use Encode;
my %backlinks;
-my $backlinks_calculated=0;
+our %brokenlinks;
+my $links_calculated=0;
-sub calculate_backlinks () {
- return if $backlinks_calculated;
- %backlinks=();
+sub calculate_links () {
+ return if $links_calculated;
+ %backlinks=%brokenlinks=();
foreach my $page (keys %links) {
foreach my $link (@{$links{$page}}) {
my $bestlink=bestlink($page, $link);
- if (length $bestlink && $bestlink ne $page) {
- $backlinks{$bestlink}{$page}=1;
+ if (length $bestlink) {
+ $backlinks{$bestlink}{$page}=1
+ if $bestlink ne $page;
+ }
+ else {
+ push @{$brokenlinks{$link}}, $page;
}
}
}
- $backlinks_calculated=1;
+ $links_calculated=1;
}
sub backlink_pages ($) {
my $page=shift;
- calculate_backlinks();
+ calculate_links();
return keys %{$backlinks{$page}};
}
$actions++;
}
if ($config{discussion}) {
- my $discussionlink=lc(gettext("Discussion"));
- if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+ if ($page !~ /.*\/\Q$config{discussionpage}\E$/ &&
(length $config{cgiurl} ||
- exists $links{$page."/".$discussionlink})) {
- $template->param(discussionlink => htmllink($page, $page, gettext("Discussion"), noimageinline => 1, forcesubpage => 1));
+ exists $links{$page."/".$config{discussionpage}})) {
+ $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
$actions++;
}
}
if ($config{discussion}) {
# Discussion links are a special case since they're
# not in the text of the page, but on its template.
- $links{$page}=[ $page."/".lc(gettext("Discussion")) ];
+ $links{$page}=[ $page."/".lc($config{discussionpage}) ];
}
else {
$links{$page}=[];
if (defined $type) {
my $page=pagename($file);
delete $depends{$page};
+ delete $depends_simple{$page};
will_render($page, htmlpage($page), 1);
return if $type=~/^_/;
}
else {
delete $depends{$file};
+ delete $depends_simple{$file};
will_render($file, $file, 1);
if ($config{hardlink}) {
run_hooks(refresh => sub { shift->() });
my ($files, $exists)=find_src_files();
- my (%rendered, @add, @del, @internal);
+ my (%rendered, @add, @del, @internal, @internal_change);
+
# check for added or removed pages
foreach my $file (@$files) {
my $page=pagename($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_change, $file;
}
else {
push @needsbuild, $file;
}
run_hooks(needsbuild => sub { shift->(\@needsbuild) });
- # scan and render files
+ # before scanning, make a note of where pages'
+ # old links pointed
+ my %oldlink_targets;
+ foreach my $file (@needsbuild, @del) {
+ my $page=pagename($file);
+ if (exists $oldlinks{$page}) {
+ foreach my $l (@{$oldlinks{$page}}) {
+ $oldlink_targets{$page}{$l}=bestlink($page, $l);
+ }
+ }
+ }
+
+ # scan and render changed files
foreach my $file (@needsbuild) {
debug(sprintf(gettext("scanning %s"), $file));
scan($file);
}
- calculate_backlinks();
+ calculate_links();
foreach my $file (@needsbuild) {
debug(sprintf(gettext("building %s"), $file));
render($file);
$rendered{$file}=1;
}
- foreach my $file (@internal) {
+ foreach my $file (@internal, @internal_change) {
# internal pages are not rendered
my $page=pagename($file);
delete $depends{$page};
+ delete $depends_simple{$page};
foreach my $old (@{$renderedfiles{$page}}) {
delete $destsources{$old};
}
}
}
}
-
- if (%rendered || @del || @internal) {
+
+ # determine which links, on what pages, have changed
+ my %backlinkchanged;
+ my %linkchangers;
+ foreach my $file (@needsbuild, @del) {
+ my $page=pagename($file);
+ my %link_targets;
+ 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}) {
+ $backlinkchanged{$l}=1;
+ $linkchangers{lc($page)}=1;
+ }
+ delete $oldlink_targets{$page}{$l};
+ }
+ }
+ if (exists $oldlink_targets{$page} &&
+ %{$oldlink_targets{$page}}) {
+ foreach my $target (keys %{$oldlink_targets{$page}}) {
+ $backlinkchanged{$target}=1;
+ }
+ $linkchangers{lc($page)}=1;
+ }
+ }
+ %oldlink_targets=();
+
+ # rebuild dependant pages, recursively
+ my $deps=(@needsbuild || @del || @internal || @internal_change);
+ do {
+ $deps=0;
my @changed=(keys %rendered, @del);
-
- # rebuild dependant pages
+ my @exists_changed=(@add, @del);
+
+ my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
+ my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
+
foreach my $f (@$files) {
next if $rendered{$f};
my $p=pagename($f);
- if (exists $depends{$p}) {
- # only consider internal files
- # if the page explicitly depends on such files
- foreach my $file (@changed, $depends{$p}=~/internal\(/ ? @internal : ()) {
- next if $f eq $file;
- my $page=pagename($file);
- if (pagespec_match($page, $depends{$p}, location => $p)) {
- debug(sprintf(gettext("building %s, which depends on %s"), $f, $page));
- render($f);
- $rendered{$f}=1;
+ 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;
}
}
}
- }
-
- # 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 (exists $depends{$p} && ! defined $reason) {
+ D: foreach my $d (keys %{$depends{$p}}) {
+ my $sub=pagespec_translate($d);
+ next if $@ || ! defined $sub;
+
+ # only consider internal files
+ # if the page explicitly depends
+ # on such files
+ my $internal_dep=$d =~ /internal\(/;
+
+ my @candidates;
+ if ($depends{$p}{$d} & $IkiWiki::DEPEND_PRESENCE) {
+ @candidates=@exists_changed;
+ push @candidates, @internal
+ if $internal_dep;
}
- }
- }
- 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}{$d} & ($IkiWiki::DEPEND_CONTENT | $IkiWiki::DEPEND_LINKS))) {
+ @candidates=@changed;
+ push @candidates, @internal, @internal_change
+ if $internal_dep;
+ }
+
+ foreach my $file (@candidates) {
+ next if $file eq $f;
+ my $page=pagename($file);
+ if ($sub->($page, location => $p)) {
+ if ($depends{$p}{$d} & $IkiWiki::DEPEND_LINKS) {
+ next unless $linkchangers{lc($page)};
+ }
+ $reason = $page;
+ last D;
+ }
}
}
}
- }
-
- 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) {
+ debug(sprintf(gettext("building %s, which depends on %s"), $f, $reason));
+ render($f);
+ $rendered{$f}=1;
+ $deps=1;
+ last;
}
}
+ } while $deps;
+
+ # update backlinks
+ foreach my $link (keys %backlinkchanged) {
+ 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;
+ }
}
# remove no longer rendered files
if (%rendered) {
run_hooks(change => sub { shift->(keys %rendered) });
}
- run_hooks(postrefresh => sub { shift->() });
}
sub commandline_render () {