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Allow match_results::position() to return a valid value for partial matches.

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[SVN r34324]
This commit is contained in:
John Maddock
2006-06-17 12:48:03 +00:00
parent c666793a92
commit 4f90cd5c91
5 changed files with 21 additions and 13 deletions
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8
doc/Attic/history.html
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@ -27,8 +27,11 @@
<P>Boost 1.34</P>
<UL>
<LI>
Fix for non-greedy repeats and partial matches not working correctly in some cases.
</LI>
Fix for non-greedy repeats and partial matches not working correctly in some
cases.
<LI>
Changed match_results::position() to return a valid result when *this
represents a partial match.</LI>
</UL>
<P>Boost 1.33.1</P>
<UL>
@ -169,4 +172,3 @@
or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)</I></P>
</body>
</html>

4
doc/Attic/match_results.html
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@ -300,7 +300,9 @@ difference_type position(unsigned int sub = 0)const;
</pre>
<b></b>
<p><b>Effects:</b> Returns the starting location of sub-expression <EM>sub</EM>,
or -1 if <EM>sub</EM> was not matched <code>.</code></p>
or -1 if <EM>sub</EM> was not matched.&nbsp; Note that if this represents a <A href="partial_matches.html">
partial match</A> , then <code>position()</code> will return the location of
the partial match even though <code>(*this)[0].matched</code> is <EM>false</EM>.</p>
<pre><A name=m6></A>
string_type str(int sub = 0)const;
</pre>

8
doc/history.html
View File

@ -27,8 +27,11 @@
<P>Boost 1.34</P>
<UL>
<LI>
Fix for non-greedy repeats and partial matches not working correctly in some cases.
</LI>
Fix for non-greedy repeats and partial matches not working correctly in some
cases.
<LI>
Changed match_results::position() to return a valid result when *this
represents a partial match.</LI>
</UL>
<P>Boost 1.33.1</P>
<UL>
@ -169,4 +172,3 @@
or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)</I></P>
</body>
</html>

4
doc/match_results.html
View File

@ -300,7 +300,9 @@ difference_type position(unsigned int sub = 0)const;
</pre>
<b></b>
<p><b>Effects:</b> Returns the starting location of sub-expression <EM>sub</EM>,
or -1 if <EM>sub</EM> was not matched <code>.</code></p>
or -1 if <EM>sub</EM> was not matched.&nbsp; Note that if this represents a <A href="partial_matches.html">
partial match</A> , then <code>position()</code> will return the location of
the partial match even though <code>(*this)[0].matched</code> is <EM>false</EM>.</p>
<pre><A name=m6></A>
string_type str(int sub = 0)const;
</pre>

2
include/boost/regex/v4/match_results.hpp
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@ -94,7 +94,7 @@ public:
if(sub < m_subs.size())
{
const sub_match<BidiIterator>& s = m_subs[sub];
if(s.matched)
if(s.matched || (sub == 2))
{
return ::boost::re_detail::distance((BidiIterator)(m_base), (BidiIterator)(s.first));
}