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- <div class="titlepage"><div><div><h3 class="title">
- <a name="boost_regex.ref.regex_replace"></a><a class="link" href="regex_replace.html" title="regex_replace">regex_replace</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>
- <p>
- The algorithm <a class="link" href="regex_replace.html" title="regex_replace"><code class="computeroutput"><span class="identifier">regex_replace</span></code></a> searches through a
- string finding all the matches to the regular expression: for each match
- it then calls <a class="link" href="match_results.html#boost_regex.match_results_format"><code class="computeroutput"><span class="identifier">match_results</span><span class="special"><>::</span><span class="identifier">format</span></code></a> to format the string and
- sends the result to the output iterator. Sections of text that do not match
- are copied to the output unchanged only if the <span class="emphasis"><em>flags</em></span>
- parameter does not have the flag <code class="computeroutput"><span class="identifier">format_no_copy</span></code>
- set. If the flag <code class="computeroutput"><span class="identifier">format_first_only</span></code>
- is set then only the first occurrence is replaced rather than all occurrences.
- </p>
- <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">OutputIterator</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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span>
- <span class="identifier">OutputIterator</span> <span class="identifier">regex_replace</span><span class="special">(</span><span class="identifier">OutputIterator</span> <span class="identifier">out</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">Formatter</span> <span class="identifier">fmt</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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span>
- <span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">></span> <span class="identifier">regex_replace</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">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">Formatter</span> <span class="identifier">fmt</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>
- <h5>
- <a name="boost_regex.ref.regex_replace.h0"></a>
- <span class="phrase"><a name="boost_regex.ref.regex_replace.description"></a></span><a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.description">Description</a>
- </h5>
- <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">OutputIterator</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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span>
- <span class="identifier">OutputIterator</span> <span class="identifier">regex_replace</span><span class="special">(</span><span class="identifier">OutputIterator</span> <span class="identifier">out</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">Formatter</span> <span class="identifier">fmt</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>
- Enumerates all the occurrences of expression <span class="emphasis"><em>e</em></span> in the
- sequence [first, last), replacing each occurrence with the string that results
- by merging the match found with the format string <span class="emphasis"><em>fmt</em></span>,
- and copies the resulting string to <span class="emphasis"><em>out</em></span>. In the case
- that <span class="emphasis"><em>fmt</em></span> is a unary, binary or ternary function object,
- then the character sequence generated by that object is copied unchanged
- to the output when performing a substitution.
- </p>
- <p>
- If the flag <code class="computeroutput"><span class="identifier">format_no_copy</span></code>
- is set in <span class="emphasis"><em>flags</em></span> then unmatched sections of text are
- not copied to output.
- </p>
- <p>
- If the flag <code class="computeroutput"><span class="identifier">format_first_only</span></code>
- is set in flags then only the first occurrence of <span class="emphasis"><em>e</em></span>
- is replaced.
- </p>
- <p>
- The manner in which the format string <span class="emphasis"><em>fmt</em></span> is interpreted,
- along with the rules used for finding matches, are determined by the flags
- set in <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>.
- </p>
- <p>
- <span class="bold"><strong>Requires</strong></span> The type <code class="computeroutput"><span class="identifier">Formatter</span></code>
- must be either a pointer to a null-terminated string of type <code class="computeroutput"><span class="identifier">char_type</span><span class="special">[]</span></code>,
- or be a container of <code class="computeroutput"><span class="identifier">char_type</span></code>'s
- (for example <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">char_type</span><span class="special">></span></code>)
- or be a unary, binary or ternary functor that computes the replacement string
- from a function call: either <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">)</span></code>
- which must return a container of <code class="computeroutput"><span class="identifier">char_type</span></code>'s
- to be used as the replacement text, or either <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">,</span>
- <span class="identifier">out</span><span class="special">)</span></code>
- or <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">,</span> <span class="identifier">out</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>, both of which write the replacement text
- to <code class="computeroutput"><span class="special">*</span><span class="identifier">out</span></code>,
- and then return the new OutputIterator position. In each case <code class="computeroutput"><span class="identifier">what</span></code> is the <a class="link" href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object that represents
- the match found. Note that if the formatter is a functor, then it is <span class="emphasis"><em>passed
- by value</em></span>: users that want to pass function objects with internal
- state might want to use <a href="../../../../../../doc/html/ref.html" target="_top">Boost.Ref</a>
- to wrap the object so that it's passed by reference.
