/[suikacvs]/messaging/manakai/lib/Message/DOM/CSSRule.pm
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revision 1.1 by wakaba, Sat Dec 22 06:29:32 2007 UTC revision 1.4 by wakaba, Sun Dec 23 11:20:08 2007 UTC
# Line 2  package Message::DOM::CSSRule; Line 2  package Message::DOM::CSSRule;
2  use strict;  use strict;
3  our $VERSION=do{my @r=(q$Revision$=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};  our $VERSION=do{my @r=(q$Revision$=~/\d+/g);sprintf "%d."."%02d" x $#r,@r};
4  push our @ISA, 'Message::IF::CSSRule';  push our @ISA, 'Message::IF::CSSRule';
5    require Scalar::Util;
6    
7  ## |CSSRule| constants  ## |CSSRule| constants
8    
# Line 13  sub FONT_FACE_RULE () { 5 } Line 14  sub FONT_FACE_RULE () { 5 }
14  sub PAGE_RULE () { 6 }  sub PAGE_RULE () { 6 }
15  sub NAMESPACE_RULE () { 7 }  sub NAMESPACE_RULE () { 7 }
16    
 sub AUTOLOAD {  
   my $method_name = our $AUTOLOAD;  
   $method_name =~ s/.*:://;  
   return if $method_name eq 'DESTROY';  
   
   if ({  
     ## Read-only attributes (trivial accessors)  
     parent_rule => 1,  
     parent_style_sheet => 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  
   
17  ## |CSSRule| attributes  ## |CSSRule| attributes
18    
19  sub css_text ($) {  sub css_text ($) {
20    die "$0: ".(ref $self)."->css_text: Not implemented";    die "$0: ".(ref $_[0])."->css_text: Not implemented";
21  } # css_text  } # css_text
22    
23  sub parent_rule ($);  sub parent_rule ($) {
24      return ${$_[0]}->{parent_rule};
25  sub parent_style_sheet ($);  } # parent_rule
26    
27    sub parent_style_sheet ($) {
28      if (${$_[0]}->{parent_style_sheet}) {
29        return ${$_[0]}->{parent_style_sheet};
30      } elsif (${$_[0]}->{parent_rule}) {
31        local $Error::Depth = $Error::Depth + 1;
32        return ${$_[0]}->{parent_rule}->parent_style_sheet;
33      } else {
34        ## NOTE: Not in the CSSOM ED: If the |CSSRule| object is not
35        ## yet associated to any CSS style sheet.  Such object should not be
36        ## returned to applications - that is, the intention is that only
37        ## modules belonging to manakai may get |undef| from the
38        ## |parent_style_sheet| attribute during the construction of CSSOM.
39        ## Therefore, this is not counted as a manakai extension to CSSOM spec.
40        return undef;
41      }
42    } # parent_style_sheet
43    
44  sub type ($) {  sub type ($) {
45    die "$0: ".(ref $self)."->type: Not implemented";    die "$0: ".(ref $_[0])."->type: Not implemented";
46  } # type  } # type
47    
48  package Message::DOM::CSSStyleRule;  package Message::DOM::CSSStyleRule;
49  push our @ISA, 'Message::DOM::CSSRule', 'Message::IF::CSSStyleRule';  push our @ISA, 'Message::DOM::CSSRule', 'Message::IF::CSSStyleRule';
50    
51  sub ____new ($$$) {  sub ____new ($$$) {
52    my $self = bless \{_selector => $_[1], style => $_[2]}, $_[0];    my $self = bless \{_selectors => $_[1], style => $_[2]}, $_[0];
53    ## TODO: style -> owner    ${$_[2]}->{parent_rule} = $self;
54      Scalar::Util::weaken (${$_[2]}->{parent_rule});
55    return $self;    return $self;
56  } # ____new  } # ____new
57    
58  ## |CSSRule| attributes  ## |CSSRule| attributes
59    
60  ## TODO: |css_text|  sub css_text ($;$) {
61      ## TODO: setter
62    
63      ## TODO: Browser compatibility
64      local $Error::Depth = $Error::Depth + 1;
65      return $_[0]->selector_text . " {\n" . $_[0]->style->css_text . "}\n";
66    } # css_text
67    
68  sub type ($) { Message::DOM::CSSRule::STYLE_RULE }  sub type ($) { Message::DOM::CSSRule::STYLE_RULE }
69    
70  ## |CSSStyleRule| attributes  ## |CSSStyleRule| attributes
71    
72  ## TODO: |selector_text|  sub selector_text ($;$) {
73      ## TODO: setter
74    
75      ## TODO: Browser-compatible serializer
76      require Whatpm::CSS::SelectorsSerializer;
77      return Whatpm::CSS::SelectorsSerializer->serialize_test
78          (${$_[0]}->{_selectors});
79    } # selector_text
80    
81  sub style ($) {  sub style ($) {
82    return ${$_[0]}->{style};    return ${$_[0]}->{style};
# Line 82  sub ____new ($$) { Line 91  sub ____new ($$) {
91    
92  ## |CSSRule| attributes  ## |CSSRule| attributes
93    
94  ## TODO: |css_text|  sub css_text ($;$) {
95      ## TODO: setter
96    
97      ## NOTE: It will be broken if |encoding| contains |"| or |\|, but this
98      ## is what browsers do.
