X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/fff0adf91f8bf560a618ec324c11b09511a5ad3d..ff700576e342ac67bf575c4fa6220d5b051d1872:/doc/todo/tracking_bugs_with_dependencies.mdwn?ds=sidebyside diff --git a/doc/todo/tracking_bugs_with_dependencies.mdwn b/doc/todo/tracking_bugs_with_dependencies.mdwn index 7186166ce..53b5fc070 100644 --- a/doc/todo/tracking_bugs_with_dependencies.mdwn +++ b/doc/todo/tracking_bugs_with_dependencies.mdwn @@ -133,31 +133,83 @@ The following three inlines work for me with this patch: >> the first parameter rather than the second. Ikiwiki is my first real perl hacking and I'm still discovering >> good ways to write things in perl. >> +>>>> `%params` contains the parameters passed to `pagespec_match`, not +>>>> user-supplied parameters. The user-supplied parameter to a function +>>>> like `match_glob()` or `match_link()` is passed in the second positional parameter. --[[Joey]] + +>>>>> OK. That seems reasonable then. The only problem is that my PERLfu is not strong enough to make it +>>>>> work. I really have to wonder what substance was influencing the designers of PERL... +>>>>> I can't figure out how to use the %params. And I'm pissed off enough with PERL that I'm not going +>>>>> to try and figure it out any more. There are two patches below now. The first one uses an extra +>>>>> argument and works. The second one tries to use %params and doesn't - take your pick :-). -- [[Will]] + >> What do you think is best to do about `is_globlist()`? At the moment it requires that the 'second word', as >> delimited by a space and ignoring parens, is 'and' or 'or'. This doesn't hold in the above example pagespecs (so I just hard wired it to 0 to test my patch). >> My thought was just to search for 'and' or 'or' as words anywhere in the pagespec. Thoughts? +>>> Dunno, we could just finish deprecating it. Or change the regexp to +>>> skip over spaces in parens. (`/[^\s]+\s+([^)]+)/`) --[[Joey]] + +>>>> I think I have a working regexp now. + >> Oh, one more thing. In pagespec_translate (now pagespec_makeperl), there is a part of the regular expression for `# any other text`. >> This contained `()`, which has no effect. I replaced that with `\(\)`, but that is a change in the definition of pagespecs unrelated to the >> rest of this patch. In a related change, commands were not able to contain `)` in their parameters. I've extended that so the cannot >> contain `(` or `)`. -- [[Will]] +>>> `[^\s()]+` is a character class matching all characters not spaces or +>>> parens. Since the pervious terminals in the regexp consume most +>>> occurances of an open paren or close paren, it's unlikely for one to +>>> get through to that part of the regexp. For example, "foo()" will be +>>> matched by the command matcher; "(foo)" will be matched by the open +>>> paren literal terminal. "foo(" and "foo)" can get through to the +>>> end, and would be matched as a page name, if it didn't exclude parens. +>>> +>>> So why exclude them? Well, consider "foo and(bar and baz)". We don't +>>> want it to match "and(" as a page name! +>>> +>>> Escaping the parens in the character class actually changes nothing; the +>>> changed character class still matches all characters not spaces or +>>> parens. (Try it!). +>>> +>>> Re commands containing '(', I don't really see any reason not to +>>> allow that, unless it breaks something. --[[Joey]] + +>>>> Oh, I didn't realise you didn't need to escape parens inside []. All else I +>>>> I understood. I have stopped commands from containing parens because +>>>> once you allow that then you might have a extra level of depth in the parsing +>>>> of define() statements. -- [[Will]] + +>>> Updated patch. Moved the specFuncsRef to the front of the arg list. Still haven't thought through the security implications of +>>> having it in `%params`. I've also removed all the debugging `print` statements. And I've updated the `is_globlist()` function. +>>> I think this is ready for people other than me to have a play. It is not well enough tested to commit just yet. +>>> -- [[Will]] + ---- diff --git a/IkiWiki.pm b/IkiWiki.pm -index e476521..07b71d7 100644 +index e476521..532aaf5 100644 --- a/IkiWiki.pm +++ b/IkiWiki.pm -@@ -1524,7 +1524,7 @@ sub globlist_to_pagespec ($) { #{{{ +@@ -1524,7 +1524,16 @@ sub globlist_to_pagespec ($) { #{{{ sub is_globlist ($) { #{{{ my $s=shift; - return ( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" ); -+ return 0; #( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" ); ++ return ! ($s =~ / ++ (^\s* ++ [^\s\(]+ # single item ++ (\( # possibly with parens after it ++ ([^\)]* # with stuff inside those parens ++ (\([^\)]*\))*)* # maybe even nested parens ++ \))?\s*$ ++ ) | ++ (\s and \s) | (\s or \s) # or we find 'and' or 'or' somewhere ++ /x); } #}}} sub safequote ($) { #{{{ -@@ -1605,7 +1605,7 @@ sub pagespec_merge ($$) { #{{{ +@@ -1605,7 +1614,7 @@ sub pagespec_merge ($$) { #{{{ return "($a) or ($b)"; } #}}} @@ -166,7 +218,7 @@ index e476521..07b71d7 100644 my $spec=shift; # Support for old-style GlobLists. -@@ -1624,9 +1624,11 @@ sub pagespec_translate ($) { #{{{ +@@ -1624,9 +1633,11 @@ sub pagespec_translate ($) { #{{{ | \) # ) | @@ -180,21 +232,21 @@ index e476521..07b71d7 100644 ) \s* # ignore whitespace }igx) { -@@ -1640,16 +1642,23 @@ sub pagespec_translate ($) { #{{{ +@@ -1640,16 +1651,23 @@ sub pagespec_translate ($) { #{{{ elsif ($word eq "(" || $word eq ")" || $word eq "!") { $code.=' '.$word; } + elsif ($word =~ /^define\(\s*~(\w+)\s*,(.*)\)$/) { + $code .= " (\$specFuncsRef->{$1}="; -+ #$code .= "memoize("; -+ $code .= pagespec_makeperl($2); -+ #$code .= ")"; ++ $code .= "memoize("; ++ $code .= &pagespec_makeperl($2); ++ $code .= ")"; + $code .= ") "; + } elsif ($word =~ /^(\w+)\((.*)\)$/) { if (exists $IkiWiki::PageSpec::{"match_$1"}) { - $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@_)"; -+ $code.="IkiWiki::PageSpec::match_$1(\$page, \$specFuncsRef, ".safequote($2).", \@_)"; ++ $code.="IkiWiki::PageSpec::match_$1(\$specFuncsRef, \$page, ".safequote($2).", \@_)"; } else { $code.=' 0'; @@ -202,23 +254,21 @@ index e476521..07b71d7 100644 } else { - $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@_)"; -+ $code.=" IkiWiki::PageSpec::match_glob(\$page, \$specFuncsRef, ".safequote($word).", \@_)"; ++ $code.