Message/DOM/CSSStyleDeclaration.pm

package Message::DOM::CSSStyleDeclaration;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\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 = '';
  my %serialized;
  for (grep {$$self->{$_}} keys %$$self) {
    my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
    next unless $prop_def;

    if ($prop_def->{serialize_multiple}) {
      unless ($serialized{$prop_def->{serialize_multiple}}) {
        $serialized{$prop_def->{serialize_multiple}} = 1;
        my $v = $prop_def->{serialize_multiple}->($self);
        for my $prop_name (sort {$a cmp $b} keys %$v) {
          $r .= '  ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
        }
      }
    } else {
      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

## |CSSStyleDeclaration| methods

sub get_property_priority ($$) {
  my $prop_name = ''.$_[1];

  require Whatpm::CSS::Parser;
  my $prop_def = $Whatpm::CSS::Parser::Prop->{$prop_name};
  return '' unless defined $prop_def;

  my $v = ${$_[0]}->{$prop_def->{key}};

  return ((defined $v->[1] and $v->[1] eq 'important') ? 'important' : '');
} # get_property_priority

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

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

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

  ## TODO: ordering
  ## TODO: any spec?
  my $r = '';
  my %serialized;
  for my $prop_def (sort {$a->{css} cmp $b->{css}}
                    grep {$_->{compute} or
                          $_->{compute_multiple} or
                          $_->{serialize_multiple}}
                    values %$Whatpm::CSS::Parser::Prop) {
    if ($prop_def->{serialize_multiple}) {
      unless ($serialized{$prop_def->{serialize_multiple}}) {
        $serialized{$prop_def->{serialize_multiple}} = 1;
        my $v = $prop_def->{serialize_multiple}->($self);
        for my $prop_name (sort {$a cmp $b} keys %$v) {
          $r .= '  ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
        }
      }
    } else {
      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

## |CSSStyleDeclaration| methods

sub get_property_priority ($$) {
  return '';
} # get_property_priority

## TODO: members

package Message::IF::CSSStyleDeclaration;

