1 | // Boost string_algo library find_format_all.hpp header file ---------------------------//
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2 |
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3 | // Copyright Pavol Droba 2002-2003. Use, modification and
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4 | // distribution is subject to the Boost Software License, Version
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5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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6 | // http://www.boost.org/LICENSE_1_0.txt)
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7 |
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8 | // See http://www.boost.org for updates, documentation, and revision history.
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9 |
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10 | #ifndef BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP
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11 | #define BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP
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12 |
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13 | #include <boost/algorithm/string/config.hpp>
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14 | #include <boost/range/iterator_range.hpp>
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15 | #include <boost/range/const_iterator.hpp>
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16 | #include <boost/range/value_type.hpp>
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17 | #include <boost/algorithm/string/detail/find_format_store.hpp>
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18 | #include <boost/algorithm/string/detail/replace_storage.hpp>
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19 |
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20 | namespace boost {
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21 | namespace algorithm {
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22 | namespace detail {
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23 |
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24 | // find_format_all_copy (iterator variant) implementation ---------------------------//
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25 |
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26 | template<
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27 | typename OutputIteratorT,
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28 | typename InputT,
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29 | typename FinderT,
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30 | typename FormatterT,
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31 | typename FindResultT >
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32 | inline OutputIteratorT find_format_all_copy_impl(
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33 | OutputIteratorT Output,
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34 | const InputT& Input,
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35 | FinderT Finder,
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36 | FormatterT Formatter,
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37 | const FindResultT& FindResult )
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38 | {
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39 | return find_format_all_copy_impl2(
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40 | Output,
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41 | Input,
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42 | Finder,
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43 | Formatter,
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44 | FindResult,
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45 | Formatter(FindResult) );
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46 | }
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47 |
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48 | template<
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49 | typename OutputIteratorT,
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50 | typename InputT,
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51 | typename FinderT,
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52 | typename FormatterT,
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53 | typename FindResultT,
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54 | typename FormatResultT >
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55 | inline OutputIteratorT find_format_all_copy_impl2(
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56 | OutputIteratorT Output,
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57 | const InputT& Input,
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58 | FinderT Finder,
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59 | FormatterT Formatter,
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60 | const FindResultT& FindResult,
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61 | const FormatResultT& FormatResult )
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62 | {
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63 | typedef BOOST_STRING_TYPENAME
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64 | range_const_iterator<InputT>::type input_iterator_type;
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65 |
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66 | typedef find_format_store<
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67 | input_iterator_type,
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68 | FormatterT,
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69 | FormatResultT > store_type;
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70 |
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71 | // Create store for the find result
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72 | store_type M( FindResult, FormatResult, Formatter );
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73 |
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74 | // Initialize last match
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75 | input_iterator_type LastMatch=begin(Input);
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76 |
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77 | // Iterate through all matches
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78 | while( M )
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79 | {
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80 | // Copy the beginning of the sequence
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81 | std::copy( LastMatch, M.begin(), Output );
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82 | // Copy formated result
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83 | std::copy( begin(M.format_result()), end(M.format_result()), Output );
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84 |
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85 | // Proceed to the next match
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86 | LastMatch=M.end();
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87 | M=Finder( LastMatch, end(Input) );
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88 | }
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89 |
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90 | // Copy the rest of the sequence
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91 | std::copy( LastMatch, end(Input), Output );
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92 |
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93 | return Output;
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94 | }
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95 |
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96 | // find_format_all_copy implementation ----------------------------------------------//
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97 |
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98 | template<
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99 | typename InputT,
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100 | typename FinderT,
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101 | typename FormatterT,
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102 | typename FindResultT >
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103 | inline InputT find_format_all_copy_impl(
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104 | const InputT& Input,
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105 | FinderT Finder,
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106 | FormatterT Formatter,
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107 | const FindResultT& FindResult)
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108 | {
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109 | return find_format_all_copy_impl2(
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110 | Input,
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111 | Finder,
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112 | Formatter,
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113 | FindResult,
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114 | Formatter(FindResult) );
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115 | }
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116 |
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117 | template<
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118 | typename InputT,
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119 | typename FinderT,
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120 | typename FormatterT,
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121 | typename FindResultT,
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122 | typename FormatResultT >
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123 | inline InputT find_format_all_copy_impl2(
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124 | const InputT& Input,
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125 | FinderT Finder,
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126 | FormatterT Formatter,
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127 | const FindResultT& FindResult,
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128 | const FormatResultT& FormatResult)
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129 | {