- </p>
- <p>
- <span class="bold"><strong>Effects</strong></span>: Constructs an <a class="link" href="regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> object:
- </p>
- <pre class="programlisting"><span class="identifier">regex_iterator</span><span class="special"><</span><span class="identifier">BidirectionalIterator</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">Allocator</span><span class="special">></span>
- <span class="identifier">i</span><span class="special">(</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">),</span>
- </pre>
- <p>
- and uses <span class="emphasis"><em>i</em></span> to enumerate through all of the matches
- <span class="emphasis"><em>m</em></span> of type <a class="link" href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> <code class="computeroutput"><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">></span></code>
- that occur within the sequence [first, last).
- </p>
- <p>
- If no such matches are found and
- </p>
- <pre class="programlisting"><span class="special">!(</span><span class="identifier">flags</span> <span class="special">&</span> <span class="identifier">format_no_copy</span><span class="special">)</span>
- </pre>
- <p>
- then calls
- </p>
- <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">last</span><span class="special">,</span> <span class="identifier">out</span><span class="special">).</span>
- </pre>
- <p>
- Otherwise, for each match found, if
- </p>
- <pre class="programlisting"><span class="special">!(</span><span class="identifier">flags</span> <span class="special">&</span> <span class="identifier">format_no_copy</span><span class="special">)</span>
- </pre>
- <p>
- calls
- </p>
- <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">m</span><span class="special">.</span><span class="identifier">prefix</span><span class="special">().</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">m</span><span class="special">.</span><span class="identifier">prefix</span><span class="special">().</span><span class="identifier">last</span><span class="special">,</span> <span class="identifier">out</span><span class="special">),</span>
- </pre>
- <p>
- and then calls
- </p>
- <pre class="programlisting"><span class="identifier">m</span><span class="special">.</span><span class="identifier">format</span><span class="special">(</span><span class="identifier">out</span><span class="special">,</span> <span class="identifier">fmt</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">).</span>
- </pre>
- <p>
- Finally if
- </p>
- <pre class="programlisting"><span class="special">!(</span><span class="identifier">flags</span> <span class="special">&</span> <span class="identifier">format_no_copy</span><span class="special">)</span>
- </pre>
- <p>
- calls
- </p>
- <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span><span class="identifier">last_m</span><span class="special">.</span><span class="identifier">suffix</span><span class="special">().</span><span class="identifier">first</span><span class="special">,</span> <span class="identifier">last_m</span><span class="special">,</span><span class="identifier">suffix</span><span class="special">().</span><span class="identifier">last</span><span class="special">,</span> <span class="identifier">out</span><span class="special">)</span>
- </pre>
- <p>
- where <span class="emphasis"><em>last_m</em></span> is a copy of the last match found.
- </p>
- <p>
- If <code class="computeroutput"><span class="identifier">flags</span> <span class="special">&</span>
- <span class="identifier">format_first_only</span></code> is non-zero then
- only the first match found is replaced.
- </p>
- <p>
- <span class="bold"><strong>Throws</strong></span>: <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">runtime_error</span></code>
- if the complexity of matching the expression against an N character string
- begins to exceed O(N<sup>2</sup>), or if the program runs out of stack space while matching
- the expression (if Boost.Regex is configured in recursive mode), or if the
- matcher exhausts its permitted memory allocation (if Boost.Regex is configured
- in non-recursive mode).
- </p>
- <p>
- <span class="bold"><strong>Returns</strong></span>: out.
