ikiwiki/IkiWiki/Plugin/po.pm

1369 lines
37 KiB
Perl

#!/usr/bin/perl
# .po as a wiki page type
# Licensed under GPL v2 or greater
# Copyright (C) 2008-2009 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 warnings;
use strict;
use IkiWiki 3.00;
use Encode;
eval q{use Locale::Po4a::Common qw(nowrapi18n !/.*/)};
if ($@) {
print STDERR gettext("warning: Old po4a detected! Recommend upgrade to 0.35.")."\n";
eval q{use Locale::Po4a::Common qw(!/.*/)};
die $@ if $@;
}
use Locale::Po4a::Chooser;
use Locale::Po4a::Po;
use File::Basename;
use File::Copy;
use File::Spec;
use File::Temp;
use Memoize;
use UNIVERSAL;
my ($master_language_code, $master_language_name);
my %translations;
my @origneedsbuild;
my %origsubs;
my @slavelanguages; # language codes ordered as in config po_slave_languages
my %slavelanguages; # language code to name lookup
memoize("istranslatable");
memoize("_istranslation");
memoize("percenttranslated");
sub import {
hook(type => "getsetup", id => "po", call => \&getsetup);
hook(type => "checkconfig", id => "po", call => \&checkconfig,
last => 1);
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, last => 1);
hook(type => "rename", id => "po", call => \&renamepages, first => 1);
hook(type => "delete", id => "po", call => \&mydelete);
hook(type => "change", id => "po", call => \&change);
hook(type => "checkcontent", id => "po", call => \&checkcontent);
hook(type => "canremove", id => "po", call => \&canremove);
hook(type => "canrename", id => "po", call => \&canrename);
hook(type => "editcontent", id => "po", call => \&editcontent);
hook(type => "formbuilder_setup", id => "po", call => \&formbuilder_setup, last => 1);
hook(type => "formbuilder", id => "po", call => \&formbuilder);
if (! %origsubs) {
$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);
$origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
if (IkiWiki->can('rootpage')) {
$origsubs{'rootpage'}=\&IkiWiki::rootpage;
inject(name => "IkiWiki::rootpage", call => \&myrootpage)
if defined $origsubs{'rootpage'};
}
$origsubs{'isselflink'}=\&IkiWiki::isselflink;
inject(name => "IkiWiki::isselflink", call => \&myisselflink);
}
}
# ,----
# | Table of contents
# `----
# 1. Hooks
# 2. Injected functions
# 3. Blackboxes for private data
# 4. Helper functions
# 5. PageSpecs
# ,----
# | Hooks
# `----
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => 1, # format plugin
section => "format",
},
po_master_language => {
type => "string",
example => "en|English",
description => "master language (non-PO files)",
safe => 1,
rebuild => 1,
},
po_slave_languages => {
type => "string",
example => [
'fr|Français',
'es|Español',
'de|Deutsch'
],
description => "slave languages (translated via PO files) format: ll|Langname",
safe => 1,
rebuild => 1,
},
po_translatable_pages => {
type => "pagespec",
example => "* and !*/Discussion",
description => "PageSpec controlling which pages are translatable",
link => "ikiwiki/PageSpec",
safe => 1,
rebuild => 1,
},
po_link_to => {
type => "string",
example => "current",
description => "internal linking behavior (default/current/negotiated)",
safe => 1,
rebuild => 1,
},
}
sub checkconfig () {
if (exists $config{po_master_language}) {
if (! ref $config{po_master_language}) {
($master_language_code, $master_language_name)=
splitlangpair($config{po_master_language});
}
else {
$master_language_code=$config{po_master_language}{code};
$master_language_name=$config{po_master_language}{name};
$config{po_master_language}=joinlangpair($master_language_code, $master_language_name);
}
}
if (! defined $master_language_code) {
$master_language_code='en';
}
if (! defined $master_language_name) {
$master_language_name='English';
}
if (ref $config{po_slave_languages} eq 'ARRAY') {
foreach my $pair (@{$config{po_slave_languages}}) {
my ($code, $name)=splitlangpair($pair);
if (defined $code && ! exists $slavelanguages{$code}) {
push @slavelanguages, $code;
$slavelanguages{$code} = $name;
}
}
}
elsif (ref $config{po_slave_languages} eq 'HASH') {
%slavelanguages=%{$config{po_slave_languages}};
@slavelanguages = sort {
$config{po_slave_languages}->{$a} cmp $config{po_slave_languages}->{$b};
} keys %slavelanguages;
$config{po_slave_languages}=[
map { joinlangpair($_, $slavelanguages{$_}) } @slavelanguages
]
}
delete $slavelanguages{$master_language_code};
map {
islanguagecode($_)
or error(sprintf(gettext("%s is not a valid language code"), $_));
} ($master_language_code, @slavelanguages);
if (! exists $config{po_translatable_pages} ||
! defined $config{po_translatable_pages}) {
$config{po_translatable_pages}="";
}
if (! exists $config{po_link_to} ||
! defined $config{po_link_to}) {
$config{po_link_to}='default';
}
elsif ($config{po_link_to} !~ /^(default|current|negotiated)$/) {
warn(sprintf(gettext('%s is not a valid value for po_link_to, 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$/;
