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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_AUTO_PACKAGE_NAMESPACE = "http://schemas.android.com/apk/res-auto";
     25 const char* const RESOURCES_ROOT_PRV_NAMESPACE = "http://schemas.android.com/apk/prv/res/";
     26 
     27 const char* const XLIFF_XMLNS = "urn:oasis:names:tc:xliff:document:1.2";
     28 const char* const ALLOWED_XLIFF_ELEMENTS[] = {
     29         "bpt",
     30         "ept",
     31         "it",
     32         "ph",
     33         "g",
     34         "bx",
     35         "ex",
     36         "x"
     37     };
     38 
     39 bool isWhitespace(const char16_t* str)
     40 {
     41     while (*str != 0 && *str < 128 && isspace(*str)) {
     42         str++;
     43     }
     44     return *str == 0;
     45 }
     46 
     47 static const String16 RESOURCES_PREFIX(RESOURCES_ROOT_NAMESPACE);
     48 static const String16 RESOURCES_PREFIX_AUTO_PACKAGE(RESOURCES_AUTO_PACKAGE_NAMESPACE);
     49 static const String16 RESOURCES_PRV_PREFIX(RESOURCES_ROOT_PRV_NAMESPACE);
     50 static const String16 RESOURCES_TOOLS_NAMESPACE("http://schemas.android.com/tools");
     51 
     52 String16 getNamespaceResourcePackage(String16 appPackage, String16 namespaceUri, bool* outIsPublic)
     53 {
     54     //printf("%s starts with %s?\n", String8(namespaceUri).string(),
     55     //       String8(RESOURCES_PREFIX).string());
     56     size_t prefixSize;
     57     bool isPublic = true;
     58     if(namespaceUri.startsWith(RESOURCES_PREFIX_AUTO_PACKAGE)) {
     59         NOISY(printf("Using default application package: %s -> %s\n", String8(namespaceUri).string(), String8(appPackage).string()));
     60         isPublic = true;
     61         return appPackage;
     62     } else if (namespaceUri.startsWith(RESOURCES_PREFIX)) {
     63         prefixSize = RESOURCES_PREFIX.size();
     64     } else if (namespaceUri.startsWith(RESOURCES_PRV_PREFIX)) {
     65         isPublic = false;
     66         prefixSize = RESOURCES_PRV_PREFIX.size();
     67     } else {
     68         if (outIsPublic) *outIsPublic = isPublic; // = true
     69         return String16();
     70     }
     71 
     72     //printf("YES!\n");
     73     //printf("namespace: %s\n", String8(String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize)).string());
     74     if (outIsPublic) *outIsPublic = isPublic;
     75     return String16(namespaceUri, namespaceUri.size()-prefixSize, prefixSize);
     76 }
     77 
     78 status_t hasSubstitutionErrors(const char* fileName,
     79                                ResXMLTree* inXml,
     80                                String16 str16)
     81 {
     82     const char16_t* str = str16.string();
     83     const char16_t* p = str;
     84     const char16_t* end = str + str16.size();
     85 
     86     bool nonpositional = false;
     87     int argCount = 0;
     88 
     89     while (p < end) {
     90         /*
     91          * Look for the start of a Java-style substitution sequence.
     92          */
     93         if (*p == '%' && p + 1 < end) {
     94             p++;
     95 
     96             // A literal percent sign represented by %%
     97             if (*p == '%') {
     98                 p++;
     99                 continue;
    100             }
    101 
    102             argCount++;
    103 
    104             if (*p >= '0' && *p <= '9') {
    105                 do {
    106                     p++;
    107                 } while (*p >= '0' && *p <= '9');
    108                 if (*p != '$') {
    109                     // This must be a size specification instead of position.
    110                     nonpositional = true;
    111                 }
    112             } else if (*p == '<') {
    113                 // Reusing last argument; bad idea since it can be re-arranged.
    114                 nonpositional = true;
    115                 p++;
    116 
    117                 // Optionally '$' can be specified at the end.
    118                 if (p < end && *p == '$') {
    119                     p++;
    120                 }
    121             } else {
    122                 nonpositional = true;
    123             }
    124 
    125             // Ignore flags and widths
    126             while (p < end && (*p == '-' ||
    127                     *p == '#' ||
    128                     *p == '+' ||
    129                     *p == ' ' ||
    130                     *p == ',' ||
    131                     *p == '(' ||
    132                     (*p >= '0' && *p <= '9'))) {
    133                 p++;
    134             }
    135 
    136             /*
    137              * This is a shortcut to detect strings that are going to Time.format()
    138              * instead of String.format()
    139              *
    140              * Comparison of String.format() and Time.format() args:
    141              *
    142              * String: ABC E GH  ST X abcdefgh  nost x
    143              *   Time:    DEFGHKMS W Za  d   hkm  s w yz
    144              *
    145              * Therefore we know it's definitely Time if we have:
    146              *     DFKMWZkmwyz
    147              */
    148             if (p < end) {
    149                 switch (*p) {
    150                 case 'D':
    151                 case 'F':
    152                 case 'K':
    153                 case 'M':
    154                 case 'W':
    155                 case 'Z':
    156                 case 'k':
    157                 case 'm':
    158                 case 'w':
    159                 case 'y':
    160                 case 'z':
    161                     return NO_ERROR;
    162                 }
    163             }
    164         }
    165 
    166         p++;
    167     }
    168 
    169     /*
    170      * If we have more than one substitution in this string and any of them
    171      * are not in positional form, give the user an error.
    172      */
    173     if (argCount > 1 && nonpositional) {
    174         SourcePos(String8(fileName), inXml->getLineNumber()).error(
    175                 "Multiple substitutions specified in non-positional format; "
    176                 "did you mean to add the formatted=\"false\" attribute?\n");
    177         return NOT_ENOUGH_DATA;
    178     }
    179 
    180     return NO_ERROR;
    181 }
    182 
    183 status_t parseStyledString(Bundle* bundle,
    184                            const char* fileName,
    185                            ResXMLTree* inXml,
    186                            const String16& endTag,
    187                            String16* outString,
    188                            Vector<StringPool::entry_style_span>* outSpans,
    189                            bool isFormatted,
    190                            bool pseudolocalize)
    191 {
    192     Vector<StringPool::entry_style_span> spanStack;
    193     String16 curString;
    194     String16 rawString;
    195     const char* errorMsg;
    196     int xliffDepth = 0;
    197     bool firstTime = true;
    198 
    199     size_t len;
    200     ResXMLTree::event_code_t code;
    201     while ((code=inXml->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
    202 
    203         if (code == ResXMLTree::TEXT) {
    204             String16 text(inXml->getText(&len));
    205             if (firstTime && text.size() > 0) {
    206                 firstTime = false;
    207                 if (text.string()[0] == '@') {
    208                     // If this is a resource reference, don't do the pseudoloc.
