lynda Command Line - Main.m

//
//  main.m
//  Test-Command-Line
//
//  Created by Masen Beliveau on 4/27/14.
//  Copyright (c) 2014 KidCO. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Employee.h"
int main(int argc, const char * argv[])
{

    @autoreleasepool {

        // Creating Custom Class Section
        Player *playerObject = [[Player alloc] init];
        NSLog(@"The score is %i", [playerObject score]);

        Player *secondPlayer = [[Player alloc] initWithInteger:9999];
         NSLog(@"The 2nd score is %i", [secondPlayer score]);


        //Using Collections Section


        //Make a variable that can contain mutliple numbers
        int multipleVariables[5];

        //Set the value of those variables
        multipleVariables[0] = 10;
        multipleVariables[1] = 100;
        multipleVariables[2] = 1000;
        multipleVariables[3] = 10000;
        multipleVariables[4] = 100000;

        //Option 2: Uses less lines of code and is much quicker
        //You don't even need to put [5], you can just delete that and put in { 10, 100, 1000, 10000, 100000 }; and it would still work just the same
        int multipleVariables2[5] = { 10, 100, 1000, 10000, 100000 };

        //To test Option 2
        NSLog(@"The 3rd variable is %i", multipleVariables2[2]);

        //You can also do this with strings, similiar to Python's Lists
        NSString *myStringArray[5] = {@"first", @"second", @"third", @"fourth", @"fifth" };

        //To test the myStringArray
        NSLog(@"The fifth string is %@", myStringArray[4]);

        //To make an array, you do the following. To end it, you just need to make sure nil is at the end
        NSArray *myArray = [[NSArray alloc]initWithObjects:@"one", @"two", @"three", nil];

        //Long way to test NSArray
        NSLog(@"The 2nd entry is %@", [myArray objectAtIndex:2]);

        //Short way to test NSArray
        NSLog(@"The 2nd entry is %@", myArray[2]);

        //You can even add an NSDate to a NSArray
        NSDate *myDate = [[NSDate alloc] init];
        NSArray *myArray2 = [[NSArray alloc]initWithObjects:@"four", @"five", @"six", myDate, nil];

        //Test out myArray
        NSLog(@"The date is %@", [myArray2 objectAtIndex:3]);

        //To just add a date to an Array, simply make it Mutable
        NSMutableArray *myMutableArray = [[NSMutableArray alloc]initWithObjects:@"seven", @"eight", @"nine", nil];
        [myMutableArray addObject:myDate];

        //Print the 3nd spot
        NSLog(@"The 3rd spot is %@", myMutableArray[2]);

        //To remove the 3rd spot (or any, in the future), do the following
        [myMutableArray removeObjectAtIndex:2];

        //Now, print the 3rd spot
        NSLog(@"The new date is %@", myMutableArray[2]);

        //If you want to make an array quicker, more easier to read, but un-mutable, do the following
        NSArray *myShorthandArray = @[ @"yellow", @"orange", @"black" ];
        //You won't even need nil at the end
        NSLog(@"My favorite color is %@", myShorthandArray[0]);

        //How to write a NSDictionary
        NSDictionary *states = [[NSDictionary alloc]initWithObjectsAndKeys:
                                @"Arizona",@"AZ",
                                @"Massachusetts",@"MA",
                                @"California",@"CA",
                                @"New York",@"NY",
                                @"Florida",@"FL",
                                nil];
        //Test it
        NSString *whereILive = @"MA";
        NSLog(@" %@ is for %@", whereILive, [states objectForKey:whereILive]);

        //Shorter way to print it
        NSLog(@" %@ stands for %@", whereILive, states[@"MA"]);

        //How to make a mutable Dictionary
        NSMutableDictionary *myMutableStates = [[NSMutableDictionary alloc]initWithObjectsAndKeys:
                                                @"Arizona",@"AZ",
                                                @"Massachusetts",@"MA",
                                                @"California",@"CA",
                                                @"New York",@"NY",
                                                @"Florida",@"FL",
                                                nil];

        //How to add something to your Mutable Dictionary
        [myMutableStates setObject:@"Nevada" forKey:@"NV"];

        NSLog(@"The Mutable Dictionary added %@", myMutableStates[@"NV"]);

        //The shorter version to make a NSDictionary. NOTE: the key goes before the object, unlike before, where it goes object, then key (REMEMBER THAT!)
        NSDictionary *shorthandDictionary = @{ @"AZ" : @"Arizona", @"MA" : @"Massachusetts" };

