WebHACC/Language/CSS.pm

package WebHACC::Language::CSS;
use strict;
require WebHACC::Language::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->output;
  $out->start_section (id => 'document-tree', title => 'Document Tree',
                       short_title => 'Tree');

  $out->start_code_block;
  $out->text ($self->{structure}->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',
                            input => $self->input,
                            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	package WebHACC::Language::CSS;
2	use strict;
3	require WebHACC::Language::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	if (not defined $opt{value} and defined $opt{token}) {
26	$opt{value} = Whatpm::CSS::Tokenizer->serialize_token ($opt{token});
27	}
28	$result->add_error (%opt, layer => 'syntax');
29	};
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->output;
68	$out->start_section (id => 'document-tree', title => 'Document Tree',
69	short_title => 'Tree');
70
71	$out->start_code_block;
72	$out->text ($self->{structure}->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	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	input => $self->input,
89	type => 'CSSOM validation not supported');
90
91	$out->end_tag ('dl');
92	$out->end_section;
93	} # generate_structure_error_section
94
95	sub get_css_parser () {
96	our $CSSParser;
97	return $CSSParser if $CSSParser;
98
99	require Whatpm::CSS::Parser;
100	my $p = Whatpm::CSS::Parser->new;
101
102	$p->{prop}->{$_} = 1 for qw/
103	alignment-baseline
104	background background-attachment background-color background-image
105	background-position background-position-x background-position-y
106	background-repeat border border-bottom border-bottom-color
107	border-bottom-style border-bottom-width border-collapse border-color
108	border-left border-left-color
109	border-left-style border-left-width border-right border-right-color
110	border-right-style border-right-width
111	border-spacing -manakai-border-spacing-x -manakai-border-spacing-y
112	border-style border-top border-top-color border-top-style border-top-width
113	border-width bottom
114	caption-side clear clip color content counter-increment counter-reset
115	cursor direction display dominant-baseline empty-cells float font
116	font-family font-size font-size-adjust font-stretch
117	font-style font-variant font-weight height left
118	letter-spacing line-height
119	list-style list-style-image list-style-position list-style-type
120	margin margin-bottom margin-left margin-right margin-top marker-offset
121	marks max-height max-width min-height min-width opacity -moz-opacity
122	orphans outline outline-color outline-style outline-width overflow
123	overflow-x overflow-y
124	padding padding-bottom padding-left padding-right padding-top
125	page page-break-after page-break-before page-break-inside
126	position quotes right size table-layout
127	text-align text-anchor text-decoration text-indent text-transform
128	top unicode-bidi vertical-align visibility white-space width widows
129	word-spacing writing-mode z-index
130	/;
131	$p->{prop_value}->{display}->{$_} = 1 for qw/
132	block clip inline inline-block inline-table list-item none
133	table table-caption table-cell table-column table-column-group
134	table-header-group table-footer-group table-row table-row-group
135	compact marker
136	/;
137	$p->{prop_value}->{position}->{$_} = 1 for qw/
138	absolute fixed relative static
139	/;
140	$p->{prop_value}->{float}->{$_} = 1 for qw/
141	left right none
142	/;
143	$p->{prop_value}->{clear}->{$_} = 1 for qw/
144	left right none both
145	/;
146	$p->{prop_value}->{direction}->{ltr} = 1;
147	$p->{prop_value}->{direction}->{rtl} = 1;
148	$p->{prop_value}->{marks}->{crop} = 1;
149	$p->{prop_value}->{marks}->{cross} = 1;
150	$p->{prop_value}->{'unicode-bidi'}->{$_} = 1 for qw/
151	normal bidi-override embed
152	/;
153	for my $prop_name (qw/overflow overflow-x overflow-y/) {
154	$p->{prop_value}->{$prop_name}->{$_} = 1 for qw/
155	visible hidden scroll auto -webkit-marquee -moz-hidden-unscrollable
156	/;
157	}
158	$p->{prop_value}->{visibility}->{$_} = 1 for qw/
159	visible hidden collapse
160	/;
161	$p->{prop_value}->{'list-style-type'}->{$_} = 1 for qw/
162	disc circle square decimal decimal-leading-zero
