#!/usr/bin/perl
# .po as a wiki page type
+# Licensed under GPL v2 or greater
+# Copyright (C) 2008 intrigeri <intrigeri@boum.org>
# inspired by the GPL'd po4a-translate,
# which is Copyright 2002, 2003, 2004 by Martin Quinson (mquinson#debian.org)
package IkiWiki::Plugin::po;
use File::Spec;
use File::Temp;
use Memoize;
+use UNIVERSAL;
my %translations;
+my @origneedsbuild;
our %filtered;
-## FIXME: makes some test cases cry once every two tries; this may be
-## related to the artificial way the testsuite is run, or not.
-# memoize("istranslatable");
memoize("_istranslation");
memoize("percenttranslated");
+# FIXME: memoizing istranslatable() makes some test cases fail once every
+# two tries; this may be related to the artificial way the testsuite is
+# run, or not.
+# memoize("istranslatable");
# backup references to subs that will be overriden
my %origsubs;
-$origsubs{'bestlink'}=\&IkiWiki::bestlink;
-$origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
-$origsubs{'targetpage'}=\&IkiWiki::targetpage;
-sub import {
+sub import { #{{{
hook(type => "getsetup", id => "po", call => \&getsetup);
hook(type => "checkconfig", id => "po", call => \&checkconfig);
hook(type => "needsbuild", id => "po", call => \&needsbuild);
+ hook(type => "scan", id => "po", call => \&scan, last =>1);
hook(type => "filter", id => "po", call => \&filter);
hook(type => "htmlize", id => "po", call => \&htmlize);
- hook(type => "pagetemplate", id => "po", call => \&pagetemplate);
+ hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
+ hook(type => "change", id => "po", call => \&change);
+ hook(type => "editcontent", id => "po", call => \&editcontent);
+
+ $origsubs{'bestlink'}=\&IkiWiki::bestlink;
inject(name => "IkiWiki::bestlink", call => \&mybestlink);
+ $origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
+ $origsubs{'targetpage'}=\&IkiWiki::targetpage;
inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
-}
+ $origsubs{'urlto'}=\&IkiWiki::urlto;
+ inject(name => "IkiWiki::urlto", call => \&myurlto);
+} #}}}
sub getsetup () { #{{{
return
'name' => 'English'
},
description => "master language (non-PO files)",
- safe => 0,
+ safe => 1,
rebuild => 1,
},
po_slave_languages => {
'de' => 'Deutsch'
},
description => "slave languages (PO files)",
- safe => 0,
+ safe => 1,
rebuild => 1,
},
po_translatable_pages => {
example => "!*/Discussion",
description => "PageSpec controlling which pages are translatable",
link => "ikiwiki/PageSpec",
- safe => 0,
+ safe => 1,
rebuild => 1,
},
po_link_to => {
type => "string",
example => "current",
description => "internal linking behavior (default/current/negotiated)",
- safe => 0,
+ safe => 1,
rebuild => 1,
},
} #}}}
+sub islanguagecode ($) { #{{{
+ my $code=shift;
+ return ($code =~ /^[a-z]{2}$/);
+} #}}}
+
sub checkconfig () { #{{{
foreach my $field (qw{po_master_language po_slave_languages}) {
if (! exists $config{$field} || ! defined $config{$field}) {
error(sprintf(gettext("Must specify %s"), $field));
}
}
- if (! exists $config{po_link_to} ||
- ! defined $config{po_link_to}) {
- $config{po_link_to}="default";
+ if (! (keys %{$config{po_slave_languages}})) {
+ error(gettext("At least one slave language must be defined in po_slave_languages"));
}
+ map {
+ islanguagecode($_)
+ or error(sprintf(gettext("%s is not a valid language code"), $_));
+ } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});
if (! exists $config{po_translatable_pages} ||
! defined $config{po_translatable_pages}) {
- $config{po_translatable_pages}="";
+ $config{po_translatable_pages}="";
+ }
+ if (! exists $config{po_link_to} ||
+ ! defined $config{po_link_to}) {
+ $config{po_link_to}='default';
}