    209                     pseudolocalize = false;
    210                 }
    211             }
    212             if (xliffDepth == 0 && pseudolocalize) {
    213                 std::string orig(String8(text).string());
    214                 std::string pseudo = pseudolocalize_string(orig);
    215                 curString.append(String16(String8(pseudo.c_str())));
    216             } else {
    217                 if (isFormatted && hasSubstitutionErrors(fileName, inXml, text) != NO_ERROR) {
    218                     return UNKNOWN_ERROR;
    219                 } else {
    220                     curString.append(text);
    221                 }
    222             }
    223         } else if (code == ResXMLTree::START_TAG) {
    224             const String16 element16(inXml->getElementName(&len));
    225             const String8 element8(element16);
    226 
    227             size_t nslen;
    228             const uint16_t* ns = inXml->getElementNamespace(&nslen);
    229             if (ns == NULL) {
    230                 ns = (const uint16_t*)"\0\0";
    231                 nslen = 0;
    232             }
    233             const String8 nspace(String16(ns, nslen));
    234             if (nspace == XLIFF_XMLNS) {
    235                 const int N = sizeof(ALLOWED_XLIFF_ELEMENTS)/sizeof(ALLOWED_XLIFF_ELEMENTS[0]);
    236                 for (int i=0; i<N; i++) {
    237                     if (element8 == ALLOWED_XLIFF_ELEMENTS[i]) {
    238                         xliffDepth++;
    239                         // in this case, treat it like it was just text, in other words, do nothing
    240                         // here and silently drop this element
    241                         goto moveon;
    242                     }
    243                 }
    244                 {
    245                     SourcePos(String8(fileName), inXml->getLineNumber()).error(
    246                             "Found unsupported XLIFF tag <%s>\n",
    247                             element8.string());
    248                     return UNKNOWN_ERROR;
    249                 }
    250 moveon:
    251                 continue;
    252             }
    253 
    254             if (outSpans == NULL) {
    255                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
    256                         "Found style tag <%s> where styles are not allowed\n", element8.string());
    257                 return UNKNOWN_ERROR;
    258             }
    259 
    260             if (!ResTable::collectString(outString, curString.string(),
    261                                          curString.size(), false, &errorMsg, true)) {
    262                 SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
    263                         errorMsg, String8(curString).string());
    264                 return UNKNOWN_ERROR;
    265             }
    266             rawString.append(curString);
    267             curString = String16();
    268 
    269             StringPool::entry_style_span span;
    270             span.name = element16;
    271             for (size_t ai=0; ai<inXml->getAttributeCount(); ai++) {
    272                 span.name.append(String16(";"));
    273                 const char16_t* str = inXml->getAttributeName(ai, &len);
    274                 span.name.append(str, len);
    275                 span.name.append(String16("="));
    276                 str = inXml->getAttributeStringValue(ai, &len);
    277                 span.name.append(str, len);
    278             }
    279             //printf("Span: %s\n", String8(span.name).string());
    280             span.span.firstChar = span.span.lastChar = outString->size();
    281             spanStack.push(span);
    282 
    283         } else if (code == ResXMLTree::END_TAG) {
    284             size_t nslen;
    285             const uint16_t* ns = inXml->getElementNamespace(&nslen);
    286             if (ns == NULL) {
    287                 ns = (const uint16_t*)"\0\0";
    288                 nslen = 0;
    289             }
    290             const String8 nspace(String16(ns, nslen));
    291             if (nspace == XLIFF_XMLNS) {
    292                 xliffDepth--;
    293                 continue;
    294             }
    295             if (!ResTable::collectString(outString, curString.string(),
    296                                          curString.size(), false, &errorMsg, true)) {
    297                 SourcePos(String8(fileName), inXml->getLineNumber()).error("%s (in %s)\n",
    298                         errorMsg, String8(curString).string());
    299                 return UNKNOWN_ERROR;
    300             }
    301             rawString.append(curString);
    302             curString = String16();
    303 
    304             if (spanStack.size() == 0) {
    305                 if (strcmp16(inXml->getElementName(&len), endTag.string()) != 0) {
    306                     SourcePos(String8(fileName), inXml->getLineNumber()).error(
    307                             "Found tag %s where <%s> close is expected\n",
    308                             String8(inXml->getElementName(&len)).string(),
    309                             String8(endTag).string());
    310                     return UNKNOWN_ERROR;
    311                 }
    312                 break;
    313             }
    314             StringPool::entry_style_span span = spanStack.top();
    315             String16 spanTag;
    316             ssize_t semi = span.name.findFirst(';');
    317             if (semi >= 0) {
    318                 spanTag.setTo(span.name.string(), semi);
    319             } else {
    320                 spanTag.setTo(span.name);
    321             }
    322             if (strcmp16(inXml->getElementName(&len), spanTag.string()) != 0) {
    323                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
    324                         "Found close tag %s where close tag %s is expected\n",
    325                         String8(inXml->getElementName(&len)).string(),
    326                         String8(spanTag).string());
    327                 return UNKNOWN_ERROR;
    328             }
    329             bool empty = true;
    330             if (outString->size() > 0) {
    331                 span.span.lastChar = outString->size()-1;
    332                 if (span.span.lastChar >= span.span.firstChar) {
    333                     empty = false;
    334                     outSpans->add(span);
    335                 }
    336             }
    337             spanStack.pop();
    338 
    339             /*
    340              * This warning seems to be just an irritation to most people,
    341              * since it is typically introduced by translators who then never
    342              * see the warning.
    343              */
    344             if (0 && empty) {
    345                 fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
    346                         fileName, inXml->getLineNumber(),
    347                         String8(spanTag).string(), String8(*outString).string());
    348 
    349             }
    350         } else if (code == ResXMLTree::START_NAMESPACE) {
    351             // nothing
    352         }
    353     }
    354 
    355     if (code == ResXMLTree::BAD_DOCUMENT) {
    356             SourcePos(String8(fileName), inXml->getLineNumber()).error(
    357                     "Error parsing XML\n");
    358     }
    359 
    360     if (outSpans != NULL && outSpans->size() > 0) {
    361         if (curString.size() > 0) {
    362             if (!ResTable::collectString(outString, curString.string(),
    363                                          curString.size(), false, &errorMsg, true)) {
    364                 SourcePos(String8(fileName), inXml->getLineNumber()).error(
    365                         "%s (in %s)\n",
    366                         errorMsg, String8(curString).string());
    367                 return UNKNOWN_ERROR;
    368             }
    369         }
    370     } else {
    371         // There is no style information, so string processing will happen
    372         // later as part of the overall type conversion.  Return to the
    373         // client the raw unprocessed text.
