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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <stdio.h>
#include <glib.h>
static int depth = 0;
static void
indent (int extra)
{
int i = 0;
while (i < depth)
{
fputs (" ", stdout);
++i;
}
}
static void
start_element_handler (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error)
{
int i;
indent (0);
printf ("ELEMENT '%s'\n", element_name);
i = 0;
while (attribute_names[i] != NULL)
{
indent (1);
printf ("%s=\"%s\"\n",
attribute_names[i],
attribute_values[i]);
++i;
}
++depth;
}
static void
end_element_handler (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
--depth;
indent (0);
printf ("END '%s'\n", element_name);
}
static void
text_handler (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
indent (0);
printf ("TEXT '%.*s'\n", (int)text_len, text);
}
static void
passthrough_handler (GMarkupParseContext *context,
const gchar *passthrough_text,
gsize text_len,
gpointer user_data,
GError **error)
{
indent (0);
printf ("PASS '%.*s'\n", (int)text_len, passthrough_text);
}
static void
error_handler (GMarkupParseContext *context,
GError *error,
gpointer user_data)
{
fprintf (stderr, " %s\n", error->message);
}
static const GMarkupParser parser = {
start_element_handler,
end_element_handler,
text_handler,
passthrough_handler,
error_handler
};
static const GMarkupParser silent_parser = {
NULL,
NULL,
NULL,
NULL,
error_handler
};
static int
test_in_chunks (const gchar *contents,
gint length,
gint chunk_size)
{
GMarkupParseContext *context;
int i = 0;
context = g_markup_parse_context_new (&silent_parser, 0, NULL, NULL);
while (i < length)
{
int this_chunk = MIN (length - i, chunk_size);
if (!g_markup_parse_context_parse (context,
contents + i,
this_chunk,
NULL))
{
g_markup_parse_context_free (context);
return 1;
}
i += this_chunk;
}
if (!g_markup_parse_context_end_parse (context, NULL))
{
g_markup_parse_context_free (context);
return 1;
}
g_markup_parse_context_free (context);
return 0;
}
static int
test_file (const gchar *filename)
{
gchar *contents;
gsize length;
GError *error;
GMarkupParseContext *context;
error = NULL;
if (!g_file_get_contents (filename,
&contents,
&length,
&error))
{
fprintf (stderr, "%s\n", error->message);
g_error_free (error);
return 1;
}
context = g_markup_parse_context_new (&parser, 0, NULL, NULL);
if (!g_markup_parse_context_parse (context, contents, length, NULL))
{
g_markup_parse_context_free (context);
return 1;
}
if (!g_markup_parse_context_end_parse (context, NULL))
{
g_markup_parse_context_free (context);
return 1;
}
g_markup_parse_context_free (context);
/* A byte at a time */
if (test_in_chunks (contents, length, 1) != 0)
return 1;
/* 2 bytes */
if (test_in_chunks (contents, length, 2) != 0)
return 1;
/*5 bytes */
if (test_in_chunks (contents, length, 5) != 0)
return 1;
/* 12 bytes */
if (test_in_chunks (contents, length, 12) != 0)
return 1;
/* 1024 bytes */
if (test_in_chunks (contents, length, 1024) != 0)
return 1;
return 0;
}
int
main (int argc,
char *argv[])
{
if (argc > 1)
return test_file (argv[1]);
else
{
fprintf (stderr, "Give a markup file on the command line\n");
return 1;
}
}
|
