mirror of
https://github.com/cookiengineer/audacity
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170 lines
4.4 KiB
C
170 lines
4.4 KiB
C
/* -*- Mode: c; c-basic-offset: 2 -*-
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*
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* rdf_log.h - RDF logging interfaces
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*
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* Copyright (C) 2004-2008, David Beckett http://www.dajobe.org/
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* Copyright (C) 2004-2005, University of Bristol, UK http://www.bristol.ac.uk/
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*
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* This package is Free Software and part of Redland http://librdf.org/
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*
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* It is licensed under the following three licenses as alternatives:
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* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
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* 2. GNU General Public License (GPL) V2 or any newer version
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* 3. Apache License, V2.0 or any newer version
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*
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* You may not use this file except in compliance with at least one of
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* the above three licenses.
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*
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* See LICENSE.html or LICENSE.txt at the top of this package for the
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* complete terms and further detail along with the license texts for
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* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
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*
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*
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*/
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#ifndef LIBRDF_LOG_H
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#define LIBRDF_LOG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <raptor.h>
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/**
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* librdf_log_level:
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* @LIBRDF_LOG_NONE: No level
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* @LIBRDF_LOG_DEBUG: Debug.
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* @LIBRDF_LOG_INFO: Information.
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* @LIBRDF_LOG_WARN: Warning.
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* @LIBRDF_LOG_ERROR: Recoverable error. Program can continue.
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* @LIBRDF_LOG_FATAL: Fatal error. Program will abort if this is not caught.
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* @LIBRDF_LOG_LAST: Internal, never returned.
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*
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* Indicates the level of the log message.
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*/
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typedef enum {
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LIBRDF_LOG_NONE = 0,
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LIBRDF_LOG_DEBUG,
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LIBRDF_LOG_INFO,
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LIBRDF_LOG_WARN,
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LIBRDF_LOG_ERROR,
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LIBRDF_LOG_FATAL,
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LIBRDF_LOG_LAST=LIBRDF_LOG_FATAL
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} librdf_log_level;
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/**
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* librdf_log_facility:
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* @LIBRDF_FROM_CONCEPTS: Concepts
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* @LIBRDF_FROM_DIGEST: Digest
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* @LIBRDF_FROM_FILES: Files
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* @LIBRDF_FROM_HASH: Hash
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* @LIBRDF_FROM_INIT: Init
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* @LIBRDF_FROM_ITERATOR: Iterator
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* @LIBRDF_FROM_LIST: List
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* @LIBRDF_FROM_MODEL: Model
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* @LIBRDF_FROM_NODE: Node
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* @LIBRDF_FROM_PARSER: Parser
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* @LIBRDF_FROM_QUERY: Query
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* @LIBRDF_FROM_SERIALIZER: Serializer
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* @LIBRDF_FROM_STATEMENT: Statement
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* @LIBRDF_FROM_STORAGE: Storage
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* @LIBRDF_FROM_STREAM: Stream
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* @LIBRDF_FROM_URI: URI
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* @LIBRDF_FROM_UTF8: UTF8
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* @LIBRDF_FROM_MEMORY: Memory
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* @LIBRDF_FROM_NONE: Associated with no part.
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* @LIBRDF_FROM_LAST: Internal, never returned.
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*
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* Indicates the part of the system that generated the log message.
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*/
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typedef enum {
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LIBRDF_FROM_NONE = 0,
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LIBRDF_FROM_CONCEPTS,
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LIBRDF_FROM_DIGEST,
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LIBRDF_FROM_FILES,
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LIBRDF_FROM_HASH,
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LIBRDF_FROM_INIT,
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LIBRDF_FROM_ITERATOR,
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LIBRDF_FROM_LIST,
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LIBRDF_FROM_MODEL,
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LIBRDF_FROM_NODE,
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LIBRDF_FROM_PARSER,
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LIBRDF_FROM_QUERY,
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LIBRDF_FROM_SERIALIZER,
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LIBRDF_FROM_STATEMENT,
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LIBRDF_FROM_STORAGE,
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LIBRDF_FROM_STREAM,
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LIBRDF_FROM_URI,
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LIBRDF_FROM_UTF8,
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LIBRDF_FROM_MEMORY,
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LIBRDF_FROM_LAST=LIBRDF_FROM_MEMORY
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} librdf_log_facility;
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/**
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* librdf_log_message:
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*
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* Structure for storing parts of a log message generated by Redland.
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*/
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typedef struct
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{
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int code; /* The error code */
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librdf_log_level level;
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librdf_log_facility facility;
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const char *message;
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/* valid for certain facilities such as LIBRDF_FROM_PARSER */
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raptor_locator *locator;
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} librdf_log_message;
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/**
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* librdf_log_level_func:
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* @user_data: User data pointer
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* @message: Log message.
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* @arguments: Message arguments.
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*
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* Handler for one log level, for the warning and error levels ONLY.
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* Used by #librdf_world_set_warning and #librdf_world_set_error.
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*
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* Return value: non-zero to indicate log message has been handled
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*/
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typedef int (*librdf_log_level_func)(void *user_data, const char *message, va_list arguments);
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/**
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* librdf_log_func:
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* @user_data: User data pointer
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* @message: Log message structure pointer.
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*
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* Handler for all log levels.
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*
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* Return value: non-zero to indicate log message has been handled
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*/
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typedef int (*librdf_log_func)(void *user_data, librdf_log_message *message);
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#ifdef LIBRDF_INTERNAL
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#include <rdf_log_internal.h>
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#endif
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/* log message accessors */
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REDLAND_API
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int librdf_log_message_code(librdf_log_message *message);
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REDLAND_API
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librdf_log_level librdf_log_message_level(librdf_log_message *message);
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REDLAND_API
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librdf_log_facility librdf_log_message_facility(librdf_log_message *message);
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REDLAND_API
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const char * librdf_log_message_message(librdf_log_message *message);
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REDLAND_API
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raptor_locator* librdf_log_message_locator(librdf_log_message *message);
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#ifdef __cplusplus
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}
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#endif
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#endif
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