X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/75fc44ce2fa43c984a1920f40d97631ace84d4f6..523718b181e9767d322bba3fe0b68cfcf85056a6:/IkiWiki/Plugin/po.pm diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm index fb4741cd4..f826f9503 100644 --- a/IkiWiki/Plugin/po.pm +++ b/IkiWiki/Plugin/po.pm @@ -1,104 +1,1180 @@ #!/usr/bin/perl # .po as a wiki page type +# Licensed under GPL v2 or greater +# Copyright (C) 2008-2009 intrigeri +# 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 2.00; +use IkiWiki 3.00; use Encode; +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 %translations; +my @origneedsbuild; +my %origsubs; + +memoize("istranslatable"); +memoize("_istranslation"); +memoize("percenttranslated"); sub import { hook(type => "getsetup", id => "po", call => \&getsetup); - hook(type => "targetpage", id => "po", call => \&targetpage); + 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, last => 1); + hook(type => "postscan", id => "po", call => \&postscan); + 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 => "cansave", id => "po", call => \&cansave); + 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); + + $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{'nicepagetitle'}=\&IkiWiki::nicepagetitle; + inject(name => "IkiWiki::nicepagetitle", call => \&mynicepagetitle); + $origsubs{'cgiurl'}=\&IkiWiki::cgiurl; + inject(name => "IkiWiki::cgiurl", call => \&mycgiurl); } -sub getsetup () { #{{{ + +# ,---- +# | Table of contents +# `---- + +# 1. Hooks +# 2. Injected functions +# 3. Blackboxes for private data +# 4. Helper functions +# 5. PageSpec's + + +# ,---- +# | Hooks +# `---- + +sub getsetup () { return plugin => { safe => 0, - rebuild => 1, # format plugin + rebuild => 1, }, - po_supported_languages => { + po_master_language => { type => "string", - example => { 'fr' => { 'name' => 'Français' }, - 'es' => { 'name' => 'Castellano' }, - 'de' => { 'name' => 'Deutsch' }, + example => { + 'code' => 'en', + 'name' => 'English' }, + description => "master language (non-PO files)", + safe => 1, + rebuild => 1, + }, + po_slave_languages => { + type => "string", + example => { + 'fr' => 'Français', + 'es' => 'Castellano', + 'de' => 'Deutsch' + }, + description => "slave languages (PO files)", + safe => 1, + rebuild => 1, + }, + po_translatable_pages => { + type => "pagespec", + example => "!*/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, + }, + po_translation_status_in_links => { + type => "boolean", + example => 1, + description => "display translation status in links to translations", safe => 1, rebuild => 1, }, -} #}}} +} + +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 when using the %s plugin"), + $field, 'po')); + } + } + if (! (keys %{$config{po_slave_languages}})) { + error(gettext("At least one slave language must be defined ". + "in po_slave_languages when using the po plugin")); + } + 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}=""; + } + if (! exists $config{po_link_to} || + ! defined $config{po_link_to}) { + $config{po_link_to}='default'; + } + elsif (! grep { + $config{po_link_to} eq $_ + } ('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'; + } + if (! exists $config{po_translation_status_in_links} || + ! defined $config{po_translation_status_in_links}) { + $config{po_translation_status_in_links}=1; + } + push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/; +} + +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(); -sub targetpage (@) { #{{{ + # make existing translations depend on the corresponding master page + foreach my $master (keys %translations) { + map add_depends($_, $master), values %{otherlanguages($master)}; + } +} + +# 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 +sub scan (@) { + my %params=@_; + my $page=$params{page}; + my $content=$params{content}; + + return unless UNIVERSAL::can("IkiWiki::Plugin::link", "import"); + + if (istranslation($page)) { + 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] = $destpage . '.' . lang($page); + last; + } + } + } + } + } + elsif (! istranslatable($page) && ! istranslation($page)) { + foreach my $destpage (@{$links{$page}}) { + if (istranslatable($destpage)) { + # make sure any destpage's translations has + # $page in its backlinks + push @{$links{$page}}, + values %{otherlanguages($destpage)}; + } + } + } +} + +# 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 $ext=$params{ext}; - if (! IkiWiki::PageSpec::match_istranslation($page, $page)) { - return; + 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 $content; +} - my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/); - if (! $config{usedirs} || $page eq 'index') { - return $masterpage.".".