X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/1aad01f841be86bacaa0f055fc10abcad994bb3b..cfcb7454db57481060f4caccd501ca8d281b22c5:/IkiWiki/Plugin/po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 716aa9151..cc8e9b2ed 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -9,6 +9,7 @@ use strict;
 use IkiWiki 2.00;
 use Encode;
 use Locale::Po4a::Chooser;
+use Locale::Po4a::Po;
 use File::Basename;
 use File::Copy;
 use File::Spec;
@@ -17,20 +18,31 @@ use Memoize;
 
 my %translations;
 our %filtered;
-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 {
 	hook(type => "getsetup", id => "po", call => \&getsetup);
 	hook(type => "checkconfig", id => "po", call => \&checkconfig);
 	hook(type => "needsbuild", id => "po", call => \&needsbuild);
-	hook(type => "targetpage", id => "po", call => \&targetpage);
-	hook(type => "tweakurlpath", id => "po", call => \&tweakurlpath);
-	hook(type => "tweakbestlink", id => "po", call => \&tweakbestlink);
 	hook(type => "filter", id => "po", call => \&filter);
 	hook(type => "htmlize", id => "po", call => \&htmlize);
 	hook(type => "pagetemplate", id => "po", call => \&pagetemplate);
+	hook(type => "editcontent", id => "po", call => \&editcontent);
+	inject(name => "IkiWiki::bestlink", call => \&mybestlink);
+	inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
+	inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
 }
 
 sub getsetup () { #{{{
@@ -46,7 +58,7 @@ sub getsetup () { #{{{
 				'name' => 'English'
 			},
 			description => "master language (non-PO files)",
-			safe => 1,
+			safe => 0,
 			rebuild => 1,
 		},
 		po_slave_languages => {
@@ -57,7 +69,7 @@ sub getsetup () { #{{{
 				'de' => 'Deutsch'
 			},
 			description => "slave languages (PO files)",
-			safe => 1,
+			safe => 0,
 			rebuild => 1,
 		},
 		po_translatable_pages => {
@@ -65,14 +77,14 @@ sub getsetup () { #{{{
 			example => "!*/Discussion",
 			description => "PageSpec controlling which pages are translatable",
 			link => "ikiwiki/PageSpec",
-			safe => 1,
+			safe => 0,
 			rebuild => 1,
 		},
 		po_link_to => {
 			type => "string",
 			example => "current",
 			description => "internal linking behavior (default/current/negotiated)",
-			safe => 1,
+			safe => 0,
 			rebuild => 1,
 		},
 } #}}}
@@ -119,6 +131,13 @@ sub refreshpot ($) { #{{{
 	$doc->{TT}{utf_mode} = 1;
 	$doc->{TT}{file_in_charset} = 'utf-8';
 	$doc->{TT}{file_out_charset} = 'utf-8';
+	# 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.
+	my %po_options = ('porefs' => 'none');
+	$doc->{TT}{po_out}=Locale::Po4a::Po->new(\%po_options);
+	$doc->{TT}{po_out}->set_charset('utf-8');
+	# do the actual work
 	$doc->parse;
 	$doc->writepo($potfile);
 } #}}}
@@ -132,7 +151,7 @@ sub refreshpofiles ($@) { #{{{
 
 	foreach my $pofile (@pofiles) {
 		if (-e $pofile) {
-			my $cmd = "msgmerge -U $pofile $potfile";
+			my $cmd = "msgmerge -U --backup=none $pofile $potfile";
 			system ($cmd) == 0
 				or error("[po/refreshpofiles:$pofile] failed to update");
 		}
@@ -186,16 +205,14 @@ sub needsbuild () { #{{{
 		}
 		IkiWiki::refresh();
 		IkiWiki::saveindex();
-		%filtered=undef;
+		# refresh module's private variables
+		undef %filtered;
+		undef %translations;
+		foreach my $page (keys %pagesources) {
+			istranslation($page);
+		}
 	}
 
-	# refresh %translations, using istranslation's side-effect
-	# (not needed yet, but when newly created POT/PO files are
-	# added to %pagesources and other data structures, we'll need
-	# this)
-	foreach my $page (keys %pagesources) {
-		istranslation($page);
-	}
 
 	# make existing translations depend on the corresponding master page
 	foreach my $master (keys %translations) {
@@ -205,14 +222,13 @@ sub needsbuild () { #{{{
 	}
 } #}}}
 
