test/plist_cmp.c

/*
 * backup_test.c
 * source libplist regression test
 *
 * Copyright (c) 2009 Jonathan Beck All Rights Reserved.
 *
 * This library 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 library 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 "plist/plist.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>

#include <node.h>

#ifdef _MSC_VER
#pragma warning(disable:4996)
#endif

static plist_t plist_get_first_child(plist_t node)
{
    return (plist_t) node_first_child((node_t*) node);
}

static plist_t plist_get_next_sibling(plist_t node)
{
    return (plist_t) node_next_sibling((node_t*) node);
}

static char compare_plist(plist_t node_l, plist_t node_r)
{
    plist_t cur_l = NULL;
    plist_t cur_r = NULL;
    int res = 1;

    cur_l = plist_get_first_child(node_l);
    cur_r = plist_get_first_child(node_r);

    if ( (!cur_l && cur_r) || (cur_l && !cur_r))
        return 0;

    if ( !cur_l && !cur_r )
        return plist_compare_node_value( node_l, node_r );

    while (cur_l && cur_r && res)
    {

        if (!(res = compare_plist(cur_l, cur_r)))
            return res;

        cur_l = plist_get_next_sibling(cur_l);
        cur_r = plist_get_next_sibling(cur_r);
        if ( (!cur_l && cur_r) || (cur_l && !cur_r))
            return 0;
    }

    return res;
}

int main(int argc, char *argv[])
{
    FILE *iplist1 = NULL;
    FILE *iplist2 = NULL;
    plist_t root_node1 = NULL;
    plist_t root_node2 = NULL;
    char *plist_1 = NULL;
    char *plist_2 = NULL;
    int size_in1 = 0;
    int size_in2 = 0;
    char *file_in1 = NULL;
    char *file_in2 = NULL;
    int res = 0;

    struct stat *filestats1 = (struct stat *) malloc(sizeof(struct stat));
    struct stat *filestats2 = (struct stat *) malloc(sizeof(struct stat));

    if (argc!= 3)
    {
        printf("Wrong input\n");
        return 1;
    }

    file_in1 = argv[1];
    file_in2 = argv[2];

    //read input file
    iplist1 = fopen(file_in1, "rb");
    iplist2 = fopen(file_in2, "rb");

    if (!iplist1 || !iplist2)
    {
        printf("File does not exists\n");
        return 2;
    }

    stat(file_in1, filestats1);
    stat(file_in2, filestats2);

    size_in1 = filestats1->st_size;
    size_in2 = filestats2->st_size;

    plist_1 = (char *) malloc(sizeof(char) * (size_in1 + 1));
    plist_2 = (char *) malloc(sizeof(char) * (size_in2 + 1));

    fread(plist_1, sizeof(char), size_in1, iplist1);
    fread(plist_2, sizeof(char), size_in2, iplist2);

    fclose(iplist1);
    fclose(iplist2);

    plist_1[size_in1] = '\0';
    plist_2[size_in2] = '\0';

    plist_from_memory(plist_1, size_in1, &root_node1);
    plist_from_memory(plist_2, size_in2, &root_node2);

    if (!root_node1 || !root_node2)
    {
        printf("PList parsing failed\n");
        return 3;
    }

    printf("PList parsing succeeded\n");
    res = compare_plist(root_node1, root_node2);

    plist_free(root_node1);
    plist_free(root_node2);

    free(plist_1);
    free(plist_2);
    free(filestats1);
    free(filestats2);

    return !res;
}