;
- close IN;
+ open (my $in, "<", $file) || error("failed to read $file: $!");
+ binmode($in) if ($binary);
+ return \*$in if $wantfd;
+ my $ret=<$in>;
+ close $in || error("failed to read $file: $!");
return $ret;
} #}}}
-sub writefile ($$$;$) { #{{{
+sub writefile ($$$;$$) { #{{{
my $file=shift; # can include subdirs
my $destdir=shift; # directory to put file in
my $content=shift;
my $binary=shift;
+ my $writer=shift;
my $test=$file;
while (length $test) {
@@ -185,8 +336,12 @@ sub writefile ($$$;$) { #{{{
}
$test=dirname($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)) {
@@ -196,34 +351,84 @@ sub writefile ($$$;$) { #{{{
}
}
}
-
- open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!");
- binmode(OUT) if ($binary);
- print OUT $content;
- close OUT;
+
+ my $cleanup = sub { unlink($newfile) };
+ open (my $out, '>', $newfile) || error("failed to write $newfile: $!", $cleanup);
+ binmode($out) if ($binary);
+ if ($writer) {
+ $writer->(\*$out, $cleanup);
+ }
+ else {
+ print $out $content or error("failed writing to $newfile: $!", $cleanup);
+ }
+ close $out || error("failed saving $newfile: $!", $cleanup);
+ rename($newfile, "$destdir/$file") ||
+ error("failed renaming $newfile to $destdir/$file: $!", $cleanup);
+
+ return 1;
+} #}}}
+
+my %cleared;
+sub will_render ($$;$) { #{{{
+ 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 {
+ foreach my $old (@{$renderedfiles{$page}}) {
+ delete $destsources{$old};
+ }
+ $renderedfiles{$page}=[$dest];
+ $cleared{$page}=1;
+ }
+ $destsources{$dest}=$page;
+
+ return 1;
} #}}}
sub bestlink ($$) { #{{{
- # Given a page and the text of a link on the page, determine which
- # existing page that link best points to. Prefers pages under a
- # subdirectory with the same name as the source page, failing that
- # goes down the directory tree to the base looking for matching
- # pages.
my $page=shift;
- my $link=lc(shift);
+ my $link=shift;
my $cwd=$page;
+ if ($link=~s/^\/+//) {
+ # absolute links
+ $cwd="";
+ }
+ $link=~s/\/$//;
+
do {
my $l=$cwd;
$l.="/" if length $l;
$l.=$link;
if (exists $links{$l}) {
- #debug("for $page, \"$link\", use $l");
return $l;
}
+ elsif (exists $pagecase{lc $l}) {
+ return $pagecase{lc $l};
+ }
} while $cwd=~s!/?[^/]+$!!;
+ if (length $config{userdir}) {
+ my $l = "$config{userdir}/".lc($link);
+ if (exists $links{$l}) {
+ return $l;
+ }
+ elsif (exists $pagecase{lc $l}) {
+ return $pagecase{lc $l};
+ }
+ }
+
#print STDERR "warning: page $page, broken link: $link\n";
return "";
} #}}}
@@ -231,43 +436,57 @@ sub bestlink ($$) { #{{{
sub isinlinableimage ($) { #{{{
my $file=shift;
- $file=~/\.(png|gif|jpg|jpeg)$/i;
+ return $file =~ /\.(png|gif|jpg|jpeg)$/i;
} #}}}
-sub pagetitle ($) { #{{{
+sub pagetitle ($;$) { #{{{
my $page=shift;
- $page=~s/__(\d+)__/&#$1;/g;
- $page=~y/_/ /;
+ my $unescaped=shift;
+
+ if ($unescaped) {
+ $page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : chr($2)/eg;
+ }
+ else {
+ $page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : "&#$2;"/eg;
+ }
+
return $page;
} #}}}
sub titlepage ($) { #{{{
my $title=shift;
- $title=~y/ /_/;
- $title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg;
+ $title=~s/([^-[:alnum:]:+\/.])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
return $title;
} #}}}
+sub linkpage ($) { #{{{
+ my $link=shift;
+ $link=~s/([^-[:alnum:]:+\/._])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
+ return $link;
+} #}}}
+
sub cgiurl (@) { #{{{
my %params=@_;
- return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params);
+ return $config{cgiurl}."?".
