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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include "util.h"
#include "xml.h"
static XMLParser parser;
static int tags;
static void
xmltagstart(XMLParser *p, const char *t, size_t tl)
{
/* optimization: try to find a processing instruction only at the
start of the data at the first few starting tags. */
if (tags++ > 3)
exit(0);
}
static void
xmlattr(XMLParser *p, const char *t, size_t tl, const char *n, size_t nl,
const char *v, size_t vl)
{
if (strcasecmp(t, "?xml") || strcasecmp(n, "encoding"))
return;
for (; *v; v++) {
if (isalpha((unsigned char)*v) ||
isdigit((unsigned char)*v) ||
*v == '.' || *v == ':' || *v == '-' || *v == '_')
putchar(tolower((unsigned char)*v));
}
}
static void
xmlattrend(XMLParser *p, const char *t, size_t tl, const char *n, size_t nl)
{
if (strcasecmp(t, "?xml") || strcasecmp(n, "encoding"))
return;
putchar('\n');
exit(0);
}
int
main(void)
{
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
parser.xmlattr = xmlattr;
parser.xmlattrentity = xmlattr; /* no entity conversion */
parser.xmlattrend = xmlattrend;
parser.xmltagstart = xmltagstart;
/* NOTE: getnext is defined in xml.h for inline optimization */
xml_parse(&parser);
checkfileerror(stdin, "<stdin>", 'r');
checkfileerror(stdout, "<stdout>", 'w');
return 0;
}
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