[Konversation-devel] [Bug 218332] No way to output '%1' in autoreplace

[Travis McHenry]

https://bugs.kde.org/show_bug.cgi?id=218332


Travis McHenry <wordsizzle at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED




--- Comment #1 from Travis McHenry <wordsizzle gmail com>  2009-12-15 08:47:50 ---
commit a54b8543fa24de3bf6fe6993724b588a9e48a1b4
Author: Travis McHenry <wordsizzle at gmail.com>
Date:   Tue Dec 15 00:44:23 2009 -0700

    Fix an autoreplace bug and enable escaping

    Make it so we can do multiple replaces in a single line again by
    not replacing the content of the 'global' replace variable
    BUG:211632

    Make it so we can support %# in replacements  without it getting
    lost in regex land by allowing escaping (with %%#).If you're so
    inclined please review the big comment explaining why we can't
    just not remove the leftover %# to make sure I'm not shooting hot
    air.
    BUG:218332

diff --git a/src/application.cpp b/src/application.cpp
index cf61af5..79c7730 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -1007,18 +1007,27 @@ QString Application::doAutoreplace(const QString&
text,bool output)
                     {
                         // remember captured patterns
                         QStringList captures = needleReg.capturedTexts();
+                        QString replaceWith = replacement;

-                        // replace %0 - %9 in regex groups
+                        replaceWith.replace("%%","%\x01"); // escape double %
+                        // replace %0-9 in regex groups
                         for (int capture=0;capture<captures.count();capture++)
                         {
-                           
replacement.replace(QString("%%1").arg(capture),captures[capture]);
+                            QString search = QString("%%1").arg(capture);
+                            replaceWith.replace(search, captures[capture]);
                         }
-                        replacement.remove(QRegExp("%[0-9]"));
+                        //Explanation why this is important so we don't
forget:
+                        //If somebody has a regex that say has a replacement
of url.com/%1/%2 and the
+                        //regex can either match one or two patterns, if the
2nd pattern match is left,
+                        //the url is invalid (url.com/match/%2). This is
expected regex behavior I'd assume.
+                        replaceWith.remove(QRegExp("%[0-9]"));
+
+                        replaceWith.replace("%\x01","%"); // return escaped %
to normal
                         // allow for var expansion in autoreplace
-                        replacement =
Konversation::doVarExpansion(replacement);
+                        replaceWith =
Konversation::doVarExpansion(replaceWith);
                         // replace input with replacement
-                        line.replace(index, captures[0].length(),
replacement);
-                        index += replacement.length();
+                        line.replace(index, captures[0].length(),
replaceWith);
+                        index += replaceWith.length();
                     }
                 } while (index >= 0 && index < (int)line.length());
             }

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