+ join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
} #}}}
-sub styleurl (;$) { #{{{
+sub baseurl (;$) { #{{{
my $page=shift;
- return "$config{url}/style.css" if ! defined $page;
+ return "$config{url}/" if ! defined $page;
+ $page=htmlpage($page);
$page=~s/[^\/]+$//;
$page=~s/[^\/]+\//..\//g;
- return $page."style.css";
+ return $page;
} #}}}
-sub abs2rel ($$) {
+sub abs2rel ($$) { #{{{
# Work around very innefficient behavior in File::Spec if abs2rel
# is passed two relative paths. It's much faster if paths are
- # absolute!
+ # absolute! (Debian bug #376658; fixed in debian unstable now)
my $path="/".shift;
my $base="/".shift;
@@ -275,86 +494,420 @@ sub abs2rel ($$) {
my $ret=File::Spec->abs2rel($path, $base);
$ret=~s/^// if defined $ret;
return $ret;
-}
+} #}}}
+
+sub displaytime ($;$) { #{{{
+ my $time=shift;
+ my $format=shift;
+ if (! defined $format) {
+ $format=$config{timeformat};
+ }
+
+ # strftime doesn't know about encodings, so make sure
+ # its output is properly treated as utf8
+ return decode_utf8(POSIX::strftime($format, localtime($time)));
+} #}}}
+
+sub beautify_url ($) { #{{{
+ my $url=shift;
+
+ if ($config{usedirs}) {
+ $url =~ s!/index.$config{htmlext}$!/!;
+ }
+ $url =~ s!^$!./!; # Browsers don't like empty links...
-sub htmllink ($$$;$$$) { #{{{
+ return $url;
+} #}}}
+
+sub urlto ($$) { #{{{
+ my $to=shift;
+ my $from=shift;
+
+ if (! length $to) {
+ return beautify_url(baseurl($from));
+ }
+
+ if (! $destsources{$to}) {
+ $to=htmlpage($to);
+ }
+
+ my $link = abs2rel($to, dirname(htmlpage($from)));
+
+ return beautify_url($link);
+} #}}}
+
+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=@_;
+
+ $link=~s/\/$//;
my $bestlink;
- if (! $forcesubpage) {
+ if (! $opts{forcesubpage}) {
$bestlink=bestlink($lpage, $link);
}
else {
$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 &&
+ ! defined $opts{anchor};
- # 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 that makes all new files be rendered twice.
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
+ if (! $destsources{$bestlink}) {
$bestlink=htmlpage($bestlink);
- }
- if (! grep { $_ eq $bestlink } values %renderedfiles) {
- return " "create", page => $link, from => $page).
- "\">?$linktext"
+
+ if (! $destsources{$bestlink}) {
+ return $linktext unless length $config{cgiurl};
+ return " "create",
+ page => pagetitle(lc($link), 1),
+ from => $lpage
+ ).
