mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 11:55:36 +08:00
2276da418e
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@62078 954022d7-b5bf-4e40-9824-e11837661b57
461 lines
14 KiB
C++
461 lines
14 KiB
C++
#include "ToUnicode.h"
|
||
|
||
unsigned long ToUnicodeValidate (PToUnicode pToUnicode)
|
||
{
|
||
if ( !pToUnicode || TO_UNICODE_SIG_BYTES != pToUnicode->nSigBytes )
|
||
return false;
|
||
else
|
||
return true;
|
||
}
|
||
unsigned short ToUnicodeToUnicode (PToUnicode pToUnicode, unsigned short nCode)
|
||
{
|
||
if ( !pToUnicode || !pToUnicode->pToUnicodeFn )
|
||
return 0;
|
||
|
||
return pToUnicode->pToUnicodeFn( pToUnicode, nCode );
|
||
}
|
||
void ToUnicodeFree (PToUnicode pToUnicode)
|
||
{
|
||
if ( !pToUnicode )
|
||
return;
|
||
|
||
if ( pToUnicode->pFreeFn )
|
||
pToUnicode->pFreeFn( pToUnicode );
|
||
|
||
FreeMem( pToUnicode->oMMgr, pToUnicode );
|
||
}
|
||
unsigned short ToUnicodeToCode (PToUnicode pToUnicode, unsigned short unUnicode)
|
||
{
|
||
// Ищем код для заданного юникодного значения, если такого в данной кодировке нет возвращаем значение 0xFFFF.
|
||
for ( int nCode = 0; nCode < 256; nCode++ )
|
||
{
|
||
unsigned short unCurUnicode = ToUnicodeToUnicode( pToUnicode, nCode );
|
||
if ( unCurUnicode == unUnicode )
|
||
return nCode;
|
||
}
|
||
return 0xFFFF;
|
||
}
|
||
|
||
|
||
//-- ToUnicodeStream - Вспомогательные функции ---------------------------------------------------
|
||
|
||
//-- ToUnicodeStream - Основные функции ----------------------------------------------------------
|
||
void ToUnicodeStreamFree (PToUnicode pToUnicode)
|
||
{
|
||
ToUnicodeStreamAttr pAttr = (ToUnicodeStreamAttr)pToUnicode->pAttr;
|
||
StreamFree( pAttr->pStream );
|
||
FreeMem( pToUnicode->oMMgr, pToUnicode->pAttr );
|
||
pToUnicode->pAttr = NULL;
|
||
}
|
||
unsigned long ToUnicodeStreamWrite (PToUnicode pToUnicode, StreamRecPtr pOut)
|
||
{
|
||
ToUnicodeStreamAttr pAttr = (ToUnicodeStreamAttr)pToUnicode->pAttr;
|
||
|
||
return StreamWriteToStream( pAttr->pStream, pOut, 0, NULL );
|
||
}
|
||
PToUnicode ToUnicodeStreamNew (MMgr oMMgr, BYTE *pBuffer, unsigned int unSize, const char *sName)
|
||
{
|
||
if ( NULL == oMMgr )
|
||
return NULL;
|
||
|
||
if ( NULL == pBuffer || 0 == unSize )
|
||
{
|
||
SetError( oMMgr->oError, AVS_OFFICEPDFWRITER_ERROR_INVALID_ENCODER, 0);
|
||
return NULL;
|
||
}
|
||
|
||
PToUnicode pToUnicode = (PToUnicode)GetMem( oMMgr, sizeof(ToUnicodeRec) );
|
||
if ( !pToUnicode )
|
||
return NULL;
|
||
|
||
UtilsMemSet( pToUnicode, 0, sizeof(ToUnicodeRec) );
|
||
|
||
char *pEndPointer = pToUnicode->sName + LIMIT_MAX_NAME_LEN;
|
||
