X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/6652de5e1abcaac3ee2f4bf17e5a4b847fcadb0d..4a5fb91974d06ee2d6c36cf887ef3b6acaa1a330:/IkiWiki.pm?ds=inline diff --git a/IkiWiki.pm b/IkiWiki.pm index 443a88044..dcb68bca6 100644 --- a/IkiWiki.pm +++ b/IkiWiki.pm @@ -3,53 +3,105 @@ package IkiWiki; use warnings; use strict; -use File::Spec; -use HTML::Template; - -use vars qw{%config %links %oldlinks %oldpagemtime %pagectime - %renderedfiles %pagesources %depends %hooks}; +use Encode; +use HTML::Entities; +use open qw{:utf8 :std}; + +use vars qw{%config %links %oldlinks %oldpagemtime %pagectime %pagecase + %renderedfiles %oldrenderedfiles %pagesources %depends %hooks + %forcerebuild $gettext_obj}; + +use Exporter q{import}; +our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match + bestlink htmllink readfile writefile pagetype srcfile pagename + displaytime will_render gettext + %config %links %renderedfiles %pagesources); +our $VERSION = 1.02; # plugin interface version, next is ikiwiki version +our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE +my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE + +# Optimisation. +use Memoize; +memoize("abs2rel"); +memoize("pagespec_translate"); +memoize("file_pruned"); sub defaultconfig () { #{{{ - wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$|\.rss$)}, - wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/, - wiki_processor_regexp => qr/\[\[(\w+)\s+([^\]]*)\]\]/, + wiki_file_prune_regexps => [qr/\.\./, qr/^\./, qr/\/\./, + qr/\.x?html?$/, qr/\.ikiwiki-new$/, + qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//], + wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]#]+)(?:#([^\s\]]+))?\]\]/, wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/, + web_commit_regexp => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/, verbose => 0, + syslog => 0, wikiname => "wiki", - default_pageext => ".mdwn", + default_pageext => "mdwn", cgi => 0, - rcs => 'svn', + post_commit => 0, + rcs => '', notify => 0, url => '', cgiurl => '', historyurl => '', diffurl => '', - anonok => 0, rss => 0, + atom => 0, + discussion => 1, rebuild => 0, refresh => 0, getctime => 0, + w3mmode => 0, wrapper => undef, wrappermode => undef, svnrepo => undef, svnpath => "trunk", + gitorigin_branch => "origin", + gitmaster_branch => "master", srcdir => undef, destdir => undef, - templatedir => "/usr/share/ikiwiki/templates", - underlaydir => "/usr/share/ikiwiki/basewiki", + pingurl => [], + templatedir => "$installdir/share/ikiwiki/templates", + underlaydir => "$installdir/share/ikiwiki/basewiki", setup => undef, adminuser => undef, adminemail => undef, - plugin => [qw{inline htmlscrubber}], - headercontent => '', + plugin => [qw{mdwn inline htmlscrubber passwordauth signinedit + lockedit conditional}], + timeformat => '%c', + locale => undef, + sslcookie => 0, + httpauth => 0, + userdir => "", } #}}} - + sub checkconfig () { #{{{ - if ($config{cgi} && ! length $config{url}) { - error("Must specify url to wiki with --url when using --cgi\n"); + # locale stuff; avoid LC_ALL since it overrides everything + if (defined $ENV{LC_ALL}) { + $ENV{LANG} = $ENV{LC_ALL}; + delete $ENV{LC_ALL}; + } + if (defined $config{locale}) { + eval q{use POSIX}; + error($@) if $@; + if (POSIX::setlocale(&POSIX::LC_ALL, $config{locale})) { + $ENV{LANG}=$config{locale}; + $gettext_obj=undef; + } } - if ($config{rss} && ! length $config{url}) { - error("Must specify url to wiki with --url when using --rss\n"); + + if ($config{w3mmode}) { + eval q{use Cwd q{abs_path}}; + error($@) if $@; + $config{srcdir}=possibly_foolish_untaint(abs_path($config{srcdir})); + $config{destdir}=possibly_foolish_untaint(abs_path($config{destdir})); + $config{cgiurl}="file:///\$LIB/ikiwiki-w3m.cgi/".