static void
raptor_libxml_xmlStructuredError_handler_common(raptor_world *world,
raptor_locator *locator,
xmlErrorPtr err)
{
raptor_stringbuffer* sb;
char *nmsg;
raptor_log_level level = RAPTOR_LOG_LEVEL_ERROR;
if(err == NULL || err->code == XML_ERR_OK || err->level == XML_ERR_NONE)
return;
/* Do not warn about things with no location */
if(err->level == XML_ERR_WARNING && !err->file)
return;
/* XML fatal errors never cause an abort */
if(err->level == XML_ERR_FATAL)
err->level = XML_ERR_ERROR;
sb = raptor_new_stringbuffer();
if(err->domain != XML_FROM_HTML)
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)"XML ",
4, 1);
if(err->domain != XML_FROM_NONE && err->domain < XML_LAST_DL) {
const unsigned char* label;
label = (const unsigned char*)raptor_libxml_domain_labels[(int)err->domain];
raptor_stringbuffer_append_string(sb, label, 1);
raptor_stringbuffer_append_counted_string(sb,
(const unsigned char*)" ", 1, 1);
}
if(err->level == XML_ERR_WARNING)
raptor_stringbuffer_append_counted_string(sb,
(const unsigned char*)"warning: ",
9, 1);
else /* XML_ERR_ERROR or XML_ERR_FATAL */
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)"error: ",
7, 1);
if(err->message) {
unsigned char* msg;
size_t len;
msg = (unsigned char*)err->message;
len= strlen((const char*)msg);
if(len && msg[len-1] == '\n')
msg[--len]='\0';
raptor_stringbuffer_append_counted_string(sb, msg, len, 1);
}
#if LIBXML_VERSION >= 20618
/* 2005-02-13 - v2.6.18 */
/* str1 has the detailed HTTP error */
if(err->domain == XML_FROM_HTTP && err->str1) {
unsigned char* msg;
size_t len;
msg = (unsigned char*)err->str1;
len= strlen((const char*)msg);
if(len && msg[len-1] == '\n')
msg[--len]='\0';
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)" - ",
3, 1);
raptor_stringbuffer_append_counted_string(sb, msg, len, 1);
}
#endif
/* When err->domain == XML_FROM_XPATH then err->int1 is
* the offset into err->str1, the line with the error
*/
if(err->domain == XML_FROM_XPATH && err->str1) {
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)" in ",
4, 1);
raptor_stringbuffer_append_string(sb, (const unsigned char*)err->str1, 1);
}
nmsg = (char*)raptor_stringbuffer_as_string(sb);
if(err->level == XML_ERR_FATAL)
level = RAPTOR_LOG_LEVEL_FATAL;
else if(err->level == XML_ERR_ERROR)
level = RAPTOR_LOG_LEVEL_ERROR;
else
level = RAPTOR_LOG_LEVEL_WARN;
raptor_log_error(world, level, locator, nmsg);
raptor_free_stringbuffer(sb);
}
static int
rasqal_builtin_agg_expression_execute_step(void* user_data,
raptor_sequence* literals)
{
rasqal_builtin_agg_expression_execute* b;
rasqal_literal* l;
int i;
b = (rasqal_builtin_agg_expression_execute*)user_data;
if(b->error)
return 1;
if(b->expr->op == RASQAL_EXPR_COUNT) {
/* COUNT(*) : counts every row (does not care about literals) */
if(b->expr->arg1->op == RASQAL_EXPR_VARSTAR)
b->count++;
/* COUNT(expr list) : counts rows with non-empty sequence of literals */
else if(raptor_sequence_size(literals) > 0)
b->count++;
return 0;
}
/* Other aggregate functions count every row */
b->count++;
for(i = 0; (l = (rasqal_literal*)raptor_sequence_get_at(literals, i)); i++) {
rasqal_literal* result = NULL;
if(b->expr->op == RASQAL_EXPR_SAMPLE) {
/* Sample chooses the first literal it sees */
if(!b->l)
b->l = rasqal_new_literal_from_literal(l);
break;
}
if(b->expr->op == RASQAL_EXPR_GROUP_CONCAT) {
const unsigned char* str;
int error = 0;
str = (const unsigned char*)rasqal_literal_as_string_flags(l, 0, &error);
if(!error) {
if(raptor_stringbuffer_length(b->sb))
raptor_stringbuffer_append_counted_string(b->sb, b->separator, 1, 1);
raptor_stringbuffer_append_string(b->sb, str, 1);
}
continue;
}
if(!b->l)
result = rasqal_new_literal_from_literal(l);
else {
if(b->expr->op == RASQAL_EXPR_SUM || b->expr->op == RASQAL_EXPR_AVG) {
result = rasqal_literal_add(b->l, l, &b->error);