# Translated versions of the underlays are added if available.
foreach my $underlay ("basewiki",
map { m/^\Q$config{underlaydirbase}\E\/*(.*)/ }
reverse @{$config{underlaydirs}}) {
next if $underlay=~/^locale\//;
# Underlays containing the po files for slave languages.
foreach my $ll (@slavelanguages) {
add_underlay("po/$ll/$underlay")
if -d "$config{underlaydirbase}/po/$ll/$underlay";
}
if ($master_language_code ne 'en') {
# Add underlay containing translated source files
# for the master language.
add_underlay("locale/$master_language_code/$underlay")
if -d "$config{underlaydirbase}/locale/$master_language_code/$underlay";
}
}
}
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);
flushmemoizecache();
buildtranslationscache();
# make existing translations depend on the corresponding master page
foreach my $master (keys %translations) {
map add_depends($_, $master), values %{otherlanguages_pages($master)};
}
return $needsbuild;
}
sub scan (@) {
my %params=@_;
my $page=$params{page};
my $content=$params{content};
my $run_by_po=$params{run_by_po};
# Massage the recorded state of internal links so that:
# - it matches the actually generated links, rather than the links as
# written in the pages' source
# - backlinks are consistent in all cases
# A second scan pass is made over translation pages, so as an
# optimization, we only do so on the second pass in this case,
# i.e. when this hook is called by itself.
if ($run_by_po && istranslation($page)) {
# replace the occurence of $destpage in $links{$page}
my @orig_links = @{$links{$page}};
$links{$page} = [];
foreach my $destpage (@orig_links) {
if (istranslatedto($destpage, lang($page))) {
add_link($page, $destpage . '.' . lang($page));
}
else {
add_link($page, $destpage);
}
}
}
# No second scan pass is done for a non-translation page, so
# links massaging must happen on first pass in this case.
elsif (! $run_by_po && ! istranslatable($page) && ! istranslation($page)) {
foreach my $destpage (@{$links{$page}}) {
if (istranslatable($destpage)) {
# make sure any destpage's translations has
# $page in its backlinks
foreach my $link (values %{otherlanguages_pages($destpage)}) {
add_link($page, $link);
}
}
}
}
# Re-run the preprocess hooks in scan mode, then the scan hooks,
# over the po-to-markup converted content
return if $run_by_po; # avoid looping endlessly
return unless istranslation($page);
$content = po_to_markup($page, $content);
require IkiWiki;
IkiWiki::preprocess($page, $page, $content, 1);
IkiWiki::run_hooks(scan => sub {
shift->(
page => $page,
content => $content,
run_by_po => 1,
);
});
}
# 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 = $params{content};
if (istranslation($page) && ! alreadyfiltered($page, $destpage)) {
$content = po_to_markup($page, $content);
setalreadyfiltered($page, $destpage);
}
return $content;
}
sub htmlize (@) {
my %params=@_;
my $page = $params{page};
my $content = $params{content};
# ignore PO files this plugin did not create
return $content unless istranslation($page);
# force content to be htmlize'd as if it was the same type as the master page
return IkiWiki::htmlize($page, $page,
pagetype(srcfile($pagesources{masterpage($page)})),
$content);
}
sub pagetemplate (@) {
my %params=@_;
my $page=$params{page};
my $destpage=$params{destpage};
my $template=$params{template};
my ($masterpage, $lang) = istranslation($page);
if (istranslation($page) && $template->query(name => "percenttranslated")) {
$template->param(percenttranslated => percenttranslated($page));
}
if ($template->query(name => "istranslation")) {
$template->param(istranslation => scalar istranslation($page));
}
if ($template->query(name => "istranslatable")) {
$template->param(istranslatable => istranslatable($page));
}
if ($template->query(name => "HOMEPAGEURL")) {
$template->param(homepageurl => homepageurl($page));
}
if ($template->query(name => "otherlanguages")) {
$template->param(otherlanguages => [otherlanguagesloop($page)]);
map add_depends($page, $_), (values %{otherlanguages_pages($page)});
}
if ($config{discussion} && istranslation($page)) {
if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
(length $config{cgiurl} ||
exists $links{$masterpage."/".lc($config{discussionpage})})) {
$template->param('discussionlink' => htmllink(
$page,
$destpage,
$masterpage . '/' . $config{discussionpage},
noimageinline => 1,
forcesubpage => 0,
linktext => $config{discussionpage},
));
