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package Highlighting;
# This file is part of the pnopaste program
# Copyright (C) 2008-2021 Patrick Matthäi <pmatthaei@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
use warnings;
no warnings 'once';
use strict;
use Syntax::Highlight::Engine::Kate;
use conf::Syntax_Languages;
# Language object.
my $Language = '';
### Sets the language object.
sub Language {
my($Lang) = @_;
if(Is_Valid($Lang)){
$Language = $Lang;
return 1;
}
return 0;
}
### Checks if the given language is available.
sub Is_Valid {
my($Check) = @_;
if(!$Check){
# No value given, invalid.
return 0;
}
elsif($Syntax_Languages::Langs{$Check} == 1){
# Valid.
return 1;
}
return 0;
}
### Gets the available languages.
sub Get_Languages {
my @List;
while(my($Code_Lang, $Code_Enable) = each(%Syntax_Languages::Langs)){
if($Code_Enable){
# Just add activated languages.
push(@List, $Code_Lang);
}
}
return @List;
}
### Creates the highlighting using the Kate module.
sub Highlight {
my($Code) = @_;
if(!$Language){
return 'No language defined.';
}
my $hl = new Syntax::Highlight::Engine::Kate(
language => $Language,
substitutions => {
"<" => "<",
">" => ">",
"&" => "&",
"\t" => " ",
# All hail to <pre>! (ToDo: Does this work with trailing spaces?)
# " " => " ",
# "\t" => " ",
"\r" => "",
"\n" => "\n",
},
format_table => {
Alert => ["<span class=\"hl_Alert\">", "</span>"],
BaseN => ["<span class=\"hl_BaseN\">", "</span>"],
BString => ["<span class=\"hl_BString\">", "</span>"],
Char => ["<span class=\"hl_Char\">", "</span>"],
Comment => ["<span class=\"hl_Comment\">", "</span>"],
DataType => ["<span class=\"hl_DataType\">", "</span>"],
DecVal => ["<span class=\"hl_DecVal\">", "</span>"],
Error => ["<span class=\"hl_Error\">", "</span>"],
Float => ["<span class=\"hl_Float\">", "</span>"],
Function => ["<span class=\"hl_Function\">", "</span>"],
IString => ["<span class=\"hl_IString\">", "</span>"],
Keyword => ["<span class=\"hl_Keyword\">", "</span>"],
Normal => ["", ""],
Operator => ["<span class=\"hl_Operator\">", "</span>"],
Others => ["<span class=\"hl_Others\">", "</span>"],
RegionMarker => ["<span class=\"hl_RegionMarker\">", "</span>"],
Reserved => ["<span class=\"hl_Reserved\">", "</span>"],
String => ["<span class=\"hl_String\">", "</span>"],
Variable => ["<span class=\"hl_Variable\">", "</span>"],
Warning => ["<span class=\"hl_Warning\">", "</span>"],
},
);
$Code = $hl->highlightText($Code);
return $Code;
}
### Creates the time list with option tags for HTML.
sub Build_Syntax_List_HTML {
my @List = Get_Languages();
my $String = '';
@List = sort(@List);
foreach my $Tmp (@List){
if($Tmp eq $Syntax_Languages::Selected){
$String .= '<option selected="selected">' . $Tmp . '</option>' . "\n";
} else {
$String .= '<option>' . $Tmp . '</option>' . "\n";
}
}
return $String;
}
1;
|
