]> git.saurik.com Git - android/aapt.git/blobdiff - ResourceTable.cpp
Add "nodpi" density, and expose a bunch of density-related APIs.
[android/aapt.git] / ResourceTable.cpp
index 6fe196acb515c831098daa395fc556e4f91f55f4..b004664af5ce740d3d973ddbdecbb904bf7e2805 100644 (file)
@@ -23,6 +23,16 @@ status_t compileXmlFile(const sp<AaptAssets>& assets,
     if (root == NULL) {
         return UNKNOWN_ERROR;
     }
+    
+    return compileXmlFile(assets, root, target, table, options);
+}
+
+status_t compileXmlFile(const sp<AaptAssets>& assets,
+                        const sp<XMLNode>& root,
+                        const sp<AaptFile>& target,
+                        ResourceTable* table,
+                        int options)
+{
     if ((options&XML_COMPILE_STRIP_WHITESPACE) != 0) {
         root->removeWhitespace(true, NULL);
     } else  if ((options&XML_COMPILE_COMPACT_WHITESPACE) != 0) {
@@ -115,7 +125,7 @@ static const flag_entry gFormatFlags[] = {
       "a floating point value, such as \"<code>1.2</code>\"."},
     { dimensionArray, sizeof(dimensionArray)/2, ResTable_map::TYPE_DIMENSION,
       "a dimension value, which is a floating point number appended with a unit such as \"<code>14.5sp</code>\".\n"
-      "Available units are: px (pixels), db (density-independent pixels), sp (scaled pixels based on preferred font size),\n"
+      "Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size),\n"
       "in (inches), mm (millimeters)." },
     { fractionArray, sizeof(fractionArray)/2, ResTable_map::TYPE_FRACTION,
       "a fractional value, which is a floating point number appended with either % or %p, such as \"<code>14.5%</code>\".\n"
@@ -546,6 +556,7 @@ status_t parseAndAddBag(Bundle* bundle,
                         const String16& itemIdent,
                         int32_t curFormat,
                         bool pseudolocalize,
+                        const bool overwrite,
                         ResourceTable* outTable)
 {
     status_t err;
@@ -572,7 +583,7 @@ status_t parseAndAddBag(Bundle* bundle,
 
     err = outTable->addBag(SourcePos(in->getPrintableSource(), block->getLineNumber()),
                            myPackage, curType, ident, parentIdent, itemIdent, str,
-                           &spans, &config, false, false, curFormat);
+                           &spans, &config, overwrite, false, curFormat);
     return err;
 }
 
@@ -588,6 +599,7 @@ status_t parseAndAddEntry(Bundle* bundle,
                         bool curIsStyled,
                         int32_t curFormat,
                         bool pseudolocalize,
+                        const bool overwrite,
                         ResourceTable* outTable)
 {
     status_t err;
@@ -610,7 +622,7 @@ status_t parseAndAddEntry(Bundle* bundle,
 
     err = outTable->addEntry(SourcePos(in->getPrintableSource(), block->getLineNumber()),
                              myPackage, curType, ident, str, &spans, &config,
-                             false, curFormat);
+                             false, curFormat, overwrite);
 
     return err;
 }
@@ -619,6 +631,7 @@ status_t compileResourceFile(Bundle* bundle,
                              const sp<AaptAssets>& assets,
                              const sp<AaptFile>& in,
                              const ResTable_config& defParams,
+                             const bool overwrite,
                              ResourceTable* outTable)
 {
     ResXMLTree block;
@@ -638,14 +651,17 @@ status_t compileResourceFile(Bundle* bundle,
     const String16 string16("string");
     const String16 drawable16("drawable");
     const String16 color16("color");
+    const String16 bool16("bool");
     const String16 integer16("integer");
     const String16 dimen16("dimen");
+    const String16 fraction16("fraction");
     const String16 style16("style");
     const String16 plurals16("plurals");
     const String16 array16("array");
     const String16 string_array16("string-array");
     const String16 integer_array16("integer-array");
     const String16 public16("public");
+    const String16 public_padding16("public-padding");
     const String16 private_symbols16("private-symbols");
     const String16 skip16("skip");
     const String16 eat_comment16("eat-comment");
@@ -671,12 +687,16 @@ status_t compileResourceFile(Bundle* bundle,
     const String16 many16("many");
     const String16 quantityMany16("^many");
 
