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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 244 | chris | 1 | #ifndef __PAKINTERFACE_H__ |
| 2 | #define __PAKINTERFACE_H__ |
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| 3 | |||
| 4 | #include <map> |
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| 5 | #include <list> |
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| 6 | #include <string> |
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| 7 | |||
| 8 | #define WIN32_LEAN_AND_MEAN |
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| 9 | #include <windows.h> |
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| 10 | |||
| 11 | class PakCollection; |
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| 12 | |||
| 13 | class PakRecord |
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| 14 | { |
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| 15 | public: |
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| 16 | PakCollection* mCollection; |
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| 17 | std::string mFileName; |
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| 18 | FILETIME mFileTime; |
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| 19 | int mStartPos; |
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| 20 | int mSize; |
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| 21 | }; |
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| 22 | |||
| 23 | typedef std::map<std::string, PakRecord> PakRecordMap; |
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| 24 | |||
| 25 | class PakCollection |
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| 26 | { |
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| 27 | public: |
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| 28 | HANDLE mFileHandle; |
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| 29 | HANDLE mMappingHandle; |
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| 30 | void* mDataPtr; |
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| 31 | }; |
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| 32 | |||
| 33 | typedef std::list<PakCollection> PakCollectionList; |
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| 34 | |||
| 35 | struct PFILE |
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| 36 | { |
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| 37 | PakRecord* mRecord; |
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| 38 | int mPos; |
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| 39 | FILE* mFP; |
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| 40 | }; |
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| 41 | |||
| 42 | struct PFindData |
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| 43 | { |
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| 44 | HANDLE mWHandle; |
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| 45 | std::string mLastFind; |
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| 46 | std::string mFindCriteria; |
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| 47 | }; |
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| 48 | |||
| 49 | class PakInterfaceBase |
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| 50 | { |
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| 51 | public: |
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| 52 | virtual PFILE* FOpen(const char* theFileName, const char* theAccess) = 0; |
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| 53 | virtual PFILE* FOpen(const wchar_t* theFileName, const wchar_t* theAccess) { return NULL; } |
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| 54 | virtual int FClose(PFILE* theFile) = 0; |
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| 55 | virtual int FSeek(PFILE* theFile, long theOffset, int theOrigin) = 0; |
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| 56 | virtual int FTell(PFILE* theFile) = 0; |
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| 57 | virtual size_t FRead(void* thePtr, int theElemSize, int theCount, PFILE* theFile) = 0; |
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| 58 | virtual int FGetC(PFILE* theFile) = 0; |
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| 59 | virtual int UnGetC(int theChar, PFILE* theFile) = 0; |
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| 60 | virtual char* FGetS(char* thePtr, int theSize, PFILE* theFile) = 0; |
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| 61 | virtual wchar_t* FGetS(wchar_t* thePtr, int theSize, PFILE* theFile) { return thePtr; } |
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| 62 | virtual int FEof(PFILE* theFile) = 0; |
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| 63 | |||
| 64 | virtual HANDLE FindFirstFile(LPCTSTR lpFileName, LPWIN32_FIND_DATA lpFindFileData) = 0; |
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| 65 | virtual BOOL FindNextFile(HANDLE hFindFile, LPWIN32_FIND_DATA lpFindFileData) = 0; |
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| 66 | virtual BOOL FindClose(HANDLE hFindFile) = 0; |
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| 67 | }; |
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| 68 | |||
| 69 | class PakInterface : public PakInterfaceBase |
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| 70 | { |
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| 71 | public: |
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| 72 | PakCollectionList mPakCollectionList; |
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| 73 | PakRecordMap mPakRecordMap; |
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| 74 | |||
| 75 | public: |
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| 76 | bool PFindNext(PFindData* theFindData, LPWIN32_FIND_DATA lpFindFileData); |
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| 77 | |||
| 78 | public: |
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| 79 | PakInterface(); |
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| 80 | ~PakInterface(); |
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| 81 | |||
| 82 | bool AddPakFile(const std::string& theFileName); |
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| 83 | PFILE* FOpen(const char* theFileName, const char* theAccess); |
