plistconvert

/* plistconvert: convert plist files.
   Copyright 2015
   Trusted Software Foundation.

   This file is part of openIOS utils.
   See more on openios.net

   This program is totally free software,
   you can do with it whatever you want.
*/

#import <Foundation/Foundation.h>
#include <stdio.h>

#define REPORT_BUGS_TO "root@openios.net"
#define VERSION_STRING "v0.3"

#define BIN 1
#define XML 0

int plistConvert(const char *, int, char *);

void print_version (const char *name)
{
  printf (" %s %s\n", name, VERSION_STRING);
  printf ("Copyright 2015 Trusted Software Foundation\n");
  printf ("licensed: as is.\n");
  exit (0);
}

static void usage (int help, const char *name)
{
  FILE *s;

  s = help ? stdout : stderr;

  fprintf (s, "Usage: %s -options plist_files\n", name);
  fprintf (s, " Convert *.plist files to readable xml format or back to binary.\n");
  fprintf (s, " Saves files with the same name.\n");
//  fprintf (s, " If there are no files tries to read stdin(piping)\n");
  fprintf (s, " The options are:\n\
  -b                              convert to binary format\n\
  -t -x                           convert to text(xml) format\n\
  -h -H --help                    print this help message\n\
  -v -V --version                 print version information\n");


  if (help)
    fprintf (s, "Report bugs to %s\n", REPORT_BUGS_TO);

  exit (help ? 0 : 1);
}

int main(int argc, char *argv[])
{
    //if (argc < 1) usage (0, program_name);

    const char *program_name = argv[0];
    int i = 2;
    int targetFormat;
    const char *status[80];

    if (argc < 2) usage (0, program_name);

    if (argv[1][0] == '-')
    {
        if (strcmp (argv[1], "--help") == 0
             || strcmp (argv[1], "-h") == 0
             || strcmp (argv[1], "-H") == 0)

            usage (1, program_name);

        else if (strcmp (argv[1], "--version") == 0
                     || strcmp (argv[1], "-V") == 0
                     || strcmp (argv[1], "-v") == 0)

                 print_version (program_name);
             else
             {
                 if (strcmp (argv[1], "-b") == 0) targetFormat = BIN;
                 else if (strcmp (argv[1], "-t") == 0
                       || strcmp (argv[1], "-x") == 0) targetFormat = XML;
                      else usage(0, program_name);

                 while(i < argc)
                 {
                     printf("%s: ", argv[i]);

                     if(0 == plistConvert(argv[i], targetFormat, status))
                         printf("Ok\n");
                     else printf("failed with error: %s \n", status);

                     i++;
                 }
                 exit(0);
             }

    }

    usage (0, program_name);
}

plistError(NSError *error, char *status)
{
    char *hint = "";
    char *notFound = "(file not found?)";
    char *notPlist = "(file not *.plist?)";
    char *chmod = "(can't write, not enough rights?)";

    char *cError = [[error domain] UTF8String];
    int code = [error code];

    if(strcmp (cError, "NSCocoaErrorDomain") == 0)
    {
        switch (code)
        {
            case 260:  hint = notFound; break;
            case 3840: hint = notPlist; break;
            case 513:  hint = chmod;    break;
        }
    }

    snprintf(status, 80, "%s: code %d, %s", cError, code, hint);

    return 1;

}

int plistConvert(const char *fileName, int targetFormat, char *status)
{
    NSError *error;
    NSPropertyListFormat format;

    NSString *path = [NSString stringWithCString: fileName
                               encoding: NSASCIIStringEncoding];

    NSData *plistData = [NSData dataWithContentsOfFile:path
                                options:NSDataReadingUncached
                                error:&error];

    if(error != NULL) return plistError(error, status);

    id plist = [NSPropertyListSerialization propertyListWithData:plistData
                    options:NSPropertyListImmutable
                    format:&format
                    error:&error];

    if(error != NULL) return plistError(error, status);

    NSString *xmlData = [NSPropertyListSerialization dataWithPropertyList:plist
                            format:(targetFormat==XML?
                                        NSPropertyListXMLFormat_v1_0:
                                        NSPropertyListBinaryFormat_v1_0)
                            options:0
                            error:&error];
    if(error == NULL)
    {
        [xmlData writeToFile:path
                 options:NSDataWritingAtomic
                 error:&error];

        if(error != NULL) return plistError(error, status);

        return 0;
    }
    else return plistError(error, status);

}