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| <div class="refentry"> |
| <a name="boost.log.expressions.pattern_replacer"></a><div class="titlepage"></div> |
| <div class="refnamediv"> |
| <h2><span class="refentrytitle">Class template pattern_replacer</span></h2> |
| <p>boost::log::expressions::pattern_replacer</p> |
| </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"><span class="comment">// In header: <<a class="link" href="../../../expressions.html#header.boost.log.expressions.formatters.char_decorator_hpp" title="Header <boost/log/expressions/formatters/char_decorator.hpp>">boost/log/expressions/formatters/char_decorator.hpp</a>> |
| |
| </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> CharT<span class="special">></span> |
| <span class="keyword">class</span> <a class="link" href="pattern_replacer.html" title="Class template pattern_replacer">pattern_replacer</a> <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| <span class="comment">// types</span> |
| <span class="keyword">typedef</span> <span class="keyword">void</span> <a name="boost.log.expressions.pattern_replacer.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> <span class="comment">// Result type. </span> |
| <span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.log.expressions.pattern_replacer.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> <span class="comment">// Character type. </span> |
| <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span> <span class="identifier">char_type</span> <span class="special">></span> <a name="boost.log.expressions.pattern_replacer.string_type"></a><span class="identifier">string_type</span><span class="special">;</span> <span class="comment">// String type. </span> |
| |
| <span class="comment">// member classes/structs/unions</span> |
| |
| <span class="comment">// Lengths of source pattern and replacement.</span> |
| |
| <span class="keyword">struct</span> <a class="link" href="pattern_replacer/string_lengths.html" title="Struct string_lengths">string_lengths</a> <span class="special">{</span> |
| |
| <span class="comment">// public data members</span> |
| <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">from_len</span><span class="special">;</span> |
| <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">to_len</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="pattern_replacer.html#boost.log.expressions.pattern_replacerconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="pattern_replacer.html#idp42703536-bb"><span class="identifier">pattern_replacer</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FromRangeT<span class="special">,</span> <span class="keyword">typename</span> ToRangeT<span class="special">></span> |
| <a class="link" href="pattern_replacer.html#idp42707152-bb"><span class="identifier">pattern_replacer</span></a><span class="special">(</span><span class="identifier">FromRangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">ToRangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <a class="link" href="pattern_replacer.html#idp42712096-bb"><span class="identifier">pattern_replacer</span></a><span class="special">(</span><a class="link" href="pattern_replacer.html" title="Class template pattern_replacer">pattern_replacer</a> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="pattern_replacer.html#idp42699680-bb">public member functions</a></span> |
| <span class="identifier">result_type</span> <a class="link" href="pattern_replacer.html#idp42700240-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">string_type</span><span class="special">::</span><span class="identifier">size_type</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="pattern_replacer.html#idp42713648-bb">private static functions</a></span> |
| <span class="keyword">static</span> <span class="identifier">char_type</span> <span class="special">*</span> <a class="link" href="pattern_replacer.html#idp42714224-bb"><span class="identifier">string_begin</span></a><span class="special">(</span><span class="identifier">char_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> <a class="link" href="pattern_replacer.html#idp42716032-bb"><span class="identifier">string_begin</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> |
| <span class="keyword">static</span> <span class="identifier">range_const_iterator</span><span class="special"><</span> <span class="identifier">RangeT</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="pattern_replacer.html#idp42717840-bb"><span class="identifier">string_begin</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="identifier">char_type</span> <span class="special">*</span> <a class="link" href="pattern_replacer.html#idp42720512-bb"><span class="identifier">string_end</span></a><span class="special">(</span><span class="identifier">char_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> <a class="link" href="pattern_replacer.html#idp42722320-bb"><span class="identifier">string_end</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> |
| <span class="keyword">static</span> <span class="identifier">range_const_iterator</span><span class="special"><</span> <span class="identifier">RangeT</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="pattern_replacer.html#idp42724128-bb"><span class="identifier">string_end</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="idp112302016"></a><h2>Description</h2> |