}
}
# Remove broken parentlink to ./index.html on home page's translations.
# It works because this hook has the "last" parameter set, to ensure it
# runs after parentlinks' own pagetemplate hook.
if ($template->param('parentlinks')
&& istranslation($page)
&& $masterpage eq "index") {
$template->param('parentlinks' => []);
}
if (ishomepage($page) && $template->query(name => "title")
&& !$template->param("title_overridden")) {
$template->param(title => $config{wikiname});
}
}
# Add the renamed page translations to the list of to-be-renamed pages.
sub renamepages (@) {
my %params = @_;
my %torename = %{$params{torename}};
my $session = $params{session};
# Save the page(s) the user asked to rename, so that our
# canrename hook can tell the difference between:
# - a translation being renamed as a consequence of its master page
# being renamed
# - a user trying to directly rename a translation
# This is why this hook has to be run first, before the list of pages
# to rename is modified by other plugins.
my @orig_torename;
@orig_torename=@{$session->param("po_orig_torename")}
if defined $session->param("po_orig_torename");
push @orig_torename, $torename{src};
$session->param(po_orig_torename => \@orig_torename);
IkiWiki::cgi_savesession($session);
return () unless istranslatable($torename{src});
my @ret;
my %otherpages=%{otherlanguages_pages($torename{src})};
while (my ($lang, $otherpage) = each %otherpages) {
push @ret, {
src => $otherpage,
srcfile => $pagesources{$otherpage},
dest => otherlanguage_page($torename{dest}, $lang),
destfile => $torename{dest}.".".$lang.".po",
required => 0,
};
}
return @ret;
}
sub mydelete (@) {
my @deleted=@_;
map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
}
sub change (@) {
my @rendered=@_;
my $updated_po_files=0;
# Refresh/create POT and PO files as needed.
foreach my $file (grep {istranslatablefile($_)} @rendered) {
my $masterfile=srcfile($file);
my $page=pagename($file);
my $updated_pot_file=0;
# Avoid touching underlay files.
next if $masterfile ne "$config{srcdir}/$file";
# Only refresh POT file if it does not exist, or if
# the source was changed: don't if only the HTML was
# refreshed, e.g. because of a dependency.
if ((grep { $_ eq $pagesources{$page} } @origneedsbuild) ||
! -e potfile($masterfile)) {
refreshpot($masterfile);
$updated_pot_file=1;
}
my @pofiles;
foreach my $po (pofiles($masterfile)) {
next if ! $updated_pot_file && -e $po;
next if grep { $po=~/\Q$_\E/ } @{$config{underlaydirs}};
push @pofiles, $po;
}
if (@pofiles) {
refreshpofiles($masterfile, @pofiles);
map { s/^\Q$config{srcdir}\E\/*//; IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
$updated_po_files=1;
}
}
if ($updated_po_files) {
commit_and_refresh(
gettext("updated PO files"));
}
}
sub checkcontent (@) {
my %params=@_;
if (istranslation($params{page})) {
my $res = isvalidpo($params{content});
if ($res) {
return undef;
}
else {
return "$res";
}
}
return undef;
}
sub canremove (@) {
my %params = @_;
if (istranslation($params{page})) {
return gettext("Can not remove a translation. If the master page is removed, ".
