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1 //
2 // Copyright 2006 The Android Open Source Project
3 //
4 // Build resource files from raw assets.
5 //
6 
7 #ifndef RESOURCE_TABLE_H
8 #define RESOURCE_TABLE_H
9 
10 #include <map>
11 #include <queue>
12 #include <set>
13 
14 #include "ConfigDescription.h"
15 #include "ResourceFilter.h"
16 #include "SourcePos.h"
17 #include "StringPool.h"
18 #include "Symbol.h"
19 
20 class XMLNode;
21 class ResourceTable;
22 
23 enum {
24     XML_COMPILE_STRIP_COMMENTS = 1<<0,
25     XML_COMPILE_ASSIGN_ATTRIBUTE_IDS = 1<<1,
26     XML_COMPILE_PARSE_VALUES = 1 << 2,
27     XML_COMPILE_COMPACT_WHITESPACE = 1<<3,
28     XML_COMPILE_STRIP_WHITESPACE = 1<<4,
29     XML_COMPILE_STRIP_RAW_VALUES = 1<<5,
30     XML_COMPILE_UTF8 = 1<<6,
31 
32     XML_COMPILE_STANDARD_RESOURCE =
33             XML_COMPILE_STRIP_COMMENTS | XML_COMPILE_ASSIGN_ATTRIBUTE_IDS | XML_COMPILE_PARSE_VALUES
34             | XML_COMPILE_STRIP_WHITESPACE | XML_COMPILE_STRIP_RAW_VALUES
35 };
36 
37 status_t compileXmlFile(const Bundle* bundle,
38                         const sp<AaptAssets>& assets,
39                         const String16& resourceName,
40                         const sp<AaptFile>& target,
41                         ResourceTable* table,
42                         int options = XML_COMPILE_STANDARD_RESOURCE);
43 
44 status_t compileXmlFile(const Bundle* bundle,
45                         const sp<AaptAssets>& assets,
46                         const String16& resourceName,
47                         const sp<AaptFile>& target,
48                         const sp<AaptFile>& outTarget,
49                         ResourceTable* table,
50                         int options = XML_COMPILE_STANDARD_RESOURCE);
51 
52 status_t compileXmlFile(const Bundle* bundle,
53                         const sp<AaptAssets>& assets,
54                         const String16& resourceName,
55                         const sp<XMLNode>& xmlTree,
56                         const sp<AaptFile>& target,
57                         ResourceTable* table,
58                         int options = XML_COMPILE_STANDARD_RESOURCE);
59 
60 status_t compileResourceFile(Bundle* bundle,
61                              const sp<AaptAssets>& assets,
62                              const sp<AaptFile>& in,
63                              const ResTable_config& defParams,
64                              const bool overwrite,
65                              ResourceTable* outTable);
66 
67 struct AccessorCookie
68 {
69     SourcePos sourcePos;
70     String8 attr;
71     String8 value;
72 
AccessorCookieAccessorCookie73     AccessorCookie(const SourcePos&p, const String8& a, const String8& v)
74         :sourcePos(p),
75          attr(a),
76          value(v)
77     {
78     }
79 };
80 
81 // Holds the necessary information to compile the
82 // resource.
83 struct CompileResourceWorkItem {
84     String16 resourceName;
85     String8 resPath;
86     sp<AaptFile> file;
87     sp<XMLNode> xmlRoot;
88     bool needsCompiling = true;
89 };
90 
91 class ResourceTable : public ResTable::Accessor
92 {
93 public:
94     // The type of package to build.
95     enum PackageType {
96         App,
97         System,
98         SharedLibrary,
99         AppFeature
100     };
101 
102     class Package;
103     class Type;
104     class Entry;
105     class ConfigList;
106 
107     /**
108      * Exposed for testing. Determines whether a versioned resource should be generated
109      * based on the other available configurations for that resource.
110      */
111     static bool shouldGenerateVersionedResource(const sp<ConfigList>& configList,
112                                                 const ConfigDescription& sourceConfig,
113                                                 const int sdkVersionToGenerate);
114 
115     ResourceTable(Bundle* bundle, const String16& assetsPackage, PackageType type);
116 
getAssetsPackage()117     const String16& getAssetsPackage() const {
118         return mAssetsPackage;
119     }
120 
121     /**
122      * Returns the queue of resources that need to be compiled.
