WebHACC/Language/CSS.pm

package WebHACC::Language::CSS;
use strict;
require WebHACC::Langauge::Base;
push our @ISA, 'WebHACC::Language::Base';

sub new ($) {
  my $self = bless {}, shift;
  return $self;
} # new

sub generate_syntax_error_section ($) {
  my $self = shift;

  my $out = $self->output;
  $out->start_section (id => 'parse-errors', title => 'Parse Errors');
  $out->start_tag ('dl', id => 'parse-errors-list');

  my $input = $self->input;
  my $result = $self->result;

  my $p = $self->get_css_parser ();
  $p->init;
  $p->{onerror} = sub {
    my (%opt) = @_;
    if (not defined $opt{value} and defined $opt{token}) {
      $opt{value} = Whatpm::CSS::Tokenizer->serialize_token ($opt{token});
    }
    $result->add_error (%opt, layer => 'syntax');
  };
  $p->{href} = $input->{uri};
  $p->{base_uri} = $input->{base_uri};

#  if ($parse_mode eq 'q') {
#    $p->{unitless_px} = 1;
#    $p->{hashless_color} = 1;
#  }

## TODO: Make $input->{s} a ref.

  my $s = \$input->{s};
  my $charset;
  unless ($input->{is_char_string}) {
    require Encode;
    if (defined $input->{charset}) {## TODO: IANA->Perl
      $charset = $input->{charset};
      $s = \(Encode::decode ($input->{charset}, $$s));
    } else {
      ## TODO: charset detection
      $s = \(Encode::decode ($charset = 'utf-8', $$s));
    }
  }
  
  $self->{structure} = $p->parse_char_string ($$s);
  $self->{structure}->manakai_input_encoding ($charset) if defined $charset;

  $out->end_tag ('dl');
  $out->end_section;
} # generate_syntax_error_section

sub source_charset ($) {
  return shift->{structure}->manakai_input_encoding;
} # source_charset

sub generate_structure_dump_section ($) {
  my $self = shift;

  my $out = $self->input;
  $out->start_section (id => 'document-tree', title => 'Document Tree',
                       short_title => 'Tree');

  $out->start_code_block;
  $out->text ($cssom->css_text);
  $out->end_code_block;
  
  $out->end_section;
} # generate_structure_dump_section

sub generate_structure_error_section ($) {
  my $self = shift;

  my $out = $self->output;

  $out->start_section (id => 'document-errors', title => 'Document Errors');
  $out->start_tag ('dl', class => 'document-errors-list');

  $self->result->add_error (level => 'u',
                            layer => 'structure',
                            type => 'CSSOM validation not supported');

  $out->end_tag ('dl');
  $out->end_section;
} # generate_structure_error_section

sub get_css_parser () {
  our $CSSParser;
  return $CSSParser if $CSSParser;

  require Whatpm::CSS::Parser;
  my $p = Whatpm::CSS::Parser->new;