"however, its translations will be removed as well.");
}
return undef;
}
sub canrename (@) {
my %params = @_;
my $session = $params{session};
if (istranslation($params{src})) {
my $masterpage = masterpage($params{src});
# Tell the difference between:
# - a translation being renamed as a consequence of its master page
# being renamed, which is allowed
# - a user trying to directly rename a translation, which is forbidden
# by looking for the master page in the list of to-be-renamed pages we
# saved early in the renaming process.
my $orig_torename = $session->param("po_orig_torename");
unless (grep { $_ eq $masterpage } @{$orig_torename}) {
return gettext("Can not rename a translation. If the master page is renamed, ".
"however, its translations will be renamed as well.");
}
}
return undef;
}
# As we're previewing or saving a page, the content may have
# changed, so tell the next filter() invocation it must not be lazy.
sub editcontent () {
my %params=@_;
unsetalreadyfiltered($params{page}, $params{page});
return $params{content};
}
sub formbuilder_setup (@) {
my %params=@_;
my $form=$params{form};
my $q=$params{cgi};
return unless defined $form->field("do");
if ($form->field("do") eq "create") {
# Warn the user: new pages must be written in master language.
my $template=template("pocreatepage.tmpl");
$template->param(LANG => $master_language_name);
$form->tmpl_param(message => $template->output);
}
elsif ($form->field("do") eq "edit") {
# Remove the rename/remove buttons on slave pages.
# This has to be done after the rename/remove plugins have added
# their buttons, which is why this hook must be run last.
# The canrename/canremove hooks already ensure this is forbidden
# at the backend level, so this is only UI sugar.
if (istranslation($form->field("page"))) {
map {
for (my $i = 0; $i < @{$params{buttons}}; $i++) {
if (@{$params{buttons}}[$i] eq $_) {
delete @{$params{buttons}}[$i];
last;
}
}
} qw(Rename Remove);
}
}
}
sub formbuilder (@) {
my %params=@_;
my $form=$params{form};
my $q=$params{cgi};
return unless defined $form->field("do");
# Do not allow to create pages of type po: they are automatically created.
# The main reason to do so is to bypass the "favor the type of linking page
# on page creation" logic, which is unsuitable when a broken link is clicked
# on a slave (PO) page.
# This cannot be done in the formbuilder_setup hook as the list of types is
# computed later.
if ($form->field("do") eq "create") {
foreach my $field ($form->field) {
next unless "$field" eq "type";
next unless $field->type eq 'select';
my $orig_value = $field->value;
# remove po from the list of types
my @types = grep { $_->[0] ne 'po' } $field->options;
$field->options(\@types) if @types;
# favor the type of linking page's masterpage
if ($orig_value eq 'po') {
my ($from, $type);
if (defined $form->field('from')) {
($from)=$form->field('from')=~/$config{wiki_file_regexp}/;
$from = masterpage($from);
}
if (defined $from && exists $pagesources{$from}) {
$type=pagetype($pagesources{$from});
}
$type=$config{default_pageext} unless defined $type;
$field->value($type) ;
}
}
}
}
# ,----
# | Injected functions
# `----
# Implement po_link_to 'current' and 'negotiated' settings.
sub mybestlink ($$) {
my $page=shift;
my $link=shift;
return $origsubs{'bestlink'}->($page, $link)
if defined $config{po_link_to} && $config{po_link_to} eq "default";
my $res=$origsubs{'bestlink'}->(masterpage($page), $link);
my @caller = caller(1);
if (length $res
&& istranslatedto($res, lang($page))
&& istranslation($page)
&& !(exists $caller[3] && defined $caller[3]
&& ($caller[3] eq "IkiWiki::PageSpec::match_link"))) {
return $res . "." . lang($page);
}
return $res;
}
sub mybeautify_urlpath ($) {
my $url=shift;
my $res=$origsubs{'beautify_urlpath'}->($url);
if (defined $config{po_link_to} && $config{po_link_to} eq "negotiated") {
$res =~ s!/\Qindex.$master_language_code.$config{htmlext}\E$!/!;
$res =~ s!/\Qindex.$config{htmlext}\E$!/!;
map {
$res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!;
} @slavelanguages;
}
return $res;
}
sub mytargetpage ($$;$) {
my $page=shift;
my $ext=shift;
my $filename=shift;
if (istranslation($page) || istranslatable($page)) {
my ($masterpage, $lang) = (masterpage($page), lang($page));
if (defined $filename) {
return $masterpage . "/" . $filename . "." . $lang . "." . $ext;
}
elsif (! $config{usedirs} || $masterpage eq 'index') {
return $masterpage . "." . $lang . "." . $ext;
}
else {
return $masterpage . "/index." . $lang . "." . $ext;
}
}
return $origsubs{'targetpage'}->($page, $ext, $filename);
}
sub myurlto ($;$$) {
my $to=shift;
my $from=shift;
my $absolute=shift;
# workaround hard-coded /index.$config{htmlext} in IkiWiki::urlto()
if (! length $to
&& $config{po_link_to} eq "current"
&& istranslatable('index')) {
if (defined $from) {
return IkiWiki::beautify_urlpath(IkiWiki::baseurl($from) . "index." . lang($from) . ".$config{htmlext}");
}
else {
return $origsubs{'urlto'}->($to,$from,$absolute);