163	lower-roman upper-roman lower-greek lower-latin
164	upper-latin armenian georgian lower-alpha upper-alpha none
165	hebrew cjk-ideographic hiragana katakana hiragana-iroha
166	katakana-iroha
167	/;
168	$p->{prop_value}->{'list-style-position'}->{outside} = 1;
169	$p->{prop_value}->{'list-style-position'}->{inside} = 1;
170	$p->{prop_value}->{'page-break-before'}->{$_} = 1 for qw/
171	auto always avoid left right
172	/;
173	$p->{prop_value}->{'page-break-after'}->{$_} = 1 for qw/
174	auto always avoid left right
175	/;
176	$p->{prop_value}->{'page-break-inside'}->{auto} = 1;
177	$p->{prop_value}->{'page-break-inside'}->{avoid} = 1;
178	$p->{prop_value}->{'background-repeat'}->{$_} = 1 for qw/
179	repeat repeat-x repeat-y no-repeat
180	/;
181	$p->{prop_value}->{'background-attachment'}->{scroll} = 1;
182	$p->{prop_value}->{'background-attachment'}->{fixed} = 1;
183	$p->{prop_value}->{'font-size'}->{$_} = 1 for qw/
184	xx-small x-small small medium large x-large xx-large
185	-manakai-xxx-large -webkit-xxx-large
186	larger smaller
187	/;
188	$p->{prop_value}->{'font-style'}->{normal} = 1;
189	$p->{prop_value}->{'font-style'}->{italic} = 1;
190	$p->{prop_value}->{'font-style'}->{oblique} = 1;
191	$p->{prop_value}->{'font-variant'}->{normal} = 1;
192	$p->{prop_value}->{'font-variant'}->{'small-caps'} = 1;
193	$p->{prop_value}->{'font-stretch'}->{$_} = 1 for
194	qw/normal wider narrower ultra-condensed extra-condensed
195	condensed semi-condensed semi-expanded expanded
196	extra-expanded ultra-expanded/;
197	$p->{prop_value}->{'text-align'}->{$_} = 1 for qw/
198	left right center justify begin end
199	/;
200	$p->{prop_value}->{'text-transform'}->{$_} = 1 for qw/
201	capitalize uppercase lowercase none
202	/;
203	$p->{prop_value}->{'white-space'}->{$_} = 1 for qw/
204	normal pre nowrap pre-line pre-wrap -moz-pre-wrap
205	/;
206	$p->{prop_value}->{'writing-mode'}->{$_} = 1 for qw/
207	lr rl tb lr-tb rl-tb tb-rl
208	/;
209	$p->{prop_value}->{'text-anchor'}->{$_} = 1 for qw/
210	start middle end
211	/;
212	$p->{prop_value}->{'dominant-baseline'}->{$_} = 1 for qw/
213	auto use-script no-change reset-size ideographic alphabetic
214	hanging mathematical central middle text-after-edge text-before-edge
215	/;
216	$p->{prop_value}->{'alignment-baseline'}->{$_} = 1 for qw/
217	auto baseline before-edge text-before-edge middle central
218	after-edge text-after-edge ideographic alphabetic hanging
219	mathematical
220	/;
221	$p->{prop_value}->{'text-decoration'}->{$_} = 1 for qw/
222	none blink underline overline line-through
223	/;
224	$p->{prop_value}->{'caption-side'}->{$_} = 1 for qw/
225	top bottom left right
226	/;
227	$p->{prop_value}->{'table-layout'}->{auto} = 1;
228	$p->{prop_value}->{'table-layout'}->{fixed} = 1;
229	$p->{prop_value}->{'border-collapse'}->{collapse} = 1;
230	$p->{prop_value}->{'border-collapse'}->{separate} = 1;
231	$p->{prop_value}->{'empty-cells'}->{show} = 1;
232	$p->{prop_value}->{'empty-cells'}->{hide} = 1;
233	$p->{prop_value}->{cursor}->{$_} = 1 for qw/
234	auto crosshair default pointer move e-resize ne-resize nw-resize n-resize
235	se-resize sw-resize s-resize w-resize text wait help progress
236	/;
237	for my $prop (qw/border-top-style border-left-style
238	border-bottom-style border-right-style outline-style/) {
239	$p->{prop_value}->{$prop}->{$_} = 1 for qw/
240	none hidden dotted dashed solid double groove ridge inset outset
241	/;
242	}
243	for my $prop (qw/color background-color
244	border-bottom-color border-left-color border-right-color
245	border-top-color border-color/) {
246	$p->{prop_value}->{$prop}->{transparent} = 1;
247	$p->{prop_value}->{$prop}->{flavor} = 1;
248	$p->{prop_value}->{$prop}->{'-manakai-default'} = 1;
249	}
250	$p->{prop_value}->{'outline-color'}->{invert} = 1;
251	$p->{prop_value}->{'outline-color'}->{'-manakai-invert-or-currentcolor'} = 1;
252	$p->{pseudo_class}->{$_} = 1 for qw/
253	active checked disabled empty enabled first-child first-of-type
254	focus hover indeterminate last-child last-of-type link only-child
255	only-of-type root target visited
256	lang nth-child nth-last-child nth-of-type nth-last-of-type not
257	-manakai-contains -manakai-current
258	/;
259	$p->{pseudo_element}->{$_} = 1 for qw/
260	after before first-letter first-line
261	/;
262
263	return $CSSParser = $p;
264	} # get_css_parser
265
266	1;