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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 "StringPool.h"
     11 #include "SourcePos.h"
     12 
     13 #include <set>
     14 #include <map>
     15 
     16 using namespace std;
     17 
     18 class XMLNode;
     19 class ResourceTable;
     20 
     21 enum {
     22     XML_COMPILE_STRIP_COMMENTS = 1<<0,
     23     XML_COMPILE_ASSIGN_ATTRIBUTE_IDS = 1<<1,
     24     XML_COMPILE_COMPACT_WHITESPACE = 1<<2,
     25     XML_COMPILE_STRIP_WHITESPACE = 1<<3,
     26     XML_COMPILE_STRIP_RAW_VALUES = 1<<4,
     27     XML_COMPILE_UTF8 = 1<<5,
     28 
     29     XML_COMPILE_STANDARD_RESOURCE =
     30             XML_COMPILE_STRIP_COMMENTS | XML_COMPILE_ASSIGN_ATTRIBUTE_IDS
     31             | XML_COMPILE_STRIP_WHITESPACE | XML_COMPILE_STRIP_RAW_VALUES
     32 };
     33 
     34 status_t compileXmlFile(const sp<AaptAssets>& assets,
     35                         const sp<AaptFile>& target,
     36                         ResourceTable* table,
     37                         int options = XML_COMPILE_STANDARD_RESOURCE);
     38 
     39 status_t compileXmlFile(const sp<AaptAssets>& assets,
     40                         const sp<AaptFile>& target,
     41                         const sp<AaptFile>& outTarget,
     42                         ResourceTable* table,
     43                         int options = XML_COMPILE_STANDARD_RESOURCE);
     44 
     45 status_t compileXmlFile(const sp<AaptAssets>& assets,
     46                         const sp<XMLNode>& xmlTree,
     47                         const sp<AaptFile>& target,
     48                         ResourceTable* table,
     49                         int options = XML_COMPILE_STANDARD_RESOURCE);
     50 
     51 status_t compileResourceFile(Bundle* bundle,
     52                              const sp<AaptAssets>& assets,
     53                              const sp<AaptFile>& in,
     54                              const ResTable_config& defParams,
     55                              const bool overwrite,
     56                              ResourceTable* outTable);
     57 
     58 struct AccessorCookie
     59 {
     60     SourcePos sourcePos;
     61     String8 attr;
     62     String8 value;
     63 
     64     AccessorCookie(const SourcePos&p, const String8& a, const String8& v)
     65         :sourcePos(p),
     66          attr(a),
     67          value(v)
     68     {
     69     }
     70 };
     71 
     72 class ResourceTable : public ResTable::Accessor
     73 {
     74 public:
     75     class Package;
     76     class Type;
     77     class Entry;
     78 
     79     ResourceTable(Bundle* bundle, const String16& assetsPackage);
     80 
     81     status_t addIncludedResources(Bundle* bundle, const sp<AaptAssets>& assets);
     82 
     83     status_t addPublic(const SourcePos& pos,
     84                        const String16& package,
     85                        const String16& type,
     86                        const String16& name,
     87                        const uint32_t ident);
     88 
     89     status_t addEntry(const SourcePos& pos,
     90                       const String16& package,
     91                       const String16& type,
     92                       const String16& name,
     93                       const String16& value,
     94                       const Vector<StringPool::entry_style_span>* style = NULL,
     95                       const ResTable_config* params = NULL,
     96                       const bool doSetIndex = false,
     97                       const int32_t format = ResTable_map::TYPE_ANY,
     98                       const bool overwrite = false);
     99 
    100     status_t startBag(const SourcePos& pos,
    101                     const String16& package,
    102                     const String16& type,
    103                     const String16& name,
    104                     const String16& bagParent,
    105                     const ResTable_config* params = NULL,
    106                     bool overlay = false,
    107                     bool replace = false,
    108                     bool isId = false);
    109 
    110     status_t addBag(const SourcePos& pos,
    111                     const String16& package,
    112                     const String16& type,
    113                     const String16& name,
    114                     const String16& bagParent,
    115                     const String16& bagKey,
    116                     const String16& value,
    117                     const Vector<StringPool::entry_style_span>* style = NULL,
    118                     const ResTable_config* params = NULL,
    119                     bool replace = false,
    120                     bool isId = false,
    121                     const int32_t format = ResTable_map::TYPE_ANY);
    122 
    123     bool hasBagOrEntry(const String16& package,
    124                        const String16& type,
    125                        const String16& name) const;
    126 
    127     bool hasBagOrEntry(const String16& package,
    128                        const String16& type,
    129                        const String16& name,
    130                        const ResTable_config& config) const;
    131 
    132     bool hasBagOrEntry(const String16& ref,
    133                        const String16* defType = NULL,
    134                        const String16* defPackage = NULL);
    135 
    136     bool appendComment(const String16& package,
    137                        const String16& type,
    138                        const String16& name,
