use IkiWiki;
use Encode;
-my %backlinks;
+my (%backlinks, %rendered);
our %brokenlinks;
my $links_calculated=0;
sub genpage ($$) {
my $page=shift;
my $content=shift;
+
+ run_hooks(postscan => sub {
+ shift->(page => $page, content => $content);
+ });
my $templatefile;
run_hooks(templatefile => sub {
my $actions=0;
if (length $config{cgiurl}) {
- $template->param(editurl => cgiurl(do => "edit", page => $page))
- if IkiWiki->can("cgi_editpage");
- $template->param(prefsurl => cgiurl(do => "prefs"))
- if exists $hooks{auth};
- $actions++;
+ if (IkiWiki->can("cgi_editpage")) {
+ $template->param(editurl => cgiurl(do => "edit", page => $page));
+ $actions++;
+ }
+ if (exists $hooks{auth}) {
+ $template->param(prefsurl => cgiurl(do => "prefs"));
+ $actions++;
+ }
}
if (defined $config{historyurl} && length $config{historyurl}) {
$actions++;
}
if ($config{discussion}) {
- if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
+ if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
(length $config{cgiurl} ||
exists $links{$page."/".$config{discussionpage}})) {
$template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
$content=$template->output;
- run_hooks(postscan => sub {
- shift->(page => $page, content => $content);
- });
-
run_hooks(format => sub {
$content=shift->(
page => $page,
sub scan ($) {
my $file=shift;
+ debug(sprintf(gettext("scanning %s"), $file));
+
my $type=pagetype($file);
if (defined $type) {
my $srcfile=srcfile($file);
else {
$links{$page}=[];
}
+ delete $typedlinks{$page};
run_hooks(scan => sub {
shift->(
}
}
-sub render ($) {
+sub render ($$) {
my $file=shift;
+ return if $rendered{$file};
+ debug(shift);
+ $rendered{$file}=1;
my $type=pagetype($file);
my $srcfile=srcfile($file);
}
sub find_src_files () {
- my (@files, %pages);
+ my @files;
+ my %pages;
eval q{use File::Find};
error($@) if $@;
find({
no_chdir => 1,
wanted => sub {
- $_=decode_utf8($_);
- if (file_pruned($_, $config{srcdir})) {
+ my $file=decode_utf8($_);
+ $file=~s/^\Q$config{srcdir}\E\/?//;
+ return if -l $_ || -d _ || ! length $file;
+ my $page = pagename($file);
+ if (! exists $pagesources{$page} &&
+ file_pruned($file)) {
$File::Find::prune=1;
+ return;
}
- elsif (! -l $_ && ! -d _) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
- }
- else {
- $f=~s/^\Q$config{srcdir}\E\/?//;
- push @files, $f;
- my $pagename = pagename($f);
- if ($pages{$pagename}) {
- debug(sprintf(gettext("%s has multiple possible source pages"), $pagename));
- }
- $pages{$pagename}=1;
+
+ my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+ if (! defined $f) {
+ warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+ }
+ else {
+ push @files, $f;
+ if ($pages{$page}) {
+ debug(sprintf(gettext("%s has multiple possible source pages"), $page));
}
+ $pages{$page}=1;
}
},
}, $config{srcdir});
find({
no_chdir => 1,
wanted => sub {
- $_=decode_utf8($_);
- if (file_pruned($_, $dir)) {
+ my $file=decode_utf8($_);
+ $file=~s/^\Q$dir\E\/?//;
+ return if -l $_ || -d _ || ! length $file;
+ my $page=pagename($file);
+ if (! exists $pagesources{$page} &&
+ file_pruned($file)) {
$File::Find::prune=1;
+ return;
}
- elsif (! -l $_ && ! -d _) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn(sprintf(gettext("skipping bad filename %s"), $_)."\n");
- }
- else {
- $f=~s/^\Q$dir\E\/?//;
- # avoid underlaydir
- # override attacks; see
- # security.mdwn
- if (! -l "$config{srcdir}/$f" &&
- ! -e _) {
- my $page=pagename($f);
- if (! $pages{$page}) {
- push @files, $f;
- $pages{$page}=1;
- }
+
+ my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
+ if (! defined $f) {
+ warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
+ }
+ else {
+ # avoid underlaydir override
+ # attacks; see security.mdwn
+ if (! -l "$config{srcdir}/$f" &&
+ ! -e _) {
+ if (! $pages{$page}) {
+ push @files, $f;
+ $pages{$page}=1;
}
}
}
},
}, $dir);
};
-
- # Returns a list of all source files found, and a hash of
- # the corresponding page names.
