mirror of
https://github.com/ONLYOFFICE/core.git
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0ddbb6af9f
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@62389 954022d7-b5bf-4e40-9824-e11837661b57
184 lines
6.6 KiB
C++
184 lines
6.6 KiB
C++
#ifndef _BUILD_STRING_CROSSPLATFORM_H_
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#define _BUILD_STRING_CROSSPLATFORM_H_
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#include "CPEncodings/CodePage.h"
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namespace NSString
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{
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#define NSSTRING_COMMON_CP(UnicodeMapCP, lCount, pData) \
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for (long i = 0; i < lCount; ++i)\
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{\
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unsigned char unChar = (unsigned char)pData[i];\
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if (unChar < MSCP_FIRST_CHAR || unChar > MSCP_LAST_CHAR)\
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pUnicode[i] = (wchar_t)unChar;\
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else\
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pUnicode[i] = (wchar_t)(UnicodeMapCP[unChar - MSCP_FIRST_CHAR]);\
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}
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// end define
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#define NSSTRING_WITHLEADBYTE_CP(LEAD_CHAR, UnicodeMapCP, UnicodeMapWithLeadByte, lCount, pData) \
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{\
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int nLeadByte = -1;\
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for (long i = 0; i < lCount; i++)\
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{\
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unsigned char unCode = (unsigned char)pData[i];\
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unsigned short ushUnicode = UnicodeMapCP[unCode];\
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if (-1 == nLeadByte)\
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{\
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if (LEAD_CHAR != ushUnicode)\
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{\
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pUnicode[i] = ushUnicode;\
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nLeadByte = -1;\
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}\
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else\
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{\
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nLeadByte = ushUnicode;\
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}\
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}\
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else\
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{\
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unsigned short ushCode = (nLeadByte << 16) | ushUnicode;\
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pUnicode[i] = 0x0020;\
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TCodePagePair *pPair = (TCodePagePair*)UnicodeMapWithLeadByte;\
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while(0xFFFF != pPair->ushCode)\
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{\
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if (ushCode == pPair->ushCode)\
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{\
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pUnicode[i] = pPair->ushUnicode;\
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break;\
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}\
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pPair++;\
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}\
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}\
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}\
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}
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// end define
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class CConverter
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{
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public:
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typedef enum
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{
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SINGLE_BYTE_ENCODING_DEFAULT = 0x01, // DEFAULT_CHARSET 1 (x01)
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SINGLE_BYTE_ENCODING_SYMBOL = 0x02, // SYMBOL_CHARSET 2 (x02)
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SINGLE_BYTE_ENCODING_CP1252 = 0x00, // ANSI_CHARSET 0 (x00)
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SINGLE_BYTE_ENCODING_CP1251 = 0xCC, // RUSSIAN_CHARSET 204 (xCC)
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SINGLE_BYTE_ENCODING_CP1250 = 0xEE, // EASTEUROPE_CHARSET 238 (xEE)
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SINGLE_BYTE_ENCODING_CP1253 = 0xA1, // GREEK_CHARSET 161 (xA1)
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SINGLE_BYTE_ENCODING_CP1254 = 0xA2, // TURKISH_CHARSET 162 (xA2)
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SINGLE_BYTE_ENCODING_CP1257 = 0xBA, // BALTIC_CHARSET 186 (xBA)
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SINGLE_BYTE_ENCODING_CP1255 = 0xB1, // HEBREW_CHARSET 177 (xB1)
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SINGLE_BYTE_ENCODING_CP1256 = 0xB2, // ARABIC _CHARSET 178 (xB2)
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SINGLE_BYTE_ENCODING_CP932 = 0x80, // SHIFTJIS_CHARSET 128 (x80)
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SINGLE_BYTE_ENCODING_CP949 = 0x81, // HANGEUL_CHARSET 129 (x81)
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SINGLE_BYTE_ENCODING_CP936 = 0x86, // GB2313_CHARSET 134 (x86)
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SINGLE_BYTE_ENCODING_CP950 = 0x88, // CHINESEBIG5_CHARSET 136 (x88)
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SINGLE_BYTE_ENCODING_CP874 = 0xDE, // THAI_CHARSET 222 (xDE)
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SINGLE_BYTE_ENCODING_CP1361 = 0x82, // JOHAB_CHARSET 130 (x82)
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SINGLE_BYTE_ENCODING_CP1258 = 0xA3, // VIETNAMESE_CHARSET 163 (xA3)
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SINGLE_BYTE_ENCODING_CP866 = 0xFF // OEM_CHARSET 255 (xFF) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> OEM <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CP866
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} ESingleByteEncoding;
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static std::wstring GetUnicodeFromSingleByteString(const unsigned char* pData, long lCount, ESingleByteEncoding eType = SINGLE_BYTE_ENCODING_DEFAULT)
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{