    139                        const String16& comment,
    140                        bool onlyIfEmpty = false);
    141 
    142     bool appendTypeComment(const String16& package,
    143                            const String16& type,
    144                            const String16& name,
    145                            const String16& comment);
    146 
    147     void canAddEntry(const SourcePos& pos,
    148         const String16& package, const String16& type, const String16& name);
    149 
    150     size_t size() const;
    151     size_t numLocalResources() const;
    152     bool hasResources() const;
    153 
    154     sp<AaptFile> flatten(Bundle*);
    155 
    156     static inline uint32_t makeResId(uint32_t packageId,
    157                                      uint32_t typeId,
    158                                      uint32_t nameId)
    159     {
    160         return nameId | (typeId<<16) | (packageId<<24);
    161     }
    162 
    163     static inline uint32_t getResId(const sp<Package>& p,
    164                                     const sp<Type>& t,
    165                                     uint32_t nameId);
    166 
    167     uint32_t getResId(const String16& package,
    168                       const String16& type,
    169                       const String16& name,
    170                       bool onlyPublic = true) const;
    171 
    172     uint32_t getResId(const String16& ref,
    173                       const String16* defType = NULL,
    174                       const String16* defPackage = NULL,
    175                       const char** outErrorMsg = NULL,
    176                       bool onlyPublic = true) const;
    177 
    178     static bool isValidResourceName(const String16& s);
    179 
    180     bool stringToValue(Res_value* outValue, StringPool* pool,
    181                        const String16& str,
    182                        bool preserveSpaces, bool coerceType,
    183                        uint32_t attrID,
    184                        const Vector<StringPool::entry_style_span>* style = NULL,
    185                        String16* outStr = NULL, void* accessorCookie = NULL,
    186                        uint32_t attrType = ResTable_map::TYPE_ANY);
    187 
    188     status_t assignResourceIds();
    189     status_t addSymbols(const sp<AaptSymbols>& outSymbols = NULL);
    190     void addLocalization(const String16& name, const String8& locale);
    191     status_t validateLocalizations(void);
    192 
    193     status_t flatten(Bundle*, const sp<AaptFile>& dest);
    194 
    195     void writePublicDefinitions(const String16& package, FILE* fp);
    196 
    197     virtual uint32_t getCustomResource(const String16& package,
    198                                        const String16& type,
    199                                        const String16& name) const;
    200     virtual uint32_t getCustomResourceWithCreation(const String16& package,
    201                                                    const String16& type,
    202                                                    const String16& name,
    203                                                    const bool createIfNeeded);
    204     virtual uint32_t getRemappedPackage(uint32_t origPackage) const;
    205     virtual bool getAttributeType(uint32_t attrID, uint32_t* outType);
    206     virtual bool getAttributeMin(uint32_t attrID, uint32_t* outMin);
    207     virtual bool getAttributeMax(uint32_t attrID, uint32_t* outMax);
    208     virtual bool getAttributeKeys(uint32_t attrID, Vector<String16>* outKeys);
    209     virtual bool getAttributeEnum(uint32_t attrID,
    210                                   const char16_t* name, size_t nameLen,
    211                                   Res_value* outValue);
    212     virtual bool getAttributeFlags(uint32_t attrID,
    213                                    const char16_t* name, size_t nameLen,
    214                                    Res_value* outValue);
    215     virtual uint32_t getAttributeL10N(uint32_t attrID);
    216 
    217     virtual bool getLocalizationSetting();
    218     virtual void reportError(void* accessorCookie, const char* fmt, ...);
    219 
    220     void setCurrentXmlPos(const SourcePos& pos) { mCurrentXmlPos = pos; }
    221 
    222     class Item {
    223     public:
    224         Item() : isId(false), format(ResTable_map::TYPE_ANY), bagKeyId(0), evaluating(false)
    225             { memset(&parsedValue, 0, sizeof(parsedValue)); }
    226         Item(const SourcePos& pos,
    227              bool _isId,
    228              const String16& _value,
    229              const Vector<StringPool::entry_style_span>* _style = NULL,
    230              int32_t format = ResTable_map::TYPE_ANY);
    231         Item(const Item& o) : sourcePos(o.sourcePos),
    232             isId(o.isId), value(o.value), style(o.style),
    233             format(o.format), bagKeyId(o.bagKeyId), evaluating(false) {
    234             memset(&parsedValue, 0, sizeof(parsedValue));
    235         }
    236         ~Item() { }
    237 
    238         Item& operator=(const Item& o) {
    239             sourcePos = o.sourcePos;
    240             isId = o.isId;
    241             value = o.value;
    242             style = o.style;
    243             format = o.format;
    244             bagKeyId = o.bagKeyId;
    245             parsedValue = o.parsedValue;
    246             return *this;
    247         }
    248 
    249         SourcePos                               sourcePos;
    250         mutable bool                            isId;
    251         String16                                value;
