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Unified Diff: xfa/src/fgas/src/crt/fx_encode.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fgas/src/crt/fx_encode.cpp
diff --git a/xfa/src/fgas/src/crt/fx_encode.cpp b/xfa/src/fgas/src/crt/fx_encode.cpp
index f2c5acb1c184c43b97ff8e0169b7ca5a036db230..5c5d547eabbce85461a8511c268225e8ce76b23c 100644
--- a/xfa/src/fgas/src/crt/fx_encode.cpp
+++ b/xfa/src/fgas/src/crt/fx_encode.cpp
@@ -1,192 +1,192 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/src/fgas/src/fgas_base.h"
-void FX_SwapByteOrder(FX_WCHAR* pStr, int32_t iLength) {
- FXSYS_assert(pStr != NULL);
- if (iLength < 0) {
- iLength = FXSYS_wcslen(pStr);
- }
- FX_WORD wch;
- if (sizeof(FX_WCHAR) > 2) {
- while (iLength-- > 0) {
- wch = (FX_WORD)*pStr;
- wch = (wch >> 8) | (wch << 8);
- wch &= 0x00FF;
- *pStr++ = wch;
- }
- } else {
- while (iLength-- > 0) {
- wch = (FX_WORD)*pStr;
- wch = (wch >> 8) | (wch << 8);
- *pStr++ = wch;
- }
- }
-}
-void FX_SwapByteOrderCopy(const FX_WCHAR* pSrc,
- FX_WCHAR* pDst,
- int32_t iLength) {
- FXSYS_assert(pSrc != NULL && pDst != NULL);
- if (iLength < 0) {
- iLength = FXSYS_wcslen(pSrc);
- }
- FX_WORD wch;
- if (sizeof(FX_WCHAR) > 2) {
- while (iLength-- > 0) {
- wch = (FX_WORD)*pSrc++;
- wch = (wch >> 8) | (wch << 8);
- wch &= 0x00FF;
- *pDst++ = wch;
- }
- } else {
- while (iLength-- > 0) {
- wch = (FX_WORD)*pSrc++;
- wch = (wch >> 8) | (wch << 8);
- *pDst++ = wch;
- }
- }
-}
-void FX_UTF16ToWChar(void* pBuffer, int32_t iLength) {
- FXSYS_assert(pBuffer != NULL && iLength > 0);
- if (sizeof(FX_WCHAR) == 2) {
- return;
- }
- FX_WORD* pSrc = (FX_WORD*)pBuffer;
- FX_WCHAR* pDst = (FX_WCHAR*)pBuffer;
- while (--iLength >= 0) {
- pDst[iLength] = (FX_WCHAR)pSrc[iLength];
- }
-}
-void FX_UTF16ToWCharCopy(const FX_WORD* pUTF16,
- FX_WCHAR* pWChar,
- int32_t iLength) {
- FXSYS_assert(pUTF16 != NULL && pWChar != NULL && iLength > 0);
- if (sizeof(FX_WCHAR) == 2) {
- FXSYS_memcpy(pWChar, pUTF16, iLength * sizeof(FX_WCHAR));
- } else {
- while (--iLength >= 0) {
- pWChar[iLength] = (FX_WCHAR)pUTF16[iLength];
- }
- }
-}
-void FX_WCharToUTF16(void* pBuffer, int32_t iLength) {
- FXSYS_assert(pBuffer != NULL && iLength > 0);
- if (sizeof(FX_WCHAR) == 2) {
- return;
- }
- const FX_WCHAR* pSrc = (const FX_WCHAR*)pBuffer;
- FX_WORD* pDst = (FX_WORD*)pBuffer;
- while (--iLength >= 0) {
- *pDst++ = (FX_WORD)*pSrc++;
- }
-}
-void FX_WCharToUTF16Copy(const FX_WCHAR* pWChar,
- FX_WORD* pUTF16,
- int32_t iLength) {
- FXSYS_assert(pWChar != NULL && pUTF16 != NULL && iLength > 0);
- if (sizeof(FX_WCHAR) == 2) {
- FXSYS_memcpy(pUTF16, pWChar, iLength * sizeof(FX_WCHAR));
- } else {
- while (--iLength >= 0) {
- *pUTF16++ = (FX_WORD)*pWChar++;
- }
- }
-}
-inline FX_DWORD FX_DWordFromBytes(const uint8_t* pStr) {
- return FXBSTR_ID(pStr[3], pStr[2], pStr[1], pStr[0]);
-}
-inline FX_WORD FX_WordFromBytes(const uint8_t* pStr) {