+ "\">?$linktext"
+ }
}
- $bestlink=abs2rel($bestlink, dirname($page));
+ $bestlink=abs2rel($bestlink, dirname(htmlpage($page)));
+ $bestlink=beautify_url($bestlink);
- if (! $noimageinline && isinlinableimage($bestlink)) {
+ if (! $opts{noimageinline} && isinlinableimage($bestlink)) {
return "![\"$linktext\"](\"$bestlink\")
";
}
- return "$linktext";
+
+ if (defined $opts{anchor}) {
+ $bestlink.="#".$opts{anchor};
+ }
+
+ my @attrs;
+ if (defined $opts{rel}) {
+ push @attrs, ' rel="'.$opts{rel}.'"';
+ }
+ if (defined $opts{class}) {
+ push @attrs, ' class="'.$opts{class}.'"';
+ }
+
+ return "$linktext";
+} #}}}
+
+sub userlink ($) { #{{{
+ my $user=shift;
+
+ my $oiduser=eval { openiduser($user) };
+ if (defined $oiduser) {
+ return "$oiduser";
+ }
+ else {
+ return htmllink("", "", escapeHTML(
+ length $config{userdir} ? $config{userdir}."/".$user : $user
+ ), noimageinline => 1);
+ }
+} #}}}
+
+sub htmlize ($$$) { #{{{
+ my $page=shift;
+ my $type=shift;
+ my $content=shift;
+
+ my $oneline = $content !~ /\n/;
+
+ 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 => $content,
+ );
+ });
+
+ if ($oneline) {
+ # hack to get rid of enclosing junk added by markdown
+ # and other htmlizers
+ $content=~s/^//i;
+ $content=~s/<\/p>$//i;
+ chomp $content;
+ }
+
+ return $content;
+} #}}}
+
+sub linkify ($$$) { #{{{
+ my $page=shift;
+ my $destpage=shift;
+ my $content=shift;
+
+ run_hooks(linkify => sub {
+ $content=shift->(
+ page => $page,
+ destpage => $page,
+ content => $content,
+ );
+ });
+
+ return $content;
+} #}}}
+
+my %preprocessing;
+our $preprocess_preview=0;
+sub preprocess ($$$;$$) { #{{{
+ 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 $preview=shift;
+
+ # Using local because it needs to be set within any nested calls
+ # of this function.
+ local $preprocess_preview=$preview if defined $preview;
+
+ my $handle=sub {
+ my $escape=shift;
+ my $prefix=shift;
+ my $command=shift;
+ my $params=shift;
+ if (length $escape) {
+ return "[[$prefix$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 ($params =~ m{
+ (?:([-\w]+)=)? # 1: named parameter key?
+ (?:
+ """(.*?)""" # 2: triple-quoted value
+ |
+ "([^"]+)" # 3: single-quoted value
+ |
+ (\S+) # 4: unquoted value
+ )
+ (?:\s+|$) # delimiter to next param
+ }sgx) {
+ 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;
+ if (! $scan) {
+ $ret=$hooks{preprocess}{$command}{call}->(
+ @params,
+ page => $page,
+ destpage => $destpage,
+ preview => $preprocess_preview,
+ );
+ }
+ else {
+ # use void context during scan pass
+ $hooks{preprocess}{$command}{call}->(
+ @params,
+ page => $page,
+ destpage => $destpage,
+ preview => $preprocess_preview,
+ );
+ $ret="";
+ }
+ $preprocessing{$page}--;
+ return $ret;
+ }
+ else {
+ return "[[$prefix$command $params]]";
+ }
+ };
+
+ my $regex;
+ if ($config{prefix_directives}) {
+ $regex = qr{
+ (\\?) # 1: escape?
+ \[\[(!) # directive open; 2: prefix
+ ([-\w]+) # 3: command
+ ( # 4: the parameters..
+ \s+ # Must have space if parameters present
+ (?:
+ (?:[-\w]+=)? # named parameter key?
+ (?:
+ """.*?""" # triple-quoted value
+ |
+ "[^"]+" # single-quoted value
+ |
+ [^\s\]]+ # unquoted value
+ )
+ \s* # whitespace or end
+ # of directive
+ )
+ *)? # 0 or more parameters
+ \]\] # directive closed
+ }sx;
+ } else {
+ $regex = qr{
+ (\\?) # 1: escape?
+ \[\[(!?) # directive open; 2: optional prefix
+ ([-\w]+) # 3: command
+ \s+
+ ( # 4: the parameters..
+ (?:
+ (?:[-\w]+=)? # named parameter key?
