Message/DOM/CSSStyleDeclaration.pm

package Message::DOM::CSSStyleDeclaration;
use strict;
our $VERSION=do{my @r=(q$Revision: 1.9 $=~/\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 "";
      }
      ## ISSUE: If one of shorthand component properties is !important?
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD

## |CSSStyleDeclaration| attributes

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

  ## NOTE: Where and how white space characters are inserted are 
  ## intentionally changed from those in browsers so that properties are
  ## more prettily printed.
  ## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do.
  ## TODO: Ordering issue.
  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 (length $s) {
        $r .= '  ' . $prop_def->{css} . ': ' . $s;
        $r .= ' ! ' . $value->[1] if length $value->[1];
        $r .= ";\n";
      }
    }
  }
  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 $v ? $v->[1] : '';
} # 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 "";
      }
    };
    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;

  ## NOTE: Where and how white space characters are inserted are 
  ## intentionally changed from those in browsers so that properties are
  ## more prettily printed.
  ## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do.
  ## 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 (length $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 ($$) { '' }

## TODO: members

package Message::IF::CSSStyleDeclaration;

1;
## $Date: 2008/01/14 05:53:45 $
1	package Message::DOM::CSSStyleDeclaration;
2	use strict;
3	our $VERSION=do{my @r=(q$Revision: 1.9 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	push our @ISA, 'Message::IF::CSSStyleDeclaration';
5
6	sub ____new ($) {
7	return bless \{}, $_[0];
8	} # ____new
9
10	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 = $$self->{$prop_def->{key}};
25	if ($value) {
26	return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
27	} else {
28	return "";
29	}
30	## ISSUE: If one of shorthand component properties is !important?
31	};
32	goto &{ $AUTOLOAD };
33	} else {
34	require Carp;
35	Carp::croak (qq<Can't locate method "$AUTOLOAD">);
36	}
37	} # AUTOLOAD
38
39	## \|CSSStyleDeclaration\| attributes
40
41	sub css_text ($;$) {
42	## TODO: setter
43
44	## NOTE: Where and how white space characters are inserted are
45	## intentionally changed from those in browsers so that properties are
46	## more prettily printed.
47	## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do.
48	## TODO: Ordering issue.
49	require Whatpm::CSS::Parser;
50	my $self = $_[0];
51	my $r = '';
52	my %serialized;
53	for (grep {$$self->{$_}} keys %$$self) {
54	my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
55	next unless $prop_def;
56
57	if ($prop_def->{serialize_multiple}) {
58	unless ($serialized{$prop_def->{serialize_multiple}}) {
59	$serialized{$prop_def->{serialize_multiple}} = 1;
60	my $v = $prop_def->{serialize_multiple}->($self);
61	for my $prop_name (sort {$a cmp $b} keys %$v) {
62	$r .= ' ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
63	}
64	}
65	} else {
66	my $value = $$self->{$_};
67	my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
68	if (length $s) {
69	$r .= ' ' . $prop_def->{css} . ': ' . $s;
70	$r .= ' ! ' . $value->[1] if length $value->[1];
71	$r .= ";\n";
72	}
73	}
74	}
75	return $r;
76	} # css_text
77
78	sub parent_rule ($) {
79	return ${$_[0]}->{parent_rule};
80	} # parent_rule
81
82	## \|CSSStyleDeclaration\| methods
83
84	sub get_property_priority ($$) {
85	my $prop_name = ''.$_[1];
86
87	require Whatpm::CSS::Parser;
88	my $prop_def = $Whatpm::CSS::Parser::Prop->{$prop_name};
89	return '' unless defined $prop_def;
90
91	my $v = ${$_[0]}->{$prop_def->{key}};
92	return $v ? $v->[1] : '';
93	} # get_property_priority
94
95	## TODO: Implement other methods and attributes
96
97	package Message::DOM::CSSComputedStyleDeclaration;
98	push our @ISA, 'Message::IF::CSSStyleDeclaration';
99
100	sub ____new ($$$) {
101	my $self = bless \{}, shift;
102	$$self->{cascade} = shift; # Whatpm::CSS::Cascade object.
103	$$self->{element} = shift; ## TODO: This link should be weaken?
104	return $self;
105	} # ____new
106
107	sub AUTOLOAD {
108	my $method_name = our $AUTOLOAD;
109	$method_name =~ s/.*:://;
110	return if $method_name eq 'DESTROY';
111
112	require Whatpm::CSS::Parser;
113	my $prop_def = $Whatpm::CSS::Parser::Attr->{$method_name};
114
115	if ($prop_def) {
116	no strict 'refs';
117	*{ $method_name } = sub {
118	## TODO: setter
119
120	my $self = $_[0];
121	my $value = $$self->{cascade}->get_computed_value
122	($$self->{element}, $prop_def->{css});
123	if ($value) {
124	return $prop_def->{serialize}->($self, $prop_def->{css}, $value);
125	} else {
126	return "";
127	}
128	};
129	goto &{ $AUTOLOAD };
130	} else {
131	require Carp;
132	Carp::croak (qq<Can't locate method "$AUTOLOAD">);
133	}
134	} # AUTOLOAD
135
136	sub css_text ($;$) {
137	## TODO: error if modified
138
139	my $self = shift;
140	require Whatpm::CSS::Parser;
141
142	## NOTE: Where and how white space characters are inserted are
143	## intentionally changed from those in browsers so that properties are
144	## more prettily printed.
145	## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do.
146	## TODO: ordering
147	## TODO: any spec?
148	my $r = '';
149	my %serialized;
150	for my $prop_def (sort {$a->{css} cmp $b->{css}}
151	grep {$_->{compute} or
152	$_->{compute_multiple} or
153	$_->{serialize_multiple}}
154	values %$Whatpm::CSS::Parser::Prop) {
155	if ($prop_def->{serialize_multiple}) {
156	unless ($serialized{$prop_def->{serialize_multiple}}) {
157	$serialized{$prop_def->{serialize_multiple}} = 1;
158	my $v = $prop_def->{serialize_multiple}->($self);
159	for my $prop_name (sort {$a cmp $b} keys %$v) {
160	$r .= ' ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
161	}
162	}
163	} else {
164	my $prop_value = $$self->{cascade}->get_computed_value
165	($$self->{element}, $prop_def->{css});
166	my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $prop_value);
167	if (length $s) {
168	$r .= ' ' . $prop_def->{css} . ': ' . $s;
169	$r .= ";\n";
170	} else {
171	## NOTE: This should be an error of the implementation.
172	$r .= " /* $prop_def->{css}: ???; */\n";
173	}
174	}
175	}
176
177	## ISSUE: Should we include CSS properties that are not supported?
178
179	return $r;
180	} # css_text
181
182	## \|CSSStyleDeclaration\| methods
183
184	sub get_property_priority ($$) { '' }
185
186	## TODO: members
187
188	package Message::IF::CSSStyleDeclaration;
189
190	1;
191	## $Date: 2008/01/14 05:53:45 $