X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/724dbabc4aecf26f6c6899cea823a38a6c0f4375..523718b181e9767d322bba3fe0b68cfcf85056a6:/IkiWiki/Plugin/po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 68fd69283..f826f9503 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # .po as a wiki page type
 # Licensed under GPL v2 or greater
-# Copyright (C) 2008 intrigeri <intrigeri@boum.org>
+# 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;
@@ -43,7 +43,7 @@ sub import {
 	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);
+	hook(type => "formbuilder_setup", id => "po", call => \&formbuilder_setup, last => 1);
 	hook(type => "formbuilder", id => "po", call => \&formbuilder);
 
 	$origsubs{'bestlink'}=\&IkiWiki::bestlink;
@@ -56,6 +56,8 @@ sub import {
 	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);
 }
 
 
@@ -128,11 +130,13 @@ sub getsetup () {
 sub checkconfig () {
 	foreach my $field (qw{po_master_language po_slave_languages}) {
 		if (! exists $config{$field} || ! defined $config{$field}) {
-			error(sprintf(gettext("Must specify %s"), $field));
+			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"));
+		error(gettext("At least one slave language must be defined ".
+			      "in po_slave_languages when using the po plugin"));
 	}
 	map {
 		islanguagecode($_)
@@ -149,8 +153,8 @@ sub checkconfig () {
 	elsif (! grep {
 			$config{po_link_to} eq $_
 		} ('default', 'current', 'negotiated')) {
-		warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
-				$config{po_link_to}));
+		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}) {
@@ -353,6 +357,42 @@ sub mydelete(@) {
 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.
@@ -446,35 +486,59 @@ sub formbuilder_setup (@) {
 	my $form=$params{form};
 	my $q=$params{cgi};
 
-	return unless (defined $form->field("do") && $form->field("do") eq "create");
+	return unless defined $form->field("do");
 
-	my $template=template("pocreatepage.tmpl");
-	$template->param(LANG => $config{po_master_language}{name});
-	$form->tmpl_param(message => $template->output);
+	if ($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);
+		}
+	}
 }
 
-# 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.
 sub formbuilder (@) {
 	my %params=@_;
 	my $form=$params{form};
 	my $q=$params{cgi};
 
-	return unless (defined $form->field("do") && $form->field("do") eq "create");
-
-        for my $field ($form->field) {
-		next unless "$field" eq "type";
-		if ($field->type eq 'select') {
-			# remove po from the types list
-			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) type field is not select - not implemented yet";
+	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;
+				$field->options(\@types) if scalar @types;
+			}
+			else {
+				# make sure the default value is not po;
+				# does this case actually happen?
+				debug "po(formbuilder) ".gettext("type field is not select - not implemented yet");
+			}
 		}
 	}
 }
@@ -567,9 +631,22 @@ sub mynicepagetitle ($;$) {
 	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).'&nbsp;%)';
 }
 
+sub mycgiurl (@) {
+	my %params=@_;
+
+	# slave pages have no subpages
+	if (istranslation($params{'from'})) {
+		$params{'from'} = masterpage($params{'from'});
+	}
+	return $origsubs{'cgiurl'}->(%params);
+}
+
 # ,----
 # | Blackboxes for private data
 # `----
@@ -624,6 +701,7 @@ sub istranslatablefile ($) {
 	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), $config{po_translatable_pages});
 	return;
 }
@@ -639,6 +717,7 @@ sub istranslatable ($) {
 sub _istranslation ($) {
 	my $page=shift;
 
+	$page='' unless (defined $page && length $page);
 	my $hasleadingslash = ($page=~s#^/##);
 	my $file=$pagesources{$page};
 	return 0 unless (defined $file
@@ -762,17 +841,23 @@ sub refreshpofiles ($@) {
 	my @pofiles=@_;
 
 	my $potfile=potfile($masterfile);
-	error("[po/refreshpofiles] POT file ($potfile) does not exist") unless (-e $potfile);
+	(-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, $potfile) == 0
-				or error("[po/refreshpofiles:$pofile] failed to update");
+				or error("po(refreshpofiles) ".
+					 sprintf(gettext("failed to update %s"),
+						 $pofile));
 		}
 		else {
 			File::Copy::syscopy($potfile,$pofile)
-				or error("[po/refreshpofiles:$pofile] failed to copy the POT file");
+				or error("po(refreshpofiles) ".
+					 sprintf(gettext("failed to copy the POT file to %s"),
+						 $pofile));
 		}
 	}
 }
@@ -819,7 +904,8 @@ sub percenttranslated ($) {
 		'file_in_name'	=> [ $masterfile ],
 		'file_in_charset'  => 'utf-8',
 		'file_out_charset' => 'utf-8',
-	) or error("[po/percenttranslated:$page]: failed to translate");
+	) or error("po(percenttranslated) ".
+		   sprintf(gettext("failed to translate %s"), $page));
 	my ($percent,$hit,$queries) = $doc->stats();
 	$percent =~ s/\.[0-9]+$//;
 	return $percent;
@@ -948,17 +1034,17 @@ sub po_to_markup ($$;$) {
 				     DIR => File::Spec->tmpdir,
 				     UNLINK => 1)->filename;
 
-	sub failure ($) {
-		my $msg = '[po/po_to_markup:'.$page.'] ' . shift;
+	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 failure("failed to write $infile");
+		or return $fail->(sprintf(gettext("failed to write %s"), $infile));
 
 	my $masterfile = srcfile($pagesources{masterpage($page)});
 	my %options = (
@@ -970,10 +1056,12 @@ sub po_to_markup ($$;$) {
 		'file_in_name'	=> [ $masterfile ],
 		'file_in_charset'  => 'utf-8',
 		'file_out_charset' => 'utf-8',
-	) or return failure("failed to translate");
-	$doc->write($outfile) or return failure("could not write $outfile");
+	) 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 failure("could not read $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()
@@ -1003,14 +1091,14 @@ sub isvalidpo ($) {
 				    DIR => File::Spec->tmpdir,
 				    UNLINK => 1)->filename;
 
-	sub failure ($) {
+	my $fail = sub ($) {
 		my $msg = '[po/isvalidpo] ' . shift;
 		unlink $infile;
 		return IkiWiki::FailReason->new("$msg");
-	}
+	};
 
 	writefile(basename($infile), File::Spec->tmpdir, $content)
-		or return failure("failed to write $infile");
+		or return $fail->(sprintf(gettext("failed to write %s"), $infile));
 
 	my $res = (system("msgfmt", "--check", $infile, "-o", "/dev/null") == 0);
 
@@ -1022,7 +1110,8 @@ sub isvalidpo ($) {
 	if ($res) {
 	    return IkiWiki::SuccessReason->new("valid gettext data");
 	}
-	return IkiWiki::FailReason->new("invalid gettext data");
+	return IkiWiki::FailReason->new("invalid gettext data, go back ".
+					"to previous page to go on with edit");
 }
 
 # ,----