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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Struct template regex_token_iterator</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp" title="Header <boost/xpressive/xpressive_fwd.hpp>"> <link rel="prev" href="match_results.html" title="Struct template match_results"> <link rel="next" href="regex_id_filter_predicate.html" title="Struct template regex_id_filter_predicate"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="match_results.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="regex_id_filter_predicate.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="boost.xpressive.regex_token_iterator"></a><div class="titlepage"></div> <div class="refnamediv"> <h2>Struct template regex_token_iterator</h2> boost::xpressive::regex_token_iterator </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis">// In header: <<a class="link" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp" title="Header <boost/xpressive/xpressive_fwd.hpp>">boost/xpressive/xpressive_fwd.hpp</a>> template<typename BidiIter> struct <a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a> { // <a class="link" href="regex_token_iterator.html#boost.xpressive.regex_token_iteratorconstruct-copy-destruct">construct/copy/destruct</a> <a class="link" href="regex_token_iterator.html#idp356940480-bb">regex_token_iterator</a>(); <a class="link" href="regex_token_iterator.html#idp356941904-bb">regex_token_iterator</a>(BidiIter, BidiIter, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const &); template<typename LetExpr> <a class="link" href="regex_token_iterator.html#idp356946848-bb">regex_token_iterator</a>(BidiIter, BidiIter, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const &, unspecified); template<typename Subs> <a class="link" href="regex_token_iterator.html#idp356953920-bb">regex_token_iterator</a>(BidiIter, BidiIter, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const &, Subs const &, regex_constants::match_flag_type = regex_constants::match_default); template<typename Subs, typename LetExpr> <a class="link" href="regex_token_iterator.html#idp356963472-bb">regex_token_iterator</a>(BidiIter, BidiIter, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const &, Subs const &, unspecified, regex_constants::match_flag_type = regex_constants::match_default); <a class="link" href="regex_token_iterator.html#idp356974864-bb">regex_token_iterator</a>(<a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > const &); <a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > & <a class="link" href="regex_token_iterator.html#idp356977248-bb">operator=</a>(<a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > const &); // <a class="link" href="regex_token_iterator.html#idp356932928-bb">public member functions</a> value_type const & <a class="link" href="regex_token_iterator.html#idp356933488-bb">operator*</a>() const; value_type const * <a class="link" href="regex_token_iterator.html#idp356934608-bb">operator-></a>() const; <a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > & <a class="link" href="regex_token_iterator.html#idp356935728-bb">operator++</a>(); <a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > <a class="link" href="regex_token_iterator.html#idp356938496-bb">operator++</a>(int); };</pre></div> <div class="refsect1"> <a name="idp541315264"></a><h2>Description</h2> <div class="refsect2"> <a name="idp541315680"></a><h3> <a name="boost.xpressive.regex_token_iteratorconstruct-copy-destruct"></a><code class="computeroutput">regex_token_iterator</code> public construct/copy/destruct</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"> <pre class="literallayout"><a name="idp356940480-bb"></a>regex_token_iterator();</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td>Postconditions:</td> <td><code class="computeroutput">*this</code> is the end of sequence iterator. </td> </tr></tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><a name="idp356941904-bb"></a>regex_token_iterator(BidiIter begin, BidiIter end, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const & rex);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td>Parameters:</td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><code class="computeroutput">begin</code></td> <td>The beginning of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">end</code></td> <td>The end of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">rex</code></td> <td>The regex pattern to search for. </td> </tr> </tbody> </table></div></td> </tr> <tr> <td>Requires:</td> <td><code class="computeroutput"></code>[begin,end) is a valid range. </td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout">template<typename LetExpr> <a name="idp356946848-bb"></a>regex_token_iterator(BidiIter begin, BidiIter end, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const & rex, unspecified args);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td>Parameters:</td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><code class="computeroutput">args</code></td> <td>A let() expression with argument bindings for semantic actions. </td> </tr> <tr> <td><code class="computeroutput">begin</code></td> <td>The beginning of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">end</code></td> <td>The end of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">rex</code></td> <td>The regex pattern to search for. </td> </tr> </tbody> </table></div></td> </tr> <tr> <td>Requires:</td> <td><code class="computeroutput"></code>[begin,end) is a valid range. </td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout">template<typename Subs> <a name="idp356953920-bb"></a>regex_token_iterator(BidiIter begin, BidiIter end, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const & rex, Subs const & subs, regex_constants::match_flag_type flags = regex_constants::match_default);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td>Parameters:</td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><code