1 | // |
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2 | // NumberFormatter.h |
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3 | // |
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4 | // $Id: //poco/1.3/Foundation/include/Poco/NumberFormatter.h#3 $ |
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5 | // |
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6 | // Library: Foundation |
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7 | // Package: Core |
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8 | // Module: NumberFormatter |
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9 | // |
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10 | // Definition of the NumberFormatter class. |
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11 | // |
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12 | // Copyright (c) 2004-2008, Applied Informatics Software Engineering GmbH. |
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13 | // and Contributors. |
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14 | // |
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15 | // Permission is hereby granted, free of charge, to any person or organization |
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16 | // obtaining a copy of the software and accompanying documentation covered by |
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17 | // this license (the "Software") to use, reproduce, display, distribute, |
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18 | // execute, and transmit the Software, and to prepare derivative works of the |
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19 | // Software, and to permit third-parties to whom the Software is furnished to |
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20 | // do so, all subject to the following: |
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21 | // |
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22 | // The copyright notices in the Software and this entire statement, including |
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23 | // the above license grant, this restriction and the following disclaimer, |
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24 | // must be included in all copies of the Software, in whole or in part, and |
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25 | // all derivative works of the Software, unless such copies or derivative |
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26 | // works are solely in the form of machine-executable object code generated by |
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27 | // a source language processor. |
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28 | // |
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29 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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30 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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31 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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32 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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33 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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34 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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35 | // DEALINGS IN THE SOFTWARE. |
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36 | // |
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37 | |
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38 | |
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39 | #ifndef Foundation_NumberFormatter_INCLUDED |
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40 | #define Foundation_NumberFormatter_INCLUDED |
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41 | |
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42 | |
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43 | #include "Poco/Foundation.h" |
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44 | |
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45 | |
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46 | namespace Poco { |
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47 | |
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48 | |
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49 | class Foundation_API NumberFormatter |
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50 | /// The NumberFormatter class provides static methods |
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51 | /// for formatting numeric values into strings. |
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52 | /// |
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53 | /// There are two kind of static member functions: |
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54 | /// * format* functions return a std::string containing |
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55 | /// the formatted value. |
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56 | /// * append* functions append the formatted value to |
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57 | /// an existing string. |
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58 | /// |
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59 | /// Internally, std::sprintf() is used to do the actual |
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60 | /// formatting. |
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61 | { |
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62 | public: |
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63 | static std::string format(int value); |
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64 | /// Formats an integer value in decimal notation. |
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65 | |
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66 | static std::string format(int value, int width); |
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67 | /// Formats an integer value in decimal notation, |
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68 | /// right justified in a field having at least |
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69 | /// the specified width. |
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70 | |
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71 | static std::string format0(int value, int width); |
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72 | /// Formats an integer value in decimal notation, |
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73 | /// right justified and zero-padded in a field |
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74 | /// having at least the specified width. |
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75 | |
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76 | static std::string formatHex(int value); |
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77 | /// Formats an int value in hexadecimal notation. |
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78 | /// The value is treated as unsigned. |
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79 | |
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80 | static std::string formatHex(int value, int width); |
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81 | /// Formats a int value in hexadecimal notation, |
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82 | /// right justified and zero-padded in |
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83 | /// a field having at least the specified width. |
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84 | /// The value is treated as unsigned. |
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85 | |
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86 | static std::string format(unsigned value); |
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87 | /// Formats an unsigned int value in decimal notation. |
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88 | |
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89 | static std::string format(unsigned value, int width); |
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90 | /// Formats an unsigned long int in decimal notation, |
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91 | /// right justified in a field having at least the |
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92 | /// specified width. |
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93 | |
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94 | static std::string format0(unsigned int value, int width); |
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95 | /// Formats an unsigned int value in decimal notation, |