+    // useful attribute names and special values
+    const String16 name16("name");
+    const String16 translatable16("translatable");
+    const String16 false16("false");
 
     const String16 myPackage(assets->getPackage());
 
     bool hasErrors = false;
     
-    uint32_t nextPublicId = 0;
+    DefaultKeyedVector<String16, uint32_t> nextPublicId(0);
 
     ResXMLTree::event_code_t code;
     do {
@@ -709,6 +729,7 @@ status_t compileResourceFile(Bundle* bundle,
             String16 curType;
             int32_t curFormat = ResTable_map::TYPE_ANY;
             bool curIsBag = false;
+            bool curIsBagReplaceOnOverwrite = false;
             bool curIsStyled = false;
             bool curIsPseudolocalizable = false;
             bool localHasErrors = false;
@@ -765,15 +786,15 @@ status_t compileResourceFile(Bundle* bundle,
                         hasErrors = localHasErrors = true;
                     } else {
                         ident = identValue.data;
-                        nextPublicId = ident+1;
+                        nextPublicId.replaceValueFor(type, ident+1);
                     }
-                } else if (nextPublicId == 0) {
+                } else if (nextPublicId.indexOfKey(type) < 0) {
                     srcPos.error("No 'id' attribute supplied <public>,"
                             " and no previous id defined in this file.\n");
                     hasErrors = localHasErrors = true;
                 } else if (!localHasErrors) {
-                    ident = nextPublicId;
-                    nextPublicId++;
+                    ident = nextPublicId.valueFor(type);
+                    nextPublicId.replaceValueFor(type, ident+1);
                 }
 
                 if (!localHasErrors) {
@@ -807,6 +828,116 @@ status_t compileResourceFile(Bundle* bundle,
                 }
                 continue;
 
