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path: root/xfa/fgas/crt/fgas_codepage.cpp
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Diffstat (limited to 'xfa/fgas/crt/fgas_codepage.cpp')
-rw-r--r--xfa/fgas/crt/fgas_codepage.cpp277
1 files changed, 220 insertions, 57 deletions
diff --git a/xfa/fgas/crt/fgas_codepage.cpp b/xfa/fgas/crt/fgas_codepage.cpp
index 7362a89d30..2087cac138 100644
--- a/xfa/fgas/crt/fgas_codepage.cpp
+++ b/xfa/fgas/crt/fgas_codepage.cpp
@@ -8,7 +8,24 @@
#include "xfa/fgas/crt/fgas_codepage.h"
#include "xfa/fgas/crt/fgas_language.h"
-static const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = {
+namespace {
+
+struct FX_STR2CPHASH {
+ uint32_t uHash;
+ uint16_t uCodePage;
+};
+
+struct FX_CHARSET_MAP {
+ uint16_t charset;
+ uint16_t codepage;
+};
+
+struct FX_LANG2CPMAP {
+ uint16_t wLanguage;
+ uint16_t wCodepage;
+};
+
+const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = {
{0, 1252}, {1, 0}, {2, 42}, {77, 10000}, {78, 10001},
{79, 10003}, {80, 10008}, {81, 10002}, {83, 10005}, {84, 10004},
{85, 10006}, {86, 10081}, {87, 10021}, {88, 10029}, {89, 10007},
@@ -17,24 +34,8 @@ static const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = {
{186, 1257}, {204, 1251}, {222, 874}, {238, 1250}, {254, 437},
{255, 850},
};
-uint16_t FX_GetCodePageFromCharset(uint8_t charset) {
- int32_t iEnd = sizeof(g_FXCharset2CodePageTable) / sizeof(FX_CHARSET_MAP) - 1;
- ASSERT(iEnd >= 0);
- int32_t iStart = 0, iMid;
- do {
- iMid = (iStart + iEnd) / 2;
- const FX_CHARSET_MAP& cp = g_FXCharset2CodePageTable[iMid];
- if (charset == cp.charset) {
- return cp.codepage;
- } else if (charset < cp.charset) {
- iEnd = iMid - 1;
- } else {
- iStart = iMid + 1;
- }
- } while (iStart <= iEnd);
- return 0xFFFF;
-}
-static const FX_CHARSET_MAP g_FXCodepage2CharsetTable[] = {
+
+const FX_CHARSET_MAP g_FXCodepage2CharsetTable[] = {
{1, 0}, {2, 42}, {254, 437}, {255, 850}, {222, 874},
{128, 932}, {134, 936}, {129, 949}, {136, 950}, {238, 1250},
{204, 1251}, {0, 1252}, {161, 1253}, {162, 1254}, {177, 1255},
@@ -43,23 +44,7 @@ static const FX_CHARSET_MAP g_FXCodepage2CharsetTable[] = {
{84, 10004}, {85, 10006}, {86, 10081}, {87, 10021}, {88, 10029},
{89, 10007},
};
-uint16_t FX_GetCharsetFromCodePage(uint16_t codepage) {
- int32_t iEnd = sizeof(g_FXCodepage2CharsetTable) / sizeof(FX_CHARSET_MAP) - 1;
- ASSERT(iEnd >= 0);
- int32_t iStart = 0, iMid;
- do {
- iMid = (iStart + iEnd) / 2;
- const FX_CHARSET_MAP& cp = g_FXCodepage2CharsetTable[iMid];
- if (codepage == cp.codepage) {
- return cp.charset;
- } else if (codepage < cp.codepage) {
- iEnd = iMid - 1;
- } else {
- iStart = iMid + 1;
- }
- } while (iStart <= iEnd);
- return 0xFFFF;
-}
+
const FX_LANG2CPMAP g_FXLang2CodepageTable[] = {