    374         rawString.append(curString);
    375         outString->setTo(rawString);
    376     }
    377 
    378     return NO_ERROR;
    379 }
    380 
    381 struct namespace_entry {
    382     String8 prefix;
    383     String8 uri;
    384 };
    385 
    386 static String8 make_prefix(int depth)
    387 {
    388     String8 prefix;
    389     int i;
    390     for (i=0; i<depth; i++) {
    391         prefix.append("  ");
    392     }
    393     return prefix;
    394 }
    395 
    396 static String8 build_namespace(const Vector<namespace_entry>& namespaces,
    397         const uint16_t* ns)
    398 {
    399     String8 str;
    400     if (ns != NULL) {
    401         str = String8(ns);
    402         const size_t N = namespaces.size();
    403         for (size_t i=0; i<N; i++) {
    404             const namespace_entry& ne = namespaces.itemAt(i);
    405             if (ne.uri == str) {
    406                 str = ne.prefix;
    407                 break;
    408             }
    409         }
    410         str.append(":");
    411     }
    412     return str;
    413 }
    414 
    415 void printXMLBlock(ResXMLTree* block)
    416 {
    417     block->restart();
    418 
    419     Vector<namespace_entry> namespaces;
    420 
    421     ResXMLTree::event_code_t code;
    422     int depth = 0;
    423     while ((code=block->next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
    424         String8 prefix = make_prefix(depth);
    425         int i;
    426         if (code == ResXMLTree::START_TAG) {
    427             size_t len;
    428             const uint16_t* ns16 = block->getElementNamespace(&len);
    429             String8 elemNs = build_namespace(namespaces, ns16);
    430             const uint16_t* com16 = block->getComment(&len);
    431             if (com16) {
    432                 printf("%s <!-- %s -->\n", prefix.string(), String8(com16).string());
    433             }
    434             printf("%sE: %s%s (line=%d)\n", prefix.string(), elemNs.string(),
    435                    String8(block->getElementName(&len)).string(),
    436                    block->getLineNumber());
    437             int N = block->getAttributeCount();
    438             depth++;
    439             prefix = make_prefix(depth);
    440             for (i=0; i<N; i++) {
    441                 uint32_t res = block->getAttributeNameResID(i);
    442                 ns16 = block->getAttributeNamespace(i, &len);
    443                 String8 ns = build_namespace(namespaces, ns16);
    444                 String8 name(block->getAttributeName(i, &len));
    445                 printf("%sA: ", prefix.string());
    446                 if (res) {
    447                     printf("%s%s(0x%08x)", ns.string(), name.string(), res);
    448                 } else {
    449                     printf("%s%s", ns.string(), name.string());
    450                 }
    451                 Res_value value;
    452                 block->getAttributeValue(i, &value);
    453                 if (value.dataType == Res_value::TYPE_NULL) {
    454                     printf("=(null)");
    455                 } else if (value.dataType == Res_value::TYPE_REFERENCE) {
    456                     printf("=@0x%x", (int)value.data);
    457                 } else if (value.dataType == Res_value::TYPE_ATTRIBUTE) {
    458                     printf("=?0x%x", (int)value.data);
    459                 } else if (value.dataType == Res_value::TYPE_STRING) {
    460                     printf("=\"%s\"",
    461                             ResTable::normalizeForOutput(String8(block->getAttributeStringValue(i,
    462                                         &len)).string()).string());
    463                 } else {
    464                     printf("=(type 0x%x)0x%x", (int)value.dataType, (int)value.data);
    465                 }
    466                 const char16_t* val = block->getAttributeStringValue(i, &len);
    467                 if (val != NULL) {
    468                     printf(" (Raw: \"%s\")", ResTable::normalizeForOutput(String8(val).string()).
    469                             string());
    470                 }
    471                 printf("\n");
    472             }
    473         } else if (code == ResXMLTree::END_TAG) {
    474             depth--;
    475         } else if (code == ResXMLTree::START_NAMESPACE) {
    476             namespace_entry ns;
    477             size_t len;
    478             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
    479             if (prefix16) {
    480                 ns.prefix = String8(prefix16);
    481             } else {
    482                 ns.prefix = "<DEF>";
    483             }
    484             ns.uri = String8(block->getNamespaceUri(&len));
    485             namespaces.push(ns);
    486             printf("%sN: %s=%s\n", prefix.string(), ns.prefix.string(),
    487                     ns.uri.string());
    488             depth++;
    489         } else if (code == ResXMLTree::END_NAMESPACE) {
    490             depth--;
    491             const namespace_entry& ns = namespaces.top();
    492             size_t len;
    493             const uint16_t* prefix16 = block->getNamespacePrefix(&len);
    494             String8 pr;
    495             if (prefix16) {
    496                 pr = String8(prefix16);
    497             } else {
    498                 pr = "<DEF>";
    499             }
    500             if (ns.prefix != pr) {
    501                 prefix = make_prefix(depth);
    502                 printf("%s*** BAD END NS PREFIX: found=%s, expected=%s\n",
    503                         prefix.string(), pr.string(), ns.prefix.string());
    504             }
    505             String8 uri = String8(block->getNamespaceUri(&len));
    506             if (ns.uri != uri) {
    507                 prefix = make_prefix(depth);
    508                 printf("%s *** BAD END NS URI: found=%s, expected=%s\n",
    509                         prefix.string(), uri.string(), ns.uri.string());
    510             }
    511             namespaces.pop();
    512         } else if (code == ResXMLTree::TEXT) {
    513             size_t len;
    514             printf("%sC: \"%s\"\n", prefix.string(),
    515                     ResTable::normalizeForOutput(String8(block->getText(&len)).string()).string());
    516         }
    517     }
    518 
    519     block->restart();
    520 }
    521 
    522 status_t parseXMLResource(const sp<AaptFile>& file, ResXMLTree* outTree,
    523                           bool stripAll, bool keepComments,
    524                           const char** cDataTags)
    525 {
    526     sp<XMLNode> root = XMLNode::parse(file);
    527     if (root == NULL) {
    528         return UNKNOWN_ERROR;
    529     }
    530     root->removeWhitespace(stripAll, cDataTags);
    531 
    532     NOISY(printf("Input XML from %s:\n", (const char*)file->getPrintableSource()));
    533     NOISY(root->print());
    534     sp<AaptFile> rsc = new AaptFile(String8(), AaptGroupEntry(), String8());
    535     status_t err = root->flatten(rsc, !keepComments, false);
    536     if (err != NO_ERROR) {
    537         return err;
    538     }
    539     err = outTree->setTo(rsc->getData(), rsc->getSize(), true);
    540     if (err != NO_ERROR) {
    541         return err;
    542     }
    543 
    544     NOISY(printf("Output XML:\n"));
    545     NOISY(printXMLBlock(outTree));
    546 
    547     return NO_ERROR;
    548 }
    549 
    550 sp<XMLNode> XMLNode::parse(const sp<AaptFile>& file)
    551 {
    552     char buf[16384];
    553     int fd = open(file->getSourceFile().string(), O_RDONLY | O_BINARY);
    554     if (fd < 0) {
    555         SourcePos(file->getSourceFile(), -1).error("Unable to open file for read: %s",
    556                 strerror(errno));
    557         return NULL;
    558     }
    559 
    560     XML_Parser parser = XML_ParserCreateNS(NULL, 1);
    561     ParseState state;
    562     state.filename = file->getPrintableSource();
    563     state.parser = parser;
    564     XML_SetUserData(parser, &state);
    565     XML_SetElementHandler(parser, startElement, endElement);
    566     XML_SetNamespaceDeclHandler(parser, startNamespace, endNamespace);
    567     XML_SetCharacterDataHandler(parser, characterData);
    568     XML_SetCommentHandler(parser, commentData);
    569 
    570     ssize_t len;
    571     bool done;
    572     do {
    573         len = read(fd, buf, sizeof(buf));
    574         done = len < (ssize_t)sizeof(buf);
    575         if (len < 0) {
    576             SourcePos(file->getSourceFile(), -1).error("Error reading file: %s\n", strerror(errno));
    577             close(fd);
    578             return NULL;
