OLD | NEW |
| (Empty) |
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 CORE_INCLUDE_FXCRT_FX_EXT_H_ | |
8 #define CORE_INCLUDE_FXCRT_FX_EXT_H_ | |
9 | |
10 #include <cctype> | |
11 #include <cwctype> | |
12 | |
13 #include "core/include/fxcrt/fx_basic.h" | |
14 | |
15 // TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal. | |
16 // Come up or wait for something better. This appears in this file rather | |
17 // than fx_stream.h due to include ordering restrictions. | |
18 using ScopedFileStream = | |
19 std::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>; | |
20 | |
21 FX_FLOAT FXSYS_tan(FX_FLOAT a); | |
22 FX_FLOAT FXSYS_logb(FX_FLOAT b, FX_FLOAT x); | |
23 FX_FLOAT FXSYS_strtof(const FX_CHAR* pcsStr, | |
24 int32_t iLength = -1, | |
25 int32_t* pUsedLen = NULL); | |
26 FX_FLOAT FXSYS_wcstof(const FX_WCHAR* pwsStr, | |
27 int32_t iLength = -1, | |
28 int32_t* pUsedLen = NULL); | |
29 FX_WCHAR* FXSYS_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count); | |
30 int32_t FXSYS_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count); | |
31 int32_t FXSYS_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count); | |
32 | |
33 inline bool FXSYS_islower(int32_t ch) { | |
34 return ch >= 'a' && ch <= 'z'; | |
35 } | |
36 inline bool FXSYS_isupper(int32_t ch) { | |
37 return ch >= 'A' && ch <= 'Z'; | |
38 } | |
39 inline int32_t FXSYS_tolower(int32_t ch) { | |
40 return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20); | |
41 } | |
42 inline int32_t FXSYS_toupper(int32_t ch) { | |
43 return ch < 'a' || ch > 'z' ? ch : (ch - 0x20); | |
44 } | |
45 inline bool FXSYS_iswalpha(wchar_t wch) { | |
46 return (wch >= L'A' && wch <= L'Z') || (wch >= L'a' && wch <= L'z'); | |
47 } | |
48 inline bool FXSYS_iswdigit(wchar_t wch) { | |
49 return wch >= L'0' && wch <= L'9'; | |
50 } | |
51 inline bool FXSYS_iswalnum(wchar_t wch) { | |
52 return FXSYS_iswalpha(wch) || FXSYS_iswdigit(wch); | |
53 } | |
54 | |
55 inline int FXSYS_toHexDigit(const FX_CHAR c) { | |
56 if (!std::isxdigit(c)) | |
57 return 0; | |
58 char upchar = std::toupper(c); | |
59 return upchar > '9' ? upchar - 'A' + 10 : upchar - '0'; | |
60 } | |
61 | |
62 inline bool FXSYS_isDecimalDigit(const FX_CHAR c) { | |
63 return !!std::isdigit(c); | |
64 } | |
65 | |
66 inline bool FXSYS_isDecimalDigit(const FX_WCHAR c) { | |
67 return !!std::iswdigit(c); | |
68 } | |
69 | |
70 inline int FXSYS_toDecimalDigit(const FX_CHAR c) { | |
71 return std::isdigit(c) ? c - '0' : 0; | |
72 } | |
73 | |
74 inline int FXSYS_toDecimalDigit(const FX_WCHAR c) { | |
75 return std::iswdigit(c) ? c - L'0' : 0; | |
76 } | |
77 | |
78 FX_DWORD FX_HashCode_String_GetA(const FX_CHAR* pStr, | |
79 int32_t iLength, | |
80 FX_BOOL bIgnoreCase = FALSE); | |
81 FX_DWORD FX_HashCode_String_GetW(const FX_WCHAR* pStr, | |
82 int32_t iLength, | |
83 FX_BOOL bIgnoreCase = FALSE); | |
84 | |
85 void* FX_Random_MT_Start(FX_DWORD dwSeed); | |
86 | |
87 FX_DWORD FX_Random_MT_Generate(void* pContext); | |
88 | |
89 void FX_Random_MT_Close(void* pContext); | |
90 | |
91 void FX_Random_GenerateBase(FX_DWORD* pBuffer, int32_t iCount); | |
92 | |
93 void FX_Random_GenerateMT(FX_DWORD* pBuffer, int32_t iCount); | |
94 | |
95 void FX_Random_GenerateCrypto(FX_DWORD* pBuffer, int32_t iCount); | |
96 | |
97 #ifdef PDF_ENABLE_XFA | |
98 typedef struct FX_GUID { | |
99 FX_DWORD data1; | |
100 uint16_t data2; | |
101 uint16_t data3; | |
102 uint8_t data4[8]; | |
103 } FX_GUID, *FX_LPGUID; | |
104 typedef FX_GUID const* FX_LPCGUID; | |
105 void FX_GUID_CreateV4(FX_LPGUID pGUID); | |
106 void FX_GUID_ToString(FX_LPCGUID pGUID, | |
107 CFX_ByteString& bsStr, | |
108 FX_BOOL bSeparator = TRUE); | |
109 #endif // PDF_ENABLE_XFA | |
110 | |
111 template <class baseType> | |
112 class CFX_SSortTemplate { | |
113 public: | |
114 void ShellSort(baseType* pArray, int32_t iCount) { | |
115 FXSYS_assert(pArray && iCount > 0); | |
116 int32_t i, j, gap; | |
117 baseType v1, v2; | |
118 gap = iCount >> 1; | |
119 while (gap > 0) { | |
120 for (i = gap; i < iCount; i++) { | |
121 j = i - gap; | |
122 v1 = pArray[i]; | |
123 while (j > -1 && (v2 = pArray[j]) > v1) { | |
124 pArray[j + gap] = v2; | |
125 j -= gap; | |
126 } | |
127 pArray[j + gap] = v1; | |
128 } | |
129 gap >>= 1; | |
130 } | |
131 } | |
132 }; | |
133 | |
134 #endif // CORE_INCLUDE_FXCRT_FX_EXT_H_ | |
OLD | NEW |