- if ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
- error(gettext("po_link_to=negotiated requires usedirs to be set"));
+ elsif (! grep {
+ $config{po_link_to} eq $_
+ } ('default', 'current', 'negotiated')) {
+ warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
+ $config{po_link_to}));
+ $config{po_link_to}='default';
+ }
+ elsif ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
+ warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
+ $config{po_link_to}='default';
}
push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
} #}}}
sub potfile ($) { #{{{
my $masterfile=shift;
+
(my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
- return File::Spec->catfile($dir, $name . ".pot");
+ $dir='' if $dir eq './';
+ return File::Spec->catpath('', $dir, $name . ".pot");
} #}}}
sub pofile ($$) { #{{{
my $masterfile=shift;
my $lang=shift;
+
(my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
- return File::Spec->catfile($dir, $name . "." . $lang . ".po");
+ $dir='' if $dir eq './';
+ return File::Spec->catpath('', $dir, $name . "." . $lang . ".po");
+} #}}}
+
+sub pofiles ($) { #{{{
+ my $masterfile=shift;
+ return map pofile($masterfile, $_), (keys %{$config{po_slave_languages}});
} #}}}
sub refreshpot ($) { #{{{
my $masterfile=shift;
+
my $potfile=potfile($masterfile);
my %options = ("markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0);
my $doc=Locale::Po4a::Chooser::new('text',%options);
- $doc->read($masterfile);
$doc->{TT}{utf_mode} = 1;
$doc->{TT}{file_in_charset} = 'utf-8';
$doc->{TT}{file_out_charset} = 'utf-8';
+ $doc->read($masterfile);
# let's cheat a bit to force porefs option to be passed to Locale::Po4a::Po;
# this is undocument use of internal Locale::Po4a::TransTractor's data,
# compulsory since this module prevents us from using the porefs option.
$doc->{TT}{po_out}->set_charset('utf-8');
# do the actual work
$doc->parse;
+ IkiWiki::prep_writefile(basename($potfile),dirname($potfile));
$doc->writepo($potfile);
} #}}}
error("[po/refreshpofiles] POT file ($potfile) does not exist") unless (-e $potfile);
foreach my $pofile (@pofiles) {
+ IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
if (-e $pofile) {
- my $cmd = "msgmerge -U --backup=none $pofile $potfile";
- system ($cmd) == 0
+ system("msgmerge", "-U", "--backup=none", $pofile, $potfile) == 0
or error("[po/refreshpofiles:$pofile] failed to update");
}
else {
sub needsbuild () { #{{{
my $needsbuild=shift;
+ # backup @needsbuild content so that change() can know whether
+ # a given master page was rendered because its source file was changed
+ @origneedsbuild=(@$needsbuild);
+
# build %translations, using istranslation's side-effect
- foreach my $page (keys %pagesources) {
- istranslation($page);
- }
+ map istranslation($_), (keys %pagesources);
- # refresh/create POT and PO files as needed
- my $updated_po_files=0;
- foreach my $page (keys %pagesources) {
- my $pageneedsbuild = grep { $_ eq $pagesources{$page} } @$needsbuild;
- if (istranslatable($page)) {
- my $file=srcfile($pagesources{$page});
- if ($pageneedsbuild || ! -e potfile($file)) {
- refreshpot($file);
- }
- my @pofiles;
- foreach my $lang (keys %{$config{po_slave_languages}}) {
- my $pofile=pofile($file, $lang);
- if ($pageneedsbuild || ! -e $pofile) {
- push @pofiles, $pofile;
- }
- }
- if (@pofiles) {
- refreshpofiles($file, @pofiles) ;
- map { IkiWiki::rcs_add($_); } @pofiles if ($config{rcs});
- $updated_po_files = 1;
- }
+ # make existing translations depend on the corresponding master page
+ foreach my $master (keys %translations) {
+ foreach my $slave (values %{$translations{$master}}) {
+ add_depends($slave, $master);
}
}
+} #}}}
- # check staged changes in and trigger a wiki refresh.
