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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2021 Aidan MacDonald
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "jztool.h"
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
struct jz_paramlist {
int size;
char** keys;
char** values;
};
static int jz_paramlist_extend(jz_paramlist* pl, int count)
{
int nsize = pl->size + count;
/* Reallocate key list */
char** nkeys = realloc(pl->keys, nsize * sizeof(char*));
if(!nkeys)
return JZ_ERR_OUT_OF_MEMORY;
for(int i = pl->size; i < nsize; ++i)
nkeys[i] = NULL;
pl->keys = nkeys;
/* Reallocate value list */
char** nvalues = realloc(pl->values, nsize * sizeof(char*));
if(!nvalues)
return JZ_ERR_OUT_OF_MEMORY;
for(int i = pl->size; i < nsize; ++i)
nvalues[i] = NULL;
pl->values = nvalues;
pl->size = nsize;
return JZ_SUCCESS;
}
jz_paramlist* jz_paramlist_new(void)
{
jz_paramlist* pl = malloc(sizeof(struct jz_paramlist));
if(!pl)
return NULL;
pl->size = 0;
pl->keys = NULL;
pl->values = NULL;
return pl;
}
void jz_paramlist_free(jz_paramlist* pl)
{
for(int i = 0; i < pl->size; ++i) {
free(pl->keys[i]);
free(pl->values[i]);
}
if(pl->size > 0) {
free(pl->keys);
free(pl->values);
}
free(pl);
}
int jz_paramlist_set(jz_paramlist* pl, const char* param, const char* value)
{
int pos = -1;
for(int i = 0; i < pl->size; ++i) {
if(!pl->keys[i] || !strcmp(pl->keys[i], param)) {
pos = i;
break;
}
}
if(pos == -1) {
pos = pl->size;
int rc = jz_paramlist_extend(pl, 1);
if(rc < 0)
return rc;
}
bool need_key = (pl->keys[pos] == NULL);
if(need_key) {
char* newparam = strdup(param);
if(!newparam)
return JZ_ERR_OUT_OF_MEMORY;
pl->keys[pos] = newparam;
}
char* newvalue = strdup(value);
if(!newvalue) {
if(need_key) {
free(pl->keys[pos]);
pl->keys[pos] = NULL;
}
return JZ_ERR_OUT_OF_MEMORY;
}
pl->values[pos] = newvalue;
return JZ_SUCCESS;
}
const char* jz_paramlist_get(jz_paramlist* pl, const char* param)
{
for(int i = 0; i < pl->size; ++i)
if(pl->keys[i] && !strcmp(pl->keys[i], param))
return pl->values[i];
return NULL;
}
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