]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Render.pm
web commit by http://adam.shand.net/
[git.ikiwiki.info.git] / IkiWiki / Render.pm
index da5a5510b998dd6d08f8ccbe724bfb9c6c260ed2..e77379a65e528114d49381c9d8c2e1286bc1e59e 100644 (file)
@@ -11,6 +11,7 @@ my %backlinks;
 my $backlinks_calculated=0;
 
 sub calculate_backlinks () { #{{{
+       return if $backlinks_calculated;
        %backlinks=();
        foreach my $page (keys %links) {
                foreach my $link (@{$links{$page}}) {
@@ -26,13 +27,12 @@ sub calculate_backlinks () { #{{{
 sub backlinks ($) { #{{{
        my $page=shift;
 
-       calculate_backlinks() unless $backlinks_calculated;
+       calculate_backlinks();
 
        my @links;
-       return unless $backlinks{$page};
        foreach my $p (keys %{$backlinks{$page}}) {
-               my $href=abs2rel(htmlpage($p), dirname($page));
-                       
+               my $href=urlto($p, $page);
+                
                # Trim common dir prefixes from both pages.
                my $p_trimmed=$p;
                my $page_trimmed=$page;
@@ -44,8 +44,11 @@ sub backlinks ($) { #{{{
                               
                push @links, { url => $href, page => pagetitle($p_trimmed) };
        }
+       @links = sort { $a->{page} cmp $b->{page} } @links;
 
-       return sort { $a->{page} cmp $b->{page} } @links;
+       return \@links, [] if @links <= $config{numbacklinks} || ! $config{numbacklinks};
+       return [@links[0..$config{numbacklinks}-1]],
+              [@links[$config{numbacklinks}..$#links]];
 } #}}}
 
 sub parentlinks ($) { #{{{
@@ -54,18 +57,14 @@ sub parentlinks ($) { #{{{
        my @ret;
        my $pagelink="";
        my $path="";
-       my $skip=1;
+       my $title=$config{wikiname};
+       
        return if $page eq 'index'; # toplevel
-       foreach my $dir (reverse split("/", $page)) {
-               if (! $skip) {
-                       $path.="../";
-                       unshift @ret, { url => $path.htmlpage($dir), page => pagetitle($dir) };
-               }
-               else {
-                       $skip=0;
-               }
+       foreach my $dir (split("/", $page)) {
+               push @ret, { url => urlto($path, $page), page => $title };
+               $path.="/".$dir;
+               $title=pagetitle($dir);
        }
-       unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
        return @ret;
 } #}}}
 
@@ -78,7 +77,7 @@ sub genpage ($$$) { #{{{
        my $actions=0;
 
        if (length $config{cgiurl}) {
-               $template->param(editurl => cgiurl(do => "edit", page => $page));
+               $template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
                $template->param(prefsurl => cgiurl(do => "prefs"));
                if ($config{rcs}) {
                        $template->param(recentchangesurl => cgiurl(do => "recentchanges"));
@@ -93,14 +92,21 @@ sub genpage ($$$) { #{{{
                $actions++;
        }
        if ($config{discussion}) {
-               $template->param(discussionlink => htmllink($page, $page, "Discussion", 1, 1));
-               $actions++;
+               my $discussionlink=gettext("discussion");
+               if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+                  (length $config{cgiurl} ||
+                   exists $links{$page."/".$discussionlink})) {
+                       $template->param(discussionlink => htmllink($page, $page, gettext("Discussion"), noimageinline => 1, forcesubpage => 1));
+                       $actions++;
+               }
        }
 
        if ($actions) {
                $template->param(have_actions => 1);
        }
 
+       my ($backlinks, $more_backlinks)=backlinks($page);
+
        $template->param(
                title => $page eq 'index' 
                        ? $config{wikiname} 
@@ -108,7 +114,8 @@ sub genpage ($$$) { #{{{
                wikiname => $config{wikiname},
                parentlinks => [parentlinks($page)],
                content => $content,
-               backlinks => [backlinks($page)],
+               backlinks => $backlinks,
+               more_backlinks => $more_backlinks,
                mtime => displaytime($mtime),
                baseurl => baseurl($page),
        );
@@ -151,18 +158,21 @@ sub scan ($) { #{{{
 
                my @links;
                while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
-                       push @links, titlepage($2);
+                       push @links, linkpage($2);
                }
                if ($config{discussion}) {
-                       # Discussion links are a special case since they're not in the
-                       # text of the page, but on its template.
-                       push @links, "$page/discussion";
+                       # Discussion links are a special case since they're
+                       # not in the text of the page, but on its template.
+                       push @links, $page."/".gettext("discussion");
                }
                $links{$page}=\@links;
                
