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. |
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4 | // |
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5 | // Distributed under the Boost Software License, Version 1.0. |
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6 | // (See accompanying file LICENSE_1_0.txt or copy at |
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7 | // http://www.boost.org/LICENSE_1_0.txt) |
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8 | |
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9 | // See http://www.boost.org/ for updates, documentation, and revision history. |
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10 | |
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11 | #ifndef BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
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12 | #define BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
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13 | |
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14 | #include <boost/algorithm/string/config.hpp> |
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15 | #include <boost/range/iterator_range.hpp> |
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16 | #include <boost/range/const_iterator.hpp> |
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17 | #include <boost/range/value_type.hpp> |
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18 | #include <boost/algorithm/string/detail/find_format_store.hpp> |
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19 | #include <boost/algorithm/string/detail/replace_storage.hpp> |
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20 | |
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21 | namespace boost { |
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22 | namespace algorithm { |
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23 | namespace detail { |
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24 | |
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25 | // find_format_all_copy (iterator variant) implementation ---------------------------// |
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26 | |
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27 | template< |
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28 | typename OutputIteratorT, |
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29 | typename InputT, |
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30 | typename FinderT, |
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31 | typename FormatterT, |
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32 | typename FindResultT, |
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33 | typename FormatResultT > |
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34 | inline OutputIteratorT find_format_all_copy_impl2( |
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35 | OutputIteratorT Output, |
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36 | const InputT& Input, |
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37 | FinderT Finder, |
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38 | FormatterT Formatter, |
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39 | const FindResultT& FindResult, |
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40 | const FormatResultT& FormatResult ) |
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41 | { |
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42 | typedef BOOST_STRING_TYPENAME |
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43 | range_const_iterator<InputT>::type input_iterator_type; |
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44 | |
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45 | typedef find_format_store< |
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46 | input_iterator_type, |
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47 | FormatterT, |
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48 | FormatResultT > store_type; |
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49 | |
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50 | // Create store for the find result |
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51 | store_type M( FindResult, FormatResult, Formatter ); |
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52 | |
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53 | // Initialize last match |
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54 | input_iterator_type LastMatch=::boost::begin(Input); |
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55 | |
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56 | // Iterate through all matches |
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57 | while( M ) |
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58 | { |
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59 | // Copy the beginning of the sequence |
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60 | Output = std::copy( LastMatch, M.begin(), Output ); |
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61 | // Copy formated result |
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62 | Output = std::copy( ::boost::begin(M.format_result()), ::boost::end(M.format_result()), Output ); |
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63 | |
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64 | // Proceed to the next match |
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65 | LastMatch=M.end(); |
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66 | M=Finder( LastMatch, ::boost::end(Input) ); |
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67 | } |
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68 | |
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69 | // Copy the rest of the sequence |
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70 | Output = std::copy( LastMatch, ::boost::end(Input), Output ); |
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71 | |
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72 | return Output; |
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73 | } |
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74 | |
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75 | template< |
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76 | typename OutputIteratorT, |
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77 | typename InputT, |
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78 | typename FinderT, |
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79 | typename FormatterT, |
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80 | typename FindResultT > |
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81 | inline OutputIteratorT find_format_all_copy_impl( |
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82 | OutputIteratorT Output, |
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83 | const InputT& Input, |
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84 | FinderT Finder, |
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85 | FormatterT Formatter, |
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86 | const FindResultT& FindResult ) |
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87 | { |
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88 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
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89 | return ::boost::algorithm::detail::find_format_all_copy_impl2( |
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90 | Output, |
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91 | Input, |
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92 | Finder, |
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93 | Formatter, |
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94 | FindResult, |
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95 | Formatter(FindResult) ); |
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96 | } else { |
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97 | return std::copy( ::boost::begin(Input), ::boost::end(Input), Output ); |
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98 | } |
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99 | } |
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100 | |
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101 | // find_format_all_copy implementation ----------------------------------------------// |
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102 | |
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103 | template< |
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104 | typename InputT, |
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105 | typename FinderT, |
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106 | typename FormatterT, |
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107 | typename FindResultT, |
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108 | typename FormatResultT > |
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109 | inline InputT find_format_all_copy_impl2( |
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110 | const InputT& Input, |
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111 | FinderT Finder, |
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112 | FormatterT Formatter, |
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113 | const FindResultT& FindResult, |
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114 | const FormatResultT& FormatResult) |
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115 | { |
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116 | typedef BOOST_STRING_TYPENAME |
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117 | range_const_iterator<InputT>::type input_iterator_type; |
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118 | |
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119 | typedef find_format_store< |
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120 | input_iterator_type, |
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121 | FormatterT, |
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122 | FormatResultT > store_type; |
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123 | |
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124 | // Create store for the find result |
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125 | store_type M( FindResult, FormatResult, Formatter ); |
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126 | |
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127 | // Initialize last match |
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128 | input_iterator_type LastMatch=::boost::begin(Input); |
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129 | |
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130 | // Output temporary |
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131 | InputT Output; |
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132 | |
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133 | // Iterate through all matches |
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134 | while( M ) |
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135 | { |
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136 | // Copy the beginning of the sequence |
