X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/9dee7d1554051ebe9b87d6dd778b8e97c69d7c2e..46c2d66fd37b12c2d02466118cb206000174f1b4:/IkiWiki/Plugin/po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 5756f8f55..52677076e 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -10,7 +10,12 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
-use Locale::Po4a::Common qw(nowrapi18n);
+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;
@@ -103,7 +108,7 @@ sub getsetup () {
 		},
 		po_translatable_pages => {
 			type => "pagespec",
-			example => "!*/Discussion",
+			example => "* and !*/Discussion",
 			description => "PageSpec controlling which pages are translatable",
 			link => "ikiwiki/PageSpec",
 			safe => 1,
@@ -119,20 +124,18 @@ sub getsetup () {
 }
 
 sub checkconfig () {
-	foreach my $field (qw{po_master_language po_slave_languages}) {
+	foreach my $field (qw{po_master_language}) {
 		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}="";
@@ -150,7 +153,27 @@ sub checkconfig () {
 		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 $ll (keys %{$config{po_slave_languages}}) {
+			add_underlay("po/$ll/$underlay")
+				if -d "$config{underlaydirbase}/po/$ll/$underlay";
+		}
+	
+		if ($config{po_master_language}{code} ne 'en') {
+			# Add underlay containing translated source files
+			# for the master language.
+			add_underlay("locale/$config{po_master_language}{code}/$underlay");
+		}
+	}
 }
 
 sub needsbuild () {
@@ -178,8 +201,6 @@ sub scan (@) {
 	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)) {
@@ -262,22 +283,20 @@ sub pagetemplate (@) {
 		$template->param(otherlanguages => [otherlanguagesloop($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,
-			$masterpage . '/' . gettext("Discussion"),
-			noimageinline => 1,
-			forcesubpage => 0,
-			linktext => gettext("Discussion"),
+	if ($config{discussion} && istranslation($page)) {
+		my $discussionlink=gettext("discussion");
+		if ($page !~ /.*\/\Q$discussionlink\E$/i &&
+		   (length $config{cgiurl} ||
+		    exists $links{$masterpage."/".$discussionlink})) {
+			$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
@@ -290,7 +309,7 @@ sub pagetemplate (@) {
 } # }}}
 
 # Add the renamed page translations to the list of to-be-renamed pages.
-sub renamepages(@) {
+sub renamepages (@) {
 	my %params = @_;
 
 	my %torename = %{$params{torename}};
@@ -326,13 +345,13 @@ sub renamepages(@) {
 	return @ret;
 }
 
-sub mydelete(@) {
+sub mydelete (@) {
 	my @deleted=@_;
 
 	map { deletetranslations($_) } grep istranslatablefile($_), @deleted;
 }
 
-sub change(@) {
+sub change (@) {
 	my @rendered=@_;
 
 	# All meta titles are first extracted at scan time, i.e. before we turn
@@ -340,14 +359,14 @@ sub change(@) {
 	# 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
+	# Then, at render time, every page passes in turn 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.
+	# 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.
@@ -362,11 +381,11 @@ sub change(@) {
 	    && 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")));
+		debug(sprintf(gettext("rebuilding all pages to fix meta titles")));
 		resetalreadyfiltered();
 		require IkiWiki::Render;
 		foreach my $file (@rendered) {
-			debug(sprintf(gettext("rendering %s"), $file));
+			debug(sprintf(gettext("building %s"), $file));
 			IkiWiki::render($file);
 		}
 	}
@@ -374,22 +393,26 @@ sub change(@) {
 	my $updated_po_files=0;
 
 	# Refresh/create POT and PO files as needed.
+	# (But avoid doing so if they are in an underlay directory.)
 	foreach my $file (grep {istranslatablefile($_)} @rendered) {
-		my $page=pagename($file);
 		my $masterfile=srcfile($file);
+		my $page=pagename($file);
 		my $updated_pot_file=0;
-		# Only refresh Pot file if it does not exist, or if
+		# 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($masterfile)) {
+		if ($masterfile eq "$config{srcdir}/$file" &&
+		   ((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));
+		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 { IkiWiki::rcs_add($_) } @pofiles if $config{rcs};
@@ -423,8 +446,8 @@ sub canremove (@) {
 	my %params = @_;
 
 	if (istranslation($params{page})) {
-		return gettext("Can not remove a translation. Removing the master page, ".
-			       "though, removes its translations as well.");
+		return gettext("Can not remove a translation. If the master page is removed, ".
+			       "however, its translations will be removed as well.");
 	}
 	return undef;
 }
@@ -443,8 +466,8 @@ sub canrename (@) {
 		# 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. Renaming the master page, ".
-				       "though, renames its translations as well.");
+			return gettext("Can not rename a translation. If the master page is renamed, ".
+				       "however, its translations will be renamed as well.");
 		}
 	}
 	return undef;
@@ -660,9 +683,9 @@ sub istranslatablefile ($) {
 	my $file=shift;
 
 	return 0 unless defined $file;
-	return 0 if defined pagetype($file) && pagetype($file) eq 'po';
+	my $type=pagetype($file);
+	return 0 if ! defined $type || $type 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), $config{po_translatable_pages});
 	return;
 }
@@ -786,9 +809,10 @@ sub refreshpot ($) {
 	$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.
+	# 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' });
 	$doc->{TT}{po_out}->set_charset('utf-8');
 	# do the actual work
@@ -808,8 +832,23 @@ sub refreshpofiles ($@) {
 
 	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", "-U", "--backup=none", $pofile, $potfile) == 0
+			system("msgmerge", "--previous", "-q", "-U", "--backup=none", $pofile, $potfile) == 0
 				or error("po(refreshpofiles) ".
 					 sprintf(gettext("failed to update %s"),
 						 $pofile));
@@ -906,10 +945,10 @@ sub otherlanguagesloop ($) {
 		}
 	}
 	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;
+		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 (;$) {
@@ -1071,8 +1110,8 @@ sub isvalidpo ($) {
 	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");
+	return IkiWiki::FailReason->new(gettext("invalid gettext data, go back ".
+					"to previous page to continue edit"));
 }
 
 # ,----