} else if(b->expr->op == RASQAL_EXPR_MIN) {
int cmp = rasqal_literal_compare(b->l, l, 0, &b->error);
if(cmp <= 0)
result = rasqal_new_literal_from_literal(b->l);
else
result = rasqal_new_literal_from_literal(l);
} else if(b->expr->op == RASQAL_EXPR_MAX) {
int cmp = rasqal_literal_compare(b->l, l, 0, &b->error);
if(cmp >= 0)
result = rasqal_new_literal_from_literal(b->l);
else
result = rasqal_new_literal_from_literal(l);
} else {
RASQAL_FATAL2("Builtin aggregation operation %d is not implemented",
b->expr->op);
}
rasqal_free_literal(b->l);
if(!result)
b->error = 1;
}
b->l = result;
#if RASQAL_DEBUG > 1
RASQAL_DEBUG3("Aggregation step result %s (error=%d)\n",
(result ? (const char*)rasqal_literal_as_string(result) : "(NULL)"),
b->error);
#endif
if(b->error)
break;
}
return b->error;
}
void
raptor_libxml_xmlStructuredErrorFunc(void *user_data, xmlErrorPtr err)
{
raptor_error_handlers* error_handlers=(raptor_error_handlers*)user_data;
raptor_stringbuffer* sb;
char *nmsg;
raptor_message_handler handler=NULL;
void* handler_data=NULL;
raptor_log_level level=RAPTOR_LOG_LEVEL_ERROR;
if(err == NULL || err->code == XML_ERR_OK || err->level == XML_ERR_NONE)
return;
/* Do not warn about things with no location */
if(err->level == XML_ERR_WARNING && !err->file)
return;
/* XML fatal errors never cause an abort */
if(err->level == XML_ERR_FATAL)
err->level= XML_ERR_ERROR;
sb=raptor_new_stringbuffer();
if(err->domain != XML_FROM_HTML)
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)"XML ",
4, 1);
if(err->domain != XML_FROM_NONE && err->domain < XML_LAST_DL) {
const unsigned char* label;
label=(const unsigned char*)raptor_libxml_domain_labels[(int)err->domain];
raptor_stringbuffer_append_string(sb, label, 1);
raptor_stringbuffer_append_counted_string(sb,
(const unsigned char*)" ", 1, 1);
}
if(err->level == XML_ERR_WARNING)
raptor_stringbuffer_append_counted_string(sb,
(const unsigned char*)"warning: ",
9, 1);
else /* XML_ERR_ERROR or XML_ERR_FATAL */
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)"error: ",
7, 1);
if(err->message) {
unsigned char* msg;
size_t len;
msg=(unsigned char*)err->message;
len= strlen((const char*)msg);
if(len && msg[len-1] == '\n')
msg[--len]='\0';
raptor_stringbuffer_append_counted_string(sb, msg, len, 1);
}
#if LIBXML_VERSION >= 20618
/* 2005-02-13 - v2.6.18 */
/* str1 has the detailed HTTP error */
if(err->domain == XML_FROM_HTTP && err->str1) {
unsigned char* msg;
size_t len;
msg=(unsigned char*)err->str1;
len= strlen((const char*)msg);
if(len && msg[len-1] == '\n')
msg[--len]='\0';
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)" - ",
3, 1);
raptor_stringbuffer_append_counted_string(sb, msg, len, 1);
}
#endif
/* When err->domain == XML_FROM_XPATH then err->int1 is
* the offset into err->str1, the line with the error
*/
if(err->domain == XML_FROM_XPATH && err->str1) {
raptor_stringbuffer_append_counted_string(sb, (const unsigned char*)" in ",
4, 1);
raptor_stringbuffer_append_string(sb, (const unsigned char*)err->str1, 1);
}
if(error_handlers) {
if(error_handlers->magic != RAPTOR_ERROR_HANDLER_MAGIC) {
#ifdef RAPTOR_DEBUG
if(1) /* FIXME */
RAPTOR_DEBUG2("Received bogus error_handlers pointer %p\n",
error_handlers);
else
RAPTOR_FATAL2("Received bogus error_handlers pointer %p\n",
error_handlers);
#endif
error_handlers=NULL;
}
}
nmsg=(char*)raptor_stringbuffer_as_string(sb);
if(err->level == XML_ERR_FATAL)
level=RAPTOR_LOG_LEVEL_FATAL;
else if(err->level == XML_ERR_ERROR)
level=RAPTOR_LOG_LEVEL_ERROR;
else
level=RAPTOR_LOG_LEVEL_WARNING;
if(error_handlers && level <= error_handlers->last_log_level) {
handler=error_handlers->handlers[level].handler;
handler_data=error_handlers->handlers[level].user_data;
}
raptor_log_error(level, handler, handler_data,
(error_handlers ? error_handlers->locator : NULL),
nmsg);
raptor_free_stringbuffer(sb);
}