                # Preprocess in scan-only mode.
                preprocess($page, $page, $content, 1);
        }
+       else {
+               will_render($file, $file, 1);
+       }
 } #}}}
 
 sub render ($) { #{{{
@@ -183,14 +193,31 @@ sub render ($) { #{{{
                
                writefile(htmlpage($page), $config{destdir},
                        genpage($page, $content, mtime($srcfile)));
-               $oldpagemtime{$page}=time;
        }
        else {
-               my $content=readfile($srcfile, 1);
+               my $srcfd=readfile($srcfile, 1, 1);
                delete $depends{$file};
                will_render($file, $file, 1);
-               writefile($file, $config{destdir}, $content, 1);
-               $oldpagemtime{$file}=time;
+               writefile($file, $config{destdir}, undef, 1, sub {
+                       my $destfd=shift;
+                       my $cleanup=shift;
+
+                       my $blksize = 16384;
+                       my ($len, $buf, $written);
+                       while ($len = sysread $srcfd, $buf, $blksize) {
+                               if (! defined $len) {
+                                       next if $! =~ /^Interrupted/;
+                                       error("failed to read $srcfile: $!", $cleanup);
+                               }
+                               my $offset = 0;
+                               while ($len) {
+                                       defined($written = syswrite $destfd, $buf, $len, $offset)
+                                               or error("failed to write $file: $!", $cleanup);
+                                       $len -= $written;
+                                       $offset += $written;
+                               }
+                       }
+               });
        }
 } #}}}
 
@@ -209,17 +236,18 @@ sub refresh () { #{{{
        my %exists;
        my @files;
        eval q{use File::Find};
+       error($@) if $@;
        find({
                no_chdir => 1,
                wanted => sub {
                        $_=decode_utf8($_);
-                       if (/$config{wiki_file_prune_regexp}/) {
+                       if (file_pruned($_, $config{srcdir})) {
                                $File::Find::prune=1;
                        }
                        elsif (! -d $_ && ! -l $_) {
                                my ($f)=/$config{wiki_file_regexp}/; # untaint
                                if (! defined $f) {
-                                       warn("skipping bad filename $_\n");
+                                       warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
                                }
                                else {
                                        $f=~s/^\Q$config{srcdir}\E\/?//;
@@ -233,22 +261,25 @@ sub refresh () { #{{{
                no_chdir => 1,
                wanted => sub {
                        $_=decode_utf8($_);
-                       if (/$config{wiki_file_prune_regexp}/) {
+                       if (file_pruned($_, $config{underlaydir})) {
                                $File::Find::prune=1;
                        }
                        elsif (! -d $_ && ! -l $_) {
                                my ($f)=/$config{wiki_file_regexp}/; # untaint
                                if (! defined $f) {
-                                       warn("skipping bad filename $_\n");
+                                       warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
                                }
                                else {
-                                       # Don't add files that are in the
+                                       # Don't add pages that are in the
                                        # srcdir.
                                        $f=~s/^\Q$config{underlaydir}\E\/?//;
                                        if (! -e "$config{srcdir}/$f" && 
                                            ! -l "$config{srcdir}/$f") {
-                                               push @files, $f;
-                                               $exists{pagename($f)}=1;
+                                               my $page=pagename($f);
+                                               if (! $exists{$page}) {
+                                                       push @files, $f;
+                                                       $exists{$page}=1;
+                                               }
                                        }
                                }
                        }
@@ -261,10 +292,10 @@ sub refresh () { #{{{
        my @add;
        foreach my $file (@files) {
                my $page=pagename($file);
-               if (! $oldpagemtime{$page}) {
+               $pagesources{$page}=$file;
+               if (! $pagemtime{$page}) {
                        push @add, $file;
                        $pagecase{lc $page}=$page;
-                       $pagesources{$page}=$file;
                        if ($config{getctime} && -e "$config{srcdir}/$file") {
                                $pagectime{$page}=rcs_getctime("$config{srcdir}/$file");
                        }
@@ -274,13 +305,13 @@ sub refresh () { #{{{
                }
        }
        my @del;
-       foreach my $page (keys %oldpagemtime) {
+       foreach my $page (keys %pagemtime) {
                if (! $exists{$page}) {
-                       debug("removing old page $page");
+                       debug(sprintf(gettext("removing old page %s"), $page));
                        push @del, $pagesources{$page};
                        $links{$page}=[];
                        $renderedfiles{$page}=[];
-                       $oldpagemtime{$page}=0;
+                       $pagemtime{$page}=0;
                        prune($config{destdir}."/".$_)
                                foreach @{$oldrenderedfiles{$page}};
                        delete $pagesources{$page};
@@ -292,38 +323,35 @@ sub refresh () { #{{{
        foreach my $file (@files) {
                my $page=pagename($file);
                
