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diff --git a/pdf/xpdf/UnicodeMap.h b/pdf/xpdf/UnicodeMap.h
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-//========================================================================
-//
-// 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