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#include <sys/types.h>
#include <ctype.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include "util.h"
#include "xml.h"
static XMLParser parser; /* XML parser state */
static char url[2048], text[256], title[256];
static void
printsafe(const char *s)
{
for (; *s; s++) {
if (iscntrl((int)*s))
continue;
else if (*s == '\\')
fputs("\\\\", stdout);
else if (*s == '\'')
fputs("'\\''", stdout);
else
putchar((int)*s);
}
}
static void
xml_handler_end_element(XMLParser *p, const char *tag, size_t taglen,
int isshort)
{
if (strcasecmp(tag, "outline"))
return;
if (url[0]) {
fputs("\tfeed '", stdout);
if (title[0])
printsafe(title);
else if (text[0])
printsafe(text);
else
fputs("unnamed", stdout);
fputs("' '", stdout);
printsafe(url);
fputs("'\n", stdout);
}
url[0] = text[0] = title[0] = '\0';
}
static void
xml_handler_attr(XMLParser *p, const char *tag, size_t taglen,
const char *name, size_t namelen, const char *value, size_t valuelen)
{
if (strcasecmp(tag, "outline"))
return;
if (!strcasecmp(name, "title"))
strlcat(title, value, sizeof(title));
else if (!strcasecmp(name, "text"))
strlcat(text, value, sizeof(text));
else if (!strcasecmp(name, "xmlurl"))
strlcat(url, value, sizeof(url));
}
static void
xml_handler_attrentity(XMLParser *p, const char *tag, size_t taglen,
const char *name, size_t namelen, const char *value, size_t valuelen)
{
char buf[16];
ssize_t len;
if ((len = xml_entitytostr(value, buf, sizeof(buf))) < 0)
return;
if (len > 0)
xml_handler_attr(p, tag, taglen, name, namelen, buf, len);
else
xml_handler_attr(p, tag, taglen, name, namelen, value, valuelen);
}
int
main(void)
{
if (pledge("stdio", NULL) == -1)
err(1, "pledge");
parser.xmlattr = xml_handler_attr;
parser.xmlattrentity = xml_handler_attrentity;
parser.xmltagend = xml_handler_end_element;
fputs(
"#sfeedpath=\"$HOME/.sfeed/feeds\"\n"
"\n"
"# list of feeds to fetch:\n"
"feeds() {\n"
" # feed <name> <feedurl> [basesiteurl] [encoding]\n", stdout);
parser.getnext = getchar;
xml_parse(&parser);
fputs("}\n", stdout);
return 0;
}
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