+ (?:
+ """.*?""" # triple-quoted value
+ |
+ "[^"]+" # single-quoted value
+ |
+ [^\s\]]+ # unquoted value
+ )
+ \s* # whitespace or end
+ # of directive
+ )
+ *) # 0 or more parameters
+ \]\] # directive closed
+ }sx;
+ }
+
+ $content =~ s{$regex}{$handle->($1, $2, $3, $4)}eg;
+ return $content;
+} #}}}
+
+sub filter ($$$) { #{{{
+ my $page=shift;
+ my $destpage=shift;
+ my $content=shift;
+
+ run_hooks(filter => sub {
+ $content=shift->(page => $page, destpage => $destpage,
+ content => $content);
+ });
+
+ return $content;
} #}}}
sub indexlink () { #{{{
return "$config{wikiname}";
} #}}}
-sub lockwiki () { #{{{
+my $wikilock;
+
+sub lockwiki (;$) { #{{{
+ my $wait=@_ ? shift : 1;
# Take an exclusive lock on the wiki to prevent multiple concurrent
# run issues. The lock will be dropped on program exit.
if (! -d $config{wikistatedir}) {
mkdir($config{wikistatedir});
}
- open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
+ open($wikilock, '>', "$config{wikistatedir}/lockfile") ||
error ("cannot write to $config{wikistatedir}/lockfile: $!");
- if (! flock(WIKILOCK, 2 | 4)) {
- 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) {
- return if flock(WIKILOCK, 2 | 4);
- sleep 1;
+ if (! flock($wikilock, 2 | 4)) { # LOCK_EX | LOCK_NB
+ if ($wait) {
+ debug("wiki seems to be locked, waiting for lock");
+ my $wait=600; # arbitrary, but don't hang forever to
+ # prevent process pileup
+ for (1..$wait) {
+ return if flock($wikilock, 2 | 4);
+ sleep 1;
+ }
+ error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
+ }
+ else {
+ return 0;
}
- error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
}
+ return 1;
} #}}}
sub unlockwiki () { #{{{
- close WIKILOCK;
+ return close($wikilock) if $wikilock;
+ return;
+} #}}}
+
+my $commitlock;
+
+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) || error("failed closing commitlock: $!");
+ return 0;
+ }
+ close($commitlock) || error("failed closing 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");
+ }
+ return 1;
+} #}}}
+
+sub enable_commit_hook () { #{{{
+ return close($commitlock) if $commitlock;
+ return;
} #}}}
sub loadindex () { #{{{
- open (IN, "$config{wikistatedir}/index") || return;
- while () {
+ %oldrenderedfiles=%pagectime=();
+ if (! $config{rebuild}) {
+ %pagesources=%pagemtime=%oldlinks=%links=%depends=
+ %destsources=%renderedfiles=%pagecase=%pagestate=();
+ }
+ open (my $in, "<", "$config{wikistatedir}/index") || return;
+ while (<$in>) {
$_=possibly_foolish_untaint($_);
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
@@ -362,55 +915,102 @@ sub loadindex () { #{{{
my $page=pagename($items{src}[0]);
if (! $config{rebuild}) {
$pagesources{$page}=$items{src}[0];
- $oldpagemtime{$page}=$items{mtime}[0];
+ $pagemtime{$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};
+ $destsources{$_}=$page foreach @{$items{dest}};
+ $renderedfiles{$page}=[@{$items{dest}}];
+ $pagecase{lc $page}=$page;
+ foreach my $k (grep /_/, keys %items) {
+ my ($id, $key)=split(/_/, $k, 2);
+ $pagestate{$page}{decode_entities($id)}{decode_entities($key)}=$items{$k}[0];
+ }
}
+ $oldrenderedfiles{$page}=[@{$items{dest}}];
$pagectime{$page}=$items{ctime}[0];
}
- close IN;
+ return close($in);
} #}}}
sub saveindex () { #{{{
+ run_hooks(savestate => sub { shift->() });
+
+ my %hookids;
+ foreach my $type (keys %hooks) {
+ $hookids{encode_entities($_)}=1 foreach keys %{$hooks{$type}};
+ }
+ my @hookids=sort keys %hookids;
+
if (! -d $config{wikistatedir}) {
mkdir($config{wikistatedir});
}
- open (OUT, ">$config{wikistatedir}/index") ||
- error("cannot write to $config{wikistatedir}/index: $!");
- foreach my $page (keys %oldpagemtime) {
- next unless $oldpagemtime{$page};
- my $line="mtime=$oldpagemtime{$page} ".