=" IkiWiki::PageSpec::match_glob(\$specFuncsRef, \$page, ".safequote($word).", \@_)"; } } -@@ -1657,8 +1666,18 @@ sub pagespec_translate ($) { #{{{ +@@ -1657,8 +1675,16 @@ sub pagespec_translate ($) { #{{{ $code=0; } -+ return 'sub { my $page=shift; my $specFuncsRef=shift; '.$code.' }'; ++ return 'sub { my $specFuncsRef=shift; my $page=shift; '.$code.' }'; +} #}}} + +sub pagespec_translate ($) { #{{{ + my $spec=shift; + + my $code = pagespec_makeperl($spec); -+ -+ print "Spec '$spec' led to perl '$code'\n"; + no warnings; - return eval 'sub { my $page=shift; '.$code.' }'; @@ -226,23 +276,23 @@ index e476521..07b71d7 100644 } #}}} sub pagespec_match ($$;@) { #{{{ -@@ -1673,7 +1692,7 @@ sub pagespec_match ($$;@) { #{{{ +@@ -1673,7 +1699,7 @@ sub pagespec_match ($$;@) { #{{{ my $sub=pagespec_translate($spec); return IkiWiki::FailReason->new("syntax error in pagespec \"$spec\"") if $@; - return $sub->($page, @params); -+ return $sub->($page, {}, @params); ++ return $sub->({}, $page, @params); } #}}} sub pagespec_valid ($) { #{{{ -@@ -1722,13 +1741,77 @@ sub new { #{{{ +@@ -1722,11 +1748,71 @@ sub new { #{{{ package IkiWiki::PageSpec; -sub match_glob ($$;@) { #{{{ +sub check_named_spec($$$;@) { -+ my $page=shift; + my $specFuncsRef=shift; ++ my $page=shift; + my $specName=shift; + my %params=@_; + @@ -250,24 +300,23 @@ index e476521..07b71d7 100644 + unless (substr($specName, 0, 1) eq '~'); + + $specName = substr($specName, 1); -+ print "Checking pagespec named $specName against page $page\n"; ++ + if (exists $specFuncsRef->{$specName}) { + # remove the named spec from the spec refs + # when we recurse to avoid infinite recursion + my $sub = $specFuncsRef->{$specName}; + $specFuncsRef->{$specName} = undef; -+ my $result = $sub->($page, $specFuncsRef, %params); ++ my $result = $sub->($specFuncsRef, $page, %params); + $specFuncsRef->{$specName} = $sub; + return $result; + } else { -+ print "Couldn't find pagespec\n"; -+ return IkiWiki::FailReason->new("Page spec $specName does not exist"); ++ return IkiWiki::FailReason->new("Page spec '$specName' does not exist"); + } +} + +sub check_named_spec_existential($$$$;@) { -+ my $page=shift; + my $specFuncsRef=shift; ++ my $page=shift; + my $specName=shift; + my $funcref=shift; + my %params=@_; @@ -276,8 +325,6 @@ index e476521..07b71d7 100644 + unless (substr($specName, 0, 1) eq '~'); + $specName = substr($specName, 1); + -+ print "Checking (existential) pagespec named $specName against page $page\n"; -+ + if (exists $specFuncsRef->{$specName}) { + # remove the named spec from the spec refs + # when we recurse to avoid infinite recursion @@ -285,150 +332,136 @@ index e476521..07b71d7 100644 + $specFuncsRef->{$specName} = undef; + + foreach my $nextpage (keys %IkiWiki::pagesources) { -+ print "Checking $nextpage against $specName\n"; -+ if ($sub->($nextpage, $specFuncsRef, %params)) { -+ print "Match! Checking spec $nextpage against function from original page $page\n"; -+ my $tempResult = $funcref->($page, $specFuncsRef, $nextpage, %params); ++ if ($sub->($specFuncsRef, $nextpage, %params)) { ++ my $tempResult = $funcref->($specFuncsRef, $page, $nextpage, %params); + return $tempResult