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annotate deps/Platinum/ThirdParty/Neptune/Source/Core/NptUtils.h @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Neptune Utils
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4 |
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5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
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6 | All rights reserved.
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7 |
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8 | Redistribution and use in source and binary forms, with or without
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9 | modification, are permitted provided that the following conditions are met:
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10 | * Redistributions of source code must retain the above copyright
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11 | notice, this list of conditions and the following disclaimer.
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12 | * Redistributions in binary form must reproduce the above copyright
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13 | notice, this list of conditions and the following disclaimer in the
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14 | documentation and/or other materials provided with the distribution.
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15 | * Neither the name of Axiomatic Systems nor the
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16 | names of its contributors may be used to endorse or promote products
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17 | derived from this software without specific prior written permission.
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18 |
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19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
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20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
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23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 |
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30 ****************************************************************/
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31
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32 #ifndef _NPT_UTILS_H_
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33 #define _NPT_UTILS_H_
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34
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35 /*----------------------------------------------------------------------
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36 | includes
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37 +---------------------------------------------------------------------*/
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38 #include "NptConfig.h"
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39 #include "NptTypes.h"
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40 #include "NptStrings.h"
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41 #include "NptMap.h"
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42
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43 #if defined (NPT_CONFIG_HAVE_STDIO_H)
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44 #include <stdio.h>
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45 #endif
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46
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47 #if defined (NPT_CONFIG_HAVE_STRING_H)
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48 #include <string.h>
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49 #endif
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50
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51 #if defined(NPT_CONFIG_HAVE_STDARG_H)
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52 #include <stdarg.h>
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53 #endif
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54
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55 /*----------------------------------------------------------------------
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56 | macros
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57 +---------------------------------------------------------------------*/
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58 #define NPT_ARRAY_SIZE(_a) (sizeof(_a)/sizeof((_a)[0]))
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59
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60 /*----------------------------------------------------------------------
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61 | byte I/O
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62 +---------------------------------------------------------------------*/
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63 extern void NPT_BytesFromInt64Be(unsigned char* buffer, NPT_UInt64 value);
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64 extern void NPT_BytesFromInt32Be(unsigned char* buffer, NPT_UInt32 value);
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65 extern void NPT_BytesFromInt24Be(unsigned char* buffer, NPT_UInt32 value);
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66 extern void NPT_BytesFromInt16Be(unsigned char* buffer, NPT_UInt16 value);
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67 extern NPT_UInt64 NPT_BytesToInt64Be(const unsigned char* buffer);
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68 extern NPT_UInt32 NPT_BytesToInt32Be(const unsigned char* buffer);
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69 extern NPT_UInt32 NPT_BytesToInt24Be(const unsigned char* buffer);
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70 extern NPT_UInt16 NPT_BytesToInt16Be(const unsigned char* buffer);
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71
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72 extern void NPT_BytesFromInt64Le(unsigned char* buffer, NPT_UInt64 value);
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73 extern void NPT_BytesFromInt32Le(unsigned char* buffer, NPT_UInt32 value);
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74 extern void NPT_BytesFromInt24Le(unsigned char* buffer, NPT_UInt32 value);
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75 extern void NPT_BytesFromInt16Le(unsigned char* buffer, NPT_UInt16 value);
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76 extern NPT_UInt64 NPT_BytesToInt64Le(const unsigned char* buffer);
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77 extern NPT_UInt32 NPT_BytesToInt32Le(const unsigned char* buffer);
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78 extern NPT_UInt32 NPT_BytesToInt24Le(const unsigned char* buffer);
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79 extern NPT_UInt16 NPT_BytesToInt16Le(const unsigned char* buffer);
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80
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81 /*----------------------------------------------------------------------
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82 | conversion utilities
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83 +---------------------------------------------------------------------*/
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84 extern NPT_Result
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85 NPT_ParseFloat(const char* str, float& result, bool relaxed = true);
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86
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87 extern NPT_Result
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88 NPT_ParseInteger(const char* str, int& result, bool relaxed = true, NPT_Cardinal* chars_used = 0);
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89
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90 extern NPT_Result
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91 NPT_ParseInteger32(const char* str, NPT_Int32& result, bool relaxed = true, NPT_Cardinal* chars_used = 0);
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92
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93 extern NPT_Result
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94 NPT_ParseInteger32U(const char* str, NPT_UInt32& result, bool relaxed = true, NPT_Cardinal* chars_used = 0);
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95
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96 extern NPT_Result
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97 NPT_ParseInteger64(const char* str, NPT_Int64& result, bool relaxed = true, NPT_Cardinal* chars_used = 0);
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98
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99 extern NPT_Result
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100 NPT_ParseInteger64U(const char* str, NPT_UInt64& result, bool relaxed = true, NPT_Cardinal* chars_used = 0);
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101
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102 /*----------------------------------------------------------------------
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103 | formatting
