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24 | </div> | |
25 | <div class="section"> | |
26 | <div class="titlepage"><div><div><h5 class="title"> | |
27 | <a name="boost_regex.ref.non_std_strings.icu.unicode_iter"></a><a class="link" href="unicode_iter.html" title="Unicode Aware Regex Iterators">Unicode | |
28 | Aware Regex Iterators</a> | |
29 | </h5></div></div></div> | |
30 | <h5> | |
31 | <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.h0"></a> | |
32 | <span class="phrase"><a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator"></a></span><a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator">u32regex_iterator</a> | |
33 | </h5> | |
34 | <p> | |
35 | Type <code class="computeroutput"><span class="identifier">u32regex_iterator</span></code> | |
36 | is in all respects the same as <a class="link" href="../../regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> except that since | |
37 | the regular expression type is always <code class="computeroutput"><span class="identifier">u32regex</span></code> | |
38 | it only takes one template parameter (the iterator type). It also calls | |
39 | <code class="computeroutput"><span class="identifier">u32regex_search</span></code> internally, | |
40 | allowing it to interface correctly with UTF-8, UTF-16, and UTF-32 data: | |
41 | </p> | |
42 | <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span> | |
43 | <span class="keyword">class</span> <span class="identifier">u32regex_iterator</span> | |
44 | <span class="special">{</span> | |
45 | <span class="comment">// for members see regex_iterator</span> | |
46 | <span class="special">};</span> | |
47 | ||
48 | <span class="keyword">typedef</span> <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> <span class="identifier">utf8regex_iterator</span><span class="special">;</span> | |
49 | <span class="keyword">typedef</span> <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> <span class="identifier">utf16regex_iterator</span><span class="special">;</span> | |
50 | <span class="keyword">typedef</span> <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar32</span><span class="special">*></span> <span class="identifier">utf32regex_iterator</span><span class="special">;</span> | |
51 | </pre> | |
52 | <p> | |
53 | In order to simplify the construction of a <code class="computeroutput"><span class="identifier">u32regex_iterator</span></code> | |
54 | from a string, there are a series of non-member helper functions called | |
55 | make_u32regex_iterator: | |
56 | </p> | |
57 | <pre class="programlisting"><span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> | |
58 | <span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
59 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
60 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
61 | ||
62 | <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*></span> | |
63 | <span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
64 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
65 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
66 | ||
67 | <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
68 | <span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
69 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
70 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
71 | ||
72 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Alloc</span><span class="special">></span> | |
73 | <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
74 | <span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>&</span> <span class="identifier">s</span><span class="special">,</span> | |
75 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
76 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
77 | ||
78 | <span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
79 | <span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">UnicodeString</span><span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> | |
80 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
81 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
82 | </pre> | |
83 | <p> | |
84 | Each of these overloads returns an iterator that enumerates all occurrences | |
85 | of expression <span class="emphasis"><em>e</em></span>, in text <span class="emphasis"><em>s</em></span>, | |
86 | using match_flags <span class="emphasis"><em>m</em></span>. | |
87 | </p> | |
88 | <p> | |
89 | Example: search for international currency symbols, along with their | |
90 | associated numeric value: | |
91 | </p> | |
92 | <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">enumerate_currencies</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">text</span><span class="special">)</span> | |
93 | <span class="special">{</span> | |
94 | <span class="comment">// enumerate and print all the currency symbols, along</span> | |
95 | <span class="comment">// with any associated numeric values:</span> | |
96 | <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">re</span> <span class="special">=</span> | |
97 | <span class="string">"([[:Sc:]][[:Cf:][:Cc:][:Z*:]]*)?"</span> | |
98 | <span class="string">"([[:Nd:]]+(?:[[:Po:]][[:Nd:]]+)?)?"</span> | |
99 | <span class="string">"(?(1)"</span> | |
100 | <span class="string">"|(?(2)"</span> | |
101 | <span class="string">"[[:Cf:][:Cc:][:Z*:]]*"</span> | |
102 | <span class="string">")"</span> | |
103 | <span class="string">"[[:Sc:]]"</span> | |
104 | <span class="string">")"</span><span class="special">;</span> | |
105 | <span class="identifier">boost</span><span class="special">::</span><span class="identifier">u32regex</span> <span class="identifier">r</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">make_u32regex</span><span class="special">(</span><span class="identifier">re</span><span class="special">);</span> | |
106 | <span class="identifier">boost</span><span class="special">::</span><span class="identifier">u32regex_iterator</span><span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
107 | <span class="identifier">i</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">make_u32regex_iterator</span><span class="special">(</span><span class="identifier">text</span><span class="special">,</span> <span class="identifier">r</span><span class="special">)),</span> <span class="identifier">j</span><span class="special">;</span> | |
108 | <span class="keyword">while</span><span class="special">(</span><span class="identifier">i</span> <span class="special">!=</span> <span class="identifier">j</span><span class="special">)</span> | |
109 | <span class="special">{</span> | |
110 | <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="special">(*</span><span class="identifier">i</span><span class="special">)[</span><span class="number">0</span><span class="special">]</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> | |
111 | <span class="special">++</span><span class="identifier">i</span><span class="special">;</span> | |
112 | <span class="special">}</span> | |
113 | <span class="special">}</span> | |
114 | </pre> | |
115 | <p> | |
116 | Calling | |
117 | </p> | |
118 | <pre class="programlisting">enumerate_currencies(" $100.23 or £198.12 ");</pre> | |
119 | <p> | |
120 | Yields the output: | |
121 | </p> | |
122 | <pre class="programlisting">$100.23 | |
123 | £198.12 | |
124 | </pre> | |
125 | <p> | |
126 | Provided of course that the input is encoded as UTF-8. | |
