diff options
Diffstat (limited to 'core/src/fxcrt/fx_extension.cpp')
| -rw-r--r-- | core/src/fxcrt/fx_extension.cpp | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/core/src/fxcrt/fx_extension.cpp b/core/src/fxcrt/fx_extension.cpp deleted file mode 100644 index 09414cb0c0..0000000000 --- a/core/src/fxcrt/fx_extension.cpp +++ /dev/null @@ -1,388 +0,0 @@ -// 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 "core/include/fxcrt/fx_basic.h" -#include "core/include/fxcrt/fx_ext.h" -#include "core/src/fxcrt/extension.h" - -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ -#include <wincrypt.h> -#else -#include <ctime> -#endif - -CFX_CRTFileStream::CFX_CRTFileStream(IFXCRT_FileAccess* pFA) - : m_pFile(pFA), m_dwCount(1) {} - -CFX_CRTFileStream::~CFX_CRTFileStream() { - if (m_pFile) { - m_pFile->Release(); - } -} - -IFX_FileStream* CFX_CRTFileStream::Retain() { - m_dwCount++; - return this; -} - -void CFX_CRTFileStream::Release() { - FX_DWORD nCount = --m_dwCount; - if (!nCount) { - delete this; - } -} - -FX_FILESIZE CFX_CRTFileStream::GetSize() { - return m_pFile->GetSize(); -} - -FX_BOOL CFX_CRTFileStream::IsEOF() { - return GetPosition() >= GetSize(); -} - -FX_FILESIZE CFX_CRTFileStream::GetPosition() { - return m_pFile->GetPosition(); -} - -FX_BOOL CFX_CRTFileStream::ReadBlock(void* buffer, - FX_FILESIZE offset, - size_t size) { - return (FX_BOOL)m_pFile->ReadPos(buffer, size, offset); -} - -size_t CFX_CRTFileStream::ReadBlock(void* buffer, size_t size) { - return m_pFile->Read(buffer, size); -} - -FX_BOOL CFX_CRTFileStream::WriteBlock(const void* buffer, - FX_FILESIZE offset, - size_t size) { - return (FX_BOOL)m_pFile->WritePos(buffer, size, offset); -} - -FX_BOOL CFX_CRTFileStream::Flush() { - return m_pFile->Flush(); -} - -#ifdef PDF_ENABLE_XFA -IFX_FileAccess* FX_CreateDefaultFileAccess(const CFX_WideStringC& wsPath) { - if (wsPath.GetLength() == 0) - return NULL; - - CFX_CRTFileAccess* pFA = NULL; - pFA = new CFX_CRTFileAccess; - if (NULL == pFA) - return NULL; - - pFA->Init(wsPath); - return pFA; -} -#endif // PDF_ENABLE_XFA - -IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes) { - IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(); - if (!pFA) { - return NULL; - } - if (!pFA->Open(filename, dwModes)) { - pFA->Release(); - return NULL; - } - return new CFX_CRTFileStream(pFA); -} -IFX_FileStream* FX_CreateFileStream(const FX_WCHAR* filename, - FX_DWORD dwModes) { - IFXCRT_FileAccess* pFA = FXCRT_FileAccess_Create(); - if (!pFA) { - return NULL; - } - if (!pFA->Open(filename, dwModes)) { - pFA->Release(); - return NULL; - } - return new CFX_CRTFileStream(pFA); -} -IFX_FileRead* FX_CreateFileRead(const FX_CHAR* filename) { - return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly); -} -IFX_FileRead* FX_CreateFileRead(const FX_WCHAR* filename) { - return FX_CreateFileStream(filename, FX_FILEMODE_ReadOnly); -} -IFX_MemoryStream* FX_CreateMemoryStream(uint8_t* pBuffer, - size_t dwSize, - FX_BOOL bTakeOver) { - return new CFX_MemoryStream(pBuffer, dwSize, bTakeOver); -} -IFX_MemoryStream* FX_CreateMemoryStream(FX_BOOL bConsecutive) { - return new CFX_MemoryStream(bConsecutive); -} - -FX_FLOAT FXSYS_tan(FX_FLOAT a) { - return (FX_FLOAT)tan(a); -} -FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x) { - return FXSYS_log(x) / FXSYS_log(b); -} -FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr, - int32_t iLength, - int32_t* pUsedLen) { - FXSYS_assert(pcsStr); - if (iLength < 0) { - iLength = (int32_t)FXSYS_strlen(pcsStr); - } - CFX_WideString ws = - CFX_WideString::FromLocal(CFX_ByteString(pcsStr, iLength)); - return FXSYS_wcstof(ws.c_str(), iLength, pUsedLen); -} -FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr, - int32_t iLength, - int32_t* pUsedLen) { - FXSYS_assert(pwsStr); - if (iLength < 0) { - iLength = (int32_t)FXSYS_wcslen(pwsStr); - } - if (iLength == 0) { - return 0.0f; - } - int32_t 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; -} -FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, - const FX_WCHAR* srcStr, - size_t count) { - FXSYS_assert(dstStr && srcStr && count > 0); - for (size_t i = 0; i < count; ++i) - if ((dstStr[i] = srcStr[i]) == L'\0') { - break; - } - return dstStr; -} -int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count) { - FXSYS_assert(s1 && s2 && count > 0); - FX_WCHAR wch1 = 0, wch2 = 0; - while (count-- > 0) { - wch1 = (FX_WCHAR)FXSYS_tolower(*s1++); - wch2 = (FX_WCHAR)FXSYS_tolower(*s2++); - if (wch1 != wch2) { - break; - } - } - return wch1 - wch2; -} -int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count) { - FXSYS_assert(s1 && s2 && count > 0); - FX_CHAR ch1 = 0, ch2 = 0; - while (count-- > 0) { - ch1 = (FX_CHAR)FXSYS_tolower(*s1++); - ch2 = (FX_CHAR)FXSYS_tolower(*s2++); - if (ch1 != ch2) { - break; - } - } - return ch1 - ch2; -} -FX_DWORD FX_HashCode_String_GetA(const FX_CHAR* pStr, - int32_t iLength, - FX_BOOL bIgnoreCase) { - FXSYS_assert(pStr); - if (iLength < 0) { - iLength = (int32_t)FXSYS_strlen(pStr); - } - const FX_CHAR* pStrEnd = pStr + iLength; - FX_DWORD dwHashCode = 0; - if (bIgnoreCase) { - while (pStr < pStrEnd) { - dwHashCode = 31 * dwHashCode + FXSYS_tolower(*pStr++); - } - } else { - while (pStr < pStrEnd) { - dwHashCode = 31 * dwHashCode + *pStr++; - } - } - return dwHashCode; -} -FX_DWORD FX_HashCode_String_GetW(const FX_WCHAR* pStr, - int32_t iLength, - FX_BOOL bIgnoreCase) { - FXSYS_assert(pStr); - if (iLength < 0) { - iLength = (int32_t)FXSYS_wcslen(pStr); - } - const FX_WCHAR* pStrEnd = pStr + iLength; - FX_DWORD dwHashCode = 0; - if (bIgnoreCase) { - while (pStr < pStrEnd) { - dwHashCode = 1313 * dwHashCode + FXSYS_tolower(*pStr++); - } - } else { - while (pStr < pStrEnd) { - dwHashCode = 1313 * dwHashCode + *pStr++; - } - } - return dwHashCode; -} - -void* FX_Random_MT_Start(FX_DWORD dwSeed) { - FX_MTRANDOMCONTEXT* pContext = FX_Alloc(FX_MTRANDOMCONTEXT, 1); - pContext->mt[0] = dwSeed; - FX_DWORD& i = pContext->mti; - FX_DWORD* pBuf = pContext->mt; - for (i = 1; i < MT_N; i++) { - pBuf[i] = (1812433253UL * (pBuf[i - 1] ^ (pBuf[i - 1] >> 30)) + i); - } - pContext->bHaveSeed = TRUE; - return pContext; -} -FX_DWORD FX_Random_MT_Generate(void* pContext) { - FXSYS_assert(pContext); - FX_MTRANDOMCONTEXT* pMTC = static_cast<FX_MTRANDOMCONTEXT*>(pContext); - FX_DWORD v; - static FX_DWORD mag[2] = {0, MT_Matrix_A}; - FX_DWORD& mti = pMTC->mti; - FX_DWORD* pBuf = pMTC->mt; - if ((int)mti < 0 || mti >= MT_N) { - if (mti > MT_N && !pMTC->bHaveSeed) { - return 0; - } - FX_DWORD kk; - for (kk = 0; kk < MT_N - MT_M; kk++) { - v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask); - pBuf[kk] = pBuf[kk + MT_M] ^ (v >> 1) ^ mag[v & 1]; - } - for (; kk < MT_N - 1; kk++) { - v = (pBuf[kk] & MT_Upper_Mask) | (pBuf[kk + 1] & MT_Lower_Mask); - pBuf[kk] = pBuf[kk + (MT_M - MT_N)] ^ (v >> 1) ^ mag[v & 1]; - } - v = (pBuf[MT_N - 1] & MT_Upper_Mask) | (pBuf[0] & MT_Lower_Mask); - pBuf[MT_N - 1] = pBuf[MT_M - 1] ^ (v >> 1) ^ mag[v & 1]; - mti = 0; - } - v = pBuf[mti++]; - v ^= (v >> 11); - v ^= (v << 7) & 0x9d2c5680UL; - v ^= (v << 15) & 0xefc60000UL; - v ^= (v >> 18); - return v; -} -void FX_Random_MT_Close(void* pContext) { - FXSYS_assert(pContext); - FX_Free(pContext); -} -void FX_Random_GenerateMT(FX_DWORD* pBuffer, int32_t iCount) { - FX_DWORD dwSeed; -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - if (!FX_GenerateCryptoRandom(&dwSeed, 1)) { - FX_Random_GenerateBase(&dwSeed, 1); - } -#else - FX_Random_GenerateBase(&dwSeed, 1); -#endif - void* pContext = FX_Random_MT_Start(dwSeed); - while (iCount-- > 0) { - *pBuffer++ = FX_Random_MT_Generate(pContext); - } - FX_Random_MT_Close(pContext); -} -void FX_Random_GenerateBase(FX_DWORD* pBuffer, int32_t iCount) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - SYSTEMTIME st1, st2; - ::GetSystemTime(&st1); - do { - ::GetSystemTime(&st2); - } while (FXSYS_memcmp(&st1, &st2, sizeof(SYSTEMTIME)) == 0); - FX_DWORD dwHash1 = - FX_HashCode_String_GetA((const FX_CHAR*)&st1, sizeof(st1), TRUE); - FX_DWORD dwHash2 = - FX_HashCode_String_GetA((const FX_CHAR*)&st2, sizeof(st2), TRUE); - ::srand((dwHash1 << 16) | (FX_DWORD)dwHash2); -#else - time_t tmLast = time(NULL); - time_t tmCur; - while ((tmCur = time(NULL)) == tmLast) { - continue; - } - - ::srand((tmCur << 16) | (tmLast & 0xFFFF)); -#endif - while (iCount-- > 0) { - *pBuffer++ = (FX_DWORD)((::rand() << 16) | (::rand() & 0xFFFF)); - } -} -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ -FX_BOOL FX_GenerateCryptoRandom(FX_DWORD* pBuffer, int32_t iCount) { - HCRYPTPROV hCP = NULL; - if (!::CryptAcquireContext(&hCP, NULL, NULL, PROV_RSA_FULL, 0) || !hCP) { - return FALSE; - } - ::CryptGenRandom(hCP, iCount * sizeof(FX_DWORD), (uint8_t*)pBuffer); - ::CryptReleaseContext(hCP, 0); - return TRUE; -} -#endif -void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount) { -#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ - FX_GenerateCryptoRandom(pBuffer, iCount); -#else - FX_Random_GenerateBase(pBuffer, iCount); -#endif -} - -#ifdef PDF_ENABLE_XFA -void FX_GUID_CreateV4(FX_LPGUID pGUID) { - FX_Random_GenerateMT((FX_DWORD*)pGUID, 4); - uint8_t& b = ((uint8_t*)pGUID)[6]; - b = (b & 0x0F) | 0x40; -} -const FX_CHAR* gs_FX_pHexChars = "0123456789ABCDEF"; -void FX_GUID_ToString(FX_LPCGUID pGUID, - CFX_ByteString& bsStr, - FX_BOOL bSeparator) { - FX_CHAR* pBuf = bsStr.GetBuffer(40); - uint8_t b; - for (int32_t i = 0; i < 16; i++) { - b = ((const uint8_t*)pGUID)[i]; - *pBuf++ = gs_FX_pHexChars[b >> 4]; - *pBuf++ = gs_FX_pHexChars[b & 0x0F]; - if (bSeparator && (i == 3 || i == 5 || i == 7 || i == 9)) { - *pBuf++ = L'-'; - } - } - bsStr.ReleaseBuffer(bSeparator ? 36 : 32); -} -#endif // PDF_ENABLE_XFA |