if ($tempResult); + } + } + + $specFuncsRef->{$specName} = $sub; -+ return IkiWiki::FailReason->new("No page in spec $specName was successfully matched"); ++ return IkiWiki::FailReason->new("No page in spec '$specName' was successfully matched"); + } else { -+ print "Couldn't find pagespec\n"; -+ return IkiWiki::FailReason->new("Page spec $specName does not exist"); ++ return IkiWiki::FailReason->new("Named page spec '$specName' does not exist"); + } +} + +sub match_glob ($$$;@) { #{{{ - my $page=shift; + my $specFuncsRef=shift; + my $page=shift; my $glob=shift; my %params=@_; - my $from=exists $params{location} ? $params{location} : ''; - -+ print "Matching glob $glob \n"; -+ - # relative matching - if ($glob =~ m!^\./!) { - $from=~s#/?[^/]+$##; -@@ -1736,6 +1819,10 @@ sub match_glob ($$;@) { #{{{ - $glob="$from/$glob" if length $from; - } - + if (substr($glob, 0, 1) eq '~') { -+ return check_named_spec($page, $specFuncsRef, $glob); ++ return check_named_spec($specFuncsRef, $page, $glob); + } + - my $regexp=IkiWiki::glob2re($glob); - if ($page=~/^$regexp$/i) { - if (! IkiWiki::isinternal($page) || $params{internal}) { -@@ -1750,17 +1837,29 @@ sub match_glob ($$;@) { #{{{ + my $from=exists $params{location} ? $params{location} : ''; + + # relative matching +@@ -1750,17 +1836,23 @@ sub match_glob ($$;@) { #{{{ } } #}}} -sub match_internal ($$;@) { #{{{ - return match_glob($_[0], $_[1], @_, internal => 1) +sub match_internal ($$$;@) { #{{{ -+ my $page=shift; -+ my $specFuncsRef=shift; -+ my $glob=shift; -+ -+ return match_glob($page, $specFuncsRef, $glob, @_, internal => 1) ++ return match_glob(shift, shift, shift, @_, internal => 1) } #}}} -sub match_link ($$;@) { #{{{ +sub match_link ($$$;@) { #{{{ ++ my $specFuncsRef=shift; my $page=shift; - my $link=lc(shift); -+ my $specFuncsRef=shift; + my $fulllink=shift; + my $link=lc($fulllink); my %params=@_; -+ print "Matching link $fulllink \n"; -+ - my $from=exists $params{location} ? $params{location} : ''; - +- my $from=exists $params{location} ? $params{location} : ''; + if (substr($fulllink, 0, 1) eq '~') { -+ return check_named_spec_existential($page, $specFuncsRef, $fulllink, \&match_link); ++ return check_named_spec_existential($specFuncsRef, $page, $fulllink, \&match_link); + } -+ + ++ my $from=exists $params{location} ? $params{location} : ''; ++ # relative matching if ($link =~ m!^\.! && defined $from) { $from=~s#/?[^/]+$##; -@@ -1784,12 +1883,16 @@ sub match_link ($$;@) { #{{{ +@@ -1778,17 +1870,21 @@ sub match_link ($$;@) { #{{{ + } + else { + return IkiWiki::SuccessReason->new("$page links to page $p matching $link") +- if match_glob($p, $link, %params); ++ if match_glob($specFuncsRef, $p, $link, %params); + } + } return IkiWiki::FailReason->new("$page does not link to $link"); } #}}} -sub match_backlink ($$;@) { #{{{ - return match_link($_[1], $_[0], @_); +sub match_backlink ($$$;@) { #{{{ -+ my $page=shift; + my $specFuncsRef=shift; ++ my $page=shift; + my $backlink=shift; -+ return match_link($backlink, $specFuncsRef, $page, @_); ++ return match_link($specFuncsRef, $backlink, $page, @_); } #}}} -sub match_created_before ($$;@) { #{{{ +sub