123      * This is only used for resources that have been generated
124      * during the compilation phase. If they were just added
125      * to the AaptAssets, then they may be skipped over
126      * and would mess up iteration order for the existing
127      * resources.
128      */
getWorkQueue()129     std::queue<CompileResourceWorkItem>& getWorkQueue() {
130         return mWorkQueue;
131     }
132 
133     status_t addIncludedResources(Bundle* bundle, const sp<AaptAssets>& assets);
134 
135     status_t addPublic(const SourcePos& pos,
136                        const String16& package,
137                        const String16& type,
138                        const String16& name,
139                        const uint32_t ident);
140 
141     status_t addEntry(const SourcePos& pos,
142                       const String16& package,
143                       const String16& type,
144                       const String16& name,
145                       const String16& value,
146                       const Vector<StringPool::entry_style_span>* style = NULL,
147                       const ResTable_config* params = NULL,
148                       const bool doSetIndex = false,
149                       const int32_t format = ResTable_map::TYPE_ANY,
150                       const bool overwrite = false);
151 
152     status_t startBag(const SourcePos& pos,
153                     const String16& package,
154                     const String16& type,
155                     const String16& name,
156                     const String16& bagParent,
157                     const ResTable_config* params = NULL,
158                     bool overlay = false,
159                     bool replace = false,
160                     bool isId = false);
161 
162     status_t addBag(const SourcePos& pos,
163                     const String16& package,
164                     const String16& type,
165                     const String16& name,
166                     const String16& bagParent,
167                     const String16& bagKey,
168                     const String16& value,
169                     const Vector<StringPool::entry_style_span>* style = NULL,
170                     const ResTable_config* params = NULL,
171                     bool replace = false,
172                     bool isId = false,
173                     const int32_t format = ResTable_map::TYPE_ANY);
174 
175     bool hasBagOrEntry(const String16& package,
176                        const String16& type,
177                        const String16& name) const;
178 
179     bool hasBagOrEntry(const String16& package,
180                        const String16& type,
181                        const String16& name,
182                        const ResTable_config& config) const;
183 
184     bool hasBagOrEntry(const String16& ref,
185                        const String16* defType = NULL,
186                        const String16* defPackage = NULL);
187 
188     bool appendComment(const String16& package,
189                        const String16& type,
190                        const String16& name,
191                        const String16& comment,
192                        bool onlyIfEmpty = false);
193 
194     bool appendTypeComment(const String16& package,
195                            const String16& type,
196                            const String16& name,
197                            const String16& comment);
198 
199     void canAddEntry(const SourcePos& pos,
200         const String16& package, const String16& type, const String16& name);
201 
202     size_t size() const;
203     size_t numLocalResources() const;
204     bool hasResources() const;
205 
206     status_t modifyForCompat(const Bundle* bundle);
207     status_t modifyForCompat(const Bundle* bundle,
208                              const String16& resourceName,
209                              const sp<AaptFile>& file,
210                              const sp<XMLNode>& root);
211 
212     status_t processBundleFormat(const Bundle* bundle,
213                                  const String16& resourceName,
214                                  const sp<AaptFile>& file,
215                                  const sp<XMLNode>& parent);
216 
217 
218     sp<AaptFile> flatten(Bundle* bundle, const sp<const ResourceFilter>& filter,
219             const bool isBase);
220 
makeResId(uint32_t packageId,uint32_t typeId,uint32_t nameId)221     static inline uint32_t makeResId(uint32_t packageId,
222                                      uint32_t typeId,
223                                      uint32_t nameId)
224     {
