Mercurial > projects > libpws
diff pws-record.c @ 0:d541e748cfd8
Initial revision
author | Guido Berhoerster <guido+libpws@berhoerster.name> |
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date | Tue, 10 Feb 2015 11:29:54 +0100 |
parents | |
children | 956e97003bad |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pws-record.c Tue Feb 10 11:29:54 2015 +0100 @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2015 Guido Berhoerster <guido+libpws@berhoerster.name> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "compat.h" + +#include <stdlib.h> + +#include "pws-internal.h" + +void +pws3_record_destroy(struct pws3_record *record) +{ + size_t i; + + if (record == NULL) { + return; + } + + for (i = 0x01; i <= 0xff; i++) { + pws3_field_destroy(record->fields[i]); + } + pws_free(record, sizeof (record)); +} + +struct pws3_record * +pws3_record_create(void) +{ + struct pws3_field *uuid_field = NULL; + unsigned char uuid[PWS3_UUID_SIZE]; + struct pws3_record *record = NULL; + size_t i; + + /* + * always add an UUID field which is mandatory and needed for inserting + * a record into a database + */ + if (pws_generate_uuid(uuid) != 0) { + goto err; + } + uuid_field = pws3_field_create(0, PWS3_RECORD_FIELD_UUID); + if (uuid_field == NULL) { + goto err; + } + pws3_field_set_uuid(uuid_field, uuid); + + record = pws_alloc(sizeof (struct pws3_record)); + if (record == NULL) { + goto err; + } + + for (i = 0x00; i <= 0xff; i++) { + record->fields[i] = NULL; + } + + pws3_record_set_field(record, uuid_field); + + return (record); +err: + pws3_field_destroy(uuid_field); + pws_free(record, (record != NULL) ? sizeof (struct pws3_record) : 0); + + return (NULL); +} + +void +pws3_record_set_field(struct pws3_record *record, struct pws3_field *field) +{ + uint8_t field_type; + + PWS_ASSERT(!pws3_field_is_header(field)); + PWS_ASSERT((pws3_field_get_data_type(field) != PWS_DATA_TYPE_TEXT) || + (field->value.text != NULL)); + PWS_ASSERT((pws3_field_get_data_type(field) != PWS_DATA_TYPE_BYTES) || + (field->value.bytes != NULL)); + + field_type = pws3_field_get_type(field); + pws3_field_destroy(pws3_record_remove_field(record, field_type)); + record->fields[field_type] = field; +} + +struct pws3_field * +pws3_record_get_field(struct pws3_record *record, uint8_t field_type) +{ + return (record->fields[field_type]); +} + +struct pws3_field * +pws3_record_remove_field(struct pws3_record *record, uint8_t field_type) +{ + struct pws3_field *field; + + field = pws3_record_get_field(record, field_type); + record->fields[field_type] = NULL; + + return (field); +}