-               if (! exists $oldpagemtime{$page} ||
-                   mtime(srcfile($file)) > $oldpagemtime{$page} ||
+               my $mtime=mtime(srcfile($file));
+               if (! exists $pagemtime{$page} ||
+                   $mtime > $pagemtime{$page} ||
                    $forcerebuild{$page}) {
-                       debug("scanning $file");
+                       debug(sprintf(gettext("scanning %s"), $file));
+                       $pagemtime{$page}=$mtime;
                        push @changed, $file;
                        scan($file);
                }
        }
+       calculate_backlinks();
 
        # render changed and new pages
        foreach my $file (@changed) {
-               debug("rendering $file");
+               debug(sprintf(gettext("rendering %s"), $file));
                render($file);
                $rendered{$file}=1;
        }
        
-       # if any files were added or removed, check to see if each page
-       # needs an update due to linking to them or inlining them
+       # rebuild pages that link to added or removed pages
        if (@add || @del) {
-FILE:          foreach my $file (@files) {
-                       next if $rendered{$file};
-                       my $page=pagename($file);
-                       foreach my $f (@add, @del) {
-                               my $p=pagename($f);
-                               foreach my $link (@{$links{$page}}) {
-                                       if (bestlink($page, $link) eq $p) {
-                                               debug("rendering $file, which links to $p");
-                                               render($file);
-                                               $rendered{$file}=1;
-                                               next FILE;
-                                       }
-                               }
+               foreach my $f (@add, @del) {
+                       my $p=pagename($f);
+                       foreach my $page (keys %{$backlinks{$p}}) {
+                               my $file=$pagesources{$page};
+                               next if $rendered{$file};
+                               debug(sprintf(gettext("rendering %s, which links to %s"), $file, $p));
+                               render($file);
+                               $rendered{$file}=1;
                        }
                }
        }
@@ -337,8 +365,8 @@ FILE:               foreach my $file (@files) {
                                foreach my $file (keys %rendered, @del) {
                                        next if $f eq $file;
                                        my $page=pagename($file);
-                                       if (pagespec_match($page, $depends{$p})) {
-                                               debug("rendering $f, which depends on $page");
+                                       if (pagespec_match($page, $depends{$p}, $p)) {
+                                               debug(sprintf(gettext("rendering %s, which depends on %s"), $f, $page));
                                                render($f);
                                                $rendered{$f}=1;
                                                last;
@@ -376,7 +404,7 @@ FILE:               foreach my $file (@files) {
                        my $linkfile=$pagesources{$link};
                        if (defined $linkfile) {
                                next if $rendered{$linkfile};
-                               debug("rendering $linkfile, to update its backlinks");
+                               debug(sprintf(gettext("rendering %s, to update its backlinks"), $linkfile));
                                render($linkfile);
                                $rendered{$linkfile}=1;
                        }
@@ -388,7 +416,7 @@ FILE:               foreach my $file (@files) {
                my $page=pagename($src);
                foreach my $file (@{$oldrenderedfiles{$page}}) {
                        if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
-                               debug("removing $file, no longer rendered by $page");
+                               debug(sprintf(gettext("removing %s, no longer rendered by %s"), $file, $page));
                                prune($config{destdir}."/".$file);
                        }
                }
@@ -414,7 +442,7 @@ sub commandline_render () { #{{{
        $file=~s/\Q$config{srcdir}\E\/?//;
 
        my $type=pagetype($file);
-       die "ikiwiki: cannot render $srcfile\n" unless defined $type;
+       die sprintf(gettext("ikiwiki: cannot render %s"), $srcfile)."\n" unless defined $type;
        my $content=readfile($srcfile);
        my $page=pagename($file);
        $pagesources{$page}=$file;