X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/6b44c56863aa269df92c2540aa48db5282b619cc..ea753782b222bf4ba2fb4683b6363afdd9055b64:/doc/todo/tracking_bugs_with_dependencies.mdwn diff --git a/doc/todo/tracking_bugs_with_dependencies.mdwn b/doc/todo/tracking_bugs_with_dependencies.mdwn index 5e4bf75e6..2832e37aa 100644 --- a/doc/todo/tracking_bugs_with_dependencies.mdwn +++ b/doc/todo/tracking_bugs_with_dependencies.mdwn @@ -126,476 +126,312 @@ The following three inlines work for me with this patch: > needing to change the prototype of every pagespec function, since several > plugins define them too. --[[Joey]] +>> Maybe - it needs more thought. I also considered it when I was going though changing all those plugins :). +>> My concern was that `%params` can contain other user-defined parameters, +>> e.g. `link(target, otherparameter)`, and that means that the specFuncs could be clobbered by a user (or other +>> weird security hole). I thought it better to separate it, but I didn't think about it too hard. I might move it to +>> 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]] + +I've lost track of the indent level, so I'm going back to not indented - I think this is a working [[patch]] taking into +account all comments above (which doesn't mean it is above reproach :) ). --[[Will]] + ---- -diff --git a/IkiWiki.pm b/IkiWiki.pm -index e476521..07b71d7 100644 ---- a/IkiWiki.pm -+++ b/IkiWiki.pm -@@ -1524,7 +1524,7 @@ 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" && $1 ne "or" ); - } #}}} - - sub safequote ($) { #{{{ -@@ -1605,7 +1605,7 @@ sub pagespec_merge ($$) { #{{{ - return "($a) or ($b)"; - } #}}} - --sub pagespec_translate ($) { #{{{ -+sub pagespec_makeperl ($) { #{{{ - my $spec=shift; - - # Support for old-style GlobLists. -@@ -1624,9 +1624,11 @@ sub pagespec_translate ($) { #{{{ - | - \) # ) - | -- \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 -+ [^\s\(\)]+ # any other text - ) - \s* # ignore whitespace - }igx) { -@@ -1640,16 +1642,23 @@ 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 .= ")"; -+ $code .= ") "; -+ } - elsif ($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).", \@_)"; - } - else { - $code.=' 0'; - } - } - else { -- $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@_)"; -+ $code.=" IkiWiki::PageSpec::match_glob(\$page, \$specFuncsRef, ".safequote($word).", \@_)"; - } - } - -@@ -1657,8 +1666,18 @@ sub pagespec_translate ($) { #{{{ - $code=0; - } - -+ return 'sub { my $page=shift; my $specFuncsRef=shift; '.$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.' }'; -+ return eval $code; - } #}}} - - sub pagespec_match ($$;@) { #{{{ -@@ -1673,7 +1692,7 @@ sub pagespec_match ($$;@) { #{{{ - - my $sub=pagespec_translate($spec); - return IkiWiki::FailReason->new("syntax error in pagespec \"$spec\"") if $@; -- return $sub->($page, @params); -+ return $sub->($page, {}, @params); - } #}}} - - sub pagespec_valid ($) { #{{{ -@@ -1722,13 +1741,77 @@ sub new { #{{{ - - package IkiWiki::PageSpec; - --sub match_glob ($$;@) { #{{{ -+sub check_named_spec($$$;@) { -+ my $page=shift; -+ my $specFuncsRef=shift; -+ my $specName=shift; -+ my %params=@_; -+ -+ return IkiWiki::FailReason->new("Named page spec '$specName' is not valid") -+ 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); -+ $specFuncsRef->{$specName} = $sub; -+ return $result; -+ } else { -+ print "Couldn't find pagespec\n"; -+ return IkiWiki::FailReason->new("Page spec $specName does not exist"); -+ } -+} -+ -+sub check_named_spec_existential($$$$;@) { -+ my $page=shift; -+ my $specFuncsRef=shift; -+ my $specName=shift; -+ my $funcref=shift; -+ my %params=@_; -+ -+ return IkiWiki::FailReason->new("Named page spec '$specName' is not valid") -+ unless (substr($specName, 0, 1) eq '~'); -+ $specName = substr($specName, 1); -+ -+ print "Checking (existential) pagespec named $specName against page $page\n"; -+ -+ if (exists $specFuncsRef->{$specName}) { -+ # remove the named spec from the spec refs -+ # when we recurse to avoid infinite recursion -+ my $sub = $specFuncsRef->{$specName}; -+ $specFuncsRef->{$specName} = undef; -+ -+ foreach my $nextpage (keys %IkiWiki::pagesources) { -+ print "Checking $nextpage against $specName\n"; -+ if ($sub->($nextpage, $specFuncsRef, %params)) { -+ print "Match! Checking spec $nextpage against function from original page $page\n"; -+ my $tempResult = $funcref->($page, $specFuncsRef, $nextpage, %params); -+ return $tempResult if ($tempResult); -+ } -+ } -+ -+ $specFuncsRef->{$specName} = $sub; -+ return IkiWiki::FailReason->new("No page in spec $specName was successfully matched"); -+ } else { -+ print "Couldn't find pagespec\n"; -+ return IkiWiki::FailReason->new("Page spec $specName does not exist"); -+ } -+} -+ -+sub match_glob ($$$;@) { #{{{ - my $page=shift; -+ my $specFuncsRef=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 ($$;@) { #{{{ - $glob="$from/$glob" if length $from; - } - -+ if (substr($glob, 0, 1) eq '~') { -+ return check_named_spec($page, $specFuncsRef, $glob); -+ } -+ - my $regexp=IkiWiki::glob2re($glob); - if ($page=~/^$regexp$/i) { - if (! IkiWiki::isinternal($page) || $params{internal}) { -@@ -1750,17 +1837,29 @@ sub match_glob ($$;@) { #{{{ - } - } #}}} - --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) - } #}}} - --sub match_link ($$;@) { #{{{ -+sub match_link ($$$;@) { #{{{ - 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} ? $params{location} : ''; - -+ if (substr($fulllink, 0, 1) eq '~') { -+ return check_named_spec_existential($page, $specFuncsRef, $fulllink, \&match_link); -+ } -+ - # relative matching - if ($link =~ m!^\.! && defined $from) { - $from=~s#/?[^/]+$##; -@@ -1784,12 +1883,16 @@ sub match_link ($$;@) { #{{{ - return IkiWiki::FailReason->new("$page does not link to $link"); - } #}}} - --sub match_backlink ($$;@) { #{{{ -- return match_link($_[1], $_[0], @_); -+sub match_backlink ($$$;@) { #{{{ -+ my $page=shift; -+ my $specFuncsRef=shift; -+ my $backlink=shift; -+ return match_link($backlink, $specFuncsRef, $page, @_); - } #}}} - --sub match_created_before ($$;@) { #{{{ -+sub match_created_before ($$$;@) { #{{{ - my $page=shift; -+ my $specFuncsRef=shift; - my $testpage=shift; - - if (exists $IkiWiki::pagectime{$testpage}) { -@@ -1805,8 +1908,9 @@ sub match_created_before ($$;@) { #{{{ - } - } #}}} - --sub match_created_after ($$;@) { #{{{ -+sub match_created_after ($$$;@) { #{{{ - my $page=shift; -+ my $specFuncsRef=shift; - my $testpage=shift; - - if (exists $IkiWiki::pagectime{$testpage}) { -@@ -1822,8 +1926,12 @@ sub match_created_after ($$;@) { #{{{ - } - } #}}} - --sub match_creation_day ($$;@) { #{{{ -- if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) { -+sub match_creation_day ($$$;@) { #{{{ -+ my $page=shift; -+ shift; -+ my $time=shift; -+ -+ if ((gmtime($IkiWiki::pagectime{$page}))[3] == $time) { - return IkiWiki::SuccessReason->new('creation_day matched'); - } - else { -@@ -1831,8 +1939,12 @@ sub match_creation_day ($$;@) { #{{{ - } - } #}}} - --sub match_creation_month ($$;@) { #{{{ -- if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) { -+sub match_creation_month ($$$;@) { #{{{ -+ my $page=shift; -+ 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 ($$;@) { #{{{ - } - } #}}} - --sub match_creation_year ($$;@) { #{{{ -- if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { -+sub match_creation_year ($$$;@) { #{{{ -+ my $page=shift; -+ shift; -+ my $time=shift; -+ -+ if ((gmtime($IkiWiki::pagectime{$page}))[5] + 1900 == $time) { - return IkiWiki::SuccessReason->new('creation_year matched'); - } - else { -diff --git a/IkiWiki/Plugin/attachment.pm b/IkiWiki/Plugin/attachment.pm -index f1f792a..a410e48 100644 ---- a/IkiWiki/Plugin/attachment.pm -+++ b/IkiWiki/Plugin/attachment.pm -@@ -291,7 +291,8 @@ sub attachment_list ($) { #{{{ - - package IkiWiki::PageSpec; - --sub match_user ($$;@) { #{{{ -+sub match_user ($$$;@) { #{{{ -+ shift; - shift; - my $user=shift; - my %params=@_; -@@ -311,7 +312,8 @@ sub match_user ($$;@) { #{{{ - } - } #}}} - --sub match_ip ($$;@) { #{{{ -+sub match_ip ($$$;@) { #{{{ -+ shift; - shift; - my $ip=shift; - my %params=@_; -diff --git a/IkiWiki/Plugin/conditional.pm b/IkiWiki/Plugin/conditional.pm -index 7716fce..2110ca0 100644 ---- a/IkiWiki/Plugin/conditional.pm -+++ b/IkiWiki/Plugin/conditional.pm -@@ -70,7 +70,8 @@ sub preprocess_if (@) { #{{{ - - package IkiWiki::PageSpec; - --sub match_enabled ($$;@) { #{{{ -+sub match_enabled ($$$;@) { #{{{ -+ shift; - shift; - my $plugin=shift; - -@@ -83,13 +84,14 @@ sub match_enabled ($$;@) { #{{{ - } - } #}}} - --sub match_sourcepage ($$;@) { #{{{ -+sub match_sourcepage ($$$;@) { #{{{ - shift; -+ my $specFuncsRef=shift; - my $glob=shift; - my %params=@_; - - return IkiWiki::FailReason->new("cannot match sourcepage") unless exists $params{sourcepage}; -- if (match_glob($params{sourcepage}, $glob, @_)) { -+ if (match_glob($params{sourcepage}, $specFuncsRef, $glob, @_)) { - return IkiWiki::SuccessReason->new("sourcepage matches $glob"); - } - else { -@@ -97,13 +99,14 @@ sub match_sourcepage ($$;@) { #{{{ - } - } #}}} - --sub match_destpage ($$;@) { #{{{ -+sub match_destpage ($$$;@) { #{{{ - shift; -+ my $specFuncsRef=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, @_)) { - return IkiWiki::SuccessReason->new("destpage matches $glob"); - } - else { -@@ -111,7 +114,8 @@ sub match_destpage ($$;@) { #{{{ - } - } #}}} - --sub match_included ($$;@) { #{{{ -+sub match_included ($$$;@) { #{{{ -+ shift; - shift; - shift; - my %params=@_; -diff --git a/IkiWiki/Plugin/filecheck.pm b/IkiWiki/Plugin/filecheck.pm -index 6f71be3..bf472c5 100644 ---- a/IkiWiki/Plugin/filecheck.pm -+++ b/IkiWiki/Plugin/filecheck.pm -@@ -66,8 +66,9 @@ sub humansize ($) { #{{{ - - package IkiWiki::PageSpec; - --sub match_maxsize ($$;@) { #{{{ -+sub match_maxsize ($$$;@) { #{{{ - my $page=shift; -+ shift; - my $maxsize=eval{IkiWiki::Plugin::attachment::parsesize(shift)}; - if ($@) { - return IkiWiki::FailReason->new("unable to parse maxsize (or number too large)"); -@@ -87,8 +88,9 @@ sub match_maxsize ($$;@) { #{{{ - } - } #}}} - --sub match_minsize ($$;@) { #{{{ -+sub match_minsize ($$$;@) { #{{{ - my $page=shift; -+ 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 ($$;@) { #{{{ - } - } #}}} - --sub match_mimetype ($$;@) { #{{{ -+sub match_mimetype ($$$;@) { #{{{ - my $page=shift; -+ shift; - my $wanted=shift; - - my %params=@_; -@@ -138,8 +141,9 @@ sub match_mimetype ($$;@) { #{{{ - } - } #}}} - --sub match_virusfree ($$;@) { #{{{ -+sub match_virusfree ($$$;@) { #{{{ - my $page=shift; -+ shift; - my $wanted=shift; - - my %params=@_; -@@ -180,7 +184,7 @@ sub match_virusfree ($$;@) { #{{{ - } - } #}}} - --sub match_ispage ($$;@) { #{{{ -+sub match_ispage ($$$;@) { #{{{ - my $filename=shift; - - if (defined IkiWiki::pagetype($filename)) { -diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm -index b2c85c8..1ee6a69 100644 ---- a/IkiWiki/Plugin/meta.pm -+++ b/IkiWiki/Plugin/meta.pm -@@ -264,6 +264,7 @@ sub pagetemplate (@) { #{{{ - sub match { #{{{ - my $field=shift; - my $page=shift; -+ shift; - - # turn glob into a safe regexp - my $re=IkiWiki::glob2re(shift); -@@ -291,23 +292,23 @@ sub match { #{{{ - - package IkiWiki::PageSpec; - --sub match_title ($$;@) { #{{{ -+sub match_title ($$$;@) { #{{{ - IkiWiki::Plugin::meta::match("title", @_); - } #}}} - --sub match_author ($$;@) { #{{{ -+sub match_author ($$$;@) { #{{{ - IkiWiki::Plugin::meta::match("author", @_); - } #}}} - --sub match_authorurl ($$;@) { #{{{ -+sub match_authorurl ($$$;@) { #{{{ - IkiWiki::Plugin::meta::match("authorurl", @_); - } #}}} - --sub match_license ($$;@) { #{{{ -+sub match_license ($$$;@) { #{{{ - IkiWiki::Plugin::meta::match("license", @_); - } #}}} - --sub match_copyright ($$;@) { #{{{ -+sub match_copyright ($$$;@) { #{{{ - IkiWiki::Plugin::meta::match("copyright", @_); - } #}}} - + diff --git a/IkiWiki.pm b/IkiWiki.pm + index 4e4da11..8b3cdfe 100644 + --- a/IkiWiki.pm + +++ b/IkiWiki.pm + @@ -1550,7 +1550,16 @@ 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 + + /xs); + } + + sub safequote ($) { + @@ -1631,7 +1640,7 @@ sub pagespec_merge ($$) { + return "($a) or ($b)"; + } + + -sub pagespec_translate ($) { + +sub pagespec_makeperl ($) { + my $spec=shift; + + # Support for old-style GlobLists. + @@ -1650,12 +1659,14 @@ sub pagespec_translate ($) { + | + \) # ) + | + - \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 + ) + \s* # ignore whitespace + - }igx) { + + }igxs) { + my $word=$1; + if (lc $word eq 'and') { + $code.=' &&'; + @@ -1666,16 +1677,23 @@ sub pagespec_translate ($) { + elsif ($word eq "(" || $word eq ")" || $word eq "!") { + $code.=' '.$word; + } + - elsif ($word =~ /^(\w+)\((.*)\)$/) { + + elsif ($word =~ /^define\(\s*~(\w+)\s*,(.*)\)$/s) { + + $code .= " (\$params{specFuncs}->{$1}="; # (exists \$params{specFuncs}) && + + $code .= "memoize("; + + $code .= &pagespec_makeperl($2); + + $code .= ")"; + + $code .= ") "; + + } + + elsif ($word =~ /^(\w+)\((.*)\)$/s) { + 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)"; + } + } + + @@ -1683,8 +1701,18 @@ 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 STDERR "Spec '$spec' generated code '$code'\n"; + + + no warnings; + - return eval 'sub { my $page=shift; '.