Message/DOM/CSSStyleSheet.pm

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

sub ____new ($;%) {
  my $class = shift;
  my $self = bless \{@_}, $class;
  for (@{$$self->{css_rules}}) {
    ${$_}->{parent_style_sheet} = $self;
    Scalar::Util::weaken (${$_}->{parent_style_sheet});
  }
  return $self;
} # ____new

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

  if ({
    ## Read-only attributes (trivial accessors)
    href => 1,
    owner_node => 1,
    owner_rule => 1,
    parent_style_sheet => 1,
    type => 1,
  }->{$method_name}) {
    no strict 'refs';
    eval qq{
      sub $method_name (\$) {
        return \${\$_[0]}->{$method_name}; 
      }
    };
    goto &{ $AUTOLOAD };
  } else {
    require Carp;
    Carp::croak (qq<Can't locate method "$AUTOLOAD">);
  }
} # AUTOLOAD

## |StyleSheet| attributes

## TODO: documentation
sub manakai_base_uri ($) {
  if (defined ${$_[0]}->{manakai_base_uri}) {
    return ${$_[0]}->{manakai_base_uri};
  } else {
    return ${$_[0]}->{href}; ## NOTE: Might be |undef|.
  }
} # manakai_base_uri

sub disabled ($;$) {
  if (@_ > 1) {
    if ($_[1]) {
      ${$_[0]}->{disabled} = 1;
    } else {
      delete ${$_[0]}->{disabled};
    }
  }
  return ${$_[0]}->{disabled};
} # disabled

sub href ($);

sub media ($;$) {
  if (@_ > 1) {
    local $Error::Depth = $Error::Depth + 1;
    ${+shift}->{media}->media_text (@_);
  }
  return ${$_[0]}->{media};
} # media

sub owner_node ($);

sub parent_style_sheet ($);

sub title ($;$) {
  if (@_ > 1) {
    if (defined $_[1]) {
      ${$_[0]}->{title} = ''.$_[1];
    } else {
      delete ${$_[0]}->{title};
    }
  }
  return ${$_[0]}->{title};
} # title

sub type ($);

## |CSSStyleSheet| attributes

sub css_rules ($) {
  require Message::DOM::CSSRuleList;
  return bless \\($_[0]), 'Message::DOM::CSSRuleList';
} # css_rules

## NOTE: This is a manakai extension.
sub css_text ($;$) {
  ## TODO: setter

  my $r = '';
  local $Error::Depth = $Error::Depth + 1;
  for my $rule (@{$_[0]->css_rules}) {
    $r .= $rule->css_text . "\n"; ## TODO: \x0D\x0A? \x0A?
  }
  return $r;
} # css_text

sub owner_rule ($);

## |CSSStyleSheet| methods

sub delete_rule ($$) {
  if ($_[1] < 0 or $_[1] > @{${$_[0]}->{css_rules}}) {
    report Message::DOM::DOMException
        -object => $_[0],
        -type => 'INDEX_SIZE_ERR',
        -subtype => 'INDEX_OUT_OF_BOUND_ERR';
  } else {
    my $rule = ${$_[0]}->{css_rules}->[$_[1]];
    delete $rule->{parent_rule};
    delete ${$_[0]}->{css_rules}->[$_[1]];
  }
} # delete_rule

## TODO: insert_rule

## TODO: Documentation
sub manakai_is_default_namespace ($$) {
  my $uri = $_[1];
  for my $rule (@{$_[0]->css_rules}) {
    next if $rule->type == 2 or $rule->type == 3; # CHARSET_RULE or IMPORT_RULE
    return 0 if $rule->type != 7; # NAMESPACE_RULE

    ## TODO: Can we insert NAMESPACE_RULE after other kinds of rules
    ## by insert_rule?

    if ($uri eq $rule->namespace_uri) {
      return 1 if $rule->prefix eq '';
    }
  }

  return 0;
} # manakai_is_default_namespace

## TODO: Documentation
sub manakai_lookup_namespace_prefix ($$) {
  my $uri = $_[1];
  for my $rule (@{$_[0]->css_rules}) {
    next if $rule->type == 2 or $rule->type == 3; # CHARSET_RULE or IMPORT_RULE
    return undef if $rule->type != 7; # NAMESPACE_RULE

    ## TODO: Can we insert NAMESPACE_RULE after other kinds of rules
    ## by insert_rule?

    if ($uri eq $rule->namespace_uri) {
      my $prefix = $rule->prefix;
      return $prefix if $prefix ne '';
    }
  }

  return undef;
} # manakai_lookup_namespace_prefix

package Message::IF::StyleSheet;
package Message::IF::CSSStyleSheet;