99      return '@charset "'.${$_[0]}->{encoding}.'";';
100    } # css_text
101    
102  sub type ($) { Message::DOM::CSSRule::CHARSET_RULE }  sub type ($) { Message::DOM::CSSRule::CHARSET_RULE }
103    
# Line 97  push our @ISA, 'Message::DOM::CSSRule', Line 112  push our @ISA, 'Message::DOM::CSSRule',
112    
113  sub ____new ($$$$) {  sub ____new ($$$$) {
114    my $self = bless \{href => $_[1], media => $_[2], style_sheet => $_[3]}, $_[0];    my $self = bless \{href => $_[1], media => $_[2], style_sheet => $_[3]}, $_[0];
115    ## TODO: $_[3] owner_style_sheet    ${$_[3]}->{owner_rule} = $self;
116      Scalar::Util::weaken (${$_[3]}->{owner_rule});
117    return $self;    return $self;
118  } # ____new  } # ____new
119    
# Line 127  push our @ISA, 'Message::DOM::CSSRule', Line 143  push our @ISA, 'Message::DOM::CSSRule',
143  sub ____new ($$$) {  sub ____new ($$$) {
144    my $self = bless \{media => $_[1], css_rules => $_[2]}, $_[0];    my $self = bless \{media => $_[1], css_rules => $_[2]}, $_[0];
145    for (@{$_[2]}) {    for (@{$_[2]}) {
146      ## TODO: owner_rule      ${$_}->{parent_rule} = $self;
147        Scalar::Util::weaken (${$_}->{parent_rule});
148    }    }
149    return $self;    return $self;
150  } # ____new  } # ____new
# Line 154  push our @ISA, 'Message::DOM::CSSRule', Line 171  push our @ISA, 'Message::DOM::CSSRule',
171    
172  sub ____new ($$) {  sub ____new ($$) {
173    my $self = bless \{style => $_[1]}, $_[0];    my $self = bless \{style => $_[1]}, $_[0];
174      ${$_[2]}->{parent_rule} = $self;
175      Scalar::Util::weaken (${$_[2]}->{parent_rule});
176      return $self;
177  } # ____new  } # ____new
178    
179  ## |CSSRule| attributes  ## |CSSRule| attributes
# Line 172  package Message::DOM::CSSPageRule; Line 192  package Message::DOM::CSSPageRule;
192  push our @ISA, 'Message::DOM::CSSRule', 'Message::IF::CSSPageRule';  push our @ISA, 'Message::DOM::CSSRule', 'Message::IF::CSSPageRule';
193    
194  sub ____new ($$$) {  sub ____new ($$$) {
195    my $self = bless \{_selector => $_[1], style => $_[2]}, $_[0];    my $self = bless \{_selectors => $_[1], style => $_[2]}, $_[0];
196    ## TODO: style -> owner    ${$_[2]}->{parent_rule} = $self;
197      Scalar::Util::weaken (${$_[2]}->{parent_rule});
198    return $self;    return $self;
199  } # ____new  } # ____new
200    
# Line 185  sub type ($) { Message::DOM::CSSRule::PA Line 206  sub type ($) { Message::DOM::CSSRule::PA
206    
207  ## |CSSPageRule| attributes  ## |CSSPageRule| attributes
208    
209  ## TODO: |selector_text|  sub selector_text ($;$) {
210      ## TODO: setter
211    
212      ## TODO: Browser-compatible serializer
213      require Whatpm::CSS::SelectorsSerializer;
214      return Whatpm::CSS::SelectorsSerializer->serialize_test (${$_[0]}->{_selectors});
215    } # selector_text
216    
217  sub style ($) {  sub style ($) {
218    return ${$_[0]}->{style};    return ${$_[0]}->{style};
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