- if ($updated_po_files) {
- if ($config{rcs}) {
- IkiWiki::disable_commit_hook();
- IkiWiki::rcs_commit_staged(gettext("updated PO files"),
- "refreshpofiles", "127.0.0.1");
- IkiWiki::enable_commit_hook();
- IkiWiki::rcs_update();
- }
- IkiWiki::refresh();
- IkiWiki::saveindex();
- # refresh module's private variables
- undef %filtered;
- undef %translations;
- foreach my $page (keys %pagesources) {
- istranslation($page);
- }
- }
+sub scan (@) { #{{{
+ my %params=@_;
+ my $page=$params{page};
+ my $content=$params{content};
+ return unless UNIVERSAL::can("IkiWiki::Plugin::link", "import");
- # make existing translations depend on the corresponding master page
- foreach my $master (keys %translations) {
- foreach my $slave (values %{$translations{$master}}) {
- add_depends($slave, $master);
+ if (istranslation($page)) {
+ my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ foreach my $destpage (@{$links{$page}}) {
+ if (istranslatable($destpage)) {
+ # replace one occurence of $destpage in $links{$page}
+ # (we only want to replace the one that was added by
+ # IkiWiki::Plugin::link::scan, other occurences may be
+ # there for other reasons)
+ for (my $i=0; $i<@{$links{$page}}; $i++) {
+ if (@{$links{$page}}[$i] eq $destpage) {
+ @{$links{$page}}[$i] = $destpage . '.' . $curlang;
+ last;
+ }
+ }
+ }
+ }
+ }
+ elsif (! istranslatable($page) && ! istranslation($page)) {
+ foreach my $destpage (@{$links{$page}}) {
+ if (istranslatable($destpage)) {
+ map {
+ push @{$links{$page}}, $destpage . '.' . $_;
+ } (keys %{$config{po_slave_languages}});
+ }
}
}
} #}}}
sub mybeautify_urlpath ($) { #{{{
my $url=shift;
+
my $res=$origsubs{'beautify_urlpath'}->($url);
if ($config{po_link_to} eq "negotiated") {
- $res =~ s!/index.$config{po_master_language}{code}.$config{htmlext}$!/!;
+ $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
}
return $res;
} #}}}
return $res;
} #}}}
+sub myurlto ($$;$) { #{{{
+ my $to=shift;
+ my $from=shift;
+ my $absolute=shift;
+
+ # workaround hard-coded /index.$config{htmlext} in IkiWiki::urlto()
+ if (! length $to
+ && $config{po_link_to} eq "current"
+ && istranslation($from)
+ && istranslatable('index')) {
+ my ($masterpage, $curlang) = ($from =~ /(.*)[.]([a-z]{2})$/);
+ return IkiWiki::beautify_urlpath(IkiWiki::baseurl($from) . "index." . $curlang . ".$config{htmlext}");
+ }
+ return $origsubs{'urlto'}->($to,$from,$absolute);
+} #}}}
+
sub mybestlink ($$) { #{{{
my $page=shift;
my $link=shift;
+
my $res=$origsubs{'bestlink'}->($page, $link);
if (length $res) {
if ($config{po_link_to} eq "current"
return "";
} #}}}
-# We use filter to convert PO to the master page's type,
-# since other plugins should not work on PO files
+# We use filter to convert PO to the master page's format,
+# since the rest of ikiwiki should not work on PO files.
sub filter (@) { #{{{
my %params = @_;
+
my $page = $params{page};
my $destpage = $params{destpage};
my $content = decode_utf8(encode_utf8($params{content}));
- # decide if this is a PO file that should be converted into a translated document,
- # and perform various sanity checks
- if (! istranslation($page) || $filtered{$page}{$destpage}) {
- return $content;
- }
+ return $content if ( ! istranslation($page)
+ || ( exists $filtered{$page}{$destpage}
+ && $filtered{$page}{$destpage} eq 1 ));
+
+ # CRLF line terminators make poor Locale::Po4a feel bad
+ $content=~s/\r\n/\n/g;
+
+ # Implementation notes
+ #
+ # 1. Locale::Po4a reads/writes from/to files, and I'm too lazy
+ # to learn how to disguise a variable as a file.