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| 84 | int FClose(PFILE* theFile); |
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| 85 | int FSeek(PFILE* theFile, long theOffset, int theOrigin); |
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| 86 | int FTell(PFILE* theFile); |
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| 87 | size_t FRead(void* thePtr, int theElemSize, int theCount, PFILE* theFile); |
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| 88 | int FGetC(PFILE* theFile); |
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| 89 | int UnGetC(int theChar, PFILE* theFile); |
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| 90 | char* FGetS(char* thePtr, int theSize, PFILE* theFile); |
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| 91 | int FEof(PFILE* theFile); |
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| 92 | |||
| 93 | HANDLE FindFirstFile(LPCTSTR lpFileName, LPWIN32_FIND_DATA lpFindFileData); |
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| 94 | BOOL FindNextFile(HANDLE hFindFile, LPWIN32_FIND_DATA lpFindFileData); |
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| 95 | BOOL FindClose(HANDLE hFindFile); |
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| 96 | }; |
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| 97 | |||
| 98 | extern PakInterface* gPakInterface; |
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| 99 | |||
| 100 | static HANDLE gPakFileMapping = NULL; |
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| 101 | static PakInterfaceBase** gPakInterfaceP = NULL; |
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| 102 | |||
| 103 | static PakInterfaceBase* GetPakPtr() |
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| 104 | { |
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| 105 | if (gPakFileMapping == NULL) |
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| 106 | { |
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| 107 | char aName[256]; |
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| 108 | sprintf(aName, "gPakInterfaceP_%d", GetCurrentProcessId()); |
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| 109 | gPakFileMapping = ::CreateFileMappingA((HANDLE)INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(PakInterface*), aName); |
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| 110 | gPakInterfaceP = (PakInterfaceBase**) MapViewOfFile(gPakFileMapping, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(PakInterface*)); |
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| 111 | } |
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| 112 | return *gPakInterfaceP; |
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| 113 | } |
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| 114 | |||
| 115 | static PFILE* p_fopen(const char* theFileName, const char* theAccess) |
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| 116 | { |
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| 117 | if (GetPakPtr() != NULL) |
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| 118 | return (*gPakInterfaceP)->FOpen(theFileName, theAccess); |
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| 119 | FILE* aFP = fopen(theFileName, theAccess); |
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| 120 | if (aFP == NULL) |
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| 121 | return NULL; |
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| 122 | PFILE* aPFile = new PFILE(); |
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| 123 | aPFile->mRecord = NULL; |
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| 124 | aPFile->mPos = 0; |
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| 125 | aPFile->mFP = aFP; |
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| 126 | return aPFile; |
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| 127 | } |
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| 128 | |||
| 129 | static PFILE* p_fopen(const wchar_t* theFileName, const wchar_t* theAccess) |
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| 130 | { |
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| 131 | if (GetPakPtr() != NULL) |
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| 132 | return (*gPakInterfaceP)->FOpen(theFileName, theAccess); |
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| 133 | FILE* aFP = _wfopen(theFileName, theAccess); |
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| 134 | if (aFP == NULL) |
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| 135 | return NULL; |
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| 136 | PFILE* aPFile = new PFILE(); |
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| 137 | aPFile->mRecord = NULL; |
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| 138 | aPFile->mPos = 0; |
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| 139 | aPFile->mFP = aFP; |
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| 140 | return aPFile; |
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| 141 | } |
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| 142 | |||
| 143 | static int p_fclose(PFILE* theFile) |
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| 144 | { |
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| 145 | if (GetPakPtr() != NULL) |
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| 146 | return (*gPakInterfaceP)->FClose(theFile); |
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| 147 | int aResult = fclose(theFile->mFP); |
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| 148 | delete theFile; |
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| 149 | return aResult; |
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| 150 | } |
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| 151 | |||
| 152 | static int p_fseek(PFILE* theFile, long theOffset, int theOrigin) |
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| 153 | { |
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| 154 | if (GetPakPtr() != NULL) |
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| 155 | return (*gPakInterfaceP)->FSeek(theFile, theOffset, theOrigin); |
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| 156 | return fseek(theFile->mFP, theOffset, theOrigin); |
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| 157 | } |