    579         }
    580         if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
    581             SourcePos(file->getSourceFile(), (int)XML_GetCurrentLineNumber(parser)).error(
    582                     "Error parsing XML: %s\n", XML_ErrorString(XML_GetErrorCode(parser)));
    583             close(fd);
    584             return NULL;
    585         }
    586     } while (!done);
    587 
    588     XML_ParserFree(parser);
    589     if (state.root == NULL) {
    590         SourcePos(file->getSourceFile(), -1).error("No XML data generated when parsing");
    591     }
    592     close(fd);
    593     return state.root;
    594 }
    595 
    596 XMLNode::XMLNode(const String8& filename, const String16& s1, const String16& s2, bool isNamespace)
    597     : mNextAttributeIndex(0x80000000)
    598     , mFilename(filename)
    599     , mStartLineNumber(0)
    600     , mEndLineNumber(0)
    601     , mUTF8(false)
    602 {
    603     if (isNamespace) {
    604         mNamespacePrefix = s1;
    605         mNamespaceUri = s2;
    606     } else {
    607         mNamespaceUri = s1;
    608         mElementName = s2;
    609     }
    610 }
    611 
    612 XMLNode::XMLNode(const String8& filename)
    613     : mFilename(filename)
    614 {
    615     memset(&mCharsValue, 0, sizeof(mCharsValue));
    616 }
    617 
    618 XMLNode::type XMLNode::getType() const
    619 {
    620     if (mElementName.size() != 0) {
    621         return TYPE_ELEMENT;
    622     }
    623     if (mNamespaceUri.size() != 0) {
    624         return TYPE_NAMESPACE;
    625     }
    626     return TYPE_CDATA;
    627 }
    628 
    629 const String16& XMLNode::getNamespacePrefix() const
    630 {
    631     return mNamespacePrefix;
    632 }
    633 
    634 const String16& XMLNode::getNamespaceUri() const
    635 {
    636     return mNamespaceUri;
    637 }
    638 
    639 const String16& XMLNode::getElementNamespace() const
    640 {
    641     return mNamespaceUri;
    642 }
    643 
    644 const String16& XMLNode::getElementName() const
    645 {
    646     return mElementName;
    647 }
    648 
    649 const Vector<sp<XMLNode> >& XMLNode::getChildren() const
    650 {
    651     return mChildren;
    652 }
    653 
    654 const String8& XMLNode::getFilename() const
    655 {
    656     return mFilename;
    657 }
    658 
    659 const Vector<XMLNode::attribute_entry>&
    660     XMLNode::getAttributes() const
    661 {
    662     return mAttributes;
    663 }
    664 
    665 const XMLNode::attribute_entry* XMLNode::getAttribute(const String16& ns,
    666         const String16& name) const
    667 {
    668     for (size_t i=0; i<mAttributes.size(); i++) {
    669         const attribute_entry& ae(mAttributes.itemAt(i));
    670         if (ae.ns == ns && ae.name == name) {
    671             return &ae;
    672         }
    673     }
    674 
    675     return NULL;
    676 }
    677 
    678 XMLNode::attribute_entry* XMLNode::editAttribute(const String16& ns,
    679         const String16& name)
    680 {
    681     for (size_t i=0; i<mAttributes.size(); i++) {
    682         attribute_entry * ae = &mAttributes.editItemAt(i);
    683         if (ae->ns == ns && ae->name == name) {
    684             return ae;
    685         }
    686     }
    687 
    688     return NULL;
    689 }
    690 
    691 const String16& XMLNode::getCData() const
    692 {
    693     return mChars;
    694 }
    695 
    696 const String16& XMLNode::getComment() const
    697 {
    698     return mComment;
    699 }
    700 
    701 int32_t XMLNode::getStartLineNumber() const
    702 {
    703     return mStartLineNumber;
    704 }
    705 
    706 int32_t XMLNode::getEndLineNumber() const
    707 {
    708     return mEndLineNumber;
    709 }
    710 
    711 sp<XMLNode> XMLNode::searchElement(const String16& tagNamespace, const String16& tagName)
    712 {
    713     if (getType() == XMLNode::TYPE_ELEMENT
    714             && mNamespaceUri == tagNamespace
    715             && mElementName == tagName) {
    716         return this;
    717     }
    718 
    719     for (size_t i=0; i<mChildren.size(); i++) {
    720         sp<XMLNode> found = mChildren.itemAt(i)->searchElement(tagNamespace, tagName);
    721         if (found != NULL) {
    722             return found;
    723         }
    724     }
    725 
    726     return NULL;
    727 }
    728 
    729 sp<XMLNode> XMLNode::getChildElement(const String16& tagNamespace, const String16& tagName)
    730 {
    731     for (size_t i=0; i<mChildren.size(); i++) {
    732         sp<XMLNode> child = mChildren.itemAt(i);
    733         if (child->getType() == XMLNode::TYPE_ELEMENT
    734                 && child->mNamespaceUri == tagNamespace
    735                 && child->mElementName == tagName) {
    736             return child;
    737         }
    738     }
    739 
    740     return NULL;
    741 }
    742 
    743 status_t XMLNode::addChild(const sp<XMLNode>& child)
    744 {
    745     if (getType() == TYPE_CDATA) {
    746         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
    747         return UNKNOWN_ERROR;
    748     }
    749     //printf("Adding child %p to parent %p\n", child.get(), this);
    750     mChildren.add(child);
    751     return NO_ERROR;
    752 }
    753 
    754 status_t XMLNode::insertChildAt(const sp<XMLNode>& child, size_t index)
    755 {
    756     if (getType() == TYPE_CDATA) {
    757         SourcePos(mFilename, child->getStartLineNumber()).error("Child to CDATA node.");
    758         return UNKNOWN_ERROR;
    759     }
    760     //printf("Adding child %p to parent %p\n", child.get(), this);
    761     mChildren.insertAt(child, index);
    762     return NO_ERROR;
    763 }
    764 
    765 status_t XMLNode::addAttribute(const String16& ns, const String16& name,
    766                                const String16& value)
    767 {
    768     if (getType() == TYPE_CDATA) {
    769         SourcePos(mFilename, getStartLineNumber()).error("Child to CDATA node.");
    770         return UNKNOWN_ERROR;
    771     }
    772 
    773     if (ns != RESOURCES_TOOLS_NAMESPACE) {
    774         attribute_entry e;
    775         e.index = mNextAttributeIndex++;
    776         e.ns = ns;
    777         e.name = name;
    778         e.string = value;
    779         mAttributes.add(e);
    780         mAttributeOrder.add(e.index, mAttributes.size()-1);
    781     }
    782     return NO_ERROR;
    783 }
    784 
    785 void XMLNode::setAttributeResID(size_t attrIdx, uint32_t resId)
    786 {
    787     attribute_entry& e = mAttributes.editItemAt(attrIdx);
    788     if (e.nameResId) {
    789         mAttributeOrder.removeItem(e.nameResId);
    790     } else {
    791         mAttributeOrder.removeItem(e.index);
    792     }
    793     NOISY(printf("Elem %s %s=\"%s\": set res id = 0x%08x\n",
    794             String8(getElementName()).string(),
    795             String8(mAttributes.itemAt(attrIdx).name).string(),
    796             String8(mAttributes.itemAt(attrIdx).string).string(),
    797             resId));
    798     mAttributes.editItemAt(attrIdx).nameResId = resId;
    799     mAttributeOrder.add(resId, attrIdx);
    800 }
    801 
    802 status_t XMLNode::appendChars(const String16& chars)
    803 {
    804     if (getType() != TYPE_CDATA) {
    805         SourcePos(mFilename, getStartLineNumber()).error("Adding characters to element node.");
    806         return UNKNOWN_ERROR;
    807     }
    808     mChars.append(chars);
    809     return NO_ERROR;
    810 }
    811 
    812 status_t XMLNode::appendComment(const String16& comment)
    813 {
    814     if (mComment.size() > 0) {
    815         mComment.append(String16("\n"));
    816     }
    817     mComment.append(comment);
    818     return NO_ERROR;
    819 }
    820 
    821 void XMLNode::setStartLineNumber(int32_t line)
    822 {
    823     mStartLineNumber = line;
    824 }
    825 
    826 void XMLNode::setEndLineNumber(int32_t line)
    827 {
    828     mEndLineNumber = line;
    829 }
    830 
    831 void XMLNode::removeWhitespace(bool stripAll, const char** cDataTags)
    832 {
    833     //printf("Removing whitespace in %s\n", String8(mElementName).string());
    834     size_t N = mChildren.size();
    835     if (cDataTags) {
    836         String8 tag(mElementName);
    837         const char** p = cDataTags;
    838         while (*p) {
    839             if (tag == *p) {
    840                 stripAll = false;
    841                 break;
    842             }
    843         }
    844     }
    845     for (size_t i=0; i<N; i++) {
    846         sp<XMLNode> node = mChildren.itemAt(i);
    847         if (node->getType() == TYPE_CDATA) {
    848             // This is a CDATA node...