return \@files, \%pages;
}
-sub refresh () {
- srcdir_check();
- run_hooks(refresh => sub { shift->() });
- my ($files, $exists)=find_src_files();
+sub find_new_files ($) {
+ my $files=shift;
+ my @new;
+ my @internal_new;
- my (%rendered, @add, @del, @internal);
- # check for added or removed pages
foreach my $file (@$files) {
my $page=pagename($file);
if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
$pagesources{$page}=$file;
if (! $pagemtime{$page}) {
if (isinternal($page)) {
- push @internal, $file;
+ push @internal_new, $file;
}
else {
- push @add, $file;
+ push @new, $file;
if ($config{getctime} && -e "$config{srcdir}/$file") {
eval {
my $time=rcs_getctime("$config{srcdir}/$file");
}
}
}
+
+ return \@new, \@internal_new;
+}
+
+sub find_del_files ($) {
+ my $pages=shift;
+ my @del;
+ my @internal_del;
+
foreach my $page (keys %pagemtime) {
- if (! $exists->{$page}) {
+ if (! $pages->{$page}) {
if (isinternal($page)) {
- push @internal, $pagesources{$page};
+ push @internal_del, $pagesources{$page};
}
else {
- debug(sprintf(gettext("removing old page %s"), $page));
push @del, $pagesources{$page};
}
$links{$page}=[];
+ delete $typedlinks{$page};
$renderedfiles{$page}=[];
$pagemtime{$page}=0;
- foreach my $old (@{$oldrenderedfiles{$page}}) {
- prune($config{destdir}."/".$old);
- }
- delete $pagesources{$page};
- foreach my $source (keys %destsources) {
- if ($destsources{$source} eq $page) {
- delete $destsources{$source};
- }
+ }
+ }
+
+ return \@del, \@internal_del;
+}
+
+sub remove_del (@) {
+ foreach my $file (@_) {
+ my $page=pagename($file);
+ if (! isinternal($page)) {
+ debug(sprintf(gettext("removing old page %s"), $page));
+ }
+
+ foreach my $old (@{$oldrenderedfiles{$page}}) {
+ prune($config{destdir}."/".$old);
+ }
+
+ foreach my $source (keys %destsources) {
+ if ($destsources{$source} eq $page) {
+ delete $destsources{$source};
}
}
+
+ delete $pagecase{lc $page};
+ delete $pagesources{$page};
}
+}
- # find changed and new files
- my @needsbuild;
+sub find_changed ($) {
+ my $files=shift;
+ my @changed;
+ my @internal_changed;
foreach my $file (@$files) {
my $page=pagename($file);
my ($srcfile, @stat)=srcfile_stat($file);
$stat[9] > $pagemtime{$page} ||
$forcerebuild{$page}) {
$pagemtime{$page}=$stat[9];
+
if (isinternal($page)) {
- push @internal, $file;
# Preprocess internal page in scan-only mode.
preprocess($page, $page, readfile($srcfile), 1);
+ push @internal_changed, $file;
}
else {
- push @needsbuild, $file;
+ push @changed, $file;
}
}
}
- run_hooks(needsbuild => sub { shift->(\@needsbuild) });
+ return \@changed, \@internal_changed;
+}
- # scan and render files
- foreach my $file (@needsbuild) {
- debug(sprintf(gettext("scanning %s"), $file));
- scan($file);
- }
- calculate_links();
- foreach my $file (@needsbuild) {
- debug(sprintf(gettext("building %s"), $file));
- render($file);
- $rendered{$file}=1;
- }
- foreach my $file (@internal) {
- # internal pages are not rendered
+sub calculate_old_links ($$) {
+ my ($changed, $del)=@_;
+ my %oldlink_targets;
+ foreach my $file (@$changed, @$del) {
my $page=pagename($file);
- delete $depends{$page};
- delete $depends_simple{$page};
- foreach my $old (@{$renderedfiles{$page}}) {
- delete $destsources{$old};
+ if (exists $oldlinks{$page}) {
+ foreach my $l (@{$oldlinks{$page}}) {
+ $oldlink_targets{$page}{$l}=bestlink($page, $l);
+ }
}
- $renderedfiles{$page}=[];
}
-
- # rebuild pages that link to added or removed pages
- if (@add || @del) {
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $page (keys %{$backlinks{$p}}) {
- my $file=$pagesources{$page};
- next if $rendered{$file};
- debug(sprintf(gettext("building %s, which links to %s"), $file, $p));
- render($file);
- $rendered{$file}=1;
+ return \%oldlink_targets;
+}
+
+sub derender_internal ($) {
+ my $file=shift;
+ my $page=pagename($file);
+ delete $depends{$page};
+ delete $depends_simple{$page};
+ foreach my $old (@{$renderedfiles{$page}}) {
+ delete $destsources{$old};
+ }
+ $renderedfiles{$page}=[];
+}
+
+sub render_linkers ($) {
+ my $f=shift;
+ my $p=pagename($f);
