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/**********************************************************
* MODULE: mysql
* AUTHOR(S): Radim Blazek (radim.blazek@gmail.com)
* PURPOSE: MySQL database driver
* COPYRIGHT: (C) 2001,2008 by the GRASS Development Team
* This program is free software under the
* GNU General Public License (>=v2).
* Read the file COPYING that comes with GRASS
* for details.
**********************************************************/
#include <stdlib.h>
#include <string.h>
#include <grass/dbmi.h>
#include <grass/gis.h>
#include <grass/glocale.h>
#include "globals.h"
#include "proto.h"
int replace_variables(char *in, char **datadir, char **database)
{
*datadir = NULL;
*database = NULL;
/* parse/replace variables in input string */
char tmp[2000];
char **tokens;
int no_tokens, n;
if (!strchr(in, '/')) { /* no path */
*datadir = G_store("./");
*database = G_store(in);
}
else {
tokens = G_tokenize(in, "/");
no_tokens = G_number_of_tokens(tokens);
G_debug(3, "no_tokens = %d", no_tokens);
tmp[0] = '\0';
for (n = 0; n < no_tokens - 1; n++) {
G_chop(tokens[n]);
if (n > 0)
strcat(tmp, "/");
G_debug(3, "tokens[%d] = %s", n, tokens[n]);
if (tokens[n][0] == '$') {
G_strchg(tokens[n], '$', ' ');
G_chop(tokens[n]);
strcat(tmp, G_getenv_nofatal(tokens[n]));
G_debug(3, " -> %s", G_getenv_nofatal(tokens[n]));
}
else {
strcat(tmp, tokens[n]);
}
}
*datadir = G_store(tmp);
*database = G_store(tokens[n]);
G_free_tokens(tokens);
}
G_debug(2, "datadir = '%s'", *datadir);
G_debug(2, "database = '%s'", *database);
return 1;
}
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