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Add support for regex encoder for %rename.

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This allows to write %rename("%(regex:/pattern/subst/)s") to apply a
regex-based replacement to a declaration name.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12170 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Vadim Zeitlin 2010-07-22 17:00:37 +00:00
commit c4e9043288
3 changed files with 130 additions and 0 deletions
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@ -1871,6 +1871,18 @@ and a more descriptive one, but the two functions are otherwise equivalent):
literally, e.g. <tt>%rename("strip:[wx]")</tt></td>
<td><tt>wxPrint</tt></td><td><tt>Print</tt></td>
</tr>
<tr>
<td><span style="white-space: nowrap;"><tt>regex:/pattern/subst/</tt></span</td>
<td>String after (Perl-like) regex substitution operation. This function
allows to apply arbitrary regular expressions to the identifier names. The
<i>pattern</i> part is a regular expression in Perl syntax (as supported
by <a href="http://www.pcre.org/">PCRE</a>) and the <i>subst</i> string
can contain back-references introduced by <tt>'\'</tt> or, as backslashes need
to be escaped in C strings, rather by <tt>"\\"</tt>. For example, to remove
any alphabetic prefix before an underscore you could use the following directive:
<tt>%rename("regex:/(\\w+)_(.*)/\\2/")</tt></td>
<td><tt>Prefix_Print</tt></td><td><tt>Print</tt></td>
</tr>
<tr>
<td><tt>command:cmd</tt></td>
<td>Output of an external command <tt>cmd</tt> with the string passed to