diff options
Diffstat (limited to 'xfa/fgas/crt/fgas_codepage.cpp')
-rw-r--r-- | xfa/fgas/crt/fgas_codepage.cpp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/xfa/fgas/crt/fgas_codepage.cpp b/xfa/fgas/crt/fgas_codepage.cpp index cae2dd7234..c1a4322883 100644 --- a/xfa/fgas/crt/fgas_codepage.cpp +++ b/xfa/fgas/crt/fgas_codepage.cpp @@ -68,127 +68,3 @@ uint16_t FX_GetCodePageFromCharset(uint8_t charset) { } while (iStart <= iEnd); return 0xFFFF; } - -void FX_SwapByteOrder(wchar_t* pStr, int32_t iLength) { - ASSERT(pStr); - - if (iLength < 0) - iLength = FXSYS_wcslen(pStr); - - uint16_t wch; - if (sizeof(wchar_t) > 2) { - while (iLength-- > 0) { - wch = (uint16_t)*pStr; - wch = (wch >> 8) | (wch << 8); - wch &= 0x00FF; - *pStr++ = wch; - } - return; - } - - while (iLength-- > 0) { - wch = (uint16_t)*pStr; - wch = (wch >> 8) | (wch << 8); - *pStr++ = wch; - } -} - -void FX_UTF16ToWChar(void* pBuffer, int32_t iLength) { - ASSERT(pBuffer && iLength > 0); - if (sizeof(wchar_t) == 2) - return; - - uint16_t* pSrc = static_cast<uint16_t*>(pBuffer); - wchar_t* pDst = static_cast<wchar_t*>(pBuffer); - while (--iLength >= 0) - pDst[iLength] = static_cast<wchar_t>(pSrc[iLength]); -} - -int32_t FX_DecodeString(uint16_t wCodePage, - const char* pSrc, - int32_t* pSrcLen, - wchar_t* pDst, - int32_t* pDstLen, - bool bErrBreak) { - if (wCodePage == FX_CODEPAGE_UTF8) - return FX_UTF8Decode(pSrc, pSrcLen, pDst, pDstLen); - return -1; -} - -int32_t FX_UTF8Decode(const char* pSrc, - int32_t* pSrcLen, - wchar_t* pDst, - int32_t* pDstLen) { - if (!pSrcLen || !pDstLen) - return -1; - - int32_t iSrcLen = *pSrcLen; - if (iSrcLen < 1) { - *pSrcLen = *pDstLen = 0; - return 1; - } - - int32_t iDstLen = *pDstLen; - bool bValidDst = (pDst && iDstLen > 0); - uint32_t dwCode = 0; - int32_t iPending = 0; - int32_t iSrcNum = 0; - int32_t iDstNum = 0; - int32_t iIndex = 0; - int32_t k = 1; - while (iIndex < iSrcLen) { - uint8_t byte = static_cast<uint8_t>(*(pSrc + iIndex)); - if (byte < 0x80) { - iPending = 0; - k = 1; - iDstNum++; - iSrcNum += k; - if (bValidDst) { - *pDst++ = byte; - if (iDstNum >= iDstLen) - break; - } - } else if (byte < 0xc0) { - if (iPending < 1) - break; - - iPending--; - dwCode |= (byte & 0x3f) << (iPending * 6); - if (iPending == 0) { - iDstNum++; - iSrcNum += k; - if (bValidDst) { - *pDst++ = dwCode; - if (iDstNum >= iDstLen) - break; - } - } - } else if (byte < 0xe0) { - iPending = 1; - k = 2; - dwCode = (byte & 0x1f) << 6; - } else if (byte < 0xf0) { - iPending = 2; - k = 3; - dwCode = (byte & 0x0f) << 12; - } else if (byte < 0xf8) { - iPending = 3; - k = 4; - dwCode = (byte & 0x07) << 18; - } else if (byte < 0xfc) { - iPending = 4; - k = 5; - dwCode = (byte & 0x03) << 24; - } else if (byte < 0xfe) { - iPending = 5; - k = 6; - dwCode = (byte & 0x01) << 30; - } else { - break; - } - iIndex++; - } - *pSrcLen = iSrcNum; - *pDstLen = iDstNum; - return 1; -} |