mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 13:03:11 +08:00
2276da418e
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@62078 954022d7-b5bf-4e40-9824-e11837661b57
435 lines
15 KiB
C
435 lines
15 KiB
C
#ifndef _ENCODER_H
|
||
#define _ENCODER_H
|
||
|
||
#pragma once
|
||
|
||
#include "Utils.h"
|
||
#include "Streams.h"
|
||
#include "EncoderConstants.h"
|
||
|
||
//-- EncoderRecPtr -------------------------------------------------------------------------------------
|
||
|
||
#define ENCODER_SIG_BYTES 0x454E4344L
|
||
|
||
//-- Предопределенные кодировки фонтов -----------------------------------------------------------
|
||
|
||
#define ENCODING_FONT_SPECIFIC "FontSpecific"
|
||
#define ENCODING_STANDARD "StandardEncoding"
|
||
#define ENCODING_MAC_EXPERT "MacExpertEncoding"
|
||
#define ENCODING_MAC_ROMAN "MacRomanEncoding"
|
||
#define ENCODING_WIN_ANSI "WinAnsiEncoding"
|
||
#define ENCODING_ISO8859_2 "ISO8859-2"
|
||
#define ENCODING_ISO8859_3 "ISO8859-3"
|
||
#define ENCODING_ISO8859_4 "ISO8859-4"
|
||
#define ENCODING_ISO8859_5 "ISO8859-5"
|
||
#define ENCODING_ISO8859_6 "ISO8859-6"
|
||
#define ENCODING_ISO8859_7 "ISO8859-7"
|
||
#define ENCODING_ISO8859_8 "ISO8859-8"
|
||
#define ENCODING_ISO8859_9 "ISO8859-9"
|
||
#define ENCODING_ISO8859_10 "ISO8859-10"
|
||
#define ENCODING_ISO8859_11 "ISO8859-11"
|
||
#define ENCODING_ISO8859_13 "ISO8859-13"
|
||
#define ENCODING_ISO8859_14 "ISO8859-14"
|
||
#define ENCODING_ISO8859_15 "ISO8859-15"
|
||
#define ENCODING_ISO8859_16 "ISO8859-16"
|
||
#define ENCODING_CP1250 "CP1250"
|
||
#define ENCODING_CP1251 "CP1251"
|
||
#define ENCODING_CP1252 "CP1252"
|
||
#define ENCODING_CP1253 "CP1253"
|
||
#define ENCODING_CP1254 "CP1254"
|
||
#define ENCODING_CP1255 "CP1255"
|
||
#define ENCODING_CP1256 "CP1256"
|
||
#define ENCODING_CP1257 "CP1257"
|
||
#define ENCODING_CP1258 "CP1258"
|
||
#define ENCODING_KOI8_R "KOI8-R"
|
||
|
||
//-- Определения для кодировки фонтов ------------------------------------------------------------
|
||
|
||
typedef enum EEncodingType
|
||
{
|
||
StandrardEncoding = 0,
|
||
MacRomanEncoding,
|
||
WinAnsiEncoding,
|
||
FontSpecific,
|
||
EncodingEOF
|
||
} EncodingType;
|
||
|
||
typedef struct TParseTextRec
|
||
{
|
||
const BYTE *pText;
|
||
unsigned int nIndex;
|
||
unsigned int nLen;
|
||
ByteType eByteType;
|
||
} ParseTextRec;
|
||
|
||
typedef struct EncoderRec* EncoderRecPtr;
|
||
|
||
typedef ByteType (*EncoderByteTypeFunc) (EncoderRecPtr pEncoder, ParseTextRec *pState);
|
||
typedef unsigned short (*EncoderToUnicodeFunc)(EncoderRecPtr pEncoder, unsigned short nCode);
|
||
typedef unsigned long (*EncoderWriteFunc) (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
typedef unsigned long (*EncoderInitFunc) (EncoderRecPtr pEncoder);
|
||
typedef void (*EncoderFreeFunc) (EncoderRecPtr pEncoder);
|
||
|
||
struct EncoderRec
|
||
{
|
||
unsigned int nSigBytes;
|
||
char sName[LIMIT_MAX_NAME_LEN + 1];
|
||
MMgr oMMgr;
|
||
Error oError;
|
||
EncoderType eType;
