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
|
/* xml_getencoding.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "newstr.h"
#include "newstr_conv.h"
#include "xml.h"
static int
xml_getencodingr( xml *node )
{
newstr *s;
int n = CHARSET_UNKNOWN, m;
if ( xml_tagexact( node, "xml" ) ) {
s = xml_getattrib( node, "encoding" );
if ( s && s->data ) {
if ( !strcasecmp( s->data, "UTF-8" ) )
n = CHARSET_UNICODE;
else n = get_charset( s->data );
if ( n==CHARSET_UNKNOWN ) {
fprintf( stderr, "Warning: did not recognize "
"encoding '%s'\n", s->data );
}
}
}
if ( node->down ) {
m = xml_getencodingr( node->down );
if ( m!=CHARSET_UNKNOWN ) n = m;
}
if ( node->next ) {
m = xml_getencodingr( node->next );
if ( m!=CHARSET_UNKNOWN ) n = m;
}
return n;
}
int
xml_getencoding( newstr *s )
{
newstr descriptor;
xml descriptxml;
int file_charset = CHARSET_UNKNOWN;
char *p, *q;
p = strstr( s->data, "<?xml" );
if ( !p ) p = strstr( s->data, "<?XML" );
if ( p ) {
q = strstr( p, "?>" );
if ( q ) {
newstr_init( &descriptor );
newstr_segcpy( &descriptor, p, q+2 );
xml_init( &descriptxml );
xml_tree( descriptor.data, &descriptxml );
file_charset = xml_getencodingr( &descriptxml );
xml_free( &descriptxml );
newstr_free( &descriptor );
newstr_segdel( s, p, q+2 );
}
}
return file_charset;
}
|
