Mango is a DSL which syntax is very similar to Objective-C，Mango is also an iOS App hotfix SDK. You can use Mango method replace any Objective-C method.
import "AppDelegate.h"
#import "mango.h"
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
NSString *path = [[NSBundle mainBundle] pathForResource:@"demo" ofType:@"mg"];
NSURL *scriptUrl = [NSURL URLWithString:[NSString stringWithFormat:@"file://%@",path]];
MMANontext *context = [[MMANontext alloc] init];
[context evalMangoScriptWithURL:scriptUrl];
return YES;
}
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
[self.view addSubview:[self genView]];
}
- (UIView *)genView{
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(50, 100, 150, 200)];
return view;
}
@end
class ViewController:UIViewController{
- (UIView *)genView{
UIView *view = UIView.alloc().initWithFrame:(CGRectMake(50, 100, 150, 200));
view.backgroundColor = UIColor.redColor();
return view;
}
}
#import "mango.h"exec Mango Script by [context evalMangoScriptWithSourceString:@""];
MMANontext *context = [[MMANontext alloc] init];
// exec mango file from network
[NSURLConnection sendAsynchronousRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://xxx/demo.mg"]] queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
NSString *script = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
[context evalMangoScriptWithSourceString:script];
}];
// exec local mango file
NSString *sourcePath = [[NSBundle mainBundle] pathForResource:@"demo" ofType:@"js"];
NSString *script = [NSString stringWithContentsOfFile:sourcePath encoding:NSUTF8StringEncoding error:nil];
[context evalMangoScriptWithSourceString:script];class ViewController:UIViewController {
- (void)sequentialStatementExample{
//变量定义
NSString *text = @"";
int a = 3.0;
double b = 2.0;
text += @"a = " + a + @"\n";
text += @"b = " + b + @"\n";
//加法运算
double c = a + b;
text += @"a + b = " + c + "\n";
//减法运算
double d = a - b;
text += @"a - b = " + d + "\n";
//乘法运算
double e = a * b;
text += @" a * b = " + e + "\n";
//除法运算
double f = a / b;
text += @"f = " + f + "\n";
//取模运算，只能操作整型变量
int g = a % 2;
text += @"a % 2 = " + g + "\n";
//+=运算
a += b;
text += @"a += b = " + a + @"\n";
//-=运算
a -= b;
text += @"a -= b = " + a + @"\n";
//*=运算
a *= b;
text += @"a *= b = " + a + @"\n";
// /=运算
a /= b;
text += @"a /= b = " + a + @"\n";
//%=运算
a %= 2;
text += @"a %= 2 = " + a + @"\n";
//三目运算
double h = a > b ? a : b;
text += @"a > b ? a : b = " + h + "\n";
//自增运算 不支持 ++a
a++;
text += @"a++ = " + a + "\n";
//自减运算 不支持 --a
a--;
text += @"a-- = " + a + "\n";
//数组操作，Mango对于泛型尚未支持
NSArray *arr = @[@"zhao", @"qian", @"sun", @"li"];
NSString *e2 = arr[2];
text += @"e2 = " + e2 + @"\n";
NSMutableArray *arrM = @[@"zhao", @"qian", @"sun", @"li"].mutableCopy();
arrM[2] = @"sun2";
e2 = arrM[2];
text += @"e2 = " + e2 + @"\n";
//字典操作
NSDictionary *dic = @{@"zhang":@"san",@"li":@"si",@"wang":@"wu",@"zhao":@"liu"};
NSString *liValue = dic[@"li"];
text += @"liValue = " + liValue + @"\n";
NSMutableDictionary *dicM = @{@"zhang":@"san",@"li":@"si",@"wang":@"wu",@"zhao":@"liu"}.mutableCopy();
dicM[@"li"] = @"si2";
liValue = dicM[@"li"];
text += @"liValue = " + liValue + @"\n";
//结构体变量定义时要在前面加struct关键字
struct CGRect rect = {origin:{x:50,y:100},size:{width:150,height:200}}; //等效于 CGRectMake(50, 100, 150, 200)
text += @"rect = x:" + rect.origin.x + @", y:" + rect.origin.y + @", width" + rect.size.width + @", " + rect.size.height;
self.resultView.text = text;
}
- (void)ifStatementExample{
int a = 2;
int b = 2;
NSString *text;
if(a > b){
text = @"执行结果: a > b";
}else if (a == b){
text = @"执行结果: a == b";
}else{
text = @"执行结果: a < b";
}
