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<title>High Level Class RegEx (Deprecated)</title>
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<div class="section">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="boost_regex.ref.deprecated.old_regex"></a><a class="link" href="old_regex.html" title="High Level Class RegEx (Deprecated)">High Level Class
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RegEx (Deprecated)</a>
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</h4></div></div></div>
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<p>
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The high level wrapper class RegEx is now deprecated and does not form
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part of the regular expression standardization proposal. This type still
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exists, and existing code will continue to compile, however the following
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documentation is unlikely to be further updated.
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</p>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">cregex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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<p>
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The class RegEx provides a high level simplified interface to the regular
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expression library, this class only handles narrow character strings, and
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regular expressions always follow the "normal" syntax - that
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is the same as the perl / ECMAScript syntax.
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</p>
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<pre class="programlisting"><span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="special">(*</span><span class="identifier">GrepCallback</span><span class="special">)(</span><span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">expression</span><span class="special">);</span>
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<span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="special">(*</span><span class="identifier">GrepFileCallback</span><span class="special">)(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">file</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">expression</span><span class="special">);</span>
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<span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="special">(*</span><span class="identifier">FindFilesCallback</span><span class="special">)(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">file</span><span class="special">);</span>
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<span class="keyword">class</span> <span class="identifier">RegEx</span>
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<span class="special">{</span>
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<span class="keyword">public</span><span class="special">:</span>
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<span class="identifier">RegEx</span><span class="special">();</span>
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<span class="identifier">RegEx</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">o</span><span class="special">);</span>
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<span class="special">~</span><span class="identifier">RegEx</span><span class="special">();</span>
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<span class="identifier">RegEx</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">c</span><span class="special">,</span> <span class="keyword">bool</span> <span class="identifier">icase</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">);</span>
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<span class="keyword">explicit</span> <span class="identifier">RegEx</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">s</span><span class="special">,</span> <span class="keyword">bool</span> <span class="identifier">icase</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">);</span>
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<span class="identifier">RegEx</span><span class="special">&</span> <span class="keyword">operator</span><span class="special">=(</span><span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">o</span><span class="special">);</span>
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<span class="identifier">RegEx</span><span class="special">&</span> <span class="keyword">operator</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>
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<span class="identifier">RegEx</span><span class="special">&</span> <span class="keyword">operator</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">s</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">SetExpression</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">bool</span> <span class="identifier">icase</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">SetExpression</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">s</span><span class="special">,</span> <span class="keyword">bool</span> <span class="identifier">icase</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">);</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Expression</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="comment">//</span>
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<span class="comment">// now matching operators: </span>
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<span class="comment">// </span>
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<span class="keyword">bool</span> <span class="identifier">Match</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">bool</span> <span class="identifier">Match</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">s</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">bool</span> <span class="identifier">Search</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">bool</span> <span class="identifier">Search</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">s</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">GrepCallback</span> <span class="identifier">cb</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>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">GrepCallback</span> <span class="identifier">cb</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">s</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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">s</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">int</span><span class="special">>&</span> <span class="identifier">v</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>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">int</span><span class="special">>&</span> <span class="identifier">v</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">s</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">GrepFiles</span><span class="special">(</span><span class="identifier">GrepFileCallback</span> <span class="identifier">cb</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">files</span><span class="special">,</span> <span class="keyword">bool</span> <span class="identifier">recurse</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">GrepFiles</span><span class="special">(</span><span class="identifier">GrepFileCallback</span> <span class="identifier">cb</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">files</span><span class="special">,</span>
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<span class="keyword">bool</span> <span class="identifier">recurse</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">FindFiles</span><span class="special">(</span><span class="identifier">FindFilesCallback</span> <span class="identifier">cb</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">files</span><span class="special">,</span>
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<span class="keyword">bool</span> <span class="identifier">recurse</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">FindFiles</span><span class="special">(</span><span class="identifier">FindFilesCallback</span> <span class="identifier">cb</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">files</span><span class="special">,</span>
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<span class="keyword">bool</span> <span class="identifier">recurse</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Merge</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">in</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">fmt</span><span class="special">,</span>
