source: murachi/esteidfirefoxplugin/common/esteid_map.c @ c4dd8d1

/*
 * Estonian ID card plugin for web browsers
 *
 * Copyright (C) 2010-2011 Codeborne <info@codeborne.com>
 *
 * This is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <stdlib.h>
#include <string.h>
#include "esteid_map.h"

EstEID_Map EstEID_mapPut(EstEID_Map map, const char *key, const char *value) {
        return EstEID_mapPutNoAlloc(map, strdup(key), strdup(value));
}

EstEID_Map EstEID_mapPutNoAlloc(EstEID_Map map, const char *key, const char *value) {
        if (!map) {
                map = (EstEID_Map)malloc(sizeof(struct EstEID_MapEntry));
                map->key = key;
                map->value = value;
                map->next = NULL;
        }
        else if (!strcmp(map->key, key)) {
                free((void *)map->key);
                free((void *)map->value);
                map->key = key;
                map->value = value;
        }
        else {
                map->next = EstEID_mapPut(map->next, key, value);
        }
        return map;
}

const char *EstEID_mapGet(EstEID_Map map, const char *key) {
        if (!map) {
                return NULL;
        }
        if (!strcmp(map->key, key)) {
                return map->value;
        }
        return EstEID_mapGet(map->next, key);
}

unsigned int EstEID_mapSize(EstEID_Map map) {
        if (!map) return 0;
        return 1 + EstEID_mapSize(map->next);
}

void EstEID_mapFree(EstEID_Map map) {
        if (!map) return;
        if (map->next) EstEID_mapFree(map->next);
        free((void *)map->value);
        free((void *)map->key);
        free(map);
}

void EstEID_mapPrint(FILE *stream, EstEID_Map map) {
        if (!map) return;
        fprintf(stream, "\t%s = %s\n", map->key, map->value);
        EstEID_mapPrint(stream, map->next);
}

EstEID_Map EstEID_mapClone(EstEID_Map map) {
        EstEID_Map result;
        if (!map) return NULL;
        result = EstEID_mapPut(NULL, map->key, map->value);
        result->next = EstEID_mapClone(map->next);
        return result;
}