self.resultView.text = text;
}
- (void)switchStatementExample{
int a = 2;
NSString *text;
switch(a){
case 1:{
text = @"match 1";
break;
}
case 2:{} //case 后面的一对花括号不可以省略
case 3:{
text = @"match 2 or 3";
break;
}
case 4:{
text = @"match 4";
break;
}
default:{
text = @"match default";
}
}
self.resultView.text = text;
}
- (void)forStatementExample{
NSString *text = @"";
for(int i = 0; i < 20; i++){
text = text + i + @", ";
if(i == 10){ //if后面即使是单行语句，花括号也不可以省略
break;
}
}
self.resultView.text = text;
}
- (void)forEachStatementExample{
NSArray *arr = @[@"a", @"b", @"c", @"d", @"e", @"f", @"g", @"g", @"i", @"j",@"k"];
NSString *text = @"";
for(id element in arr){
text = text + element + @", ";
if(element.isEqualToString:(@"i")){
break;
}
}
self.resultView.text = text;
}
- (void)whileStatementExample{
int a;
while(a < 10){
if(a == 5){
break;
}
a++;
}
self.resultView.text = @""+a;
}
- (void)doWhileStatementExample{
int a = 0;
do{
a++;
}while(NO);
self.resultView.text = @""+a;
}
- (void)blockStatementExample{
Block catStringBlock = ^NSString *(NSString *str1, NSString *str2){
NSString *result = str1.stringByAppendingString:(str2);
return result;
};
NSString *result = catStringBlock(@"hello ", @"world!");
self.resultView.text = result;
}
- (void)paramPassingExampleWithBOOLArg:(BOOL)BOOLArg intArg:(int) intArg uintArg:(uint)uintArg structArg:(struct CGRect)structArg blockArg:(Block)blockArg objArg:(id)objArg {
NSString *text = @"";
text += @"BOOLArg:" + BOOLArg + @",\n";
text += @"intArg:" + intArg + @",\n";
text += @"uintArg:" + uintArg + @",\n";
text += @"structArg:" + structArg + @",\n";
text += @"Block执行结果:" + blockArg(@"hello", @"mango") + @"\n";
text += @"objArg:" + objArg;
self.resultView.text = text;
}
- (Block)returnBlockExample{
NSString *prefix = @"mango: ";
Block catStringBlock = ^NSString *(NSString *str1, NSString *str2){
NSString *result = str1.stringByAppendingString:(str2);
return prefix + result;
};
return catStringBlock;
}
- (void)createAndOpenNewViewControllerExample{
SubRotateAnimationExampleController *vc = SubRotateAnimationExampleController.alloc().init();
self.navigationController.pushViewController:animated:(vc,YES);
}
}
class SubRotateAnimationExampleController:UIViewController {
@property (strong, nonatomic) UIView *rotateView;
- (void)viewDidLoad {
super.viewDidLoad();
self.title = @"Magno 创建自定义ViewController";
self.view.backgroundColor = UIColor.whiteColor();
double width = 100;
double height = 100;
double x = self.view.frame.size.width/2 - width/2;
double y = self.view.frame.size.height/2 - height/2;
UIView *view = UIView.alloc().initWithFrame:(CGRectMake(x, y, width, height));
self.view.addSubview:(view);
view.backgroundColor = UIColor.redColor();
self.rotateView = view;
Block block= ^(NSTimer *timer) {
UIView.animateWithDuration:animations:(0.25,^(){
self.rotateView.transform = CGAffineTransformRotate(self.rotateView.transform, M_PI);
});
};
NSTimer *timer = NSTimer.timerWithTimeInterval:repeats:block:(0.25, YES, block);
NSRunLoop.currentRunLoop().addTimer:forMode:(timer,NSRunLoopCommonModes);
}
}
Mango support type as fllow:
equivalent to Objective-C `void`.
equivalent to Objective-C `BOOL`.
equivalent to Objective-C `unsigned char`、`unsigned short`、`unsigned int`、`unsigned long`、`unsigned long long`、`NSUInteger`.
equivalent to Objective-C `char`、`short`、`int`、`long`、`long long`、`NSInteger`.
equivalent to Objective-C `double`、`float`、`CGFloat`.
equivalent to Objective-C `id`.
NSString *str = @"";
Block blokc = ^id(id arg){};
Class clazz = NSString.class();
struct CGRect rect;// must add struct keyword before structure variables defined.
Pointer ptr; // C pointer.