+            } else if (strcmp16(block.getElementName(&len), public_padding16.string()) == 0) {
+                SourcePos srcPos(in->getPrintableSource(), block.getLineNumber());
+            
+                String16 type;
+                ssize_t typeIdx = block.indexOfAttribute(NULL, "type");
+                if (typeIdx < 0) {
+                    srcPos.error("A 'type' attribute is required for <public-padding>\n");
+                    hasErrors = localHasErrors = true;
+                }
+                type = String16(block.getAttributeStringValue(typeIdx, &len));
+
+                String16 name;
+                ssize_t nameIdx = block.indexOfAttribute(NULL, "name");
+                if (nameIdx < 0) {
+                    srcPos.error("A 'name' attribute is required for <public-padding>\n");
+                    hasErrors = localHasErrors = true;
+                }
+                name = String16(block.getAttributeStringValue(nameIdx, &len));
+
+                uint32_t start = 0;
+                ssize_t startIdx = block.indexOfAttribute(NULL, "start");
+                if (startIdx >= 0) {
+                    const char16_t* startStr = block.getAttributeStringValue(startIdx, &len);
+                    Res_value startValue;
+                    if (!ResTable::stringToInt(startStr, len, &startValue)) {
+                        srcPos.error("Given 'start' attribute is not an integer: %s\n",
+                                String8(block.getAttributeStringValue(startIdx, &len)).string());
+                        hasErrors = localHasErrors = true;
+                    } else {
+                        start = startValue.data;
+                    }
+                } else if (nextPublicId.indexOfKey(type) < 0) {
+                    srcPos.error("No 'start' attribute supplied <public-padding>,"
+                            " and no previous id defined in this file.\n");
+                    hasErrors = localHasErrors = true;
+                } else if (!localHasErrors) {
+                    start = nextPublicId.valueFor(type);
+                }
+
+                uint32_t end = 0;
+                ssize_t endIdx = block.indexOfAttribute(NULL, "end");
+                if (endIdx >= 0) {
+                    const char16_t* endStr = block.getAttributeStringValue(endIdx, &len);
+                    Res_value endValue;
+                    if (!ResTable::stringToInt(endStr, len, &endValue)) {
+                        srcPos.error("Given 'end' attribute is not an integer: %s\n",
+                                String8(block.getAttributeStringValue(endIdx, &len)).string());
+                        hasErrors = localHasErrors = true;
+                    } else {
+                        end = endValue.data;
+                    }
+                } else {
+                    srcPos.error("No 'end' attribute supplied <public-padding>\n");
+                    hasErrors = localHasErrors = true;
+                }
+
+                if (end >= start) {
+                    nextPublicId.replaceValueFor(type, end+1);
+                } else {
+                    srcPos.error("Padding start '%ul' is after end '%ul'\n",
+                            start, end);
+                    hasErrors = localHasErrors = true;
+                }
+                
+                String16 comment(
+                    block.getComment(&len) ? block.getComment(&len) : nulStr);
+                for (uint32_t curIdent=start; curIdent<=end; curIdent++) {
+                    if (localHasErrors) {
+                        break;
+                    }
+                    String16 curName(name);
+                    char buf[64];
+                    sprintf(buf, "%d", (int)(end-curIdent+1));
+                    curName.append(String16(buf));
+                    
+                    err = outTable->addEntry(srcPos, myPackage, type, curName,
+                                             String16("padding"), NULL, &curParams, false,
+                                             ResTable_map::TYPE_STRING, overwrite);
+                    if (err < NO_ERROR) {
+                        hasErrors = localHasErrors = true;
+                        break;
+                    }
+                    err = outTable->addPublic(srcPos, myPackage, type,
+                            curName, curIdent);
+                    if (err < NO_ERROR) {
+                        hasErrors = localHasErrors = true;
+                        break;
+                    }
+                    sp<AaptSymbols> symbols = assets->getSymbolsFor(String8("R"));
+                    if (symbols != NULL) {
+                        symbols = symbols->addNestedSymbol(String8(type), srcPos);
+                    }
+                    if (symbols != NULL) {
+                        symbols->makeSymbolPublic(String8(curName), srcPos);
+                        symbols->appendComment(String8(curName), comment, srcPos);
+                    } else {
+                        srcPos.error("Unable to create symbols!\n");
+                        hasErrors = localHasErrors = true;
+                    }
+                }
+
+                while ((code=block.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
+                    if (code == ResXMLTree::END_TAG) {
+                        if (strcmp16(block.getElementName(&len), public_padding16.string()) == 0) {
+                            break;
+                        }
+                    }
+                }
+                continue;
+
             } else if (strcmp16(block.getElementName(&len), private_symbols16.string()) == 0) {
                 String16 pkg;
                 ssize_t pkgIdx = block.indexOfAttribute(NULL, "package");
@@ -950,6 +1081,45 @@ status_t compileResourceFile(Bundle* bundle,
                 }
                 curIsStyled = true;
             } else if (strcmp16(block.getElementName(&len), string16.string()) == 0) {
+                // Note the existence and locale of every string we process
+                char rawLocale[16];
+                curParams.getLocale(rawLocale);
+                String8 locale(rawLocale);
+                String16 name;
+                String16 translatable;
+
+                size_t n = block.getAttributeCount();
+                for (size_t i = 0; i < n; i++) {
+                    size_t length;
+                    const uint16_t* attr = block.getAttributeName(i, &length);
+                    if (strcmp16(attr, name16.string()) == 0) {
+                        name.setTo(block.getAttributeStringValue(i, &length));
+                    } else if (strcmp16(attr, translatable16.string()) == 0) {
+                        translatable.setTo(block.getAttributeStringValue(i, &length));
+                    }
+                }
+                
+                if (name.size() > 0) {
+                    if (translatable == false16) {
+                        // Untranslatable strings must only exist in the default [empty] locale
+                        if (locale.size() > 0) {
+                            fprintf(stderr, "aapt: warning: string '%s' in %s marked untranslatable but exists"
+                                    " in locale '%s'\n", String8(name).string(),
+                                    bundle->getResourceSourceDirs()[0],
+                                    locale.string());
+                            // hasErrors = localHasErrors = true;
+                        } else {
+                            // Intentionally empty block:
+                            //
+                            // Don't add untranslatable strings to the localization table; that
+                            // way if we later see localizations of them, they'll be flagged as
+                            // having no default translation.
+                        }
+                    } else {
+                        outTable->addLocalization(name, locale);
+                    }
+                }
+
                 curTag = &string16;
                 curType = string16;
                 curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_STRING;
@@ -963,6 +1133,10 @@ status_t compileResourceFile(Bundle* bundle,
                 curTag = &color16;
                 curType = color16;
                 curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_COLOR;
+            } else if (strcmp16(block.getElementName(&len), bool16.string()) == 0) {
+                curTag = &bool16;
+                curType = bool16;
+                curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_BOOLEAN;
             } else if (strcmp16(block.getElementName(&len), integer16.string()) == 0) {
                 curTag = &integer16;
                 curType = integer16;
@@ -971,6 +1145,10 @@ status_t compileResourceFile(Bundle* bundle,
                 curTag = &dimen16;
                 curType = dimen16;
                 curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_DIMENSION;
+            } else if (strcmp16(block.getElementName(&len), fraction16.string()) == 0) {
+                curTag = &fraction16;
+                curType = fraction16;
+                curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_FRACTION;
             } else if (strcmp16(block.getElementName(&len), bag16.string()) == 0) {
                 curTag = &bag16;
                 curIsBag = true;
@@ -994,6 +1172,7 @@ status_t compileResourceFile(Bundle* bundle,
                 curTag = &array16;
                 curType = array16;
                 curIsBag = true;
+                curIsBagReplaceOnOverwrite = true;
                 ssize_t formatIdx = block.indexOfAttribute(NULL, "format");
                 if (formatIdx >= 0) {
                     String16 formatStr = String16(block.getAttributeStringValue(
@@ -1012,12 +1191,14 @@ status_t compileResourceFile(Bundle* bundle,
                 curType = array16;
                 curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_STRING;
                 curIsBag = true;
+                curIsBagReplaceOnOverwrite = true;
                 curIsPseudolocalizable = true;
             } else if (strcmp16(block.getElementName(&len), integer_array16.string()) == 0) {
                 curTag = &integer_array16;
                 curType = array16;
                 curFormat = ResTable_map::TYPE_REFERENCE|ResTable_map::TYPE_INTEGER;
                 curIsBag = true;
+                curIsBagReplaceOnOverwrite = true;
             } else {
                 SourcePos(in->getPrintableSource(), block.getLineNumber()).error(
                         "Found tag %s where item is expected\n",
@@ -1052,8 +1233,10 @@ status_t compileResourceFile(Bundle* bundle,
                 }
 
