make revert hooks optional

[git.ikiwiki.info.git] / IkiWiki / Plugin / highlight.pm

diff --git a/IkiWiki/Plugin/highlight.pm b/IkiWiki/Plugin/highlight.pm
index 947fb692e5ab8fbe103f29a20d23fd969b47c235..d4ade0a7b3f788c71472c82b1e359b5572731d74 100644 (file)
--- a/IkiWiki/Plugin/highlight.pm
+++ b/IkiWiki/Plugin/highlight.pm
@@ -6,10 +6,6 @@ use strict;
 use IkiWiki 3.00;
 use Encode;
 
-# locations of highlight's files
-my $filetypes="/etc/highlight/filetypes.conf";
-my $langdefdir="/usr/share/highlight/langDefs";
-
 sub import {
        hook(type => "getsetup", id => "highlight",  call => \&getsetup);
        hook(type => "checkconfig", id => "highlight", call => \&checkconfig);
@@ -32,9 +28,29 @@ sub getsetup () {
                        safe => 1,
                        rebuild => 1,
                },
+               filetypes_conf => {
+                       type => "string",
+                       example => "/etc/highlight/filetypes.conf",
+                       description => "location of highlight's filetypes.conf",
+                       safe => 0,
+                       rebuild => undef,
+               },
+               langdefdir => {
+                       type => "string",
+                       example => "/usr/share/highlight/langDefs",
+                       description => "location of highlight's langDefs directory",
+                       safe => 0,
+                       rebuild => undef,
+               },
 }
 
 sub checkconfig () {
+       if (! exists $config{filetypes_conf}) {
+               $config{filetypes_conf}="/etc/highlight/filetypes.conf";
+       }
+       if (! exists $config{langdefdir}) {
+               $config{langdefdir}="/usr/share/highlight/langDefs";
+       }
        if (exists $config{tohighlight}) {
                foreach my $file (split ' ', $config{tohighlight}) {
                        my @opts = $file=~s/^\.// ?
@@ -80,7 +96,7 @@ my %highlighters;
 
 # Parse highlight's config file to get extension => language mappings.
 sub read_filetypes () {
-       open (IN, $filetypes);
+       open (IN, $config{filetypes_conf}) || error("$config{filetypes_conf}: $!");
        while (<IN>) {
                chomp;
                if (/^\$ext\((.*)\)=(.*)$/) {
@@ -97,12 +113,12 @@ sub read_filetypes () {
 sub ext2langfile ($) {
        my $ext=shift;
 
-       my $langfile="$langdefdir/$ext.lang";
+       my $langfile="$config{langdefdir}/$ext.lang";
        return $langfile if exists $highlighters{$langfile};
 
        read_filetypes() unless $filetypes_read;
        if (exists $ext2lang{$ext}) {
-               return "$langdefdir/$ext2lang{$ext}.lang";
+               return "$config{langdefdir}/$ext2lang{$ext}.lang";
        }
        # If a language only has one common extension, it will not
        # be listed in filetypes, so check the langfile.