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#include <ctype.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "xml.h"
static XMLParser parser;
static int isxmlpi = 0, tags = 0;
static void
xmltagstart(XMLParser *p, const char *tag, size_t taglen)
{
(void)p;
/* optimization: try to find processing instruction at start */
if (tags > 3)
exit(1);
isxmlpi = (!strncasecmp(tag, "?xml", taglen)) ? 1 : 0;
tags++;
}
static void
xmltagend(XMLParser *p, const char *tag, size_t taglen, int isshort)
{
(void)p;
(void)tag;
(void)taglen;
(void)isshort;
isxmlpi = 0;
}
static void
xmlattr(XMLParser *p, const char *tag, size_t taglen, const char *name,
size_t namelen, const char *value, size_t valuelen)
{
(void)p;
(void)tag;
(void)taglen;
(void)valuelen;
if (isxmlpi && (!strncasecmp(name, "encoding", namelen))) {
if (*value) {
/* output lowercase */
for (; *value; value++)
putc(tolower((int)*value), stdout);
putchar('\n');
}
exit(0);
}
}
int
main(void)
{
parser.xmlattr = xmlattr;
parser.xmltagstart = xmltagstart;
parser.xmltagend = xmltagend;
xml_parse_fd(&parser, 0);
return 1;
}
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