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package Message::DOM::CSSStyleDeclaration; |
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use strict; |
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our $VERSION=do{my @r=(q$Revision: 1.12 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r}; |
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push our @ISA, 'Message::IF::CSSStyleDeclaration', |
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'Message::IF::CSS2Properties'; |
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|
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sub ____new ($) { |
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return bless \{}, $_[0]; |
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} # ____new |
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|
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sub AUTOLOAD { |
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my $method_name = our $AUTOLOAD; |
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$method_name =~ s/.*:://; |
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return if $method_name eq 'DESTROY'; |
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|
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require Whatpm::CSS::Parser; |
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my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name}; |
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|
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if ($prop_def) { |
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no strict 'refs'; |
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if ($prop_def->{serialize}) { |
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*{ $method_name } = sub { |
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## TODO: setter |
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|
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my $self = $_[0]; |
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my $value = $$self->{$prop_def->{key}}; |
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if ($value) { |
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return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]); |
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} else { |
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return ''; |
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} |
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}; |
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} elsif ($prop_def->{serialize_shorthand} or |
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$prop_def->{serialize_multiple}) { |
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*{ $method_name } = sub { |
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## TODO: setter |
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|
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my $self = $_[0]; |
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my $v = ($prop_def->{serialize_shorthand} or |
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$prop_def->{serialize_multiple})->($self); |
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if (defined $v->{$prop_def->{css}}) { |
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return $v->{$prop_def->{css}}->[0]; |
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} else { |
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return ''; |
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} |
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## ISSUE: If one of shorthand component properties is !important? |
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}; |
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} else { |
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die qq<Implementation error: Can't load serializer for "$AUTOLOAD">; |
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} |
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goto &{ $AUTOLOAD }; |
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} else { |
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require Carp; |
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Carp::croak (qq<Can't locate method "$AUTOLOAD">); |
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} |
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} # AUTOLOAD |
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|
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use overload |
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'@{}' => sub { |
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tie my @list, ref $_[0], $_[0]; |
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return \@list; |
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}, |
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fallback => 1; |
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|
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sub TIEARRAY ($$) { $_[1] } |
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|
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## |CSSStyleDeclaration| attributes |
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|
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sub css_text ($;$) { |
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## TODO: setter |
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|
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## NOTE: Where and how white space characters are inserted are |
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## intentionally changed from those in browsers so that properties are |
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## more prettily printed. |
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## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do. |
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## TODO: Ordering issue. |
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require Whatpm::CSS::Parser; |
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my $self = $_[0]; |
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my $r = ''; |
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my %serialized; |
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for (sort {$a cmp $b} grep {$$self->{$_}} keys %$$self) { |
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my $prop_def = $Whatpm::CSS::Parser::Key->{$_}; |
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next unless $prop_def; |
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|
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if ($prop_def->{serialize_multiple}) { |
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unless ($serialized{$prop_def->{serialize_multiple}}) { |
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$serialized{$prop_def->{serialize_multiple}} = 1; |
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my $v = $prop_def->{serialize_multiple}->($self); |
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for my $prop_name (sort {$a cmp $b} keys %$v) { |
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$r .= ' ' . $prop_name . ': ' . $v->{$prop_name}->[0] |
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. $v->{$prop_name}->[1] . ";\n" |
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} |
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} |
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} else { |
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my $value = $$self->{$_}; |
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my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]); |
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if (length $s) { |
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$r .= ' ' . $prop_def->{css} . ': ' . $s; |
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$r .= ' ! ' . $value->[1] if length $value->[1]; |
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$r .= ";\n"; |
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} |
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} |
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} |
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return $r; |
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} # css_text |
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|
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sub length ($) { |
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require Whatpm::CSS::Parser; |
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return scalar @{[grep {$_} |
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map { $Whatpm::CSS::Parser::Key->{$_} } |
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keys %${$_[0]}]->[$_[1]]}; |
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} # length |
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*FETCHSIZE = \&length; |
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|
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## TODO: STORESIZE |
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|
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sub parent_rule ($) { |
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return ${$_[0]}->{parent_rule}; |
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} # parent_rule |
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|
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## |CSSStyleDeclaration| methods |
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|
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sub get_property_priority ($$) { |
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my $prop_name = ''.$_[1]; |
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|
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require Whatpm::CSS::Parser; |
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my $prop_def = $Whatpm::CSS::Parser::Prop->{$prop_name}; |
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return '' unless defined $prop_def; |
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|
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my $v = ${$_[0]}->{$prop_def->{key}}; |
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return $v ? $v->[1] : ''; |
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} # get_property_priority |
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|
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sub item ($$) { |
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require Whatpm::CSS::Parser; |
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return '' if $_[1] < 0; |
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## TODO: ordering (should be same as that in |css_text|. |
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my $v = [map {$_->{key}} |
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grep {$_} |
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map { $Whatpm::CSS::Parser::Key->{$_} } |
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keys %${$_[0]}]->[$_[1]]; |
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return defined $v ? $v : ''; |
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} # item |
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*FETCH = \&item; |
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|
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## TODO: STORE, DELETE |
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|
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sub EXISTS ($$) { |
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return length $_[0]->item; |
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} # EXISTS |
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|