|
||
|
||
EncoderByteTypeFunc pByteTypeFn;
|
||
EncoderToUnicodeFunc pToUnicodeFn;
|
||
EncoderWriteFunc pWriteFn;
|
||
EncoderFreeFunc pFreeFn;
|
||
EncoderInitFunc pInitFn;
|
||
|
||
//char aLangCode[3];
|
||
//char aCountryCode[3];
|
||
void *pAttr;
|
||
};
|
||
|
||
typedef enum EBaseEncodings
|
||
{
|
||
BaseEncodingStandard,
|
||
BaseEncodingWinAnsi,
|
||
BaseEncodingMacExpert,
|
||
BaseEncodingMacRoman,
|
||
BaseEncodingFontSpecific,
|
||
BaseEncodingEOF
|
||
} BaseEncodings;
|
||
|
||
typedef struct TBuiltinEncodingData
|
||
{
|
||
const char *sEncodingName;
|
||
BaseEncodings eBaseEncoding;
|
||
const unsigned short *pnOverrideMap;
|
||
} BuiltinEncodingData;
|
||
|
||
static const BuiltinEncodingData c_aoBuiltInEncodings[] =
|
||
{
|
||
{
|
||
ENCODING_FONT_SPECIFIC,
|
||
BaseEncodingFontSpecific,
|
||
NULL
|
||
},
|
||
{
|
||
ENCODING_STANDARD,
|
||
BaseEncodingStandard,
|
||
NULL
|
||
},
|
||
{
|
||
ENCODING_MAC_EXPERT,
|
||
BaseEncodingMacExpert,
|
||
NULL
|
||
},
|
||
{
|
||
ENCODING_MAC_ROMAN,
|
||
BaseEncodingMacRoman,
|
||
NULL
|
||
},
|
||
{
|
||
ENCODING_WIN_ANSI,
|
||
BaseEncodingWinAnsi,
|
||
NULL
|
||
},
|
||
{
|
||
ENCODING_ISO8859_2,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_2
|
||
},
|
||
{
|
||
ENCODING_ISO8859_3,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_3
|
||
},
|
||
{
|
||
ENCODING_ISO8859_4,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_4
|
||
},
|
||
{
|
||
ENCODING_ISO8859_5,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_5
|
||
},
|
||
{
|
||
ENCODING_ISO8859_6,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_6
|
||
},
|
||
{
|
||
ENCODING_ISO8859_7,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_7
|
||
},
|
||
{
|
||
ENCODING_ISO8859_8,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_8
|
||
},
|
||
{
|
||
ENCODING_ISO8859_9,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_9
|
||
},
|
||
{
|
||
ENCODING_ISO8859_10,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_10
|
||
},
|
||
{
|
||
ENCODING_ISO8859_11,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_11
|
||
},
|
||
{
|
||
ENCODING_ISO8859_13,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_13
|
||
},
|
||
{
|
||
ENCODING_ISO8859_14,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_14
|
||
},
|
||
{
|
||
ENCODING_ISO8859_15,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_15
|
||
},
|
||
{
|
||
ENCODING_ISO8859_16,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapISO8859_16
|
||
},
|
||
{
|
||
ENCODING_CP1250,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1250
|
||
},
|
||
{
|
||
ENCODING_CP1251,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1251
|
||
},
|
||
{
|
||
ENCODING_CP1252,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1252
|
||
},
|
||
{
|
||
ENCODING_CP1253,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1253
|
||
},
|
||
{
|
||
ENCODING_CP1254,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1254
|
||
},
|
||
{
|
||
