Added a base class for the parsers.
This commit is contained in:
Jef Driesen
parent
596af5a17b
commit
08e84cb8fc
@ -6,6 +6,7 @@ libdivecomputerdir = $(includedir)/libdivecomputer
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libdivecomputer_HEADERS = \
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utils.h \
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device.h \
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parser.h \
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suunto.h \
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suunto_eon.h \
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suunto_vyper.h \
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@ -33,6 +34,7 @@ libdivecomputer_la_LDFLAGS = \
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libdivecomputer_la_SOURCES = \
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device.h device-private.h device.c \
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parser.h parser-private.h parser.c \
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suunto.h \
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suunto_common.h suunto_common.c \
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suunto_eon.h suunto_eon.c \
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@ -1,3 +1,8 @@
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parser_get_type
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parser_set_data
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parser_samples_foreach
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parser_destroy
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device_close
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device_dump
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device_foreach
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58
src/parser-private.h
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58
src/parser-private.h
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@ -0,0 +1,58 @@
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/*
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* libdivecomputer
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*
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* Copyright (C) 2008 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef PARSER_PRIVATE_H
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#define PARSER_PRIVATE_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include "parser.h"
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struct parser_t;
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struct parser_backend_t;
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typedef struct parser_backend_t parser_backend_t;
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struct parser_t {
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const parser_backend_t *backend;
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const unsigned char *data;
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unsigned int size;
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};
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struct parser_backend_t {
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parser_type_t type;
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parser_status_t (*set_data) (parser_t *parser, const unsigned char *data, unsigned int size);
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parser_status_t (*samples_foreach) (parser_t *parser, sample_callback_t callback, void *userdata);
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parser_status_t (*destroy) (parser_t *parser);
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};
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void
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parser_init (parser_t *parser, const parser_backend_t *backend);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PARSER_PRIVATE_H */
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84
src/parser.c
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84
src/parser.c
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@ -0,0 +1,84 @@
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/*
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* libdivecomputer
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*
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* Copyright (C) 2008 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include "parser-private.h"
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#define NULL 0
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void
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parser_init (parser_t *parser, const parser_backend_t *backend)
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{
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parser->backend = backend;
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parser->data = NULL;
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parser->size = 0;
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}
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parser_type_t
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parser_get_type (parser_t *parser)
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{
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if (parser == NULL)
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return PARSER_TYPE_NULL;
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return parser->backend->type;
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}
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parser_status_t
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parser_set_data (parser_t *parser, const unsigned char *data, unsigned int size)
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{
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if (parser == NULL)
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return PARSER_STATUS_UNSUPPORTED;
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if (parser->backend->set_data == NULL)
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return PARSER_STATUS_UNSUPPORTED;
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parser->data = data;
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parser->size = size;
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return parser->backend->set_data (parser, data, size);
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}
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parser_status_t
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parser_samples_foreach (parser_t *parser, sample_callback_t callback, void *userdata)
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{
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if (parser == NULL)
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return PARSER_STATUS_UNSUPPORTED;
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if (parser->backend->samples_foreach == NULL)
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return PARSER_STATUS_UNSUPPORTED;
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return parser->backend->samples_foreach (parser, callback, userdata);
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}
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parser_status_t
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parser_destroy (parser_t *parser)
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{
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if (parser == NULL)
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return PARSER_STATUS_SUCCESS;
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if (parser->backend->destroy == NULL)
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return PARSER_STATUS_UNSUPPORTED;
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return parser->backend->destroy (parser);
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}
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96
src/parser.h
Normal file
96
src/parser.h
Normal file
@ -0,0 +1,96 @@
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/*
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* libdivecomputer
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*
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* Copyright (C) 2008 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef PARSER_H
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#define PARSER_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef enum parser_type_t {
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PARSER_TYPE_NULL = 0
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} parser_type_t;
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typedef enum parser_status_t {
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PARSER_STATUS_SUCCESS = 0,
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PARSER_STATUS_UNSUPPORTED = -1,
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PARSER_STATUS_TYPE_MISMATCH = -2,
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PARSER_STATUS_ERROR = -3,
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PARSER_STATUS_MEMORY = -7
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} parser_status_t;
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typedef enum parser_sample_type_t {
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SAMPLE_TYPE_TIME,
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SAMPLE_TYPE_DEPTH,
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SAMPLE_TYPE_PRESSURE,
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SAMPLE_TYPE_TEMPERATURE,
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SAMPLE_TYPE_EVENT,
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SAMPLE_TYPE_RBT,
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SAMPLE_TYPE_HEARTBEAT
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} parser_sample_type_t;
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typedef enum parser_sample_event_t {
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SAMPLE_EVENT_NONE
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} parser_sample_event_t;
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typedef enum parser_sample_flags_t {
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SAMPLE_FLAGS_NONE
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} parser_sample_flags_t;
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typedef union parser_sample_value_t {
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unsigned int time;
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double depth;
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struct {
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unsigned int tank;
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double value;
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} pressure;
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double temperature;
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struct {
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unsigned int type;
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unsigned int time;
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unsigned int flags;
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unsigned int value;
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} event;
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unsigned int rbt;
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unsigned int heartbeat;
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} parser_sample_value_t;
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typedef struct parser_t parser_t;
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typedef void (*sample_callback_t) (parser_sample_type_t type, parser_sample_value_t value, void *userdata);
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parser_type_t
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parser_get_type (parser_t *device);
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parser_status_t
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parser_set_data (parser_t *parser, const unsigned char *data, unsigned int size);
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parser_status_t
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parser_samples_foreach (parser_t *parser, sample_callback_t callback, void *userdata);
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parser_status_t
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parser_destroy (parser_t *parser);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PARSER_H */
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