| <p>A simple character decorator implementation. This implementation replaces string patterns in the source string with the fixed replacements. Source patterns and replacements can be specified at the object construction. </p> |
| <div class="refsect2"> |
| <a name="idp112302928"></a><h3> |
| <a name="boost.log.expressions.pattern_replacerconstruct-copy-destruct"></a><code class="computeroutput">pattern_replacer</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> |
| <span class="keyword">explicit</span> <a name="idp42703536-bb"></a><span class="identifier">pattern_replacer</span><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span> decorations<span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializing constructor. Creates a pattern replacer with the specified <span class="emphasis"><em>decorations</em></span>. The provided decorations must be a sequence of <code class="computeroutput">std::pair</code> of strings. The first element of each pair is the source pattern, and the second one is the corresponding replacement. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FromRangeT<span class="special">,</span> <span class="keyword">typename</span> ToRangeT<span class="special">></span> |
| <a name="idp42707152-bb"></a><span class="identifier">pattern_replacer</span><span class="special">(</span><span class="identifier">FromRangeT</span> <span class="keyword">const</span> <span class="special">&</span> from<span class="special">,</span> <span class="identifier">ToRangeT</span> <span class="keyword">const</span> <span class="special">&</span> to<span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializing constructor. Creates a pattern replacer with decorations specified in form of two same-sized string sequences. Each <code class="computeroutput">i</code>'th decoration will be <code class="computeroutput">from[i]</code> -> <code class="computeroutput">to[i]</code>. </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="idp42712096-bb"></a><span class="identifier">pattern_replacer</span><span class="special">(</span><a class="link" href="pattern_replacer.html" title="Class template pattern_replacer">pattern_replacer</a> <span class="keyword">const</span> <span class="special">&</span> that<span class="special">)</span><span class="special">;</span></pre>Copy constructor. </li> |
| </ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp112336928"></a><h3> |
| <a name="idp42699680-bb"></a><code class="computeroutput">pattern_replacer</code> public member functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> |
| <pre class="literallayout"><span class="identifier">result_type</span> <a name="idp42700240-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">string_type</span> <span class="special">&</span> str<span class="special">,</span> |
| <span class="keyword">typename</span> <span class="identifier">string_type</span><span class="special">::</span><span class="identifier">size_type</span> start_pos <span class="special">=</span> <span class="number">0</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Applies string replacements starting from the specified position. </li></ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp112351040"></a><h3> |
| <a name="idp42713648-bb"></a><code class="computeroutput">pattern_replacer</code> private static functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <span class="special">*</span> <a name="idp42714224-bb"></a><span class="identifier">string_begin</span><span class="special">(</span><span class="identifier">char_type</span> <span class="special">*</span> p<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> <a name="idp42716032-bb"></a><span class="identifier">string_begin</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> p<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> |
| <span class="keyword">static</span> <span class="identifier">range_const_iterator</span><span class="special"><</span> <span class="identifier">RangeT</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a name="idp42717840-bb"></a><span class="identifier">string_begin</span><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span> r<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <span class="special">*</span> <a name="idp42720512-bb"></a><span class="identifier">string_end</span><span class="special">(</span><span class="identifier">char_type</span> <span class="special">*</span> p<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> <a name="idp42722320-bb"></a><span class="identifier">string_end</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">char_type</span> <span class="special">*</span> p<span class="special">)</span><span class="special">;</span></pre></li> |
| <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> RangeT<span class="special">></span> |
| <span class="keyword">static</span> <span class="identifier">range_const_iterator</span><span class="special"><</span> <span class="identifier">RangeT</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a name="idp42724128-bb"></a><span class="identifier">string_end</span><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&</span> r<span class="special">)</span><span class="special">;</span></pre></li> |
| </ol></div> |
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| <td align="right"><div class="copyright-footer">Copyright © 2007-2015 Andrey |
| Semashev<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>). |
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