- return (pStr[1] << 8 | pStr[0]);
-}
-int32_t FX_DecodeString(FX_WORD 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);
- FX_DWORD 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;
-}
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/src/fgas/src/fgas_base.h"
+void FX_SwapByteOrder(FX_WCHAR* pStr, int32_t iLength) {
+ FXSYS_assert(pStr != NULL);
+ if (iLength < 0) {
+ iLength = FXSYS_wcslen(pStr);
+ }
+ FX_WORD wch;
+ if (sizeof(FX_WCHAR) > 2) {
+ while (iLength-- > 0) {
+ wch = (FX_WORD)*pStr;
+ wch = (wch >> 8) | (wch << 8);
+ wch &= 0x00FF;
+ *pStr++ = wch;
+ }
+ } else {
+ while (iLength-- > 0) {
+ wch = (FX_WORD)*pStr;
+ wch = (wch >> 8) | (wch << 8);
+ *pStr++ = wch;
+ }
+ }
+}
+void FX_SwapByteOrderCopy(const FX_WCHAR* pSrc,
+ FX_WCHAR* pDst,
+ int32_t iLength) {
+ FXSYS_assert(pSrc != NULL && pDst != NULL);
+ if (iLength < 0) {
+ iLength = FXSYS_wcslen(pSrc);
+ }
+ FX_WORD wch;
+ if (sizeof(FX_WCHAR) > 2) {
+ while (iLength-- > 0) {
+ wch = (FX_WORD)*pSrc++;
+ wch = (wch >> 8) | (wch << 8);
+ wch &= 0x00FF;
+ *pDst++ = wch;
+ }
+ } else {
+ while (iLength-- > 0) {
+ wch = (FX_WORD)*pSrc++;
+ wch = (wch >> 8) | (wch << 8);
+ *pDst++ = wch;
+ }
+ }
+}
+void FX_UTF16ToWChar(void* pBuffer, int32_t iLength) {
+ FXSYS_assert(pBuffer != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ return;
+ }
+ FX_WORD* pSrc = (FX_WORD*)pBuffer;
+ FX_WCHAR* pDst = (FX_WCHAR*)pBuffer;
+ while (--iLength >= 0) {
+ pDst[iLength] = (FX_WCHAR)pSrc[iLength];
+ }
+}
+void FX_UTF16ToWCharCopy(const FX_WORD* pUTF16,
+ FX_WCHAR* pWChar,
+ int32_t iLength) {
+ FXSYS_assert(pUTF16 != NULL && pWChar != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ FXSYS_memcpy(pWChar, pUTF16, iLength * sizeof(FX_WCHAR));
+ } else {
+ while (--iLength >= 0) {
+ pWChar[iLength] = (FX_WCHAR)pUTF16[iLength];
+ }
+ }
+}
+void FX_WCharToUTF16(void* pBuffer, int32_t iLength) {
+ FXSYS_assert(pBuffer != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ return;
+ }
+ const FX_WCHAR* pSrc = (const FX_WCHAR*)pBuffer;
+ FX_WORD* pDst = (FX_WORD*)pBuffer;
+ while (--iLength >= 0) {
+ *pDst++ = (FX_WORD)*pSrc++;
+ }
+}
+void FX_WCharToUTF16Copy(const FX_WCHAR* pWChar,
+ FX_WORD* pUTF16,
+ int32_t iLength) {
+ FXSYS_assert(pWChar != NULL && pUTF16 != NULL && iLength > 0);
+ if (sizeof(FX_WCHAR) == 2) {
+ FXSYS_memcpy(pUTF16, pWChar, iLength * sizeof(FX_WCHAR));
+ } else {
+ while (--iLength >= 0) {
+ *pUTF16++ = (FX_WORD)*pWChar++;
+ }
+ }
+}
+inline FX_DWORD FX_DWordFromBytes(const uint8_t* pStr) {
+ return FXBSTR_ID(pStr[3], pStr[2], pStr[1], pStr[0]);
+}
+inline FX_WORD FX_WordFromBytes(const uint8_t* pStr) {
+ return (pStr[1] << 8 | pStr[0]);
+}
+int32_t FX_DecodeString(FX_WORD 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);
+ FX_DWORD 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;
+}
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