| line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
|
1
|
|
|
|
|
|
|
# Copyright 2022 Jeffrey Kegler |
|
2
|
|
|
|
|
|
|
# This file is part of Marpa::R2. Marpa::R2 is free software: you can |
|
3
|
|
|
|
|
|
|
# redistribute it and/or modify it under the terms of the GNU Lesser |
|
4
|
|
|
|
|
|
|
# General Public License as published by the Free Software Foundation, |
|
5
|
|
|
|
|
|
|
# either version 3 of the License, or (at your option) any later version. |
|
6
|
|
|
|
|
|
|
# |
|
7
|
|
|
|
|
|
|
# Marpa::R2 is distributed in the hope that it will be useful, |
|
8
|
|
|
|
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
9
|
|
|
|
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
10
|
|
|
|
|
|
|
# Lesser General Public License for more details. |
|
11
|
|
|
|
|
|
|
# |
|
12
|
|
|
|
|
|
|
# You should have received a copy of the GNU Lesser |
|
13
|
|
|
|
|
|
|
# General Public License along with Marpa::R2. If not, see |
|
14
|
|
|
|
|
|
|
# http://www.gnu.org/licenses/. |
|
15
|
|
|
|
|
|
|
|
|
16
|
|
|
|
|
|
|
package Marpa::R2::HTML::Internal::Core; |
|
17
|
|
|
|
|
|
|
|
|
18
|
1
|
|
|
1
|
|
17
|
use 5.010001; |
|
|
1
|
|
|
|
|
4
|
|
|
19
|
1
|
|
|
1
|
|
5
|
use strict; |
|
|
1
|
|
|
|
|
3
|
|
|
|
1
|
|
|
|
|
19
|
|
|
20
|
1
|
|
|
1
|
|
4
|
use warnings; |
|
|
1
|
|
|
|
|
2
|
|
|
|
1
|
|
|
|
|
21
|
|
|
21
|
1
|
|
|
1
|
|
4
|
use Data::Dumper; |
|
|
1
|
|
|
|
|
2
|
|
|
|
1
|
|
|
|
|
45
|
|
|
22
|
|
|
|
|
|
|
|
|
23
|
1
|
|
|
1
|
|
6
|
use English qw( -no_match_vars ); |
|
|
1
|
|
|
|
|
2
|
|
|
|
1
|
|
|
|
|
5
|
|
|
24
|
|
|
|
|
|
|
|
|
25
|
|
|
|
|
|
|
our $CORE_BNF = <<'END_OF_CORE_BNF'; |
|
26
|
|
|
|
|
|
|
# The tokens are not used directly |
|
27
|
|
|
|
|
|
|
# because, in order to have handlers |
|
28
|
|
|
|
|
|
|
# deal with them individually, I need |
|
29
|
|
|
|
|
|
|
# a rule with which to associate the |
|
30
|
|
|
|
|
|
|
# handler. |
|
31
|
|
|
|
|
|
|
comment ::= C |
|
32
|
|
|
|
|
|
|
pi ::= PI |
|
33
|
|
|
|
|
|
|
decl ::= D |
|
34
|
|
|
|
|
|
|
pcdata ::= PCDATA |
|
35
|
|
|
|
|
|
|
cdata ::= CDATA |
|
36
|
|
|
|
|
|
|
whitespace ::= WHITESPACE |
|
37
|
|
|
|
|
|
|
cruft ::= CRUFT |
|
38
|
|
|
|
|
|
|
|
|
39
|
|
|
|
|
|
|
FLO_SGML ::= GRP_SGML* |
|
40
|
|
|
|
|
|
|
GRP_SGML ::= comment |
|
41