{FX_LANG_Arabic_SaudiArabia, FX_CODEPAGE_MSWin_Arabic},
{FX_LANG_Bulgarian_Bulgaria, FX_CODEPAGE_MSWin_Cyrillic},
@@ -197,24 +182,8 @@ const FX_LANG2CPMAP g_FXLang2CodepageTable[] = {
{FX_LANG_Spanish_Nicaragua, FX_CODEPAGE_MSWin_WesternEuropean},
{FX_LANG_Spanish_PuertoRico, FX_CODEPAGE_MSWin_WesternEuropean},
};
-uint16_t FX_GetDefCodePageByLanguage(uint16_t wLanguage) {
- int32_t iEnd = sizeof(g_FXLang2CodepageTable) / sizeof(FX_LANG2CPMAP) - 1;
- ASSERT(iEnd >= 0);
- int32_t iStart = 0, iMid;
- do {
- iMid = (iStart + iEnd) / 2;
- const FX_LANG2CPMAP& cp = g_FXLang2CodepageTable[iMid];
- if (wLanguage == cp.wLanguage) {
- return cp.wCodepage;
- } else if (wLanguage < cp.wLanguage) {
- iEnd = iMid - 1;
- } else {
- iStart = iMid + 1;
- }
- } while (iStart <= iEnd);
- return 0xFFFF;
-}
-static const FX_STR2CPHASH g_FXCPHashTable[] = {
+
+const FX_STR2CPHASH g_FXCPHashTable[] = {
{0xd45, 0x6faf}, {0xd46, 0x6fb0}, {0xd47, 0x6fb1},
{0xd48, 0x6fb2}, {0xd49, 0x4e6}, {0xd4d, 0x6fbd},
{0xe9e, 0x4e4}, {0xc998, 0x1b5}, {0x18ef0, 0x3a8},
@@ -301,7 +270,8 @@ static const FX_STR2CPHASH g_FXCPHashTable[] = {
{0xf3d463c2, 0x3a4}, {0xf52a70a3, 0xc42e}, {0xf5693147, 0x6fb3},
{0xf637e157, 0x478}, {0xfc213f3a, 0x2717}, {0xff654d14, 0x3b5},
};
-uint16_t FX_GetCodePageFromStringA(const FX_CHAR* pStr, int32_t iLength) {
+
+uint16_t GetCodePageFromStringA(const FX_CHAR* pStr, int32_t iLength) {
ASSERT(pStr != NULL);
if (iLength < 0) {
iLength = FXSYS_strlen(pStr);
@@ -326,7 +296,64 @@ uint16_t FX_GetCodePageFromStringA(const FX_CHAR* pStr, int32_t iLength) {
} while (iStart <= iEnd);
return 0xFFFF;
}
-uint16_t FX_GetCodePageFormStringW(const FX_WCHAR* pStr, int32_t iLength) {
+
+} // namespace
+
+uint16_t FX_GetCodePageFromCharset(uint8_t charset) {
+ int32_t iEnd = sizeof(g_FXCharset2CodePageTable) / sizeof(FX_CHARSET_MAP) - 1;
+ ASSERT(iEnd >= 0);
+ int32_t iStart = 0, iMid;
+ do {
+ iMid = (iStart + iEnd) / 2;
+ const FX_CHARSET_MAP& cp = g_FXCharset2CodePageTable[iMid];
+ if (charset == cp.charset) {
+ return cp.codepage;
+ } else if (charset < cp.charset) {
+ iEnd = iMid - 1;
+ } else {
+ iStart = iMid + 1;
+ }
+ } while (iStart <= iEnd);
+ return 0xFFFF;
+}
+
+uint16_t FX_GetCharsetFromCodePage(uint16_t codepage) {
+ int32_t iEnd = sizeof(g_FXCodepage2CharsetTable) / sizeof(FX_CHARSET_MAP) - 1;
+ ASSERT(iEnd >= 0);
+ int32_t iStart = 0, iMid;
+ do {
+ iMid = (iStart + iEnd) / 2;
+ const FX_CHARSET_MAP& cp = g_FXCodepage2CharsetTable[iMid];
+ if (codepage == cp.codepage) {
+ return cp.charset;
+ } else if (codepage < cp.codepage) {
+ iEnd = iMid - 1;
+ } else {
+ iStart = iMid + 1;
+ }
+ } while (iStart <= iEnd);
+ return 0xFFFF;
+}
+
+uint16_t FX_GetDefCodePageByLanguage(uint16_t wLanguage) {