+ # 2. There are incompatibilities between some File::Temp versions
+ # (including 0.18, bundled with Lenny's perl-modules package)
+ # and others (e.g. 0.20, previously present in the archive as
+ # a standalone package): under certain circumstances, some
+ # return a relative filename, whereas others return an absolute one;
+ # we here use this module in a way that is at least compatible
+ # with 0.18 and 0.20. Beware, hit'n'run refactorers!
+ my $infile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-in.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+ my $outfile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-out.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+
+ writefile(basename($infile), File::Spec->tmpdir, $content);
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
- my $file=srcfile(exists $params{file} ? $params{file} : $IkiWiki::pagesources{$page});
my $masterfile = srcfile($pagesources{$masterpage});
my (@pos,@masters);
- push @pos,$file;
+ push @pos,$infile;
push @masters,$masterfile;
my %options = (
- "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
- );
+ "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+ );
my $doc=Locale::Po4a::Chooser::new('text',%options);
$doc->process(
'po_in_name' => \@pos,
'file_in_name' => \@masters,
'file_in_charset' => 'utf-8',
'file_out_charset' => 'utf-8',
- ) or error("[po/filter:$file]: failed to translate");
- my $tmpfh = File::Temp->new(TEMPLATE => "/tmp/ikiwiki-po-filter-out.XXXXXXXXXX");
- my $tmpout = $tmpfh->filename;
- $doc->write($tmpout) or error("[po/filter:$file] could not write $tmpout");
- $content = readfile($tmpout) or error("[po/filter:$file] could not read $tmpout");
+ ) or error("[po/filter:$infile]: failed to translate");
+ $doc->write($outfile) or error("[po/filter:$infile] could not write $outfile");
+ $content = readfile($outfile) or error("[po/filter:$infile] could not read $outfile");
+
+ # Unlinking should happen automatically, thanks to File::Temp,
+ # but it does not work here, probably because of the way writefile()
+ # and Locale::Po4a::write() work.
+ unlink $infile, $outfile;
+
$filtered{$page}{$destpage}=1;
return $content;
} #}}}
sub htmlize (@) { #{{{
my %params=@_;
+
my $page = $params{page};
my $content = $params{content};
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
sub percenttranslated ($) { #{{{
my $page=shift;
- return "N/A" unless (istranslation($page));
+
+ return gettext("N/A") unless (istranslation($page));
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
my $file=srcfile($pagesources{$page});
my $masterfile = srcfile($pagesources{$masterpage});
push @pos,$file;
push @masters,$masterfile;
my %options = (
- "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
- );
+ "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+ );
my $doc=Locale::Po4a::Chooser::new('text',%options);
$doc->process(
'po_in_name' => \@pos,
sub otherlanguages ($) { #{{{
my $page=shift;
+
my @ret;
if (istranslatable($page)) {
foreach my $lang (sort keys %{$translations{$page}}) {
sub pagetemplate (@) { #{{{
my %params=@_;
- my $page=$params{page};
- my $destpage=$params{destpage};
- my $template=$params{template};
+ my $page=$params{page};
+ my $destpage=$params{destpage};
+ my $template=$params{template};
+
+ my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/) if istranslation($page);
if (istranslation($page) && $template->query(name => "percenttranslated")) {
$template->param(percenttranslated => percenttranslated($page));
}
}
elsif (istranslation($page)) {
- my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
add_depends($page, $masterpage);
foreach my $translation (values %{$translations{$masterpage}}) {
- add_depends($page, $translation);
+ add_depends($page, $translation) unless $page eq $translation;
}
}
}
# prevent future breakage when ikiwiki internals change.
# Known limitations are preferred to future random bugs.
if ($template->param('discussionlink') && istranslation($page)) {
- my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
$template->param('discussionlink' => htmllink(
$page,
$destpage,
linktext => gettext("Discussion"),
));
}
+ # Remove broken parentlink to ./index.html on home page's translations.