    849             const char16_t* p = node->mChars.string();
    850             while (*p != 0 && *p < 128 && isspace(*p)) {
    851                 p++;
    852             }
    853             //printf("Space ends at %d in \"%s\"\n",
    854             //       (int)(p-node->mChars.string()),
    855             //       String8(node->mChars).string());
    856             if (*p == 0) {
    857                 if (stripAll) {
    858                     // Remove this node!
    859                     mChildren.removeAt(i);
    860                     N--;
    861                     i--;
    862                 } else {
    863                     node->mChars = String16(" ");
    864                 }
    865             } else {
    866                 // Compact leading/trailing whitespace.
    867                 const char16_t* e = node->mChars.string()+node->mChars.size()-1;
    868                 while (e > p && *e < 128 && isspace(*e)) {
    869                     e--;
    870                 }
    871                 if (p > node->mChars.string()) {
    872                     p--;
    873                 }
    874                 if (e < (node->mChars.string()+node->mChars.size()-1)) {
    875                     e++;
    876                 }
    877                 if (p > node->mChars.string() ||
    878                     e < (node->mChars.string()+node->mChars.size()-1)) {
    879                     String16 tmp(p, e-p+1);
    880                     node->mChars = tmp;
    881                 }
    882             }
    883         } else {
    884             node->removeWhitespace(stripAll, cDataTags);
    885         }
    886     }
    887 }
    888 
    889 status_t XMLNode::parseValues(const sp<AaptAssets>& assets,
    890                               ResourceTable* table)
    891 {
    892     bool hasErrors = false;
    893 
    894     if (getType() == TYPE_ELEMENT) {
    895         const size_t N = mAttributes.size();
    896         String16 defPackage(assets->getPackage());
    897         for (size_t i=0; i<N; i++) {
    898             attribute_entry& e = mAttributes.editItemAt(i);
    899             AccessorCookie ac(SourcePos(mFilename, getStartLineNumber()), String8(e.name),
    900                     String8(e.string));
    901             table->setCurrentXmlPos(SourcePos(mFilename, getStartLineNumber()));
    902             if (!assets->getIncludedResources()
    903                     .stringToValue(&e.value, &e.string,
    904                                   e.string.string(), e.string.size(), true, true,
    905                                   e.nameResId, NULL, &defPackage, table, &ac)) {
    906                 hasErrors = true;
    907             }
    908             NOISY(printf("Attr %s: type=0x%x, str=%s\n",
    909                    String8(e.name).string(), e.value.dataType,
    910                    String8(e.string).string()));
    911         }
    912     }
    913     const size_t N = mChildren.size();
    914     for (size_t i=0; i<N; i++) {
    915         status_t err = mChildren.itemAt(i)->parseValues(assets, table);
    916         if (err != NO_ERROR) {
    917             hasErrors = true;
    918         }
    919     }
    920     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
    921 }
    922 
    923 status_t XMLNode::assignResourceIds(const sp<AaptAssets>& assets,
    924                                     const ResourceTable* table)
    925 {
    926     bool hasErrors = false;
    927 
    928     if (getType() == TYPE_ELEMENT) {
    929         String16 attr("attr");
    930         const char* errorMsg;
    931         const size_t N = mAttributes.size();
    932         for (size_t i=0; i<N; i++) {
    933             const attribute_entry& e = mAttributes.itemAt(i);
    934             if (e.ns.size() <= 0) continue;
    935             bool nsIsPublic;
    936             String16 pkg(getNamespaceResourcePackage(String16(assets->getPackage()), e.ns, &nsIsPublic));
    937             NOISY(printf("Elem %s %s=\"%s\": namespace(%s) %s ===> %s\n",
    938                     String8(getElementName()).string(),
    939                     String8(e.name).string(),
    940                     String8(e.string).string(),
    941                     String8(e.ns).string(),
    942                     (nsIsPublic) ? "public" : "private",
    943                     String8(pkg).string()));
    944             if (pkg.size() <= 0) continue;
    945             uint32_t res = table != NULL
    946                 ? table->getResId(e.name, &attr, &pkg, &errorMsg, nsIsPublic)
    947                 : assets->getIncludedResources().
    948                     identifierForName(e.name.string(), e.name.size(),
    949                                       attr.string(), attr.size(),
    950                                       pkg.string(), pkg.size());
    951             if (res != 0) {
    952                 NOISY(printf("XML attribute name %s: resid=0x%08x\n",
    953                              String8(e.name).string(), res));
    954                 setAttributeResID(i, res);
    955             } else {
    956                 SourcePos(mFilename, getStartLineNumber()).error(
    957                         "No resource identifier found for attribute '%s' in package '%s'\n",
    958                         String8(e.name).string(), String8(pkg).string());
    959                 hasErrors = true;
    960             }
    961         }
    962     }
    963     const size_t N = mChildren.size();
    964     for (size_t i=0; i<N; i++) {
    965         status_t err = mChildren.itemAt(i)->assignResourceIds(assets, table);
    966         if (err < NO_ERROR) {
    967             hasErrors = true;
    968         }
    969     }
    970 
    971     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
    972 }
    973 
    974 status_t XMLNode::flatten(const sp<AaptFile>& dest,
    975         bool stripComments, bool stripRawValues) const
    976 {
    977     StringPool strings(mUTF8);
    978     Vector<uint32_t> resids;
    979 
    980     // First collect just the strings for attribute names that have a
    981     // resource ID assigned to them.  This ensures that the resource ID
    982     // array is compact, and makes it easier to deal with attribute names
    983     // in different namespaces (and thus with different resource IDs).
    984     collect_resid_strings(&strings, &resids);
    985 
    986     // Next collect all remainibng strings.
    987     collect_strings(&strings, &resids, stripComments, stripRawValues);
    988 
    989 #if 0  // No longer compiles
    990     NOISY(printf("Found strings:\n");
    991         const size_t N = strings.size();
    992         for (size_t i=0; i<N; i++) {
    993             printf("%s\n", String8(strings.entryAt(i).string).string());
    994         }
    995     );
    996 #endif
    997 
    998     sp<AaptFile> stringPool = strings.createStringBlock();
    999     NOISY(aout << "String pool:"
   1000           << HexDump(stringPool->getData(), stringPool->getSize()) << endl);
   1001 
   1002     ResXMLTree_header header;
   1003     memset(&header, 0, sizeof(header));
   1004     header.header.type = htods(RES_XML_TYPE);
   1005     header.header.headerSize = htods(sizeof(header));
   1006 
   1007     const size_t basePos = dest->getSize();
   1008     dest->writeData(&header, sizeof(header));
   1009     dest->writeData(stringPool->getData(), stringPool->getSize());
   1010 
   1011     // If we have resource IDs, write them.