+ int32_t iEnd = sizeof(g_FXLang2CodepageTable) / sizeof(FX_LANG2CPMAP) - 1;
+ ASSERT(iEnd >= 0);
+ int32_t iStart = 0, iMid;
+ do {
+ iMid = (iStart + iEnd) / 2;
+ const FX_LANG2CPMAP& cp = g_FXLang2CodepageTable[iMid];
+ if (wLanguage == cp.wLanguage) {
+ return cp.wCodepage;
+ } else if (wLanguage < cp.wLanguage) {
+ iEnd = iMid - 1;
+ } else {
+ iStart = iMid + 1;
+ }
+ } while (iStart <= iEnd);
+ return 0xFFFF;
+}
+
+uint16_t FX_GetCodePageFromStringW(const FX_WCHAR* pStr, int32_t iLength) {
if (iLength < 0) {
iLength = FXSYS_wcslen(pStr);
}
@@ -339,5 +366,141 @@ uint16_t FX_GetCodePageFormStringW(const FX_WCHAR* pStr, int32_t iLength) {
*pBuf++ = (FX_CHAR)*pStr++;
}
csStr.ReleaseBuffer(iLength);
- return FX_GetCodePageFromStringA(csStr.c_str(), iLength);
+ return GetCodePageFromStringA(csStr.c_str(), iLength);
+}
+
+void FX_SwapByteOrder(FX_WCHAR* pStr, int32_t iLength) {
+ ASSERT(pStr != NULL);
+ if (iLength < 0) {
+ iLength = FXSYS_wcslen(pStr);
+ }
+ uint16_t wch;
+ if (sizeof(FX_WCHAR) > 2) {
+ while (iLength-- > 0) {
+ wch = (uint16_t)*pStr;
+ wch = (wch >> 8) | (wch << 8);
+ wch &= 0x00FF;
+ *pStr++ = wch;
+ }
+ } else {
+ while (iLength-- > 0) {
+ wch = (uint16_t)*pStr;
+ wch = (wch >> 8) | (wch << 8);
+ *pStr++ = wch;
+ }
+ }
+}
+
+void FX_UTF16ToWChar(void* pBuffer, int32_t iLength) {
+ ASSERT(pBuffer != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ return;
+ }
+ uint16_t* pSrc = (uint16_t*)pBuffer;
+ FX_WCHAR* pDst = (FX_WCHAR*)pBuffer;
+ while (--iLength >= 0) {
+ pDst[iLength] = (FX_WCHAR)pSrc[iLength];
+ }
+}
+
+void FX_WCharToUTF16(void* pBuffer, int32_t iLength) {
+ ASSERT(pBuffer != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ return;
+ }
+ const FX_WCHAR* pSrc = (const FX_WCHAR*)pBuffer;
+ uint16_t* pDst = (uint16_t*)pBuffer;
+ while (--iLength >= 0) {
+ *pDst++ = (uint16_t)*pSrc++;
+ }
+}
+
+int32_t FX_DecodeString(uint16_t wCodePage,
+ const FX_CHAR* pSrc,
+ int32_t* pSrcLen,
+ FX_WCHAR* pDst,
+ int32_t* pDstLen,
+ FX_BOOL bErrBreak) {
+ if (wCodePage == FX_CODEPAGE_UTF8) {
+ return FX_UTF8Decode(pSrc, pSrcLen, pDst, pDstLen);
+ }
+ return -1;
+}
+int32_t FX_UTF8Decode(const FX_CHAR* pSrc,
+ int32_t* pSrcLen,
+ FX_WCHAR* pDst,
+ int32_t* pDstLen) {
+ if (pSrcLen == NULL || pDstLen == NULL) {
+ return -1;
+ }
+ int32_t iSrcLen = *pSrcLen;
+ if (iSrcLen < 1) {
+ *pSrcLen = *pDstLen = 0;
+ return 1;
+ }
+ int32_t iDstLen = *pDstLen;
+ FX_BOOL bValidDst = (pDst != NULL && iDstLen > 0);
+ uint32_t dwCode = 0;
+ int32_t iPending = 0;
+ int32_t iSrcNum = 0, iDstNum = 0;
+ int32_t k = 0;
+ int32_t iIndex = 0;
+ k = 1;
+ while (iIndex < iSrcLen) {
+ uint8_t byte = (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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:52:16 +0000