match_created_before ($$$;@) { #{{{ - my $page=shift; + my $specFuncsRef=shift; + my $page=shift; my $testpage=shift; - if (exists $IkiWiki::pagectime{$testpage}) { -@@ -1805,8 +1908,9 @@ sub match_created_before ($$;@) { #{{{ +@@ -1805,7 +1901,8 @@ sub match_created_before ($$;@) { #{{{ } } #}}} -sub match_created_after ($$;@) { #{{{ +sub match_created_after ($$$;@) { #{{{ - my $page=shift; + my $specFuncsRef=shift; + my $page=shift; my $testpage=shift; - if (exists $IkiWiki::pagectime{$testpage}) { -@@ -1822,8 +1926,12 @@ sub match_created_after ($$;@) { #{{{ +@@ -1822,8 +1919,12 @@ sub match_created_after ($$;@) { #{{{ } } #}}} -sub match_creation_day ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) { +sub match_creation_day ($$$;@) { #{{{ -+ my $page=shift; + shift; ++ my $page=shift; + my $time=shift; + + if ((gmtime($IkiWiki::pagectime{$page}))[3] == $time) { return IkiWiki::SuccessReason->new('creation_day matched'); } else { -@@ -1831,8 +1939,12 @@ sub match_creation_day ($$;@) { #{{{ +@@ -1831,8 +1932,12 @@ sub match_creation_day ($$;@) { #{{{ } } #}}} -sub match_creation_month ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) { +sub match_creation_month ($$$;@) { #{{{ -+ my $page=shift; + shift; ++ my $page=shift; + my $time=shift; + + if ((gmtime($IkiWiki::pagectime{$page}))[4] + 1 == $time) { return IkiWiki::SuccessReason->new('creation_month matched'); } else { -@@ -1840,8 +1952,12 @@ sub match_creation_month ($$;@) { #{{{ +@@ -1840,8 +1945,12 @@ sub match_creation_month ($$;@) { #{{{ } } #}}} -sub match_creation_year ($$;@) { #{{{ - if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { +sub match_creation_year ($$$;@) { #{{{ -+ my $page=shift; + shift; ++ my $page=shift; + my $time=shift; + + if ((gmtime($IkiWiki::pagectime{$page}))[5] + 1900 == $time) { @@ -460,7 +493,7 @@ index f1f792a..a410e48 100644 my $ip=shift; my %params=@_; diff --git a/IkiWiki/Plugin/conditional.pm b/IkiWiki/Plugin/conditional.pm -index 7716fce..2110ca0 100644 +index 7716fce..c0dbb50 100644 --- a/IkiWiki/Plugin/conditional.pm +++ b/IkiWiki/Plugin/conditional.pm @@ -70,7 +70,8 @@ sub preprocess_if (@) { #{{{ @@ -479,14 +512,14 @@ index 7716fce..2110ca0 100644 -sub match_sourcepage ($$;@) { #{{{ +sub match_sourcepage ($$$;@) { #{{{ - shift; + my $specFuncsRef=shift; + shift; my $glob=shift; my %params=@_; return IkiWiki::FailReason->new("cannot match sourcepage") unless exists $params{sourcepage}; - if (match_glob($params{sourcepage}, $glob, @_)) { -+ if (match_glob($params{sourcepage}, $specFuncsRef, $glob, @_)) { ++ if (match_glob($specFuncsRef, $params{sourcepage}, $glob, @_)) { return IkiWiki::SuccessReason->new("sourcepage matches $glob"); } else { @@ -496,14 +529,14 @@ index 7716fce..2110ca0 100644 -sub match_destpage ($$;@) { #{{{ +sub match_destpage ($$$;@) { #{{{ - shift; + my $specFuncsRef=shift; + shift; my $glob=shift; my %params=@_; return IkiWiki::FailReason->new("cannot match destpage") unless exists $params{destpage}; - if (match_glob($params{destpage}, $glob, @_)) { -+ if (match_glob($params{destpage}, $specFuncsRef, $glob, @_)) { ++ if (match_glob($specFuncsRef, $params{destpage}, $glob, @_)) { return