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| <div class="section" lang="en"> |
| <div class="titlepage"><div><div><h5 class="title"> |
| <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 Aware Regex Iterators</a> |
| </h5></div></div></div> |
| <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator"></a><h5> |
| <a name="id1025632"></a> |
| <a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator">u32regex_iterator</a> |
| </h5> |
| <p> |
| Type <code class="computeroutput"><span class="identifier">u32regex_iterator</span></code> |
| 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 |
| the regular expression type is always <code class="computeroutput"><span class="identifier">u32regex</span></code> |
| it only takes one template parameter (the iterator type). It also calls |
| <code class="computeroutput"><span class="identifier">u32regex_search</span></code> internally, |
| allowing it to interface correctly with UTF-8, UTF-16, and UTF-32 data: |
| </p> |
| <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> |
| <span class="keyword">class</span> <span class="identifier">u32regex_iterator</span> |
| <span class="special">{</span> |
| <span class="comment">// for members see regex_iterator |
| </span><span class="special">};</span> |
| |
| <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> |
| <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> |
| <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> |
| </pre> |
| <p> |
| In order to simplify the construction of a <code class="computeroutput"><span class="identifier">u32regex_iterator</span></code> |
| from a string, there are a series of non-member helper functions called |
| make_u32regex_iterator: |
| </p> |
| <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> |
| <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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| |
| <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> |
| <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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| |
| <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">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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| |
| <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">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> |
| <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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| |
| <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">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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| </pre> |
| <p> |
| Each of these overloads returns an iterator that enumerates all occurrences |
| of expression <span class="emphasis"><em>e</em></span>, in text <span class="emphasis"><em>s</em></span>, |
| using match_flags <span class="emphasis"><em>m</em></span>. |
| </p> |
| <p> |
| Example: search for international currency symbols, along with their |
| associated numeric value: |
| </p> |
| <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> |
| <span class="special">{</span> |
| <span class="comment">// enumerate and print all the currency symbols, along |
| </span> <span class="comment">// with any associated numeric values: |
| </span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">re</span> <span class="special">=</span> |
| <span class="string">"([[:Sc:]][[:Cf:][:Cc:][:Z*:]]*)?"</span> |
| <span class="string">"([[:Nd:]]+(?:[[:Po:]][[:Nd:]]+)?)?"</span> |
| <span class="string">"(?(1)"</span> |
| <span class="string">"|(?(2)"</span> |
| <span class="string">"[[:Cf:][:Cc:][:Z*:]]*"</span> |
| <span class="string">")"</span> |
| <span class="string">"[[:Sc:]]"</span> |
| <span class="string">")"</span><span class="special">;</span> |
| <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> |
| <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> |
| <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> |
| <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> |
| <span class="special">{</span> |
| <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> |
| <span class="special">++</span><span class="identifier">i</span><span class="special">;</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| </pre> |
| <p> |
| Calling |
| </p> |
| <pre class="programlisting">enumerate_currencies(" $100.23 or £198.12 ");</pre> |
| <p> |
| Yields the output: |
| </p> |
| <pre class="programlisting">$100.23 |
| £198.12 |
| </pre> |
| <p> |
| Provided of course that the input is encoded as UTF-8. |
| </p> |
| <a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator"></a><h5> |
| <a name="id1026901"></a> |
| <a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator">u32regex_token_iterator</a> |
| </h5> |
| <p> |
| Type <code class="computeroutput"><span class="identifier">u32regex_token_iterator</span></code> |
| 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 |
| that since the regular expression type is always <code class="computeroutput"><span class="identifier">u32regex</span></code> |
| it only takes one template parameter (the iterator type). It also calls |
| <code class="computeroutput"><span class="identifier">u32regex_search</span></code> internally, |
| allowing it to interface correctly with UTF-8, UTF-16, and UTF-32 data: |
| </p> |
| <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> |
| <span class="keyword">class</span> <span class="identifier">u32regex_token_iterator</span> |
| <span class="special">{</span> |
| <span class="comment">// for members see regex_token_iterator |
| </span><span class="special">};</span> |
| |
| <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> |
| <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> |
| <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> |
| </pre> |
| <p> |
| In order to simplify the construction of a <code class="computeroutput"><span class="identifier">u32regex_token_iterator</span></code> |
| from a string, there are a series of non-member helper functions called |
| <code class="computeroutput"><span class="identifier">make_u32regex_token_iterator</span></code>: |
| </p> |
| <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> |
| <span class="identifier">make_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">s</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> |
| <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> |
| |
| <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> |
| <span class="identifier">make_u32regex_token_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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> |
| <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> |
| |
| <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">make_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">s</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> |
| <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> |
| |
| <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">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> |
| <span class="identifier">make_u32regex_token_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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> |
| <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> |
| |
| <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">make_u32regex_token_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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="keyword">int</span> <span class="identifier">sub</span><span class="special">,</span> |
| <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> |
| </pre> |
| <p> |
| Each of these overloads returns an iterator that enumerates all occurrences |
| of marked sub-expression sub in regular expression <span class="emphasis"><em>e</em></span>, |
| found in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. |
| </p> |
| <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> |
| <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">make_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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> |
| <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> |
| <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> |
| <span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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> |
| <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">make_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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> |
| <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> |
| <span class="identifier">make_u32regex_token_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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> |
| <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">make_u32regex_token_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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| </pre> |
| <p> |
| Each of these overloads returns an iterator that enumerates one sub-expression |
| for each submatch in regular expression <span class="emphasis"><em>e</em></span>, found |
| in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. |
| </p> |
| <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> |
| <span class="identifier">make_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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> |
| <span class="identifier">make_u32regex_token_iterator</span><span class="special">(</span> |
| <span class="keyword">const</span> <span class="keyword">wchar_t</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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">make_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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">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> |
| <span class="identifier">make_u32regex_token_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">p</span><span class="special">,</span> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| |
| <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">make_u32regex_token_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> |
| <span class="keyword">const</span> <span class="identifier">u32regex</span><span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <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> |
| <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> |
| </pre> |
| <p> |
| Each of these overloads returns an iterator that enumerates one sub-expression |
| for each submatch in regular expression <span class="emphasis"><em>e</em></span>, found |
| in text <span class="emphasis"><em>s</em></span>, using match_flags <span class="emphasis"><em>m</em></span>. |
| </p> |
| <p> |
| Example: search for international currency symbols, along with their |
| associated numeric value: |
| </p> |
| <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> |
| <span class="special">{</span> |
| <span class="comment">// enumerate and print all the currency symbols, along |
| </span> <span class="comment">// with any associated numeric values: |
| </span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">re</span> <span class="special">=</span> |
| <span class="string">"([[:Sc:]][[:Cf:][:Cc:][:Z*:]]*)?"</span> |
| <span class="string">"([[:Nd:]]+(?:[[:Po:]][[:Nd:]]+)?)?"</span> |
| <span class="string">"(?(1)"</span> |
| <span class="string">"|(?(2)"</span> |
| <span class="string">"[[:Cf:][:Cc:][:Z*:]]*"</span> |
| <span class="string">")"</span> |
| <span class="string">"[[:Sc:]]"</span> |
| <span class="string">")"</span><span class="special">;</span> |
| <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> |
| <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> |
| <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> |
| <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> |
| <span class="special">{</span> |
| <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> |
| <span class="special">++</span><span class="identifier">i</span><span class="special">;</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| </pre> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 1998 -2010 John Maddock<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 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>) |
| </p> |
| </div></td> |
| </tr></table> |
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