-sub targetpage (@) { #{{{
-	my %params = @_;
-        my $page=$params{page};
-        my $ext=$params{ext};
+sub mytargetpage ($$) { #{{{
+	my $page=shift;
+	my $ext=shift;
 
 	if (istranslation($page)) {
 		my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
-		if (! $config{usedirs} || $page eq 'index') {
+		if (! $config{usedirs} || $masterpage eq 'index') {
 			return $masterpage . "." . $lang . "." . $ext;
 		}
 		else {
@@ -227,50 +243,72 @@ sub targetpage (@) { #{{{
 			return $page . "/index." . $config{po_master_language}{code} . "." . $ext;
 		}
 	}
-	return;
+	return $origsubs{'targetpage'}->($page, $ext);
 } #}}}
 
-sub tweakurlpath ($) { #{{{
-	my %params = @_;
-	my $url=$params{url};
+sub mybeautify_urlpath ($) { #{{{
+	my $url=shift;
+	my $res=$origsubs{'beautify_urlpath'}->($url);
 	if ($config{po_link_to} eq "negotiated") {
-		$url =~ s!/index.$config{po_master_language}{code}.$config{htmlext}$!/!;
+		$res =~ s!/index.$config{po_master_language}{code}.$config{htmlext}$!/!;
 	}
-	return $url;
+	return $res;
 } #}}}
 
-sub tweakbestlink ($$) { #{{{
-	my %params = @_;
-	my $page=$params{page};
-	my $link=$params{link};
-	if ($config{po_link_to} eq "current"
-	    && istranslatable($link)
-	    && istranslation($page)) {
-		my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
-		return $link . "." . $curlang;
+sub urlto_with_orig_beautiful_urlpath($$) { #{{{
+	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 mybestlink ($$) { #{{{
+	my $page=shift;
+	my $link=shift;
+	my $res=$origsubs{'bestlink'}->($page, $link);
+	if (length $res) {
+		if ($config{po_link_to} eq "current"
+		    && istranslatable($res)
+		    && istranslation($page)) {
+			my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+			return $res . "." . $curlang;
+		}
+		else {
+			return $res;
+		}
 	}
-	return $link;
+	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;
+
+	# Locale::Po4a needs an input file, and I'm too lazy to learn
+	# how to disguise a variable as a file
+	my $infile = File::Temp->new(TEMPLATE => "ikiwiki-po-filter-in.XXXXXXXXXX",
+				     TMPDIR => 1)->filename;
+	writefile(basename($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($masterfile) eq 'mdwn') ? 1 : 0,
@@ -281,11 +319,11 @@ sub filter (@) { #{{{
 		'file_in_name'	=> \@masters,
 		'file_in_charset'  => 'utf-8',
 		'file_out_charset' => 'utf-8',
-	) or error("[po/filter:$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");
+	my $tmpout = File::Temp->new(TEMPLATE => "ikiwiki-po-filter-out.XXXXXXXXXX",
+				     TMPDIR => 1)->filename;
+	$doc->write($tmpout) or error("[po/filter:$infile] could not write $tmpout");
+	$content = readfile($tmpout) or error("[po/filter:$infile] could not read $tmpout");
 	$filtered{$page}{$destpage}=1;
 	return $content;
 } #}}}
@@ -341,7 +379,7 @@ sub otherlanguages ($) { #{{{
 	elsif (istranslation($page)) {
 		my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
 		push @ret, {
-			url => urlto($masterpage, $page),
+			url => urlto_with_orig_beautiful_urlpath($masterpage, $page),
 			code => $config{po_master_language}{code},
 			language => $config{po_master_language}{name},
 			master => 1,
@@ -361,16 +399,63 @@ sub otherlanguages ($) { #{{{
 sub pagetemplate (@) { #{{{
 	my %params=@_;
         my $page=$params{page};
+        my $destpage=$params{destpage};
         my $template=$params{template};
 
 	if (istranslation($page) && $template->query(name => "percenttranslated")) {
 		$template->param(percenttranslated => percenttranslated($page));
 	}
+	if ($template->query(name => "istranslation")) {
+		$template->param(istranslation => istranslation($page));
+	}
+	if ($template->query(name => "istranslatable")) {
+		$template->param(istranslatable => istranslatable($page));
+	}
 	if ($template->query(name => "otherlanguages")) {
 		$template->param(otherlanguages => [otherlanguages($page)]);
+		if (istranslatable($page)) {
+			foreach my $translation (values %{$translations{$page}}) {
+				add_depends($page, $translation);
+			}
+		}
+		elsif (istranslation($page)) {
+			my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+			add_depends($page, $masterpage);
+			foreach my $translation (values %{$translations{$masterpage}}) {
+				add_depends($page, $translation);
+			}
+		}
+	}
+	# 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($page)) {
+		my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+		$template->param('discussionlink' => htmllink(
+							$page,
+							$destpage,
+							$masterpage . '/' . gettext("Discussion"),
+							noimageinline => 1,
+							forcesubpage => 0,
+							linktext => gettext("Discussion"),
+							));
 	}
 } # }}}
 
+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};