        //Run the shorthandDictionary
        NSLog(@"The state I live in is %@", shorthandDictionary[@"MA"]);

        //Enumeration, seeing what files are in a directory
        NSString *soundPath = @"/System/Library/Sounds";
        NSFileManager *fileManager = [[NSFileManager alloc] init];

        //Now, create an array
        NSArray *soundFiles = [fileManager subpathsAtPath:soundPath];

        //Last part, the for loop
        for (NSString *file in soundFiles) {
            NSLog(@"The file name is %@", file);


        //Using Collections Section

        //Using the NSFileManager again
        NSFileManager *fileManager = [[NSFileManager alloc] init];
        NSString *pdfPath = @"/Users/Masen/Downloads/P.E.R.T_Study_Guide.pdf";

            if ([fileManager fileExistsAtPath:pdfPath]) {
                NSLog(@"The PDF Exists");
            } else {
                NSLog(@"The PDF doesn't Exist");
                return 1;
            }

        //How to get an NSDictionary of attributes
        NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:pdfPath error:nil];

        for (NSString *key in fileAttributes) {
        NSLog(@"The attribute key is: %@  and the value is %@ ", key, fileAttributes[key]);
            }

        //Simple Directory Funtion Call
        NSString *homeDirectory = NSHomeDirectory();

        //NSString for Downloads
        NSString *desktopPath = [homeDirectory stringByAppendingPathComponent:@"Downloads"];
        NSLog(@"The path is: %@", desktopPath);

        NSString *pertGuidePath = [desktopPath stringByAppendingPathComponent:@"P.E.R.T_Study_Guide.pdf"];
        NSLog(@"The PERT Guide Path is: %@", pertGuidePath);


        NSLog(@"Calling NSHomeDirectory() result in: %@", homeDirectory);

        //Another way to make an NSFileManager
        NSFileManager *simpleFileManager = [NSFileManager defaultManager];

        //Now make a NSURL, NOTE: Use the QUICK HELP to see what the different entries are for and what different things you can put
        NSURL *docsDirectory = [simpleFileManager URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil
                                                           create:NO error:nil];

        //The main thing that determines what file is gotten from above is what the URLForDirectory is
        NSLog(@"The simpleFileManager method returned: %@", docsDirectory);

        //Practice makes PERFECT!
            NSURL *documentsDir = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil
                                    create:NO error:nil];
        //Now, create a full path
            NSURL *full = [documentsDir URLByAppendingPathComponent:@"sample.txt"];

        //Load a string
            NSString *content = [[NSString alloc] initWithContentsOfURL:full encoding:NSUTF8StringEncoding error:nil];

        //Print it
            NSLog(@"The string is: %@", content);

        //How to make a Mutatable String
            NSURL *anotherDocumentsDir = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil];
        //Creat full path again
            NSURL *anotherFull = [anotherDocumentsDir URLByAppendingPathComponent:@"anothersample.txt"];

        //Load it, yet again, but with Mutable String
            NSMutableString *anotherContent = [[NSMutableString alloc] initWithContentsOfURL:anotherFull encoding:NSUTF8StringEncoding error:nil];

        //New string
            [anotherContent appendString:@"CHANGED!"];

        //Destination URL
            NSURL *saveLocation = [anotherDocumentsDir URLByAppendingPathComponent:@"saved.txt"];
            [anotherContent writeToURL:saveLocation atomically:YES encoding:NSUTF8StringEncoding error:nil];

        //How to Archive/Encode things into a file NOTE: Some code is needed in Player.h & Player.m
        //Create the Employee Object
            Employee *bob = [[Employee alloc] init];
            [bob setFirstName:@"Bob"];
            [bob setLastName:@"Laso"];
            [bob setEmployeeNumber:12345];
            [bob setHireDate:[NSDate date]];

        //Employee #2
            Employee *alice = [[Employee alloc] init];
            alice.FirstName = @"Alice";
            alice.lastName = @"Naltz";
            alice.employeeNumber = 6789;
            alice.hireDate = [NSDate dateWithString:@"2010-03-24 09:00:00 -800"];

        //Print it out to test it
            NSLog(@"First Employee: \n%@", [bob description]);
            NSLog(@"Second Employee: \n%@", [alice description]);

        }

    }
    return 0;
}