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#!/usr/bin/perl
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package IkiWiki::Plugin::cutpaste;
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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 UNIVERSAL;
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my %savedtext;
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sub import { #{{{
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hook(type => "preprocess", id => "cut", call => \&preprocess_cut, scan => 1);
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hook(type => "preprocess", id => "copy", call => \&preprocess_copy, scan => 1);
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hook(type => "preprocess", id => "paste", call => \&preprocess_paste);
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} # }}}
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sub preprocess_cut (@) { #{{{
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my %params=@_;
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foreach my $param (qw{id text}) {
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if (! exists $params{$param}) {
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return "[[cut ".sprintf(gettext('%s parameter is required'), $param)."]]";
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}
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}
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$savedtext{$params{page}} = {} if not exists $savedtext{$params{"page"}};
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$savedtext{$params{page}}->{$params{id}} = $params{text};
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return "" if defined wantarray;
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} # }}}
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sub preprocess_copy (@) { #{{{
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my %params=@_;
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foreach my $param (qw{id text}) {
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if (! exists $params{$param}) {
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return "[[copy ".sprintf(gettext('%s parameter is required'), $param)."]]";
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}
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}
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$savedtext{$params{page}} = {} if not exists $savedtext{$params{"page"}};
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$savedtext{$params{page}}->{$params{id}} = $params{text};
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return IkiWiki::preprocess($params{page}, $params{destpage},
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IkiWiki::filter($params{page}, $params{destpage}, $params{text})) if defined wantarray;
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} # }}}
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sub preprocess_paste (@) { #{{{
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my %params=@_;
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foreach my $param (qw{id}) {
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if (! exists $params{$param}) {
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return "[[paste ".sprintf(gettext('%s parameter is required'), $param)."]]";
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}
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}
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if (! exists $savedtext{$params{page}}) {
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return "[[paste ".gettext('no text was copied in this page')."]]";
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}
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if (! exists $savedtext{$params{page}}->{$params{id}}) {
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return "[[paste ".sprintf(gettext('no text was copied in this page with id %s'), $params{id})."]]";
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}
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return IkiWiki::preprocess($params{page}, $params{destpage},
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IkiWiki::filter($params{page}, $params{destpage}, $savedtext{$params{page}}->{$params{id}}));
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} # }}}
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1;
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@ -0,0 +1,55 @@
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[[!template id=plugin name=toggle author="[[Enrico]]"]]
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[[!tag type/chrome]]
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With this plugin you can store and recall pieces of text. It defines three
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preprocessing commands:
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* `\[[!cut id=name text="text"]]` memorizes the text allowing to recall it
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using the given ID. The text being cut is not included in the output.
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* `\[[!copy id=name text="text"]]` memorizes the text allowing to recall it
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using the given ID. The text being cut *is* included in the output.
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* `\[[!paste id=name]]` is replaced by the previously memorized text.
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The text being cut, copied and pasted can freely include wiki markup, including
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more calls to cut, copy and paste.
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You do not need to memorize the text before using it: a cut directive can
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follow the paste directive that uses its text. In fact, this is quite useful
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to postpone big blocks of text like long annotations and have a more natural
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flow. For example:
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This plugin provides three directives:
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* \[[!toggle id="cut" text="cut"]] that cuts text
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* \[[!toggle id="copy" text="copy"]] that copies text
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* \[[!toggle id="paste" text="paste"]] that pastes text
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\[[!toggleable id="cut" text="\[[!paste id=cutlongdesc]]"]]
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\[[!toggleable id="copy" text="\[[!paste id=copylongdesc]]"]]
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\[[!toggleable id="paste" text="\[[!paste id=pastelongdesc]]"]]
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\[...some time later...]
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\[[!cut id=cutlongdesc text="""
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blah blah blah
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"""]]
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\[[!cut id=copylongdesc text="""
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blah blah blah
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"""]]
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\[[!cut id=pastelongdesc text="""
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blah blah blah
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"""]]
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This can potentially be used to create loops, but ikiwiki is clever and breaks
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them.
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Since you can paste without using double quotes, copy and paste can be used to
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nest directive that require multiline parameters inside each other:
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\[[!toggleable id=foo text="""
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\[[!toggleable id=bar text="\[[!paste id=baz]]"]]
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"""]]
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[[!cut id=baz text="""
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multiline parameter!
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"""]]
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