$config{cgiurl} + unless $config{cgiurl} =~ m!file:///!; + $config{url}="file://".$config{destdir}; + } + + if ($config{cgi} && ! length $config{url}) { + error(gettext("Must specify url to wiki with --url when using --cgi")); } $config{wikistatedir}="$config{srcdir}/.ikiwiki" @@ -65,32 +117,68 @@ sub checkconfig () { #{{{ require IkiWiki::Rcs::Stub; } - foreach my $plugin (@{$config{plugin}}) { - my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin); - eval qq{use $mod}; - if ($@) { - error("Failed to load plugin $mod: $@"); - } + run_hooks(checkconfig => sub { shift->() }); +} #}}} + +sub loadplugins () { #{{{ + loadplugin($_) foreach @{$config{plugin}}; + + run_hooks(getopt => sub { shift->() }); + if (grep /^-/, @ARGV) { + print STDERR "Unknown option: $_\n" + foreach grep /^-/, @ARGV; + usage(); } +} #}}} - if (exists $hooks{checkconfig}) { - foreach my $id (keys %{$hooks{checkconfig}}) { - $hooks{checkconfig}{$id}{call}->(); - } - } +sub loadplugin ($) { #{{{ + my $plugin=shift; + + return if grep { $_ eq $plugin} @{$config{disable_plugins}}; + + my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin); + eval qq{use $mod}; + if ($@) { + error("Failed to load plugin $mod: $@"); + } } #}}} -sub error ($) { #{{{ +sub error ($;$) { #{{{ + my $message=shift; + my $cleaner=shift; if ($config{cgi}) { print "Content-type: text/html\n\n"; - print misctemplate("Error", "

Error: @_

"); + print misctemplate(gettext("Error"), + "

".gettext("Error").": $message

"); + } + log_message(debug => $message) if $config{syslog}; + if (defined $cleaner) { + $cleaner->(); } - die @_; + die $message."\n"; } #}}} sub debug ($) { #{{{ return unless $config{verbose}; - if (! $config{cgi}) { + log_message(debug => @_); +} #}}} + +my $log_open=0; +sub log_message ($$) { #{{{ + my $type=shift; + + if ($config{syslog}) { + require Sys::Syslog; + unless ($log_open) { + Sys::Syslog::setlogsock('unix'); + Sys::Syslog::openlog('ikiwiki', '', 'user'); + $log_open=1; + } + eval { + Sys::Syslog::syslog($type, "%s", join(" ", @_)); + } + } + elsif (! $config{cgi}) { print "@_\n"; } else { @@ -121,12 +209,10 @@ sub dirname ($) { #{{{ sub pagetype ($) { #{{{ my $page=shift; - if ($page =~ /\.mdwn$/) { - return ".mdwn"; - } - else { - return "unknown"; + if ($page =~ /\.([^.]+)$/) { + return $1 if exists $hooks{htmlize}{$1}; } + return undef; } #}}} sub pagename ($) { #{{{ @@ -134,7 +220,7 @@ sub pagename ($) { #{{{ my $type=pagetype($file); my $page=$file; - $page=~s/\Q$type\E*$// unless $type eq 'unknown'; + $page=~s/\Q.$type\E*$// if defined $type; return $page; } #}}} @@ -152,9 +238,10 @@ sub srcfile ($) { #{{{ error("internal error: $file cannot be found"); } #}}} -sub readfile ($;$) { #{{{ +sub readfile ($;$$) { #{{{ my $file=shift; my $binary=shift; + my $wantfd=shift; if (-l $file) { error("cannot read a symlink ($file)"); @@ -162,17 +249,19 @@ sub readfile ($;$) { #{{{ local $/=undef; open (IN, $file) || error("failed to read $file: $!"); - binmode(IN) if $binary; + binmode(IN) if ($binary); + return \*IN if $wantfd; my $ret=; - close IN; + close IN || error("failed to read $file: $!"); return $ret; } #}}} -sub writefile ($$$;$) { #{{{ +sub writefile ($$$;$$) { #{{{ my $file=shift; # can include subdirs my $destdir=shift; # directory to put file in my $content=shift; my $binary=shift; + my $writer=shift; my $test=$file; while (length $test) { @@ -181,8 +270,12 @@ sub writefile ($$$;$) { #{{{ } $test=dirname($test); } + my $newfile="$destdir/$file.ikiwiki-new"; + if (-l $newfile) { + error("cannot write to a symlink ($newfile)"); + } - my $dir=dirname("$destdir/$file"); + my $dir=dirname($newfile); if (! -d $dir) { my $d=""; foreach my $s (split(m!