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/* -*- Mode: c; c-basic-offset: 2 -*-
*
* raptor_log.c - Raptor log handling
*
* Copyright (C) 2000-2010, David Beckett http://www.dajobe.org/
* Copyright (C) 2000-2005, University of Bristol, UK http://www.bristol.ac.uk/
*
* This package is Free Software and part of Redland http://librdf.org/
*
* It is licensed under the following three licenses as alternatives:
* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
* 2. GNU General Public License (GPL) V2 or any newer version
* 3. Apache License, V2.0 or any newer version
*
* You may not use this file except in compliance with at least one of
* the above three licenses.
*
* See LICENSE.html or LICENSE.txt at the top of this package for the
* complete terms and further detail along with the license texts for
* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
*
*
*/
#ifdef HAVE_CONFIG_H
#include <raptor_config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdarg.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
/* Raptor includes */
#include "raptor2.h"
#include "raptor_internal.h"
static const char* const raptor_log_level_labels[RAPTOR_LOG_LEVEL_LAST + 1] = {
"none",
"trace",
"debug",
"info",
"warning",
"error",
"fatal error"
};
/**
* raptor_log_level_get_label:
* @level: log message level
*
* Get label for a log message level
*
* Return value: label string or NULL if level is not valid
*/
const char*
raptor_log_level_get_label(raptor_log_level level)
{
return (level <= RAPTOR_LOG_LEVEL_LAST) ? raptor_log_level_labels[level] : NULL;
}
void
raptor_log_error_varargs(raptor_world* world, raptor_log_level level,
raptor_locator* locator,
const char* message, va_list arguments)
{
char *buffer = NULL;
size_t length;
if(level == RAPTOR_LOG_LEVEL_NONE)
return;
if(world && world->internal_ignore_errors)
return;
length = raptor_vasprintf(&buffer, message, arguments);
if(!buffer) {
if(locator) {
raptor_locator_print(locator, stderr);
fputc(' ', stderr);
}
fputs("raptor ", stderr);
fputs(raptor_log_level_labels[level], stderr);
fputs(" - ", stderr);
vfprintf(stderr, message, arguments);
fputc('\n', stderr);
return;
}
if(length >= 1 && buffer[length-1] == '\n')
buffer[length-1]='\0';
raptor_log_error(world, level, locator, buffer);
RAPTOR_FREE(char*, buffer);
}
void
raptor_log_error_formatted(raptor_world* world, raptor_log_level level,
raptor_locator* locator,
const char* message, ...)
{
va_list arguments;
va_start(arguments, message);
raptor_log_error_varargs(world, level, locator, message, arguments);
va_end(arguments);
}
/* internal */
void
raptor_log_error(raptor_world* world, raptor_log_level level,
raptor_locator* locator, const char* text)
{
raptor_log_handler handler;
if(level == RAPTOR_LOG_LEVEL_NONE)
return;
if(world) {
if(world->internal_ignore_errors)
return;
memset(&world->message, '\0', sizeof(world->message));
world->message.code = -1;
world->message.domain = RAPTOR_DOMAIN_NONE;
world->message.level = level;
world->message.locator = locator;
world->message.text = text;
handler = world->message_handler;
if(handler) {
/* This is the place in raptor that ALL of the user error handler
* functions are called.
*/
handler(world->message_handler_user_data, &world->message);
return;
}
}
/* default - print it to stderr */
if(locator) {
raptor_locator_print(locator, stderr);
fputc(' ', stderr);
}
fputs("raptor ", stderr);
fputs(raptor_log_level_labels[level], stderr);
fputs(" - ", stderr);
fputs(text, stderr);
fputc('\n', stderr);
}
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