+ my $newfile="$config{wikistatedir}/index.new";
+ my $cleanup = sub { unlink($newfile) };
+ open (my $out, '>', $newfile) || error("cannot write to $newfile: $!", $cleanup);
+ foreach my $page (keys %pagemtime) {
+ next unless $pagemtime{$page};
+ my $line="mtime=$pagemtime{$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");
+ }
+ if (exists $pagestate{$page}) {
+ foreach my $id (@hookids) {
+ foreach my $key (keys %{$pagestate{$page}{$id}}) {
+ $line.=' '.$id.'_'.encode_entities($key)."=".encode_entities($pagestate{$page}{$id}{$key}, " \t\n");
+ }
+ }
}
- print OUT $line."\n";
+ print $out $line."\n" || error("failed writing to $newfile: $!", $cleanup);
}
- close OUT;
+ close $out || error("failed saving to $newfile: $!", $cleanup);
+ rename($newfile, "$config{wikistatedir}/index") ||
+ error("failed renaming $newfile to $config{wikistatedir}/index", $cleanup);
+
+ return 1;
+} #}}}
+
+sub template_file ($) { #{{{
+ my $template=shift;
+
+ foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") {
+ return "$dir/$template" if -e "$dir/$template";
+ }
+ return;
} #}}}
sub template_params (@) { #{{{
- my $filename=shift;
-
- require HTML::Template;
- return filter => sub {
+ my $filename=template_file(shift);
+
+ if (! defined $filename) {
+ return if wantarray;
+ return "";
+ }
+
+ my @ret=(
+ filter => sub {
my $text_ref = shift;
- $$text_ref=&Encode::decode_utf8($$text_ref);
+ ${$text_ref} = decode_utf8(${$text_ref});
},
- filename => "$config{templatedir}/$filename", @_;
+ filename => $filename,
+ loop_context_vars => 1,
+ die_on_bad_params => 0,
+ @_
+ );
+ return wantarray ? @ret : {@ret};
} #}}}
sub template ($;@) { #{{{
- HTML::Template->new(template_params(@_));
+ require HTML::Template;
+ return HTML::Template->new(template_params(@_));
} #}}}
-sub misctemplate ($$) { #{{{
+sub misctemplate ($$;@) { #{{{
my $title=shift;
my $pagebody=shift;
@@ -420,63 +1020,377 @@ sub misctemplate ($$) { #{{{
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 ($$) { #{{{
- my $page=shift;
- my $glob=shift;
+sub hook (@) { # {{{
+ my %param=@_;
+
+ if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
+ error 'hook requires type, call, and id parameters';
+ }
+
+ return if $param{no_override} && exists $hooks{$param{type}}{$param{id}};
+
+ $hooks{$param{type}}{$param{id}}=\%param;
+ return 1;
+} # }}}
+
+sub run_hooks ($$) { # {{{
+ # Calls the given sub for each hook of the given type,
+ # passing it the hook function to call.
+ my $type=shift;
+ my $sub=shift;
- if ($glob =~ /^link\((.+)\)$/) {
- my $rev = $links{$page} or return undef;
- foreach my $p (@$rev) {
- return 1 if lc $p eq $1;
+ 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});
}
- return 0;
- } elsif ($glob =~ /^backlink\((.+)\)$/) {
- my $rev = $links{$1} or return undef;
- foreach my $p (@$rev) {
- return 1 if lc $p eq $page;
+ foreach my $id (@deferred) {
+ $sub->($hooks{$type}{$id}{call});
}
- return 0;