}
}
# avoid using our injected beautify_urlpath if run by cgi_editpage,
# so that one is redirected to the just-edited page rather than to the
# negociated translation; to prevent unnecessary fiddling with caller/inject,
# we only do so when our beautify_urlpath would actually do what we want to
# avoid, i.e. when po_link_to = negotiated.
# also avoid doing so when run by cgi_goto, so that the links on recentchanges
# page actually lead to the exact page they pretend to.
if ($config{po_link_to} eq "negotiated") {
my @caller = caller(1);
my $use_orig = 0;
$use_orig = 1 if (exists $caller[3] && defined $caller[3]
&& ($caller[3] eq "IkiWiki::cgi_editpage" ||
$caller[3] eq "IkiWiki::Plugin::goto::cgi_goto")
);
inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'})
if $use_orig;
my $res = $origsubs{'urlto'}->($to,$from,$absolute);
inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath)
if $use_orig;
return $res;
}
else {
return $origsubs{'urlto'}->($to,$from,$absolute)
}
}
sub mycgiurl (@) {
my %params=@_;
# slave pages have no subpages
if (istranslation($params{'from'})) {
$params{'from'} = masterpage($params{'from'});
}
return $origsubs{'cgiurl'}->(%params);
}
sub myrootpage (@) {
my %params=@_;
my $rootpage;
if (exists $params{rootpage}) {
$rootpage=$origsubs{'bestlink'}->($params{page}, $params{rootpage});
if (!length $rootpage) {
$rootpage=$params{rootpage};
}
}
else {
$rootpage=masterpage($params{page});
}
return $rootpage;
}
sub myisselflink ($$) {
my $page=shift;
my $link=shift;
return 1 if $origsubs{'isselflink'}->($page, $link);
if (istranslation($page)) {
return $origsubs{'isselflink'}->(masterpage($page), $link);
}
return;
}
# ,----
# | Blackboxes for private data
# `----
{
my %filtered;
sub alreadyfiltered($$) {
my $page=shift;
my $destpage=shift;
return exists $filtered{$page}{$destpage}
&& $filtered{$page}{$destpage} eq 1;
}
sub setalreadyfiltered($$) {
my $page=shift;
my $destpage=shift;
$filtered{$page}{$destpage}=1;
}
sub unsetalreadyfiltered($$) {
my $page=shift;
my $destpage=shift;
if (exists $filtered{$page}{$destpage}) {
delete $filtered{$page}{$destpage};
}
}
sub resetalreadyfiltered() {
undef %filtered;
}
}
# ,----
# | Helper functions
# `----
sub maybe_add_leading_slash ($;$) {
my $str=shift;
my $add=shift;
$add=1 unless defined $add;
return '/' . $str if $add;
return $str;
}
sub istranslatablefile ($) {
my $file=shift;
return 0 unless defined $file;
my $type=pagetype($file);
return 0 if ! defined $type || $type eq 'po';
return 0 if $file =~ /\.pot$/;
return 0 if ! defined $config{po_translatable_pages};
return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
return;
}
sub istranslatable ($) {
my $page=shift;
$page=~s#^/##;
return 1 if istranslatablefile($pagesources{$page});
return;
}
sub istranslatedto ($$) {
my $page=shift;
my $destlang = shift;
$page=~s#^/##;
return 0 unless istranslatable($page);
exists $pagesources{otherlanguage_page($page, $destlang)};
}
sub _istranslation ($) {
my $page=shift;
$page='' unless defined $page && length $page;
my $hasleadingslash = ($page=~s#^/##);
my $file=$pagesources{$page};
return 0 unless defined $file
&& defined pagetype($file)
&& pagetype($file) eq 'po';
return 0 if $file =~ /\.pot$/;
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
return 0 unless defined $masterpage && defined $lang
&& length $masterpage && length $lang
&& defined $pagesources{$masterpage}
&& defined $slavelanguages{$lang};
return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
if istranslatable($masterpage);
}
sub istranslation ($) {
my $page=shift;
if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
my $hasleadingslash = ($masterpage=~s#^/##);
$translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang);
}
return "";
}
sub masterpage ($) {
my $page=shift;
if ( 1 < (my ($masterpage, $lang) = _istranslation($page))) {
return $masterpage;
}
return $page;
}
sub lang ($) {
my $page=shift;
if (1 < (my ($masterpage, $lang) = _istranslation($page))) {
return $lang;
}
return $master_language_code;
}
sub islanguagecode ($) {
my $code=shift;
return $code =~ /^[a-z]{2}$/;
}
sub otherlanguage_page ($$) {
my $page=shift;
my $code=shift;
return masterpage($page) if $code eq $master_language_code;
return masterpage($page) . '.' . $code;