127 | </p> | |
128 | <h5> | |
129 | <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.h1"></a> | |
130 | <span class="phrase"><a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator"></a></span><a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator">u32regex_token_iterator</a> | |
131 | </h5> | |
132 | <p> | |
133 | Type <code class="computeroutput"><span class="identifier">u32regex_token_iterator</span></code> | |
134 | is in all respects the same as <a class="link" href="../../regex_token_iterator.html" title="regex_token_iterator"><code class="computeroutput"><span class="identifier">regex_token_iterator</span></code></a> except | |
135 | that since the regular expression type is always <code class="computeroutput"><span class="identifier">u32regex</span></code> | |
136 | it only takes one template parameter (the iterator type). It also calls | |
137 | <code class="computeroutput"><span class="identifier">u32regex_search</span></code> internally, | |
138 | allowing it to interface correctly with UTF-8, UTF-16, and UTF-32 data: | |
139 | </p> | |
140 | <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span> | |
141 | <span class="keyword">class</span> <span class="identifier">u32regex_token_iterator</span> | |
142 | <span class="special">{</span> | |
143 | <span class="comment">// for members see regex_token_iterator</span> | |
144 | <span class="special">};</span> | |
145 | ||
146 | <span class="keyword">typedef</span> <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> <span class="identifier">utf8regex_token_iterator</span><span class="special">;</span> | |
147 | <span class="keyword">typedef</span> <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> <span class="identifier">utf16regex_token_iterator</span><span class="special">;</span> | |
148 | <span class="keyword">typedef</span> <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar32</span><span class="special">*></span> <span class="identifier">utf32regex_token_iterator</span><span class="special">;</span> | |
149 | </pre> | |
150 | <p> | |
151 | In order to simplify the construction of a <code class="computeroutput"><span class="identifier">u32regex_token_iterator</span></code> | |
152 | from a string, there are a series of non-member helper functions called | |
153 | <code class="computeroutput"><span class="identifier">make_u32regex_token_iterator</span></code>: | |
154 | </p> | |
155 | <pre class="programlisting"><span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> | |
156 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
157 | <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
158 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
159 | <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> | |
160 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
161 | ||
162 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*></span> | |
163 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
164 | <span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
165 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
166 | <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> | |
167 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
168 | ||
169 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
170 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
171 | <span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*</span> <span class="identifier">s</span><span class="special">,</span> | |
172 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
173 | <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> | |
174 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
175 | ||
176 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Alloc</span><span class="special">></span> | |
177 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
178 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
179 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>&</span> <span class="identifier">s</span><span class="special">,</span> | |
180 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
181 | <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> | |
182 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
183 | ||
184 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
185 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
186 | <span class="keyword">const</span> <span class="identifier">UnicodeString</span><span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> | |
187 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
188 | <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> | |
189 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
190 | </pre> | |
191 | <p> | |
192 | Each of these overloads returns an iterator that enumerates all occurrences | |
193 | of marked sub-expression sub in regular expression <span class="emphasis"><em>e</em></span>, | |
194 | found in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. | |
195 | </p> | |
196 | <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">></span> | |
197 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> | |
198 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
199 | <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
200 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
201 | <span class="keyword">const</span> <span class="keyword">int</span> <span class="special">(&</span><span class="identifier">submatch</span><span class="special">)[</span><span class="identifier">N</span><span class="special">],</span> | |
202 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
203 | ||
204 | <span class="keyword">template</span> <span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">></span> | |
205 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*></span> | |
206 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
207 | <span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
208 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
209 | <span class="keyword">const</span> <span class="keyword">int</span> <span class="special">(&</span><span class="identifier">submatch</span><span class="special">)[</span><span class="identifier">N</span><span class="special">],</span> | |
210 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
211 | ||
212 | <span class="keyword">template</span> <span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">></span> | |
213 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
214 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
215 | <span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
216 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
217 | <span class="keyword">const</span> <span class="keyword">int</span> <span class="special">(&</span><span class="identifier">submatch</span><span class="special">)[</span><span class="identifier">N</span><span class="special">],</span> | |
218 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
219 | ||
220 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Alloc</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">></span> | |
221 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
222 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
223 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>&</span> <span class="identifier">p</span><span class="special">,</span> | |
224 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
