diff options
Diffstat (limited to 'xfa/src/fgas/src/crt/fx_system.cpp')
| -rw-r--r-- | xfa/src/fgas/src/crt/fx_system.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/xfa/src/fgas/src/crt/fx_system.cpp b/xfa/src/fgas/src/crt/fx_system.cpp new file mode 100644 index 0000000000..c8e4407a79 --- /dev/null +++ b/xfa/src/fgas/src/crt/fx_system.cpp @@ -0,0 +1,236 @@ +// 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 "../fgas_base.h"
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_WIN64_
+#include <io.h>
+#elif _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_LINUX_Mini_
+#include <sys/times.h>
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+FX_FLOAT FX_tan(FX_FLOAT a)
+{
+ return (FX_FLOAT)tan(a);
+}
+FX_FLOAT FX_log(FX_FLOAT b, FX_FLOAT x)
+{
+ return FXSYS_log(x) / FXSYS_log(b);
+}
+FX_LPWSTR FX_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count)
+{
+ FXSYS_assert(dstStr != NULL && srcStr != NULL && count > 0);
+ for (size_t i = 0; i < count; ++i)
+ if ((dstStr[i] = srcStr[i]) == L'\0') {
+ break;
+ }
+ return dstStr;
+}
+FX_INT32 FX_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count)
+{
+ FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
+ FX_WCHAR wch1 = 0, wch2 = 0;
+ while (count-- > 0) {
+ wch1 = (FX_WCHAR)FX_tolower(*s1++);
+ wch2 = (FX_WCHAR)FX_tolower(*s2++);
+ if (wch1 != wch2) {
+ break;
+ }
+ }
+ return wch1 - wch2;
+}
+FX_INT32 FX_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count)
+{
+ FXSYS_assert(s1 != NULL && s2 != NULL && count > 0);
+ FX_CHAR ch1 = 0, ch2 = 0;
+ while (count-- > 0) {
+ ch1 = (FX_CHAR)FX_tolower(*s1++);
+ ch2 = (FX_CHAR)FX_tolower(*s2++);
+ if (ch1 != ch2) {
+ break;
+ }
+ }
+ return ch1 - ch2;
+}
+FX_INT32 FX_filelength(FXSYS_FILE *file)
+{
+ FXSYS_assert(file != NULL);
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
+ return _filelength(_fileno(file));
+#else
+ FX_INT32 iPos = FXSYS_ftell(file);
+ FXSYS_fseek(file, 0, FXSYS_SEEK_END);
+ FX_INT32 iLen = FXSYS_ftell(file);
+ FXSYS_fseek(file, iPos, FXSYS_SEEK_SET);
+ return iLen;
+#endif
+}
+FX_BOOL FX_fsetsize(FXSYS_FILE *file, FX_INT32 size)
+{
+ FXSYS_assert(file != NULL);
+#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
+ return _chsize(_fileno(file), size) == 0;
+#elif _FX_OS_ == _FX_WIN32_MOBILE_
+ HANDLE hFile = _fileno(file);
+ FX_DWORD dwPos = ::SetFilePointer(hFile, 0, 0, FILE_CURRENT);
+ ::SetFilePointer(hFile, size, 0, FILE_BEGIN);
+ FX_BOOL bRet = ::SetEndOfFile(hFile);
+ ::SetFilePointer(hFile, (FX_INT32)dwPos, 0, FILE_BEGIN);
+ return bRet;
+#else
+ return FALSE;
+#endif
+}
+FX_FLOAT FX_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength , FX_INT32 *pUsedLen )
+{
+ FXSYS_assert(pcsStr != NULL);
+ if (iLength < 0) {
+ iLength = FXSYS_strlen(pcsStr);
+ }
+ return FX_wcstof(CFX_WideString::FromLocal(pcsStr, iLength), iLength, pUsedLen);
+}
+FX_FLOAT FX_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength , FX_INT32 *pUsedLen )
+{
+ FXSYS_assert(pwsStr != NULL);
+ if (iLength < 0) {
+ iLength = FXSYS_wcslen(pwsStr);
+ }
+ if (iLength == 0) {
+ return 0.0f;
+ }
+ FX_INT32 iUsedLen = 0;
+ FX_BOOL bNegtive = FALSE;
+ switch (pwsStr[iUsedLen]) {
+ case '-':
+ bNegtive = TRUE;
+ case '+':
+ iUsedLen++;
+ break;
+ }
+ FX_FLOAT fValue = 0.0f;
+ while (iUsedLen < iLength) {
+ FX_WCHAR wch = pwsStr[iUsedLen];
