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	wakaba	1.1	package Message::DOM::CSSStyleDeclaration;
2			use strict;
3	wakaba	1.10	our $VERSION=do{my @r=(q$Revision: 1.9 $=~/\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 = $$self->{$prop_def->{key}};
25			if ($value) {
26			return $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
27			} else {
28	wakaba	1.10	return "";
29	wakaba	1.3	}
30	wakaba	1.8	## ISSUE: If one of shorthand component properties is !important?
31	wakaba	1.3	};
32			goto &{ $AUTOLOAD };
33			} else {
34			require Carp;
35			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
36			}
37			} # AUTOLOAD
38
39	wakaba	1.1	## \|CSSStyleDeclaration\| attributes
40
41	wakaba	1.2	sub css_text ($;$) {
42	wakaba	1.3	## TODO: setter
43
44	wakaba	1.9	## NOTE: Where and how white space characters are inserted are
45			## intentionally changed from those in browsers so that properties are
46			## more prettily printed.
47			## See <http://suika.fam.cx/gate/2005/sw/cssText> for what browsers do.
48			## TODO: Ordering issue.
49	wakaba	1.3	require Whatpm::CSS::Parser;
50			my $self = $_[0];
51			my $r = '';
52	wakaba	1.7	my %serialized;
53	wakaba	1.3	for (grep {$$self->{$_}} keys %$$self) {
54			my $prop_def = $Whatpm::CSS::Parser::Key->{$_};
55			next unless $prop_def;
56	wakaba	1.7
57			if ($prop_def->{serialize_multiple}) {
58			unless ($serialized{$prop_def->{serialize_multiple}}) {
59			$serialized{$prop_def->{serialize_multiple}} = 1;
60			my $v = $prop_def->{serialize_multiple}->($self);
61			for my $prop_name (sort {$a cmp $b} keys %$v) {
62			$r .= ' ' . $prop_name . ': ' . $v->{$prop_name} . ";\n"
63			}
64			}
65			} else {
66			my $value = $$self->{$_};
67			my $s = $prop_def->{serialize}->($self, $prop_def->{css}, $value->[0]);
68	wakaba	1.10	if (length $s) {
69	wakaba	1.7	$r .= ' ' . $prop_def->{css} . ': ' . $s;
70	wakaba	1.10	$r .= ' ! ' . $value->[1] if length $value->[1];
71	wakaba	1.7	$r .= ";\n";
72			}
73	wakaba	1.3	}
74			}
75			return $r;
76	wakaba	1.2	} # css_text
77
78	wakaba	1.1	sub parent_rule ($) {
79			return ${$_[0]}->{parent_rule};
80			} # parent_rule
81
82	wakaba	1.7	## \|CSSStyleDeclaration\| methods
83
84			sub get_property_priority ($$) {
85			my $prop_name = ''.$_[1];
86
87			require Whatpm::CSS::Parser;
88			my $prop_def = $Whatpm::CSS::Parser::Prop->{$prop_name};
89			return '' unless defined $prop_def;
90
91			my $v = ${$_[0]}->{$prop_def->{key}};
92	wakaba	1.10	return $v ? $v->[1] : '';
93	wakaba	1.7	} # get_property_priority
94
95	wakaba	1.1	## TODO: Implement other methods and attributes
96
97	wakaba	1.4	package Message::DOM::CSSComputedStyleDeclaration;
98			push our @ISA, 'Message::IF::CSSStyleDeclaration';
99
100			sub ____new ($$$) {
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	wakaba	1.7	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	wakaba	1.10	return "";
127	wakaba	1.7	}
128			};
129			goto &{ $AUTOLOAD };
130			} else {
131			require Carp;
132			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
133			}
134			} # AUTOLOAD
135
136	wakaba	1.4	sub css_text ($;$) {
137			## TODO: error if modified
138
139			my $self = shift;
140			require Whatpm::CSS::Parser;
141
142	wakaba	1.9	## 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	wakaba	1.4	## TODO: ordering
147			## TODO: any spec?
148			my $r = '';
149	wakaba	1.7	my %serialized;
150	wakaba	1.6	for my $prop_def (sort {$a->{css} cmp $b->{css}}
151	wakaba	1.7	grep {$_->{compute} or
152			$_->{compute_multiple} or
153			$_->{serialize_multiple}}
154	wakaba	1.6	values %$Whatpm::CSS::Parser::Prop) {
155	wakaba	1.7	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	wakaba	1.5	} else {
164	wakaba	1.7	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	wakaba	1.10	if (length $s) {
168	wakaba	1.7	$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	wakaba	1.4	}
175			}
176	wakaba	1.6
177			## ISSUE: Should we include CSS properties that are not supported?
178
179	wakaba	1.4	return $r;
180			} # css_text
181
182	wakaba	1.7	## \|CSSStyleDeclaration\| methods
183
184	wakaba	1.10	sub get_property_priority ($$) { '' }
185	wakaba	1.7
186	wakaba	1.4	## TODO: members
187
188	wakaba	1.1	package Message::IF::CSSStyleDeclaration;
189
190			1;
191	wakaba	1.10	## $Date: 2008/01/14 05:53:45 $