cutpaste: Fix bug that occured in some cases involving inlines when text was pasted on a page before being cut.
parent
0e89f374a6
commit
884835ce1c
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@ -5,10 +5,9 @@ use warnings;
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use strict;
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use strict;
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use IkiWiki 3.00;
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use IkiWiki 3.00;
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my %savedtext;
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sub import {
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sub import {
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hook(type => "getsetup", id => "cutpaste", call => \&getsetup);
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hook(type => "getsetup", id => "cutpaste", call => \&getsetup);
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hook(type => "needsbuild", id => "cutpaste", call => \&needsbuild);
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hook(type => "preprocess", id => "cut", call => \&preprocess_cut, scan => 1);
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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 => "copy", call => \&preprocess_copy, scan => 1);
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hook(type => "preprocess", id => "paste", call => \&preprocess_paste);
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hook(type => "preprocess", id => "paste", call => \&preprocess_paste);
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@ -23,6 +22,22 @@ sub getsetup () {
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},
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},
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}
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}
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sub needsbuild (@) {
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my $needsbuild=shift;
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foreach my $page (keys %pagestate) {
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if (exists $pagestate{$page}{cutpaste}) {
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if (exists $pagesources{$page} &&
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grep { $_ eq $pagesources{$page} } @$needsbuild) {
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# remove state, will be re-added if
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# the cut/copy directive is still present
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# on rebuild.
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delete $pagestate{$page}{cutpaste};
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}
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}
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}
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return $needsbuild;
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}
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sub preprocess_cut (@) {
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sub preprocess_cut (@) {
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my %params=@_;
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my %params=@_;
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@ -32,8 +47,7 @@ sub preprocess_cut (@) {
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}
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}
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}
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}
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$savedtext{$params{page}} = {} if not exists $savedtext{$params{"page"}};
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$pagestate{$params{page}}{cutpaste}{$params{id}} = $params{text};
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$savedtext{$params{page}}->{$params{id}} = $params{text};
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return "" if defined wantarray;
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return "" if defined wantarray;
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}
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}
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@ -47,8 +61,7 @@ sub preprocess_copy (@) {
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}
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}
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}
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}
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$savedtext{$params{page}} = {} if not exists $savedtext{$params{"page"}};
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$pagestate{$params{page}}{cutpaste}{$params{id}} = $params{text};
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$savedtext{$params{page}}->{$params{id}} = $params{text};
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return IkiWiki::preprocess($params{page}, $params{destpage}, $params{text})
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return IkiWiki::preprocess($params{page}, $params{destpage}, $params{text})
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if defined wantarray;
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if defined wantarray;
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@ -63,15 +76,15 @@ sub preprocess_paste (@) {
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}
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}
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}
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}
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if (! exists $savedtext{$params{page}}) {
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if (! exists $pagestate{$params{page}}{cutpaste}) {
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error gettext('no text was copied in this page');
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error gettext('no text was copied in this page');
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}
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}
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if (! exists $savedtext{$params{page}}->{$params{id}}) {
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if (! exists $pagestate{$params{page}}{cutpaste}{$params{id}}) {
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error sprintf(gettext('no text was copied in this page with id %s'), $params{id});
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error sprintf(gettext('no text was copied in this page with id %s'), $params{id});
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}
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}
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return IkiWiki::preprocess($params{page}, $params{destpage},
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return IkiWiki::preprocess($params{page}, $params{destpage},
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$savedtext{$params{page}}->{$params{id}});
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$pagestate{$params{page}}{cutpaste}{$params{id}});
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}
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}
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1;
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1;
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@ -24,6 +24,8 @@ ikiwiki (3.20100832) UNRELEASED; urgency=low
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of the rst plugin.
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of the rst plugin.
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* git: When updating from remote, use git pull --prune, to avoid possible
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* git: When updating from remote, use git pull --prune, to avoid possible
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errors from conflicting obsolete remote branches.
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errors from conflicting obsolete remote branches.
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* cutpaste: Fix bug that occured in some cases involving inlines when
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text was pasted on a page before being cut.
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-- Joey Hess <joeyh@debian.org> Tue, 07 Sep 2010 12:08:05 -0400
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-- Joey Hess <joeyh@debian.org> Tue, 07 Sep 2010 12:08:05 -0400
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@ -24,3 +24,23 @@ This error shows up only for *news.html*, but not in *news/2010-07-31* or for
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the aggregation in *index.html* or its RSS and atom files.
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the aggregation in *index.html* or its RSS and atom files.
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--[[tschwinge]]
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--[[tschwinge]]
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> So the cutpaste plugin, in order to support pastes
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> that come before the corresponding cut in the page,
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> relies on the scan hook being called for the page
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> before it is preprocessed.
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>
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> In the case of an inline, this doesn't happen, if
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> the page in question has not changed.
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>
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> Really though it's not just inline, it's potentially anything
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> that preprocesses content. None of those things guarantee that
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> scan gets re-run on it first.
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>
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> I think cutpaste is going beyond the intended use of scan hooks,
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> which is to gather link information, not do arbitrary data collection.
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> Requiring scan be run repeatedly could be a lot more work.
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>
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> Using `%pagestate` to store the cut content when scanning would be
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> one way to fix this bug. It would mean storing potentially big chunks
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> of page content in the indexdb. --[[Joey]]
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