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| 158 | |||
| 159 | static int p_ftell(PFILE* theFile) |
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| 160 | { |
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| 161 | if (GetPakPtr() != NULL) |
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| 162 | return (*gPakInterfaceP)->FTell(theFile); |
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| 163 | return ftell(theFile->mFP); |
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| 164 | } |
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| 165 | |||
| 166 | static size_t p_fread(void* thePtr, int theSize, int theCount, PFILE* theFile) |
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| 167 | { |
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| 168 | if (GetPakPtr() != NULL) |
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| 169 | return (*gPakInterfaceP)->FRead(thePtr, theSize, theCount, theFile); |
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| 170 | return fread(thePtr, theSize, theCount, theFile->mFP); |
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| 171 | } |
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| 172 | |||
| 173 | static size_t p_fwrite(const void* thePtr, int theSize, int theCount, PFILE* theFile) |
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| 174 | { |
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| 175 | if (theFile->mFP == NULL) |
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| 176 | return 0; |
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| 177 | return fwrite(thePtr, theSize, theCount, theFile->mFP); |
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| 178 | } |
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| 179 | |||
| 180 | static int p_fgetc(PFILE* theFile) |
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| 181 | { |
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| 182 | if (GetPakPtr() != NULL) |
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| 183 | return (*gPakInterfaceP)->FGetC(theFile); |
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| 184 | return fgetc(theFile->mFP); |
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| 185 | } |
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| 186 | |||
| 187 | static int p_ungetc(int theChar, PFILE* theFile) |
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| 188 | { |
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| 189 | if (GetPakPtr() != NULL) |
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| 190 | return (*gPakInterfaceP)->UnGetC(theChar, theFile); |
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| 191 | return ungetc(theChar, theFile->mFP); |
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| 192 | } |
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| 193 | |||
| 194 | static char* p_fgets(char* thePtr, int theSize, PFILE* theFile) |
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| 195 | { |
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| 196 | if (GetPakPtr() != NULL) |
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| 197 | return (*gPakInterfaceP)->FGetS(thePtr, theSize, theFile); |
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| 198 | return fgets(thePtr, theSize, theFile->mFP); |
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| 199 | } |
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| 200 | |||
| 201 | static wchar_t* p_fgets(wchar_t* thePtr, int theSize, PFILE* theFile) |
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| 202 | { |
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| 203 | if (GetPakPtr() != NULL) |
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| 204 | return (*gPakInterfaceP)->FGetS(thePtr, theSize, theFile); |
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| 205 | return fgetws(thePtr, theSize, theFile->mFP); |
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| 206 | } |
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| 207 | |||
| 208 | static int p_feof(PFILE* theFile) |
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| 209 | { |
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| 210 | if (GetPakPtr() != NULL) |
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| 211 | return (*gPakInterfaceP)->FEof(theFile); |
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| 212 | return feof(theFile->mFP); |
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| 213 | } |
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| 214 | |||
| 215 | static HANDLE p_FindFirstFile(LPCTSTR lpFileName, LPWIN32_FIND_DATA lpFindFileData) |
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| 216 | { |
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| 217 | if (GetPakPtr() != NULL) |
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| 218 | return (*gPakInterfaceP)->FindFirstFile(lpFileName, lpFindFileData); |
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| 219 | return FindFirstFile(lpFileName, lpFindFileData); |
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| 220 | } |
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| 221 | |||
| 222 | static BOOL p_FindNextFile(HANDLE hFindFile, LPWIN32_FIND_DATA lpFindFileData) |
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| 223 | { |
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| 224 | if (GetPakPtr() != NULL) |
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| 225 | return (*gPakInterfaceP)->FindNextFile(hFindFile, lpFindFileData); |
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| 226 | return FindNextFile(hFindFile, lpFindFileData); |
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| 227 | } |
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| 228 | |||
| 229 | static BOOL p_FindClose(HANDLE hFindFile) |
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| 230 | { |
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| 231 | if (GetPakPtr() != NULL) |
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| 232 | return (*gPakInterfaceP)->FindClose(hFindFile); |
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| 233 | return FindClose(hFindFile); |
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| 234 | } |
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| 235 | |||
| 236 | |||
| 237 | #endif //__PAKINTERFACE_H__ |