IkiWiki::SuccessReason->new("destpage matches $glob"); } else { @@ -518,53 +551,49 @@ index 7716fce..2110ca0 100644 shift; my %params=@_; diff --git a/IkiWiki/Plugin/filecheck.pm b/IkiWiki/Plugin/filecheck.pm -index 6f71be3..bf472c5 100644 +index 6f71be3..3592342 100644 --- a/IkiWiki/Plugin/filecheck.pm +++ b/IkiWiki/Plugin/filecheck.pm -@@ -66,8 +66,9 @@ sub humansize ($) { #{{{ +@@ -66,7 +66,8 @@ sub humansize ($) { #{{{ package IkiWiki::PageSpec; -sub match_maxsize ($$;@) { #{{{ +sub match_maxsize ($$$;@) { #{{{ - my $page=shift; + shift; + my $page=shift; my $maxsize=eval{IkiWiki::Plugin::attachment::parsesize(shift)}; if ($@) { - return IkiWiki::FailReason->new("unable to parse maxsize (or number too large)"); -@@ -87,8 +88,9 @@ sub match_maxsize ($$;@) { #{{{ +@@ -87,7 +88,8 @@ sub match_maxsize ($$;@) { #{{{ } } #}}} -sub match_minsize ($$;@) { #{{{ +sub match_minsize ($$$;@) { #{{{ - my $page=shift; + shift; + my $page=shift; my $minsize=eval{IkiWiki::Plugin::attachment::parsesize(shift)}; if ($@) { - return IkiWiki::FailReason->new("unable to parse minsize (or number too large)"); -@@ -108,8 +110,9 @@ sub match_minsize ($$;@) { #{{{ +@@ -108,7 +110,8 @@ sub match_minsize ($$;@) { #{{{ } } #}}} -sub match_mimetype ($$;@) { #{{{ +sub match_mimetype ($$$;@) { #{{{ - my $page=shift; + shift; + my $page=shift; my $wanted=shift; - my %params=@_; -@@ -138,8 +141,9 @@ sub match_mimetype ($$;@) { #{{{ +@@ -138,7 +141,8 @@ sub match_mimetype ($$;@) { #{{{ } } #}}} -sub match_virusfree ($$;@) { #{{{ +sub match_virusfree ($$$;@) { #{{{ - my $page=shift; + shift; + my $page=shift; my $wanted=shift; - my %params=@_; @@ -180,7 +184,7 @@ sub match_virusfree ($$;@) { #{{{ } } #}}} @@ -575,17 +604,17 @@ index 6f71be3..bf472c5 100644 if (defined IkiWiki::pagetype($filename)) { diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm -index b2c85c8..1ee6a69 100644 +index b2c85c8..788f248 100644 --- a/IkiWiki/Plugin/meta.pm +++ b/IkiWiki/Plugin/meta.pm -@@ -264,6 +264,7 @@ sub pagetemplate (@) { #{{{ +@@ -263,6 +263,7 @@ sub pagetemplate (@) { #{{{ + sub match { #{{{ my $field=shift; - my $page=shift; + shift; + my $page=shift; # turn glob into a safe regexp - my $re=IkiWiki::glob2re(shift); @@ -291,23 +292,23 @@ sub match { #{{{ package IkiWiki::PageSpec; @@ -615,3 +644,256 @@ index b2c85c8..1ee6a69 100644 IkiWiki::Plugin::meta::match("copyright", @_); } #}}} +---- + +diff --git a/IkiWiki.pm b/IkiWiki.pm +index e476521..0751d56 100644 +--- a/IkiWiki.pm ++++ b/IkiWiki.pm +@@ -1524,7 +1524,16 @@ sub globlist_to_pagespec ($) { #{{{ + + sub is_globlist ($) { #{{{ + my $s=shift; +- return ( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" ); ++ return ! ($s =~ / ++ (^\s* ++ [^\s(]+ # single item ++ (\( # possibly with parens after it ++ ([^)]* # with stuff inside those parens ++ (\([^)]*\))*)* # maybe even nested parens ++ \))?