/+!, $dir)) { @@ -192,34 +285,71 @@ sub writefile ($$$;$) { #{{{ } } } - - open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!"); - binmode(OUT) if $binary; - print OUT $content; - close OUT; + + my $cleanup = sub { unlink($newfile) }; + open (OUT, ">$newfile") || error("failed to write $newfile: $!", $cleanup); + binmode(OUT) if ($binary); + if ($writer) { + $writer->(\*OUT, $cleanup); + } + else { + if (length $content) { + print OUT $content || error("failed writing to $newfile: $!", $cleanup); + } + } + close OUT || error("failed saving $newfile: $!", $cleanup); + rename($newfile, "$destdir/$file") || + error("failed renaming $newfile to $destdir/$file: $!", $cleanup); +} #}}} + +my %cleared; +sub will_render ($$;$) { #{{{ + my $page=shift; + my $dest=shift; + my $clear=shift; + + # Important security check. + if (-e "$config{destdir}/$dest" && ! $config{rebuild} && + ! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}})) { + error("$config{destdir}/$dest independently created, not overwriting with version from $page"); + } + + if (! $clear || $cleared{$page}) { + $renderedfiles{$page}=[$dest, grep { $_ ne $dest } @{$renderedfiles{$page}}]; + } + else { + $renderedfiles{$page}=[$dest]; + $cleared{$page}=1; + } } #}}} sub bestlink ($$) { #{{{ - # Given a page and the text of a link on the page, determine which - # existing page that link best points to. Prefers pages under a - # subdirectory with the same name as the source page, failing that - # goes down the directory tree to the base looking for matching - # pages. my $page=shift; - my $link=lc(shift); + my $link=shift; my $cwd=$page; + if ($link=~s/^\/+//) { + # absolute links + $cwd=""; + } + do { my $l=$cwd; $l.="/" if length $l; $l.=$link; if (exists $links{$l}) { - #debug("for $page, \"$link\", use $l"); return $l; } + elsif (exists $pagecase{lc $l}) { + return $pagecase{lc $l}; + } } while $cwd=~s!/?[^/]+$!!; + if (length $config{userdir} && exists $links{"$config{userdir}/".lc($link)}) { + return "$config{userdir}/".lc($link); + } + #print STDERR "warning: page $page, broken link: $link\n"; return ""; } #}}} @@ -230,10 +360,18 @@ sub isinlinableimage ($) { #{{{ $file=~/\.(png|gif|jpg|jpeg)$/i; } #}}} -sub pagetitle ($) { #{{{ +sub pagetitle ($;$) { #{{{ my $page=shift; - $page=~s/__(\d+)__/&#$1;/g; + my $unescaped=shift; + + if ($unescaped) { + $page=~s/__(\d+)__/chr($1)/eg; + } + else { + $page=~s/__(\d+)__/&#$1;/g; + } $page=~y/_/ /; + return $page; } #}}} @@ -250,56 +388,208 @@ sub cgiurl (@) { #{{{ return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params); } #}}} -sub styleurl (;$) { #{{{ +sub baseurl (;$) { #{{{ my $page=shift; - return "$config{url}/style.css" if ! defined $page; + return "$config{url}/" if ! defined $page; $page=~s/[^\/]+$//; $page=~s/[^\/]+\//..\//g; - return $page."style.css"; + return $page; } #}}} -sub htmllink ($$;$$$) { #{{{ - my $page=shift; +sub abs2rel ($$) { #{{{ + # Work around very innefficient behavior in File::Spec if abs2rel + # is passed two relative paths. It's much faster if paths are + # absolute! (Debian bug #376658; fixed in debian unstable now) + my $path="/".shift; + my $base="/".shift; + + require File::Spec; + my $ret=File::Spec->abs2rel($path, $base); + $ret=~s/^// if defined $ret; + return $ret; +} #}}} + +sub displaytime ($) { #{{{ + my $time=shift; + + eval q{use POSIX}; + error($@) if $@; + # strftime doesn't know about encodings, so make sure + # its output is properly treated as utf8 + return decode_utf8(POSIX::strftime( + $config{timeformat}, localtime($time))); +} #}}} + +sub htmllink ($$$;@) { #{{{ + my $lpage=shift; # the page doing the linking + my $page=shift; # the page