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96 | /// right justified and zero-padded in a field having at |
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97 | /// least the specified width. |
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98 | |
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99 | static std::string formatHex(unsigned value); |
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100 | /// Formats an unsigned int value in hexadecimal notation. |
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101 | |
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102 | static std::string formatHex(unsigned value, int width); |
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103 | /// Formats a int value in hexadecimal notation, |
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104 | /// right justified and zero-padded in |
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105 | /// a field having at least the specified width. |
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106 | |
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107 | static std::string format(long value); |
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108 | /// Formats a long value in decimal notation. |
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109 | |
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110 | static std::string format(long value, int width); |
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111 | /// Formats a long value in decimal notation, |
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112 | /// right justified in a field having at least the |
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113 | /// specified width. |
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114 | |
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115 | static std::string format0(long value, int width); |
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116 | /// Formats a long value in decimal notation, |
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117 | /// right justified and zero-padded in a field |
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118 | /// having at least the specified width. |
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119 | |
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120 | static std::string formatHex(long value); |
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121 | /// Formats an unsigned long value in hexadecimal notation. |
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122 | /// The value is treated as unsigned. |
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123 | |
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124 | static std::string formatHex(long value, int width); |
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125 | /// Formats an unsigned long value in hexadecimal notation, |
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126 | /// right justified and zero-padded in a field having at least the |
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127 | /// specified width. |
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128 | /// The value is treated as unsigned. |
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129 | |
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130 | static std::string format(unsigned long value); |
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131 | /// Formats an unsigned long value in decimal notation. |
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132 | |
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133 | static std::string format(unsigned long value, int width); |
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134 | /// Formats an unsigned long value in decimal notation, |
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135 | /// right justified in a field having at least the specified |
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136 | /// width. |
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137 | |
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138 | static std::string format0(unsigned long value, int width); |
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139 | /// Formats an unsigned long value in decimal notation, |
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140 | /// right justified and zero-padded |
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141 | /// in a field having at least the specified width. |
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142 | |
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143 | static std::string formatHex(unsigned long value); |
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144 | /// Formats an unsigned long value in hexadecimal notation. |
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145 | |
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146 | static std::string formatHex(unsigned long value, int width); |
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147 | /// Formats an unsigned long value in hexadecimal notation, |
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148 | /// right justified and zero-padded in a field having at least the |
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149 | /// specified width. |
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150 | |
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151 | #if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
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152 | |
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153 | static std::string format(Int64 value); |
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154 | /// Formats a 64-bit integer value in decimal notation. |
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155 | |
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156 | static std::string format(Int64 value, int width); |
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157 | /// Formats a 64-bit integer value in decimal notation, |
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158 | /// right justified in a field having at least the specified width. |
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159 | |
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160 | static std::string format0(Int64 value, int width); |
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161 | /// Formats a 64-bit integer value in decimal notation, |
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162 | /// right justified and zero-padded in a field having at least |
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163 | /// the specified width. |
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164 | |
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165 | static std::string formatHex(Int64 value); |
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166 | /// Formats a 64-bit integer value in hexadecimal notation. |
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167 | /// The value is treated as unsigned. |
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168 | |
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169 | static std::string formatHex(Int64 value, int width); |
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170 | /// Formats a 64-bit integer value in hexadecimal notation, |
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171 | /// right justified and zero-padded in a field having at least |
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172 | /// the specified width. |
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173 | /// The value is treated as unsigned. |
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174 | |
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175 | static std::string format(UInt64 value); |
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176 | /// Formats an unsigned 64-bit integer value in decimal notation. |
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177 | |
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178 | static std::string format(UInt64 value, int width); |
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179 | /// Formats an unsigned 64-bit integer value in decimal notation, |
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180 | /// right justified in a field having at least the specified width. |
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181 | |
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182 | static std::string format0(UInt64 value, int width); |
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183 | /// Formats an unsigned 64-bit integer value in decimal notation, |
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184 | /// right justified and zero-padded in a field having at least the |
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185 | /// specified width. |