                 if (!localHasErrors) {
-                    err = outTable->startBag(SourcePos(in->getPrintableSource(), block.getLineNumber()),
-                                             myPackage, curType, ident, parentIdent, &curParams);
+                    err = outTable->startBag(SourcePos(in->getPrintableSource(),
+                            block.getLineNumber()), myPackage, curType, ident,
+                            parentIdent, &curParams,
+                            overwrite, curIsBagReplaceOnOverwrite);
                     if (err != NO_ERROR) {
                         hasErrors = localHasErrors = true;
                     }
@@ -1124,7 +1307,8 @@ status_t compileResourceFile(Bundle* bundle,
                         block.getPosition(&parserPosition);
 
                         err = parseAndAddBag(bundle, in, &block, curParams, myPackage, curType,
-                                ident, parentIdent, itemIdent, curFormat, false, outTable);
+                                ident, parentIdent, itemIdent, curFormat, 
+                                false, overwrite, outTable);
                         if (err == NO_ERROR) {
                             if (curIsPseudolocalizable && localeIsDefined(curParams)
                                     && bundle->getPseudolocalize()) {
@@ -1133,7 +1317,7 @@ status_t compileResourceFile(Bundle* bundle,
                                 block.setPosition(parserPosition);
                                 err = parseAndAddBag(bundle, in, &block, pseudoParams, myPackage,
                                         curType, ident, parentIdent, itemIdent, curFormat, true,
-                                        outTable);
+                                        overwrite, outTable);
 #endif
                             }
                         } 
@@ -1156,7 +1340,7 @@ status_t compileResourceFile(Bundle* bundle,
                 block.getPosition(&parserPosition);
 
                 err = parseAndAddEntry(bundle, in, &block, curParams, myPackage, curType, ident,
-                        *curTag, curIsStyled, curFormat, false, outTable);
+                        *curTag, curIsStyled, curFormat, false, overwrite, outTable);
 