that will contain the link (different for inline) my $link=shift; - my $noimageinline=shift; # don't turn links into inline html images - my $forcesubpage=shift; # force a link to a subpage - my $linktext=shift; # set to force the link text to something + my %opts=@_; my $bestlink; - if (! $forcesubpage) { - $bestlink=bestlink($page, $link); + if (! $opts{forcesubpage}) { + $bestlink=bestlink($lpage, $link); } else { - $bestlink="$page/".lc($link); + $bestlink="$lpage/".lc($link); } - $linktext=pagetitle(basename($link)) unless defined $linktext; + my $linktext; + if (defined $opts{linktext}) { + $linktext=$opts{linktext}; + } + else { + $linktext=pagetitle(basename($link)); + } - return $linktext if length $bestlink && $page eq $bestlink; + return "$linktext" + if length $bestlink && $page eq $bestlink; - # TODO BUG: %renderedfiles may not have it, if the linked to page - # was also added and isn't yet rendered! Note that this bug is - # masked by the bug mentioned below that makes all new files - # be rendered twice. - if (! grep { $_ eq $bestlink } values %renderedfiles) { + if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) { $bestlink=htmlpage($bestlink); } - if (! grep { $_ eq $bestlink } values %renderedfiles) { + if (! grep { $_ eq $bestlink } map { @{$_} } values %renderedfiles) { + return $linktext unless length $config{cgiurl}; return " "create", page => $link, from =>$page). + cgiurl(do => "create", page => lc($link), from => $page). "\">?$linktext" } - $bestlink=File::Spec->abs2rel($bestlink, dirname($page)); + $bestlink=abs2rel($bestlink, dirname($page)); - if (! $noimageinline && isinlinableimage($bestlink)) { + if (! $opts{noimageinline} && isinlinableimage($bestlink)) { return "\"$linktext\""; } + + if (defined $opts{anchor}) { + $bestlink.="#".$opts{anchor}; + } + return "$linktext"; } #}}} +sub htmlize ($$$) { #{{{ + my $page=shift; + my $type=shift; + my $content=shift; + + if (exists $hooks{htmlize}{$type}) { + $content=$hooks{htmlize}{$type}{call}->( + page => $page, + content => $content, + ); + } + else { + error("htmlization of $type not supported"); + } + + run_hooks(sanitize => sub { + $content=shift->( + page => $page, + content => $content, + ); + }); + + return $content; +} #}}} + +sub linkify ($$$) { #{{{ + my $lpage=shift; # the page containing the links + my $page=shift; # the page the link will end up on (different for inline) + my $content=shift; + + $content =~ s{(\\?)$config{wiki_link_regexp}}{ + defined $2 + ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), anchor => $4, linktext => pagetitle($2))) + : ( $1 ? "[[$3]]" : htmllink($lpage, $page, titlepage($3), anchor => $4)) + }eg; + + return $content; +} #}}} + +my %preprocessing; +sub preprocess ($$$;$) { #{{{ + my $page=shift; # the page the data comes from + my $destpage=shift; # the page the data will appear in (different for inline) + my $content=shift; + my $scan=shift; + + my $handle=sub { + my $escape=shift; + my $command=shift; + my $params=shift; + if (length $escape) { + return "[[$command $params]]"; + } + elsif (exists $hooks{preprocess}{$command}) { + return "" if $scan && ! $hooks{preprocess}{$command}{scan}; + # Note: preserve order of params, some plugins may + # consider it significant. + my @params; + while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) { + my $key=$1; + my $val; + if (defined $2) { + $val=$2; + $val=~s/\r\n/\n/mg; + $val=~s/^\n+//g; + $val=~s/\n+$//g; + } + elsif (defined $3) { + $val=$3; + } + elsif (defined $4) { + $val=$4; + } + + if (defined $key) { + push @params, $key, $val; + } + else { + push @params, $val, ''; + } + } + if ($preprocessing{$page}++ > 3) { + # Avoid loops of preprocessed pages