225         return nameId | (typeId<<16) | (packageId<<24);
226     }
227 
228     static inline uint32_t getResId(const sp<Package>& p,
229                                     const sp<Type>& t,
230                                     uint32_t nameId);
231 
232     uint32_t getResId(const String16& package,
233                       const String16& type,
234                       const String16& name,
235                       bool onlyPublic = true) const;
236 
237     uint32_t getResId(const String16& ref,
238                       const String16* defType = NULL,
239                       const String16* defPackage = NULL,
240                       const char** outErrorMsg = NULL,
241                       bool onlyPublic = true) const;
242 
243     static bool isValidResourceName(const String16& s);
244 
245     bool stringToValue(Res_value* outValue, StringPool* pool,
246                        const String16& str,
247                        bool preserveSpaces, bool coerceType,
248                        uint32_t attrID,
249                        const Vector<StringPool::entry_style_span>* style = NULL,
250                        String16* outStr = NULL, void* accessorCookie = NULL,
251                        uint32_t attrType = ResTable_map::TYPE_ANY,
252                        const String8* configTypeName = NULL,
253                        const ConfigDescription* config = NULL);
254 
255     status_t assignResourceIds();
256     status_t addSymbols(const sp<AaptSymbols>& outSymbols = NULL,
257                         bool skipSymbolsWithoutDefaultLocalization = false);
258     void addLocalization(const String16& name, const String8& locale, const SourcePos& src);
259     void addDefaultLocalization(const String16& name);
260     status_t validateLocalizations(void);
261 
262     status_t flatten(Bundle* bundle, const sp<const ResourceFilter>& filter,
263             const sp<AaptFile>& dest, const bool isBase);
264     status_t flattenLibraryTable(const sp<AaptFile>& dest, const Vector<sp<Package> >& libs);
265 
266     void writePublicDefinitions(const String16& package, FILE* fp);
267 
268     virtual uint32_t getCustomResource(const String16& package,
269                                        const String16& type,
270                                        const String16& name) const;
271     virtual uint32_t getCustomResourceWithCreation(const String16& package,
272                                                    const String16& type,
273                                                    const String16& name,
274                                                    const bool createIfNeeded);
275     virtual uint32_t getRemappedPackage(uint32_t origPackage) const;
276     virtual bool getAttributeType(uint32_t attrID, uint32_t* outType);
277     virtual bool getAttributeMin(uint32_t attrID, uint32_t* outMin);
278     virtual bool getAttributeMax(uint32_t attrID, uint32_t* outMax);
279     virtual bool getAttributeKeys(uint32_t attrID, Vector<String16>* outKeys);
280     virtual bool getAttributeEnum(uint32_t attrID,
281                                   const char16_t* name, size_t nameLen,
282                                   Res_value* outValue);
283     virtual bool getAttributeFlags(uint32_t attrID,
284                                    const char16_t* name, size_t nameLen,
285                                    Res_value* outValue);
286     virtual uint32_t getAttributeL10N(uint32_t attrID);
287 
288     virtual bool getLocalizationSetting();
289     virtual void reportError(void* accessorCookie, const char* fmt, ...);
290 
setCurrentXmlPos(const SourcePos & pos)291     void setCurrentXmlPos(const SourcePos& pos) { mCurrentXmlPos = pos; }
292 
293     class Item {
294     public:
Item()295         Item() : isId(false), format(ResTable_map::TYPE_ANY), bagKeyId(0), evaluating(false)
296             { memset(&parsedValue, 0, sizeof(parsedValue)); }
297         Item(const SourcePos& pos,
298              bool _isId,
299              const String16& _value,
300              const Vector<StringPool::entry_style_span>* _style = NULL,
301              int32_t format = ResTable_map::TYPE_ANY);
Item(const Item & o)302         Item(const Item& o) : sourcePos(o.sourcePos),
303             isId(o.isId), value(o.value), style(o.style),
304             format(o.format), bagKeyId(o.bagKeyId), evaluating(false) {
305             memset(&parsedValue, 0, sizeof(parsedValue));
306         }
~Item()307         ~Item() { }
308 
309         Item& operator=(const Item& o) {
310             sourcePos = o.sourcePos;
311             isId = o.isId;
312             value = o.value;
313             style = o.style;