class="computeroutput">begin</code></td> <td>The beginning of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">end</code></td> <td>The end of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">flags</code></td> <td>Optional match flags, used to control how the expression is matched against the sequence. (See match_flag_type.) </td> </tr> <tr> <td><code class="computeroutput">rex</code></td> <td>The regex pattern to search for. </td> </tr> <tr> <td><code class="computeroutput">subs</code></td> <td>A range of integers designating sub-matches to be treated as tokens. </td> </tr> </tbody> </table></div></td> </tr> <tr> <td>Requires:</td> <td> <code class="computeroutput"></code>[begin,end) is a valid range. <code class="computeroutput">subs</code> is either an integer greater or equal to -1, or else an array or non-empty <code class="computeroutput">std::vector<></code> of such integers. </td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout">template<typename Subs, typename LetExpr> <a name="idp356963472-bb"></a>regex_token_iterator(BidiIter begin, BidiIter end, <a class="link" href="basic_regex.html" title="Struct template basic_regex">basic_regex</a>< BidiIter > const & rex, Subs const & subs, unspecified args, regex_constants::match_flag_type flags = regex_constants::match_default);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td>Parameters:</td> <td><div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody> <tr> <td><code class="computeroutput">args</code></td> <td>A let() expression with argument bindings for semantic actions. </td> </tr> <tr> <td><code class="computeroutput">begin</code></td> <td>The beginning of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">end</code></td> <td>The end of the character range to search. </td> </tr> <tr> <td><code class="computeroutput">flags</code></td> <td>Optional match flags, used to control how the expression is matched against the sequence. (See match_flag_type.) </td> </tr> <tr> <td><code class="computeroutput">rex</code></td> <td>The regex pattern to search for. </td> </tr> <tr> <td><code class="computeroutput">subs</code></td> <td>A range of integers designating sub-matches to be treated as tokens. </td> </tr> </tbody> </table></div></td> </tr> <tr> <td>Requires:</td> <td> <code class="computeroutput"></code>[begin,end) is a valid range. <code class="computeroutput">subs</code> is either an integer greater or equal to -1, or else an array or non-empty <code class="computeroutput">std::vector<></code> of such integers. </td> </tr> </tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><a name="idp356974864-bb"></a>regex_token_iterator(<a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > const & that);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td>Postconditions:</td> <td><code class="computeroutput">*this == that</code> </td> </tr></tbody> </table></div> </li> <li class="listitem"> <pre class="literallayout"><a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > & <a name="idp356977248-bb"></a>operator=(<a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > const & that);</pre> <div class="variablelist"><table border="0" class="variablelist compact"> <colgroup> <col align="left" valign="top"> <col> </colgroup> <tbody><tr> <td>Postconditions:</td> <td><code class="computeroutput">*this == that</code> </td> </tr></tbody> </table></div> </li> </ol></div> </div> <div class="refsect2"> <a name="idp541455648"></a><h3> <a name="idp356932928-bb"></a><code class="computeroutput">regex_token_iterator</code> public member functions</h3> <div class="orderedlist"><ol class="orderedlist" type="1"> <li class="listitem"><pre class="literallayout">value_type const & <a name="idp356933488-bb"></a>operator*() const;</pre></li> <li class="listitem"><pre class="literallayout">value_type const * <a name="idp356934608-bb"></a>operator->() const;</pre></li> <li class="listitem"> <pre class="literallayout"><a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > & <a name="idp356935728-bb"></a>operator++();</pre> If N == -1 then sets *this equal to the end of sequence iterator. Otherwise if N+1 < subs.size(), then increments N and sets result equal to ((subs[N] == -1) ? value_type(what.prefix().str()) : value_type(what[subs[N]].str())). Otherwise if what.prefix().first != what[0].second and if the element match_prev_avail is not set in flags then sets it. Then locates the next match as if by calling regex_search(what[0].second, end, what, *pre, flags), with the following variation: in the event that the previous match found was of zero length (what[0].length() == 0) then attempts to find a non-zero length match starting at what[0].second, only if that fails and provided what[0].second != suffix().second does it look for a (possibly zero length) match starting from what[0].second + 1. If such a match is found then sets N equal to zero, and sets result equal to ((subs[N] == -1) ? value_type(what.prefix().str()) : value_type(what[subs[N]].str())). Otherwise if no further matches were found, then let last_end be the endpoint of the last match that was found. Then if last_end != end and subs[0] == -1 sets N equal to -1 and sets result equal to value_type(last_end, end). Otherwise sets *this equal to the end of sequence iterator. </li> <li class="listitem"><pre class="literallayout"><a class="link" href="regex_token_iterator.html" title="Struct template regex_token_iterator">regex_token_iterator</a>< BidiIter > <a name="idp356938496-bb"></a>operator++(int);</pre></li> </ol></div> </div> </div> </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 © 2007 Eric Niebler 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>) </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="match_results.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../xpressive/reference.html#header.boost.xpressive.xpressive_fwd_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="regex_id_filter_predicate.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>