160 lines
4.3 KiB
Markdown
160 lines
4.3 KiB
Markdown
Here is another [[patch]] for this. It is more up to date than either of the patches linked on the previous page. It is most similar to [[plugins/contrib/sourcehighlight]].
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Updated to use fix noted in [[bugs/multiple_pages_with_same_name]].
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-- [[Will]]
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----
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#!/usr/bin/perl
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# markup source files
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package IkiWiki::Plugin::sourcecode;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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use open qw{:utf8 :std};
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my %metaheaders;
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sub import {
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hook(type => "getsetup", id => "sourcecode", call => \&getsetup);
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hook(type => "checkconfig", id => "sourcecode", call => \&checkconfig);
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hook(type => "pagetemplate", id => "sourcecode", call => \&pagetemplate);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => 1, # format plugin
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},
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sourcecode_command => {
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type => "string",
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example => "/usr/bin/source-highlight",
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description => "The command to execute to run source-highlight",
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safe => 0,
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rebuild => 1,
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},
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sourcecode_lang => {
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type => "string",
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example => "c,cpp,h,java",
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description => "Comma separated list of suffixes to recognise as source code",
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safe => 1,
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rebuild => 1,
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},
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sourcecode_linenumbers => {
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type => "boolean",
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example => 1,
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description => "Should we add line numbers to the source code",
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safe => 1,
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rebuild => 1,
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},
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sourcecode_css => {
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type => "string",
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example => "sourcecode_style",
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description => "page to use as css file for source",
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safe => 1,
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rebuild => 1,
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},
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}
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sub checkconfig () {
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if (! $config{sourcecode_lang}) {
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error("The sourcecode plugin requires a list of suffixes in the 'sourcecode_lang' config option");
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}
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if (! $config{sourcecode_command}) {
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$config{sourcecode_command} = "source-highlight";
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}
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if (! length `which $config{sourcecode_command} 2>/dev/null`) {
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error("The sourcecode plugin is unable to find the $config{sourcecode_command} command");
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}
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if (! $config{sourcecode_css}) {
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$config{sourcecode_css} = "sourcecode_style";
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}
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if (! defined $config{sourcecode_linenumbers}) {
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$config{sourcecode_linenumbers} = 1;
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}
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my %langs = ();
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open(LANGS, "$config{sourcecode_command} --lang-list|");
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while (<LANGS>) {
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if ($_ =~ /(\w+) = .+\.lang/) {
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$langs{$1} = 1;
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}
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}
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close(LANGS);
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foreach my $lang (split(/[, ]+/, $config{sourcecode_lang})) {
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if ($langs{$lang}) {
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hook(type => "htmlize", id => $lang, call => \&htmlize, keepextension => 1);
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} else {
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error("Your installation of source-highlight cannot handle sourcecode language $lang!");
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}
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}
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}
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sub htmlize (@) {
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my %params=@_;
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my $page = $params{page};
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eval q{use FileHandle};
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error($@) if $@;
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eval q{use IPC::Open2};
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error($@) if $@;
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local(*SPS_IN, *SPS_OUT); # Create local handles
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my @args;
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if ($config{sourcecode_linenumbers}) {
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push @args, '--line-number= ';
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}
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my $pid = open2(*SPS_IN, *SPS_OUT, $config{sourcecode_command},
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'-s', IkiWiki::pagetype($pagesources{$page}),
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'-c', $config{sourcecode_css}, '--no-doc',
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'-f', 'xhtml',
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@args);
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error("Unable to open $config{sourcecode_command}") unless $pid;
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print SPS_OUT $params{content};
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close SPS_OUT;
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my @html = <SPS_IN>;
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close SPS_IN;
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waitpid $pid, 0;
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my $stylesheet=bestlink($page, $config{sourcecode_css}.".css");
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if (length $stylesheet) {
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push @{$metaheaders{$page}}, '<link href="'.urlto($stylesheet, $page).'"'.
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' rel="stylesheet"'.
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' type="text/css" />';
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}
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return '<div id="sourcecode">'."\r\n".join("\r\n",@html)."\r\n</div>\n";
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}
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sub pagetemplate (@) {
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my %params=@_;
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my $page=$params{page};
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my $template=$params{template};
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if (exists $metaheaders{$page} && $template->query(name => "meta")) {
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# avoid duplicate meta lines
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my %seen;
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$template->param(meta => join("\n", grep { (! $seen{$_}) && ($seen{$_}=1) } @{$metaheaders{$page}}));
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}
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}
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1
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