  $p->{prop}->{$_} = 1 for qw/
    alignment-baseline
    background background-attachment background-color background-image
    background-position background-position-x background-position-y
    background-repeat border border-bottom border-bottom-color
    border-bottom-style border-bottom-width border-collapse border-color
    border-left border-left-color
    border-left-style border-left-width border-right border-right-color
    border-right-style border-right-width
    border-spacing -manakai-border-spacing-x -manakai-border-spacing-y
    border-style border-top border-top-color border-top-style border-top-width
    border-width bottom
    caption-side clear clip color content counter-increment counter-reset
    cursor direction display dominant-baseline empty-cells float font
    font-family font-size font-size-adjust font-stretch
    font-style font-variant font-weight height left
    letter-spacing line-height
    list-style list-style-image list-style-position list-style-type
    margin margin-bottom margin-left margin-right margin-top marker-offset
    marks max-height max-width min-height min-width opacity -moz-opacity
    orphans outline outline-color outline-style outline-width overflow
    overflow-x overflow-y
    padding padding-bottom padding-left padding-right padding-top
    page page-break-after page-break-before page-break-inside
    position quotes right size table-layout
    text-align text-anchor text-decoration text-indent text-transform
    top unicode-bidi vertical-align visibility white-space width widows
    word-spacing writing-mode z-index
  /;
  $p->{prop_value}->{display}->{$_} = 1 for qw/
    block clip inline inline-block inline-table list-item none
    table table-caption table-cell table-column table-column-group
    table-header-group table-footer-group table-row table-row-group
    compact marker
  /;
  $p->{prop_value}->{position}->{$_} = 1 for qw/
    absolute fixed relative static
  /;
  $p->{prop_value}->{float}->{$_} = 1 for qw/
    left right none
  /;
  $p->{prop_value}->{clear}->{$_} = 1 for qw/
    left right none both
  /;
  $p->{prop_value}->{direction}->{ltr} = 1;
  $p->{prop_value}->{direction}->{rtl} = 1;
  $p->{prop_value}->{marks}->{crop} = 1;
  $p->{prop_value}->{marks}->{cross} = 1;
  $p->{prop_value}->{'unicode-bidi'}->{$_} = 1 for qw/
    normal bidi-override embed
  /;
  for my $prop_name (qw/overflow overflow-x overflow-y/) {
    $p->{prop_value}->{$prop_name}->{$_} = 1 for qw/
      visible hidden scroll auto -webkit-marquee -moz-hidden-unscrollable
    /;
  }
  $p->{prop_value}->{visibility}->{$_} = 1 for qw/
    visible hidden collapse
  /;
  $p->{prop_value}->{'list-style-type'}->{$_} = 1 for qw/
    disc circle square decimal decimal-leading-zero
    lower-roman upper-roman lower-greek lower-latin
    upper-latin armenian georgian lower-alpha upper-alpha none
    hebrew cjk-ideographic hiragana katakana hiragana-iroha
    katakana-iroha
  /;
  $p->{prop_value}->{'list-style-position'}->{outside} = 1;
  $p->{prop_value}->{'list-style-position'}->{inside} = 1;
  $p->{prop_value}->{'page-break-before'}->{$_} = 1 for qw/
    auto always avoid left right
  /;
  $p->{prop_value}->{'page-break-after'}->{$_} = 1 for qw/
    auto always avoid left right
  /;
  $p->{prop_value}->{'page-break-inside'}->{auto} = 1;
  $p->{prop_value}->{'page-break-inside'}->{avoid} = 1;
  $p->{prop_value}->{'background-repeat'}->{$_} = 1 for qw/
    repeat repeat-x repeat-y no-repeat
  /;