+ # It works because this hook has the "last" parameter set, to ensure it
+ # runs after parentlinks' own pagetemplate hook.
+ if ($template->param('parentlinks')
+ && istranslation($page)
+ && $masterpage eq "index") {
+ $template->param('parentlinks' => []);
+ }
} # }}}
+sub change(@) { #{{{
+ my @rendered=@_;
+
+ my $updated_po_files=0;
+
+ # Refresh/create POT and PO files as needed.
+ foreach my $page (map pagename($_), @rendered) {
+ next unless istranslatable($page);
+ my $file=srcfile($pagesources{$page});
+ my $updated_pot_file=0;
+ # Only refresh Pot file if it does not exist, or if
+ # $pagesources{$page} was changed: don't if only the HTML was
+ # refreshed, e.g. because of a dependency.
+ if ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
+ || ! -e potfile($file)) {
+ refreshpot($file);
+ $updated_pot_file=1;
+ }
+ my @pofiles;
+ foreach my $lang (keys %{$config{po_slave_languages}}) {
+ my $pofile=pofile($file, $lang);
+ if ($updated_pot_file || ! -e $pofile) {
+ push @pofiles, $pofile;
+ }
+ }
+ if (@pofiles) {
+ refreshpofiles($file, @pofiles);
+ map { IkiWiki::rcs_add($_); } @pofiles if ($config{rcs});
+ $updated_po_files=1;
+ }
+ }
+
+ if ($updated_po_files) {
+ # Check staged changes in.
+ if ($config{rcs}) {
+ IkiWiki::disable_commit_hook();
+ IkiWiki::rcs_commit_staged(gettext("updated PO files"),
+ "IkiWiki::Plugin::po::change", "127.0.0.1");
+ IkiWiki::enable_commit_hook();
+ IkiWiki::rcs_update();
+ }
+ # Reinitialize module's private variables.
+ undef %filtered;
+ undef %translations;
+ # Trigger a wiki refresh.
+ require IkiWiki::Render;
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
+ }
+} #}}}
+
+sub editcontent () { #{{{
+ my %params=@_;
+ # as we're previewing or saving a page, the content may have
+ # changed, so tell the next filter() invocation it must not be lazy
+ if (exists $filtered{$params{page}}{$params{page}}) {
+ delete $filtered{$params{page}}{$params{page}};
+ }
+ return $params{content};
+} #}}}
+
sub istranslatable ($) { #{{{
my $page=shift;
+
my $file=$pagesources{$page};
if (! defined $file
sub _istranslation ($) { #{{{
my $page=shift;
+
my $file=$pagesources{$page};
if (! defined $file) {
return IkiWiki::FailReason->new("no file specified");
sub istranslation ($) { #{{{
my $page=shift;
+
if (_istranslation($page)) {
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
$translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
sub match_istranslation ($;@) { #{{{
my $page=shift;
+
if (IkiWiki::Plugin::po::istranslation($page)) {
return IkiWiki::SuccessReason->new("is a translation page");
}
sub match_istranslatable ($;@) { #{{{
my $page=shift;
+
if (IkiWiki::Plugin::po::istranslatable($page)) {
return IkiWiki::SuccessReason->new("is set as translatable in po_translatable_pages");
}
sub match_lang ($$;@) { #{{{
my $page=shift;
my $wanted=shift;
+
my $regexp=IkiWiki::glob2re($wanted);
my $lang;
my $masterpage;
sub match_currentlang ($$;@) { #{{{
my $page=shift;
+
shift;
my %params=@_;
my ($currentmasterpage, $currentlang, $masterpage, $lang);