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137 | insert( Output, ::boost::end(Output), LastMatch, M.begin() ); |
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138 | // Copy formated result |
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139 | insert( Output, ::boost::end(Output), M.format_result() ); |
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140 | |
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141 | // Proceed to the next match |
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142 | LastMatch=M.end(); |
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143 | M=Finder( LastMatch, ::boost::end(Input) ); |
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144 | } |
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145 | |
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146 | // Copy the rest of the sequence |
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147 | ::boost::algorithm::detail::insert( Output, ::boost::end(Output), LastMatch, ::boost::end(Input) ); |
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148 | |
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149 | return Output; |
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150 | } |
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151 | |
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152 | template< |
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153 | typename InputT, |
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154 | typename FinderT, |
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155 | typename FormatterT, |
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156 | typename FindResultT > |
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157 | inline InputT find_format_all_copy_impl( |
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158 | const InputT& Input, |
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159 | FinderT Finder, |
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160 | FormatterT Formatter, |
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161 | const FindResultT& FindResult) |
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162 | { |
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163 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
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164 | return ::boost::algorithm::detail::find_format_all_copy_impl2( |
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165 | Input, |
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166 | Finder, |
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167 | Formatter, |
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168 | FindResult, |
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169 | Formatter(FindResult) ); |
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170 | } else { |
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171 | return Input; |
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172 | } |
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173 | } |
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174 | |
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175 | // find_format_all implementation ------------------------------------------------// |
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176 | |
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177 | template< |
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178 | typename InputT, |
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179 | typename FinderT, |
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180 | typename FormatterT, |
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181 | typename FindResultT, |
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182 | typename FormatResultT > |
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183 | inline void find_format_all_impl2( |
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184 | InputT& Input, |
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185 | FinderT Finder, |
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186 | FormatterT Formatter, |
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187 | FindResultT FindResult, |
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188 | FormatResultT FormatResult) |
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189 | { |
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190 | typedef BOOST_STRING_TYPENAME |
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191 | range_iterator<InputT>::type input_iterator_type; |
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192 | typedef find_format_store< |
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193 | input_iterator_type, |
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194 | FormatterT, |
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195 | FormatResultT > store_type; |
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196 | |
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197 | // Create store for the find result |
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198 | store_type M( FindResult, FormatResult, Formatter ); |
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199 | |
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200 | // Instantiate replacement storage |
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201 | std::deque< |
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202 | BOOST_STRING_TYPENAME range_value<InputT>::type> Storage; |
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203 | |
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204 | // Initialize replacement iterators |
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205 | input_iterator_type InsertIt=::boost::begin(Input); |
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206 | input_iterator_type SearchIt=::boost::begin(Input); |
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207 | |
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208 | while( M ) |
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209 | { |
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210 | // process the segment |
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211 | InsertIt=process_segment( |
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212 | Storage, |
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213 | Input, |
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214 | InsertIt, |
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215 | SearchIt, |
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216 | M.begin() ); |
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217 | |
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218 | // Adjust search iterator |
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219 | SearchIt=M.end(); |
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220 | |
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221 | // Copy formated replace to the storage |
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222 | ::boost::algorithm::detail::copy_to_storage( Storage, M.format_result() ); |
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223 | |
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224 | // Find range for a next match |
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225 | M=Finder( SearchIt, ::boost::end(Input) ); |
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226 | } |
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227 | |
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228 | // process the last segment |
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229 | InsertIt=::boost::algorithm::detail::process_segment( |
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230 | Storage, |
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231 | Input, |
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232 | InsertIt, |
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233 | SearchIt, |
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234 | ::boost::end(Input) ); |
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235 | |
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236 | if ( Storage.empty() ) |
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237 | { |
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238 | // Truncate input |
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239 | ::boost::algorithm::detail::erase( Input, InsertIt, ::boost::end(Input) ); |
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240 | } |
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241 | else |
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242 | { |
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243 | // Copy remaining data to the end of input |
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244 | ::boost::algorithm::detail::insert( Input, ::boost::end(Input), Storage.begin(), Storage.end() ); |
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245 | } |
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246 | } |
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247 | |
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248 | template< |
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249 | typename InputT, |
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250 | typename FinderT, |
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251 | typename FormatterT, |
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252 | typename FindResultT > |
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253 | inline void find_format_all_impl( |
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254 | InputT& Input, |
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255 | FinderT Finder, |
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256 | FormatterT Formatter, |
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257 | FindResultT FindResult) |
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258 | { |
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259 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
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260 | ::boost::algorithm::detail::find_format_all_impl2( |
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261 | Input, |
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262 | Finder, |
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263 | Formatter, |
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264 | FindResult, |
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265 | Formatter(FindResult) ); |
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266 | } |
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267 | } |
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268 | |
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269 | } // namespace detail |
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270 | } // namespace algorithm |
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271 | } // namespace boost |
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272 | |
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273 | #endif // BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
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