  $p->{prop_value}->{'background-attachment'}->{scroll} = 1;
  $p->{prop_value}->{'background-attachment'}->{fixed} = 1;
  $p->{prop_value}->{'font-size'}->{$_} = 1 for qw/
    xx-small x-small small medium large x-large xx-large
    -manakai-xxx-large -webkit-xxx-large
    larger smaller
  /;
  $p->{prop_value}->{'font-style'}->{normal} = 1;
  $p->{prop_value}->{'font-style'}->{italic} = 1;
  $p->{prop_value}->{'font-style'}->{oblique} = 1;
  $p->{prop_value}->{'font-variant'}->{normal} = 1;
  $p->{prop_value}->{'font-variant'}->{'small-caps'} = 1;
  $p->{prop_value}->{'font-stretch'}->{$_} = 1 for
      qw/normal wider narrower ultra-condensed extra-condensed
        condensed semi-condensed semi-expanded expanded
        extra-expanded ultra-expanded/;
  $p->{prop_value}->{'text-align'}->{$_} = 1 for qw/
    left right center justify begin end
  /;
  $p->{prop_value}->{'text-transform'}->{$_} = 1 for qw/
    capitalize uppercase lowercase none
  /;
  $p->{prop_value}->{'white-space'}->{$_} = 1 for qw/
    normal pre nowrap pre-line pre-wrap -moz-pre-wrap
  /;
  $p->{prop_value}->{'writing-mode'}->{$_} = 1 for qw/
    lr rl tb lr-tb rl-tb tb-rl
  /;
  $p->{prop_value}->{'text-anchor'}->{$_} = 1 for qw/
    start middle end
  /;
  $p->{prop_value}->{'dominant-baseline'}->{$_} = 1 for qw/
    auto use-script no-change reset-size ideographic alphabetic
    hanging mathematical central middle text-after-edge text-before-edge
  /;
  $p->{prop_value}->{'alignment-baseline'}->{$_} = 1 for qw/
    auto baseline before-edge text-before-edge middle central
    after-edge text-after-edge ideographic alphabetic hanging
    mathematical
  /;
  $p->{prop_value}->{'text-decoration'}->{$_} = 1 for qw/
    none blink underline overline line-through
  /;
  $p->{prop_value}->{'caption-side'}->{$_} = 1 for qw/
    top bottom left right
  /;
  $p->{prop_value}->{'table-layout'}->{auto} = 1;
  $p->{prop_value}->{'table-layout'}->{fixed} = 1;
  $p->{prop_value}->{'border-collapse'}->{collapse} = 1;
  $p->{prop_value}->{'border-collapse'}->{separate} = 1;
  $p->{prop_value}->{'empty-cells'}->{show} = 1;
  $p->{prop_value}->{'empty-cells'}->{hide} = 1;
  $p->{prop_value}->{cursor}->{$_} = 1 for qw/
    auto crosshair default pointer move e-resize ne-resize nw-resize n-resize
    se-resize sw-resize s-resize w-resize text wait help progress
  /;
  for my $prop (qw/border-top-style border-left-style
                   border-bottom-style border-right-style outline-style/) {
    $p->{prop_value}->{$prop}->{$_} = 1 for qw/
      none hidden dotted dashed solid double groove ridge inset outset
    /;
  }
  for my $prop (qw/color background-color
                   border-bottom-color border-left-color border-right-color
                   border-top-color border-color/) {
    $p->{prop_value}->{$prop}->{transparent} = 1;
    $p->{prop_value}->{$prop}->{flavor} = 1;
    $p->{prop_value}->{$prop}->{'-manakai-default'} = 1;
  }
  $p->{prop_value}->{'outline-color'}->{invert} = 1;
  $p->{prop_value}->{'outline-color'}->{'-manakai-invert-or-currentcolor'} = 1;
  $p->{pseudo_class}->{$_} = 1 for qw/
    active checked disabled empty enabled first-child first-of-type
    focus hover indeterminate last-child last-of-type link only-child
    only-of-type root target visited
    lang nth-child nth-last-child nth-of-type nth-last-of-type not
    -manakai-contains -manakai-current
  /;
  $p->{pseudo_element}->{$_} = 1 for qw/
    after before first-letter first-line
  /;

