forked from boostorg/regex
Fix gcc warnings from ICU wrappers.
Add optional support for marked sub-expression location information.
Add support for ${n} in format replacement text.
Fixes #2556.
Fixes #2269.
Fixes #2514.
[SVN r50370]
This commit is contained in:
John Maddock
@ -3,8 +3,8 @@
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>regex_iterator</title>
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<link rel="stylesheet" href="../../../../../../doc/html/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot_2006-12-17_0120">
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<link rel="start" href="../../index.html" title="Boost.Regex">
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<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot_8125">
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<link rel="home" href="../../index.html" title="Boost.Regex">
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<link rel="up" href="../ref.html" title="Reference">
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<link rel="prev" href="regex_replace.html" title="regex_replace">
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<link rel="next" href="regex_token_iterator.html" title="regex_token_iterator">
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@ -24,13 +24,13 @@
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</div>
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<div class="section" lang="en">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_regex.ref.regex_iterator"></a><a href="regex_iterator.html" title="regex_iterator"> regex_iterator</a>
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<a name="boost_regex.ref.regex_iterator"></a><a class="link" href="regex_iterator.html" title="regex_iterator"> regex_iterator</a>
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</h3></div></div></div>
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<p>
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The iterator type <a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> will enumerate all
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The iterator type <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> will enumerate all
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of the regular expression matches found in some sequence: dereferencing a
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<a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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yields a reference to a <a href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object.
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<a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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yields a reference to a <a class="link" href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object.
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</p>
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<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>
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<span class="keyword">class</span> <span class="identifier">charT</span> <span class="special">=</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span><span class="special">,</span>
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@ -45,18 +45,18 @@
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<span class="keyword">typedef</span> <span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">&</span> <span class="identifier">reference</span><span class="special">;</span>
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<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">forward_iterator_tag</span> <span class="identifier">iterator_category</span><span class="special">;</span>
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<a href="regex_iterator.html#boost_regex.regex_iterator.construct1">regex_iterator</a><span class="special">();</span>
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<a href="regex_iterator.html#boost_regex.regex_iterator.construct2">regex_iterator</a><span class="special">(</span><span class="identifier">BidirectionalIterator</span> <span class="identifier">a</span><span class="special">,</span> <span class="identifier">BidirectionalIterator</span> <span class="identifier">b</span><span class="special">,</span>
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<a class="link" href="regex_iterator.html#boost_regex.regex_iterator.construct1">regex_iterator</a><span class="special">();</span>
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<a class="link" href="regex_iterator.html#boost_regex.regex_iterator.construct2">regex_iterator</a><span class="special">(</span><span class="identifier">BidirectionalIterator</span> <span class="identifier">a</span><span class="special">,</span> <span class="identifier">BidirectionalIterator</span> <span class="identifier">b</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">regex_type</span><span class="special">&</span> <span class="identifier">re</span><span class="special">,</span>
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<span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<a href="regex_iterator.html#boost_regex.regex_iterator.construct3">regex_iterator</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&);</span>
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<span class="identifier">regex_iterator</span><span class="special">&</span> <a href="regex_iterator.html#boost_regex.regex_iterator.assign">operator=(</a><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&);</span>
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<span class="keyword">bool</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_eq">operator==</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">bool</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_ne">operator!=</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">&</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_deref">operator*</a><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">*</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_arrow">operator-></a><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="identifier">regex_iterator</span><span class="special">&</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_inc">operator++</a><span class="special">();</span>
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<span class="identifier">regex_iterator</span> <a href="regex_iterator.html#boost_regex.regex_iterator.op_inc2">operator++</a><span class="special">(</span><span class="keyword">int</span><span class="special">);</span>
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<a class="link" href="regex_iterator.html#boost_regex.regex_iterator.construct3">regex_iterator</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&);</span>
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<span class="identifier">regex_iterator</span><span class="special">&</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.assign">operator=(</a><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&);</span>
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<span class="keyword">bool</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_eq">operator==</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">bool</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_ne">operator!=</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">regex_iterator</span><span class="special">&)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">&</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_deref">operator*</a><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">*</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_arrow">operator-></a><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="identifier">regex_iterator</span><span class="special">&</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_inc">operator++</a><span class="special">();</span>
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<span class="identifier">regex_iterator</span> <a class="link" href="regex_iterator.html#boost_regex.regex_iterator.op_inc2">operator++</a><span class="special">(</span><span class="keyword">int</span><span class="special">);</span>
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<span class="special">};</span>
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<span class="keyword">typedef</span> <span class="identifier">regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*></span> <span class="identifier">cregex_iterator</span><span class="special">;</span>
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@ -68,21 +68,21 @@
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<span class="preprocessor">#endif</span>
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<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="identifier">regex_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*,</span> <span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">></span>
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<a href="regex_iterator.html#boost_regex.regex_iterator.make">make_regex_iterator</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">basic_regex</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">e</span><span class="special">,</span>
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<a class="link" href="regex_iterator.html#boost_regex.regex_iterator.make">make_regex_iterator</a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">p</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">basic_regex</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">e</span><span class="special">,</span>