+ foreach my $page (keys %{$backlinks{$p}}) {
+ my $file=$pagesources{$page};
+ render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
+ }
+}
+
+sub remove_unrendered () {
+ foreach my $src (keys %rendered) {
+ my $page=pagename($src);
+ foreach my $file (@{$oldrenderedfiles{$page}}) {
+ if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
+ debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
+ prune($config{destdir}."/".$file);
}
}
}
+}
- if (%rendered || @del || @internal) {
- my @changed=(keys %rendered, @del);
+sub link_types_changed ($$) {
+ # each is of the form { type => { link => 1 } }
+ my $new = shift;
+ my $old = shift;
- my %lcchanged = map { lc(pagename($_)) => 1 } @changed;
-
- # rebuild dependant pages
- foreach my $f (@$files) {
- next if $rendered{$f};
- my $p=pagename($f);
- my $reason = undef;
+ return 0 if !defined $new && !defined $old;
+ return 1 if !defined $new || !defined $old;
- if (exists $depends_simple{$p}) {
- foreach my $d (keys %{$depends_simple{$p}}) {
- if (exists $lcchanged{$d}) {
- $reason = $d;
- last;
- }
+ while (my ($type, $links) = each %$new) {
+ foreach my $link (keys %$links) {
+ return 1 unless exists $old->{$type}{$link};
+ }
+ }
+
+ while (my ($type, $links) = each %$old) {
+ foreach my $link (keys %$links) {
+ return 1 unless exists $new->{$type}{$link};
+ }
+ }
+
+ return 0;
+}
+
+sub calculate_changed_links ($$$) {
+ my ($changed, $del, $oldlink_targets)=@_;
+
+ my (%backlinkchanged, %linkchangers);
+
+ foreach my $file (@$changed, @$del) {
+ my $page=pagename($file);
+
+ if (exists $links{$page}) {
+ foreach my $l (@{$links{$page}}) {
+ my $target=bestlink($page, $l);
+ if (! exists $oldlink_targets->{$page}{$l} ||
+ $target ne $oldlink_targets->{$page}{$l}) {
+ $backlinkchanged{$target}=1;
+ $linkchangers{lc($page)}=1;
}
+ delete $oldlink_targets->{$page}{$l};
+ }
+ }
+ if (exists $oldlink_targets->{$page} &&
+ %{$oldlink_targets->{$page}}) {
+ foreach my $target (values %{$oldlink_targets->{$page}}) {
+ $backlinkchanged{$target}=1;
+ }
+ $linkchangers{lc($page)}=1;
+ }
+
+ # we currently assume that changing the type of a link doesn't
+ # change backlinks
+ if (!exists $linkchangers{lc($page)}) {
+ if (link_types_changed($typedlinks{$page}, $oldtypedlinks{$page})) {
+ $linkchangers{lc($page)}=1;
}
+ }
+ }
- if (exists $depends{$p} && ! defined $reason) {
- D: foreach my $d (keys %{$depends{$p}}) {
- my $sub=pagespec_translate($d);
- next if $@ || ! defined $sub;
+ return \%backlinkchanged, \%linkchangers;
+}
- # only consider internal files
- # if the page explicitly depends
- # on such files
- foreach my $file (@changed, $d =~ /internal\(/ ? @internal : ()) {
+sub render_dependent ($$$$$$$) {
+ my ($files, $new, $internal_new, $del, $internal_del,
+ $internal_changed, $linkchangers)=@_;
+
+ my @changed=(keys %rendered, @$del);
+ my @exists_changed=(@$new, @$del);
+
+ my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
+ my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
+ foreach my $f (@$files) {
+ next if $rendered{$f};
+ my $p=pagename($f);
+ my $reason = undef;
+
+ if (exists $depends_simple{$p}) {
+ foreach my $d (keys %{$depends_simple{$p}}) {
+ if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
+ $lc_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
+ $lc_exists_changed{$d})
+ ||
+ ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
+ $linkchangers->{$d})
+ ) {
+ $reason = $d;
+ last;
+ }
+ }
+ }
+
+ if (exists $depends{$p} && ! defined $reason) {
+ foreach my $dep (keys %{$depends{$p}}) {
+ my $sub=pagespec_translate($dep);
+ next unless defined $sub;
+
+ # only consider internal files
+ # if the page explicitly depends
+ # on such files
+ my $internal_dep=$dep =~ /internal\(/;
+
+ my $in=sub {
+ my $list=shift;
+ my $type=shift;
+ foreach my $file (@$list) {
next if $file eq $f;
my $page=pagename($file);
if ($sub->($page, location => $p)) {
- $reason = $page;
- last D;
+ if ($type == $IkiWiki::DEPEND_LINKS) {
+ next unless $linkchangers->{lc($page)};
+ }
+ return $page;
}
}
+ return undef;
+ };
+