  return $CSSParser = $p;
} # get_css_parser

1;
1	wakaba	1.1	package WebHACC::Language::CSS;
2			use strict;
3			require WebHACC::Langauge::Base;
4			push our @ISA, 'WebHACC::Language::Base';
5
6			sub new ($) {
7			my $self = bless {}, shift;
8			return $self;
9			} # new
10
11			sub generate_syntax_error_section ($) {
12			my $self = shift;
13
14			my $out = $self->output;
15			$out->start_section (id => 'parse-errors', title => 'Parse Errors');
16			$out->start_tag ('dl', id => 'parse-errors-list');
17
18			my $input = $self->input;
19			my $result = $self->result;
20
21			my $p = $self->get_css_parser ();
22			$p->init;
23			$p->{onerror} = sub {
24			my (%opt) = @_;
25	wakaba	1.2	if (not defined $opt{value} and defined $opt{token}) {
26			$opt{value} = Whatpm::CSS::Tokenizer->serialize_token ($opt{token});
27	wakaba	1.1	}
28	wakaba	1.2	$result->add_error (%opt, layer => 'syntax');
29	wakaba	1.1	};
30			$p->{href} = $input->{uri};
31			$p->{base_uri} = $input->{base_uri};
32
33			# if ($parse_mode eq 'q') {
34			# $p->{unitless_px} = 1;
35			# $p->{hashless_color} = 1;
36			# }
37
38			## TODO: Make $input->{s} a ref.
39
40			my $s = \$input->{s};
41			my $charset;
42			unless ($input->{is_char_string}) {
43			require Encode;
44			if (defined $input->{charset}) {## TODO: IANA->Perl
45			$charset = $input->{charset};
46			$s = \(Encode::decode ($input->{charset}, $$s));
47			} else {
48			## TODO: charset detection
49			$s = \(Encode::decode ($charset = 'utf-8', $$s));
50			}
51			}
52
53			$self->{structure} = $p->parse_char_string ($$s);
54			$self->{structure}->manakai_input_encoding ($charset) if defined $charset;
55
56			$out->end_tag ('dl');
57			$out->end_section;
58			} # generate_syntax_error_section
59
60			sub source_charset ($) {
61			return shift->{structure}->manakai_input_encoding;
62			} # source_charset
63
64			sub generate_structure_dump_section ($) {
65			my $self = shift;
66
67			my $out = $self->input;
68			$out->start_section (id => 'document-tree', title => 'Document Tree',
69			short_title => 'Tree');
70
71			$out->start_code_block;
72			$out->text ($cssom->css_text);
73			$out->end_code_block;
74
75			$out->end_section;
76			} # generate_structure_dump_section
77
78			sub generate_structure_error_section ($) {
79	wakaba	1.2	my $self = shift;
80
81			my $out = $self->output;
82
83			$out->start_section (id => 'document-errors', title => 'Document Errors');
84			$out->start_tag ('dl', class => 'document-errors-list');
85
86			$self->result->add_error (level => 'u',
87			layer => 'structure',
88			type => 'CSSOM validation not supported');
89
90			$out->end_tag ('dl');
91			$out->end_section;
92	wakaba	1.1	} # generate_structure_error_section
93
94			sub get_css_parser () {
95			our $CSSParser;
96			return $CSSParser if $CSSParser;
97
98			require Whatpm::CSS::Parser;
99			my $p = Whatpm::CSS::Parser->new;
100
101			$p->{prop}->{$_} = 1 for qw/
102			alignment-baseline
103			background background-attachment background-color background-image
104			background-position background-position-x background-position-y
105			background-repeat border border-bottom border-bottom-color
106			border-bottom-style border-bottom-width border-collapse border-color
107			border-left border-left-color
108			border-left-style border-left-width border-right border-right-color
109			border-right-style border-right-width
110			border-spacing -manakai-border-spacing-x -manakai-border-spacing-y
111			border-style border-top border-top-color border-top-style border-top-width
112			border-width bottom
113			caption-side clear clip color content counter-increment counter-reset
114			cursor direction display dominant-baseline empty-cells float font
115			font-family font-size font-size-adjust font-stretch
116			font-style font-variant font-weight height left
117			letter-spacing line-height
118			list-style list-style-image list-style-position list-style-type
119			margin margin-bottom margin-left margin-right margin-top marker-offset
120			marks max-height max-width min-height min-width opacity -moz-opacity
121			orphans outline outline-color outline-style outline-width overflow
122			overflow-x overflow-y
123			padding padding-bottom padding-left padding-right padding-top
124			page page-break-after page-break-before page-break-inside
125			position quotes right size table-layout
126			text-align text-anchor text-decoration text-indent text-transform
127			top unicode-bidi vertical-align visibility white-space width widows
128			word-spacing writing-mode z-index
129			/;
130			$p->{prop_value}->{display}->{$_} = 1 for qw/
131			block clip inline inline-block inline-table list-item none
132			table table-caption table-cell table-column table-column-group
133			table-header-group table-footer-group table-row table-row-group
134			compact marker
135			/;
136			$p->{prop_value}->{position}->{$_} = 1 for qw/
137			absolute fixed relative static
138			/;
139			$p->{prop_value}->{float}->{$_} = 1 for qw/
140			left right none
141			/;
142			$p->{prop_value}->{clear}->{$_} = 1 for qw/
143			left right none both
144			/;
145			$p->{prop_value}->{direction}->{ltr} = 1;
146			$p->{prop_value}->{direction}->{rtl} = 1;
