/[suikacvs]/markup/html/whatpm/Whatpm/HTML.pm.src
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revision 1.114 by wakaba, Sun Mar 16 11:40:19 2008 UTC revision 1.228 by wakaba, Sun Aug 16 06:47:59 2009 UTC
# Line 3  use strict; Line 3  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  use Error qw(:try);  use Error qw(:try);
5    
6    use Whatpm::HTML::Tokenizer;
7    
8    ## NOTE: This module don't check all HTML5 parse errors; character
9    ## encoding related parse errors are expected to be handled by relevant
10    ## modules.
11    ## Parse errors for control characters that are not allowed in HTML5
12    ## documents, for surrogate code points, and for noncharacter code
13    ## points, as well as U+FFFD substitions for characters whose code points
14    ## is higher than U+10FFFF may be detected by combining the parser with
15    ## the checker implemented by Whatpm::Charset::UnicodeChecker (for its
16    ## usage example, see |t/HTML-tree.t| in the Whatpm package or the
17    ## WebHACC::Language::HTML module in the WebHACC package).
18    
19  ## ISSUE:  ## ISSUE:
20  ## var doc = implementation.createDocument (null, null, null);  ## var doc = implementation.createDocument (null, null, null);
21  ## doc.write ('');  ## doc.write ('');
22  ## alert (doc.compatMode);  ## alert (doc.compatMode);
23    
24  ## TODO: Control charcters and noncharacters are not allowed (HTML5 revision 1263)  require IO::Handle;
25  ## TODO: 1252 parse error (revision 1264)  
26  ## TODO: 8859-11 = 874 (revision 1271)  ## Namespace URLs
27    
28  my $permitted_slash_tag_name = {  my $HTML_NS = q<http://www.w3.org/1999/xhtml>;
29    base => 1,  my $MML_NS = q<http://www.w3.org/1998/Math/MathML>;
30    link => 1,  my $SVG_NS = q<http://www.w3.org/2000/svg>;
31    meta => 1,  my $XLINK_NS = q<http://www.w3.org/1999/xlink>;
32    hr => 1,  my $XML_NS = q<http://www.w3.org/XML/1998/namespace>;
33    br => 1,  my $XMLNS_NS = q<http://www.w3.org/2000/xmlns/>;
34    img => 1,  
35    embed => 1,  ## Element categories
36    param => 1,  
37    area => 1,  ## Bits 12-15
38    col => 1,  sub SPECIAL_EL () { 0b1_000000000000000 }
39    input => 1,  sub SCOPING_EL () { 0b1_00000000000000 }
40    sub FORMATTING_EL () { 0b1_0000000000000 }
41    sub PHRASING_EL () { 0b1_000000000000 }
42    
43    ## Bits 10-11
44    #sub FOREIGN_EL () { 0b1_00000000000 } # see Whatpm::HTML::Tokenizer
45    sub FOREIGN_FLOW_CONTENT_EL () { 0b1_0000000000 }
46    
47    ## Bits 6-9
48    sub TABLE_SCOPING_EL () { 0b1_000000000 }
49    sub TABLE_ROWS_SCOPING_EL () { 0b1_00000000 }
50    sub TABLE_ROW_SCOPING_EL () { 0b1_0000000 }
51    sub TABLE_ROWS_EL () { 0b1_000000 }
52    
53    ## Bit 5
54    sub ADDRESS_DIV_P_EL () { 0b1_00000 }
55    
56    ## NOTE: Used in </body> and EOF algorithms.
57    ## Bit 4
58    sub ALL_END_TAG_OPTIONAL_EL () { 0b1_0000 }
59    
60    ## NOTE: Used in "generate implied end tags" algorithm.
61    ## NOTE: There is a code where a modified version of
62    ## END_TAG_OPTIONAL_EL is used in "generate implied end tags"
63    ## implementation (search for the algorithm name).
64    ## Bit 3
65    sub END_TAG_OPTIONAL_EL () { 0b1_000 }
66    
67    ## Bits 0-2
68    
69    sub MISC_SPECIAL_EL () { SPECIAL_EL | 0b000 }
70    sub FORM_EL () { SPECIAL_EL | 0b001 }
71    sub FRAMESET_EL () { SPECIAL_EL | 0b010 }
72    sub HEADING_EL () { SPECIAL_EL | 0b011 }
73    sub SELECT_EL () { SPECIAL_EL | 0b100 }
74    sub SCRIPT_EL () { SPECIAL_EL | 0b101 }
75    
76    sub ADDRESS_DIV_EL () { SPECIAL_EL | ADDRESS_DIV_P_EL | 0b001 }
77    sub BODY_EL () { SPECIAL_EL | ALL_END_TAG_OPTIONAL_EL | 0b001 }
78    
79    sub DTDD_EL () {
80      SPECIAL_EL |
81      END_TAG_OPTIONAL_EL |
82      ALL_END_TAG_OPTIONAL_EL |
83      0b010
84    }
85    sub LI_EL () {
86      SPECIAL_EL |
87      END_TAG_OPTIONAL_EL |
88      ALL_END_TAG_OPTIONAL_EL |
89      0b100
90    }
91    sub P_EL () {
92      SPECIAL_EL |
93      ADDRESS_DIV_P_EL |
94      END_TAG_OPTIONAL_EL |
95      ALL_END_TAG_OPTIONAL_EL |
96      0b001
97    }
98    
99    sub TABLE_ROW_EL () {
100      SPECIAL_EL |
101      TABLE_ROWS_EL |
102      TABLE_ROW_SCOPING_EL |
103      ALL_END_TAG_OPTIONAL_EL |
104      0b001
105    }
106    sub TABLE_ROW_GROUP_EL () {
107      SPECIAL_EL |
108      TABLE_ROWS_EL |
109      TABLE_ROWS_SCOPING_EL |
110      ALL_END_TAG_OPTIONAL_EL |
111      0b001
112    }
113    
114    sub MISC_SCOPING_EL () { SCOPING_EL | 0b000 }
115    sub BUTTON_EL () { SCOPING_EL | 0b001 }
116    sub CAPTION_EL () { SCOPING_EL | 0b010 }
117    sub HTML_EL () {
118      SCOPING_EL |
119      TABLE_SCOPING_EL |
120      TABLE_ROWS_SCOPING_EL |
121      TABLE_ROW_SCOPING_EL |
122      ALL_END_TAG_OPTIONAL_EL |
123      0b001
124    }
125    sub TABLE_EL () {
126      SCOPING_EL |
127      TABLE_ROWS_EL |
128      TABLE_SCOPING_EL |
129      0b001
130    }
131    sub TABLE_CELL_EL () {
132      SCOPING_EL |
133      TABLE_ROW_SCOPING_EL |
134      ALL_END_TAG_OPTIONAL_EL |
135      0b001