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186 | |
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187 | static std::string formatHex(UInt64 value); |
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188 | /// Formats a 64-bit integer value in hexadecimal notation. |
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189 | |
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190 | static std::string formatHex(UInt64 value, int width); |
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191 | /// Formats a 64-bit integer value in hexadecimal notation, |
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192 | /// right justified and zero-padded in a field having at least |
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193 | /// the specified width. |
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194 | |
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195 | #endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
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196 | |
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197 | static std::string format(float value); |
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198 | /// Formats a float value in decimal floating-point notation, |
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199 | /// according to std::printf's %g format with a precision of 8 fractional digits. |
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200 | |
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201 | static std::string format(double value); |
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202 | /// Formats a double value in decimal floating-point notation, |
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203 | /// according to std::printf's %g format with a precision of 16 fractional digits. |
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204 | |
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205 | static std::string format(double value, int precision); |
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206 | /// Formats a double value in decimal floating-point notation, |
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207 | /// according to std::printf's %f format with the given precision. |
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208 | |
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209 | static std::string format(double value, int width, int precision); |
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210 | /// Formats a double value in decimal floating-point notation, |
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211 | /// right justified in a field of the specified width, |
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212 | /// with the number of fractional digits given in precision. |
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213 | |
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214 | static std::string format(const void* ptr); |
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215 | /// Formats a pointer in an eight (32-bit architectures) or |
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216 | /// sixteen (64-bit architectures) characters wide |
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217 | /// field in hexadecimal notation. |
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218 | |
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219 | static void append(std::string& str, int value); |
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220 | /// Formats an integer value in decimal notation. |
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221 | |
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222 | static void append(std::string& str, int value, int width); |
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223 | /// Formats an integer value in decimal notation, |
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224 | /// right justified in a field having at least |
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225 | /// the specified width. |
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226 | |
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227 | static void append0(std::string& str, int value, int width); |
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228 | /// Formats an integer value in decimal notation, |
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229 | /// right justified and zero-padded in a field |
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230 | /// having at least the specified width. |
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231 | |
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232 | static void appendHex(std::string& str, int value); |
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233 | /// Formats an int value in hexadecimal notation. |
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234 | /// The value is treated as unsigned. |
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235 | |
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236 | static void appendHex(std::string& str, int value, int width); |
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237 | /// Formats a int value in hexadecimal notation, |
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238 | /// right justified and zero-padded in |
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239 | /// a field having at least the specified width. |
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240 | /// The value is treated as unsigned. |
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241 | |
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242 | static void append(std::string& str, unsigned value); |
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243 | /// Formats an unsigned int value in decimal notation. |
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244 | |
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245 | static void append(std::string& str, unsigned value, int width); |
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246 | /// Formats an unsigned long int in decimal notation, |
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247 | /// right justified in a field having at least the |
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248 | /// specified width. |
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249 | |
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250 | static void append0(std::string& str, unsigned int value, int width); |
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251 | /// Formats an unsigned int value in decimal notation, |
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252 | /// right justified and zero-padded in a field having at |
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253 | /// least the specified width. |
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254 | |
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255 | static void appendHex(std::string& str, unsigned value); |
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256 | /// Formats an unsigned int value in hexadecimal notation. |
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257 | |
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258 | static void appendHex(std::string& str, unsigned value, int width); |
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259 | /// Formats a int value in hexadecimal notation, |
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260 | /// right justified and zero-padded in |
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261 | /// a field having at least the specified width. |
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262 | |
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263 | static void append(std::string& str, long value); |
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264 | /// Formats a long value in decimal notation. |
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265 | |
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266 | static void append(std::string& str, long value, int width); |
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267 | /// Formats a long value in decimal notation, |
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268 | /// right justified in a field having at least the |
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269 | /// specified width. |
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270 | |
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271 | static void append0(std::string& str, long value, int width); |
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272 | /// Formats a long value in decimal notation, |
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273 | /// right justified and zero-padded in a field |