                 if (err < NO_ERROR) { // Why err < NO_ERROR instead of err != NO_ERROR?
                     hasErrors = localHasErrors = true;
@@ -1167,7 +1351,7 @@ status_t compileResourceFile(Bundle* bundle,
                         // pseudolocalize here
                         block.setPosition(parserPosition);
                         err = parseAndAddEntry(bundle, in, &block, pseudoParams, myPackage, curType,
-                                ident, *curTag, curIsStyled, curFormat, true, outTable);
+                                ident, *curTag, curIsStyled, curFormat, true, overwrite, outTable);
                         if (err != NO_ERROR) {
                             hasErrors = localHasErrors = true;
                         }
@@ -1249,7 +1433,7 @@ status_t ResourceTable::addIncludedResources(Bundle* bundle, const sp<AaptAssets
             } else if (id != 0) {
                 if (id == 127) {
                     if (mHaveAppPackage) {
-                        fprintf(stderr, "Included resource have two application packages!\n");
+                        fprintf(stderr, "Included resources have two application packages!\n");
                         return UNKNOWN_ERROR;
                     }
                     mHaveAppPackage = true;
@@ -1312,7 +1496,8 @@ status_t ResourceTable::addEntry(const SourcePos& sourcePos,
                                  const Vector<StringPool::entry_style_span>* style,
                                  const ResTable_config* params,
                                  const bool doSetIndex,
-                                 const int32_t format)
+                                 const int32_t format,
+                                 const bool overwrite)
 {
     // Check for adding entries in other packages...  for now we do
     // nothing.  We need to do the right thing here to support skinning.
@@ -1331,12 +1516,13 @@ status_t ResourceTable::addEntry(const SourcePos& sourcePos,
                String8(value).string());
     }
 #endif
-    
-    sp<Entry> e = getEntry(package, type, name, sourcePos, params, doSetIndex);
+
+    sp<Entry> e = getEntry(package, type, name, sourcePos, overwrite,
+                           params, doSetIndex);
     if (e == NULL) {
         return UNKNOWN_ERROR;
     }
-    status_t err = e->setItem(sourcePos, value, style, format);
+    status_t err = e->setItem(sourcePos, value, style, format, overwrite);
     if (err == NO_ERROR) {
         mNumLocal++;
     }
@@ -1349,8 +1535,11 @@ status_t ResourceTable::startBag(const SourcePos& sourcePos,
                                  const String16& name,
                                  const String16& bagParent,
                                  const ResTable_config* params,
+                                 bool overlay,
                                  bool replace, bool isId)
 {
+    status_t result = NO_ERROR;
+
     // Check for adding entries in other packages...  for now we do
     // nothing.  We need to do the right thing here to support skinning.
     uint32_t rid = mAssets->getIncludedResources()
@@ -1367,8 +1556,12 @@ status_t ResourceTable::startBag(const SourcePos& sourcePos,
                sourcePos.file.striing(), sourcePos.line, String8(type).string());
     }
 #endif
-    
-    sp<Entry> e = getEntry(package, type, name, sourcePos, params);
+    if (overlay && !hasBagOrEntry(package, type, name)) {
+        sourcePos.error("Can't add new bags in an overlay.  See '%s'\n",
+                        String8(name).string());
+        return UNKNOWN_ERROR;
+    }
+    sp<Entry> e = getEntry(package, type, name, sourcePos, overlay, params);
     if (e == NULL) {
         return UNKNOWN_ERROR;
     }
@@ -1384,8 +1577,15 @@ status_t ResourceTable::startBag(const SourcePos& sourcePos,
         }
         e->setParent(bagParent);
     }
-    
-    return e->makeItABag(sourcePos);
+
+    if ((result = e->makeItABag(sourcePos)) != NO_ERROR) {
+        return result;
+    }
+
+    if (overlay && replace) { 
+        return e->emptyBag(sourcePos);
+    }
+    return result;
 }
 
 status_t ResourceTable::addBag(const SourcePos& sourcePos,
@@ -1415,8 +1615,7 @@ status_t ResourceTable::addBag(const SourcePos& sourcePos,
                sourcePos.file.striing(), sourcePos.line, String8(type).string());
     }
 #endif
-    
-    sp<Entry> e = getEntry(package, type, name, sourcePos, params);
+    sp<Entry> e = getEntry(package, type, name, sourcePos, replace, params);
     if (e == NULL) {
         return UNKNOWN_ERROR;
     }
@@ -1553,17 +1752,26 @@ inline uint32_t ResourceTable::getResId(const sp<Package>& p,
 
 uint32_t ResourceTable::getResId(const String16& package,
                                  const String16& type,
-                                 const String16& name) const
+                                 const String16& name,
+                                 bool onlyPublic) const
 {
     sp<Package> p = mPackages.valueFor(package);
     if (p == NULL) return 0;
 