$ext.".".$lang; +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)); } - else { - return $masterpage."/index.".$ext.".".$lang; + if ($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, $_), (values %{otherlanguages($page)}); + } + # Rely on IkiWiki::Render's genpage() to decide wether + # a discussion link should appear on $page; this is not + # totally accurate, though: some broken links may be generated + # when cgiurl is disabled. + # This compromise avoids some code duplication, and will probably + # prevent future breakage when ikiwiki internals change. + # Known limitations are preferred to future random bugs. + if ($template->param('discussionlink') && istranslation($page)) { + $template->param('discussionlink' => htmllink( + $page, + $destpage, + $masterpage . '/' . gettext("Discussion"), + noimageinline => 1, + forcesubpage => 0, + linktext => gettext("Discussion"), + )); + } + # Remove broken parentlink to ./index.html on home page's translations. + # It works because this hook has the "last" parameter set, to ensure it + # runs after parentlinks' own pagetemplate hook. + if ($template->param('parentlinks') + && istranslation($page) + && $masterpage eq "index") { + $template->param('parentlinks' => []); } -} #}}} +} # }}} -# We use filter to convert PO to HTML, since the other plugins might do harm to it. -sub filter (@) { #{{{ +sub postscan (@) { my %params = @_; - my $content = decode_utf8(encode_utf8($params{content})); + my $page = $params{page}; - if (defined $pagesources{$params{page}} && $pagesources{$params{page}} =~ /\.po$/) { - $content = "
" . $content . "
"; + # backlinks involve back-dependencies, so that nicepagetitle effects, + # such as translation status displayed in links, are updated + use IkiWiki::Render; + map add_depends($page, $_), keys %{$IkiWiki::backlinks{$page}}; +} + +# Add the renamed page translations to the list of to-be-renamed pages. +sub renamepages($$$) { + my ($torename, $cgi, $session) = (shift, shift, shift); + + # copy the initial array, so that we can iterate on it AND + # modify it at the same time, without iterating on the items we + # pushed on it ourselves + my @torename=@{$torename}; + + # 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 @torename is modified + # by other plugins. + $session->param(po_orig_torename => [ @torename ]); + IkiWiki::cgi_savesession($session); + + foreach my $rename (@torename) { + next unless istranslatable($rename->{src}); + my %otherpages=%{otherlanguages($rename->{src})}; + while (my ($lang, $otherpage) = each %otherpages) { + push @{$torename}, { + src => $otherpage, + srcfile => $pagesources{$otherpage}, + dest => otherlanguage($rename->{dest}, $lang), + destfile => $rename->{dest}.".".$lang.".po", + required => 0, + }; + } } +} - return $content; -} #}}} +sub mydelete(@) { + my @deleted=@_; + + map { deletetranslations($_) } grep istranslatablefile($_), @deleted; +} -# We need this to register the .po file extension -sub htmlize (@) { #{{{ +sub change(@) { + my @rendered=@_; + + # All meta titles are first extracted at scan time, i.e. before we turn + # PO files back into translated markdown; escaping of double-quotes in + # PO files breaks the meta plugin's parsing enough to save ugly titles + # to %pagestate at this time. + # + # Then, at render time, every page's passes on row through the Great + # Rendering Chain (filter->preprocess->linkify->htmlize), and the meta + # plugin's preprocess hook is this time in a position to correctly + # extract the titles from slave pages. + # + # This is, unfortunately, too late: if the page A, linking to the page