   1012     if (resids.size() > 0) {
   1013         const size_t resIdsPos = dest->getSize();
   1014         const size_t resIdsSize =
   1015             sizeof(ResChunk_header)+(sizeof(uint32_t)*resids.size());
   1016         ResChunk_header* idsHeader = (ResChunk_header*)
   1017             (((const uint8_t*)dest->editData(resIdsPos+resIdsSize))+resIdsPos);
   1018         idsHeader->type = htods(RES_XML_RESOURCE_MAP_TYPE);
   1019         idsHeader->headerSize = htods(sizeof(*idsHeader));
   1020         idsHeader->size = htodl(resIdsSize);
   1021         uint32_t* ids = (uint32_t*)(idsHeader+1);
   1022         for (size_t i=0; i<resids.size(); i++) {
   1023             *ids++ = htodl(resids[i]);
   1024         }
   1025     }
   1026 
   1027     flatten_node(strings, dest, stripComments, stripRawValues);
   1028 
   1029     void* data = dest->editData();
   1030     ResXMLTree_header* hd = (ResXMLTree_header*)(((uint8_t*)data)+basePos);
   1031     size_t size = dest->getSize()-basePos;
   1032     hd->header.size = htodl(dest->getSize()-basePos);
   1033 
   1034     NOISY(aout << "XML resource:"
   1035           << HexDump(dest->getData(), dest->getSize()) << endl);
   1036 
   1037     #if PRINT_STRING_METRICS
   1038     fprintf(stderr, "**** total xml size: %d / %d%% strings (in %s)\n",
   1039         dest->getSize(), (stringPool->getSize()*100)/dest->getSize(),
   1040         dest->getPath().string());
   1041     #endif
   1042 
   1043     return NO_ERROR;
   1044 }
   1045 
   1046 void XMLNode::print(int indent)
   1047 {
   1048     String8 prefix;
   1049     int i;
   1050     for (i=0; i<indent; i++) {
   1051         prefix.append("  ");
   1052     }
   1053     if (getType() == TYPE_ELEMENT) {
   1054         String8 elemNs(getNamespaceUri());
   1055         if (elemNs.size() > 0) {
   1056             elemNs.append(":");
   1057         }
   1058         printf("%s E: %s%s", prefix.string(),
   1059                elemNs.string(), String8(getElementName()).string());
   1060         int N = mAttributes.size();
   1061         for (i=0; i<N; i++) {
   1062             ssize_t idx = mAttributeOrder.valueAt(i);
   1063             if (i == 0) {
   1064                 printf(" / ");
   1065             } else {
   1066                 printf(", ");
   1067             }
   1068             const attribute_entry& attr = mAttributes.itemAt(idx);
   1069             String8 attrNs(attr.ns);
   1070             if (attrNs.size() > 0) {
   1071                 attrNs.append(":");
   1072             }
   1073             if (attr.nameResId) {
   1074                 printf("%s%s(0x%08x)", attrNs.string(),
   1075                        String8(attr.name).string(), attr.nameResId);
   1076             } else {
   1077                 printf("%s%s", attrNs.string(), String8(attr.name).string());
   1078             }
   1079             printf("=%s", String8(attr.string).string());
   1080         }
   1081         printf("\n");
   1082     } else if (getType() == TYPE_NAMESPACE) {
   1083         printf("%s N: %s=%s\n", prefix.string(),
   1084                getNamespacePrefix().size() > 0
   1085                     ? String8(getNamespacePrefix()).string() : "<DEF>",
   1086                String8(getNamespaceUri()).string());
   1087     } else {
   1088         printf("%s C: \"%s\"\n", prefix.string(), String8(getCData()).string());
   1089     }
   1090     int N = mChildren.size();
   1091     for (i=0; i<N; i++) {
   1092         mChildren.itemAt(i)->print(indent+1);
   1093     }
   1094 }
   1095 
   1096 static void splitName(const char* name, String16* outNs, String16* outName)
   1097 {
   1098     const char* p = name;
   1099     while (*p != 0 && *p != 1) {
   1100         p++;
   1101     }
   1102     if (*p == 0) {
   1103         *outNs = String16();
   1104         *outName = String16(name);
   1105     } else {
   1106         *outNs = String16(name, (p-name));
   1107         *outName = String16(p+1);
   1108     }
   1109 }
   1110 
   1111 void XMLCALL
   1112 XMLNode::startNamespace(void *userData, const char *prefix, const char *uri)
   1113 {
   1114     NOISY_PARSE(printf("Start Namespace: %s %s\n", prefix, uri));
   1115     ParseState* st = (ParseState*)userData;
   1116     sp<XMLNode> node = XMLNode::newNamespace(st->filename,
   1117             String16(prefix != NULL ? prefix : ""), String16(uri));
   1118     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1119     if (st->stack.size() > 0) {
   1120         st->stack.itemAt(st->stack.size()-1)->addChild(node);
   1121     } else {
   1122         st->root = node;
   1123     }
   1124     st->stack.push(node);
   1125 }
   1126 
   1127 void XMLCALL
   1128 XMLNode::startElement(void *userData, const char *name, const char **atts)
   1129 {
   1130     NOISY_PARSE(printf("Start Element: %s\n", name));
   1131     ParseState* st = (ParseState*)userData;
   1132     String16 ns16, name16;
   1133     splitName(name, &ns16, &name16);
   1134     sp<XMLNode> node = XMLNode::newElement(st->filename, ns16, name16);
   1135     node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1136     if (st->pendingComment.size() > 0) {
   1137         node->appendComment(st->pendingComment);
   1138         st->pendingComment = String16();
   1139     }
   1140     if (st->stack.size() > 0) {
   1141         st->stack.itemAt(st->stack.size()-1)->addChild(node);
   1142     } else {
   1143         st->root = node;
   1144     }
   1145     st->stack.push(node);
   1146 
   1147     for (int i = 0; atts[i]; i += 2) {
   1148         splitName(atts[i], &ns16, &name16);
   1149         node->addAttribute(ns16, name16, String16(atts[i+1]));
   1150     }
   1151 }
   1152 
   1153 void XMLCALL
   1154 XMLNode::characterData(void *userData, const XML_Char *s, int len)
   1155 {
   1156     NOISY_PARSE(printf("CDATA: \"%s\"\n", String8(s, len).string()));
   1157     ParseState* st = (ParseState*)userData;
   1158     sp<XMLNode> node = NULL;
   1159     if (st->stack.size() == 0) {
   1160         return;
   1161     }
   1162     sp<XMLNode> parent = st->stack.itemAt(st->stack.size()-1);
   1163     if (parent != NULL && parent->getChildren().size() > 0) {
   1164         node = parent->getChildren()[parent->getChildren().size()-1];
   1165         if (node->getType() != TYPE_CDATA) {
   1166             // Last node is not CDATA, need to make a new node.