     // First look for this in the included resources...
+    uint32_t specFlags = 0;
     uint32_t rid = mAssets->getIncludedResources()
         .identifierForName(name.string(), name.size(),
                            type.string(), type.size(),
-                           package.string(), package.size());
+                           package.string(), package.size(),
+                           &specFlags);
     if (rid != 0) {
+        if (onlyPublic) {
+            if ((specFlags & ResTable_typeSpec::SPEC_PUBLIC) == 0) {
+                return 0;
+            }
+        }
+        
         if (Res_INTERNALID(rid)) {
             return rid;
         }
@@ -1584,7 +1792,8 @@ uint32_t ResourceTable::getResId(const String16& package,
 uint32_t ResourceTable::getResId(const String16& ref,
                                  const String16* defType,
                                  const String16* defPackage,
-                                 const char** outErrorMsg) const
+                                 const char** outErrorMsg,
+                                 bool onlyPublic) const
 {
     String16 package, type, name;
     if (!ResTable::expandResourceRef(
@@ -1603,7 +1812,7 @@ uint32_t ResourceTable::getResId(const String16& ref,
                      String8(name).string()));
         return 0;
     }
-    uint32_t res = getResId(package, type, name);
+    uint32_t res = getResId(package, type, name, onlyPublic);
     NOISY(printf("Expanded resource: p=%s, t=%s, n=%s, res=%d\n",
                  String8(package).string(), String8(type).string(),
                  String8(name).string(), res));
@@ -2036,6 +2245,92 @@ status_t ResourceTable::addSymbols(const sp<AaptSymbols>& outSymbols) {
 }
 
 
+void
+ResourceTable::addLocalization(const String16& name, const String8& locale)
+{
+    mLocalizations[name].insert(locale);
+}
+
+
+/*!
+ * Flag various sorts of localization problems.  '+' indicates checks already implemented;
+ * '-' indicates checks that will be implemented in the future.
+ *
+ * + A localized string for which no default-locale version exists => warning
+ * + A string for which no version in an explicitly-requested locale exists => warning
+ * + A localized translation of an translateable="false" string => warning
+ * - A localized string not provided in every locale used by the table
+ */
+status_t
+ResourceTable::validateLocalizations(void)
+{
+    status_t err = NO_ERROR;
+    const String8 defaultLocale;
+
+    // For all strings...
+    for (map<String16, set<String8> >::iterator nameIter = mLocalizations.begin();
+         nameIter != mLocalizations.end();
+         nameIter++) {
+        const set<String8>& configSet = nameIter->second;   // naming convenience
+
+        // Look for strings with no default localization
+        if (configSet.count(defaultLocale) == 0) {
+            fprintf(stdout, "aapt: warning: string '%s' has no default translation in %s; found:",
+                    String8(nameIter->first).string(), mBundle->getResourceSourceDirs()[0]);
+            for (set<String8>::iterator locales = configSet.begin();
+                 locales != configSet.end();
+                 locales++) {
+                fprintf(stdout, " %s", (*locales).string());
+            }
+            fprintf(stdout, "\n");
+            // !!! TODO: throw an error here in some circumstances
+        }
+
+        // Check that all requested localizations are present for this string
+        if (mBundle->getConfigurations() != NULL && mBundle->getRequireLocalization()) {
+            const char* allConfigs = mBundle->getConfigurations();
+            const char* start = allConfigs;
+            const char* comma;
+            
+            do {
+                String8 config;
+                comma = strchr(start, ',');
+                if (comma != NULL) {
+                    config.setTo(start, comma - start);
+                    start = comma + 1;
+                } else {
+                    config.setTo(start);
+                }
+
+                // don't bother with the pseudolocale "zz_ZZ"
+                if (config != "zz_ZZ") {
+                    if (configSet.find(config) == configSet.end()) {
+                        // okay, no specific localization found.  it's possible that we are
+                        // requiring a specific regional localization [e.g. de_DE] but there is an
+                        // available string in the generic language localization [e.g. de];
+                        // consider that string to have fulfilled the localization requirement.
+                        String8 region(config.string(), 2);
+                        if (configSet.find(region) == configSet.end()) {
+                            if (configSet.count(defaultLocale) == 0) {
+                                fprintf(stdout, "aapt: error: "
+                                        "*** string '%s' has no default or required localization "
+                                        "for '%s' in %s\n",
+                                        String8(nameIter->first).string(),
+                                        config.string(),
+                                        mBundle->getResourceSourceDirs()[0]);
+                                err = UNKNOWN_ERROR;
+                            }
+                        }
+                    }
+                }
+           } while (comma != NULL);
+        }
+    }
+
+    return err;
+}
+
+
 status_t
 ResourceFilter::parse(const char* arg)
 {
@@ -2187,6 +2482,10 @@ status_t ResourceTable::flatten(Bundle* bundle, const sp<AaptFile>& dest)
                 }
                 const size_t N = c->getEntries().size();
                 for (size_t ei=0; ei<N; ei++) {
+                    ConfigDescription config = c->getEntries().keyAt(ei);
+                    if (!filter.match(config)) {
+                        continue;
+                    }
                     sp<Entry> e = c->getEntries().valueAt(ei);
                     if (e == NULL) {
                         continue;
@@ -2579,7 +2878,8 @@ status_t ResourceTable::Entry::makeItABag(const SourcePos& sourcePos)
 status_t ResourceTable::Entry::setItem(const SourcePos& sourcePos,
                                        const String16& value,
                                        const Vector<StringPool::entry_style_span>* style,
-                                       int32_t format)
+                                       int32_t format,
+                                       const bool overwrite)
 {
     Item item(sourcePos, false, value, style);
 