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wchar_t* pUnicode = new wchar_t[lCount + 1];
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if (!pUnicode)
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return std::wstring(L"");
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switch (eType)
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{
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default:
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case SINGLE_BYTE_ENCODING_DEFAULT:
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{
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for (long i = 0; i < lCount; ++i)
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pUnicode[i] = (wchar_t)(unsigned char)pData[i];
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break;
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}
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case SINGLE_BYTE_ENCODING_SYMBOL:
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0xF000 <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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for (long i = 0; i < lCount; ++i)
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{
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pUnicode[i] = (wchar_t)(0xF000 | (unsigned char)pData[i]);
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}
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break;
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}
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case SINGLE_BYTE_ENCODING_CP866: NSSTRING_COMMON_CP(c_anUnicodeMapCP866, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP874: NSSTRING_COMMON_CP(c_anUnicodeMapCP874, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1250: NSSTRING_COMMON_CP(c_anUnicodeMapCP1250, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1251: NSSTRING_COMMON_CP(c_anUnicodeMapCP1251, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1252: NSSTRING_COMMON_CP(c_anUnicodeMapCP1252, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1253: NSSTRING_COMMON_CP(c_anUnicodeMapCP1253, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1254: NSSTRING_COMMON_CP(c_anUnicodeMapCP1254, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1255: NSSTRING_COMMON_CP(c_anUnicodeMapCP1255, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1256: NSSTRING_COMMON_CP(c_anUnicodeMapCP1256, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1257: NSSTRING_COMMON_CP(c_anUnicodeMapCP1257, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1258: NSSTRING_COMMON_CP(c_anUnicodeMapCP1258, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP932: NSSTRING_WITHLEADBYTE_CP(MSCP932_LEAD_CHAR, c_anUnicodeMapCP932, c_aoUnicodeMapCP932WithLeadByte, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP936: NSSTRING_WITHLEADBYTE_CP(MSCP936_LEAD_CHAR, c_anUnicodeMapCP936, c_aoUnicodeMapCP936WithLeadByte, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP949: NSSTRING_WITHLEADBYTE_CP(MSCP949_LEAD_CHAR, c_anUnicodeMapCP949, c_aoUnicodeMapCP949WithLeadByte, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP950: NSSTRING_WITHLEADBYTE_CP(MSCP950_LEAD_CHAR, c_anUnicodeMapCP950, c_aoUnicodeMapCP950WithLeadByte, lCount, pData); break;
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case SINGLE_BYTE_ENCODING_CP1361:NSSTRING_WITHLEADBYTE_CP(MSCP1361_LEAD_CHAR, c_anUnicodeMapCP1361, c_aoUnicodeMapCP1361WithLeadByte, lCount, pData); break;
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}
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pUnicode[lCount] = 0;
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std::wstring s(pUnicode, lCount);
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if (pUnicode)
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delete[] pUnicode;
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return s;
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}
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static std::wstring GetUnicodeFromUTF16(const unsigned short* pData, long lCount)
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{
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if (0 == lCount)
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return L"";
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if (2 == sizeof(wchar_t))
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return std::wstring((wchar_t*)pData, lCount);
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wchar_t* pUnicode = new wchar_t[lCount + 1];
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if (!pUnicode)
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return L"";
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wchar_t* pCur = pUnicode;
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int nCurPos = 0;
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while (nCurPos < lCount)
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{
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int nLeading = pData[nCurPos]; nCurPos++;
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if (nLeading < 0xD800 || nLeading > 0xDFFF)
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{
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*pCur = (wchar_t)nLeading;
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pCur++;
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}
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else
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{
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if (nCurPos >= lCount)
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break;
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int nTrailing = pData[nCurPos]; nCurPos++;
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if (nTrailing >= 0xDC00 && nTrailing <= 0xDFFF)
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{
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*pCur = (wchar_t)(((nLeading & 0x03FF) << 10) | (nTrailing & 0x03FF));
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pCur++;
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}
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}
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}
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if (0 == pCur - pUnicode)
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return L"";
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std::wstring sRet(pUnicode, pCur - pUnicode);
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if (pUnicode)
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delete[] pUnicode;
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return sRet;
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}
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};
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};
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#endif // _BUILD_STRING_CROSSPLATFORM_H_
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