/*
** Copyright (c) 2001 by Ian P. Cardenas, all rights reserved.
**
** This software is provided AS-IS.  The author gives no warranty,
** real or assumed, and takes no responsibility whatsoever for any 
** use or misuse of this software, or any damage created by its use
** or misuse.
** 
** This software may be freely copied and distributed.
*/

/*
** A simple command line application to read a key from a plist.
** Example: plist read -Key pinning -Path com.apple.dock.plist
**
** questions and comments to ian.cardenas@ultraviolent.com
*/

/* renamed to plist.m to compile:

cc -Wall -framework Foundation  plist.m   -o plist

*/


#import <Foundation/Foundation.h>

#define ERR_INIT        1
#define ERR_MISSING_KEY 2

int main (int argc, const char * argv[]) 
{
    NSAutoreleasePool * pool;
    NSString *plistKey, *plistPath;
    NSDictionary *plist;
    id plistKeyValue;
    int returnValue;

    returnValue = 0;
        
    pool = [NSAutoreleasePool new];

    if (argc == 0)
    {
      printf("usage: plist read -Key keyname -Path path/to/file\n");
      exit(ERR_INIT);
    }

    plistKey = [[NSUserDefaults standardUserDefaults] stringForKey:@"Key"];
    NSCAssert(plistKey, @"please specify a key to read with -Key keyname");
    
    plistPath = [[NSUserDefaults standardUserDefaults] stringForKey:@"Path"];
    NSCAssert(plistPath, @"please specify the path to a plist with -Path path/to/file");
    
    plist = [NSDictionary dictionaryWithContentsOfFile:plistPath];
    NSCAssert1(plist, @"Unable to read file at path '%@'", plistPath);
    
    plistKeyValue = [plist valueForKeyPath:plistKey];
    if (plistKeyValue == nil)
    {
      NSLog(@"key '%@' not found", plistKey);
      returnValue = ERR_MISSING_KEY;
    }
    else
    {
      printf("%s\n", [[plistKeyValue description] UTF8String]);
    }

    [pool release];
    return returnValue;
}