ENCODING_CP1255,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1255
|
||
},
|
||
{
|
||
ENCODING_CP1256,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1256
|
||
},
|
||
{
|
||
ENCODING_CP1257,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1257
|
||
},
|
||
{
|
||
ENCODING_CP1258,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapCP1258
|
||
},
|
||
{
|
||
ENCODING_KOI8_R,
|
||
BaseEncodingWinAnsi,
|
||
c_anUnicodeMapKOI8_R
|
||
},
|
||
{
|
||
NULL,
|
||
BaseEncodingEOF,
|
||
NULL
|
||
}
|
||
};
|
||
|
||
|
||
unsigned long EncoderValidate (EncoderRecPtr pEncoder);
|
||
void EncoderSetParseText (EncoderRecPtr pEncoder, ParseTextRec *pState, const BYTE *pText, unsigned int nLen);
|
||
ByteType EncoderByteType (EncoderRecPtr pEncoder, ParseTextRec *pState);
|
||
unsigned short EncoderToUnicode (EncoderRecPtr pEncoder, unsigned short nCode);
|
||
void EncoderFree (EncoderRecPtr pEncoder);
|
||
unsigned short EncoderToCode (EncoderRecPtr pEncoder, unsigned short unUnicode);
|
||
|
||
//-- BasicEncoder --------------------------------------------------------------------------------
|
||
|
||
#define BASIC_ENCODER_MAX_CHAR_INDEX 512 // Вообще, по смыслу, тут должно быть 256, но некоторые
|
||
// PDF файлы содержат и большое 256 символов, потому что
|
||
// символы кодируются в восьмеричной системе из 3-х знаков.
|
||
// Поэтому максимальное число элементов = 8^3 = 512
|
||
|
||
typedef struct TBasicEncoderAttrRec *BasicEncoderAttr;
|
||
|
||
typedef struct TBasicEncoderAttrRec
|
||
{
|
||
char sBaseEncoding[LIMIT_MAX_NAME_LEN + 1];
|
||
BYTE nFirstChar;
|
||
BYTE nLastChar;
|
||
unsigned short anUnicodeMap[BASIC_ENCODER_MAX_CHAR_INDEX];
|
||
char asGlyphNameMap[BASIC_ENCODER_MAX_CHAR_INDEX][LIMIT_MAX_NAME_LEN + 1];
|
||
bool bHasDifferences;
|
||
BYTE anDifferences[BASIC_ENCODER_MAX_CHAR_INDEX];
|
||
} BasicEncoderAttrRec;
|
||
|
||
//-- BasicEncoder - Вспомогательные функции ------------------------------------------------------
|
||
|
||
const BuiltinEncodingData* BasicEncoderFindBuiltinData(const char *sEncodingName );
|
||
const char* UnicodeToGlyphName (unsigned short nUnicode);
|
||
unsigned short GlyphNameToUnicode (const char *sGlyphName);
|
||
void BasicEncoderCopyMap (EncoderRecPtr pEncoder, const unsigned short *pnMap);
|
||
unsigned long BasicEncoderOverrideMap (EncoderRecPtr pEncoder, const unsigned short *pnMap);
|
||
;
|
||
//-- BasicEncoder - Основные функции -------------------------------------------------------------
|
||
|
||
void BasicEncoderFree (EncoderRecPtr pEncoder);
|
||
unsigned long BasicEncoderWrite (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
unsigned short BasicEncoderToUnicode(EncoderRecPtr pEncoder, unsigned short nCode);
|
||
EncoderRecPtr BasicEncoderNew (MMgr oMMgr, const char *sEncodingName);
|
||
//-- CMapEncoderStream ---------------------------------------------------------------------------
|
||
|
||
struct CMapVectorEntry
|
||
{
|
||
bool bIsVector;
|
||
//union
|
||
//{
|
||
int nCID;
|
||
