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Diffstat (limited to 'pdf/xpdf/UnicodeMap.h')
-rw-r--r-- | pdf/xpdf/UnicodeMap.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/pdf/xpdf/UnicodeMap.h b/pdf/xpdf/UnicodeMap.h deleted file mode 100644 index 6fd4ed2..0000000 --- a/pdf/xpdf/UnicodeMap.h +++ /dev/null @@ -1,123 +0,0 @@ -//======================================================================== -// -// UnicodeMap.h -// -// Mapping from Unicode to an encoding. -// -// Copyright 2001-2003 Glyph & Cog, LLC -// -//======================================================================== - -#ifndef UNICODEMAP_H -#define UNICODEMAP_H - -#include <aconf.h> - -#ifdef USE_GCC_PRAGMAS -#pragma interface -#endif - -#include "gtypes.h" -#include "CharTypes.h" - -#if MULTITHREADED -#include "GMutex.h" -#endif - -class GString; - -//------------------------------------------------------------------------ - -enum UnicodeMapKind { - unicodeMapUser, // read from a file - unicodeMapResident, // static list of ranges - unicodeMapFunc // function pointer -}; - -typedef int (*UnicodeMapFunc)(Unicode u, char *buf, int bufSize); - -struct UnicodeMapRange { - Unicode start, end; // range of Unicode chars - Guint code, nBytes; // first output code -}; - -struct UnicodeMapExt; - -//------------------------------------------------------------------------ - -class UnicodeMap { -public: - - // Create the UnicodeMap specified by <encodingName>. Sets the - // initial reference count to 1. Returns NULL on failure. - static UnicodeMap *parse(GString *encodingNameA); - - // Create a resident UnicodeMap. - UnicodeMap(char *encodingNameA, GBool unicodeOutA, - UnicodeMapRange *rangesA, int lenA); - - // Create a resident UnicodeMap that uses a function instead of a - // list of ranges. - UnicodeMap(char *encodingNameA, GBool unicodeOutA, - UnicodeMapFunc funcA); - - ~UnicodeMap(); - - void incRefCnt(); - void decRefCnt(); - - GString *getEncodingName() { return encodingName; } - - GBool isUnicode() { return unicodeOut; } - - // Return true if this UnicodeMap matches the specified - // <encodingNameA>. - GBool match(GString *encodingNameA); - - // Map Unicode to the target encoding. Fills in <buf> with the - // output and returns the number of bytes used. Output will be - // truncated at <bufSize> bytes. No string terminator is written. - // Returns 0 if no mapping is found. - int mapUnicode(Unicode u, char *buf, int bufSize); - -private: - - UnicodeMap(GString *encodingNameA); - - GString *encodingName; - UnicodeMapKind kind; - GBool unicodeOut; - union { - UnicodeMapRange *ranges; // (user, resident) - UnicodeMapFunc func; // (func) - }; - int len; // (user, resident) - UnicodeMapExt *eMaps; // (user) - int eMapsLen; // (user) - int refCnt; -#ifdef MULTITHREADED - GMutex mutex; -#endif -}; - -//------------------------------------------------------------------------ - -#define unicodeMapCacheSize 4 - -class UnicodeMapCache { -public: - - UnicodeMapCache(); - ~UnicodeMapCache(); - - // Get the UnicodeMap for <encodingName>. Increments its reference - // count; there will be one reference for the cache plus one for the - // caller of this function. Returns NULL on failure. - UnicodeMap *getUnicodeMap(GString *encodingName); - -private: - - UnicodeMap *cache[unicodeMapCacheSize]; -}; - -#endif |