preprocessing + # other pages that preprocess them, etc. + #translators: The first parameter is a + #translators: preprocessor directive name, + #translators: the second a page name, the + #translators: third a number. + return "[[".sprintf(gettext("%s preprocessing loop detected on %s at depth %i"), + $command, $page, $preprocessing{$page}). + "]]"; + } + my $ret=$hooks{preprocess}{$command}{call}->( + @params, + page => $page, + destpage => $destpage, + ); + $preprocessing{$page}--; + return $ret; + } + else { + return "[[$command $params]]"; + } + }; + + $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg; + return $content; +} #}}} + +sub filter ($$) { #{{{ + my $page=shift; + my $content=shift; + + run_hooks(filter => sub { + $content=shift->(page => $page, content => $content); + }); + + return $content; +} #}}} + sub indexlink () { #{{{ return "$config{wikiname}"; } #}}} @@ -312,11 +602,11 @@ sub lockwiki () { #{{{ } open(WIKILOCK, ">$config{wikistatedir}/lockfile") || error ("cannot write to $config{wikistatedir}/lockfile: $!"); - if (! flock(WIKILOCK, 2 | 4)) { + if (! flock(WIKILOCK, 2 | 4)) { # LOCK_EX | LOCK_NB debug("wiki seems to be locked, waiting for lock"); my $wait=600; # arbitrary, but don't hang forever to # prevent process pileup - for (1..600) { + for (1..$wait) { return if flock(WIKILOCK, 2 | 4); sleep 1; } @@ -328,6 +618,29 @@ sub unlockwiki () { #{{{ close WIKILOCK; } #}}} +sub commit_hook_enabled () { #{{{ + open(COMMITLOCK, "+>$config{wikistatedir}/commitlock") || + error ("cannot write to $config{wikistatedir}/commitlock: $!"); + if (! flock(COMMITLOCK, 1 | 4)) { # LOCK_SH | LOCK_NB to test + close COMMITLOCK; + return 0; + } + close COMMITLOCK; + return 1; +} #}}} + +sub disable_commit_hook () { #{{{ + open(COMMITLOCK, ">$config{wikistatedir}/commitlock") || + error ("cannot write to $config{wikistatedir}/commitlock: $!"); + if (! flock(COMMITLOCK, 2)) { # LOCK_EX + error("failed to get commit lock"); + } +} #}}} + +sub enable_commit_hook () { #{{{ + close COMMITLOCK; +} #}}} + sub loadindex () { #{{{ open (IN, "$config{wikistatedir}/index") || return; while () { @@ -335,9 +648,10 @@ sub loadindex () { #{{{ chomp; my %items; $items{link}=[]; + $items{dest}=[]; foreach my $i (split(/ /, $_)) { my ($item, $val)=split(/=/, $i, 2); - push @{$items{$item}}, $val; + push @{$items{$item}}, decode_entities($val); } next unless exists $items{src}; # skip bad lines for now @@ -348,9 +662,10 @@ sub loadindex () { #{{{ $oldpagemtime{$page}=$items{mtime}[0]; $oldlinks{$page}=[@{$items{link}}]; $links{$page}=[@{$items{link}}]; - $depends{$page}=join(" ", @{$items{depends}}) - if exists $items{depends}; - $renderedfiles{$page}=$items{dest}[0]; + $depends{$page}=$items{depends}[0] if exists $items{depends}; + $renderedfiles{$page}=[@{$items{dest}}]; + $oldrenderedfiles{$page}=[@{$items{dest}}]; + $pagecase{lc $page}=$page; } $pagectime{$page}=$items{ctime}[0]; } @@ -358,81 +673,337 @@ sub loadindex () { #{{{ } #}}} sub saveindex () { #{{{ + run_hooks(savestate => sub { shift->() }); + if (! -d $config{wikistatedir}) { mkdir($config{wikistatedir}); } - open (OUT, ">$config{wikistatedir}/index") || - error("cannot write to $config{wikistatedir}/index: $!"); + my $newfile="$config{wikistatedir}/index.new"; + my $cleanup = sub { unlink($newfile) }; + open (OUT, ">$newfile") || error("cannot write to $newfile: $!", $cleanup); foreach my $page (keys %oldpagemtime) { next unless $oldpagemtime{$page}; my $line="mtime=$oldpagemtime{$page} ". "ctime=$pagectime{$page} ". - "src=$pagesources{$page} ". - "dest=$renderedfiles{$page}"; - $line.=" link=$_" foreach @{$links{$page}}; + "src=$pagesources{$page}"; + $line.