    252         Vector<StringPool::entry_style_span>    style;
    253         int32_t                                 format;
    254         uint32_t                                bagKeyId;
    255         mutable bool                            evaluating;
    256         Res_value                               parsedValue;
    257     };
    258 
    259     class Entry : public RefBase {
    260     public:
    261         Entry(const String16& name, const SourcePos& pos)
    262             : mName(name), mType(TYPE_UNKNOWN),
    263               mItemFormat(ResTable_map::TYPE_ANY), mNameIndex(-1), mPos(pos)
    264         { }
    265         virtual ~Entry() { }
    266 
    267         enum type {
    268             TYPE_UNKNOWN = 0,
    269             TYPE_ITEM,
    270             TYPE_BAG
    271         };
    272 
    273         String16 getName() const { return mName; }
    274         type getType() const { return mType; }
    275 
    276         void setParent(const String16& parent) { mParent = parent; }
    277         String16 getParent() const { return mParent; }
    278 
    279         status_t makeItABag(const SourcePos& sourcePos);
    280 
    281         status_t emptyBag(const SourcePos& sourcePos);
    282 
    283         status_t setItem(const SourcePos& pos,
    284                          const String16& value,
    285                          const Vector<StringPool::entry_style_span>* style = NULL,
    286                          int32_t format = ResTable_map::TYPE_ANY,
    287                          const bool overwrite = false);
    288 
    289         status_t addToBag(const SourcePos& pos,
    290                           const String16& key, const String16& value,
    291                           const Vector<StringPool::entry_style_span>* style = NULL,
    292                           bool replace=false, bool isId = false,
    293                           int32_t format = ResTable_map::TYPE_ANY);
    294 
    295         // Index of the entry's name string in the key pool.
    296         int32_t getNameIndex() const { return mNameIndex; }
    297         void setNameIndex(int32_t index) { mNameIndex = index; }
    298 
    299         const Item* getItem() const { return mType == TYPE_ITEM ? &mItem : NULL; }
    300         const KeyedVector<String16, Item>& getBag() const { return mBag; }
    301 
    302         status_t generateAttributes(ResourceTable* table,
    303                                     const String16& package);
    304 
    305         status_t assignResourceIds(ResourceTable* table,
    306                                    const String16& package);
    307 
    308         status_t prepareFlatten(StringPool* strings, ResourceTable* table);
    309 
    310         ssize_t flatten(Bundle*, const sp<AaptFile>& data, bool isPublic);
    311 
    312         const SourcePos& getPos() const { return mPos; }
    313 
    314     private:
    315         String16 mName;
    316         String16 mParent;
    317         type mType;
    318         Item mItem;
    319         int32_t mItemFormat;
    320         KeyedVector<String16, Item> mBag;
    321         int32_t mNameIndex;
    322         uint32_t mParentId;
    323         SourcePos mPos;
    324     };
    325 
    326     struct ConfigDescription : public ResTable_config {
    327         ConfigDescription() {
    328             memset(this, 0, sizeof(*this));
    329             size = sizeof(ResTable_config);
    330         }
    331         ConfigDescription(const ResTable_config&o) {
    332             *static_cast<ResTable_config*>(this) = o;
    333             size = sizeof(ResTable_config);
    334         }
    335         ConfigDescription(const ConfigDescription&o) {
    336             *static_cast<ResTable_config*>(this) = o;
    337         }
    338 
    339         ConfigDescription& operator=(const ResTable_config& o) {
    340             *static_cast<ResTable_config*>(this) = o;
    341             size = sizeof(ResTable_config);
    342             return *this;
    343         }
    344         ConfigDescription& operator=(const ConfigDescription& o) {
    345             *static_cast<ResTable_config*>(this) = o;
    346             return *this;
    347         }
    348 
    349         inline bool operator<(const ConfigDescription& o) const { return compare(o) < 0; }
    350         inline bool operator<=(const ConfigDescription& o) const { return compare(o) <= 0; }
    351         inline bool operator==(const ConfigDescription& o) const { return compare(o) == 0; }
    352         inline bool operator!=(const ConfigDescription& o) const { return compare(o) != 0; }
    353         inline bool operator>=(const ConfigDescription& o) const { return compare(o) >= 0; }
    354         inline bool operator>(const ConfigDescription& o) const { return compare(o) > 0; }
    355     };
    356 
    357     class ConfigList : public RefBase {
    358     public:
    359         ConfigList(const String16& name, const SourcePos& pos)
    360             : mName(name), mPos(pos), mPublic(false), mEntryIndex(-1) { }
    361         virtual ~ConfigList() { }
    362 
    363         String16 getName() const { return mName; }
    364         const SourcePos& getPos() const { return mPos; }
    365 
    366         void appendComment(const String16& comment, bool onlyIfEmpty = false);
    367         const String16& getComment() const { return mComment; }
    368 
    369         void appendTypeComment(const String16& comment);
    370         const String16& getTypeComment() const { return mTypeComment; }
    371 
    372         // Index of this entry in its Type.
