diff options
Diffstat (limited to 'IkiWiki/Render.pm')
| -rw-r--r-- | IkiWiki/Render.pm | 355 |
1 files changed, 231 insertions, 124 deletions
diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm index a8236b954..0fe20c64f 100644 --- a/IkiWiki/Render.pm +++ b/IkiWiki/Render.pm @@ -7,7 +7,7 @@ use strict; use IkiWiki; use Encode; -my %backlinks; +my (%backlinks, %rendered); our %brokenlinks; my $links_calculated=0; @@ -147,6 +147,8 @@ sub genpage ($$) { sub scan ($) { my $file=shift; + debug(sprintf(gettext("scanning %s"), $file)); + my $type=pagetype($file); if (defined $type) { my $srcfile=srcfile($file); @@ -202,8 +204,11 @@ sub fast_file_copy (@) { } } -sub render ($) { +sub render ($$) { my $file=shift; + return if $rendered{$file}; + debug(shift); + $rendered{$file}=1; my $type=pagetype($file); my $srcfile=srcfile($file); @@ -273,7 +278,8 @@ sub srcdir_check () { } sub find_src_files () { - my (@files, %pages); + my @files; + my %pages; eval q{use File::Find}; error($@) if $@; find({ @@ -334,19 +340,14 @@ sub find_src_files () { }, }, $dir); }; - - # Returns a list of all source files found, and a hash of - # the corresponding page names. return \@files, \%pages; } -sub refresh () { - srcdir_check(); - run_hooks(refresh => sub { shift->() }); - my ($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) { @@ -356,10 +357,10 @@ sub refresh () { $pagesources{$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}/$file"); @@ -376,10 +377,19 @@ sub refresh () { } } } + + return \@new, \@internal_new; +} + +sub find_del_files ($) { + 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"), $page)); @@ -400,8 +410,13 @@ sub refresh () { } } - # find changed and new files - my @needsbuild; + return \@del, \@internal_del; +} + +sub find_changed ($) { + my $files=shift; + my @changed; + my @internal_changed; foreach my $file (@$files) { my $page=pagename($file); my ($srcfile, @stat)=srcfile_stat($file); @@ -409,150 +424,242 @@ sub refresh () { $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 ($$) { + my ($changed, $del)=@_; + my %oldlink_targets; + foreach my $file (@$changed, @$del) { my $page=pagename($file); - delete $depends{$page}; - delete $depends_simple{$page}; - foreach my $old (@{$renderedfiles{$page}}) { - delete $destsources{$old}; + if (exists $oldlinks{$page}) { + foreach my $l (@{$oldlinks{$page}}) { + $oldlink_targets{$page}{$l}=bestlink($page, $l); + } } - $renderedfiles{$page}=[]; } - - # rebuild pages that link to added or removed pages - if (@add || @del) { - foreach my $f (@add, @del) { - my $p=pagename($f); - foreach my $page (keys %{$backlinks{$p}}) { - my $file=$pagesources{$page}; - next if $rendered{$file}; - debug(sprintf(gettext("building %s, which links to %s"), $file, $p)); - render($file); - $rendered{$file}=1; + return \%oldlink_targets; +} + +sub derender_internal ($) { + my $file=shift; + my $page=pagename($file); + delete $depends{$page}; + delete $depends_simple{$page}; + foreach my $old (@{$renderedfiles{$page}}) { + delete $destsources{$old}; + } + $renderedfiles{$page}=[]; +} + +sub render_linkers ($) { + my $f=shift; + my $p=pagename($f); + foreach my $page (keys %{$backlinks{$p}}) { + my $file=$pagesources{$page}; + render($file, sprintf(gettext("building %s, which links to %s"), $file, $p)); + } +} + +sub remove_unrendered () { + foreach my $src (keys %rendered) { + my $page=pagename($src); + foreach my $file (@{$oldrenderedfiles{$page}}) { + if (! grep { $_ eq $file } @{$renderedfiles{$page}}) { + debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page)); + prune($config{destdir}."/".$file); } } } +} - if (%rendered || @del || @internal) { - my @changed=(keys %rendered, @del); +sub calculate_changed_links ($$$) { + my ($changed, $del, $oldlink_targets)=@_; - my %lcchanged = map { lc(pagename($_)) => 1 } @changed; - - # rebuild dependant pages - foreach my $f (@$files) { - next if $rendered{$f}; - my $p=pagename($f); - my $reason = undef; + my (%backlinkchanged, %linkchangers); - if (exists $depends_simple{$p}) { - foreach my $d (keys %{$depends_simple{$p}}) { - if (exists $lcchanged{$d}) { - $reason = $d; - last; - } + 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; + } + } - 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 if $@ || ! 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); + } + + calculate_links(); + + 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 (@$del) { + run_hooks(delete => sub { shift->(@$del) }); } if (%rendered) { run_hooks(change => sub { shift->(keys %rendered) }); |