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
120
121
122
123
|
/*
* 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 tokens in "generic rcdata" insertion mode
*
* \param treebuilder The treebuilder instance
* \param token The token to process
* \return True to reprocess the token, false otherwise
*/
bool handle_generic_rcdata(hubbub_treebuilder *treebuilder,
const hubbub_token *token)
{
bool reprocess = false;
bool done = false;
if (treebuilder->context.strip_leading_lr &&
token->type != HUBBUB_TOKEN_CHARACTER) {
/* Reset the LR stripping flag */
treebuilder->context.strip_leading_lr = false;
}
switch (token->type) {
case HUBBUB_TOKEN_CHARACTER:
if (treebuilder->context.collect.string.len == 0) {
treebuilder->context.collect.string.data.off =
token->data.character.data.off;
}
treebuilder->context.collect.string.len +=
token->data.character.len;
if (treebuilder->context.strip_leading_lr) {
const uint8_t *str = treebuilder->input_buffer +
treebuilder->context.collect.string.data.off;
/** \todo UTF-16 */
if (*str == '\n') {
treebuilder->context.collect.string.data.off++;
treebuilder->context.collect.string.len--;
}
treebuilder->context.strip_leading_lr = false;
}
break;
case HUBBUB_TOKEN_END_TAG:
{
element_type type = element_type_from_name(treebuilder,
&token->data.tag.name);
if (type != treebuilder->context.collect.type) {
/** \todo parse error */
}
done = true;
}
break;
case HUBBUB_TOKEN_EOF:
/** \todo parse error */
done = reprocess = true;
break;
case HUBBUB_TOKEN_COMMENT:
case HUBBUB_TOKEN_DOCTYPE:
case HUBBUB_TOKEN_START_TAG:
/* Should never happen */
assert(0);
break;
}
if (done) {
int success;
void *text, *appended;
success = treebuilder->tree_handler->create_text(
treebuilder->tree_handler->ctx,
&treebuilder->context.collect.string,
&text);
if (success != 0) {
/** \todo errors */
}
success = treebuilder->tree_handler->append_child(
treebuilder->tree_handler->ctx,
treebuilder->context.collect.node,
text, &appended);
if (success != 0) {
/** \todo errors */
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx,
text);
}
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx, appended);
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx, text);
/* Clean up context */
treebuilder->tree_handler->unref_node(
treebuilder->tree_handler->ctx,
treebuilder->context.collect.node);
treebuilder->context.collect.node = NULL;
/* Return to previous insertion mode */
treebuilder->context.mode =
treebuilder->context.collect.mode;
}
return reprocess;
}
|