diff options
| -rw-r--r-- | doc/bugs/Filenames_with_colons_cause_problems_for_Windows_users.mdwn | 22 | ||||
| -rw-r--r-- | doc/todo/tracking_bugs_with_dependencies.mdwn | 268 |
2 files changed, 287 insertions, 3 deletions
diff --git a/doc/bugs/Filenames_with_colons_cause_problems_for_Windows_users.mdwn b/doc/bugs/Filenames_with_colons_cause_problems_for_Windows_users.mdwn index b02239171..289e3534f 100644 --- a/doc/bugs/Filenames_with_colons_cause_problems_for_Windows_users.mdwn +++ b/doc/bugs/Filenames_with_colons_cause_problems_for_Windows_users.mdwn @@ -17,7 +17,16 @@ Windows does not support filenames containing any of these characters: `/ \ * : >>> the source repo it's working on has a file with a problem character >>> added to it, since the breakage will happen at the revision control >>> system level. ->>> + +>>>> Just a quick note that the version control community generally doesn't +>>>> agree with that view. They'll store what you ask them to store. If you +>>>> want to work cross platform, then you need to make sure that all +>>>> your file names work on all the platforms you're interested in. (Note: many systems will +>>>> warn on commit, but not all. Many systems also have a way to fix +>>>> the problem without checking out, but not all.) Another common place for this to +>>>> arise is case insensitive file systems. If you have two files committed +>>>> that differ only in case, then you cannot check out on a Mac in most systems. + >>> OTOH, there are some simple mods to ikiwiki that can make it escape >>> colons etc the same way it already escapes other problem characters >>> like "*", "?", etc. Without actually testing it, it should suffice to @@ -32,7 +41,16 @@ Windows does not support filenames containing any of these characters: `/ \ * : >>> annoying transition. I could do a OS test and do it in Windows, but then >>> there would be interop problems if a Windows and non-windows system both >>> acted on the same wiki source. ->>> + +>>>> I haven't checked the source, but need this break existing wikis? +>>>> I can imagine a system where a colon gets converted to something safe, +>>>> and the safe encoding gets converted back to a colon. But if you +>>>> already have a colon, that doesn't get converted and stays a colon, and +>>>> so it should still work shouldn't it? The only +>>>> problem would be with pages that already have the 'safe encoding for a colon'. +>>>> They'll suddenly change names. Well, I should finish frying my current fish +>>>> before taking on something new, so I'll shut up now :). -- [[Will]] + >>> So, I guess it has to be a config option, possibly defaulting on >>> when the OS is Windows. And if being able to checkout/etc the wiki >>> source on windows systems is desired, you'd have to remember to turn diff --git a/doc/todo/tracking_bugs_with_dependencies.mdwn b/doc/todo/tracking_bugs_with_dependencies.mdwn index a2287cdf4..53b5fc070 100644 --- a/doc/todo/tracking_bugs_with_dependencies.mdwn +++ b/doc/todo/tracking_bugs_with_dependencies.mdwn @@ -136,7 +136,13 @@ The following three inlines work for me with this patch: >>>> `%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? @@ -144,6 +150,8 @@ The following three inlines work for me with this patch: >>> 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 @@ -167,6 +175,11 @@ The following three inlines work for me with this patch: >>> 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. @@ -631,3 +644,256 @@ index b2c85c8..788f248 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}) { |