UtilsStrCpy( pToUnicode->sName, sName, pEndPointer);
|
||
|
||
pToUnicode->oMMgr = oMMgr;
|
||
pToUnicode->oError = oMMgr->oError;
|
||
pToUnicode->eType = ToUnicodeStream;
|
||
|
||
pToUnicode->pToUnicodeFn = NULL;
|
||
pToUnicode->pWriteFn = ToUnicodeStreamWrite;
|
||
pToUnicode->pFreeFn = ToUnicodeStreamFree;
|
||
pToUnicode->pInitFn = NULL;
|
||
|
||
ToUnicodeStreamAttr pAttr = (ToUnicodeStreamAttr)GetMem( oMMgr, sizeof(ToUnicodeStreamAttrRec) );
|
||
if ( !pAttr )
|
||
{
|
||
FreeMem( pToUnicode->oMMgr, pToUnicode );
|
||
return NULL;
|
||
}
|
||
|
||
pToUnicode->nSigBytes = TO_UNICODE_SIG_BYTES;
|
||
pToUnicode->pAttr = pAttr;
|
||
|
||
UtilsMemSet( pAttr, 0, sizeof(ToUnicodeStreamAttrRec) );
|
||
|
||
pAttr->pStream = TempFileStreamNew( oMMgr);
|
||
StreamSeek( pAttr->pStream, 0, SeekSet );
|
||
StreamWrite( pAttr->pStream, pBuffer, unSize, true );
|
||
|
||
return pToUnicode;
|
||
}
|
||
|
||
unsigned short ToUnicodeBuiltToUnicode (PToUnicode pToUnicode, unsigned short nCode)
|
||
{
|
||
BYTE nLen = nCode;
|
||
BYTE nHei = nCode >> 8;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
return pAttr->anUnicodeMap[nLen][nHei];
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteHeader (StreamRecPtr pOut)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
const char* sToUnicodeHeader = "/CIDInit /ProcSet findresource begin\n"
|
||
"12 dict begin\n"
|
||
"begincmap\n";
|
||
|
||
nRet = StreamWriteStr( pOut, sToUnicodeHeader );
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteFooter (StreamRecPtr pOut)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
const char* sCMapFooter = "endcmap\n"
|
||
"CMapName currentdict /CMap defineresource pop\n"
|
||
"end\n"
|
||
"end\n";
|
||
|
||
nRet = StreamWriteStr( pOut, sCMapFooter );
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteCodeSpaceRange(PToUnicode pToUnicode, StreamRecPtr pOut)
|
||
{
|
||
// Пока мы тут будем писать всегда: <00> <FF>
|
||
// TO DO: В будущем надо сделать запись из поля pAttr->pCodeSpaceRange
|
||
unsigned long nRet = OK;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
const char* sBegin = "begincodespacerange";
|
||
const char* sEnd = "endcodespacerange";
|
||
int nLinesCount = 1;
|
||
|
||
if ( ( nRet = StreamWriteInt( pOut, nLinesCount ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteChar( pOut, ' ' ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteStr( pOut, sBegin ) ) )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteChar( pOut, '\n' ) ) != OK )
|
||
return nRet;
|
||
|
||
if ( 8 == pAttr->nBitCount )
|
||
{
|
||
// Это значит, что мы собираемся закодировать символы номерами от 0 до 255.