314             format = o.format;
315             bagKeyId = o.bagKeyId;
316             parsedValue = o.parsedValue;
317             return *this;
318         }
319 
320         SourcePos                               sourcePos;
321         mutable bool                            isId;
322         String16                                value;
323         Vector<StringPool::entry_style_span>    style;
324         int32_t                                 format;
325         uint32_t                                bagKeyId;
326         mutable bool                            evaluating;
327         Res_value                               parsedValue;
328     };
329 
330     class Entry : public RefBase {
331     public:
Entry(const String16 & name,const SourcePos & pos)332         Entry(const String16& name, const SourcePos& pos)
333             : mName(name), mType(TYPE_UNKNOWN),
334               mItemFormat(ResTable_map::TYPE_ANY), mNameIndex(-1), mPos(pos)
335         { }
336 
337         Entry(const Entry& entry);
338         Entry& operator=(const Entry& entry);
339 
~Entry()340         virtual ~Entry() { }
341 
342         enum type {
343             TYPE_UNKNOWN = 0,
344             TYPE_ITEM,
345             TYPE_BAG
346         };
347 
getName()348         String16 getName() const { return mName; }
getType()349         type getType() const { return mType; }
350 
setParent(const String16 & parent)351         void setParent(const String16& parent) { mParent = parent; }
getParent()352         String16 getParent() const { return mParent; }
353 
354         status_t makeItABag(const SourcePos& sourcePos);
355 
356         status_t emptyBag(const SourcePos& sourcePos);
357 
358         status_t setItem(const SourcePos& pos,
359                          const String16& value,
360                          const Vector<StringPool::entry_style_span>* style = NULL,
361                          int32_t format = ResTable_map::TYPE_ANY,
362                          const bool overwrite = false);
363 
364         status_t addToBag(const SourcePos& pos,
365                           const String16& key, const String16& value,
366                           const Vector<StringPool::entry_style_span>* style = NULL,
367                           bool replace=false, bool isId = false,
368                           int32_t format = ResTable_map::TYPE_ANY);
369 
370         status_t removeFromBag(const String16& key);
371 
372         // Index of the entry's name string in the key pool.
getNameIndex()373         int32_t getNameIndex() const { return mNameIndex; }
setNameIndex(int32_t index)374         void setNameIndex(int32_t index) { mNameIndex = index; }
375 
getItem()376         const Item* getItem() const { return mType == TYPE_ITEM ? &mItem : NULL; }
getBag()377         const KeyedVector<String16, Item>& getBag() const { return mBag; }
378 
379         status_t generateAttributes(ResourceTable* table,
380                                     const String16& package);
381 
382         status_t assignResourceIds(ResourceTable* table,
383                                    const String16& package);
384 
385         status_t prepareFlatten(StringPool* strings, ResourceTable* table,
386                const String8* configTypeName, const ConfigDescription* config);
387 
388         status_t remapStringValue(StringPool* strings);
389 
390         ssize_t flatten(Bundle*, const sp<AaptFile>& data, bool isPublic);
391 
getPos()392         const SourcePos& getPos() const { return mPos; }
393 
394     private:
395         String16 mName;
396         String16 mParent;
397         type mType;
398         Item mItem;
399         int32_t mItemFormat;
400         KeyedVector<String16, Item> mBag;
401         int32_t mNameIndex;
402         uint32_t mParentId;
403         SourcePos mPos;
404     };
405 
406     class ConfigList : public RefBase {
407     public:
ConfigList(const String16 & name,const SourcePos & pos)408         ConfigList(const String16& name, const SourcePos& pos)
409             : mName(name), mPos(pos), mPublic(false), mEntryIndex(-1) { }
~ConfigList()410         virtual ~ConfigList() { }
411 
getName()412         String16 getName() const { return mName; }
getPos()413         const SourcePos& getPos() const { return mPos; }
414 
415         void appendComment(const String16& comment, bool onlyIfEmpty = false);
getComment()416         const String16& getComment() const { return mComment; }
417 
418         void appendTypeComment(const String16& comment);
getTypeComment()419         const String16& getTypeComment() const { return mTypeComment; }
420 
421         // Index of this entry in its Type.