=" dest=$_" foreach @{$renderedfiles{$page}}; + my %count; + $line.=" link=$_" foreach grep { ++$count{$_} == 1 } @{$links{$page}}; if (exists $depends{$page}) { - $line.=" depends=$_" foreach split " ", $depends{$page}; + $line.=" depends=".encode_entities($depends{$page}, " \t\n"); } - print OUT $line."\n"; + print OUT $line."\n" || error("failed writing to $newfile: $!", $cleanup); + } + close OUT || error("failed saving to $newfile: $!", $cleanup); + rename($newfile, "$config{wikistatedir}/index") || + error("failed renaming $newfile to $config{wikistatedir}/index", $cleanup); +} #}}} + +sub template_file ($) { #{{{ + my $template=shift; + + foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") { + return "$dir/$template" if -e "$dir/$template"; } - close OUT; + return undef; } #}}} -sub misctemplate ($$) { #{{{ +sub template_params (@) { #{{{ + my $filename=template_file(shift); + + if (! defined $filename) { + return if wantarray; + return ""; + } + + require HTML::Template; + my @ret=( + filter => sub { + my $text_ref = shift; + $$text_ref=&Encode::decode_utf8($$text_ref); + }, + filename => $filename, + loop_context_vars => 1, + die_on_bad_params => 0, + @_ + ); + return wantarray ? @ret : {@ret}; +} #}}} + +sub template ($;@) { #{{{ + HTML::Template->new(template_params(@_)); +} #}}} + +sub misctemplate ($$;@) { #{{{ my $title=shift; my $pagebody=shift; - my $template=HTML::Template->new( - filename => "$config{templatedir}/misc.tmpl" - ); + my $template=template("misc.tmpl"); $template->param( title => $title, indexlink => indexlink(), wikiname => $config{wikiname}, pagebody => $pagebody, - styleurl => styleurl(), - baseurl => "$config{url}/", + baseurl => baseurl(), + @_, ); + run_hooks(pagetemplate => sub { + shift->(page => "", destpage => "", template => $template); + }); return $template->output; }#}}} -sub glob_match ($$) { #{{{ +sub hook (@) { # {{{ + my %param=@_; + + if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { + error "hook requires type, call, and id parameters"; + } + + return if $param{no_override} && exists $hooks{$param{type}}{$param{id}}; + + $hooks{$param{type}}{$param{id}}=\%param; +} # }}} + +sub run_hooks ($$) { # {{{ + # Calls the given sub for each hook of the given type, + # passing it the hook function to call. + my $type=shift; + my $sub=shift; + + if (exists $hooks{$type}) { + my @deferred; + foreach my $id (keys %{$hooks{$type}}) { + if ($hooks{$type}{$id}{last}) { + push @deferred, $id; + next; + } + $sub->($hooks{$type}{$id}{call}); + } + foreach my $id (@deferred) { + $sub->($hooks{$type}{$id}{call}); + } + } +} #}}} + +sub globlist_to_pagespec ($) { #{{{ + my @globlist=split(' ', shift); + + my (@spec, @skip); + foreach my $glob (@globlist) { + if ($glob=~/^!(.*)/) { + push @skip, $glob; + } + else { + push @spec, $glob; + } + } + + my $spec=join(" or ", @spec); + if (@skip) { + my $skip=join(" and ", @skip); + if (length $spec) { + $spec="$skip and ($spec)"; + } + else { + $spec=$skip; + } + } + return $spec; +} #}}} + +sub is_globlist ($) { #{{{ + my $s=shift; + $s=~/[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or"; +} #}}} + +sub safequote ($) { #{{{ + my $s=shift; + $s=~s/[{}]//g; + return "q{$s}"; +} #}}} + +sub add_depends ($$) { #{{{ + my $page=shift; + my $pagespec=shift; + + if (! exists $depends{$page}) { + $depends{$page}=$pagespec; + } + else { + $depends{$page}=pagespec_merge($depends{$page}, $pagespec); + } +} # }}} + +sub file_pruned ($$) { #{{{ + require File::Spec; + my $file=File::Spec->canonpath(shift); + my $base=File::Spec->canonpath(shift); + $file=~s#^\Q$base\E/*##; + + my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')'; + $file =~ m/$regexp/; +} #}}} + +sub gettext { #{{{ + # Only use