|
||
if ( ( nRet = StreamWriteStr( pOut, "<00> <FF>" ) ) != OK )
|
||
return nRet;
|
||
}
|
||
else // if ( 16 == pAttr->nBitCount )
|
||
{
|
||
// Значит символы закодированы двубайтными значениями
|
||
if ( ( nRet = StreamWriteStr( pOut, "<0000> <FFFF>" ) ) != OK )
|
||
return nRet;
|
||
}
|
||
|
||
if ( ( nRet = StreamWriteChar( pOut, '\n' ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteStr( pOut, sEnd ) ) )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteChar( pOut, '\n' ) ) != OK )
|
||
return nRet;
|
||
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteBFChar (PToUnicode pToUnicode, StreamRecPtr pOut, int nCode, int nUnicode )
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
if ( 8 == pAttr->nBitCount )
|
||
{
|
||
if ( ( nRet = StreamWriteChar( pOut, '<' ) ) != OK )
|
||
return nRet;
|
||
|
||
// Поскольку мы в codespacerange пишем коды от 0 до 255, тогда
|
||
// здесь коды должны быть двусимвольными(в шестнадцатиричной форме)
|
||
if ( ( nRet = StreamWriteHex( pOut, nCode, 2 ) ) )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteStr( pOut, "> <" ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteHex( pOut, nUnicode, 4 ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteStr( pOut, ">\n" ) ) != OK )
|
||
return nRet;
|
||
}
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteBFChars (PToUnicode pToUnicode, StreamRecPtr pOut, int nStartCode, int nLastCode)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
int nCodesCount = nLastCode - nStartCode + 1;
|
||
|
||
if ( ( nRet = StreamWriteInt( pOut, nCodesCount ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = StreamWriteStr( pOut, " beginbfchar\n") ) != OK )
|
||
return nRet;
|
||
|
||
for ( int nCode = nStartCode; nCode <= nLastCode; nCode++ )
|
||
{
|
||
unsigned short unUnicode = pToUnicode->pToUnicodeFn( pToUnicode, nCode );
|
||
ToUnicodeBuiltWriteBFChar( pToUnicode, pOut, nCode, unUnicode );
|
||
}
|
||
|
||
if ( ( nRet = StreamWriteStr( pOut, "endbfchar\n") ) != OK )
|
||
return nRet;
|
||
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteBFChars (PToUnicode pToUnicode, StreamRecPtr pOut)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
if ( pAttr->nLastChar < 0 || pAttr->nFirstChar < 0 )
|
||
return AVS_OFFICEPDFWRITER_ERROR_INVALID_ENCODER_TYPE;
|
||
|
||
// На самом деле, предполагаем, что nStartCode = 1, т.е. pAttr->nFirstChar = 0
|
||
int nStartCode = pAttr->nFirstChar + 1; // 0 код не используем
|
||
int nLastCode = pAttr->nLastChar;
|
||
|
||
int nCodesCount = nLastCode - nStartCode + 1;
|
||
|
||
if ( 8 == pAttr->nBitCount )
|
||
{
|
||
// Почему-то во многих CMap файлах идет разбивка по 100 элементов, поэтому сделаем также
|
||
if ( nCodesCount <= 100 )
|
||
{
|
||
nRet += ToUnicodeBuiltWriteBFChars( pToUnicode, pOut, nStartCode, nLastCode );
|
||
}
|
||
else
|
||
{
|
||
nRet += ToUnicodeBuiltWriteBFChars( pToUnicode, pOut, nStartCode, 100 );
|
||
if ( nCodesCount <= 200 )
|
||
{
|
||
nRet += ToUnicodeBuiltWriteBFChars( pToUnicode, pOut, 101, nLastCode );
|
||
}
|
||
else
|
||
{
|
||
nRet += ToUnicodeBuiltWriteBFChars( pToUnicode, pOut, 101, 200 );
