1 | // Boost string_algo library find_format_all.hpp header file ---------------------------// |
2 | |
3 | // Copyright Pavol Droba 2002-2003. |
4 | // |
5 | // Distributed under the Boost Software License, Version 1.0. |
6 | // (See accompanying file LICENSE_1_0.txt or copy at |
7 | // http://www.boost.org/LICENSE_1_0.txt) |
8 | |
9 | // See http://www.boost.org/ for updates, documentation, and revision history. |
10 | |
11 | #ifndef BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
12 | #define BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
13 | |
14 | #include <boost/algorithm/string/config.hpp> |
15 | #include <boost/range/iterator_range_core.hpp> |
16 | #include <boost/range/const_iterator.hpp> |
17 | #include <boost/range/value_type.hpp> |
18 | #include <boost/algorithm/string/detail/find_format_store.hpp> |
19 | #include <boost/algorithm/string/detail/replace_storage.hpp> |
20 | |
21 | namespace boost { |
22 | namespace algorithm { |
23 | namespace detail { |
24 | |
25 | // find_format_all_copy (iterator variant) implementation ---------------------------// |
26 | |
27 | template< |
28 | typename OutputIteratorT, |
29 | typename InputT, |
30 | typename FinderT, |
31 | typename FormatterT, |
32 | typename FindResultT, |
33 | typename FormatResultT > |
34 | inline OutputIteratorT find_format_all_copy_impl2( |
35 | OutputIteratorT Output, |
36 | const InputT& Input, |
37 | FinderT Finder, |
38 | FormatterT Formatter, |
39 | const FindResultT& FindResult, |
40 | const FormatResultT& FormatResult ) |
41 | { |
42 | typedef BOOST_STRING_TYPENAME |
43 | range_const_iterator<InputT>::type input_iterator_type; |
44 | |
45 | typedef find_format_store< |
46 | input_iterator_type, |
47 | FormatterT, |
48 | FormatResultT > store_type; |
49 | |
50 | // Create store for the find result |
51 | store_type M( FindResult, FormatResult, Formatter ); |
52 | |
53 | // Initialize last match |
54 | input_iterator_type LastMatch=::boost::begin(Input); |
55 | |
56 | // Iterate through all matches |
57 | while( M ) |
58 | { |
59 | // Copy the beginning of the sequence |
60 | Output = std::copy( LastMatch, M.begin(), Output ); |
61 | // Copy formatted result |
62 | Output = std::copy( ::boost::begin(M.format_result()), ::boost::end(M.format_result()), Output ); |
63 | |
64 | // Proceed to the next match |
65 | LastMatch=M.end(); |
66 | M=Finder( LastMatch, ::boost::end(Input) ); |
67 | } |
68 | |
69 | // Copy the rest of the sequence |
70 | Output = std::copy( LastMatch, ::boost::end(Input), Output ); |
71 | |
72 | return Output; |
73 | } |
74 | |
75 | template< |
76 | typename OutputIteratorT, |
77 | typename InputT, |
78 | typename FinderT, |
79 | typename FormatterT, |
80 | typename FindResultT > |
81 | inline OutputIteratorT find_format_all_copy_impl( |
82 | OutputIteratorT Output, |
83 | const InputT& Input, |
84 | FinderT Finder, |
85 | FormatterT Formatter, |
86 | const FindResultT& FindResult ) |
87 | { |
88 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
89 | return ::boost::algorithm::detail::find_format_all_copy_impl2( |
90 | Output, |
91 | Input, |
92 | Finder, |
93 | Formatter, |
94 | FindResult, |
95 | Formatter(FindResult) ); |
96 | } else { |
97 | return std::copy( ::boost::begin(Input), ::boost::end(Input), Output ); |
98 | } |
99 | } |
100 | |
101 | // find_format_all_copy implementation ----------------------------------------------// |
102 | |
103 | template< |
104 | typename InputT, |
105 | typename FinderT, |
106 | typename FormatterT, |
107 | typename FindResultT, |
108 | typename FormatResultT > |
109 | inline InputT find_format_all_copy_impl2( |
110 | const InputT& Input, |
111 | FinderT Finder, |
112 | FormatterT Formatter, |
113 | const FindResultT& FindResult, |
114 | const FormatResultT& FormatResult) |
115 | { |
116 | typedef BOOST_STRING_TYPENAME |
117 | range_const_iterator<InputT>::type input_iterator_type; |
118 | |
119 | typedef find_format_store< |
120 | input_iterator_type, |
121 | FormatterT, |
122 | FormatResultT > store_type; |
123 | |
124 | // Create store for the find result |
125 | store_type M( FindResult, FormatResult, Formatter ); |
126 | |
127 | // Initialize last match |
128 | input_iterator_type LastMatch=::boost::begin(Input); |
129 | |
