mirror of
https://github.com/boostorg/regex.git
synced 2025-07-29 12:07:28 +02:00
Add checked constructors to the Unicode iterators that need them.
Update icu support code to use the new checking-constructors. Update tests to check the full Unicode character range (as of Unicode V6). Add minimal docs describing the iterators. [SVN r73271]
This commit is contained in:
John Maddock
@ -3,7 +3,7 @@
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<title>sub_match</title>
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@ -22,7 +22,7 @@
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<div class="spirit-nav">
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<a accesskey="p" href="match_results.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ref.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="regex_match.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
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<div class="section" lang="en">
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_regex.ref.sub_match"></a><a class="link" href="sub_match.html" title="sub_match">sub_match</a>
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</h3></div></div></div>
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@ -113,10 +113,10 @@
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<span class="keyword">const</span> <span class="identifier">capture_sequence_type</span><span class="special">&</span> <a class="link" href="sub_match.html#boost_regex.sub_match.captures">captures</a><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
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<span class="preprocessor">#endif</span>
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<span class="special">};</span>
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<span class="comment">//
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</span><span class="comment">// comparisons to another sub_match:
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</span><span class="comment">//
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</span><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="comment">//</span>
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<span class="comment">// comparisons to another sub_match:</span>
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<span class="comment">//</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare1">operator ==</a> <span class="special">(</span><span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">lhs</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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@ -136,10 +136,10 @@
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="comment">//
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</span><span class="comment">// comparisons to a basic_string:
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</span><span class="comment">//
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</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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">></span>
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<span class="comment">//</span>
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<span class="comment">// comparisons to a basic_string:</span>
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<span class="comment">//</span>
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<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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">></span>
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare7">operator ==</a> <span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span><span class="special">,</span>
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<span class="identifier">traits</span><span class="special">,</span>
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<span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">lhs</span><span class="special">,</span>
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@ -201,10 +201,10 @@
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<span class="identifier">traits</span><span class="special">,</span>
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<span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="comment">//
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</span><span class="comment">// comparisons to a pointer to a character array:
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</span><span class="comment">//
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</span><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="comment">//</span>
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<span class="comment">// comparisons to a pointer to a character array:</span>
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<span class="comment">//</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare19">operator == </a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span> <span class="keyword">const</span><span class="special">*</span> <span class="identifier">lhs</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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@ -242,10 +242,10 @@
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare30">operator <= </a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">lhs</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span> <span class="keyword">const</span><span class="special">*</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="comment">//
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</span><span class="comment">// comparisons to a single character:
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</span><span class="comment">//
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</span><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="comment">//</span>
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<span class="comment">// comparisons to a single character:</span>
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<span class="comment">//</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare31">operator == </a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">lhs</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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@ -282,10 +282,10 @@
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="keyword">bool</span> <a class="link" href="sub_match.html#boost_regex.sub_match.op_compare42">operator <= </a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">lhs</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">rhs</span><span class="special">);</span>
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<span class="comment">//
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</span><span class="comment">// addition operators:
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</span><span class="comment">//
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</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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">></span>
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<span class="comment">// </span>
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<span class="comment">// addition operators: </span>
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<span class="comment">//</span>
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<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">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">></span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">></span>
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<a class="link" href="sub_match.html#boost_regex.sub_match.op_add1">operator + </a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>::</span><span class="identifier">value_type</span><span class="special">,</span>
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<span class="identifier">traits</span><span class="special">,</span>
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@ -318,22 +318,22 @@
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<a class="link" href="sub_match.html#boost_regex.sub_match.op_add7">operator + </a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">m1</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">m2</span><span class="special">);</span>
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<span class="comment">//
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</span><span class="comment">// stream inserter:
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</span><span class="comment">//
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</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">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="comment">//</span>
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<span class="comment">// stream inserter:</span>
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<span class="comment">//</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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<span class="identifier">basic_ostream</span><span class="special"><</span><span class="identifier">charT</span><span class="special">,</span> <span class="identifier">traits</span><span class="special">>&</span>
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<a class="link" href="sub_match.html#boost_regex.sub_match.op_stream">operator << </a><span class="special">(</span><span class="identifier">basic_ostream</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">os</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">sub_match</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">>&</span> <span class="identifier">m</span><span class="special">);</span>
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<span class="special">}</span> <span class="comment">// namespace boost
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</span></pre>
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<span class="special">}</span> <span class="comment">// namespace boost</span>
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</pre>
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<a name="boost_regex.ref.sub_match.description"></a><h5>
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<a name="id1049853"></a>
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<a name="boost_regex.ref.sub_match.description-heading"></a>
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<a class="link" href="sub_match.html#boost_regex.ref.sub_match.description">Description</a>
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</h5>
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<a name="boost_regex.ref.sub_match.members"></a><h6>
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<a name="id1049866"></a>
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<a name="boost_regex.ref.sub_match.members-heading"></a>
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<a class="link" href="sub_match.html#boost_regex.ref.sub_match.members">Members</a>
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</h6>
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<a name="boost_regex.sub_match.value_type"></a><pre class="programlisting"><span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">iterator_traits</span><span class="special"><</span><span class="identifier">iterator</span><span class="special">>::</span><span class="identifier">value_type</span> <span class="identifier">value_type</span><span class="special">;</span>
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@ -429,24 +429,24 @@
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<span class="bold"><strong>Rationale</strong></span>: Enabling this feature has several
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consequences:
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</p>
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<div class="itemizedlist"><ul type="disc">
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<li>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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sub_match occupies more memory resulting in complex expressions running
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out of memory or stack space more quickly during matching.
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</li>
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<li>
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<li class="listitem">
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The matching algorithms are less efficient at handling some features
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(independent sub-expressions for example), even when match_extra is not
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used.
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</li>
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<li>
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<li class="listitem">
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The matching algorithms are much less efficient (i.e. slower), when match_extra
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is used. Mostly this is down to the extra memory allocations that have
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to take place.
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</li>
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</ul></div>
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<a name="boost_regex.ref.sub_match.sub_match_non_member_operators"></a><h6>
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<a name="id1050927"></a>
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<a name="boost_regex.ref.sub_match.sub_match_non_member_operators-heading"></a>
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<a class="link" href="sub_match.html#boost_regex.ref.sub_match.sub_match_non_member_operators">sub_match
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non-member operators</a>
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</h6>
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@ -883,7 +883,7 @@
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<span class="special">+</span> <span class="identifier">m2</span><span class="special">.</span><span class="identifier">str</span><span class="special">()</span></code>.
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</p>
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<a name="boost_regex.ref.sub_match.stream_inserter"></a><h6>
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<a name="id1062761"></a>
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<a name="boost_regex.ref.sub_match.stream_inserter-heading"></a>
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<a class="link" href="sub_match.html#boost_regex.ref.sub_match.stream_inserter">Stream inserter</a>
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</h6>
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<a name="boost_regex.sub_match.op_stream"></a><pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">></span>
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@ -897,7 +897,7 @@
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 1998 -2010 John Maddock<p>
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<td align="right"><div class="copyright-footer">Copyright © 1998-2010 John Maddock<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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