|
|
|
|
|
|
|
GRP_SGML ::= pi |
|
42
|
|
|
|
|
|
|
GRP_SGML ::= decl |
|
43
|
|
|
|
|
|
|
GRP_SGML ::= whitespace |
|
44
|
|
|
|
|
|
|
GRP_SGML ::= cruft |
|
45
|
|
|
|
|
|
|
|
|
46
|
|
|
|
|
|
|
# For element x, |
|
47
|
|
|
|
|
|
|
# ELE_x is complete element |
|
48
|
|
|
|
|
|
|
# S_x is start tag |
|
49
|
|
|
|
|
|
|
# E_x is end tag |
|
50
|
|
|
|
|
|
|
# The contents of many elements consists of zero or more items |
|
51
|
|
|
|
|
|
|
|
|
52
|
|
|
|
|
|
|
# Top-level structure |
|
53
|
|
|
|
|
|
|
document ::= prolog ELE_html trailer EOF |
|
54
|
|
|
|
|
|
|
prolog ::= FLO_SGML |
|
55
|
|
|
|
|
|
|
trailer ::= FLO_SGML |
|
56
|
|
|
|
|
|
|
ELE_html ::= S_html Contents_html E_html |
|
57
|
|
|
|
|
|
|
Contents_html ::= FLO_SGML ELE_head FLO_SGML ELE_body FLO_SGML |
|
58
|
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
# FLO_empty and FLO_cdata |
|
60
|
|
|
|
|
|
|
# do NOT allow SGML items as part of |
|
61
|
|
|
|
|
|
|
# their flow |
|
62
|
|
|
|
|
|
|
FLO_empty ::= |
|
63
|
|
|
|
|
|
|
|
|
64
|
|
|
|
|
|
|
# In FLO_cdata, disallow all SGML components, |
|
65
|
|
|
|
|
|
|
# but include cruft. |
|
66
|
|
|
|
|
|
|
FLO_cdata ::= GRP_cdata* |
|
67
|
|
|
|
|
|
|
GRP_cdata ::= CRUFT |
|
68
|
|
|
|
|
|
|
GRP_cdata ::= cdata |
|
69
|
|
|
|
|
|
|
|
|
70
|
|
|
|
|
|
|
FLO_mixed ::= GRP_mixed* |
|
71
|
|
|
|
|
|
|
GRP_mixed ::= GRP_block |
|
72
|
|
|
|
|
|
|
GRP_mixed ::= GRP_inline |
|
73
|
|
|
|
|
|
|
|
|
74
|
|
|
|
|
|
|
FLO_block ::= GRP_block* |
|
75
|
|
|
|
|
|
|
GRP_block ::= GRP_SGML |
|
76
|
|
|
|
|
|
|
GRP_block ::= GRP_anywhere |
|
77
|
|
|
|
|
|
|
|
|
78
|
|
|
|
|
|
|
FLO_head ::= GRP_head* |
|
79
|
|
|
|
|
|
|
GRP_head ::= GRP_SGML |
|
80
|
|
|
|
|
|
|
GRP_head ::= GRP_anywhere |
|
81
|
|
|
|
|
|
|
|
|
82
|
|
|
|
|
|
|
FLO_inline ::= GRP_inline* |
|
83
|
|
|
|
|
|
|
GRP_inline ::= GRP_SGML |
|
84
|
|
|
|
|
|
|
GRP_inline ::= pcdata |
|
85
|
|
|
|
|
|
|
GRP_inline ::= cdata |
|
86
|
|
|
|
|
|
|
GRP_inline ::= GRP_anywhere |
|
87
|
|
|
|
|
|
|
|
|
88
|
|
|
|
|
|
|
FLO_pcdata ::= GRP_pcdata* |
|
89
|
|
|
|
|
|
|
GRP_pcdata ::= GRP_SGML |
|
90
|
|
|
|
|
|
|
GRP_pcdata ::= pcdata |
|
91
|
|
|
|
|
|
|
GRP_pcdata ::= cdata |
|
92
|
|
|
|
|
|
|
|
|
93
|
|
|
|
|
|
|
END_OF_CORE_BNF |
|
94
|
|
|
|
|
|
|
|
|
95
|
|
|
|
|
|
|
1; |