147			$p->{prop_value}->{marks}->{crop} = 1;
148			$p->{prop_value}->{marks}->{cross} = 1;
149			$p->{prop_value}->{'unicode-bidi'}->{$_} = 1 for qw/
150			normal bidi-override embed
151			/;
152			for my $prop_name (qw/overflow overflow-x overflow-y/) {
153			$p->{prop_value}->{$prop_name}->{$_} = 1 for qw/
154			visible hidden scroll auto -webkit-marquee -moz-hidden-unscrollable
155			/;
156			}
157			$p->{prop_value}->{visibility}->{$_} = 1 for qw/
158			visible hidden collapse
159			/;
160			$p->{prop_value}->{'list-style-type'}->{$_} = 1 for qw/
161			disc circle square decimal decimal-leading-zero
162			lower-roman upper-roman lower-greek lower-latin
163			upper-latin armenian georgian lower-alpha upper-alpha none
164			hebrew cjk-ideographic hiragana katakana hiragana-iroha
165			katakana-iroha
166			/;
167			$p->{prop_value}->{'list-style-position'}->{outside} = 1;
168			$p->{prop_value}->{'list-style-position'}->{inside} = 1;
169			$p->{prop_value}->{'page-break-before'}->{$_} = 1 for qw/
170			auto always avoid left right
171			/;
172			$p->{prop_value}->{'page-break-after'}->{$_} = 1 for qw/
173			auto always avoid left right
174			/;
175			$p->{prop_value}->{'page-break-inside'}->{auto} = 1;
176			$p->{prop_value}->{'page-break-inside'}->{avoid} = 1;
177			$p->{prop_value}->{'background-repeat'}->{$_} = 1 for qw/
178			repeat repeat-x repeat-y no-repeat
179			/;
180			$p->{prop_value}->{'background-attachment'}->{scroll} = 1;
181			$p->{prop_value}->{'background-attachment'}->{fixed} = 1;
182			$p->{prop_value}->{'font-size'}->{$_} = 1 for qw/
183			xx-small x-small small medium large x-large xx-large
184			-manakai-xxx-large -webkit-xxx-large
185			larger smaller
186			/;
187			$p->{prop_value}->{'font-style'}->{normal} = 1;
188			$p->{prop_value}->{'font-style'}->{italic} = 1;
189			$p->{prop_value}->{'font-style'}->{oblique} = 1;
190			$p->{prop_value}->{'font-variant'}->{normal} = 1;
191			$p->{prop_value}->{'font-variant'}->{'small-caps'} = 1;
192			$p->{prop_value}->{'font-stretch'}->{$_} = 1 for
193			qw/normal wider narrower ultra-condensed extra-condensed
194			condensed semi-condensed semi-expanded expanded
195			extra-expanded ultra-expanded/;
196			$p->{prop_value}->{'text-align'}->{$_} = 1 for qw/
197			left right center justify begin end
198			/;
199			$p->{prop_value}->{'text-transform'}->{$_} = 1 for qw/
200			capitalize uppercase lowercase none
201			/;
202			$p->{prop_value}->{'white-space'}->{$_} = 1 for qw/
203			normal pre nowrap pre-line pre-wrap -moz-pre-wrap
204			/;
205			$p->{prop_value}->{'writing-mode'}->{$_} = 1 for qw/
206			lr rl tb lr-tb rl-tb tb-rl
207			/;
208			$p->{prop_value}->{'text-anchor'}->{$_} = 1 for qw/
209			start middle end
210			/;
211			$p->{prop_value}->{'dominant-baseline'}->{$_} = 1 for qw/
212			auto use-script no-change reset-size ideographic alphabetic
213			hanging mathematical central middle text-after-edge text-before-edge
214			/;
215			$p->{prop_value}->{'alignment-baseline'}->{$_} = 1 for qw/
216			auto baseline before-edge text-before-edge middle central
217			after-edge text-after-edge ideographic alphabetic hanging
218			mathematical
219			/;
220			$p->{prop_value}->{'text-decoration'}->{$_} = 1 for qw/
221			none blink underline overline line-through
222			/;
223			$p->{prop_value}->{'caption-side'}->{$_} = 1 for qw/
224			top bottom left right
225			/;
226			$p->{prop_value}->{'table-layout'}->{auto} = 1;
227			$p->{prop_value}->{'table-layout'}->{fixed} = 1;
228			$p->{prop_value}->{'border-collapse'}->{collapse} = 1;
229			$p->{prop_value}->{'border-collapse'}->{separate} = 1;
230			$p->{prop_value}->{'empty-cells'}->{show} = 1;
231			$p->{prop_value}->{'empty-cells'}->{hide} = 1;
232			$p->{prop_value}->{cursor}->{$_} = 1 for qw/
233			auto crosshair default pointer move e-resize ne-resize nw-resize n-resize
234			se-resize sw-resize s-resize w-resize text wait help progress
235			/;
236			for my $prop (qw/border-top-style border-left-style
237			border-bottom-style border-right-style outline-style/) {
238			$p->{prop_value}->{$prop}->{$_} = 1 for qw/
239			none hidden dotted dashed solid double groove ridge inset outset
240			/;
241			}
242			for my $prop (qw/color background-color
243			border-bottom-color border-left-color border-right-color
244			border-top-color border-color/) {
245			$p->{prop_value}->{$prop}->{transparent} = 1;
246			$p->{prop_value}->{$prop}->{flavor} = 1;
247			$p->{prop_value}->{$prop}->{'-manakai-default'} = 1;
248			}
249			$p->{prop_value}->{'outline-color'}->{invert} = 1;
250			$p->{prop_value}->{'outline-color'}->{'-manakai-invert-or-currentcolor'} = 1;
251			$p->{pseudo_class}->{$_} = 1 for qw/
252			active checked disabled empty enabled first-child first-of-type
253			focus hover indeterminate last-child last-of-type link only-child
254			only-of-type root target visited
255			lang nth-child nth-last-child nth-of-type nth-last-of-type not
256			-manakai-contains -manakai-current
257			/;
258			$p->{pseudo_element}->{$_} = 1 for qw/
259			after before first-letter first-line
260			/;
261
262			return $CSSParser = $p;
263			} # get_css_parser
264
265			1;