Item13916: TagMePlugin need switch for utf8 when it used Foswiki::Func::saveFile|readFile.

Foswiki::Func::saveFile|readFile need switch on call for use with utf8(like described in engine).

Now list tag encodes in utf8 twice after edit or add tag.

-- StanleyTweedle - 08 Jan 2016

It's also not correctly handling encode/decode of unicode web & topic names. Try the following patch

diff --git a/lib/Foswiki/Plugins/TagMePlugin.pm b/lib/Foswiki/Plugins/TagMePlugin.pm
index 78fce0c..6adf207 100644
--- a/lib/Foswiki/Plugins/TagMePlugin.pm
+++ b/lib/Foswiki/Plugins/TagMePlugin.pm
@@ -1402,7 +1402,7 @@ sub _readTagInfo {
     my ($webTopic) = @_;
 
     $webTopic =~ s/[\/\\]/\./g;
-    my $text = Foswiki::Func::readFile("$workAreaDir/_tags_$webTopic.txt");
+    my $text = Foswiki::Func::readFile("$workAreaDir/_tags_$webTopic.txt", 1);
     my @info = grep { /^[0-9]/ } split( /\n/, $text );
     return @info;
 }
@@ -1415,7 +1415,7 @@ sub _writeTagInfo {
     if ( scalar @info ) {
         my $text = "# This file is generated, do not edit\n"
           . join( "\n", reverse sort @info ) . "\n";
-        Foswiki::Func::saveFile( $file, $text );
+        Foswiki::Func::saveFile( $file, $text, 1 );
     }
     elsif ( -e $file ) {
         unlink($file);
@@ -1431,15 +1431,15 @@ sub renameTagInfo {
     my $oldFile = "$workAreaDir/_tags_$oldWebTopic.txt";
     my $newFile = "$workAreaDir/_tags_$newWebTopic.txt";
     if ( -e $oldFile ) {
-        my $text = Foswiki::Func::readFile($oldFile);
-        Foswiki::Func::saveFile( $newFile, $text );
+        my $text = Foswiki::Func::readFile($oldFile, 1);
+        Foswiki::Func::saveFile( $newFile, $text, 1 );
         unlink($oldFile);
     }
 }
 
 # =========================
 sub _readAllTags {
-    my $text = Foswiki::Func::readFile("$workAreaDir/_tags_all.txt");
+    my $text = Foswiki::Func::readFile("$workAreaDir/_tags_all.txt", 1);
 
     #my @tags = grep{ /^[${alphaNum}_]/ } split( /\n/, $text );
     # we assume that this file has been written by TagMe, so tags should be
@@ -1455,7 +1455,7 @@ sub writeAllTags {
     my (@tags) = @_;
     my $text = "# This file is generated, do not edit\n"
       . join( "\n", sort { lc $a cmp lc $b } @tags ) . "\n";
-    Foswiki::Func::saveFile( "$workAreaDir/_tags_all.txt", $text );
+    Foswiki::Func::saveFile( "$workAreaDir/_tags_all.txt", $text, 1 );
 }
 
 # =========================
@@ -1744,16 +1744,14 @@ sub _htmlPostChangeRequestFormField {
 
 # =========================
 sub _urlEncode {
-    my $text = shift;
-    $text =~ s/([^0-9a-zA-Z-_.:~!*'()\/%])/'%'.sprintf('%02x',ord($1))/ge;
-    return $text;
+    # Foswiki 2.x  use core urlEncode
+    return Foswiki::urlEncode( $_[0] );
 }
 
 # =========================
 sub _urlDecode {
-    my $text = shift;
-    $text =~ s/%([\da-f]{2})/chr(hex($1))/gei;
-    return $text;
+    # Foswiki 2.x  urlDecode not required.
+    return $_[0];
 }
 
 # =========================
@@ -1765,7 +1763,7 @@ sub _handleMakeText {
 
     # very crude hack to remove MAKETEXT{"...."}
     # Note: parameters are _not_ supported!
-    $_[0] =~ s/[%]MAKETEXT{ *\"(.*?)." *}%/$1/go;
+    $_[0] =~ s/[%]MAKETEXT\{ *\"(.*?)." *\}%/$1/go;
 }
 
 # =========================

Note that this isn't in a final form - it would break compatibility with Foswiki 1.x

-- GeorgeClark - 09 Jan 2017

Uploaded version 2.2, tested on Foswiki 2.1 and 1.1.9.

-- GeorgeClark - 11 Jan 2017

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