133 lines
3.1 KiB
Perl
133 lines
3.1 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::conditional;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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use UNIVERSAL;
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sub import {
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hook(type => "getsetup", id => "conditional", call => \&getsetup);
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hook(type => "preprocess", id => "if", call => \&preprocess_if);
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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 => undef,
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},
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}
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sub preprocess_if (@) {
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my %params=@_;
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foreach my $param (qw{test then}) {
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if (! exists $params{$param}) {
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error sprintf(gettext('%s parameter is required'), $param);
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}
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}
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my $result=0;
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if ((exists $params{all} && lc $params{all} eq "no") ||
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# An optimisation to avoid needless looping over every page
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# and adding of dependencies for simple uses of some of the
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# tests.
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$params{test} =~ /^([\s\!()]*((enabled|sourcepage|destpage|included)\([^)]*\)|(and|or))[\s\!()]*)+$/) {
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add_depends($params{page}, "($params{test}) and $params{page}");
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$result=pagespec_match($params{page}, $params{test},
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location => $params{page},
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sourcepage => $params{page},
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destpage => $params{destpage});
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}
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else {
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add_depends($params{page}, $params{test});
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foreach my $page (keys %pagesources) {
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if (pagespec_match($page, $params{test},
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location => $params{page},
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sourcepage => $params{page},
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destpage => $params{destpage})) {
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$result=1;
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last;
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}
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}
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}
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my $ret;
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if ($result) {
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$ret=$params{then};
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}
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elsif (exists $params{else}) {
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$ret=$params{else};
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}
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else {
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$ret="";
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}
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return IkiWiki::preprocess($params{page}, $params{destpage},
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IkiWiki::filter($params{page}, $params{destpage}, $ret));
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}
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package IkiWiki::PageSpec;
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sub match_enabled ($$;@) {
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shift;
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my $plugin=shift;
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# test if the plugin is enabled
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if (UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import")) {
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return IkiWiki::SuccessReason->new("$plugin is enabled");
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}
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else {
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return IkiWiki::FailReason->new("$plugin is not enabled");
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}
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}
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sub match_sourcepage ($$;@) {
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shift;
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my $glob=shift;
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my %params=@_;
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$glob=derel($glob, $params{location});
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return IkiWiki::FailReason->new("cannot match sourcepage") unless exists $params{sourcepage};
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if (match_glob($params{sourcepage}, $glob, @_)) {
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return IkiWiki::SuccessReason->new("sourcepage matches $glob");
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}
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else {
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return IkiWiki::FailReason->new("sourcepage does not match $glob");
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}
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}
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sub match_destpage ($$;@) {
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shift;
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my $glob=shift;
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my %params=@_;
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$glob=derel($glob, $params{location});
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return IkiWiki::FailReason->new("cannot match destpage") unless exists $params{destpage};
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if (match_glob($params{destpage}, $glob, @_)) {
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return IkiWiki::SuccessReason->new("destpage matches $glob");
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}
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else {
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return IkiWiki::FailReason->new("destpage does not match $glob");
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}
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}
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sub match_included ($$;@) {
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shift;
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shift;
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my %params=@_;
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return IkiWiki::FailReason->new("cannot match included") unless exists $params{sourcepage} && exists $params{destpage};
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if ($params{sourcepage} ne $params{destpage}) {
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return IkiWiki::SuccessReason->new("page $params{sourcepage} is included");
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}
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else {
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return IkiWiki::FailReason->new("page $params{sourcepage} is not included");
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}
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}
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1
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