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#include <sys/types.h>
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "util.h"
#include "xml.h"
static XMLParser parser;
static int isxmlpi, tags;
static void
xmltagstart(XMLParser *p, const char *tag, size_t taglen)
{
/* 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)
{
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)
{
if (isxmlpi && !strcasecmp(name, "encoding")) {
if (*value) {
/* output lowercase */
for (; *value; value++)
putc(tolower((int)*value), stdout);
putchar('\n');
}
exit(0);
}
}
int
main(void)
{
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
parser.xmlattr = xmlattr;
parser.xmltagend = xmltagend;
parser.xmltagstart = xmltagstart;
parser.getnext = getchar;
xml_parse(&parser);
return 1;
}
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