- </p>
- <pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Formatter</span><span class="special">></span>
- <span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">></span> <span class="identifier">regex_replace</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">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">Formatter</span> <span class="identifier">fmt</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>
- <span class="bold"><strong>Requires</strong></span> The type <code class="computeroutput"><span class="identifier">Formatter</span></code>
- must be either a pointer to a null-terminated string of type <code class="computeroutput"><span class="identifier">char_type</span><span class="special">[]</span></code>,
- or be a container of <code class="computeroutput"><span class="identifier">char_type</span></code>'s
- (for example <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">char_type</span><span class="special">></span></code>)
- or be a unary, binary or ternary functor that computes the replacement string
- from a function call: either <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">)</span></code>
- which must return a container of <code class="computeroutput"><span class="identifier">char_type</span></code>'s
- to be used as the replacement text, or either <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">,</span>
- <span class="identifier">out</span><span class="special">)</span></code>
- or <code class="computeroutput"><span class="identifier">fmt</span><span class="special">(</span><span class="identifier">what</span><span class="special">,</span> <span class="identifier">out</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>, both of which write the replacement text
- to <code class="computeroutput"><span class="special">*</span><span class="identifier">out</span></code>,
- and then return the new OutputIterator position. In each case <code class="computeroutput"><span class="identifier">what</span></code> is the <a class="link" href="match_results.html" title="match_results"><code class="computeroutput"><span class="identifier">match_results</span></code></a> object that represents
- the match found.
- </p>
- <p>
- <span class="bold"><strong>Effects</strong></span>: Constructs an object <code class="computeroutput"><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">charT</span><span class="special">></span> <span class="identifier">result</span></code>, calls <code class="computeroutput"><span class="identifier">regex_replace</span><span class="special">(</span><span class="identifier">back_inserter</span><span class="special">(</span><span class="identifier">result</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">fmt</span><span class="special">,</span>
- <span class="identifier">flags</span><span class="special">)</span></code>,
- and then returns <code class="computeroutput"><span class="identifier">result</span></code>.
- </p>
- <h5>
- <a name="boost_regex.ref.regex_replace.h1"></a>
- <span class="phrase"><a name="boost_regex.ref.regex_replace.examples"></a></span><a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.examples">Examples</a>
- </h5>
- <p>
- The following example takes C/C++ source code as input, and outputs syntax
- highlighted HTML code.
- </p>
- <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">fstream</span><span class="special">></span>
- <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">sstream</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">iterator</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">fstream</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="comment">// purpose:</span>
- <span class="comment">// takes the contents of a file and transform to</span>
- <span class="comment">// syntax highlighted code in html format</span>
- <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span> <span class="identifier">e1</span><span class="special">,</span> <span class="identifier">e2</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">expression_text</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">format_string</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">pre_expression</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">pre_format</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">header_text</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">footer_text</span><span class="special">;</span>
- <span class="keyword">void</span> <span class="identifier">load_file</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">std</span><span class="special">::</span><span class="identifier">istream</span><span class="special">&</span> <span class="identifier">is</span><span class="special">)</span>
- <span class="special">{</span>
- <span class="identifier">s</span><span class="special">.</span><span class="identifier">erase</span><span class="special">();</span>
- <span class="identifier">s</span><span class="special">.</span><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">is</span><span class="special">.</span><span class="identifier">rdbuf</span><span class="special">()-></span><span class="identifier">in_avail</span><span class="special">());</span>
- <span class="keyword">char</span> <span class="identifier">c</span><span class="special">;</span>