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<span class="keyword">bool</span> <span class="identifier">copy</span> <span class="special">=</span> <span class="keyword">true</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Merge</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">in</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">fmt</span><span class="special">,</span> <span class="keyword">bool</span> <span class="identifier">copy</span> <span class="special">=</span> <span class="keyword">true</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
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<span class="keyword">unsigned</span> <span class="identifier">Split</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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">s</span><span class="special">,</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">,</span>
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<span class="keyword">unsigned</span> <span class="identifier">max_count</span> <span class="special">=</span> <span class="special">~</span><span class="number">0</span><span class="special">);</span>
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<span class="comment">// </span>
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<span class="comment">// now operators for returning what matched in more detail: </span>
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<span class="comment">// </span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Position</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Length</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">bool</span> <span class="identifier">Matched</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Line</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Marks</span><span class="special">()</span> <span class="keyword">const</span><span class="special">;</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">What</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">[](</span><span class="keyword">int</span> <span class="identifier">i</span><span class="special">)</span><span class="keyword">const</span> <span class="special">;</span>
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<span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">npos</span><span class="special">;</span>
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<span class="special">};</span>
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</pre>
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<p>
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Member functions for class RegEx are defined as follows:
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</p>
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<div class="informaltable"><table class="table">
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<colgroup>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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Member
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</p>
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</th>
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<th>
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<p>
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Description
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</p>
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</th>
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</tr></thead>
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<tbody>
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<tr>
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<td>
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<p>
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<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">();</span></code>
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</p>
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</td>
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<td>
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<p>
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Default constructor, constructs an instance of RegEx without
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any valid expression.
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</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">o</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Copy constructor, all the properties of parameter <span class="emphasis"><em>o</em></span>
|
|
are copied.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">c</span><span class="special">,</span> <span class="keyword">bool</span>
|
|
<span class="identifier">icase</span> <span class="special">=</span>
|
|
<span class="keyword">false</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Constructs an instance of RegEx, setting the expression to <span class="emphasis"><em>c</em></span>,
|
|
if <span class="emphasis"><em>icase</em></span> is true then matching is insensitive
|
|
to case, otherwise it is sensitive to case. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</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">s</span><span class="special">,</span> <span class="keyword">bool</span>
|
|
<span class="identifier">icase</span> <span class="special">=</span>
|
|
<span class="keyword">false</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Constructs an instance of RegEx, setting the expression to <span class="emphasis"><em>s</em></span>,
|
|
if <span class="emphasis"><em>icase</em></span> is true then matching is insensitive
|
|
to case, otherwise it is sensitive to case. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">&</span>
|
|
<span class="keyword">operator</span><span class="special">=(</span><span class="keyword">const</span> <span class="identifier">RegEx</span><span class="special">&</span> <span class="identifier">o</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Default assignment operator.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">&</span>
|
|
<span class="keyword">operator</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></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Assignment operator, equivalent to calling <code class="computeroutput"><span class="identifier">SetExpression</span><span class="special">(</span><span class="identifier">p</span><span class="special">,</span> <span class="keyword">false</span><span class="special">)</span></code>. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">RegEx</span><span class="special">&</span>
|
|
<span class="keyword">operator</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">s</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Assignment operator, equivalent to calling <code class="computeroutput"><span class="identifier">SetExpression</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span> <span class="keyword">false</span><span class="special">)</span></code>. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">SetExpression</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">bool</span>
|
|
<span class="identifier">icase</span> <span class="special">=</span>
|
|
<span class="keyword">false</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Sets the current expression to <span class="emphasis"><em>p</em></span>, if <span class="emphasis"><em>icase</em></span>
|
|
is true then matching is insensitive to case, otherwise it is
|
|
sensitive to case. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">SetExpression</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">s</span><span class="special">,</span> <span class="keyword">bool</span>
|
|
<span class="identifier">icase</span> <span class="special">=</span>
|
|
<span class="keyword">false</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Sets the current expression to <span class="emphasis"><em>s</em></span>, if <span class="emphasis"><em>icase</em></span>
|
|
is true then matching is insensitive to case, otherwise it is
|
|
sensitive to case. Throws <a class="link" href="../bad_expression.html" title="bad_expression"><code class="computeroutput"><span class="identifier">bad_expression</span></code></a> on failure.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Expression</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns a copy of the current regular expression.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">bool</span> <span class="identifier">Match</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Attempts to match the current expression against the text <span class="emphasis"><em>p</em></span>
|
|
using the match flags <span class="emphasis"><em>flags</em></span> - see <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>.