getEntryIndex()422         int32_t getEntryIndex() const { return mEntryIndex; }
setEntryIndex(int32_t index)423         void setEntryIndex(int32_t index) { mEntryIndex = index; }
424 
setPublic(bool pub)425         void setPublic(bool pub) { mPublic = pub; }
getPublic()426         bool getPublic() const { return mPublic; }
setPublicSourcePos(const SourcePos & pos)427         void setPublicSourcePos(const SourcePos& pos) { mPublicSourcePos = pos; }
getPublicSourcePos()428         const SourcePos& getPublicSourcePos() { return mPublicSourcePos; }
429 
addEntry(const ResTable_config & config,const sp<Entry> & entry)430         void addEntry(const ResTable_config& config, const sp<Entry>& entry) {
431             mEntries.add(config, entry);
432         }
433 
getEntries()434         const DefaultKeyedVector<ConfigDescription, sp<Entry> >& getEntries() const { return mEntries; }
435     private:
436         const String16 mName;
437         const SourcePos mPos;
438         String16 mComment;
439         String16 mTypeComment;
440         bool mPublic;
441         SourcePos mPublicSourcePos;
442         int32_t mEntryIndex;
443         DefaultKeyedVector<ConfigDescription, sp<Entry> > mEntries;
444     };
445 
446     class Public {
447     public:
Public()448         Public() : sourcePos(), ident(0) { }
Public(const SourcePos & pos,const String16 & _comment,uint32_t _ident)449         Public(const SourcePos& pos,
450                const String16& _comment,
451                uint32_t _ident)
452             : sourcePos(pos),
453             comment(_comment), ident(_ident) { }
Public(const Public & o)454         Public(const Public& o) : sourcePos(o.sourcePos),
455             comment(o.comment), ident(o.ident) { }
~Public()456         ~Public() { }
457 
458         Public& operator=(const Public& o) {
459             sourcePos = o.sourcePos;
460             comment = o.comment;
461             ident = o.ident;
462             return *this;
463         }
464 
465         SourcePos   sourcePos;
466         String16    comment;
467         uint32_t    ident;
468     };
469 
470     class Type : public RefBase {
471     public:
Type(const String16 & name,const SourcePos & pos)472         Type(const String16& name, const SourcePos& pos)
473                 : mName(name), mFirstPublicSourcePos(NULL), mPublicIndex(-1), mIndex(-1), mPos(pos)
474         { }
~Type()475         virtual ~Type() { delete mFirstPublicSourcePos; }
476 
477         status_t addPublic(const SourcePos& pos,
478                            const String16& name,
479                            const uint32_t ident);
480 
481         void canAddEntry(const String16& name);
482 
getName()483         String16 getName() const { return mName; }
484         sp<Entry> getEntry(const String16& entry,
485                            const SourcePos& pos,
486                            const ResTable_config* config = NULL,
487                            bool doSetIndex = false,
488                            bool overlay = false,
489                            bool autoAddOverlay = false);
490 
isPublic(const String16 & entry)491         bool isPublic(const String16& entry) const {
492             return mPublic.indexOfKey(entry) >= 0;
493         }
494 
495         sp<ConfigList> removeEntry(const String16& entry);
496 
497         SortedVector<ConfigDescription> getUniqueConfigs() const;
498 
getFirstPublicSourcePos()499         const SourcePos& getFirstPublicSourcePos() const { return *mFirstPublicSourcePos; }
500 
getPublicIndex()501         int32_t getPublicIndex() const { return mPublicIndex; }
502 
getIndex()503         int32_t getIndex() const { return mIndex; }
setIndex(int32_t index)504         void setIndex(int32_t index) { mIndex = index; }
505 
506         status_t applyPublicEntryOrder();
507 
getConfigs()508         const DefaultKeyedVector<String16, sp<ConfigList> >& getConfigs() const { return mConfigs; }
getOrderedConfigs()509         const Vector<sp<ConfigList> >& getOrderedConfigs() const { return mOrderedConfigs; }
getCanAddEntries()510         const SortedVector<String16>& getCanAddEntries() const { return mCanAddEntries; }
511 
getPos()512         const SourcePos& getPos() const { return mPos; }
513 
514     private:
515         String16 mName;
516         SourcePos* mFirstPublicSourcePos;
517         DefaultKeyedVector<String16, Public> mPublic;
518         DefaultKeyedVector<String16, sp<ConfigList> > mConfigs;
519         Vector<sp<ConfigList> > mOrderedConfigs;
520         SortedVector<String16> mCanAddEntries;
521         int32_t mPublicIndex;
522         int32_t mIndex;
523         SourcePos mPos;
524     };
525 
526     class Package : public RefBase {
527     public:
528         Package(const String16& name, size_t packageId);
~Package()529         virtual ~Package() { }
530 
getName()531         String16 getName() const { return mName; }
532         sp<Type> getType(const String16& type,
533                          const SourcePos& pos,
