| // 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 |
| |
| #ifndef CORE_INCLUDE_FXCRT_FX_EXT_H_ |
| #define CORE_INCLUDE_FXCRT_FX_EXT_H_ |
| |
| #include "fx_system.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| FX_FLOAT FXSYS_tan(FX_FLOAT a); |
| FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x); |
| FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr, |
| int32_t iLength = -1, |
| int32_t* pUsedLen = NULL); |
| FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr, |
| int32_t iLength = -1, |
| int32_t* pUsedLen = NULL); |
| FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count); |
| int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count); |
| int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count); |
| |
| inline FX_BOOL FXSYS_islower(int32_t ch) { |
| return ch >= 'a' && ch <= 'z'; |
| } |
| inline FX_BOOL FXSYS_isupper(int32_t ch) { |
| return ch >= 'A' && ch <= 'Z'; |
| } |
| inline int32_t FXSYS_tolower(int32_t ch) { |
| return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20); |
| } |
| inline int32_t FXSYS_toupper(int32_t ch) { |
| return ch < 'a' || ch > 'z' ? ch : (ch - 0x20); |
| } |
| |
| FX_DWORD FX_HashCode_String_GetA(const FX_CHAR* pStr, |
| int32_t iLength, |
| FX_BOOL bIgnoreCase = FALSE); |
| FX_DWORD FX_HashCode_String_GetW(const FX_WCHAR* pStr, |
| int32_t iLength, |
| FX_BOOL bIgnoreCase = FALSE); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| void* FX_Random_MT_Start(FX_DWORD dwSeed); |
| |
| FX_DWORD FX_Random_MT_Generate(void* pContext); |
| |
| void FX_Random_MT_Close(void* pContext); |
| |
| void FX_Random_GenerateBase(FX_DWORD* pBuffer, int32_t iCount); |
| |
| void FX_Random_GenerateMT(FX_DWORD* pBuffer, int32_t iCount); |
| |
| void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount); |
| #ifdef __cplusplus |
| } |
| #endif |
| template <class baseType> |
| class CFX_SSortTemplate { |
| public: |
| void ShellSort(baseType* pArray, int32_t iCount) { |
| FXSYS_assert(pArray != NULL && iCount > 0); |
| int32_t i, j, gap; |
| baseType v1, v2; |
| gap = iCount >> 1; |
| while (gap > 0) { |
| for (i = gap; i < iCount; i++) { |
| j = i - gap; |
| v1 = pArray[i]; |
| while (j > -1 && (v2 = pArray[j]) > v1) { |
| pArray[j + gap] = v2; |
| j -= gap; |
| } |
| pArray[j + gap] = v1; |
| } |
| gap >>= 1; |
| } |
| } |
| }; |
| |
| #endif // CORE_INCLUDE_FXCRT_FX_EXT_H_ |