|
|
Returns <span class="emphasis"><em>true</em></span> if the expression matches the
|
|
whole of the input string.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">bool</span> <span class="identifier">Match</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">s</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Attempts to match the current expression against the text <span class="emphasis"><em>s</em></span>
|
|
using the <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>flags</em></span>.
|
|
Returns <span class="emphasis"><em>true</em></span> if the expression matches the
|
|
whole of the input string.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">bool</span> <span class="identifier">Search</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Attempts to find a match for the current expression somewhere
|
|
in the text <span class="emphasis"><em>p</em></span> using the <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>flags</em></span>.
|
|
Returns <span class="emphasis"><em>true</em></span> if the match succeeds.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">bool</span> <span class="identifier">Search</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">s</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Attempts to find a match for the current expression somewhere
|
|
in the text <span class="emphasis"><em>s</em></span> using the <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a> flags.
|
|
Returns <span class="emphasis"><em>true</em></span> if the match succeeds.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">GrepCallback</span> <span class="identifier">cb</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>p</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match found calls the call-back function cb as: <code class="computeroutput"><span class="identifier">cb</span><span class="special">(*</span><span class="keyword">this</span><span class="special">);</span></code>
|
|
If at any stage the call-back function returns <span class="emphasis"><em>false</em></span>
|
|
then the grep operation terminates, otherwise continues until
|
|
no further matches are found. Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">GrepCallback</span> <span class="identifier">cb</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">s</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>s</em></span>
|
|
using the <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a> flags.
|
|
For each match found calls the call-back function cb as: <code class="computeroutput"><span class="identifier">cb</span><span class="special">(*</span><span class="keyword">this</span><span class="special">);</span></code>
|
|
If at any stage the call-back function returns false then the
|
|
grep operation terminates, otherwise continues until no further
|
|
matches are found. Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>p</em></span>
|
|
using the <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a> flags.
|
|
For each match pushes a copy of what matched onto <span class="emphasis"><em>v</em></span>.
|
|
Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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">s</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>s</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match pushes a copy of what matched onto <span class="emphasis"><em>v</em></span>.
|
|
Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">int</span><span class="special">>&</span> <span class="identifier">v</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="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>p</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match pushes the starting index of what matched onto
|
|
<span class="emphasis"><em>v</em></span>. Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Grep</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">unsigned</span> <span class="keyword">int</span><span class="special">>&</span> <span class="identifier">v</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">s</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the text <span class="emphasis"><em>s</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match pushes the starting index of what matched onto
|
|
<span class="emphasis"><em>v</em></span>. Returns the number of matches found.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">GrepFiles</span><span class="special">(</span><span class="identifier">GrepFileCallback</span> <span class="identifier">cb</span><span class="special">,</span> <span class="keyword">const</span>
|
|
<span class="keyword">char</span><span class="special">*</span>
|
|
<span class="identifier">files</span><span class="special">,</span>
|
|
<span class="keyword">bool</span> <span class="identifier">recurse</span>
|
|
<span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the files <span class="emphasis"><em>files</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match calls the call-back function cb. If the call-back
|
|
returns false then the algorithm returns without considering
|
|
further matches in the current file, or any further files.
|
|
</p>
|
|
<p>
|
|
The parameter <span class="emphasis"><em>files</em></span> can include wild card
|
|
characters '*' and '?', if the parameter recurse is true then
|
|
searches sub-directories for matching file names.
|
|
</p>
|
|
<p>
|
|
Returns the total number of matches found.
|
|
</p>
|
|
<p>
|
|
May throw an exception derived from <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
|
|
if file io fails.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">GrepFiles</span><span class="special">(</span><span class="identifier">GrepFileCallback</span> <span class="identifier">cb</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">files</span><span class="special">,</span>
|
|
<span class="keyword">bool</span> <span class="identifier">recurse</span>
|
|
<span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Finds all matches of the current expression in the files <span class="emphasis"><em>files</em></span>
|
|
using the <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>flags</em></span>.
|
|
For each match calls the call-back function cb.
|
|
</p>
|
|
<p>
|
|
If the call-back returns false then the algorithm returns without
|
|
considering further matches in the current file, or any further
|
|
files.
|
|
</p>
|
|
<p>
|
|
The parameter <span class="emphasis"><em>files</em></span> can include wild card
|
|
characters '*' and '?', if the parameter recurse is true then
|
|
searches sub-directories for matching file names.
