fix example

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

diff --git a/IkiWiki/Plugin/conditional.pm b/IkiWiki/Plugin/conditional.pm
index 29223ace24ef419bfb23bdd468a061bdebfdac19..0a3d7fb4cd18ef14261eb6896722c0991d8405dd 100644 (file)
--- a/IkiWiki/Plugin/conditional.pm
+++ b/IkiWiki/Plugin/conditional.pm
@@ -3,42 +3,49 @@ package IkiWiki::Plugin::conditional;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
-use UNIVERSAL;
+use IkiWiki 3.00;
 
-sub import { #{{{
+sub import {
+       hook(type => "getsetup", id => "conditional", call => \&getsetup);
        hook(type => "preprocess", id => "if", call => \&preprocess_if);
-} # }}}
+}
 
-sub preprocess_if (@) { #{{{
+sub getsetup {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+                       section => "widget",
+               },
+}
+
+sub preprocess_if (@) {
        my %params=@_;
 
-       if (! exists $params{test} || ! exists $params{then}) {
-               return "[[if ".gettext('"test" and "then" parameters are required')."]]";
+       foreach my $param (qw{test then}) {
+               if (! exists $params{$param}) {
+                       error sprintf(gettext('%s parameter is required'), $param);
+               }
        }
 
        my $result=0;
-       # An optimisation to avoid needless looping over every page
-       # and adding of dependencies for simple uses of some of the
-       # tests.
-       if ($params{test} =~ /^(enabled|sourcepage|destpage)\((.*)\)$/) {
+       if ((exists $params{all} && ! IkiWiki::yesno($params{all})) ||
+           # An optimisation to avoid needless looping over every page
+           # for simple uses of some of the tests.
+           $params{test} =~ /^([\s\!()]*((enabled|sourcepage|destpage|included)\([^)]*\)|(and|or))[\s\!()]*)+$/) {
+               add_depends($params{page}, "($params{test}) and $params{page}");
                $result=pagespec_match($params{page}, $params{test},
                                location => $params{page},
                                sourcepage => $params{page},
                                destpage => $params{destpage});
        }
        else {
-               add_depends($params{page}, $params{test});
-
-               foreach my $page (keys %pagesources) {
-                       if (pagespec_match($page, $params{test}, 
-                                       location => $params{page},
-                                       sourcepage => $params{page},
-                                       destpage => $params{destpage})) {
-                               $result=1;
-                               last;
-                       }
-               }
+               $result=pagespec_match_list($params{page}, $params{test},
+                       # stop after first match
+                       num => 1,
+                       sourcepage => $params{page},
+                       destpage => $params{destpage},
+               );
        }
 
        my $ret;
@@ -51,45 +58,68 @@ sub preprocess_if (@) { #{{{
        else {
                $ret="";
        }
-       return IkiWiki::preprocess($params{page}, $params{destpage}, 
-               IkiWiki::filter($params{page}, $ret));
-} # }}}
+       return IkiWiki::preprocess($params{page}, $params{destpage}, $ret);
+}
 
 package IkiWiki::PageSpec;
 
-sub match_enabled ($$;@) { #{{{
+sub match_enabled ($$;@) {
        shift;
        my $plugin=shift;
        
        # test if the plugin is enabled
-       return UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import");
-} #}}}
+       if (UNIVERSAL::can("IkiWiki::Plugin::".$plugin, "import")) {
+               return IkiWiki::SuccessReason->new("$plugin is enabled");
+       }
+       else {
+               return IkiWiki::FailReason->new("$plugin is not enabled");
+       }
+}
 
-sub match_sourcepage ($$;@) { #{{{
+sub match_sourcepage ($$;@) {
        shift;
        my $glob=shift;
        my %params=@_;
+       
+       $glob=derel($glob, $params{location});
 
-       return unless exists $params{sourcepage};
-       return match_glob($params{sourcepage}, $glob, @_);
-} #}}}
+       return IkiWiki::FailReason->new("cannot match sourcepage") unless exists $params{sourcepage};
+       if (match_glob($params{sourcepage}, $glob, @_)) {
+               return IkiWiki::SuccessReason->new("sourcepage matches $glob");
+       }
+       else {
+               return IkiWiki::FailReason->new("sourcepage does not match $glob");
+       }
+}
 
-sub match_destpage ($$;@) { #{{{
+sub match_destpage ($$;@) {
        shift;
        my $glob=shift;
        my %params=@_;
        
-       return unless exists $params{destpage};
-       return match_glob($params{destpage}, $glob, @_);
-} #}}}
+       $glob=derel($glob, $params{location});
+
+       return IkiWiki::FailReason->new("cannot match destpage") unless exists $params{destpage};
+       if (match_glob($params{destpage}, $glob, @_)) {
+               return IkiWiki::SuccessReason->new("destpage matches $glob");
+       }
+       else {
+               return IkiWiki::FailReason->new("destpage does not match $glob");
+       }
+}
 
-sub match_included ($$;$) { #{{{
+sub match_included ($$;@) {
        shift;
        shift;
        my %params=@_;
 
-       return unless exists $params{sourcepage} && exists $params{destpage};
-       return $params{sourcepage} ne $params{destpage};
-} #}}}
+       return IkiWiki::FailReason->new("cannot match included") unless exists $params{sourcepage} && exists $params{destpage};
+       if ($params{sourcepage} ne $params{destpage}) {
+               return IkiWiki::SuccessReason->new("page $params{sourcepage} is included");
+       }
+       else {
+               return IkiWiki::FailReason->new("page $params{sourcepage} is not included");
+       }
+}
 
 1