   1167             node = NULL;
   1168         }
   1169     }
   1170 
   1171     if (node == NULL) {
   1172         node = XMLNode::newCData(st->filename);
   1173         node->setStartLineNumber(XML_GetCurrentLineNumber(st->parser));
   1174         parent->addChild(node);
   1175     }
   1176 
   1177     node->appendChars(String16(s, len));
   1178 }
   1179 
   1180 void XMLCALL
   1181 XMLNode::endElement(void *userData, const char *name)
   1182 {
   1183     NOISY_PARSE(printf("End Element: %s\n", name));
   1184     ParseState* st = (ParseState*)userData;
   1185     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
   1186     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
   1187     if (st->pendingComment.size() > 0) {
   1188         node->appendComment(st->pendingComment);
   1189         st->pendingComment = String16();
   1190     }
   1191     String16 ns16, name16;
   1192     splitName(name, &ns16, &name16);
   1193     LOG_ALWAYS_FATAL_IF(node->getElementNamespace() != ns16
   1194                         || node->getElementName() != name16,
   1195                         "Bad end element %s", name);
   1196     st->stack.pop();
   1197 }
   1198 
   1199 void XMLCALL
   1200 XMLNode::endNamespace(void *userData, const char *prefix)
   1201 {
   1202     const char* nonNullPrefix = prefix != NULL ? prefix : "";
   1203     NOISY_PARSE(printf("End Namespace: %s\n", prefix));
   1204     ParseState* st = (ParseState*)userData;
   1205     sp<XMLNode> node = st->stack.itemAt(st->stack.size()-1);
   1206     node->setEndLineNumber(XML_GetCurrentLineNumber(st->parser));
   1207     LOG_ALWAYS_FATAL_IF(node->getNamespacePrefix() != String16(nonNullPrefix),
   1208                         "Bad end namespace %s", prefix);
   1209     st->stack.pop();
   1210 }
   1211 
   1212 void XMLCALL
   1213 XMLNode::commentData(void *userData, const char *comment)
   1214 {
   1215     NOISY_PARSE(printf("Comment: %s\n", comment));
   1216     ParseState* st = (ParseState*)userData;
   1217     if (st->pendingComment.size() > 0) {
   1218         st->pendingComment.append(String16("\n"));
   1219     }
   1220     st->pendingComment.append(String16(comment));
   1221 }
   1222 
   1223 status_t XMLNode::collect_strings(StringPool* dest, Vector<uint32_t>* outResIds,
   1224         bool stripComments, bool stripRawValues) const
   1225 {
   1226     collect_attr_strings(dest, outResIds, true);
   1227 
   1228     int i;
   1229     if (RESOURCES_TOOLS_NAMESPACE != mNamespaceUri) {
   1230         if (mNamespacePrefix.size() > 0) {
   1231             dest->add(mNamespacePrefix, true);
   1232         }
   1233         if (mNamespaceUri.size() > 0) {
   1234             dest->add(mNamespaceUri, true);
   1235         }
   1236     }
   1237     if (mElementName.size() > 0) {
   1238         dest->add(mElementName, true);
   1239     }
   1240 
   1241     if (!stripComments && mComment.size() > 0) {
   1242         dest->add(mComment, true);
   1243     }
   1244 
   1245     const int NA = mAttributes.size();
   1246 
   1247     for (i=0; i<NA; i++) {
   1248         const attribute_entry& ae = mAttributes.itemAt(i);
   1249         if (ae.ns.size() > 0) {
   1250             dest->add(ae.ns, true);
   1251         }
   1252         if (!stripRawValues || ae.needStringValue()) {
   1253             dest->add(ae.string, true);
   1254         }
   1255         /*
   1256         if (ae.value.dataType == Res_value::TYPE_NULL
   1257                 || ae.value.dataType == Res_value::TYPE_STRING) {
   1258             dest->add(ae.string, true);
   1259         }
   1260         */
   1261     }
   1262 
   1263     if (mElementName.size() == 0) {
   1264         // If not an element, include the CDATA, even if it is empty.
   1265         dest->add(mChars, true);
   1266     }
   1267 
   1268     const int NC = mChildren.size();
   1269 
   1270     for (i=0; i<NC; i++) {
   1271         mChildren.itemAt(i)->collect_strings(dest, outResIds,
   1272                 stripComments, stripRawValues);
   1273     }
   1274 
   1275     return NO_ERROR;
   1276 }
   1277 
   1278 status_t XMLNode::collect_attr_strings(StringPool* outPool,
   1279         Vector<uint32_t>* outResIds, bool allAttrs) const {
   1280     const int NA = mAttributes.size();
   1281 
   1282     for (int i=0; i<NA; i++) {
   1283         const attribute_entry& attr = mAttributes.itemAt(i);
   1284         uint32_t id = attr.nameResId;
   1285         if (id || allAttrs) {
   1286             // See if we have already assigned this resource ID to a pooled
   1287             // string...
   1288             const Vector<size_t>* indices = outPool->offsetsForString(attr.name);
   1289             ssize_t idx = -1;
   1290             if (indices != NULL) {
   1291                 const int NJ = indices->size();
   1292                 const size_t NR = outResIds->size();
   1293                 for (int j=0; j<NJ; j++) {
   1294                     size_t strIdx = indices->itemAt(j);
   1295                     if (strIdx >= NR) {
   1296                         if (id == 0) {
   1297                             // We don't need to assign a resource ID for this one.
   1298                             idx = strIdx;
   1299                             break;
   1300                         }
   1301                         // Just ignore strings that are out of range of
   1302                         // the currently assigned resource IDs...  we add
   1303                         // strings as we assign the first ID.
   1304                     } else if (outResIds->itemAt(strIdx) == id) {
   1305                         idx = strIdx;
   1306                         break;
   1307                     }
   1308                 }
   1309             }
   1310             if (idx < 0) {
   1311                 idx = outPool->add(attr.name);
   1312                 NOISY(printf("Adding attr %s (resid 0x%08x) to pool: idx=%d\n",
   1313                         String8(attr.name).string(), id, idx));
   1314                 if (id != 0) {
   1315                     while ((ssize_t)outResIds->size() <= idx) {
   1316                         outResIds->add(0);
   1317                     }
   1318                     outResIds->replaceAt(id, idx);
   1319                 }
   1320             }
   1321             attr.namePoolIdx = idx;
   1322             NOISY(printf("String %s offset=0x%08x\n",
   1323                          String8(attr.name).string(), idx));
   1324         }
   1325     }
   1326 
   1327     return NO_ERROR;
   1328 }
   1329 
   1330 status_t XMLNode::collect_resid_strings(StringPool* outPool,
   1331         Vector<uint32_t>* outResIds) const
   1332 {
   1333     collect_attr_strings(outPool, outResIds, false);
   1334 
   1335     const int NC = mChildren.size();
   1336 
   1337     for (int i=0; i<NC; i++) {
   1338         mChildren.itemAt(i)->collect_resid_strings(outPool, outResIds);
   1339     }
   1340 
   1341     return NO_ERROR;
   1342 }
   1343 
   1344 status_t XMLNode::flatten_node(const StringPool& strings, const sp<AaptFile>& dest,
   1345         bool stripComments, bool stripRawValues) const
   1346 {
   1347     ResXMLTree_node node;
   1348     ResXMLTree_cdataExt cdataExt;
   1349     ResXMLTree_namespaceExt namespaceExt;
   1350     ResXMLTree_attrExt attrExt;
   1351     const void* extData = NULL;
   1352     size_t extSize = 0;