225 | <span class="keyword">const</span> <span class="keyword">int</span> <span class="special">(&</span><span class="identifier">submatch</span><span class="special">)[</span><span class="identifier">N</span><span class="special">],</span> | |
226 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
227 | ||
228 | <span class="keyword">template</span> <span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">></span> | |
229 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
230 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
231 | <span class="keyword">const</span> <span class="identifier">UnicodeString</span><span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> | |
232 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
233 | <span class="keyword">const</span> <span class="keyword">int</span> <span class="special">(&</span><span class="identifier">submatch</span><span class="special">)[</span><span class="identifier">N</span><span class="special">],</span> | |
234 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
235 | </pre> | |
236 | <p> | |
237 | Each of these overloads returns an iterator that enumerates one sub-expression | |
238 | for each submatch in regular expression <span class="emphasis"><em>e</em></span>, found | |
239 | in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. | |
240 | </p> | |
241 | <pre class="programlisting"><span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> | |
242 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
243 | <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
244 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
245 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">>&</span> <span class="identifier">submatch</span><span class="special">,</span> | |
246 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
247 | ||
248 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*></span> | |
249 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
250 | <span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
251 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
252 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">>&</span> <span class="identifier">submatch</span><span class="special">,</span> | |
253 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
254 | ||
255 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
256 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
257 | <span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> | |
258 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
259 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">>&</span> <span class="identifier">submatch</span><span class="special">,</span> | |
260 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
261 | ||
262 | <span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Alloc</span><span class="special">></span> | |
263 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
264 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
265 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Alloc</span><span class="special">>&</span> <span class="identifier">p</span><span class="special">,</span> | |
266 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
267 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">>&</span> <span class="identifier">submatch</span><span class="special">,</span> | |
268 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
269 | ||
270 | <span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">UChar</span><span class="special">*></span> | |
271 | <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> | |
272 | <span class="keyword">const</span> <span class="identifier">UnicodeString</span><span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> | |
273 | <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> | |
274 | <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">>&</span> <span class="identifier">submatch</span><span class="special">,</span> | |
275 | <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span> | |
276 | </pre> | |
277 | <p> | |
278 | Each of these overloads returns an iterator that enumerates one sub-expression | |
279 | for each submatch in regular expression <span class="emphasis"><em>e</em></span>, found | |
280 | in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. | |
281 | </p> | |
282 | <p> | |
283 | Example: search for international currency symbols, along with their | |
284 | associated numeric value: | |
285 | </p> | |
286 | <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">enumerate_currencies2</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">text</span><span class="special">)</span> | |
287 | <span class="special">{</span> | |
288 | <span class="comment">// enumerate and print all the currency symbols, along</span> | |
289 | <span class="comment">// with any associated numeric values:</span> | |
290 | <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">re</span> <span class="special">=</span> | |
291 | <span class="string">"([[:Sc:]][[:Cf:][:Cc:][:Z*:]]*)?"</span> | |
292 | <span class="string">"([[:Nd:]]+(?:[[:Po:]][[:Nd:]]+)?)?"</span> | |
293 | <span class="string">"(?(1)"</span> | |
294 | <span class="string">"|(?(2)"</span> | |
295 | <span class="string">"[[:Cf:][:Cc:][:Z*:]]*"</span> | |
296 | <span class="string">")"</span> | |
297 | <span class="string">"[[:Sc:]]"</span> | |
298 | <span class="string">")"</span><span class="special">;</span> | |
299 | <span class="identifier">boost</span><span class="special">::</span><span class="identifier">u32regex</span> <span class="identifier">r</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">make_u32regex</span><span class="special">(</span><span class="identifier">re</span><span class="special">);</span> | |
300 | <span class="identifier">boost</span><span class="special">::</span><span class="identifier">u32regex_token_iterator</span><span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">::</span><span class="identifier">const_iterator</span><span class="special">></span> | |
301 | <span class="identifier">i</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span><span class="identifier">text</span><span class="special">,</span> <span class="identifier">r</span><span class="special">,</span> <span class="number">1</span><span class="special">)),</span> <span class="identifier">j</span><span class="special">;</span> | |
302 | <span class="keyword">while</span><span class="special">(</span><span class="identifier">i</span> <span class="special">!=</span> <span class="identifier">j</span><span class="special">)</span> | |
303 | <span class="special">{</span> | |
304 | <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="special">*</span><span class="identifier">i</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> | |
305 | <span class="special">++</span><span class="identifier">i</span><span class="special">;</span> | |
306 | <span class="special">}</span> | |
307 | <span class="special">}</span> | |
308 | </pre> | |
309 | </div> | |
310 | <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> | |
311 | <td align="left"></td> | |
312 | <td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p> | |
313 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
314 | file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) | |
315 | </p> | |
316 | </div></td> | |
317 | </tr></table> | |
318 | <hr> | |
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