CMapVectorEntry *pVector;
|
||
//};
|
||
};
|
||
|
||
typedef struct TCIDtoCodeMap
|
||
{
|
||
char sCode[4];
|
||
int nLen;
|
||
} CIDtoCodeMap;
|
||
typedef struct TCMapEncoderStreamAttrRec *CMapEncoderStreamAttr;
|
||
|
||
typedef struct TCMapEncoderStreamAttrRec
|
||
{
|
||
char sName[LIMIT_MAX_NAME_LEN + 1];
|
||
int nType; // 0 - значит имя предопределенное имя в PDF, 1 - имя - это идентефикатор кодировки, а сама кодировка задана в pStream
|
||
|
||
char sCMapName[LIMIT_MAX_NAME_LEN + 1];
|
||
char sRegistry[LIMIT_MAX_NAME_LEN + 1];
|
||
char sOrdering[LIMIT_MAX_NAME_LEN + 1];
|
||
int nSupplement;
|
||
WritingMode eWritingMode;
|
||
|
||
union
|
||
{
|
||
char sName[LIMIT_MAX_NAME_LEN + 1];
|
||
StreamRecPtr pStream;
|
||
} uUseCMap;
|
||
|
||
CIDtoCodeMap anCIDtoCode[65536]; // CID - выступает в роли индекса
|
||
|
||
CMapVectorEntry *pVector;
|
||
|
||
StreamRecPtr pStream;
|
||
} CMapEncoderStreamAttrRec;
|
||
|
||
void CMapEncoderStreamFreeVector (EncoderRecPtr pEncoder, CMapVectorEntry *pVector);
|
||
unsigned long CMapEncoderStreamWrite (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
void CMapEncoderStreamFree (EncoderRecPtr pEncoder);
|
||
//-- CMapEncoderStream - Основные функции --------------------------------------------------------
|
||
EncoderRecPtr CMapEncoderStreamNew (MMgr oMMgr, int nType, char *sName, StreamRecPtr pStream);
|
||
unsigned long CMapEncoderStreamSetAttrs (EncoderRecPtr pEncoder, char *sCMapName, char *sRegistry, char *sOrdering, int nSupplement, WritingMode eMode, char *sUseCMap, StreamRecPtr pUseCMap );
|
||
unsigned long CMapEncoderStreamLoadVector2 (EncoderRecPtr pEncoder, XmlUtils::CXmlNode oNode, CMapVectorEntry **ppVector);
|
||
unsigned long CMapEncoderStreamLoadVector (EncoderRecPtr pEncoder, CString sCMapPath);
|
||
int CMapEncoderStreamGetCID (EncoderRecPtr pEncoder, char *sChar, int nLen, int *pnUsed);
|
||
void CMapEncoderStreamGetCodeByCID (EncoderRecPtr pEncoder, int nCID, char **ppBuffer, int *pnLen);
|
||
void CMapEncoderStreamAddCIDtoCode (EncoderRecPtr pEncoder, int nCID, char sBuffer[4], int nLen);
|
||
//-- CMapEncoder ---------------------------------------------------------------------------------
|
||
|
||
typedef bool (*CMapEncoderByteTypeFunc) (EncoderRecPtr pEncoder, BYTE nByte);
|
||
|
||
typedef struct TCIDRangeRec
|
||
{
|
||
unsigned short nFrom;
|
||
unsigned short nTo;
|
||
unsigned short nCID;
|
||
} CIDRangeRec;
|
||
|
||
typedef struct TUnicodeMapRec
|
||
{
|
||
unsigned short nCode;
|
||
unsigned short nUnicode;
|
||
} UnicodeMapRec;
|
||
|
||
typedef struct TCMapEncoderAttrRec *CMapEncoderAttr;
|
||
|
||
typedef struct TCMapEncoderAttrRec
|
||
{
|
||
unsigned short anUnicodeMap[256][256];
|
||
unsigned short anCIDMap[256][256];
|
||
unsigned short anJWWLineHead[MAX_JWW_NUM];
|
||
List pCMAPRange;
|
||
List pNotDefRange;
|
||
List pCodeSpaceRange;
|
||
WritingMode eWritingMode;
|
||
char sRegistry[LIMIT_MAX_NAME_LEN + 1];
|
||
char sOrdering[LIMIT_MAX_NAME_LEN + 1];
|
||