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130 | typedef BOOST_STRING_TYPENAME
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131 | range_const_iterator<InputT>::type input_iterator_type;
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132 |
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133 | typedef find_format_store<
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134 | input_iterator_type,
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135 | FormatterT,
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136 | FormatResultT > store_type;
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137 |
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138 | // Create store for the find result
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139 | store_type M( FindResult, FormatResult, Formatter );
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140 |
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141 | // Initialize last match
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142 | input_iterator_type LastMatch=begin(Input);
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143 |
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144 | // Output temporary
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145 | InputT Output;
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146 |
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147 | // Iterate through all matches
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148 | while( M )
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149 | {
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150 | // Copy the beginning of the sequence
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151 | insert( Output, end(Output), LastMatch, M.begin() );
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152 | // Copy formated result
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153 | insert( Output, end(Output), M.format_result() );
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154 |
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155 | // Proceed to the next match
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156 | LastMatch=M.end();
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157 | M=Finder( LastMatch, end(Input) );
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158 | }
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159 |
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160 | // Copy the rest of the sequence
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161 | insert( Output, end(Output), LastMatch, end(Input) );
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162 |
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163 | return Output;
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164 | }
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165 |
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166 | // find_format_all implementation ------------------------------------------------//
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167 |
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168 | template<
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169 | typename InputT,
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170 | typename FinderT,
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171 | typename FormatterT,
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172 | typename FindResultT >
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173 | inline void find_format_all_impl(
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174 | InputT& Input,
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175 | FinderT Finder,
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176 | FormatterT Formatter,
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177 | FindResultT FindResult)
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178 | {
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179 | find_format_all_impl2(
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180 | Input,
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181 | Finder,
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182 | Formatter,
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183 | FindResult,
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184 | Formatter(FindResult) );
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185 | }
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186 |
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187 | template<
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188 | typename InputT,
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189 | typename FinderT,
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190 | typename FormatterT,
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191 | typename FindResultT,
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192 | typename FormatResultT >
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193 | inline void find_format_all_impl2(
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194 | InputT& Input,
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195 | FinderT Finder,
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196 | FormatterT Formatter,
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197 | FindResultT FindResult,
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198 | FormatResultT FormatResult)
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199 | {
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200 | typedef BOOST_STRING_TYPENAME
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201 | range_iterator<InputT>::type input_iterator_type;
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202 | typedef find_format_store<
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203 | input_iterator_type,
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204 | FormatterT,
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205 | FormatResultT > store_type;
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206 |
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207 | // Create store for the find result
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208 | store_type M( FindResult, FormatResult, Formatter );
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209 |
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210 | // Instantiate replacement storage
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211 | std::deque<
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212 | BOOST_STRING_TYPENAME range_value<InputT>::type> Storage;
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213 |
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214 | // Initialize replacement iterators
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215 | input_iterator_type InsertIt=begin(Input);
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216 | input_iterator_type SearchIt=begin(Input);
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217 |
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218 | while( M )
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219 | {
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220 | // process the segment
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221 | InsertIt=process_segment(
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222 | Storage,
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223 | Input,
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224 | InsertIt,
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225 | SearchIt,
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226 | M.begin() );
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227 |
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228 | // Adjust search iterator
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229 | SearchIt=M.end();
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230 |
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231 | // Copy formated replace to the storage
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232 | copy_to_storage( Storage, M.format_result() );
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233 |
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234 | // Find range for a next match
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235 | M=Finder( SearchIt, end(Input) );
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236 | }
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237 |
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238 | // process the last segment
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239 | InsertIt=process_segment(
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240 | Storage,
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241 | Input,
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242 | InsertIt,
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243 | SearchIt,
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244 | end(Input) );
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245 |
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246 | if ( Storage.empty() )
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247 | {
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248 | // Truncate input
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249 | erase( Input, InsertIt, end(Input) );
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250 | }
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251 | else
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252 | {
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253 | // Copy remaining data to the end of input
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254 | insert( Input, end(Input), Storage.begin(), Storage.end() );
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255 | }
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256 | }
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257 |
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258 | } // namespace detail
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259 | } // namespace algorithm
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260 | } // namespace boost
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261 |
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262 | #endif // BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP
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