Message/DOM/CSSStyleDeclaration.pm

package Message::DOM::CSSStyleDeclaration;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.5 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
push our @ISA, 'Message::IF::CSSStyleDeclaration';

sub ____new ($) {
  return bless \{}, $_[0];
} # ____new

sub AUTOLOAD {
  my $method_name = our $AUTOLOAD;
  $method_name =~ s/.*:://;
  return if $method_name eq 'DESTROY';

  require Whatpm::CSS::Parser;
  my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name};

  if ($prop_def) {
    no strict 'refs';
    *{ $method_name } = sub {
      ## TODO: setter

      my $self = $_[0];
      my $value = $$self->{$prop_def->{key}};
      if ($value) {
        return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
      } else {
        return undef;
      }
      ## TODO: null? ""? ... if not set?
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD

## |CSSStyleDeclaration| attributes

sub css_text ($;$) {
  ## TODO: setter

  require Whatpm::CSS::Parser;
  my $self = $_[0];
  my $r = '';
  for (grep {$$self->{$_}} keys %$$self) {
    my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
    next unless $prop_def;
    my $value = $$self->{$_};
    my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
    if (defined $s) {
      $r .= '  ' . $prop_def->{css} . ': ' . $s;
      $r .= ' !' . $value->[1] if defined $value->[1];
      $r .= ";\n";
    }
  }
  ## TODO: shorthands
  return $r;
} # css_text

sub parent_rule ($) {
  return ${$_[0]}->{parent_rule};
} # parent_rule

## TODO: Implement other methods and attributes

package Message::DOM::CSSComputedStyleDeclaration;
push our @ISA, 'Message::IF::CSSStyleDeclaration';

sub ____new ($$$) {
  my $self = bless \{}, shift;
  $$self->{cascade} = shift; # Whatpm::CSS::Cascade object.
  $$self->{element} = shift; ## TODO: This link should be weaken?
  return $self;
} # ____new

sub css_text ($;$) {
  ## TODO: error if modified

  my $self = shift;
  require Whatpm::CSS::Parser;

  ## TODO: ordering
  ## TODO: any spec?
  my $r = '';
  for my $prop_def (sort {$a->{css} cmp $b->{css}}
                    grep {$_->{compute} or $_->{compute_multiple}}
                    values %$Whatpm::CSS::Parser::Prop) {
    my $prop_value = $$self->{cascade}->get_computed_value
        ($$self->{element}, $prop_def->{css});
    my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $prop_value);
    if (defined $s) {
      $r .= '  ' . $prop_def->{css} . ': ' . $s;
      $r .= ";\n";
    } else {
      ## NOTE: This should be an error of the implementation.
      $r .= "  /* $prop_def->{css}: ???; */\n";
    }
  }

  ## ISSUE: Should we include CSS properties that are not supported?

  return $r;
} # css_text

## TODO: members

package Message::IF::CSSStyleDeclaration;

1;
## $Date: 2008/01/01 09:09:16 $
1	wakaba	1.1	package Message::DOM::CSSStyleDeclaration;
2			use strict;
3	wakaba	1.6	our $VERSION=do{my @r=(q$Revision: 1.5 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	wakaba	1.1	push our @ISA, 'Message::IF::CSSStyleDeclaration';
5
6			sub ____new ($) {
7			return bless \{}, $_[0];
8			} # ____new
9
10	wakaba	1.3	sub AUTOLOAD {
11			my $method_name = our $AUTOLOAD;
12			$method_name =~ s/.*:://;
13			return if $method_name eq 'DESTROY';
14
15			require Whatpm::CSS::Parser;
16			my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name};
17
18			if ($prop_def) {
19			no strict 'refs';
20			*{ $method_name } = sub {
21			## TODO: setter
22
23			my $self = $_[0];
24			my $value = $$self->{$prop_def->{key}};
25			if ($value) {
26			return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
27			} else {
28			return undef;
29			}
30			## TODO: null? ""? ... if not set?
31			};
32			goto &{ $AUTOLOAD };
33			} else {
34			require Carp;
35			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
36			}
37			} # AUTOLOAD
38
39	wakaba	1.1	## \|CSSStyleDeclaration\| attributes
40
41	wakaba	1.2	sub css_text ($;$) {
42	wakaba	1.3	## TODO: setter
43
44			require Whatpm::CSS::Parser;
45			my $self = $_[0];
46			my $r = '';
47			for (grep {$$self->{$_}} keys %$$self) {
48			my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
49			next unless $prop_def;
50			my $value = $$self->{$_};
51			my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
52			if (defined $s) {
53			$r .= ' ' . $prop_def->{css} . ': ' . $s;
54			$r .= ' !' . $value->[1] if defined $value->[1];
55			$r .= ";\n";
56			}
57			}
58			## TODO: shorthands
59			return $r;
60	wakaba	1.2	} # css_text
61
62	wakaba	1.1	sub parent_rule ($) {
63			return ${$_[0]}->{parent_rule};
64			} # parent_rule
65
66			## TODO: Implement other methods and attributes
67
68	wakaba	1.4	package Message::DOM::CSSComputedStyleDeclaration;
69			push our @ISA, 'Message::IF::CSSStyleDeclaration';
70
71			sub ____new ($$$) {
72			my $self = bless \{}, shift;
73			$$self->{cascade} = shift; # Whatpm::CSS::Cascade object.
74			$$self->{element} = shift; ## TODO: This link should be weaken?
75			return $self;
76			} # ____new
77
78			sub css_text ($;$) {
79			## TODO: error if modified
80
81			my $self = shift;
82			require Whatpm::CSS::Parser;
83
84			## TODO: ordering
85			## TODO: any spec?
86			my $r = '';
87	wakaba	1.6	for my $prop_def (sort {$a->{css} cmp $b->{css}}
88			grep {$_->{compute} or $_->{compute_multiple}}
89			values %$Whatpm::CSS::Parser::Prop) {
90	wakaba	1.4	my $prop_value = $$self->{cascade}->get_computed_value
91			($$self->{element}, $prop_def->{css});
92			my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $prop_value);
93			if (defined $s) {
94			$r .= ' ' . $prop_def->{css} . ': ' . $s;
95			$r .= ";\n";
96	wakaba	1.5	} else {
97			## NOTE: This should be an error of the implementation.
98			$r .= " /* $prop_def->{css}: ???; */\n";
99	wakaba	1.4	}
100			}
101	wakaba	1.6
102			## ISSUE: Should we include CSS properties that are not supported?
103
104	wakaba	1.4	return $r;
105			} # css_text
106
107			## TODO: members
108
109	wakaba	1.1	package Message::IF::CSSStyleDeclaration;
110
111			1;
112	wakaba	1.6	## $Date: 2008/01/01 09:09:16 $