- } else {
- # turn glob into safe regexp
- $glob=quotemeta($glob);
- $glob=~s/\\\*/.*/g;
- $glob=~s/\\\?/./g;
- $glob=~s!\\/!/!g;
-
- return $page=~/^$glob$/i;
}
+
+ return 1;
} #}}}
-sub globlist_match ($$) { #{{{
- my $page=shift;
- my @globlist=split(" ", shift);
+sub globlist_to_pagespec ($) { #{{{
+ my @globlist=split(' ', shift);
- # check any negated globs first
+ my (@spec, @skip);
foreach my $glob (@globlist) {
- return 0 if $glob=~/^!(.*)/ && glob_match($page, $1);
+ if ($glob=~/^!(.*)/) {
+ push @skip, $glob;
+ }
+ else {
+ push @spec, $glob;
+ }
}
- foreach my $glob (@globlist) {
- return 1 if glob_match($page, $glob);
+ my $spec=join(' or ', @spec);
+ if (@skip) {
+ my $skip=join(' and ', @skip);
+ if (length $spec) {
+ $spec="$skip and ($spec)";
+ }
+ else {
+ $spec=$skip;
+ }
}
-
- return 0;
+ return $spec;
} #}}}
-sub hook (@) { # {{{
- my %param=@_;
+sub is_globlist ($) { #{{{
+ my $s=shift;
+ return ( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" );
+} #}}}
+
+sub safequote ($) { #{{{
+ my $s=shift;
+ $s=~s/[{}]//g;
+ return "q{$s}";
+} #}}}
+
+sub add_depends ($$) { #{{{
+ my $page=shift;
+ my $pagespec=shift;
- if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) {
- error "hook requires type, call, and id parameters";
+ if (! exists $depends{$page}) {
+ $depends{$page}=$pagespec;
}
-
- $hooks{$param{type}}{$param{id}}=\%param;
+ else {
+ $depends{$page}=pagespec_merge($depends{$page}, $pagespec);
+ }
+
+ return 1;
} # }}}
+sub file_pruned ($$) { #{{{
+ require File::Spec;
+ my $file=File::Spec->canonpath(shift);
+ my $base=File::Spec->canonpath(shift);
+ $file =~ s#^\Q$base\E/+##;
+
+ my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')';
+ return $file =~ m/$regexp/ && $file ne $base;
+} #}}}
+
+sub gettext { #{{{
+ # Only use gettext in the rare cases it's needed.
+ if ((exists $ENV{LANG} && length $ENV{LANG}) ||
+ (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) ||
+ (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) {
+ if (! $gettext_obj) {
+ $gettext_obj=eval q{
+ use Locale::gettext q{textdomain};
+ Locale::gettext->domain('ikiwiki')
+ };
+ if ($@) {
+ print STDERR "$@";
+ $gettext_obj=undef;
+ return shift;
+ }
+ }
+ return $gettext_obj->get(shift);
+ }
+ else {
+ return shift;
+ }
+} #}}}
+
+sub pagespec_merge ($$) { #{{{
+ 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* # ignore whitespace
+ ( # 1: match a single word
+ \! # !
+ |
+ \( # (
+ |
+ \) # )
+ |
+ \w+\([^\)]*\) # command(params)
+ |
+ [^\s()]+ # any other text
+ )
+ \s* # ignore whitespace
+ }igx) {
+ 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).", \@params)";
+ }
+ else {
+ $code.=' 0';
+ }
+ }
+ else {
+ $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@params)";
+ }
+ }
+
+ return $code;
+} #}}}
+
+sub pagespec_match ($$;@) { #{{{
+ my $page=shift;
+ my $spec=shift;
+ my @params=@_;
+
+ # Backwards compatability with old calling convention.