}
# Returns the list of other languages codes: the master language comes first,
# then the codes are ordered the same way as in po_slave_languages, if it is
# an array, or in the language name lexical order, if it is a hash.
sub otherlanguages_codes ($) {
my $page=shift;
my @ret;
return \@ret unless istranslation($page) || istranslatable($page);
my $curlang=lang($page);
foreach my $lang
($master_language_code, @slavelanguages) {
next if $lang eq $curlang;
if ($lang eq $master_language_code ||
istranslatedto(masterpage($page), $lang)) {
push @ret, $lang;
}
}
return \@ret;
}
sub otherlanguages_pages ($) {
my $page=shift;
my %ret;
map {
$ret{$_} = otherlanguage_page($page, $_)
} @{otherlanguages_codes($page)};
return \%ret;
}
sub potfile ($) {
my $masterfile=shift;
(my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
$dir='' if $dir eq './';
return File::Spec->catpath('', $dir, $name . ".pot");
}
sub pofile ($$) {
my $masterfile=shift;
my $lang=shift;
(my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
$dir='' if $dir eq './';
return File::Spec->catpath('', $dir, $name . "." . $lang . ".po");
}
sub pofiles ($) {
my $masterfile=shift;
return map pofile($masterfile, $_), @slavelanguages;
}
sub refreshpot ($) {
my $masterfile=shift;
my $potfile=potfile($masterfile);
my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
po4a_options($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}=Locale::Po4a::Po->new({ 'porefs' => 'none' });
$doc->{TT}{po_out}->set_charset('UTF-8');
# do the actual work
$doc->parse;
IkiWiki::prep_writefile(basename($potfile),dirname($potfile));
$doc->writepo($potfile);
}
sub refreshpofiles ($@) {
my $masterfile=shift;
my @pofiles=@_;
my $potfile=potfile($masterfile);
if (! -e $potfile) {
error("po(refreshpofiles) ".sprintf(gettext("POT file (%s) does not exist"), $potfile));
}
foreach my $pofile (@pofiles) {
IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
if (! -e $pofile) {
# If the po file exists in an underlay, copy it
# from there.
my ($pobase)=$pofile=~/^\Q$config{srcdir}\E\/?(.*)$/;
foreach my $dir (@{$config{underlaydirs}}) {
if (-e "$dir/$pobase") {
File::Copy::syscopy("$dir/$pobase",$pofile)
or error("po(refreshpofiles) ".
sprintf(gettext("failed to copy underlay PO file to %s"),
$pofile));
}
}
}
if (-e $pofile) {
system("msgmerge", "--previous", "-q", "-U", "--backup=none", $pofile, $potfile) == 0
or error("po(refreshpofiles) ".
sprintf(gettext("failed to update %s"),
$pofile));
}
else {
File::Copy::syscopy($potfile,$pofile)
or error("po(refreshpofiles) ".
sprintf(gettext("failed to copy the POT file to %s"),
$pofile));
}
}
}
sub buildtranslationscache() {
# use istranslation's side-effect
map istranslation($_), (keys %pagesources);
}
sub resettranslationscache() {
undef %translations;
}
sub flushmemoizecache() {
Memoize::flush_cache("istranslatable");
Memoize::flush_cache("_istranslation");
Memoize::flush_cache("percenttranslated");
}
sub urlto_with_orig_beautiful_urlpath($$) {
my $to=shift;
my $from=shift;
inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'});
my $res=urlto($to, $from);
inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
return $res;
}
sub percenttranslated ($) {
my $page=shift;
$page=~s/^\///;
return gettext("N/A") unless istranslation($page);
my $file=srcfile($pagesources{$page});
my $masterfile = srcfile($pagesources{masterpage($page)});
my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
po4a_options($masterfile));
$doc->process(
'po_in_name' => [ $file ],
'file_in_name' => [ $masterfile ],
'file_in_charset' => 'UTF-8',
'file_out_charset' => 'UTF-8',
) or error("po(percenttranslated) ".