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274 | /// having at least the specified width. |
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275 | |
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276 | static void appendHex(std::string& str, long value); |
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277 | /// Formats an unsigned long value in hexadecimal notation. |
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278 | /// The value is treated as unsigned. |
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279 | |
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280 | static void appendHex(std::string& str, long value, int width); |
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281 | /// Formats an unsigned long value in hexadecimal notation, |
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282 | /// right justified and zero-padded in a field having at least the |
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283 | /// specified width. |
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284 | /// The value is treated as unsigned. |
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285 | |
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286 | static void append(std::string& str, unsigned long value); |
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287 | /// Formats an unsigned long value in decimal notation. |
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288 | |
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289 | static void append(std::string& str, unsigned long value, int width); |
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290 | /// Formats an unsigned long value in decimal notation, |
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291 | /// right justified in a field having at least the specified |
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292 | /// width. |
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293 | |
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294 | static void append0(std::string& str, unsigned long value, int width); |
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295 | /// Formats an unsigned long value in decimal notation, |
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296 | /// right justified and zero-padded |
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297 | /// in a field having at least the specified width. |
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298 | |
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299 | static void appendHex(std::string& str, unsigned long value); |
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300 | /// Formats an unsigned long value in hexadecimal notation. |
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301 | |
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302 | static void appendHex(std::string& str, unsigned long value, int width); |
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303 | /// Formats an unsigned long value in hexadecimal notation, |
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304 | /// right justified and zero-padded in a field having at least the |
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305 | /// specified width. |
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306 | |
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307 | #if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
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308 | |
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309 | static void append(std::string& str, Int64 value); |
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310 | /// Formats a 64-bit integer value in decimal notation. |
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311 | |
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312 | static void append(std::string& str, Int64 value, int width); |
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313 | /// Formats a 64-bit integer value in decimal notation, |
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314 | /// right justified in a field having at least the specified width. |
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315 | |
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316 | static void append0(std::string& str, Int64 value, int width); |
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317 | /// Formats a 64-bit integer value in decimal notation, |
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318 | /// right justified and zero-padded in a field having at least |
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319 | /// the specified width. |
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320 | |
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321 | static void appendHex(std::string& str, Int64 value); |
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322 | /// Formats a 64-bit integer value in hexadecimal notation. |
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323 | /// The value is treated as unsigned. |
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324 | |
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325 | static void appendHex(std::string& str, Int64 value, int width); |
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326 | /// Formats a 64-bit integer value in hexadecimal notation, |
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327 | /// right justified and zero-padded in a field having at least |
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328 | /// the specified width. |
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329 | /// The value is treated as unsigned. |
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330 | |
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331 | static void append(std::string& str, UInt64 value); |
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332 | /// Formats an unsigned 64-bit integer value in decimal notation. |
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333 | |
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334 | static void append(std::string& str, UInt64 value, int width); |
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335 | /// Formats an unsigned 64-bit integer value in decimal notation, |
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336 | /// right justified in a field having at least the specified width. |
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337 | |
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338 | static void append0(std::string& str, UInt64 value, int width); |
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339 | /// Formats an unsigned 64-bit integer value in decimal notation, |
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340 | /// right justified and zero-padded in a field having at least the |
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341 | /// specified width. |
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342 | |
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343 | static void appendHex(std::string& str, UInt64 value); |
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344 | /// Formats a 64-bit integer value in hexadecimal notation. |
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345 | |
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346 | static void appendHex(std::string& str, UInt64 value, int width); |
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347 | /// Formats a 64-bit integer value in hexadecimal notation, |
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348 | /// right justified and zero-padded in a field having at least |
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349 | /// the specified width. |
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350 | |
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351 | #endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
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352 | |
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353 | static void append(std::string& str, float value); |
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354 | /// Formats a float value in decimal floating-point notation, |
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355 | /// according to std::printf's %g format with a precision of 8 fractional digits. |
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356 | |
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357 | static void append(std::string& str, double value); |
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358 | /// Formats a double value in decimal floating-point notation, |
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359 | /// according to std::printf's %g format with a precision of 16 fractional digits. |
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360 | |
