6419e189a4
Currently, each backend has it's own function to verify whether the object vtable pointer is the expected one. All these functions can be removed in favor of a single isintance function in the base class, which takes the expected vtable pointer as a parameter. Functions which are called through the vtable, don't need to verify the vtable pointer, and those checks are removed.
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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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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#include <libdivecomputer/context.h>
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#include <libdivecomputer/parser.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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struct dc_parser_t;
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struct dc_parser_vtable_t;
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typedef struct dc_parser_vtable_t dc_parser_vtable_t;
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struct dc_parser_t {
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const dc_parser_vtable_t *vtable;
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dc_context_t *context;
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const unsigned char *data;
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unsigned int size;
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};
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struct dc_parser_vtable_t {
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dc_family_t type;
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dc_status_t (*set_data) (dc_parser_t *parser, const unsigned char *data, unsigned int size);
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dc_status_t (*datetime) (dc_parser_t *parser, dc_datetime_t *datetime);
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dc_status_t (*field) (dc_parser_t *parser, dc_field_type_t type, unsigned int flags, void *value);
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dc_status_t (*samples_foreach) (dc_parser_t *parser, dc_sample_callback_t callback, void *userdata);
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dc_status_t (*destroy) (dc_parser_t *parser);
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};
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void
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parser_init (dc_parser_t *parser, dc_context_t *context, const dc_parser_vtable_t *vtable);
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int
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dc_parser_isinstance (dc_parser_t *parser, const dc_parser_vtable_t *vtable);
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typedef struct sample_statistics_t {
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unsigned int divetime;
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double maxdepth;
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} sample_statistics_t;
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#define SAMPLE_STATISTICS_INITIALIZER {0, 0.0}
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void
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sample_statistics_cb (dc_sample_type_t type, dc_sample_value_t value, void *userdata);
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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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