@@ -2591,14 +2891,14 @@ status_t ResourceTable::Entry::setItem(const SourcePos& sourcePos,
                         item.sourcePos.file.string(), item.sourcePos.line);
         return UNKNOWN_ERROR;
     }
-    if (mType != TYPE_UNKNOWN) {
+    if ( (mType != TYPE_UNKNOWN) && (overwrite == false) ) {
         sourcePos.error("Resource entry %s is already defined.\n"
                         "%s:%d: Originally defined here.\n",
                         String8(mName).string(),
                         mItem.sourcePos.file.string(), mItem.sourcePos.line);
         return UNKNOWN_ERROR;
     }
-    
+
     mType = TYPE_ITEM;
     mItem = item;
     mItemFormat = format;
@@ -2639,6 +2939,17 @@ status_t ResourceTable::Entry::addToBag(const SourcePos& sourcePos,
     return NO_ERROR;
 }
 
+status_t ResourceTable::Entry::emptyBag(const SourcePos& sourcePos)
+{
+    status_t err = makeItABag(sourcePos);
+    if (err != NO_ERROR) {
+        return err;
+    }
+
+    mBag.clear();
+    return NO_ERROR;
+}
+
 status_t ResourceTable::Entry::generateAttributes(ResourceTable* table,
                                                   const String16& package)
 {
@@ -2907,11 +3218,17 @@ status_t ResourceTable::Type::addPublic(const SourcePos& sourcePos,
 sp<ResourceTable::Entry> ResourceTable::Type::getEntry(const String16& entry,
                                                        const SourcePos& sourcePos,
                                                        const ResTable_config* config,
-                                                       bool doSetIndex)
+                                                       bool doSetIndex,
+                                                       bool overlay)
 {
     int pos = -1;
     sp<ConfigList> c = mConfigs.valueFor(entry);
     if (c == NULL) {
+        if (overlay == true) {
+            sourcePos.error("Resource %s appears in overlay but not"
+                            " in the base package.\n", String8(entry).string());
+            return NULL;
+        }
         c = new ConfigList(entry, sourcePos);
         mConfigs.add(entry, c);
         pos = (int)mOrderedConfigs.size();
@@ -3210,6 +3527,7 @@ sp<ResourceTable::Entry> ResourceTable::getEntry(const String16& package,
                                                  const String16& type,
                                                  const String16& name,
                                                  const SourcePos& sourcePos,
+                                                 bool overlay,
                                                  const ResTable_config* config,
                                                  bool doSetIndex)
 {
@@ -3217,7 +3535,7 @@ sp<ResourceTable::Entry> ResourceTable::getEntry(const String16& package,
     if (t == NULL) {
         return NULL;
     }
-    return t->getEntry(name, sourcePos, config, doSetIndex);
+    return t->getEntry(name, sourcePos, config, doSetIndex, overlay);
 }
 
 sp<const ResourceTable::Entry> ResourceTable::getEntry(uint32_t resID,
@@ -3330,4 +3648,3 @@ bool ResourceTable::getItemValue(
     }
     return res;
 }
-