534                          bool doSetIndex = false);
535 
getAssignedId()536         size_t getAssignedId() const { return mPackageId; }
537 
getTypeStrings()538         const ResStringPool& getTypeStrings() const { return mTypeStrings; }
indexOfTypeString(const String16 & s)539         uint32_t indexOfTypeString(const String16& s) const { return mTypeStringsMapping.valueFor(s); }
getTypeStringsData()540         const sp<AaptFile> getTypeStringsData() const { return mTypeStringsData; }
541         status_t setTypeStrings(const sp<AaptFile>& data);
542 
getKeyStrings()543         const ResStringPool& getKeyStrings() const { return mKeyStrings; }
indexOfKeyString(const String16 & s)544         uint32_t indexOfKeyString(const String16& s) const { return mKeyStringsMapping.valueFor(s); }
getKeyStringsData()545         const sp<AaptFile> getKeyStringsData() const { return mKeyStringsData; }
546         status_t setKeyStrings(const sp<AaptFile>& data);
547 
548         status_t applyPublicTypeOrder();
549 
getTypes()550         const DefaultKeyedVector<String16, sp<Type> >& getTypes() const { return mTypes; }
getOrderedTypes()551         const Vector<sp<Type> >& getOrderedTypes() const { return mOrderedTypes; }
552 
553         void movePrivateAttrs();
554 
555     private:
556         status_t setStrings(const sp<AaptFile>& data,
557                             ResStringPool* strings,
558                             DefaultKeyedVector<String16, uint32_t>* mappings);
559 
560         const String16 mName;
561         const size_t mPackageId;
562         DefaultKeyedVector<String16, sp<Type> > mTypes;
563         Vector<sp<Type> > mOrderedTypes;
564         sp<AaptFile> mTypeStringsData;
565         sp<AaptFile> mKeyStringsData;
566         ResStringPool mTypeStrings;
567         ResStringPool mKeyStrings;
568         DefaultKeyedVector<String16, uint32_t> mTypeStringsMapping;
569         DefaultKeyedVector<String16, uint32_t> mKeyStringsMapping;
570     };
571 
572     void getDensityVaryingResources(KeyedVector<Symbol, Vector<SymbolDefinition> >& resources);
573 
574     /**
575      * Make an attribute with the specified format. If another attribute with the same name but
576      * different format exists, this method returns false. If the name is not taken, or if the
577      * format is identical, this returns true.
578      */
579     bool makeAttribute(const String16& package,
580                        const String16& name,
581                        const SourcePos& source,
582                        int32_t format,
583                        const String16& comment,
584                        bool appendComment);
585 
586 private:
587     void writePublicDefinitions(const String16& package, FILE* fp, bool pub);
588     sp<Package> getPackage(const String16& package);
589     sp<Type> getType(const String16& package,
590                      const String16& type,
591                      const SourcePos& pos,
592                      bool doSetIndex = false);
593     sp<Entry> getEntry(const String16& package,
594                        const String16& type,
595                        const String16& name,
596                        const SourcePos& pos,
597                        bool overlay,
598                        const ResTable_config* config = NULL,
599                        bool doSetIndex = false);
600     sp<const Entry> getEntry(uint32_t resID,
601                              const ResTable_config* config = NULL) const;
602     sp<ConfigList> getConfigList(const String16& package,
603                                  const String16& type,
604                                  const String16& name) const;
605     const Item* getItem(uint32_t resID, uint32_t attrID) const;
606     bool getItemValue(uint32_t resID, uint32_t attrID,
607                       Res_value* outValue);
608     int getPublicAttributeSdkLevel(uint32_t attrId) const;
609 
610     status_t processBundleFormatImpl(const Bundle* bundle,
611                                      const String16& resourceName,
612                                      const sp<AaptFile>& file,
613                                      const sp<XMLNode>& parent,
614                                      Vector<sp<XMLNode> >* namespaces);
615 
616     String16 mAssetsPackage;
617     PackageType mPackageType;
618     sp<AaptAssets> mAssets;
619     uint32_t mTypeIdOffset;
620     DefaultKeyedVector<String16, sp<Package> > mPackages;
621     Vector<sp<Package> > mOrderedPackages;
622     size_t mNumLocal;
623     SourcePos mCurrentXmlPos;
624     Bundle* mBundle;
625 
626     // key = string resource name, value = set of locales in which that name is defined
627     std::map<String16, std::map<String8, SourcePos>> mLocalizations;
628     // set of string resources names that have a default localization
629     std::set<String16> mHasDefaultLocalization;
630     std::queue<CompileResourceWorkItem> mWorkQueue;
631 };
632 
633 #endif
634