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/* cassbeam - a Cassegrain antenna simulator
Copyright (C) August 18, 2003 Walter Brisken
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include "keyvalue.h"
struct KeyValue *newKeyValue()
{
struct KeyValue *p;
p = g_new(struct KeyValue, 1);
p->nparms = 0;
return p;
}
void deleteKeyValue(struct KeyValue *p)
{
int i;
if(!p) return;
for(i = 0; i < p->nparms; i++)
{
g_free(p->key[i]);
g_free(p->value[i]);
}
g_free(p);
}
void KeyValueaddparm(struct KeyValue *p, const char *key, const char *value)
{
p->key[p->nparms] = g_strdup(key);
p->value[p->nparms] = g_strdup(value);
p->nparms++;
}
void KeyValueupdateparm(struct KeyValue *p, const char *key, const char *value)
{
int i;
i = KeyValuekeyindex(p, key);
if(i >= 0)
{
g_free(p->value[i]);
p->value[i] = g_strdup(value);
}
else
{
p->key[p->nparms] = g_strdup(key);
p->value[p->nparms] = g_strdup(value);
p->nparms++;
}
}
void KeyValueupdateparmdouble(struct KeyValue *p, const char *key, double value)
{
int i;
char v[100];
sprintf(v, "%f", value);
i = KeyValuekeyindex(p, key);
if(i >= 0)
{
g_free(p->value[i]);
p->value[i] = g_strdup(v);
}
else
{
p->key[p->nparms] = g_strdup(key);
p->value[p->nparms] = g_strdup(v);
p->nparms++;
}
}
struct KeyValue *loadKeyValue(const char *filename)
{
struct KeyValue *p;
FILE *in;
int i;
char str[1000], K[200], V[200];
if(strcmp(filename, "-") == 0) in = stdin;
else in = fopen(filename, "r");
if(!in)
{
fprintf(stderr, "loadKeyValue: no file: %s\n", filename);
return 0;
}
p = newKeyValue();
while(1)
{
fgets(str, 999, in);
if(feof(in)) break;
for(i = 0; str[i] != 0; i++)
{
if(str[i] == '#') str[i] = 0;
else if(str[i] == '=') str[i] = ' ';
}
if(str[0] == 0) continue;
if(sscanf(str, "%s %s\n", K, V) != 2) continue;
KeyValueaddparm(p, K, V);
}
if(strcmp(filename, "-") != 0) fclose(in);
return p;
}
int saveKeyValue(const struct KeyValue *kv, const char *filename)
{
int i;
FILE *out;
out = fopen(filename, "w");
if(!out) return 0;
for(i = 0; i < kv->nparms; i++)
fprintf(out, "%s = %s\n", kv->key[i], kv->value[i]);
fclose(out);
return 1;
}
/* return -1 if not in the list of keys */
int KeyValuekeyindex(const struct KeyValue *p, const char *key)
{
int i;
for(i = 0; i < p->nparms; i++)
if(strcmp(p->key[i], key) == 0) return i;
return -1;
}
int getKeyValueint(const struct KeyValue *p, const char *key)
{
int i = KeyValuekeyindex(p, key);
if(i < 0) return KV_INTERR;
return atoi(p->value[i]);
}
double getKeyValuedouble(const struct KeyValue *p, const char *key)
{
int i = KeyValuekeyindex(p, key);
if(i < 0) return KV_FLOATERR;
return atof(p->value[i]);
}
Vector getKeyValueVector(const struct KeyValue *p, const char *key)
{
int i = KeyValuekeyindex(p, key);
if(i < 0) return 0;
return newVectorfromstring(p->value[i]);
}
const char *getKeyValuestring(const struct KeyValue *p, const char *key)
{
int i = KeyValuekeyindex(p, key);
if(i < 0) return 0;
return p->value[i];
}
void printKeyValue(const struct KeyValue *p)
{
int i;
for(i = 0; i < p->nparms; i++)
printf("KV: %s = %s\n", p->key[i], p->value[i]);
}
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