\s*$ ++ ) | ++ (\s and \s) | (\s or \s) # or we find 'and' or 'or' somewhere ++ /x); + } #}}} + + sub safequote ($) { #{{{ +@@ -1605,7 +1614,7 @@ sub pagespec_merge ($$) { #{{{ + return "($a) or ($b)"; + } #}}} + +-sub pagespec_translate ($) { #{{{ ++sub pagespec_makeperl ($) { #{{{ + my $spec=shift; + + # Support for old-style GlobLists. +@@ -1624,7 +1633,9 @@ sub pagespec_translate ($) { #{{{ + | + \) # ) + | +- \w+\([^\)]*\) # command(params) ++ define\(\s*~\w+\s*,((\([^()]*\)) | ([^()]+))+\) # define(~specName, spec) - spec can contain parens 1 deep ++ | ++ \w+\([^()]*\) # command(params) - params cannot contain parens + | + [^\s()]+ # any other text + ) +@@ -1640,16 +1651,23 @@ sub pagespec_translate ($) { #{{{ + elsif ($word eq "(" || $word eq ")" || $word eq "!") { + $code.=' '.$word; + } ++ elsif ($word =~ /^define\(\s*~(\w+)\s*,(.*)\)$/) { ++ $code .= " (\$params{specFuncs}->{$1}="; # (exists \$params{specFuncs}) && ++ $code .= "memoize("; ++ $code .= &pagespec_makeperl($2); ++ $code .= ")"; ++ $code .= ") "; ++ } + elsif ($word =~ /^(\w+)\((.*)\)$/) { + if (exists $IkiWiki::PageSpec::{"match_$1"}) { +- $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@_)"; ++ $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \%params)"; + } + else { + $code.=' 0'; + } + } + else { +- $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@_)"; ++ $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \%params)"; + } + } + +@@ -1657,23 +1675,36 @@ sub pagespec_translate ($) { #{{{ + $code=0; + } + ++ return 'sub { my $page=shift; my %params = @_; '.$code.' }'; ++} #}}} ++ ++sub pagespec_translate ($) { #{{{ ++ my $spec=shift; ++ ++ my $code = pagespec_makeperl($spec); ++ ++ print "Spec '$spec' generated code '$code'\n"; ++ + no warnings; +- return eval 'sub { my $page=shift; '.$code.' }'; ++ return eval $code; + } #}}} + + sub pagespec_match ($$;@) { #{{{ + my $page=shift; + my $spec=shift; + my @params=@_; ++ my %params=@_; + + # Backwards compatability with old calling convention. + if (@params == 1) { +- unshift @params, 'location'; ++ %params = { location => $params[1] }; + } + ++ $params{specFuncs} = {} unless exists $params{specFuncs}; ++ + my $sub=pagespec_translate($spec); + return IkiWiki::FailReason->new("syntax error in pagespec \"$spec\"") if $@; +- return $sub->($page, @params); ++ return $sub->($page, %params); + } #}}} + + sub pagespec_valid ($) { #{{{ +@@ -1722,11 +1753,84 @@ sub new { #{{{ + + package IkiWiki::PageSpec; + ++sub check_named_spec($$;@) { ++ my $page=shift; ++ my $specName=shift; ++ my %params=@_; ++ ++ print "Checking named spec $specName\n"; ++ ++ error("Unable to find specFuncs in params to check_named_spec()!") unless exists $params{specFuncs}; ++ my $specFuncsRef=$params{specFuncs}; ++ ++ print "A\n"; ++ ++ return IkiWiki::FailReason->new("Named page spec '$specName' is not valid") ++ unless (substr($specName, 0, 1) eq '~'); ++ ++ $specName = substr($specName, 1); ++ ++ if (exists $specFuncsRef->{$specName}) { ++ # remove the named spec from the spec refs ++ # when we recurse to avoid infinite recursion ++ my $sub = $specFuncsRef->{$specName}; ++ $specFuncsRef->{$specName} = undef; ++ my $result = $sub->($specFuncsRef, $page, %params); ++ $specFuncsRef->{$specName} = $sub; ++ return $result; ++ } else { ++ print "Invalid specname\n"; ++ return IkiWiki::FailReason->new("Page spec '$specName' does not exist"); ++ } ++} ++ ++sub check_named_spec_existential($$$;@) { ++ my $page=shift; ++ my $specName=shift; ++ my $funcref=shift; ++ my %params=@_; ++ ++ print "(Existential) Checking named spec $specName\n"; ++ ++ error("Unable to find specFuncs in params to check_named_spec()!") unless exists $params{specFuncs}; ++ my $specFuncsRef=$params{specFuncs}; ++ ++ print "B\n"; ++ ++ return IkiWiki::FailReason->new("Named page spec '$specName' is not valid") ++ unless (substr($specName, 0, 1) eq '~'); ++ $specName = substr($specName, 1); ++ ++ if (exists $specFuncsRef->{$specName}) { ++ # remove the named spec from the spec refs ++ # when we recurse to avoid infinite recursion ++ my $sub = $specFuncsRef->{$specName}; ++ $specFuncsRef->{$specName} = undef; ++ ++ foreach my $nextpage (keys %IkiWiki::pagesources) { ++ if ($sub->($specFuncsRef, $nextpage, %params)) { ++ my $tempResult = $funcref->($page, $nextpage, %params); ++ return $tempResult if ($tempResult); ++ } ++ } ++ ++ $specFuncsRef->{$specName} = $sub; ++ return IkiWiki::FailReason->new("No page in spec '$specName' was successfully matched"); ++ } else { ++ print "Invalid specname\n"; ++ return IkiWiki::FailReason->new("Named page spec '$specName' does not exist"); ++ } ++} ++ + sub match_glob ($$;@) { #{{{ + my $page=shift; + my $glob=shift; + my %params=@_; + ++ if (substr($glob, 0, 1) eq '~') { ++ return check_named_spec($page, $glob, %params); ++ } ++ + my $from=exists $params{location} ? $params{location} : ''; + + # relative matching +@@ -1756,11 +1860,16 @@ sub match_internal ($$;@) { #{{{ + + sub match_link ($$;@) { #{{{ + my $page=shift; +- my $link=lc(shift); ++ my $fulllink=shift; ++ my $link=lc($fulllink); + my %params=@_; + +- my $from=exists $params{location} ? $params{location} : ''; ++ if (substr($fulllink, 0, 1) eq '~') { ++ return check_named_spec_existential($page, $fulllink, \&match_link, %params); ++ } + ++ my $from=exists $params{location} ? $params{location} : ''; ++ + # relative matching + if ($link =~ m!^\.! && defined $from) { + $from=~s#/?[^/]+$##; +@@ -1785,12 +1894,25 @@ sub match_link ($$;@) { #{{{ + } #}}} + + sub match_backlink ($$;@) { #{{{ +- return match_link($_[1], $_[0], @_); ++ my $page=shift; ++ my $backlink=shift; ++ my %params=@_; ++ ++ if (substr($backlink, 0, 1) eq '~') { ++ return check_named_spec_existential($page, $backlink, \&match_backlink, %params); ++ } ++ ++ return match_link($backlink, $page, %params); + } #}}} + + sub match_created_before ($$;@) { #{{{ + my $page=shift; + my $testpage=shift; ++ my %params=@_; ++ ++ if (substr($testpage, 0, 1) eq '~') { ++ return check_named_spec_existential($page, $testpage, \&match_created_before, %params); ++ } + + if (exists $IkiWiki::pagectime{$testpage}) { + if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) { +@@ -1808,6 +1930,11 @@ sub match_created_before ($$;@) { #{{{ + sub match_created_after ($$;@) { #{{{ + my $page=shift; + my $testpage=shift; ++ my %params=@_; ++ ++ if (substr($testpage, 0, 1) eq '~') { ++ return check_named_spec_existential($page, $testpage, \&match_created_after, %params); ++ } + + if (exists $IkiWiki::pagectime{$testpage}) { + if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) {