forked from boostorg/regex
@ -26,7 +26,7 @@
|
||||
<div class="titlepage"><div><div><h3 class="title">
|
||||
<a name="boost_regex.ref.regex_match"></a><a class="link" href="regex_match.html" title="regex_match">regex_match</a>
|
||||
</h3></div></div></div>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
The algorithm <a class="link" href="regex_match.html" title="regex_match"><code class="computeroutput"><span class="identifier">regex_match</span></code></a>
|
||||
@ -51,37 +51,37 @@
|
||||
<span class="keyword">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">BidirectionalIterator</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">BidirectionalIterator</span> <span class="identifier">last</span><span class="special">,</span>
|
||||
<span class="identifier">match_results</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<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="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">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">></span>
|
||||
<span class="keyword">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">BidirectionalIterator</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">BidirectionalIterator</span> <span class="identifier">last</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>
|
||||
<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="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">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">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">></span>
|
||||
<span class="keyword">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">str</span><span class="special">,</span> <span class="identifier">match_results</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<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="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">template</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> <span class="keyword">class</span> <span class="identifier">Allocator</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">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="keyword">const</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">s</span><span class="special">,</span>
|
||||
<span class="identifier">match_results</span><span class="special"><</span><span class="keyword">typename</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">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<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="identifier">match_results</span><span class="special"><</span><span class="keyword">typename</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">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<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">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">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">charT</span><span class="special">*</span> <span class="identifier">str</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>
|
||||
<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="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">template</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> <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">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="keyword">const</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">s</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>
|
||||
<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>
|
||||
</pre>
|
||||
<a name="boost_regex.ref.regex_match.description"></a><h5>
|
||||
<a name="boost_regex.ref.regex_match.description-heading"></a>
|
||||
<a class="link" href="regex_match.html#boost_regex.ref.regex_match.description">Description</a>
|
||||
<h5>
|
||||
<a name="boost_regex.ref.regex_match.h0"></a>
|
||||
<span><a name="boost_regex.ref.regex_match.description"></a></span><a class="link" href="regex_match.html#boost_regex.ref.regex_match.description">Description</a>
|
||||
</h5>
|
||||
<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</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">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">BidirectionalIterator</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">BidirectionalIterator</span> <span class="identifier">last</span><span class="special">,</span>
|
||||
@ -335,8 +335,8 @@
|
||||
<pre class="programlisting"><span class="keyword">template</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> <span class="keyword">class</span> <span class="identifier">Allocator</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">bool</span> <span class="identifier">regex_match</span><span class="special">(</span><span class="keyword">const</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">s</span><span class="special">,</span>
|
||||
<span class="identifier">match_results</span><span class="special"><</span><span class="keyword">typename</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">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<span class="identifier">match_results</span><span class="special"><</span><span class="keyword">typename</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">Allocator</span><span class="special">>&</span> <span class="identifier">m</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>
|
||||
<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>
|
||||
</pre>
|
||||
<p>
|
||||
@ -360,42 +360,42 @@
|
||||
<p>
|
||||
<span class="bold"><strong>Effects</strong></span>: Returns the result of <code class="computeroutput"><span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>.
|
||||
</p>
|
||||
<a name="boost_regex.ref.regex_match.examples"></a><h5>
|
||||
<a name="boost_regex.ref.regex_match.examples-heading"></a>
|
||||
<a class="link" href="regex_match.html#boost_regex.ref.regex_match.examples">Examples</a>
|
||||
<h5>
|
||||
<a name="boost_regex.ref.regex_match.h1"></a>
|
||||
<span><a name="boost_regex.ref.regex_match.examples"></a></span><a class="link" href="regex_match.html#boost_regex.ref.regex_match.examples">Examples</a>
|
||||
</h5>
|
||||
<p>
|
||||
The following example processes an ftp response:
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">stdlib</span><span class="special">.</span><span class="identifier">h</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">stdlib</span><span class="special">.</span><span class="identifier">h</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span>
|
||||
|
||||
<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">;</span>
|
||||
<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">;</span>
|
||||
|
||||
<span class="identifier">regex</span> <span class="identifier">expression</span><span class="special">(</span><span class="string">"([0-9]+)(\\-| |$)(.*)"</span><span class="special">);</span>
|
||||
<span class="identifier">regex</span> <span class="identifier">expression</span><span class="special">(</span><span class="string">"([0-9]+)(\\-| |$)(.*)"</span><span class="special">);</span>
|
||||
|
||||
<span class="comment">// process_ftp: </span>
|
||||
<span class="comment">// on success returns the ftp response code, and fills </span>
|
||||
<span class="comment">// msg with the ftp response message. </span>
|
||||
<span class="keyword">int</span> <span class="identifier">process_ftp</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">response</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">msg</span><span class="special">)</span>
|
||||
<span class="special">{</span>
|
||||
<span class="identifier">cmatch</span> <span class="identifier">what</span><span class="special">;</span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">response</span><span class="special">,</span> <span class="identifier">what</span><span class="special">,</span> <span class="identifier">expression</span><span class="special">))</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">int</span> <span class="identifier">process_ftp</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">response</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">msg</span><span class="special">)</span>
|
||||
<span class="special">{</span>
|
||||
<span class="identifier">cmatch</span> <span class="identifier">what</span><span class="special">;</span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">response</span><span class="special">,</span> <span class="identifier">what</span><span class="special">,</span> <span class="identifier">expression</span><span class="special">))</span>
|
||||
<span class="special">{</span>
|
||||
<span class="comment">// what[0] contains the whole string </span>
|
||||
<span class="comment">// what[1] contains the response code </span>
|
||||
<span class="comment">// what[2] contains the separator character </span>
|
||||
<span class="comment">// what[3] contains the text message. </span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">msg</span><span class="special">)</span>
|
||||
<span class="identifier">msg</span><span class="special">-></span><span class="identifier">assign</span><span class="special">(</span><span class="identifier">what</span><span class="special">[</span><span class="number">3</span><span class="special">].</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">what</span><span class="special">[</span><span class="number">3</span><span class="special">].</span><span class="identifier">second</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">atoi</span><span class="special">(</span><span class="identifier">what</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">first</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">msg</span><span class="special">)</span>
|
||||
<span class="identifier">msg</span><span class="special">-></span><span class="identifier">assign</span><span class="special">(</span><span class="identifier">what</span><span class="special">[</span><span class="number">3</span><span class="special">].</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">what</span><span class="special">[</span><span class="number">3</span><span class="special">].</span><span class="identifier">second</span><span class="special">);</span>
|
||||
<span class="keyword">return</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">atoi</span><span class="special">(</span><span class="identifier">what</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">first</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="comment">// failure did not match </span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">msg</span><span class="special">)</span>
|
||||
<span class="identifier">msg</span><span class="special">-></span><span class="identifier">erase</span><span class="special">();</span>
|
||||
<span class="keyword">return</span> <span class="special">-</span><span class="number">1</span><span class="special">;</span>
|
||||
<span class="keyword">if</span><span class="special">(</span><span class="identifier">msg</span><span class="special">)</span>
|
||||
<span class="identifier">msg</span><span class="special">-></span><span class="identifier">erase</span><span class="special">();</span>
|
||||
<span class="keyword">return</span> <span class="special">-</span><span class="number">1</span><span class="special">;</span>
|
||||
<span class="special">}</span>
|
||||
</pre>
|
||||
</div>
|
||||
|
Reference in New Issue
Block a user