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## TODO: Implement other methods and attributes |
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|
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package Message::DOM::CSSComputedStyleDeclaration; |
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push our @ISA, 'Message::IF::CSSStyleDeclaration', |
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'Message::IF::CSS2Properties'; |
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|
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sub ____new ($$$) { |
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my $self = bless \{}, shift; |
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$$self->{cascade} = shift; # Whatpm::CSS::Cascade object. |
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$$self->{element} = shift; ## TODO: This link should be weaken? |
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return $self; |
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} # ____new |
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|
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sub AUTOLOAD { |
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my $method_name = our $AUTOLOAD; |
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$method_name =~ s/.*:://; |
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return if $method_name eq 'DESTROY'; |
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|
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require Whatpm::CSS::Parser; |
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my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name}; |
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|
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if ($prop_def) { |
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no strict 'refs'; |
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if ($prop_def->{compute} or $prop_def->{compute_multiple}) { |
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*{ $method_name } = sub { |
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## TODO: setter |
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|
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my $self = $_[0]; |
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my $value = $$self->{cascade}->get_computed_value |
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($$self->{element}, $prop_def->{css}); |
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if ($value) { |
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return $prop_def->{serialize}->($self, $prop_def->{css}, $value); |
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} else { |
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return ''; |
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} |
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}; |
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} elsif ($prop_def->{serialize_shorthand} or |
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$prop_def->{serialize_multiple}) { |
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*{ $method_name } = sub { |
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## TODO: setter |
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my $self = shift; |
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|
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my $v = ($prop_def->{serialize_shorthand} or |
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$prop_def->{serialize_multiple})->($self); |
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if (defined $v->{$prop_def->{css}}) { |
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return $v->{$prop_def->{css}}->[0]; |
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} else { |
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return ''; |
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} |
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}; |
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} else { |
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## TODO: This should be an error of the implementation. |
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## However, currently some shorthand properties does not have |
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## serializer. |
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## TODO: Remove {serialize} from shorthand properties, since |
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## they have no effect. |
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warn "$0: No computed value function for $method_name"; |
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#die "$0: No computed value function for $method_name"; |
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*{ $method_name } = sub { }; |
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} |
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goto &{ $AUTOLOAD }; |
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} else { |
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require Carp; |
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Carp::croak (qq<Can't locate method "$AUTOLOAD">); |
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} |
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} # AUTOLOAD |
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|
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use overload |
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'@{}' => sub { |
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tie my @list, ref $_[0], $_[0]; |
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return \@list; |
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}, |
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fallback => 1; |
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|
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sub TIEARRAY ($$) { $_[1] } |
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|
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## |CSSStyleDeclaration| attributes |
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|
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sub css_text ($;$) { |
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## TODO: error if modified |
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|
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my $self = shift; |
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require Whatpm::CSS::Parser; |
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|
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## NOTE: Where and how white space characters are inserted are |
| 237 |
## intentionally changed from those in browsers so that properties are |
| 238 |
## more prettily printed. |
| 239 |
## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do. |
| 240 |
## TODO: ordering |
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## TODO: any spec? |
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my $r = ''; |
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my %serialized; |
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for my $prop_def (sort {$a->{css} cmp $b->{css}} |
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grep {$_->{compute} or |
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$_->{compute_multiple} or |
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$_->{serialize_multiple}} |
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values %$Whatpm::CSS::Parser::Prop) { |
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if ($prop_def->{serialize_multiple}) { |
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unless ($serialized{$prop_def->{serialize_multiple}}) { |
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$serialized{$prop_def->{serialize_multiple}} = 1; |
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my $v = $prop_def->{serialize_multiple}->($self); |
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for my $prop_name (sort {$a cmp $b} keys %$v) { |
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$r .= ' ' . $prop_name . ': ' . $v->{$prop_name}->[0] |
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. $v->{$prop_name}->[1] . ";\n" |
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} |
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} |
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} else { |
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my $prop_value = $$self->{cascade}->get_computed_value |
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($$self->{element}, $prop_def->{css}); |
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my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $prop_value); |
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if (length $s) { |
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$r .= ' ' . $prop_def->{css} . ': ' . $s; |
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$r .= ";\n"; |
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} else { |
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## NOTE: This should be an error of the implementation. |
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$r .= " /* $prop_def->{css}: ???; */\n"; |
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} |
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} |
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} |
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|
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## ISSUE: Should we include CSS properties that are not supported? |
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|
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return $r; |
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} # css_text |
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|
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## TODO: What should we enumerate is unclear. |
| 278 |
sub length ($) { |
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require Whatpm::CSS::Parser; |
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return scalar @{[grep {$_} |
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values %$Whatpm::CSS::Parser::Key]}; |
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} # length |
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*FETCHSIZE = \&length; |
| 284 |
|
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## TODO: STORESIZE |
| 286 |
|
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## |CSSStyleDeclaration| methods |
| 288 |
|
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sub get_property_priority ($$) { '' } |
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|
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sub item ($$) { |
| 292 |
require Whatpm::CSS::Parser; |
| 293 |
return '' if $_[1] < 0; |
| 294 |
## TODO: ordering (should be same as that in |css_text|. |
| 295 |
my $v = [sort {$a cmp $b} |
| 296 |
map {$_->{css}} |
| 297 |
grep {$_} |
| 298 |
values %$Whatpm::CSS::Parser::Key]->[$_[1]]; |
| 299 |
return defined $v ? $v : ''; |
| 300 |
} # item |
| 301 |
*FETCH = \&item; |
| 302 |
|
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## TODO: STORE, DELETE |
| 304 |
|
| 305 |
sub EXISTS ($$) { |
| 306 |
return length $_[0]->item; |
| 307 |
} # EXISTS |
| 308 |
|
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## TODO: members |
| 310 |
|
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package Message::IF::CSSStyleDeclaration; |
| 312 |
package Message::IF::CSS2Properties; |
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|
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1; |
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## $Date: 2008/01/14 13:56:35 $ |
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