   1353     ResXMLTree_attribute attr;
   1354     bool writeCurrentNode = true;
   1355 
   1356     const size_t NA = mAttributes.size();
   1357     const size_t NC = mChildren.size();
   1358     size_t i;
   1359 
   1360     LOG_ALWAYS_FATAL_IF(NA != mAttributeOrder.size(), "Attributes messed up!");
   1361 
   1362     const String16 id16("id");
   1363     const String16 class16("class");
   1364     const String16 style16("style");
   1365 
   1366     const type type = getType();
   1367 
   1368     memset(&node, 0, sizeof(node));
   1369     memset(&attr, 0, sizeof(attr));
   1370     node.header.headerSize = htods(sizeof(node));
   1371     node.lineNumber = htodl(getStartLineNumber());
   1372     if (!stripComments) {
   1373         node.comment.index = htodl(
   1374             mComment.size() > 0 ? strings.offsetForString(mComment) : -1);
   1375         //if (mComment.size() > 0) {
   1376         //  printf("Flattening comment: %s\n", String8(mComment).string());
   1377         //}
   1378     } else {
   1379         node.comment.index = htodl((uint32_t)-1);
   1380     }
   1381     if (type == TYPE_ELEMENT) {
   1382         node.header.type = htods(RES_XML_START_ELEMENT_TYPE);
   1383         extData = &attrExt;
   1384         extSize = sizeof(attrExt);
   1385         memset(&attrExt, 0, sizeof(attrExt));
   1386         if (mNamespaceUri.size() > 0) {
   1387             attrExt.ns.index = htodl(strings.offsetForString(mNamespaceUri));
   1388         } else {
   1389             attrExt.ns.index = htodl((uint32_t)-1);
   1390         }
   1391         attrExt.name.index = htodl(strings.offsetForString(mElementName));
   1392         attrExt.attributeStart = htods(sizeof(attrExt));
   1393         attrExt.attributeSize = htods(sizeof(attr));
   1394         attrExt.attributeCount = htods(NA);
   1395         attrExt.idIndex = htods(0);
   1396         attrExt.classIndex = htods(0);
   1397         attrExt.styleIndex = htods(0);
   1398         for (i=0; i<NA; i++) {
   1399             ssize_t idx = mAttributeOrder.valueAt(i);
   1400             const attribute_entry& ae = mAttributes.itemAt(idx);
   1401             if (ae.ns.size() == 0) {
   1402                 if (ae.name == id16) {
   1403                     attrExt.idIndex = htods(i+1);
   1404                 } else if (ae.name == class16) {
   1405                     attrExt.classIndex = htods(i+1);
   1406                 } else if (ae.name == style16) {
   1407                     attrExt.styleIndex = htods(i+1);
   1408                 }
   1409             }
   1410         }
   1411     } else if (type == TYPE_NAMESPACE) {
   1412         if (mNamespaceUri == RESOURCES_TOOLS_NAMESPACE) {
   1413             writeCurrentNode = false;
   1414         } else {
   1415             node.header.type = htods(RES_XML_START_NAMESPACE_TYPE);
   1416             extData = &namespaceExt;
   1417             extSize = sizeof(namespaceExt);
   1418             memset(&namespaceExt, 0, sizeof(namespaceExt));
   1419             if (mNamespacePrefix.size() > 0) {
   1420                 namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
   1421             } else {
   1422                 namespaceExt.prefix.index = htodl((uint32_t)-1);
   1423             }
   1424             namespaceExt.prefix.index = htodl(strings.offsetForString(mNamespacePrefix));
   1425             namespaceExt.uri.index = htodl(strings.offsetForString(mNamespaceUri));
   1426         }
   1427         LOG_ALWAYS_FATAL_IF(NA != 0, "Namespace nodes can't have attributes!");
   1428     } else if (type == TYPE_CDATA) {
   1429         node.header.type = htods(RES_XML_CDATA_TYPE);
   1430         extData = &cdataExt;
   1431         extSize = sizeof(cdataExt);
   1432         memset(&cdataExt, 0, sizeof(cdataExt));
   1433         cdataExt.data.index = htodl(strings.offsetForString(mChars));
   1434         cdataExt.typedData.size = htods(sizeof(cdataExt.typedData));
   1435         cdataExt.typedData.res0 = 0;
   1436         cdataExt.typedData.dataType = mCharsValue.dataType;
   1437         cdataExt.typedData.data = htodl(mCharsValue.data);
   1438         LOG_ALWAYS_FATAL_IF(NA != 0, "CDATA nodes can't have attributes!");
   1439     }
   1440 
   1441     node.header.size = htodl(sizeof(node) + extSize + (sizeof(attr)*NA));
   1442 
   1443     if (writeCurrentNode) {
   1444         dest->writeData(&node, sizeof(node));
   1445         if (extSize > 0) {
   1446             dest->writeData(extData, extSize);
   1447         }
   1448     }
   1449 
   1450     for (i=0; i<NA; i++) {
   1451         ssize_t idx = mAttributeOrder.valueAt(i);
   1452         const attribute_entry& ae = mAttributes.itemAt(idx);
   1453         if (ae.ns.size() > 0) {
   1454             attr.ns.index = htodl(strings.offsetForString(ae.ns));
   1455         } else {
   1456             attr.ns.index = htodl((uint32_t)-1);
   1457         }
   1458         attr.name.index = htodl(ae.namePoolIdx);
   1459 
   1460         if (!stripRawValues || ae.needStringValue()) {
   1461             attr.rawValue.index = htodl(strings.offsetForString(ae.string));
   1462         } else {
   1463             attr.rawValue.index = htodl((uint32_t)-1);
   1464         }
   1465         attr.typedValue.size = htods(sizeof(attr.typedValue));
   1466         if (ae.value.dataType == Res_value::TYPE_NULL
   1467                 || ae.value.dataType == Res_value::TYPE_STRING) {
   1468             attr.typedValue.res0 = 0;
   1469             attr.typedValue.dataType = Res_value::TYPE_STRING;
   1470             attr.typedValue.data = htodl(strings.offsetForString(ae.string));
   1471         } else {
   1472             attr.typedValue.res0 = 0;
   1473             attr.typedValue.dataType = ae.value.dataType;
   1474             attr.typedValue.data = htodl(ae.value.data);
   1475         }
   1476         dest->writeData(&attr, sizeof(attr));
   1477     }
   1478 
   1479     for (i=0; i<NC; i++) {
   1480         status_t err = mChildren.itemAt(i)->flatten_node(strings, dest,
   1481                 stripComments, stripRawValues);
   1482         if (err != NO_ERROR) {
   1483             return err;
   1484         }
   1485     }
   1486 
   1487     if (type == TYPE_ELEMENT) {
   1488         ResXMLTree_endElementExt endElementExt;
   1489         memset(&endElementExt, 0, sizeof(endElementExt));
   1490         node.header.type = htods(RES_XML_END_ELEMENT_TYPE);
   1491         node.header.size = htodl(sizeof(node)+sizeof(endElementExt));
   1492         node.lineNumber = htodl(getEndLineNumber());
   1493         node.comment.index = htodl((uint32_t)-1);
   1494         endElementExt.ns.index = attrExt.ns.index;
   1495         endElementExt.name.index = attrExt.name.index;
   1496         dest->writeData(&node, sizeof(node));
   1497         dest->writeData(&endElementExt, sizeof(endElementExt));
   1498     } else if (type == TYPE_NAMESPACE) {
   1499         if (writeCurrentNode) {
   1500             node.header.type = htods(RES_XML_END_NAMESPACE_TYPE);
   1501             node.lineNumber = htodl(getEndLineNumber());
   1502             node.comment.index = htodl((uint32_t)-1);
   1503             node.header.size = htodl(sizeof(node)+extSize);
   1504             dest->writeData(&node, sizeof(node));
   1505             dest->writeData(extData, extSize);
   1506         }
   1507     }
   1508 
   1509     return NO_ERROR;
   1510 }
   1511