+ if (wch >= L'0' && wch <= L'9') {
+ fValue = fValue * 10.0f + (wch - L'0');
+ } else {
+ break;
+ }
+ iUsedLen++;
+ }
+ if (iUsedLen < iLength && pwsStr[iUsedLen] == L'.') {
+ FX_FLOAT fPrecise = 0.1f;
+ while (++iUsedLen < iLength) {
+ FX_WCHAR wch = pwsStr[iUsedLen];
+ if (wch >= L'0' && wch <= L'9') {
+ fValue += (wch - L'0') * fPrecise;
+ fPrecise *= 0.1f;
+ } else {
+ break;
+ }
+ }
+ }
+ if (pUsedLen) {
+ *pUsedLen = iUsedLen;
+ }
+ return bNegtive ? -fValue : fValue;
+}
+void FX_memset(FX_LPVOID pBuf, FX_INT32 iValue, size_t size)
+{
+ FXSYS_assert(pBuf != NULL && size > 0 && (size & 0x03) == 0);
+ FXSYS_assert((((size_t)pBuf) & 0x03) == 0);
+ FX_DWORD *pStart = (FX_DWORD*)pBuf;
+ FX_DWORD *pEnd = pStart + (size >> 2);
+ while (pStart < pEnd) {
+ *pStart ++ = iValue;
+ }
+}
+void FX_memcpy(FX_LPVOID pDst, FX_LPCVOID pSrc, size_t size)
+{
+ FXSYS_assert(pDst != NULL && pSrc != NULL && size > 0 && (size & 0x03) == 0);
+ FXSYS_assert((((size_t)pDst) & 0x03) == 0 && (((size_t)pSrc) & 0x03) == 0);
+ FX_DWORD *pStart = (FX_DWORD*)pDst;
+ FX_DWORD *pEnd = pStart + (size >> 2);
+ FX_DWORD *pValue = (FX_DWORD*)pSrc;
+ while (pStart < pEnd) {
+ *pStart ++ = *pValue ++;
+ }
+}
+FX_BOOL FX_IsRelativePath(const CFX_WideStringC &wsUrl)
+{
+ FX_INT32 iUrlLen = wsUrl.GetLength();
+ if (iUrlLen == 0) {
+ return TRUE;
+ }
+ for (FX_INT32 i = FX_MIN(5, iUrlLen) - 1; i >= 0; --i)
+ if (wsUrl.GetAt(i) == ':') {
+ return FALSE;
+ }
+ return TRUE;
+}
+FX_BOOL FX_JoinPath(const CFX_WideStringC &wsBasePath, const CFX_WideStringC &wsRelativePath, CFX_WideString &wsAbsolutePath)
+{
+ if (!FX_IsRelativePath(wsRelativePath)) {
+ wsAbsolutePath = wsRelativePath;
+ return TRUE;
+ }
+ FX_LPCWSTR pRelStart = wsRelativePath.GetPtr();
+ FX_LPCWSTR pRelEnd = pRelStart + wsRelativePath.GetLength();
+ if (pRelStart < pRelEnd) {
+ switch (*pRelStart) {
+ case '#':
+ wsAbsolutePath = CFX_WideString(wsBasePath, wsRelativePath);
+ return wsAbsolutePath.GetLength() > 0;
+ case '/':
+ case '\\':
+ wsAbsolutePath = wsRelativePath;
+ return wsAbsolutePath.GetLength() > 0;
+ }
+ }
+ FX_INT32 nBackCount = 0;
+ for(;;) {
+ if (pRelStart >= pRelEnd) {
+ wsAbsolutePath = wsBasePath;
+ return TRUE;
+ }
+ if (*pRelStart != '.') {
+ break;
+ }
+ if (pRelStart + 1 < pRelEnd &&
+ (pRelStart[1] == '/' || pRelStart[1] == '\\')) {
+ pRelStart += 2;
+ } else if (pRelStart + 2 < pRelEnd
+ && pRelStart[1] == '.'
+ && (pRelStart[2] == '/' || pRelStart[2] == '\\')) {
+ pRelStart += 3;
+ nBackCount++;
+ } else {
+ return FALSE;
+ }
+ }
+ FX_LPCWSTR pBaseStart = wsBasePath.GetPtr();
+ FX_LPCWSTR pBaseEnd = pBaseStart + wsBasePath.GetLength();
+ while(pBaseStart < (--pBaseEnd) && *pBaseEnd != '/' && *pBaseEnd != '\\')
+ ;
+ if (pBaseStart == pBaseEnd) {
+ wsAbsolutePath = CFX_WideStringC(pRelStart, pRelEnd - pRelStart);
+ return wsAbsolutePath.GetLength() > 0;
+ }
+ while (nBackCount > 0) {
+ if (pBaseStart >= (--pBaseEnd)) {
+ return FALSE;
+ } else if (*pBaseEnd == '/' || *pBaseEnd == '\\')
+ if ((--nBackCount) <= 0) {
+ break;
+ }
+ }
+ wsAbsolutePath = CFX_WideString(CFX_WideStringC(pBaseStart, pBaseEnd - pBaseStart + 1),
+ CFX_WideStringC(pRelStart, pRelEnd - pRelStart));
+ return wsAbsolutePath.GetLength() > 0;
+}
+#ifdef __cplusplus
+};
+#endif
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