1;
## $Date: 2008/01/04 14:45:29 $
1	wakaba	1.1	package Message::DOM::CSSStyleDeclaration;
2			use strict;
3	wakaba	1.7	our $VERSION=do{my @r=(q$Revision: 1.6 $=~/\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 = $$self->{$prop_def->{key}};
25			if ($value) {
26			return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
27			} else {
28			return undef;
29			}
30			## TODO: null? ""? ... if not set?
31			};
32			goto &{ $AUTOLOAD };
33			} else {
34			require Carp;
35			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
36			}
37			} # AUTOLOAD
38
39	wakaba	1.1	## \|CSSStyleDeclaration\| attributes
40
41	wakaba	1.2	sub css_text ($;$) {
42	wakaba	1.3	## TODO: setter
43
44			require Whatpm::CSS::Parser;
45			my $self = $_[0];
46			my $r = '';
47	wakaba	1.7	my %serialized;
48	wakaba	1.3	for (grep {$$self->{$_}} keys %$$self) {
49			my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
50			next unless $prop_def;
51	wakaba	1.7
52			if ($prop_def->{serialize_multiple}) {
53			unless ($serialized{$prop_def->{serialize_multiple}}) {
54			$serialized{$prop_def->{serialize_multiple}} = 1;
55			my $v = $prop_def->{serialize_multiple}->($self);
56			for my $prop_name (sort {$a cmp $b} keys %$v) {
57			$r .= ' ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
58			}
59			}
60			} else {
61			my $value = $$self->{$_};
62			my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
63			if (defined $s) {
64			$r .= ' ' . $prop_def->{css} . ': ' . $s;
65			$r .= ' !' . $value->[1] if defined $value->[1];
66			$r .= ";\n";
67			}
68	wakaba	1.3	}
69			}
70			## TODO: shorthands
71			return $r;
72	wakaba	1.2	} # css_text
73
74	wakaba	1.1	sub parent_rule ($) {
75			return ${$_[0]}->{parent_rule};
76			} # parent_rule
77
78	wakaba	1.7	## \|CSSStyleDeclaration\| methods
79
80			sub get_property_priority ($$) {
81			my $prop_name = ''.$_[1];
82
83			require Whatpm::CSS::Parser;
84			my $prop_def = $Whatpm::CSS::Parser::Prop->{$prop_name};
85			return '' unless defined $prop_def;
86
87			my $v = ${$_[0]}->{$prop_def->{key}};
88
89			return ((defined $v->[1] and $v->[1] eq 'important') ? 'important' : '');
90			} # get_property_priority
91
92	wakaba	1.1	## TODO: Implement other methods and attributes
93
94	wakaba	1.4	package Message::DOM::CSSComputedStyleDeclaration;
95			push our @ISA, 'Message::IF::CSSStyleDeclaration';
96
97			sub ____new ($$$) {
98			my $self = bless \{}, shift;
99			$$self->{cascade} = shift; # Whatpm::CSS::Cascade object.
100			$$self->{element} = shift; ## TODO: This link should be weaken?
101			return $self;
102			} # ____new
103
104	wakaba	1.7	sub AUTOLOAD {
105			my $method_name = our $AUTOLOAD;
106			$method_name =~ s/.*:://;
107			return if $method_name eq 'DESTROY';
108
109			require Whatpm::CSS::Parser;
110			my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name};
111
112			if ($prop_def) {
113			no strict 'refs';
114			*{ $method_name } = sub {
115			## TODO: setter
116
117			my $self = $_[0];
118			my $value = $$self->{cascade}->get_computed_value
119			($$self->{element}, $prop_def->{css});
120			if ($value) {
121			return $prop_def->{serialize}->($self, $prop_def->{css}, $value);
122			} else {
123			return undef;
124			}
125			## TODO: null? ""? ... if not set?
126			};
127			goto &{ $AUTOLOAD };
128			} else {
129			require Carp;
130			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
131			}
132			} # AUTOLOAD
133
134	wakaba	1.4	sub css_text ($;$) {
135			## TODO: error if modified
136
137			my $self = shift;
138			require Whatpm::CSS::Parser;
139
140			## TODO: ordering
141			## TODO: any spec?
142			my $r = '';
143	wakaba	1.7	my %serialized;
144	wakaba	1.6	for my $prop_def (sort {$a->{css} cmp $b->{css}}
145	wakaba	1.7	grep {$_->{compute} or
146			$_->{compute_multiple} or
147			$_->{serialize_multiple}}
148	wakaba	1.6	values %$Whatpm::CSS::Parser::Prop) {
149	wakaba	1.7	if ($prop_def->{serialize_multiple}) {
150			unless ($serialized{$prop_def->{serialize_multiple}}) {
151			$serialized{$prop_def->{serialize_multiple}} = 1;
152			my $v = $prop_def->{serialize_multiple}->($self);
153			for my $prop_name (sort {$a cmp $b} keys %$v) {
154			$r .= ' ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
155			}
156			}
157	wakaba	1.5	} else {
158	wakaba	1.7	my $prop_value = $$self->{cascade}->get_computed_value
159			($$self->{element}, $prop_def->{css});
160			my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $prop_value);
161			if (defined $s) {
162			$r .= ' ' . $prop_def->{css} . ': ' . $s;
163			$r .= ";\n";
164			} else {
165			## NOTE: This should be an error of the implementation.
166			$r .= " /* $prop_def->{css}: ???; */\n";
167			}
168	wakaba	1.4	}
169			}
170	wakaba	1.6
171			## ISSUE: Should we include CSS properties that are not supported?
172
173	wakaba	1.4	return $r;
174			} # css_text
175
176	wakaba	1.7	## \|CSSStyleDeclaration\| methods
177
178			sub get_property_priority ($$) {
179			return '';
180			} # get_property_priority
181
182	wakaba	1.4	## TODO: members
183
184	wakaba	1.1	package Message::IF::CSSStyleDeclaration;
185
186			1;
187	wakaba	1.7	## $Date: 2008/01/04 14:45:29 $