B, + # is rendered before B, it will display the wrongly-extracted meta title + # as the link text to B. + # + # On the one hand, such a corner case only happens on rebuild: on + # refresh, every rendered page is fixed to contain correct meta titles. + # On the other hand, it can take some time to get every page fixed. + # We therefore re-render every rendered page after a rebuild to fix them + # at once. As this more or less doubles the time needed to rebuild the + # wiki, we do so only when really needed. + + if (scalar @rendered + && exists $config{rebuild} && defined $config{rebuild} && $config{rebuild} + && UNIVERSAL::can("IkiWiki::Plugin::meta", "getsetup") + && exists $config{meta_overrides_page_title} + && defined $config{meta_overrides_page_title} + && $config{meta_overrides_page_title}) { + debug(sprintf(gettext("re-rendering all pages to fix meta titles"))); + resetalreadyfiltered(); + require IkiWiki::Render; + foreach my $file (@rendered) { + debug(sprintf(gettext("rendering %s"), $file)); + IkiWiki::render($file); + } + } + + my $updated_po_files=0; + + # Refresh/create POT and PO files as needed. + foreach my $file (grep {istranslatablefile($_)} @rendered) { + my $page=pagename($file); + my $masterfile=srcfile($file); + 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($masterfile)) { + refreshpot($masterfile); + $updated_pot_file=1; + } + my @pofiles; + map { + push @pofiles, $_ if ($updated_pot_file || ! -e $_); + } (pofiles($masterfile)); + if (@pofiles) { + refreshpofiles($masterfile, @pofiles); + map { IkiWiki::rcs_add($_) } @pofiles if $config{rcs}; + $updated_po_files=1; + } + } + + if ($updated_po_files) { + commit_and_refresh( + gettext("updated PO files"), + "IkiWiki::Plugin::po::change"); + } +} + +sub cansave ($$$$) { + my ($page, $content, $cgi, $session) = (shift, shift, shift, shift); + + if (istranslation($page)) { + my $res = isvalidpo($content); + if ($res) { + return undef; + } + else { + return "$res"; + } + } + return undef; +} + +sub canremove ($$$) { + my ($page, $cgi, $session) = (shift, shift, shift); + + if (istranslation($page)) { + return gettext("Can not remove a translation. Removing the master page, ". + "though, removes its translations as well."); + } + return undef; +} + +sub canrename ($$@) { + my ($cgi, $session) = (shift, shift); + my %params = @_; + + 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 (scalar grep { $_->{src} eq $masterpage } @{$orig_torename}) { + return gettext("Can not rename a translation. Renaming the master page, ". + "though, renames its translations 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}; -} #}}} +} -package IkiWiki::PageSpec; +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 => $config{po_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") { + for my $field ($form->field) { + next unless "$field" eq "type"; + if ($field->type eq 'select') { + # remove po from the list of types + my @types = grep { $_ ne 'po' } $field->options; + $field->options(\@types) if scalar @types; + } + else { + # make sure the default value is not po; + # does this case actually happen? + debug "po(formbuilder) ".gettext("type field is not select - not implemented yet"); + } + } + } +} + +# ,---- +# | Injected functions +# `---- -sub match_istranslation ($;@) { #{{{ +# Implement po_link_to 'current' and 'negotiated' settings. +sub mybestlink ($$) { my $page=shift; - my $wanted=shift; + my $link=shift; + + my $res=$origsubs{'bestlink'}->(masterpage($page), $link); + if (length $res + && ($config{po_link_to} eq "current" || $config{po_link_to} eq "negotiated") + && istranslatable($res) + && istranslation($page)) { + return $res . "." . lang($page); + } + return $res; +} + +sub mybeautify_urlpath ($) { + my $url=shift; + + my $res=$origsubs{'beautify_urlpath'}->($url); + if ($config{po_link_to} eq "negotiated") { + $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!; + $res =~ s!/\Qindex.$config{htmlext}\E$!/!; + map { + $res =~ s!/\Qindex.$_.$config{htmlext}\E$!