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lcas_db_read.c File Reference

the LCAS database reader. More...

#include <stdlib.h>
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include "lcas_log.h"
#include "_lcas_db_read.h"

Include dependency graph for lcas_db_read.c:

Go to the source code of this file.

Defines
#define	MAXDBENTRIES   250
#define	MAXPAIRS   2
#define	WHITESPACE_CHARS   " \t\n"
#define	QUOTING_CHARS   "\""
#define	ESCAPING_CHARS   "\\"
#define	COMMENT_CHARS   "#"
#define	PAIR_SEP_CHARS   ","
#define	VARVAL_SEP_CHARS   "="
#define	PAIR_TERMINATOR_CHARS   PAIR_SEP_CHARS WHITESPACE_CHARS
#define	VARVAL_TERMINATOR_CHARS   VARVAL_SEP_CHARS WHITESPACE_CHARS
#define	NUL   '\0'
Functions
int	lcas_db_read_entries (FILE *)
	Read db entries from stream and fill a lsit of db entries. More...
int	lcas_db_parse_line (char *, lcas_db_entry_t **)
	Parses database line and fills database structure. More...
int	lcas_db_parse_pair (char *, char **, char **)
	Parses a database variable-value pair and returns the variable name and its value. More...
int	lcas_db_parse_string (char **)
	Takes a string and removes prepending and trailing spaces and quotes (unless escaped). More...
Variables
lcas_db_entry_t*	lcas_db_list = NULL

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Detailed Description

the LCAS database reader.

Author:

Martijn Steenbakkers for the EU DataGrid.

Definition in file lcas_db_read.c.

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Define Documentation

#define COMMENT_CHARS   "#"

For internal use only. Definition at line 37 of file lcas_db_read.c.

#define ESCAPING_CHARS   "\\"

For internal use only. Definition at line 36 of file lcas_db_read.c.

#define MAXDBENTRIES   250

maximum number of LCAS database entries For internal use only. Definition at line 30 of file lcas_db_read.c.

#define MAXPAIRS   2

maximum number of variable-value pairs that will be parsed per line For internal use only. Definition at line 31 of file lcas_db_read.c.

#define NUL   '\0'

For internal use only. Definition at line 60 of file lcas_db_read.c.

#define PAIR_SEP_CHARS   ","

Characters separating variable-value pairs in the lcas database file For internal use only. Definition at line 40 of file lcas_db_read.c.

#define PAIR_TERMINATOR_CHARS   PAIR_SEP_CHARS WHITESPACE_CHARS

Characters that terminate pairs in the lcas database file. This is a combination of whitespace and separators. For internal use only. Definition at line 52 of file lcas_db_read.c.

#define QUOTING_CHARS   "\""

For internal use only. Definition at line 35 of file lcas_db_read.c.

#define VARVAL_SEP_CHARS   "="

Characters separating variables from values For internal use only. Definition at line 42 of file lcas_db_read.c.

#define VARVAL_TERMINATOR_CHARS   VARVAL_SEP_CHARS WHITESPACE_CHARS

Characters that terminate variables and values in the lcas database file. This is a combination of whitespace and separators. For internal use only. Definition at line 57 of file lcas_db_read.c.

#define WHITESPACE_CHARS   " \t\n"

For internal use only. Definition at line 34 of file lcas_db_read.c.

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Function Documentation

int lcas_db_parse_line ( char * line, lcas_db_entry_t ** entry ) [static]

Parses database line and fills database structure. Parameters: line   database line entry   pointer to a pointer to a database structure (can/should be freed afterwards) Return values: 1   succes. 0   failure. For internal use only. Definition at line 241 of file lcas_db_read.c. Referenced by lcas_db_read_entries().

int lcas_db_parse_pair ( char * pair, char ** pvar, char ** pval ) [static]

Parses a database variable-value pair and returns the variable name and its value. Parameters: pair   string containing the pair pvar   pointer to the variable string pval   pointer to the value string Return values: 1   succes. 0   failure. For internal use only. Definition at line 374 of file lcas_db_read.c. Referenced by lcas_db_parse_line().

int lcas_db_parse_string ( char ** pstring ) [static]

Takes a string and removes prepending and trailing spaces and quotes (unless escaped). Parameters: pstring   pointer to a pointer to a char Return values: 1   succes. 0   failure. For internal use only. Definition at line 471 of file lcas_db_read.c. Referenced by lcas_db_parse_pair().

int lcas_db_read_entries ( FILE * dbstream ) [static]

Read db entries from stream and fill a lsit of db entries. Parameters: dbstream   database stream Returns: the number of entries found (failure --> negative number) For internal use only. Definition at line 123 of file lcas_db_read.c. Referenced by lcas_db_read().

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Variable Documentation

lcas_db_entry_t * lcas_db_list = NULL [static]

list of database entries Definition at line 74 of file lcas_db_read.c.

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