    373         int32_t getEntryIndex() const { return mEntryIndex; }
    374         void setEntryIndex(int32_t index) { mEntryIndex = index; }
    375 
    376         void setPublic(bool pub) { mPublic = pub; }
    377         bool getPublic() const { return mPublic; }
    378         void setPublicSourcePos(const SourcePos& pos) { mPublicSourcePos = pos; }
    379         const SourcePos& getPublicSourcePos() { return mPublicSourcePos; }
    380 
    381         void addEntry(const ResTable_config& config, const sp<Entry>& entry) {
    382             mEntries.add(config, entry);
    383         }
    384 
    385         const DefaultKeyedVector<ConfigDescription, sp<Entry> >& getEntries() const { return mEntries; }
    386     private:
    387         const String16 mName;
    388         const SourcePos mPos;
    389         String16 mComment;
    390         String16 mTypeComment;
    391         bool mPublic;
    392         SourcePos mPublicSourcePos;
    393         int32_t mEntryIndex;
    394         DefaultKeyedVector<ConfigDescription, sp<Entry> > mEntries;
    395     };
    396 
    397     class Public {
    398     public:
    399         Public() : sourcePos(), ident(0) { }
    400         Public(const SourcePos& pos,
    401                const String16& _comment,
    402                uint32_t _ident)
    403             : sourcePos(pos),
    404             comment(_comment), ident(_ident) { }
    405         Public(const Public& o) : sourcePos(o.sourcePos),
    406             comment(o.comment), ident(o.ident) { }
    407         ~Public() { }
    408 
    409         Public& operator=(const Public& o) {
    410             sourcePos = o.sourcePos;
    411             comment = o.comment;
    412             ident = o.ident;
    413             return *this;
    414         }
    415 
    416         SourcePos   sourcePos;
    417         String16    comment;
    418         uint32_t    ident;
    419     };
    420 
    421     class Type : public RefBase {
    422     public:
    423         Type(const String16& name, const SourcePos& pos)
    424                 : mName(name), mFirstPublicSourcePos(NULL), mPublicIndex(-1), mIndex(-1), mPos(pos)
    425         { }
    426         virtual ~Type() { delete mFirstPublicSourcePos; }
    427 
    428         status_t addPublic(const SourcePos& pos,
    429                            const String16& name,
    430                            const uint32_t ident);
    431 
    432         void canAddEntry(const String16& name);
    433 
    434         String16 getName() const { return mName; }
    435         sp<Entry> getEntry(const String16& entry,
    436                            const SourcePos& pos,
    437                            const ResTable_config* config = NULL,
    438                            bool doSetIndex = false,
    439                            bool overlay = false,
    440                            bool autoAddOverlay = false);
    441 
    442         const SourcePos& getFirstPublicSourcePos() const { return *mFirstPublicSourcePos; }
    443 
    444         int32_t getPublicIndex() const { return mPublicIndex; }
    445 
    446         int32_t getIndex() const { return mIndex; }
    447         void setIndex(int32_t index) { mIndex = index; }
    448 
    449         status_t applyPublicEntryOrder();
    450 
    451         const SortedVector<ConfigDescription>& getUniqueConfigs() const { return mUniqueConfigs; }
    452 
    453         const DefaultKeyedVector<String16, sp<ConfigList> >& getConfigs() const { return mConfigs; }
    454         const Vector<sp<ConfigList> >& getOrderedConfigs() const { return mOrderedConfigs; }
    455 
    456         const SortedVector<String16>& getCanAddEntries() const { return mCanAddEntries; }
    457 
    458         const SourcePos& getPos() const { return mPos; }
    459     private:
    460         String16 mName;
    461         SourcePos* mFirstPublicSourcePos;
    462         DefaultKeyedVector<String16, Public> mPublic;
    463         SortedVector<ConfigDescription> mUniqueConfigs;
    464         DefaultKeyedVector<String16, sp<ConfigList> > mConfigs;
