_value::TYPE_NULL
   1445                 || ae.value.dataType == Res_value::TYPE_STRING) {
   1446             attr.typedValue.res0 = 0;
   1447             attr.typedValue.dataType = Res_value::TYPE_STRING;
   1448             attr.typedValue.data = htodl(strings.offsetForString(ae.string));
   1449         } else {
   1450             attr.typedValue.res0 = 0;
   1451             attr.typedValue.dataType = ae.value.dataType;
   1452             attr.typedValue.data = htodl(ae.value.data);
   1453         }
   1454         dest->writeData(&attr, sizeof(attr));
   1455     }
   1456 
   1457     for (i=0; i<NC; i++) {
   1458         status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
   1459                 stripComments, stripRawValues);
   1460         if (err != NO_ERROR) {
   1461             return err;
   1462         }
   1463     }
   1464 
   1465     if (type == TYPE_ELEMENT) {
   1466         ResXMLTree_endElementExt endElementExt;
   1467         memset(&endElementExt, 0, sizeof(endElementExt));
   1468         node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
   1469         node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
   1470         node.lineNumber = htodl(getEndLineNumber());
   1471         node.comment.index = htodl((uint32_t)-1);
   1472         endElementExt.ns.index = attrExt.ns.index;
   1473         endElementExt.name.index = attrExt.name.index;
   1474         dest->writeData(&node, sizeof(node));
   1475         dest->writeData(&endElementExt, sizeof(endElementExt));
   1476     } else if (type == TYPE_NAMESPACE) {
   1477         node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
   1478         node.lineNumber = htodl(getEndLineNumber());
   1479         node.comment.index = htodl((uint32_t)-1);
   1480         node.header.size = htodl(sizeof(node)+extSize);
   1481         dest->writeData(&node, sizeof(node));
   1482         dest->writeData(extData, extSize);
   1483     }
   1484 
   1485     return NO_ERROR;
   1486 }
   1487