epr_record.h File Reference

#include <stdio.h>

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Classes
struct	EPR_SRecordInfo

Functions
EPR_SRecordInfo *	epr_get_record_info (EPR_SDatasetId *dataset_id)
EPR_SRecordInfo *	epr_read_record_info (EPR_SProductId *product_id, EPR_SDatasetId *dataset_id)
void	epr_read_sub_record_info (EPR_SProductId *product_id, FILE *db_file_istream, const char *parent_name, EPR_SPtrArray *field_infos)
EPR_SRecordInfo *	epr_create_record_info (const char *dataset_name, EPR_SPtrArray *field_infos)
EPR_SRecord *	epr_create_record_from_info (EPR_SRecordInfo *record_info)
char *	epr_get_record_info_path (EPR_SProductId *product_id, const char *dataset_name)
void	epr_free_record_info (EPR_SRecordInfo *record_info)

Function Documentation

epr_create_record_from_info()

EPR_SRecord* epr_create_record_from_info

(

EPR_SRecordInfo *

record_info

)

Reads the record information with the given file path and returns the poiter at it.

Parameters

product_id	the the product file identifier
dataset_name	the name of the dataset
db_file_istream	the DB-table file identifier

Returns

the the pointer at the record information. Creates a new record instance from the dataset specified by the given dataset name.

Parameters

the	pointer at the record information. must not be NULL

Returns

the new record instance or NULL if an error occured.

Definition at line 315 of file epr_record.c.

epr_create_record_info()

EPR_SRecordInfo* epr_create_record_info	(	const char *	dataset_name,
		EPR_SPtrArray *	field_infos
	)

Creates a new record_info for the record by the given dataset name.

Parameters

dataset_name	the name of the dataset, to which the record belongs to, must not be NULL
field_infos	the pointer at the strucrure with information of all fields wich belong to record, must not be NULL

Returns

the new record instance or NULL if an error occured.

Definition at line 61 of file epr_record.c.

epr_free_record_info()

void epr_free_record_info

(

EPR_SRecordInfo *

record_info

)

Frees the memory allocated by the given record_info.

After calling this function the give record_info pointer gets invalid and should not be used anymore.

Parameters

record_info

the record to be released, if NULL the function immediately returns

Definition at line 109 of file epr_record.c.

epr_get_record_info()

EPR_SRecordInfo* epr_get_record_info

(

EPR_SDatasetId *

dataset_id

)

Returns information about the structure of the records contained in a dataset specified by the given dataset_id.

Parameters

dataset_id

the the dataset identifier

Returns

the the pointer for the record structure information.

Definition at line 151 of file epr_record.c.

epr_get_record_info_path()

char* epr_get_record_info_path	(	EPR_SProductId *	product_id,
		const char *	dataset_name
	)

epr_read_record_info()

EPR_SRecordInfo* epr_read_record_info	(	EPR_SProductId *	product_id,
		EPR_SDatasetId *	dataset_id
	)

Definition at line 190 of file epr_record.c.

epr_read_sub_record_info()

void epr_read_sub_record_info	(	EPR_SProductId *	product_id,
		FILE *	db_file_istream,
		const char *	parent_name,
		EPR_SPtrArray *	field_infos
	)