sprintf(gettext("failed to translate %s"), $page));
my ($percent,$hit,$queries) = $doc->stats();
$percent =~ s/\.[0-9]+$//;
return $percent;
}
sub languagename ($) {
my $code=shift;
return $master_language_name
if $code eq $master_language_code;
return $slavelanguages{$code}
if defined $slavelanguages{$code};
return;
}
sub otherlanguagesloop ($) {
my $page=shift;
my @ret;
if (istranslation($page)) {
push @ret, {
url => urlto_with_orig_beautiful_urlpath(masterpage($page), $page),
code => $master_language_code,
language => $master_language_name,
master => 1,
};
}
foreach my $lang (@{otherlanguages_codes($page)}) {
next if $lang eq $master_language_code;
my $otherpage = otherlanguage_page($page, $lang);
push @ret, {
url => urlto_with_orig_beautiful_urlpath($otherpage, $page),
code => $lang,
language => languagename($lang),
percent => percenttranslated($otherpage),
}
}
return @ret;
}
sub homepageurl (;$) {
my $page=shift;
return urlto('', $page);
}
sub ishomepage ($) {
my $page = shift;
return 1 if $page eq 'index';
map { return 1 if $page eq 'index.'.$_ } @slavelanguages;
return undef;
}
sub deletetranslations ($) {
my $deletedmasterfile=shift;
my $deletedmasterpage=pagename($deletedmasterfile);
my @todelete;
map {
my $file = newpagefile($deletedmasterpage.'.'.$_, 'po');
my $absfile = "$config{srcdir}/$file";
if (-e $absfile && ! -l $absfile && ! -d $absfile) {
push @todelete, $file;
}
} @slavelanguages;
map {
if ($config{rcs}) {
IkiWiki::rcs_remove($_);
}
else {
IkiWiki::prune("$config{srcdir}/$_");
}
} @todelete;
if (@todelete) {
commit_and_refresh(
gettext("removed obsolete PO files"));
}
}
sub commit_and_refresh ($) {
my $msg = shift;
if ($config{rcs}) {
IkiWiki::disable_commit_hook();
IkiWiki::rcs_commit_staged(
message => $msg,
);
IkiWiki::enable_commit_hook();
IkiWiki::rcs_update();
}
# Reinitialize module's private variables.
resetalreadyfiltered();
resettranslationscache();
flushmemoizecache();
# Trigger a wiki refresh.
require IkiWiki::Render;
# without preliminary saveindex/loadindex, refresh()
# complains about a lot of uninitialized variables
IkiWiki::saveindex();
IkiWiki::loadindex();
IkiWiki::refresh();
IkiWiki::saveindex();
}
sub po_to_markup ($$) {
my ($page, $content) = (shift, shift);
$content = '' unless defined $content;
$content = decode_utf8(encode_utf8($content));
# CRLF line terminators make poor Locale::Po4a feel bad
$content=~s/\r\n/\n/g;
# 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;
my $fail = sub ($) {
my $msg = "po(po_to_markup) - $page : " . shift;
error($msg, sub { unlink $infile, $outfile});
};
writefile(basename($infile), File::Spec->tmpdir, $content)
or return $fail->(sprintf(gettext("failed to write %s"), $infile));
my $masterfile = srcfile($pagesources{masterpage($page)});
my $doc=Locale::Po4a::Chooser::new(po4a_type($masterfile),
po4a_options($masterfile));
$doc->process(
'po_in_name' => [ $infile ],
'file_in_name' => [ $masterfile ],
'file_in_charset' => 'UTF-8',
'file_out_charset' => 'UTF-8',
) or return $fail->(gettext("failed to translate"));
$doc->write($outfile)
or return $fail->(sprintf(gettext("failed to write %s"), $outfile));
$content = readfile($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;
return $content;
}
# returns a SuccessReason or FailReason object
sub isvalidpo ($) {
my $content = shift;
# NB: we don't use po_to_markup here, since Po4a parser does
# not mind invalid PO content
$content = '' unless defined $content;
$content = decode_utf8(encode_utf8($content));
# 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-isvalidpo.XXXXXXXXXX",
DIR => File::Spec->tmpdir,
UNLINK => 1)->filename;
my $fail = sub ($) {
my $msg = '[po/isvalidpo] ' . shift;
unlink $infile;
return IkiWiki::FailReason->new("$msg");
};
writefile(basename($infile), File::Spec->tmpdir, $content)
or return $fail->(sprintf(gettext("failed to write %s"), $infile));
my $res = (system("msgfmt", "--check", $infile, "-o", "/dev/null") == 0);
# 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 $infile;
if ($res) {
return IkiWiki::SuccessReason->new("valid gettext data");
}
return IkiWiki::FailReason->new(gettext("invalid gettext data, go back ".