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361 | static void append(std::string& str, double value, int precision); |
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362 | /// Formats a double value in decimal floating-point notation, |
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363 | /// according to std::printf's %f format with the given precision. |
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364 | |
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365 | static void append(std::string& str, double value, int width, int precision); |
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366 | /// Formats a double value in decimal floating-point notation, |
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367 | /// right justified in a field of the specified width, |
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368 | /// with the number of fractional digits given in precision. |
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369 | |
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370 | static void append(std::string& str, const void* ptr); |
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371 | /// Formats a pointer in an eight (32-bit architectures) or |
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372 | /// sixteen (64-bit architectures) characters wide |
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373 | /// field in hexadecimal notation. |
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374 | }; |
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375 | |
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376 | |
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377 | // |
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378 | // inlines |
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379 | // |
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380 | inline std::string NumberFormatter::format(int value) |
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381 | { |
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382 | std::string result; |
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383 | append(result, value); |
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384 | return result; |
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385 | } |
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386 | |
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387 | |
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388 | inline std::string NumberFormatter::format(int value, int width) |
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389 | { |
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390 | std::string result; |
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391 | append(result, value, width); |
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392 | return result; |
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393 | } |
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394 | |
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395 | |
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396 | inline std::string NumberFormatter::format0(int value, int width) |
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397 | { |
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398 | std::string result; |
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399 | append0(result, value, width); |
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400 | return result; |
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401 | } |
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402 | |
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403 | |
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404 | inline std::string NumberFormatter::formatHex(int value) |
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405 | { |
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406 | std::string result; |
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407 | appendHex(result, value); |
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408 | return result; |
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409 | } |
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410 | |
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411 | |
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412 | inline std::string NumberFormatter::formatHex(int value, int width) |
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413 | { |
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414 | std::string result; |
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415 | appendHex(result, value, width); |
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416 | return result; |
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417 | } |
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418 | |
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419 | |
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420 | inline std::string NumberFormatter::format(unsigned value) |
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421 | { |
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422 | std::string result; |
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423 | append(result, value); |
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424 | return result; |
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425 | } |
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426 | |
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427 | |
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428 | inline std::string NumberFormatter::format(unsigned value, int width) |
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429 | { |
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430 | std::string result; |
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431 | append(result, value, width); |
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432 | return result; |
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433 | } |
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434 | |
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435 | |
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436 | inline std::string NumberFormatter::format0(unsigned int value, int width) |
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437 | { |
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438 | std::string result; |
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439 | append0(result, value, width); |
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440 | return result; |
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441 | } |
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442 | |
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443 | |
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444 | inline std::string NumberFormatter::formatHex(unsigned value) |
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445 | { |
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446 | std::string result; |
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447 | appendHex(result, value); |
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448 | return result; |
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449 | } |
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450 | |
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451 | |
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452 | inline std::string NumberFormatter::formatHex(unsigned value, int width) |
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453 | { |
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454 | std::string result; |
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455 | appendHex(result, value, width); |
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456 | return result; |
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457 | } |
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458 | |
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459 | |
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460 | inline std::string NumberFormatter::format(long value) |
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461 | { |
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462 | std::string result; |
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463 | append(result, value); |
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464 | return result; |
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465 | } |
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466 | |
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467 | |
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468 | inline std::string NumberFormatter::format(long value, int width) |
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469 | { |
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470 | std::string result; |
