#import "STCodeViewController.h"

@interface STCodeViewController ()

@property (nonatomic, strong) UITextView * textView;

@implementation STCodeViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

self.navigationItem.title = @"源码";

self.textView = [[UITextView alloc] initWithFrame:CGRectMake(0, 80, 320, 400)];

self.textView.autoresizingMask = UIViewAutoresizingFlexibleWidth;

self.textView.font = [UIFont systemFontOfSize:14];

self.textView.editable = NO;

[self.view addSubview:self.textView];

NSString * insert = @"void insert(int[] a) {\n\tfor (int i = 1; i < a.length; i ++) {\n\t\tint ai = a[i], aj;\n\t\tint j = i;\n\t\twhile (j > 0 && (aj = a[j - 1]) > ai) {\n\t\t\ta[j] = aj;\n\t\t\tj --;\n\t\t}\n\t\ta[j] = ai;\n\t}\n}\n";

NSString * bubble = @"void bubble(int[] a) {\n\tBOOL exchanged = YES;\n\tfor (int i = 0; i < a.length - 1 && exchanged; i ++) {\n\t\texchanged = NO;\n\t\tfor (int j = 0; j < (a.length - 1 - i); j ++) {\n\t\t\tint aj = a[j];\n\t\t\tint aj1 = a[j + 1];\n\t\t\tif (aj > aj1) {\n\t\t\t\texchanged = YES;\n\t\t\t\ta[j + 1] = aj;\n\t\t\t\ta[j] = aj1;\n\t\t\t}\n\t\t}\n\t}\n}\n";

NSString * select = @"void select(int[] a) {\n\tfor(int i = 0; i < a.length;i ++) {\n\t\tfor(int j = i; j < a.length; j ++) {\n\t\tint ai = a[i];\n\t\tint aj = a[j];\n\t\tif(a[i] > a[j]) {\n\t\t\ta[i] = aj\n\t\t\ta[j] = ai;\n\t\t}\n\t}\n}";

NSString * quick = @"void quick(int[] a, int left, int right){\tif (left < right) {\n\t\tint key = a[left];\n\t\tint low = left;\n\t\tint high = right;\n\t\twhile (low < high) {\n\t\t\twhile (low < high && a[high] >= key) {\n\t\t\t\thigh --;\n\t\t\t}\n\t\t\ta[low] = a[high];\n\t\t\twhile (low < high && a[low] <= key) {\n\t\t\t\tlow ++;\n\t\t\t}\n\t\t\ta[high] = a[low];\n\t\t}\n\t\ta[low] = key;\n\t\tquick(a, left, low - 1);\n\t\tquick(a, low + 1, right);\n\t}\n}\n";

NSString * hanoi = @"void hanoi(int i , char A , char B , char C) {\n\tif(i == 1) {\n\t\tmove(i , A , C);\n\t} else {\t\n\t\thanoi(i - 1 , A , C , B);\n\t\tmove(i , A , C);\n\t\thanoi(i - 1 , B , A , C);\n\t}\n}\n\nvoid move(int i , char x , char y) {\n\tprintf(\"Move disk i from x to y\");\n}";

switch (self.algorithmType) {

case STAlgorithmTypeInsertSort:

self.textView.text = insert;

break;

case STAlgorithmTypeBubbleSort:

self.textView.text = bubble;

break;

case STAlgorithmTypeSelectSort:

self.textView.text = select;

break;

case STAlgorithmTypeQuickSort:

self.textView.text = quick;

break;

case STAlgorithmTypeHanoi:

self.textView.text = hanoi;

break;

default:

break;

}

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}