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104 +---------------------------------------------------------------------*/
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105 void
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106 NPT_FormatOutput(void (*function)(void* parameter, const char* message),
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107 void* function_parameter,
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108 const char* format,
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109 va_list args);
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110
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111 void NPT_ByteToHex(NPT_Byte b, char* buffer, bool uppercase=false);
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112 NPT_Result NPT_HexToByte(const char* buffer, NPT_Byte& b);
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113 NPT_String NPT_HexString(const unsigned char* data,
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114 NPT_Size data_size,
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115 const char* separator = NULL,
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116 bool uppercase=false);
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117
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118 /*----------------------------------------------------------------------
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119 | parsing
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120 +---------------------------------------------------------------------*/
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121 NPT_Result
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122 NPT_ParseMimeParameters(const char* encoded,
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123 NPT_Map<NPT_String, NPT_String>& parameters);
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124
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125 /*----------------------------------------------------------------------
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126 | environment variables
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127 +---------------------------------------------------------------------*/
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128 NPT_Result NPT_GetEnvironment(const char* name, NPT_String& value);
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129
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130 /*----------------------------------------------------------------------
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131 | string utils
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132 +---------------------------------------------------------------------*/
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133 #if defined (NPT_CONFIG_HAVE_STDIO_H)
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134 #include <stdio.h>
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135 #endif
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136
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137 #if defined (NPT_CONFIG_HAVE_STRING_H)
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138 #include <string.h>
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139 #endif
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140
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141 #if defined (NPT_CONFIG_HAVE_SNPRINTF)
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142 #define NPT_FormatString NPT_snprintf
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143 #else
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144 int NPT_FormatString(char* str, NPT_Size size, const char* format, ...);
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145 #endif
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146
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147 #if defined(NPT_CONFIG_HAVE_VSNPRINTF)
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148 #define NPT_FormatStringVN(s,c,f,a) NPT_vsnprintf(s,c,f,a)
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149 #else
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150 extern int NPT_FormatStringVN(char *buffer, size_t count, const char *format, va_list argptr);
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151 #endif
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152
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153 #if defined(NPT_CONFIG_HAVE_MEMCPY)
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154 #define NPT_CopyMemory memcpy
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155 #else
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156 extern void NPT_CopyMemory(void* dest, void* src, NPT_Size size);
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157 #endif
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158
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159 #if defined(NPT_CONFIG_HAVE_STRCMP)
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160 #define NPT_StringsEqual(s1, s2) (strcmp((s1), (s2)) == 0)
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161 #else
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162 extern int NPT_StringsEqual(const char* s1, const char* s2);
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163 #endif
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164
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165 #if defined(NPT_CONFIG_HAVE_STRNCMP)
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166 #define NPT_StringsEqualN(s1, s2, n) (strncmp((s1), (s2), (n)) == 0)
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167 #else
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168 extern int NPT_StringsEqualN(const char* s1, const char* s2, unsigned long size);
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169 #endif
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170
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171 #if defined(NPT_CONFIG_HAVE_STRLEN)
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172 #define NPT_StringLength(s) (NPT_Size)(strlen(s))
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173 #else
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174 extern unsigned long NPT_StringLength(const char* s);
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175 #endif
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176
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177 #if defined(NPT_CONFIG_HAVE_STRCPY)
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178 #define NPT_CopyString(dst, src) ((void)NPT_strcpy((dst), (src)))
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179 #else
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180 extern void NPT_CopyString(char* dst, const char* src);
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181 #endif
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182
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183 /**
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184 * Copy up to n characters from src to dst.
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185 * The destination buffer will be null-terminated, so it must
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186 * have enough space for n+1 characters (n from the source plus
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187 * the null terminator).
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188 */
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189 #if defined(NPT_CONFIG_HAVE_STRNCPY)
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190 #define NPT_CopyStringN(dst, src, n) \
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191 do { ((void)NPT_strncpy((dst), (src), n)); (dst)[(n)] = '\0'; } while(0)
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192 #else
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193 extern int NPT_CopyStringN(char* dst, const char* src, unsigned long n);
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194 #endif
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195
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196 #if defined(NPT_CONFIG_HAVE_MEMSET)
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197 #define NPT_SetMemory memset
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198 #else
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199 extern void NPT_SetMemory(void* dest, int c, NPT_Size size);
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200 #endif
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201
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202 #if defined(NPT_CONFIG_HAVE_MEMCMP)
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203 #define NPT_MemoryEqual(s1, s2, n) (memcmp((s1), (s2), (n)) == 0)
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204 #else
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205 extern int NPT_MemoryEqual(const void* s1, const void* s2, unsigned long n);
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206 #endif
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207
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208 #endif // _NPT_UTILS_H_