- <span class="keyword">while</span><span class="special">(</span><span class="identifier">is</span><span class="special">.</span><span class="identifier">get</span><span class="special">(</span><span class="identifier">c</span><span class="special">))</span>
- <span class="special">{</span>
- <span class="keyword">if</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">capacity</span><span class="special">()</span> <span class="special">==</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">size</span><span class="special">())</span>
- <span class="identifier">s</span><span class="special">.</span><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">capacity</span><span class="special">()</span> <span class="special">*</span> <span class="number">3</span><span class="special">);</span>
- <span class="identifier">s</span><span class="special">.</span><span class="identifier">append</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="identifier">c</span><span class="special">);</span>
- <span class="special">}</span>
- <span class="special">}</span>
- <span class="keyword">int</span> <span class="identifier">main</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">argc</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">**</span> <span class="identifier">argv</span><span class="special">)</span>
- <span class="special">{</span>
- <span class="keyword">try</span><span class="special">{</span>
- <span class="identifier">e1</span><span class="special">.</span><span class="identifier">assign</span><span class="special">(</span><span class="identifier">expression_text</span><span class="special">);</span>
- <span class="identifier">e2</span><span class="special">.</span><span class="identifier">assign</span><span class="special">(</span><span class="identifier">pre_expression</span><span class="special">);</span>
- <span class="keyword">for</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">1</span><span class="special">;</span> <span class="identifier">i</span> <span class="special"><</span> <span class="identifier">argc</span><span class="special">;</span> <span class="special">++</span><span class="identifier">i</span><span class="special">)</span>
- <span class="special">{</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"Processing file "</span> <span class="special"><<</span> <span class="identifier">argv</span><span class="special">[</span><span class="identifier">i</span><span class="special">]</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">ifstream</span> <span class="identifier">fs</span><span class="special">(</span><span class="identifier">argv</span><span class="special">[</span><span class="identifier">i</span><span class="special">]);</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">in</span><span class="special">;</span>
- <span class="identifier">load_file</span><span class="special">(</span><span class="identifier">in</span><span class="special">,</span> <span class="identifier">fs</span><span class="special">);</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">out_name</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">argv</span><span class="special">[</span><span class="identifier">i</span><span class="special">])</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="string">".htm"</span><span class="special">));</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">ofstream</span> <span class="identifier">os</span><span class="special">(</span><span class="identifier">out_name</span><span class="special">.</span><span class="identifier">c_str</span><span class="special">());</span>
- <span class="identifier">os</span> <span class="special"><<</span> <span class="identifier">header_text</span><span class="special">;</span>
- <span class="comment">// strip '<' and '>' first by outputting to a</span>
- <span class="comment">// temporary string stream</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostringstream</span> <span class="identifier">t</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ios</span><span class="special">::</span><span class="identifier">out</span> <span class="special">|</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ios</span><span class="special">::</span><span class="identifier">binary</span><span class="special">);</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream_iterator</span><span class="special"><</span><span class="keyword">char</span><span class="special">,</span> <span class="keyword">char</span><span class="special">></span> <span class="identifier">oi</span><span class="special">(</span><span class="identifier">t</span><span class="special">);</span>
- <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex_replace</span><span class="special">(</span><span class="identifier">oi</span><span class="special">,</span> <span class="identifier">in</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">in</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span>
- <span class="identifier">e2</span><span class="special">,</span> <span class="identifier">pre_format</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_default</span> <span class="special">|</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">format_all</span><span class="special">);</span>