|
|
</p>
|
|
<p>
|
|
Returns the total number of matches found.
|
|
</p>
|
|
<p>
|
|
May throw an exception derived from <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
|
|
if file io fails.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">FindFiles</span><span class="special">(</span><span class="identifier">FindFilesCallback</span> <span class="identifier">cb</span><span class="special">,</span> <span class="keyword">const</span>
|
|
<span class="keyword">char</span><span class="special">*</span>
|
|
<span class="identifier">files</span><span class="special">,</span>
|
|
<span class="keyword">bool</span> <span class="identifier">recurse</span>
|
|
<span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Searches files to find all those which contain at least one match
|
|
of the current expression using the <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>flags</em></span>.
|
|
For each matching file calls the call-back function cb. If the
|
|
call-back returns false then the algorithm returns without considering
|
|
any further files.
|
|
</p>
|
|
<p>
|
|
The parameter <span class="emphasis"><em>files</em></span> can include wild card
|
|
characters '*' and '?', if the parameter <span class="emphasis"><em>recurse</em></span>
|
|
is true then searches sub-directories for matching file names.
|
|
</p>
|
|
<p>
|
|
Returns the total number of files found.
|
|
</p>
|
|
<p>
|
|
May throw an exception derived from <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
|
|
if file io fails.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">FindFiles</span><span class="special">(</span><span class="identifier">FindFilesCallback</span> <span class="identifier">cb</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">files</span><span class="special">,</span>
|
|
<span class="keyword">bool</span> <span class="identifier">recurse</span>
|
|
<span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Searches files to find all those which contain at least one match
|
|
of the current expression using the <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>flags</em></span>.
|
|
For each matching file calls the call-back function cb.
|
|
</p>
|
|
<p>
|
|
If the call-back returns false then the algorithm returns without
|
|
considering any further files.
|
|
</p>
|
|
<p>
|
|
The parameter <span class="emphasis"><em>files</em></span> can include wild card
|
|
characters '*' and '?', if the parameter <span class="emphasis"><em>recurse</em></span>
|
|
is true then searches sub-directories for matching file names.
|
|
</p>
|
|
<p>
|
|
Returns the total number of files found.
|
|
</p>
|
|
<p>
|
|
May throw an exception derived from <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
|
|
if file io fails.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Merge</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">in</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">fmt</span><span class="special">,</span> <span class="keyword">bool</span>
|
|
<span class="identifier">copy</span> <span class="special">=</span>
|
|
<span class="keyword">true</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Performs a search and replace operation: searches through the
|
|
string <span class="emphasis"><em>in</em></span> for all occurrences of the current
|
|
expression, for each occurrence replaces the match with the format
|
|
string <span class="emphasis"><em>fmt</em></span>. Uses <span class="emphasis"><em>flags</em></span>
|
|
to determine what gets matched, and how the format string should
|
|
be treated. If <span class="emphasis"><em>copy</em></span> is true then all unmatched
|
|
sections of input are copied unchanged to output, if the flag
|
|
<span class="emphasis"><em>format_first_only</em></span> is set then only the first
|
|
occurrence of the pattern found is replaced. Returns the new
|
|
string. See also <a class="link" href="../../format.html" title="Search and Replace Format String Syntax">format string
|
|
syntax</a>, and <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">Merge</span><span class="special">(</span><span class="keyword">const</span>
|
|
<span class="keyword">char</span><span class="special">*</span>
|
|
<span class="identifier">in</span><span class="special">,</span>
|
|
<span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">fmt</span><span class="special">,</span> <span class="keyword">bool</span>
|
|
<span class="identifier">copy</span> <span class="special">=</span>
|
|
<span class="keyword">true</span><span class="special">,</span>
|
|
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">flags</span>
|
|
<span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Performs a search and replace operation: searches through the
|
|
string <span class="emphasis"><em>in</em></span> for all occurrences of the current
|
|
expression, for each occurrence replaces the match with the format
|
|
string <span class="emphasis"><em>fmt</em></span>. Uses <span class="emphasis"><em>flags</em></span>
|
|
to determine what gets matched, and how the format string should
|
|
be treated. If <span class="emphasis"><em>copy</em></span> is true then all unmatched
|
|
sections of input are copied unchanged to output, if the flag
|
|
<span class="emphasis"><em>format_first_only</em></span> is set then only the first
|
|
occurrence of the pattern found is replaced. Returns the new
|
|
string. See also <a class="link" href="../../format.html" title="Search and Replace Format String Syntax">format string
|
|
syntax</a>, and <a class="link" href="../match_flag_type.html" title="match_flag_type"><code class="computeroutput"><span class="identifier">match_flag_type</span></code></a>.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="identifier">Split</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</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">v</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">s</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_flag_type</span>
|
|
<span class="identifier">flags</span> <span class="special">=</span>
|
|
<span class="identifier">match_default</span><span class="special">,</span>
|
|
<span class="keyword">unsigned</span> <span class="identifier">max_count</span>
|
|
<span class="special">=</span> <span class="special">~</span><span class="number">0</span><span class="special">);</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Splits the input string and pushes each one onto the vector.
