1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* This file is part of Hubbub.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2008 John-Mark Bell <jmb@netsurf-browser.org>
*/
#include <assert.h>
#include <string.h>
#include "treebuilder/modes.h"
#include "treebuilder/internal.h"
#include "treebuilder/treebuilder.h"
#include "utils/utils.h"
/**
* Handle token in "in head" insertion mode
*
* \param treebuilder The treebuilder instance
* \param token The token to handle
* \return True to reprocess token, false otherwise
*/
bool handle_in_head(hubbub_treebuilder *treebuilder,
const hubbub_token *token)
{
bool reprocess = false;
bool handled = false;
switch (token->type) {
case HUBBUB_TOKEN_CHARACTER:
reprocess = process_characters_expect_whitespace(treebuilder,
token, true);
break;
case HUBBUB_TOKEN_COMMENT:
process_comment_append(treebuilder, token,
treebuilder->context.element_stack[
treebuilder->context.current_node].node);
break;
case HUBBUB_TOKEN_DOCTYPE:
/** \todo parse error */
break;
case HUBBUB_TOKEN_START_TAG:
{
element_type type = element_type_from_name(treebuilder,
&token->data.tag.name);
if (type == HTML) {
/* Process as if "in body" */
process_tag_in_body(treebuilder, token);
} else if (type == BASE || type == COMMAND ||
type == EVENT_SOURCE || type == LINK) {
process_base_link_meta_in_head(treebuilder,
token, type);
/** \todo ack sc flag */
} else if (type == META) {
process_base_link_meta_in_head(treebuilder,
token, type);
/** \todo ack sc flag */
/** \todo detect charset */
} else if (type == TITLE) {
parse_generic_rcdata(treebuilder, token, true);
} else if (type == NOFRAMES || type == STYLE) {
parse_generic_rcdata(treebuilder, token, false);
} else if (type == NOSCRIPT) {
/** \todo determine if scripting is enabled */
if (false /*scripting_is_enabled*/) {
parse_generic_rcdata(treebuilder, token, false);
} else {
insert_element(treebuilder, &token->data.tag);
treebuilder->context.mode = IN_HEAD_NOSCRIPT;
}
} else if (type == SCRIPT) {
process_script_in_head(treebuilder, token);
} else if (type == HEAD) {
/** \todo parse error */
} else {
reprocess = true;
}
}
break;
case HUBBUB_TOKEN_END_TAG:
{
element_type type = element_type_from_name(treebuilder,
&token->data.tag.name);
if (type == HEAD) {
handled = true;
} else if (type == BR) {
reprocess = true;
} /** \todo parse error */
}
break;
case HUBBUB_TOKEN_EOF:
reprocess = true;
break;
}
if (handled || reprocess) {
element_type otype;
void *node;
if (!element_stack_pop(treebuilder, &otype, &node)) {
/** \todo errors */
}
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx,
node);
treebuilder->context.mode = AFTER_HEAD;
}
return reprocess;
}
|