int nSuppliment;
|
||
CMapEncoderByteTypeFunc pIsLeadByteFn;
|
||
CMapEncoderByteTypeFunc pIsTrialByteFn;
|
||
int nUidOffset;
|
||
unsigned int anXUid[3];
|
||
|
||
// Используется только для кодировок типа EncoderTypeToUnicode
|
||
BYTE nFirstChar;
|
||
BYTE nLastChar;
|
||
} CMapEncoderAttrRec;
|
||
|
||
//-- CMAPEncoder - Вспомогательные функции -------------------------------------------------------
|
||
|
||
ByteType CMapEncoderByteType (EncoderRecPtr pEncoder, ParseTextRec *pState);
|
||
unsigned short CMapEncoderToUnicode (EncoderRecPtr pEncoder, unsigned short nCode);
|
||
unsigned short CMapEncoderToCID (EncoderRecPtr pEncoder, unsigned short nCode);
|
||
unsigned long CMapEncoderWriteHeader (StreamRecPtr pOut);
|
||
unsigned long CMapEncoderWriteFooter (StreamRecPtr pOut);
|
||
unsigned long CMapEncoderWriteCodeSpaceRange(EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
unsigned long CMapEncoderWriteBFChar (EncoderRecPtr pEncoder, StreamRecPtr pOut, int nCode, int nUnicode );
|
||
unsigned long CMapEncoderWriteBFChars (EncoderRecPtr pEncoder, StreamRecPtr pOut, int nStartCode, int nLastCode);
|
||
unsigned long CMapEncoderWriteBFChars (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
unsigned long CMapEncoderWriteInfo (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
unsigned long CMapEncoderWrite (EncoderRecPtr pEncoder, StreamRecPtr pOut);
|
||
void CMapEncoderFree (EncoderRecPtr pEncoder);
|
||
//static unsigned long AddCIDRange (MMgr oMMgr, CIDRangeRec oRange, List pTarget);
|
||
|
||
EncoderRecPtr CMapEncoderNew (MMgr oMMgr, char *sName, EncoderInitFunc pInitFn);
|
||
unsigned long CMapEncoderInitAttr (EncoderRecPtr pEncoder);
|
||
unsigned long CMapEncoderSetParseText (EncoderRecPtr pEncoder, ParseTextRec *pState, const BYTE *sText, unsigned int nLen);
|
||
unsigned long CMapEncoderAddCMap (EncoderRecPtr pEncoder, const CIDRangeRec *pRange);
|
||
unsigned long CMapEncoderAddNotDefRange (EncoderRecPtr pEncoder, CIDRangeRec oRange);
|
||
unsigned long CMapEncoderAddCodeSpaceRange (EncoderRecPtr pEncoder, CIDRangeRec oRange);
|
||
void CMapEncoderSetUnicodeArray (EncoderRecPtr pEncoder, const UnicodeMapRec *pArray);
|
||
unsigned long CMapEncoderAddJWWLineHead (EncoderRecPtr pEncoder, const unsigned short *pnCode);
|
||
bool EncoderCheckJWWLineHead (EncoderRecPtr pEncoder, const unsigned short nCode);
|
||
bool CMapEncoderUpdateUnicodeArray(EncoderRecPtr pEncoder, unsigned short *pArray);
|
||
//-- Дополнительные внешние функции --------------------------------------------------------------
|
||
|
||
unsigned short EncoderGetUnicode (EncoderRecPtr pEncoder, unsigned short nCode);
|
||
ByteType EncoderGetByteType (EncoderRecPtr pEncoder, const char *sText, unsigned int nIndex);
|
||
EncoderType EncoderGetType (EncoderRecPtr pEncoder);
|
||
WritingMode EncoderGetWritingMode(EncoderRecPtr pEncoder);
|
||
bool EncoderWCharToString (EncoderRecPtr pEncoder, CString bsSrc, CString *psDst);
|
||
#endif /* _ENCODER_H */
|
||
|