1// Copyright 2014 PDFium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7#ifndef _FXCRT_EXTENSION_ 8#define _FXCRT_EXTENSION_ 9#ifndef _FX_BASIC_H_ 10#include "fx_basic.h" 11#endif 12#ifndef _FXCRT_COORDINATES_ 13#include "fx_coordinates.h" 14#endif 15#ifndef _FX_XML_H_ 16#include "fx_xml.h" 17#endif 18#ifndef _FX_UNICODE_ 19#include "fx_ucd.h" 20#endif 21#ifndef _FX_ARABIC_ 22#include "fx_arb.h" 23#endif 24#ifdef __cplusplus 25extern "C" { 26#endif 27 28 29FX_FLOAT FXSYS_tan(FX_FLOAT a); 30FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x); 31FX_FLOAT FXSYS_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL); 32FX_FLOAT FXSYS_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL); 33FX_LPWSTR FXSYS_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count); 34FX_INT32 FXSYS_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count); 35FX_INT32 FXSYS_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count); 36inline FX_BOOL FXSYS_islower(FX_INT32 ch) 37{ 38 return ch >= 'a' && ch <= 'z'; 39} 40inline FX_BOOL FXSYS_isupper(FX_INT32 ch) 41{ 42 return ch >= 'A' && ch <= 'Z'; 43} 44inline FX_INT32 FXSYS_tolower(FX_INT32 ch) 45{ 46 return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20); 47} 48inline FX_INT32 FXSYS_toupper(FX_INT32 ch) 49{ 50 return ch < 'a' || ch > 'z' ? ch : (ch - 0x20); 51} 52 53 54 55FX_DWORD FX_HashCode_String_GetA(FX_LPCSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE); 56FX_DWORD FX_HashCode_String_GetW(FX_LPCWSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE); 57 58#ifdef __cplusplus 59} 60#endif 61#ifdef __cplusplus 62extern "C" { 63#endif 64 65FX_LPVOID FX_Random_MT_Start(FX_DWORD dwSeed); 66 67FX_DWORD FX_Random_MT_Generate(FX_LPVOID pContext); 68 69void FX_Random_MT_Close(FX_LPVOID pContext); 70 71void FX_Random_GenerateBase(FX_LPDWORD pBuffer, FX_INT32 iCount); 72 73void FX_Random_GenerateMT(FX_LPDWORD pBuffer, FX_INT32 iCount); 74 75void FX_Random_GenerateCrypto(FX_LPDWORD pBuffer, FX_INT32 iCount); 76#ifdef __cplusplus 77} 78#endif 79template<class baseType> 80class CFX_SSortTemplate 81{ 82public: 83 void ShellSort(baseType *pArray, FX_INT32 iCount) 84 { 85 FXSYS_assert(pArray != NULL && iCount > 0); 86 FX_INT32 i, j, gap; 87 baseType v1, v2; 88 gap = iCount >> 1; 89 while (gap > 0) { 90 for (i = gap; i < iCount; i ++) { 91 j = i - gap; 92 v1 = pArray[i]; 93 while (j > -1 && (v2 = pArray[j]) > v1) { 94 pArray[j + gap] = v2; 95 j -= gap; 96 } 97 pArray[j + gap] = v1; 98 } 99 gap >>= 1; 100 } 101 } 102}; 103#endif 104