- <span class="comment">// then output to final output stream</span>
- <span class="comment">// adding syntax highlighting:</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">s</span><span class="special">(</span><span class="identifier">t</span><span class="special">.</span><span class="identifier">str</span><span class="special">());</span>
- <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream_iterator</span><span class="special"><</span><span class="keyword">char</span><span class="special">,</span> <span class="keyword">char</span><span class="special">></span> <span class="identifier">out</span><span class="special">(</span><span class="identifier">os</span><span class="special">);</span>
- <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex_replace</span><span class="special">(</span><span class="identifier">out</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">e1</span><span class="special">,</span> <span class="identifier">format_string</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">match_default</span> <span class="special">|</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">format_all</span><span class="special">);</span>
- <span class="identifier">os</span> <span class="special"><<</span> <span class="identifier">footer_text</span><span class="special">;</span>
- <span class="special">}</span>
- <span class="special">}</span>
- <span class="keyword">catch</span><span class="special">(...)</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>
- <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
- <span class="special">}</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">pre_expression</span> <span class="special">=</span> <span class="string">"(<)|(>)|(&)|\\r"</span><span class="special">;</span>
- <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">pre_format</span> <span class="special">=</span> <span class="string">"(?1&lt;)(?2&gt;)(?3&amp;)"</span><span class="special">;</span>
- <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">expression_text</span> <span class="special">=</span>
- <span class="comment">// preprocessor directives: index 1</span>
- <span class="string">"(^[[:blank:]]*#(?:[^\\\\\\n]|\\\\[^\\n[:punct:][:word:]]*[\\n[:punct:][:word:]])*)|"</span>
- <span class="comment">// comment: index 2</span>
- <span class="string">"(//[^\\n]*|/\\*.*?\\*/)|"</span>
- <span class="comment">// literals: index 3</span>
- <span class="string">"\\<([+-]?(?:(?:0x[[:xdigit:]]+)|(?:(?:[[:digit:]]*\\.)?[[:digit:]]+"</span>
- <span class="string">"(?:[eE][+-]?[[:digit:]]+)?))u?(?:(?:int(?:8|16|32|64))|L)?)\\>|"</span>
- <span class="comment">// string literals: index 4</span>
- <span class="string">"('(?:[^\\\\']|\\\\.)*'|\"(?:[^\\\\\"]|\\\\.)*\")|"</span>
- <span class="comment">// keywords: index 5</span>
- <span class="string">"\\<(__asm|__cdecl|__declspec|__export|__far16|__fastcall|__fortran|__import"</span>
- <span class="string">"|__pascal|__rtti|__stdcall|_asm|_cdecl|__except|_export|_far16|_fastcall"</span>
- <span class="string">"|__finally|_fortran|_import|_pascal|_stdcall|__thread|__try|asm|auto|bool"</span>
- <span class="string">"|break|case|catch|cdecl|char|class|const|const_cast|continue|default|delete"</span>
- <span class="string">"|do|double|dynamic_cast|else|enum|explicit|extern|false|float|for|friend|goto"</span>
- <span class="string">"|if|inline|int|long|mutable|namespace|new|operator|pascal|private|protected"</span>
- <span class="string">"|public|register|reinterpret_cast|return|short|signed|sizeof|static|static_cast"</span>
- <span class="string">"|struct|switch|template|this|throw|true|try|typedef|typeid|typename|union|unsigned"</span>
- <span class="string">"|using|virtual|void|volatile|wchar_t|while)\\>"</span>
- <span class="special">;</span>
- <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">format_string</span> <span class="special">=</span> <span class="string">"(?1<font color=\"#008040\">$&</font>)"</span>
- <span class="string">"(?2<I><font color=\"#000080\">$&</font></I>)"</span>
- <span class="string">"(?3<font color=\"#0000A0\">$&</font>)"</span>
- <span class="string">"(?4<font color=\"#0000FF\">$&</font>)"</span>
- <span class="string">"(?5<B>$&</B>)"</span><span class="special">;</span>
- <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">header_text</span> <span class="special">=</span>
- <span class="string">"<HTML>\n<HEAD>\n"</span>
- <span class="string">"<TITLE>Auto-generated html formatted source</TITLE>\n"</span>
- <span class="string">"<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=windows-1252\">\n"</span>
- <span class="string">"</HEAD>\n"</span>
- <span class="string">"<BODY LINK=\"#0000ff\" VLINK=\"#800080\" BGCOLOR=\"#ffffff\">\n"</span>
- <span class="string">"<P> </P>\n<PRE>"</span><span class="special">;</span>
- <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">footer_text</span> <span class="special">=</span> <span class="string">"</PRE>\n</BODY>\n\n"</span><span class="special">;</span>
- </pre>
- </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>
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
- </p>
- </div></td>
- </tr></table>
- <hr>
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