|
||
nRet += ToUnicodeBuiltWriteBFChars( pToUnicode, pOut, 201, nLastCode );
|
||
}
|
||
}
|
||
}
|
||
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWriteInfo (PToUnicode pToUnicode, StreamRecPtr pOut)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
if ( ( nRet = StreamWriteStr( pOut, "/CIDSystemInfo\n<< /Registry (Adobe)\n /Ordering (UCS)\n /Supplement 0\n >> def\n/CMapName /Adobe-Identity-UCS def\n/CMapType 2 def\n" ) ) != OK )
|
||
return nRet;
|
||
|
||
return nRet;
|
||
}
|
||
unsigned long ToUnicodeBuiltWrite (PToUnicode pToUnicode, StreamRecPtr pOut)
|
||
{
|
||
unsigned long nRet = OK;
|
||
|
||
// Пока сделаем простую запись, которая необходима для поддержки ToUnicode в шрифтах
|
||
|
||
if ( ( nRet = ToUnicodeBuiltWriteHeader( pOut ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = ToUnicodeBuiltWriteInfo( pToUnicode, pOut ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = ToUnicodeBuiltWriteCodeSpaceRange( pToUnicode, pOut ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = ToUnicodeBuiltWriteBFChars( pToUnicode, pOut ) ) != OK )
|
||
return nRet;
|
||
if ( ( nRet = ToUnicodeBuiltWriteFooter( pOut ) ) != OK )
|
||
return nRet;
|
||
|
||
return nRet;
|
||
}
|
||
void ToUnicodeBuiltFree (PToUnicode pToUnicode)
|
||
{
|
||
FreeMem( pToUnicode->oMMgr, pToUnicode->pAttr );
|
||
pToUnicode->pAttr = NULL;
|
||
}
|
||
//-- ToUnicodeBuilt - Основные функции -----------------------------------------------------------
|
||
|
||
PToUnicode ToUnicodeBuiltNew (MMgr oMMgr, char *sName, unsigned int unBitCount /*= 8*/)
|
||
{
|
||
if ( NULL == oMMgr )
|
||
return NULL;
|
||
|
||
PToUnicode pToUnicode = (PToUnicode)GetMem( oMMgr, sizeof(ToUnicodeRec) );
|
||
if ( !pToUnicode )
|
||
return NULL;
|
||
|
||
UtilsMemSet( pToUnicode, 0, sizeof(ToUnicodeRec) );
|
||
UtilsStrCpy( pToUnicode->sName, sName, pToUnicode->sName + LIMIT_MAX_NAME_LEN );
|
||
|
||
pToUnicode->oMMgr = oMMgr;
|
||
pToUnicode->oError = oMMgr->oError;
|
||
pToUnicode->eType = ToUnicodeBuilt;
|
||
pToUnicode->pToUnicodeFn = ToUnicodeBuiltToUnicode;
|
||
pToUnicode->pWriteFn = ToUnicodeBuiltWrite;
|
||
pToUnicode->pFreeFn = ToUnicodeBuiltFree;
|
||
pToUnicode->pInitFn = NULL;
|
||
pToUnicode->nSigBytes = TO_UNICODE_SIG_BYTES;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)GetMem( pToUnicode->oMMgr, sizeof(ToUnicodeBuiltAttrRec) );
|
||
UtilsMemSet( pAttr, 0, sizeof(ToUnicodeBuiltAttrRec) );
|
||
|
||
if ( !pAttr )
|
||
{
|
||
FreeMem( oMMgr, pToUnicode );
|
||
return NULL;
|
||
}
|
||
|
||
pToUnicode->pAttr = pAttr;
|
||
for ( unsigned int nI = 0; nI <= 255; nI++)
|
||
{
|
||
for ( unsigned int nJ = 0; nJ <= 255; nJ++)
|
||
{
|
||
// неопределенные символы заменяются квадратами
|
||
pAttr->anUnicodeMap[nI][nJ] = 0x25A1;
|
||
}
|
||
}
|
||
|
||
pAttr->nFirstChar = -1;
|
||
pAttr->nLastChar = -1;
|
||
pAttr->nBitCount = unBitCount;
|
||
|
||
return pToUnicode;
|
||
}
|
||
void ToUnicodeBuiltSetUnicodeArray (PToUnicode pToUnicode, const UnicodeMapRec *pArray)
|
||
{
|
||
if ( ToUnicodeBuilt != pToUnicode->eType )
|
||