1;
## $Date: 2007/12/23 15:45:49 $
1	wakaba	1.1	package Message::DOM::CSSStyleSheet;
2			use strict;
3	wakaba	1.6	our $VERSION=do{my @r=(q$Revision: 1.5 $=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4	wakaba	1.1	push our @ISA, 'Message::IF::CSSStyleSheet';
5	wakaba	1.2	require Message::DOM::DOMException;
6			require Scalar::Util;
7	wakaba	1.1
8	wakaba	1.3	sub ____new ($;%) {
9	wakaba	1.2	my $class = shift;
10			my $self = bless \{@_}, $class;
11			for (@{$$self->{css_rules}}) {
12			${$_}->{parent_style_sheet} = $self;
13			Scalar::Util::weaken (${$_}->{parent_style_sheet});
14			}
15			return $self;
16	wakaba	1.3	} # ____new
17	wakaba	1.1
18			sub AUTOLOAD {
19			my $method_name = our $AUTOLOAD;
20			$method_name =~ s/.*:://;
21			return if $method_name eq 'DESTROY';
22
23			if ({
24			## Read-only attributes (trivial accessors)
25			href => 1,
26			owner_node => 1,
27			owner_rule => 1,
28			parent_style_sheet => 1,
29			type => 1,
30			}->{$method_name}) {
31			no strict 'refs';
32			eval qq{
33			sub $method_name (\$) {
34			return \${\$_[0]}->{$method_name};
35			}
36			};
37			goto &{ $AUTOLOAD };
38			} else {
39			require Carp;
40			Carp::croak (qq<Can't locate method "$AUTOLOAD">);
41			}
42			} # AUTOLOAD
43
44			## \|StyleSheet\| attributes
45
46	wakaba	1.6	## TODO: documentation
47			sub manakai_base_uri ($) {
48			if (defined ${$_[0]}->{manakai_base_uri}) {
49			return ${$_[0]}->{manakai_base_uri};
50			} else {
51			return ${$_[0]}->{href}; ## NOTE: Might be \|undef\|.
52			}
53			} # manakai_base_uri
54
55	wakaba	1.1	sub disabled ($;$) {
56			if (@_ > 1) {
57			if ($_[1]) {
58			${$_[0]}->{disabled} = 1;
59			} else {
60			delete ${$_[0]}->{disabled};
61			}
62			}
63			return ${$_[0]}->{disabled};
64			} # disabled
65
66			sub href ($);
67
68	wakaba	1.2	sub media ($;$) {
69			if (@_ > 1) {
70			local $Error::Depth = $Error::Depth + 1;
71			${+shift}->{media}->media_text (@_);
72			}
73			return ${$_[0]}->{media};
74			} # media
75	wakaba	1.1
76			sub owner_node ($);
77
78			sub parent_style_sheet ($);
79
80			sub title ($;$) {
81			if (@_ > 1) {
82			if (defined $_[1]) {
83			${$_[0]}->{title} = ''.$_[1];
84			} else {
85			delete ${$_[0]}->{title};
86			}
87			}
88			return ${$_[0]}->{title};
89			} # title
90
91			sub type ($);
92
93			## \|CSSStyleSheet\| attributes
94
95			sub css_rules ($) {
96			require Message::DOM::CSSRuleList;
97			return bless \\($_[0]), 'Message::DOM::CSSRuleList';
98			} # css_rules
99
100	wakaba	1.3	## NOTE: This is a manakai extension.
101			sub css_text ($;$) {
102			## TODO: setter
103
104			my $r = '';
105			local $Error::Depth = $Error::Depth + 1;
106			for my $rule (@{$_[0]->css_rules}) {
107	wakaba	1.4	$r .= $rule->css_text . "\n"; ## TODO: \x0D\x0A? \x0A?
108	wakaba	1.3	}
109			return $r;
110			} # css_text
111
112	wakaba	1.1	sub owner_rule ($);
113
114			## \|CSSStyleSheet\| methods
115
116	wakaba	1.2	sub delete_rule ($$) {
117			if ($_[1] < 0 or $_[1] > @{${$_[0]}->{css_rules}}) {
118			report Message::DOM::DOMException
119			-object => $_[0],
120			-type => 'INDEX_SIZE_ERR',
121			-subtype => 'INDEX_OUT_OF_BOUND_ERR';
122			} else {
123			my $rule = ${$_[0]}->{css_rules}->[$_[1]];
124			delete $rule->{parent_rule};
125			delete ${$_[0]}->{css_rules}->[$_[1]];
126			}
127			} # delete_rule
128	wakaba	1.1
129			## TODO: insert_rule
130
131	wakaba	1.5	## TODO: Documentation
132			sub manakai_is_default_namespace ($$) {
133			my $uri = $_[1];
134			for my $rule (@{$_[0]->css_rules}) {
135			next if $rule->type == 2 or $rule->type == 3; # CHARSET_RULE or IMPORT_RULE
136			return 0 if $rule->type != 7; # NAMESPACE_RULE
137
138			## TODO: Can we insert NAMESPACE_RULE after other kinds of rules
139			## by insert_rule?
140
141			if ($uri eq $rule->namespace_uri) {
142			return 1 if $rule->prefix eq '';
143			}
144			}
145
146			return 0;
147			} # manakai_is_default_namespace
148
149			## TODO: Documentation
150			sub manakai_lookup_namespace_prefix ($$) {
151			my $uri = $_[1];
152			for my $rule (@{$_[0]->css_rules}) {
153			next if $rule->type == 2 or $rule->type == 3; # CHARSET_RULE or IMPORT_RULE
154			return undef if $rule->type != 7; # NAMESPACE_RULE
155
156			## TODO: Can we insert NAMESPACE_RULE after other kinds of rules
157			## by insert_rule?
158
159			if ($uri eq $rule->namespace_uri) {
160			my $prefix = $rule->prefix;
161			return $prefix if $prefix ne '';
162			}
163			}
164
165			return undef;
166			} # manakai_lookup_namespace_prefix
167
168	wakaba	1.1	package Message::IF::StyleSheet;
169			package Message::IF::CSSStyleSheet;
170
171			1;
172	wakaba	1.6	## $Date: 2007/12/23 15:45:49 $