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101 lines
3.0 KiB
101 lines
3.0 KiB
// Copyright 2014 PDFium Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style license that can be |
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// found in the LICENSE file. |
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
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#ifndef CORE_FXCRT_FX_EXT_H_ |
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#define CORE_FXCRT_FX_EXT_H_ |
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#include <cctype> |
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#include <cwctype> |
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#include <memory> |
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#include "core/fxcrt/fx_basic.h" |
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#define FX_INVALID_OFFSET static_cast<uint32_t>(-1) |
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FX_FLOAT FXSYS_tan(FX_FLOAT a); |
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FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x); |
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FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr, |
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int32_t iLength = -1, |
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int32_t* pUsedLen = nullptr); |
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FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr, |
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int32_t iLength = -1, |
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int32_t* pUsedLen = nullptr); |
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FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count); |
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int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count); |
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int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count); |
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inline bool FXSYS_islower(int32_t ch) { |
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return ch >= 'a' && ch <= 'z'; |
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} |
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inline bool FXSYS_isupper(int32_t ch) { |
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return ch >= 'A' && ch <= 'Z'; |
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} |
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inline int32_t FXSYS_tolower(int32_t ch) { |
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return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20); |
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} |
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inline int32_t FXSYS_toupper(int32_t ch) { |
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return ch < 'a' || ch > 'z' ? ch : (ch - 0x20); |
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} |
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inline bool FXSYS_iswalpha(wchar_t wch) { |
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return (wch >= L'A' && wch <= L'Z') || (wch >= L'a' && wch <= L'z'); |
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} |
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inline bool FXSYS_iswdigit(wchar_t wch) { |
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return wch >= L'0' && wch <= L'9'; |
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} |
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inline bool FXSYS_iswalnum(wchar_t wch) { |
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return FXSYS_iswalpha(wch) || FXSYS_iswdigit(wch); |
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} |
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inline bool FXSYS_iswspace(FX_WCHAR c) { |
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return (c == 0x20) || (c == 0x0d) || (c == 0x0a) || (c == 0x09); |
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} |
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inline int FXSYS_toHexDigit(const FX_CHAR c) { |
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if (!std::isxdigit(c)) |
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return 0; |
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char upchar = std::toupper(c); |
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return upchar > '9' ? upchar - 'A' + 10 : upchar - '0'; |
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} |
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inline bool FXSYS_isDecimalDigit(const FX_CHAR c) { |
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return !!std::isdigit(c); |
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} |
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inline bool FXSYS_isDecimalDigit(const FX_WCHAR c) { |
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return !!std::iswdigit(c); |
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} |
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inline int FXSYS_toDecimalDigit(const FX_CHAR c) { |
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return std::isdigit(c) ? c - '0' : 0; |
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} |
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inline int FXSYS_toDecimalDigit(const FX_WCHAR c) { |
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return std::iswdigit(c) ? c - L'0' : 0; |
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} |
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FX_FLOAT FXSYS_FractionalScale(size_t scale_factor, int value); |
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int FXSYS_FractionalScaleCount(); |
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void* FX_Random_MT_Start(uint32_t dwSeed); |
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void FX_Random_MT_Close(void* pContext); |
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uint32_t FX_Random_MT_Generate(void* pContext); |
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void FX_Random_GenerateBase(uint32_t* pBuffer, int32_t iCount); |
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void FX_Random_GenerateMT(uint32_t* pBuffer, int32_t iCount); |
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void FX_Random_GenerateCrypto(uint32_t* pBuffer, int32_t iCount); |
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#ifdef PDF_ENABLE_XFA |
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struct FX_GUID { |
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uint32_t data1; |
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uint16_t data2; |
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uint16_t data3; |
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uint8_t data4[8]; |
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}; |
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void FX_GUID_CreateV4(FX_GUID* pGUID); |
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void FX_GUID_ToString(const FX_GUID* pGUID, |
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CFX_ByteString& bsStr, |
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bool bSeparator = true); |
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#endif // PDF_ENABLE_XFA |
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#endif // CORE_FXCRT_FX_EXT_H_
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