/!; + } (keys %{$config{po_slave_languages}}); + } + return $res; +} +sub mytargetpage ($$) { + my $page=shift; + my $ext=shift; + + if (istranslation($page) || istranslatable($page)) { + my ($masterpage, $lang) = (masterpage($page), lang($page)); + if (! $config{usedirs} || $masterpage eq 'index') { + return $masterpage . "." . $lang . "." . $ext; + } + else { + return $masterpage . "/index." . $lang . "." . $ext; + } + } + return $origsubs{'targetpage'}->($page, $ext); +} + +sub myurlto ($$;$) { + my $to=shift; + my $from=shift; + my $absolute=shift; + + # workaround hard-coded /index.$config{htmlext} in IkiWiki::urlto() + if (! length $to + && $config{po_link_to} eq "current" + && istranslatable('index')) { + return IkiWiki::beautify_urlpath(IkiWiki::baseurl($from) . "index." . lang($from) . ".$config{htmlext}"); + } + # 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 + if ($config{po_link_to} eq "negotiated") { + my @caller = caller(1); + my $run_by_editpage = 0; + $run_by_editpage = 1 if (exists $caller[3] && defined $caller[3] + && $caller[3] eq "IkiWiki::cgi_editpage"); + inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'}) + if $run_by_editpage; + my $res = $origsubs{'urlto'}->($to,$from,$absolute); + inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath) + if $run_by_editpage; + return $res; + } + else { + return $origsubs{'urlto'}->($to,$from,$absolute) + } +} + +sub mynicepagetitle ($;$) { + my ($page, $unescaped) = (shift, shift); + + my $res = $origsubs{'nicepagetitle'}->($page, $unescaped); + return $res unless istranslation($page); + return $res unless $config{po_translation_status_in_links}; + my @caller = caller(1); + return $res if (exists $caller[3] && defined $caller[3] + && $caller[3] eq "IkiWiki::Plugin::parentlinks::parentlinks"); + return $res.' ('.percenttranslated($page).' %)'; +} + +sub mycgiurl (@) { my %params=@_; - my $file=exists $params{file} ? $params{file} : $IkiWiki::pagesources{$page}; - if (! defined $file) { - return IkiWiki::FailReason->new("no file specified"); + + # slave pages have no subpages + if (istranslation($params{'from'})) { + $params{'from'} = masterpage($params{'from'}); + } + return $origsubs{'cgiurl'}->(%params); +} + +# ,---- +# | 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}; + } } - if (! IkiWiki::pagetype($page) eq 'po') { - return IkiWiki::FailReason->new("is not a PO file"); + 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; + return 0 if (defined pagetype($file) && pagetype($file) eq 'po'); + return 0 if $file =~ /\.pot$/; + return 0 unless -e "$config{srcdir}/$file"; # underlay dirs may be read-only + 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 _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})$/); - if (! defined $masterpage || ! defined $lang - || ! (length($masterpage) > 0) || ! (length($lang) > 0)) { - return IkiWiki::FailReason->new("is not named like a translation file"); + return 0 unless (defined $masterpage && defined $lang + && length $masterpage && length $lang + && defined $pagesources{$masterpage} + && defined $config{po_slave_languages}{$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; +} - if (! defined $IkiWiki::pagesources{$masterpage}) { - return IkiWiki::FailReason->new("the master page does not exist"); +sub masterpage ($) { + my $page=shift; + + if ( 1 < (my ($masterpage, $lang) = _istranslation($page))) { + return $masterpage; } + return $page; +} - if (! defined $IkiWiki::config{po_supported_languages}{$lang}) { - return IkiWiki::FailReason->new("language $lang is not supported"); +sub lang ($) { + my $page=shift; + + if (1 < (my ($masterpage, $lang) = _istranslation($page))) { + return $lang; } + return $config{po_master_language}{code}; +} - return IkiWiki::SuccessReason->new("page $page is a translation"); +sub islanguagecode ($) { + my $code=shift; + + return ($code =~ /^[a-z]{2}$/); +} + +sub otherlanguage ($$) { + my $page=shift; + my $code=shift; + + return masterpage($page) if $code eq $config{po_master_language}{code}; + return masterpage($page) . '.' . $code; +} + +sub otherlanguages ($) { + my $page=shift; + + my %ret; + return \%ret unless (istranslation($page) || istranslatable($page)); + my $curlang=lang($page); + foreach my $lang + ($config{po_master_language}{code}, keys %{$config{po_slave_languages}}) { + next if $lang eq $curlang; + $ret{$lang}=otherlanguage($page, $lang); + } + return \%ret; +} -} #}}} +sub potfile ($) { + 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, $_), (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->{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); + (-e $potfile) + or 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) { + system("msgmerge", "-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($page)}); + my %options = ( + "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0, + ); + my $doc=Locale::Po4a::Chooser::new('text',%options); + $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 $config{po_master_language}{name} + if $code eq $config{po_master_language}{code}; + return $config{po_slave_languages}{$code} + if defined $config{po_slave_languages}{$code}; + return; +} + +sub otherlanguagesloop ($) { + my $page=shift; + + my @ret; + my %otherpages=%{otherlanguages($page)}; + while (my ($lang, $otherpage) = each %otherpages) { + if (istranslation($page) && masterpage($page) eq $otherpage) { + push @ret, { + url => urlto_with_orig_beautiful_urlpath($otherpage, $page), + code => $lang, + language => languagename($lang), + master => 1, + }; + } + else { + push @ret, { + url => urlto_with_orig_beautiful_urlpath($otherpage, $page), + code => $lang, + language => languagename($lang), + percent => percenttranslated($otherpage), + } + } + } + return sort { + return -1 if $a->{code} eq $config{po_master_language}{code}; + return 1 if $b->{code} eq $config{po_master_language}{code}; + return $a->{language} cmp $b->{language}; + } @ret; +} + +sub homepageurl (;$) { + my $page=shift; + + return urlto('', $page); +} + +sub deletetranslations ($) { + 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, $file; + } + } keys %{$config{po_slave_languages}}; + + map { + if ($config{rcs}) { + IkiWiki::rcs_remove($_); + } + else { + IkiWiki::prune("$config{srcdir}/$_"); + } + } @todelete; + + if (scalar @todelete) { + commit_and_refresh( + gettext("removed obsolete PO files"), + "IkiWiki::Plugin::po::deletetranslations"); + } +} + +sub commit_and_refresh ($$) { + my ($msg, $author) = (shift, shift); + + if ($config{rcs}) { + IkiWiki::disable_commit_hook(); + IkiWiki::rcs_commit_staged($msg, $author, "127.0.0.1"); + IkiWiki::enable_commit_hook(); + IkiWiki::rcs_update(); + } + # Reinitialize module's private variables. + resetalreadyfiltered(); + resettranslationscache(); + flushmemoizecache(); + # Trigger a wiki refresh. + require IkiWiki::Render; + # without preliminary saveindex/loadindex, refresh() + # complains about a lot of uninitialized variables + IkiWiki::saveindex(); + IkiWiki::loadindex(); + IkiWiki::refresh(); + IkiWiki::saveindex(); +} + +# on success, returns the filtered content. +# on error, if $nonfatal, warn and return undef; else, error out. +sub po_to_markup ($$;$) { + my ($page, $content) = (shift, shift); + my $nonfatal = 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) - $page : " . shift; + if ($nonfatal) { + warn $msg; + return undef; + } + error($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($page)}); + my %options = ( + "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0, + ); + my $doc=Locale::Po4a::Chooser::new('text',%options); + $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) + or return $fail->(sprintf(gettext("failed to read %s"), $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("invalid gettext data, go back ". + "to previous page to go on with edit"); +} + +# ,---- +# | PageSpec's +# `---- + +package IkiWiki::PageSpec; +use warnings; +use strict; +use IkiWiki 2.00; + +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 ($$;@) { + my $page=shift; + my $wanted=shift; + + my $regexp=IkiWiki::glob2re($wanted); + my $lang=IkiWiki::Plugin::po::lang($page); + if ($lang!~/^$regexp$/i) { + return IkiWiki::FailReason->new("file language is $lang, not $wanted"); + } + else { + return IkiWiki::SuccessReason->new("file language is $wanted"); + } +} + +sub match_currentlang ($$;@) { + 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"); + } +} 1