gettext in the rare cases it's needed. + if (exists $ENV{LANG} || exists $ENV{LC_ALL} || exists $ENV{LC_MESSAGES}) { + if (! $gettext_obj) { + $gettext_obj=eval q{ + use Locale::gettext q{textdomain}; + Locale::gettext->domain('ikiwiki') + }; + if ($@) { + print STDERR "$@"; + $gettext_obj=undef; + return shift; + } + } + return $gettext_obj->get(shift); + } + else { + return shift; + } +} #}}} + +sub pagespec_merge ($$) { #{{{ + my $a=shift; + my $b=shift; + + return $a if $a eq $b; + + # Support for old-style GlobLists. + if (is_globlist($a)) { + $a=globlist_to_pagespec($a); + } + if (is_globlist($b)) { + $b=globlist_to_pagespec($b); + } + + return "($a) or ($b)"; +} #}}} + +sub pagespec_translate ($) { #{{{ + # This assumes that $page is in scope in the function + # that evalulates the translated pagespec code. + my $spec=shift; + + # Support for old-style GlobLists. + if (is_globlist($spec)) { + $spec=globlist_to_pagespec($spec); + } + + # Convert spec to perl code. + my $code=""; + while ($spec=~m/\s*(\!|\(|\)|\w+\([^\)]+\)|[^\s()]+)\s*/ig) { + my $word=$1; + if (lc $word eq "and") { + $code.=" &&"; + } + elsif (lc $word eq "or") { + $code.=" ||"; + } + elsif ($word eq "(" || $word eq ")" || $word eq "!") { + $code.=" ".$word; + } + elsif ($word =~ /^(\w+)\((.*)\)$/) { + if (exists $IkiWiki::PageSpec::{"match_$1"}) { + $code.=" IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).")"; + } + else { + $code.=" 0"; + } + } + else { + $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \$from)"; + } + } + + return $code; +} #}}} + +sub pagespec_match ($$;$) { #{{{ + my $page=shift; + my $spec=shift; + my $from=shift; + + return eval pagespec_translate($spec); +} #}}} + +package IkiWiki::PageSpec; + +sub match_glob ($$$) { #{{{ my $page=shift; my $glob=shift; + my $from=shift; + if (! defined $from){ + $from = ""; + } + + # relative matching + if ($glob =~ m!^\./!) { + $from=~s!/?[^/]+$!!; + $glob=~s!^\./!!; + $glob="$from/$glob" if length $from; + } # turn glob into safe regexp $glob=quotemeta($glob); $glob=~s/\\\*/.*/g; $glob=~s/\\\?/./g; - $glob=~s!\\/!/!g; - - $page=~/^$glob$/i; + + return $page=~/^$glob$/i; } #}}} -sub globlist_match ($$) { #{{{ +sub match_link ($$) { #{{{ my $page=shift; - my @globlist=split(" ", shift); + my $link=lc(shift); - # check any negated globs first - foreach my $glob (@globlist) { - return 0 if $glob=~/^!(.*)/ && glob_match($page, $1); + my $links = $IkiWiki::links{$page} or return undef; + foreach my $p (@$links) { + return 1 if lc $p eq $link; } + return 0; +} #}}} - foreach my $glob (@globlist) { - return 1 if glob_match($page, $glob); +sub match_backlink ($$) { #{{{ + match_link(pop, pop); +} #}}} + +sub match_created_before ($$) { #{{{ + my $page=shift; + my $testpage=shift; + + if (exists $IkiWiki::pagectime{$testpage}) { + return $IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}; + } + else { + return 0; } - - return 0; } #}}} -sub hook (@) { # {{{ - my %param=@_; - - if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { - error "hook requires type, call, and id parameters"; +sub match_created_after ($$) { #{{{ + my $page=shift; + my $testpage=shift; + + if (exists $IkiWiki::pagectime{$testpage}) { + return $IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}; } - - $hooks{$param{type}}{$param{id}}=\%param; -} # }}} + else { + return 0; + } +} #}}} + +sub match_creation_day ($$) { #{{{ + return ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift); +} #}}} + +sub match_creation_month ($$) { #{{{ + return ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift); +} #}}} + +sub match_creation_year ($$) { #{{{ + return ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift); +} #}}} 1