    465         Vector<sp<ConfigList> > mOrderedConfigs;
    466         SortedVector<String16> mCanAddEntries;
    467         int32_t mPublicIndex;
    468         int32_t mIndex;
    469         SourcePos mPos;
    470     };
    471 
    472     class Package : public RefBase {
    473     public:
    474         Package(const String16& name, ssize_t includedId=-1);
    475         virtual ~Package() { }
    476 
    477         String16 getName() const { return mName; }
    478         sp<Type> getType(const String16& type,
    479                          const SourcePos& pos,
    480                          bool doSetIndex = false);
    481 
    482         ssize_t getAssignedId() const { return mIncludedId; }
    483 
    484         const ResStringPool& getTypeStrings() const { return mTypeStrings; }
    485         uint32_t indexOfTypeString(const String16& s) const { return mTypeStringsMapping.valueFor(s); }
    486         const sp<AaptFile> getTypeStringsData() const { return mTypeStringsData; }
    487         status_t setTypeStrings(const sp<AaptFile>& data);
    488 
    489         const ResStringPool& getKeyStrings() const { return mKeyStrings; }
    490         uint32_t indexOfKeyString(const String16& s) const { return mKeyStringsMapping.valueFor(s); }
    491         const sp<AaptFile> getKeyStringsData() const { return mKeyStringsData; }
    492         status_t setKeyStrings(const sp<AaptFile>& data);
    493 
    494         status_t applyPublicTypeOrder();
    495 
    496         const DefaultKeyedVector<String16, sp<Type> >& getTypes() const { return mTypes; }
    497         const Vector<sp<Type> >& getOrderedTypes() const { return mOrderedTypes; }
    498 
    499     private:
    500         status_t setStrings(const sp<AaptFile>& data,
    501                             ResStringPool* strings,
    502                             DefaultKeyedVector<String16, uint32_t>* mappings);
    503 
    504         const String16 mName;
    505         const ssize_t mIncludedId;
    506         DefaultKeyedVector<String16, sp<Type> > mTypes;
    507         Vector<sp<Type> > mOrderedTypes;
    508         sp<AaptFile> mTypeStringsData;
    509         sp<AaptFile> mKeyStringsData;
    510         ResStringPool mTypeStrings;
    511         ResStringPool mKeyStrings;
    512         DefaultKeyedVector<String16, uint32_t> mTypeStringsMapping;
    513         DefaultKeyedVector<String16, uint32_t> mKeyStringsMapping;
    514     };
    515 
    516 private:
    517     void writePublicDefinitions(const String16& package, FILE* fp, bool pub);
    518     sp<Package> getPackage(const String16& package);
    519     sp<Type> getType(const String16& package,
    520                      const String16& type,
    521                      const SourcePos& pos,
    522                      bool doSetIndex = false);
    523     sp<Entry> getEntry(const String16& package,
    524                        const String16& type,
    525                        const String16& name,
    526                        const SourcePos& pos,
    527                        bool overlay,
    528                        const ResTable_config* config = NULL,
    529                        bool doSetIndex = false);
    530     sp<const Entry> getEntry(uint32_t resID,
    531                              const ResTable_config* config = NULL) const;
    532     const Item* getItem(uint32_t resID, uint32_t attrID) const;
    533     bool getItemValue(uint32_t resID, uint32_t attrID,
    534                       Res_value* outValue);
    535 
    536 
    537     String16 mAssetsPackage;
    538     sp<AaptAssets> mAssets;
    539     DefaultKeyedVector<String16, sp<Package> > mPackages;
    540     Vector<sp<Package> > mOrderedPackages;
    541     uint32_t mNextPackageId;
    542     bool mHaveAppPackage;
    543     bool mIsAppPackage;
    544     size_t mNumLocal;
    545     SourcePos mCurrentXmlPos;
    546     Bundle* mBundle;
    547 
    548     // key = string resource name, value = set of locales in which that name is defined
    549     map<String16, set<String8> > mLocalizations;
    550 };
    551 
    552 #endif
    553