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<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>
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<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">ST</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">SA</span><span class="special">></span>
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<span class="identifier">regex_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">ST</span><span class="special">,</span> <span class="identifier">SA</span><span class="special">>::</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">></span>
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<a href="regex_iterator.html#boost_regex.regex_iterator.make">make_regex_iterator</a><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">ST</span><span class="special">,</span> <span class="identifier">SA</span><span class="special">>&</span> <span class="identifier">p</span><span class="special">,</span>
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<a class="link" href="regex_iterator.html#boost_regex.regex_iterator.make">make_regex_iterator</a><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">ST</span><span class="special">,</span> <span class="identifier">SA</span><span class="special">>&</span> <span class="identifier">p</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">basic_regex</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">e</span><span class="special">,</span>
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<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>
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</pre>
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<a name="boost_regex.ref.regex_iterator.description"></a><h5>
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<a name="id590276"></a>
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<a href="regex_iterator.html#boost_regex.ref.regex_iterator.description">Description</a>
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<a name="id618047"></a>
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<a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.description">Description</a>
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</h5>
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<p>
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A <a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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A <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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is constructed from a pair of iterators, and enumerates all occurrences of
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a regular expression within that iterator range.
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</p>
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@ -92,7 +92,7 @@
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</pre>
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<p>
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<span class="bold"><strong>Effects</strong></span>: constructs an end of sequence
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<a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>.
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<a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>.
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</p>
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<a name="boost_regex.regex_iterator.construct2"></a><p>
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</p>
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@ -101,10 +101,10 @@
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<span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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</pre>
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<p>
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<span class="bold"><strong>Effects</strong></span>: constructs a <a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> that will enumerate
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<span class="bold"><strong>Effects</strong></span>: constructs a <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> that will enumerate
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all occurrences of the expression <span class="emphasis"><em>re</em></span>, within the sequence
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[a,b), and found using <a href="match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a> <span class="emphasis"><em>m</em></span>.
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The object <span class="emphasis"><em>re</em></span> must exist for the lifetime of the <a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>.
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[a,b), and found using <a class="link" href="match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a> <span class="emphasis"><em>m</em></span>.
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The object <span class="emphasis"><em>re</em></span> must exist for the lifetime of the <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>.
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</p>
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<p>
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<span class="bold"><strong>Throws</strong></span>: <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
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@ -154,8 +154,8 @@
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<pre class="programlisting"><span class="keyword">const</span> <span class="identifier">value_type</span><span class="special">&</span> <span class="keyword">operator</span><span class="special">*()</span><span class="keyword">const</span><span class="special">;</span>
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</pre>
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<p>
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<span class="bold"><strong>Effects</strong></span>: dereferencing a <a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> object it yields
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a const reference to a <a href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object, whose members
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<span class="bold"><strong>Effects</strong></span>: dereferencing a <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> object it yields
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a const reference to a <a class="link" href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object, whose members
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are set as follows:
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</p>
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<div class="informaltable"><table class="table">
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@ -388,7 +388,7 @@
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<span class="bold"><strong>Effects</strong></span>: moves the iterator to the next
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match in the underlying sequence, or the end of sequence iterator if none
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if found. When the last match found matched a zero length string, then the
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<a href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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<a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a>
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will find the next match as follows: if there exists a non-zero length match
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that starts at the same location as the last one, then returns it, otherwise
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starts looking for the next (possibly zero length) match from one position
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@ -432,12 +432,12 @@
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<p>
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<span class="bold"><strong>Effects</strong></span>: returns an iterator that enumerates
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all occurences of expression <span class="emphasis"><em>e</em></span> in text <span class="emphasis"><em>p</em></span>
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using <a href="match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>
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using <a class="link" href="match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>
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<span class="emphasis"><em>m</em></span>.
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</p>
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<a name="boost_regex.ref.regex_iterator.examples"></a><h5>
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<a name="id593410"></a>
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<a href="regex_iterator.html#boost_regex.ref.regex_iterator.examples">Examples</a>
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<a name="id621180"></a>
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<a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.examples">Examples</a>
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</h5>
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<p>
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The following example takes a C++ source file and builds up an index of class
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Reference in New Issue
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