"to previous page to continue edit"));
}
sub po4a_type ($) {
my $file = shift;
my $pagetype = pagetype($file);
if ($pagetype eq 'html') {
return 'xhtml';
}
return 'text';
}
sub po4a_options($) {
my $file = shift;
my %options;
my $pagetype = pagetype($file);
if ($pagetype eq 'html') {
# how to disable options is not consistent across po4a modules
$options{includessi} = '';
$options{includeexternal} = 0;
}
elsif ($pagetype eq 'mdwn') {
$options{markdown} = 1;
}
else {
$options{markdown} = 0;
}
return %options;
}
sub splitlangpair ($) {
my $pair=shift;
my ($code, $name) = ( $pair =~ /^([a-z]{2})\|(.+)$/ );
if (! defined $code || ! defined $name ||
! length $code || ! length $name) {
# not a fatal error to avoid breaking if used with web setup
warn sprintf(gettext("%s has invalid syntax: must use CODE|NAME"),
$pair);
}
return $code, $name;
}
sub joinlangpair ($$) {
my $code=shift;
my $name=shift;
return "$code|$name";
}
# ,----
# | PageSpecs
# `----
package IkiWiki::PageSpec;
sub match_istranslation ($;@) {
my $page=shift;
if (IkiWiki::Plugin::po::istranslation($page)) {
return IkiWiki::SuccessReason->new("is a translation page");
}
else {
return IkiWiki::FailReason->new("is not a translation page");
}
}
sub match_istranslatable ($;@) {
my $page=shift;
if (IkiWiki::Plugin::po::istranslatable($page)) {
return IkiWiki::SuccessReason->new("is set as translatable in po_translatable_pages");
}
else {
return IkiWiki::FailReason->new("is not set as translatable in po_translatable_pages");
}
}
sub match_lang ($$;@) {
my $page=shift;
my $wanted=shift;
my $regexp=IkiWiki::glob2re($wanted);
my $lang=IkiWiki::Plugin::po::lang($page);
if ($lang !~ $regexp) {
return IkiWiki::FailReason->new("file language is $lang, not $wanted");
}
else {
return IkiWiki::SuccessReason->new("file language is $wanted");
}
}
sub match_currentlang ($$;@) {
my $page=shift;
shift;
my %params=@_;
return IkiWiki::FailReason->new("no location provided") unless exists $params{location};
my $currentlang=IkiWiki::Plugin::po::lang($params{location});
my $lang=IkiWiki::Plugin::po::lang($page);
if ($lang eq $currentlang) {
return IkiWiki::SuccessReason->new("file language is the same as current one, i.e. $currentlang");
}
else {
return IkiWiki::FailReason->new("file language is $lang, whereas current language is $currentlang");
}
}
sub match_needstranslation ($$;@) {
my $page=shift;
my $wanted=shift;
if (defined $wanted && $wanted ne "") {
if ($wanted !~ /^\d+$/) {
return IkiWiki::FailReason->new("parameter is not an integer");
}
elsif ($wanted > 100) {
return IkiWiki::FailReason->new("parameter is greater than 100");
}
}
else {
$wanted=100;
}
my $percenttranslated=IkiWiki::Plugin::po::percenttranslated($page);
if ($percenttranslated eq 'N/A') {
return IkiWiki::FailReason->new("file is not a translatable page");
}
elsif ($percenttranslated < $wanted) {
return IkiWiki::SuccessReason->new("file has $percenttranslated translated");
}
else {
return IkiWiki::FailReason->new("file is translated enough");
}
}
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