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#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <ctype.h>
#include "xml.h"
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(EXIT_FAILURE);
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(EXIT_SUCCESS);
}
}
int
main(void) {
XMLParser x;
xmlparser_init(&x, stdin);
x.xmltagstart = xmltagstart;
x.xmltagend = xmltagend;
x.xmlattr = xmlattr;
xmlparser_parse(&x);
return EXIT_FAILURE;
}
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