|
|
If the expression contains no marked sub-expressions, then one
|
|
string is outputted for each section of the input that does not
|
|
match the expression. If the expression does contain marked sub-expressions,
|
|
then outputs one string for each marked sub-expression each time
|
|
a match occurs. Outputs no more than <span class="emphasis"><em>max_count</em></span>
|
|
strings. Before returning, deletes from the input string <span class="emphasis"><em>s</em></span>
|
|
all of the input that has been processed (all of the string if
|
|
<span class="emphasis"><em>max_count</em></span> was not reached). Returns the
|
|
number of strings pushed onto the vector.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Position</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span>
|
|
<span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns the position of what matched sub-expression <span class="emphasis"><em>i</em></span>.
|
|
If <code class="computeroutput"><span class="identifier">i</span> <span class="special">=</span>
|
|
<span class="number">0</span></code> then returns the position
|
|
of the whole match. Returns <code class="computeroutput"><span class="identifier">RegEx</span><span class="special">::</span><span class="identifier">npos</span></code>
|
|
if the supplied index is invalid, or if the specified sub-expression
|
|
did not participate in the match.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Length</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span>
|
|
<span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns the length of what matched sub-expression i. If <code class="computeroutput"><span class="identifier">i</span> <span class="special">=</span>
|
|
<span class="number">0</span></code> then returns the length
|
|
of the whole match. Returns <code class="computeroutput"><span class="identifier">RegEx</span><span class="special">::</span><span class="identifier">npos</span></code>
|
|
if the supplied index is invalid, or if the specified sub-expression
|
|
did not participate in the match.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">bool</span> <span class="identifier">Matched</span><span class="special">(</span><span class="keyword">int</span>
|
|
<span class="identifier">i</span> <span class="special">=</span>
|
|
<span class="number">0</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns true if sub-expression <span class="emphasis"><em>i</em></span> was matched,
|
|
false otherwise.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Line</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns the line on which the match occurred, indexes start from
|
|
1 not zero, if no match occurred then returns <code class="computeroutput"><span class="identifier">RegEx</span><span class="special">::</span><span class="identifier">npos</span></code>.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
|
|
<span class="identifier">Marks</span><span class="special">()</span>
|
|
<span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns the number of marked sub-expressions contained in the
|
|
expression. Note that this includes the whole match (sub-expression
|
|
zero), so the value returned is always >= 1.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">What</span><span class="special">(</span><span class="keyword">int</span>
|
|
<span class="identifier">i</span><span class="special">)</span><span class="keyword">const</span><span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns a copy of what matched sub-expression <span class="emphasis"><em>i</em></span>.
|
|
If <code class="computeroutput"><span class="identifier">i</span> <span class="special">=</span>
|
|
<span class="number">0</span></code> then returns a copy of
|
|
the whole match. Returns a null string if the index is invalid
|
|
or if the specified sub-expression did not participate in a match.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td>
|
|
<p>
|
|
<code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">[](</span><span class="keyword">int</span>
|
|
<span class="identifier">i</span><span class="special">)</span><span class="keyword">const</span> <span class="special">;</span></code>
|
|
</p>
|
|
</td>
|
|
<td>
|
|
<p>
|
|
Returns <code class="computeroutput"><span class="identifier">what</span><span class="special">(</span><span class="identifier">i</span><span class="special">);</span></code> Can be used to simplify access
|
|
to sub-expression matches, and make usage more perl-like.
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table></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 © 1998-2013 John Maddock<p>
|
|
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