// 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 <cctype> #include <cwctype> #ifdef PDF_ENABLE_XFA #include "fx_string.h" #endif #include "fx_system.h" 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); } inline int FXSYS_toHexDigit(const FX_CHAR c) { if (!std::isxdigit(c)) return 0; char upchar = std::toupper(c); return upchar > '9' ? upchar - 'A' + 10 : upchar - '0'; } inline int FXSYS_toDecimalDigit(const FX_CHAR c) { if (!std::isdigit(c)) return 0; return c - '0'; } inline int FXSYS_toDecimalDigitWide(const FX_WCHAR c) { if (!std::iswdigit(c)) return 0; return c - L'0'; } 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); 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 PDF_ENABLE_XFA typedef struct FX_GUID { FX_DWORD data1; FX_WORD data2; FX_WORD data3; uint8_t data4[8]; } FX_GUID, *FX_LPGUID; typedef FX_GUID const* FX_LPCGUID; void FX_GUID_CreateV4(FX_LPGUID pGUID); void FX_GUID_ToString(FX_LPCGUID pGUID, CFX_ByteString& bsStr, FX_BOOL bSeparator = TRUE); #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_