return;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
if ( NULL != pArray )
|
||
{
|
||
while ( 0xffff != pArray->nUnicode )
|
||
{
|
||
BYTE nLen = pArray->nCode;
|
||
BYTE nHei = pArray->nCode >> 8;
|
||
pAttr->anUnicodeMap[nLen][nHei] = pArray->nUnicode;
|
||
pArray++;
|
||
}
|
||
BYTE nLen = pArray->nCode;
|
||
BYTE nHei = pArray->nCode >> 8;
|
||
pAttr->anUnicodeMap[nLen][nHei] = pArray->nUnicode;
|
||
}
|
||
}
|
||
bool ToUnicodeUpdateUnicodeArray (PToUnicode pToUnicode, unsigned short *pArray, unsigned int unSize/* = 0*/)
|
||
{
|
||
if ( ToUnicodeBuilt != pToUnicode->eType )
|
||
return false;
|
||
|
||
ToUnicodeBuiltAttr pAttr = (ToUnicodeBuiltAttr)pToUnicode->pAttr;
|
||
|
||
if ( 8 != pAttr->nBitCount )
|
||
return false;
|
||
|
||
UnicodeMapRec* pResultArray = new UnicodeMapRec[257]; // 0-ой символ + 255 символов кодировки + 1 символ 0xFFFF
|
||
if ( !pResultArray )
|
||
return false;
|
||
|
||
int nIndex = 0;
|
||
|
||
pResultArray[0].nCode = 0;
|
||
pResultArray[0].nUnicode = 0x0000;
|
||
|
||
// Выставляем прежние значения
|
||
for ( nIndex = pAttr->nFirstChar + 1; nIndex <= pAttr->nLastChar; nIndex++ )
|
||
{
|
||
pResultArray[nIndex].nCode = nIndex;
|
||
pResultArray[nIndex].nUnicode = ToUnicodeToUnicode( pToUnicode, nIndex );
|
||
}
|
||
|
||
// Берем значения из нового массива
|
||
if ( NULL != pArray )
|
||
{
|
||
if ( 0 == unSize )
|
||
{
|
||
while( 0xFFFF != *pArray && nIndex < 256 )
|
||
{
|
||
if ( 0xFFFF == ToUnicodeToCode( pToUnicode, *pArray ) )
|
||
{
|
||
pResultArray[nIndex].nCode = nIndex;
|
||
pResultArray[nIndex].nUnicode = *pArray;
|
||
nIndex++;
|
||
}
|
||
pArray++;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
for ( unsigned int unCurIndex = 0; unCurIndex < unSize && nIndex < 256; unCurIndex++ )
|
||
{
|
||
if ( 0xFFFF == ToUnicodeToCode( pToUnicode, *pArray ) )
|
||
{
|
||
pResultArray[nIndex].nCode = nIndex;
|
||
pResultArray[nIndex].nUnicode = *pArray;
|
||
nIndex++;
|
||
}
|
||
pArray++;
|
||
}
|
||
}
|
||
}
|
||
|
||
if ( 255 < nIndex )
|
||
{
|
||
delete []pResultArray;
|
||
return false;
|
||
}
|
||
else
|
||
{
|
||
pResultArray[nIndex].nCode = nIndex;
|
||
pResultArray[nIndex].nUnicode = 0xFFFF;
|
||
ToUnicodeBuiltSetUnicodeArray( pToUnicode, pResultArray );
|
||
pAttr->nLastChar = nIndex - 1;
|
||
delete []pResultArray;
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
bool ToUnicodeWCharToString (PToUnicode pToUnicide, std::wstring sSrc, std::wstring & sResult)
|
||
{
|
||
// Данная функция проверяет все ли символы из usSrc присутствуют в данной кодировке;
|
||
// если присутствуют все, тогда в psDst записывается строка usSrc, в соответствии с данной кодировкой.
|
||
sResult = _T("");
|
||
int nLen = sSrc.length();
|
||
for ( int nIndex = 0; nIndex < nLen; nIndex++ )
|
||
{
|
||
//todooo КОНВЕРТАЦИЯ wchar32 -> wchar16
|
||
unsigned short unUnicodeChar = (unsigned short)sSrc.at( nIndex );
|
||
unsigned short unCode = ToUnicodeToCode( pToUnicide, unUnicodeChar );
|
||
if ( 0xFFFF == unCode )
|
||
return false;
|
||
else
|
||
sResult += wchar_t(unCode);
|
||
}
|
||
|
||
return true;
|
||
}
|