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471 | append(result, value, width); |
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472 | return result; |
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473 | } |
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474 | |
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475 | |
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476 | inline std::string NumberFormatter::format0(long value, int width) |
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477 | { |
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478 | std::string result; |
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479 | append0(result, value, width); |
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480 | return result; |
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481 | } |
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482 | |
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483 | |
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484 | inline std::string NumberFormatter::formatHex(long value) |
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485 | { |
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486 | std::string result; |
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487 | appendHex(result, value); |
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488 | return result; |
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489 | } |
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490 | |
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491 | |
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492 | inline std::string NumberFormatter::formatHex(long value, int width) |
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493 | { |
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494 | std::string result; |
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495 | appendHex(result, value, width); |
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496 | return result; |
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497 | } |
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498 | |
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499 | |
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500 | inline std::string NumberFormatter::format(unsigned long value) |
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501 | { |
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502 | std::string result; |
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503 | append(result, value); |
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504 | return result; |
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505 | } |
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506 | |
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507 | |
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508 | inline std::string NumberFormatter::format(unsigned long value, int width) |
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509 | { |
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510 | std::string result; |
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511 | append(result, value, width); |
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512 | return result; |
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513 | } |
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514 | |
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515 | |
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516 | inline std::string NumberFormatter::format0(unsigned long value, int width) |
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517 | { |
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518 | std::string result; |
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519 | append0(result, value, width); |
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520 | return result; |
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521 | } |
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522 | |
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523 | |
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524 | inline std::string NumberFormatter::formatHex(unsigned long value) |
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525 | { |
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526 | std::string result; |
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527 | appendHex(result, value); |
---|
528 | return result; |
---|
529 | } |
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530 | |
---|
531 | |
---|
532 | inline std::string NumberFormatter::formatHex(unsigned long value, int width) |
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533 | { |
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534 | std::string result; |
---|
535 | appendHex(result, value, width); |
---|
536 | return result; |
---|
537 | } |
---|
538 | |
---|
539 | |
---|
540 | #if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
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541 | |
---|
542 | |
---|
543 | inline std::string NumberFormatter::format(Int64 value) |
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544 | { |
---|
545 | std::string result; |
---|
546 | append(result, value); |
---|
547 | return result; |
---|
548 | } |
---|
549 | |
---|
550 | |
---|
551 | inline std::string NumberFormatter::format(Int64 value, int width) |
---|
552 | { |
---|
553 | std::string result; |
---|
554 | append(result, value, width); |
---|
555 | return result; |
---|
556 | } |
---|
557 | |
---|
558 | |
---|
559 | inline std::string NumberFormatter::format0(Int64 value, int width) |
---|
560 | { |
---|
561 | std::string result; |
---|
562 | append0(result, value, width); |
---|
563 | return result; |
---|
564 | } |
---|
565 | |
---|
566 | |
---|
567 | inline std::string NumberFormatter::formatHex(Int64 value) |
---|
568 | { |
---|
569 | std::string result; |
---|
570 | appendHex(result, value); |
---|
571 | return result; |
---|
572 | } |
---|
573 | |
---|
574 | |
---|
575 | inline std::string NumberFormatter::formatHex(Int64 value, int width) |
---|
576 | { |
---|
577 | std::string result; |
---|
578 | appendHex(result, value, width); |
---|
579 | return result; |
---|
580 | } |
---|
581 | |
---|
582 | |
---|
583 | inline std::string NumberFormatter::format(UInt64 value) |
---|
584 | { |
---|
585 | std::string result; |
---|
586 | append(result, value); |
---|
587 | return result; |
---|
588 | } |
---|
589 | |
---|
590 | |
---|
591 | inline std::string NumberFormatter::format(UInt64 value, int width) |
---|
592 | { |
---|
593 | std::string result; |
---|
594 | append(result, value, width); |
---|
595 | return result; |
---|
596 | } |
---|
597 | |
---|
598 | |
---|
599 | inline std::string NumberFormatter::format0(UInt64 value, int width) |
---|
600 | { |
---|
601 | std::string result; |
---|
602 | append0(result, value, width); |
---|
603 | return result; |
---|
604 | } |
---|
605 | |
---|
606 | |
---|
607 | inline std::string NumberFormatter::formatHex(UInt64 value) |
---|
608 | { |
---|
609 | std::string result; |
---|
610 | appendHex(result, value); |
---|
611 | return result; |
---|
612 | } |
---|
613 | |
---|
614 | |
---|
615 | inline std::string NumberFormatter::formatHex(UInt64 value, int width) |
---|
616 | { |
---|
617 | std::string result; |
---|
618 | appendHex(result, value, width); |
---|
619 | return result; |
---|
620 | } |
---|
621 | |
---|
622 | |
---|
623 | #endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT) |
---|
624 | |
---|
625 | |
---|
626 | inline std::string NumberFormatter::format(float value) |
---|
627 | { |
---|
628 | std::string result; |
---|
629 | append(result, value); |
---|
630 | return result; |
---|
631 | } |
---|
632 | |
---|
633 | |
---|
634 | inline std::string NumberFormatter::format(double value) |
---|
635 | { |
---|
636 | std::string result; |
---|
637 | append(result, value); |
---|
638 | return result; |
---|
639 | } |
---|
640 | |
---|
641 | |
---|
642 | inline std::string NumberFormatter::format(double value, int precision) |
---|
643 | { |
---|
644 | std::string result; |
---|
645 | append(result, value, precision); |
---|
646 | return result; |
---|
647 | } |
---|
648 | |
---|
649 | |
---|
650 | inline std::string NumberFormatter::format(double value, int width, int precision) |
---|
651 | { |
---|
652 | std::string result; |
---|
653 | append(result, value, width, precision); |
---|
654 | return result; |
---|
655 | } |
---|
656 | |
---|
657 | |
---|
658 | inline std::string NumberFormatter::format(const void* ptr) |
---|
659 | { |
---|
660 | std::string result; |
---|
661 | append(result, ptr); |
---|
662 | return result; |
---|
663 | } |
---|
664 | |
---|
665 | |
---|
666 | } // namespace Poco |
---|
667 | |
---|
668 | |
---|
669 | #endif // Foundation_NumberFormatter_INCLUDED |
---|