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
+ last if $reason =
+ $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
+ $in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
+ $in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
}
- }
-
- if (defined $reason) {
- debug(sprintf(gettext("building %s, which depends on %s"), $f, $reason));
- render($f);
- $rendered{$f}=1;
- }
- }
-
- # handle backlinks; if a page has added/removed links,
- # update the pages it links to
- my %linkchanged;
- foreach my $file (@changed) {
- my $page=pagename($file);
-
- if (exists $links{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
- if (length $link &&
- (! exists $oldlinks{$page} ||
- ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
- $linkchanged{$link}=1;
- }
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
+ last if $reason =
+ $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
+ $in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
}
- }
- if (exists $oldlinks{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
- if (length $link &&
- (! exists $links{$page} ||
- ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
- $linkchanged{$link}=1;
- }
+ if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
+ last if $reason =
+ $in->(\@changed, $IkiWiki::DEPEND_LINKS);
+ last if $internal_dep && ($reason =
+ $in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
+ $in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
+ $in->($internal_changed, $IkiWiki::DEPEND_LINKS));
}
}
}
-
- foreach my $link (keys %linkchanged) {
- my $linkfile=$pagesources{$link};
- if (defined $linkfile) {
- next if $rendered{$linkfile};
- debug(sprintf(gettext("building %s, to update its backlinks"), $linkfile));
- render($linkfile);
- $rendered{$linkfile}=1;
- }
+
+ if (defined $reason) {
+ render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
+ return 1;
}
}
- # remove no longer rendered files
- foreach my $src (keys %rendered) {
- my $page=pagename($src);
- foreach my $file (@{$oldrenderedfiles{$page}}) {
- if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
- debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
- prune($config{destdir}."/".$file);
- }
+ return 0;
+}
+
+sub render_backlinks ($) {
+ my $backlinkchanged=shift;
+ foreach my $link (keys %$backlinkchanged) {
+ my $linkfile=$pagesources{$link};
+ if (defined $linkfile) {
+ render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
}
}
+}
+
+sub refresh () {
+ srcdir_check();
+ run_hooks(refresh => sub { shift->() });
+ my ($files, $pages)=find_src_files();
+ my ($new, $internal_new)=find_new_files($files);
+ my ($del, $internal_del)=find_del_files($pages);
+ my ($changed, $internal_changed)=find_changed($files);
+ run_hooks(needsbuild => sub { shift->($changed) });
+ my $oldlink_targets=calculate_old_links($changed, $del);
+
+ foreach my $file (@$changed) {
+ scan($file);
+ }
- if (@del) {
- run_hooks(delete => sub { shift->(@del) });
+ calculate_links();
+
+ remove_del(@$del, @$internal_del);
+
+ foreach my $file (@$changed) {
+ render($file, sprintf(gettext("building %s"), $file));
+ }
+ foreach my $file (@$internal_new, @$internal_del, @$internal_changed) {
+ derender_internal($file);
+ }
+
+ my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
+ $del, $oldlink_targets);
+
+ foreach my $file (@$new, @$del) {
+ render_linkers($file);
+ }
+
+ if (@$changed || @$internal_changed ||
+ @$del || @$internal_del || @$internal_new) {
+ 1 while render_dependent($files, $new, $internal_new,
+ $del, $internal_del, $internal_changed,
+ $linkchangers);
+ }
+
+ render_backlinks($backlinkchanged);
+ remove_unrendered();
+
+ if (@$del) {
+ run_hooks(delete => sub { shift->(@$del) });
}
if (%rendered) {
run_hooks(change => sub { shift->(keys %rendered) });
}
- run_hooks(postrefresh => sub { shift->() });
+}
+
+sub clean_rendered {
+ lockwiki();
+ loadindex();
+ remove_unrendered();
+ foreach my $page (keys %oldrenderedfiles) {
+ foreach my $file (@{$oldrenderedfiles{$page}}) {
+ prune($config{destdir}."/".$file);
+ }
+ }
}
sub commandline_render () {