$code.' }'; + + return eval $code; + } + + sub pagespec_match ($$;@) { + @@ -1699,7 +1727,7 @@ sub pagespec_match ($$;@) { + + my $sub=pagespec_translate($spec); + return IkiWiki::FailReason->new("syntax error in pagespec \"$spec\"") if $@; + - return $sub->($page, @params); + + return $sub->($page, @params, specFuncs => {}); + } + + sub pagespec_valid ($) { + @@ -1748,11 +1776,78 @@ sub new { + + package IkiWiki::PageSpec; + + +sub check_named_spec($$;@) { + + my $page=shift; + + my $specName=shift; + + my %params=@_; + + + + error("Unable to find specFuncs in params to check_named_spec()!") unless exists $params{specFuncs}; + + + + my $specFuncsRef=$params{specFuncs}; + + + + return IkiWiki::FailReason->new("Named page spec '$specName' is not valid") + + unless (substr($specName, 0, 1) eq '~'); + + + + $specName = substr($specName, 1); + + + + if (exists $specFuncsRef->{$specName}) { + + # remove the named spec from the spec refs + + # when we recurse to avoid infinite recursion + + my $sub = $specFuncsRef->{$specName}; + + delete $specFuncsRef->{$specName}; + + my $result = $sub->($page, %params); + + $specFuncsRef->{$specName} = $sub; + + return $result; + + } else { + + return IkiWiki::FailReason->new("Page spec '$specName' does not exist"); + + } + +} + + + +sub check_named_spec_existential($$$;@) { + + my $page=shift; + + my $specName=shift; + + my $funcref=shift; + + my %params=@_; + + + + error("Unable to find specFuncs in params to check_named_spec_existential()!") unless exists $params{specFuncs}; + + my $specFuncsRef=$params{specFuncs}; + + + + 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}; + + delete $specFuncsRef->{$specName}; + + + + foreach my $nextpage (keys %IkiWiki::pagesources) { + + if ($sub->($nextpage, %params)) { + + my $tempResult = $funcref->($page, $nextpage, %params); + + if ($tempResult) { + + $specFuncsRef->{$specName} = $sub; + + return $tempResult; + + } + + } + + } + + + + $specFuncsRef->{$specName} = $sub; + + return IkiWiki::FailReason->new("No page in spec '$specName' was successfully matched"); + + } else { + + return IkiWiki::FailReason->new("Named page spec '$specName' does not exist"); + + } + +} + + + sub match_glob ($$;@) { + my $page=shift; + my $glob=shift; + my %params=@_; + + + if (substr($glob, 0, 1) eq '~') { + + return check_named_spec($page, $glob, %params); + + } + + + my $from=exists $params{location} ? $params{location} : ''; + + # relative matching + @@ -1782,11 +1877,12 @@ sub match_internal ($$;@) { + + sub match_link ($$;@) { + my $page=shift; + - my $link=lc(shift); + + my $fulllink=shift; + my %params=@_; + + my $link=lc($fulllink); + + my $from=exists $params{location} ? $params{location} : ''; + - + + + # relative matching + if ($link =~ m!^\.! && defined $from) { + $from=~s#/?[^/]+$##; + @@ -1804,19 +1900,32 @@ sub match_link ($$;@) { + } + else { + return IkiWiki::SuccessReason->new("$page links to page $p matching $link") + - if match_glob($p, $link, %params); + + if match_glob($p, $fulllink, %params); + } + } + return IkiWiki::FailReason->new("$page does not link to $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}) { + @@ -1834,6 +1943,11 @@ 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}) {