130 | // Output temporary |
131 | InputT Output; |
132 | |
133 | // Iterate through all matches |
134 | while( M ) |
135 | { |
136 | // Copy the beginning of the sequence |
137 | boost::algorithm::detail::insert( Output, ::boost::end(Output), LastMatch, M.begin() ); |
138 | // Copy formatted result |
139 | boost::algorithm::detail::insert( Output, ::boost::end(Output), M.format_result() ); |
140 | |
141 | // Proceed to the next match |
142 | LastMatch=M.end(); |
143 | M=Finder( LastMatch, ::boost::end(Input) ); |
144 | } |
145 | |
146 | // Copy the rest of the sequence |
147 | ::boost::algorithm::detail::insert( Output, ::boost::end(Output), LastMatch, ::boost::end(Input) ); |
148 | |
149 | return Output; |
150 | } |
151 | |
152 | template< |
153 | typename InputT, |
154 | typename FinderT, |
155 | typename FormatterT, |
156 | typename FindResultT > |
157 | inline InputT find_format_all_copy_impl( |
158 | const InputT& Input, |
159 | FinderT Finder, |
160 | FormatterT Formatter, |
161 | const FindResultT& FindResult) |
162 | { |
163 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
164 | return ::boost::algorithm::detail::find_format_all_copy_impl2( |
165 | Input, |
166 | Finder, |
167 | Formatter, |
168 | FindResult, |
169 | Formatter(FindResult) ); |
170 | } else { |
171 | return Input; |
172 | } |
173 | } |
174 | |
175 | // find_format_all implementation ------------------------------------------------// |
176 | |
177 | template< |
178 | typename InputT, |
179 | typename FinderT, |
180 | typename FormatterT, |
181 | typename FindResultT, |
182 | typename FormatResultT > |
183 | inline void find_format_all_impl2( |
184 | InputT& Input, |
185 | FinderT Finder, |
186 | FormatterT Formatter, |
187 | FindResultT FindResult, |
188 | FormatResultT FormatResult) |
189 | { |
190 | typedef BOOST_STRING_TYPENAME |
191 | range_iterator<InputT>::type input_iterator_type; |
192 | typedef find_format_store< |
193 | input_iterator_type, |
194 | FormatterT, |
195 | FormatResultT > store_type; |
196 | |
197 | // Create store for the find result |
198 | store_type M( FindResult, FormatResult, Formatter ); |
199 | |
200 | // Instantiate replacement storage |
201 | std::deque< |
202 | BOOST_STRING_TYPENAME range_value<InputT>::type> Storage; |
203 | |
204 | // Initialize replacement iterators |
205 | input_iterator_type InsertIt=::boost::begin(Input); |
206 | input_iterator_type SearchIt=::boost::begin(Input); |
207 | |
208 | while( M ) |
209 | { |
210 | // process the segment |
211 | InsertIt=process_segment( |
212 | Storage, |
213 | Input, |
214 | InsertIt, |
215 | SearchIt, |
216 | M.begin() ); |
217 | |
218 | // Adjust search iterator |
219 | SearchIt=M.end(); |
220 | |
221 | // Copy formatted replace to the storage |
222 | ::boost::algorithm::detail::copy_to_storage( Storage, M.format_result() ); |
223 | |
224 | // Find range for a next match |
225 | M=Finder( SearchIt, ::boost::end(Input) ); |
226 | } |
227 | |
228 | // process the last segment |
229 | InsertIt=::boost::algorithm::detail::process_segment( |
230 | Storage, |
231 | Input, |
232 | InsertIt, |
233 | SearchIt, |
234 | ::boost::end(Input) ); |
235 | |
236 | if ( Storage.empty() ) |
237 | { |
238 | // Truncate input |
239 | ::boost::algorithm::detail::erase( Input, InsertIt, ::boost::end(Input) ); |
240 | } |
241 | else |
242 | { |
243 | // Copy remaining data to the end of input |
244 | ::boost::algorithm::detail::insert( Input, ::boost::end(Input), Storage.begin(), Storage.end() ); |
245 | } |
246 | } |
247 | |
248 | template< |
249 | typename InputT, |
250 | typename FinderT, |
251 | typename FormatterT, |
252 | typename FindResultT > |
253 | inline void find_format_all_impl( |
254 | InputT& Input, |
255 | FinderT Finder, |
256 | FormatterT Formatter, |
257 | FindResultT FindResult) |
258 | { |
259 | if( ::boost::algorithm::detail::check_find_result(Input, FindResult) ) { |
260 | ::boost::algorithm::detail::find_format_all_impl2( |
261 | Input, |
262 | Finder, |
263 | Formatter, |
264 | FindResult, |
265 | Formatter(FindResult) ); |
266 | } |
267 | } |
268 | |
269 | } // namespace detail |
270 | } // namespace algorithm |
271 | } // namespace boost |
272 | |
273 | #endif // BOOST_STRING_FIND_FORMAT_ALL_DETAIL_HPP |
274 | |