+ if (@params == 1) {
+ unshift @params, 'location';
+ }
+
+ my $ret=eval pagespec_translate($spec);
+ return IkiWiki::FailReason->new('syntax error') if $@;
+ return $ret;
+} #}}}
+
+package IkiWiki::FailReason;
+
+use overload ( #{{{
+ '""' => sub { ${$_[0]} },
+ '0+' => sub { 0 },
+ '!' => sub { bless $_[0], 'IkiWiki::SuccessReason'},
+ fallback => 1,
+); #}}}
+
+sub new { #{{{
+ return bless \$_[1], $_[0];
+} #}}}
+
+package IkiWiki::SuccessReason;
+
+use overload ( #{{{
+ '""' => sub { ${$_[0]} },
+ '0+' => sub { 1 },
+ '!' => sub { bless $_[0], 'IkiWiki::FailReason'},
+ fallback => 1,
+); #}}}
+
+sub new { #{{{
+ return bless \$_[1], $_[0];
+}; #}}}
+
+package IkiWiki::PageSpec;
+
+sub match_glob ($$;@) { #{{{
+ my $page=shift;
+ my $glob=shift;
+ my %params=@_;
+
+ my $from=exists $params{location} ? $params{location} : '';
+
+ # relative matching
+ if ($glob =~ m!^\./!) {
+ $from=~s#/?[^/]+$##;
+ $glob=~s#^\./##;
+ $glob="$from/$glob" if length $from;
+ }
+
+ # turn glob into safe regexp
+ $glob=quotemeta($glob);
+ $glob=~s/\\\*/.*/g;
+ $glob=~s/\\\?/./g;
+
+ if ($page=~/^$glob$/i) {
+ if (! IkiWiki::isinternal($page) || $params{internal}) {
+ return IkiWiki::SuccessReason->new("$glob matches $page");
+ }
+ else {
+ return IkiWiki::FailReason->new("$glob matches $page, but the page is an internal page");
+ }
+ }
+ else {
+ return IkiWiki::FailReason->new("$glob does not match $page");
+ }
+} #}}}
+
+sub match_internal ($$;@) { #{{{
+ return match_glob($_[0], $_[1], @_, internal => 1)
+} #}}}
+
+sub match_link ($$;@) { #{{{
+ my $page=shift;
+ my $link=lc(shift);
+ my %params=@_;
+
+ my $from=exists $params{location} ? $params{location} : '';
+
+ # relative matching
+ if ($link =~ m!^\.! && defined $from) {
+ $from=~s#/?[^/]+$##;
+ $link=~s#^\./##;
+ $link="$from/$link" if length $from;
+ }
+
+ my $links = $IkiWiki::links{$page};
+ return IkiWiki::FailReason->new("$page has no links") unless $links && @{$links};
+ my $bestlink = IkiWiki::bestlink($from, $link);
+ foreach my $p (@{$links}) {
+ if (length $bestlink) {
+ return IkiWiki::SuccessReason->new("$page links to $link")
+ if $bestlink eq IkiWiki::bestlink($page, $p);
+ }
+ else {
+ return IkiWiki::SuccessReason->new("$page links to page $p matching $link")
+ if match_glob($p, $link, %params);
+ }
+ }
+ return IkiWiki::FailReason->new("$page does not link to $link");
+} #}}}
+
+sub match_backlink ($$;@) { #{{{
+ return match_link($_[1], $_[0], @_);
+} #}}}
+
+sub match_created_before ($$;@) { #{{{
+ my $page=shift;
+ my $testpage=shift;
+
+ if (exists $IkiWiki::pagectime{$testpage}) {
+ if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) {
+ return IkiWiki::SuccessReason->new("$page created before $testpage");
+ }
+ else {
+ return IkiWiki::FailReason->new("$page not created before $testpage");
+ }
+ }
+ else {
+ return IkiWiki::FailReason->new("$testpage has no ctime");
+ }
+} #}}}
+
+sub match_created_after ($$;@) { #{{{
+ my $page=shift;
+ my $testpage=shift;
+
+ if (exists $IkiWiki::pagectime{$testpage}) {
+ if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) {
+ return IkiWiki::SuccessReason->new("$page created after $testpage");
+ }
+ else {
+ return IkiWiki::FailReason->new("$page not created after $testpage");
+ }
+ }
+ else {
+ return IkiWiki::FailReason->new("$testpage has no ctime");
+ }
+} #}}}
+
+sub match_creation_day ($$;@) { #{{{
+ if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) {
+ return IkiWiki::SuccessReason->new('creation_day matched');
+ }
+ else {
+ return IkiWiki::FailReason->new('creation_day did not match');
+ }
+} #}}}
+
+sub match_creation_month ($$;@) { #{{{
+ if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
+ return IkiWiki::SuccessReason->new('creation_month matched');
+ }
+ else {
+ return IkiWiki::FailReason->new('creation_month did not match');
+ }
+} #}}}
+
+sub match_creation_year ($$;@) { #{{{
+ if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) {
+ return IkiWiki::SuccessReason->new('creation_year matched');
+ }
+ else {
+ return IkiWiki::FailReason->new('creation_year did not match');
+ }
+} #}}}
+
1