static char *
qglsa_get_xml_tag_attribute(const char *xml_buf, const char *tag, const char *attribute)
{
static char tmp_buf[BUFSIZE];
char *start, *end, *start_attr, *end_attr;
/* find the start of this tag */
sprintf(tmp_buf, "<%s ", tag);
if ((start = strstr(xml_buf, tmp_buf)) == NULL)
return NULL;
/* find the end of this tag */
start += strlen(tmp_buf) - 1;
if ((end = strchr(start, '>')) == NULL)
return NULL;
/* find the attribute in this tag */
sprintf(tmp_buf, " %s=", attribute);
if ((start_attr = strstr(start, tmp_buf)) == NULL)
return NULL;
/* get the value */
start_attr += strlen(tmp_buf);
if (*start_attr == '"') {
end_attr = strchr(++start_attr, '"');
} else {
end_attr = strchr(start_attr, ' ');
}
assert(end_attr - start_attr < sizeof(tmp_buf));
memcpy(tmp_buf, start_attr, end_attr-start_attr);
tmp_buf[end_attr-start_attr] = '\0';
qglsa_decode_entities(tmp_buf, end-start);
return tmp_buf;
}
static char *qglsa_get_xml_tag(const char *xml_buf, const char *tag)
{
static char tmp_buf[BUFSIZE];
char *start, *end;
sprintf(tmp_buf, "<%s>", tag);
if ((start = strstr(xml_buf, tmp_buf)) == NULL) {
sprintf(tmp_buf, "<%s ", tag);
if ((start = strstr(xml_buf, tmp_buf)) == NULL)
return NULL;
}
start += strlen(tmp_buf);
sprintf(tmp_buf, "</%s>", tag);
if ((end = strstr(start, tmp_buf)) == NULL)
return NULL;
assert(end - start < sizeof(tmp_buf));
memcpy(tmp_buf, start, end - start);
tmp_buf[end - start] = '\0';
qglsa_decode_entities(tmp_buf, end-start);
return tmp_buf;
}