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