use ARC, remove retain/release/autorelease

Marshmallows/MMHTTPClient.m

@@ -9,7 +9,6 @@
 #import "MMHTTPClient.h"
 #import "NSString+marshmallows.h"
 
-MMHTTPClient *_client;
 // Encode a string to embed in an URL.
 NSString* MMHTTPURLEncode(NSString *string) {
     return (__bridge NSString *)
@@ -20,6 +19,7 @@ NSString* MMHTTPURLEncode(NSString *string) {
                                             kCFStringEncodingUTF8);
 }
 
+MMHTTPClient *_sharedMMHTTPClient;
 
 NSString *JoinURLComponents(NSString *first, va_list args)
 {
@@ -39,25 +39,25 @@ NSString *JoinURLComponents(NSString *first, va_list args)
 
 + (MMHTTPClient *) sharedClient
 {
-    if (!_client) {
-        _client = [[self alloc] init];
+    if (!_sharedMMHTTPClient) {
+        _sharedMMHTTPClient = [[self alloc] init];
     }
-    return _client;
+    return _sharedMMHTTPClient;
 }
 
 + (id) client
 {
-    return [[[self alloc] init] autorelease];
+    return [[self alloc] init];
 }
 
 + (id) clientWithBaseURL: (NSString *)baseURL
 {
-    return [[[self alloc] initWithBaseURL: baseURL] autorelease];
+    return [[self alloc] initWithBaseURL: baseURL];
 }
 
 + (id) clientWithBaseURL: (NSString *)baseURL timeout: (NSUInteger)timeout
 {
-    return [[[self alloc] initWithBaseURL: baseURL timeout: timeout] autorelease];
+    return [[self alloc] initWithBaseURL: baseURL timeout: timeout];
 }
 
 + (NSString *) pathFor: (NSString *)first, ...
@@ -173,7 +173,11 @@ NSString *JoinURLComponents(NSString *first, va_list args)
 
 - (MMHTTPRequest *) getImage: (NSString *)url then: (MMHTTPImageCallback)callback
 {
-    return [self request: [NSDictionary dictionary] then: (MMHTTPCallback)callback];
+    NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
+                             url,      @"url",
+                             @"image", @"type",
+                             nil];
+    return [self request: options then: (MMHTTPCallback)callback];
 }
 
 - (MMHTTPRequest *) getText: (NSString *)url then: (MMHTTPTextCallback)callback
@@ -203,7 +207,6 @@ NSString *JoinURLComponents(NSString *first, va_list args)
     return [self request: options then: callback];
 }
 
-- (MMHTTPRequest *) post: (NSString *)url fields: (NSDictionary *)fields then: (MMHTTPCallback)callback
 - (NSString *) encodeFields: (NSDictionary *)fields withPrefix: (NSString *)prefix
 {
     NSString *suffix = @"";
@@ -283,10 +286,4 @@ NSString *JoinURLComponents(NSString *first, va_list args)
     return [MMHTTPRequest requestWithOptions: options callback: callback];
 }
 
-- (void) dealloc
-{
-    [_baseURL release];
-    [super dealloc];
-}
-
 @end

Marshmallows/MMHTTPRequest.h

@@ -28,10 +28,10 @@ typedef void (^MMHTTPImageCallback)(NSInteger status, UIImage *image);
 @property (nonatomic, retain) NSMutableDictionary *headers;
 @property (nonatomic, retain) NSData *data;
 @property (nonatomic, retain) NSString *type;
-@property (nonatomic, retain) MMHTTPCallback callback;
+@property (nonatomic, copy) MMHTTPCallback callback;
 @property NSUInteger timeout;
 @property (readonly) NSInteger statusCode;
-@property (readonly) NSDictionary *responseHeaders;
+@property (strong, readonly) NSDictionary *responseHeaders;
 @property (readonly) NSData *responseData;
 @property (readonly) NSString *responseText;
 @property (readonly) UIImage *responseImage;

Marshmallows/MMHTTPRequest.m

@@ -29,7 +29,7 @@
 
 + (id) requestWithOptions: (NSDictionary *)options callback: (MMHTTPCallback)callback
 {
-    return [[[self alloc] initWithOptions: options callback: callback] autorelease];
+    return [[self alloc] initWithOptions: options callback: callback];
 }
 
 - (id) initWithOptions: (NSDictionary *)options callback: (MMHTTPCallback)callback
@@ -52,6 +52,10 @@
 - (void) cancel
 {
     [_connection cancel];
+    if (self.callback) {
+        Block_release(self.callback);
+        self.callback = nil;
+    }
 }
 
 - (NSData *) responseData
@@ -61,9 +65,9 @@
 
 - (NSString *) responseText
 {
-    return [[[NSString alloc] initWithBytes: _responseData.bytes
-                                     length: _responseData.length
-                                   encoding: NSUTF8StringEncoding] autorelease];
+    return [[NSString alloc] initWithBytes: _responseData.bytes
+                                    length: _responseData.length
+                                  encoding: NSUTF8StringEncoding];
 }
 
 - (UIImage *) responseImage
@@ -96,10 +100,11 @@
 
 - (void) connection: (NSURLConnection *)connection didReceiveResponse: (NSURLResponse *)response
 {
+//    NSLog(@"didReceiveResponse: %@",response);
     if ([response respondsToSelector: @selector(statusCode)])
     {
         _statusCode = [(NSHTTPURLResponse *)response statusCode];
-        _responseHeaders = [[(NSHTTPURLResponse *)response allHeaderFields] retain];
+        _responseHeaders = [(NSHTTPURLResponse *)response allHeaderFields];
     }
     else {
         NSLog(@"Not an HTTP response? connection: %@ response: %@", connection, response);
@@ -112,19 +117,23 @@
 
 - (void) connection: (NSURLConnection *)connection didReceiveData: (NSData *)data
 {
+//    NSLog(@"didReceiveData: %@", data);
     [_responseData appendData: data];
 }
 
 - (void) connection: (NSURLConnection *)connection didFailWithError: (NSError *)error
 {
-    [_responseData release];
+    NSLog(@"didFailWithError: %@", error);
     _responseData = nil;
     _statusCode = MMHTTPRequestStatusError;
-    self.callback(self.statusCode, error);
+    if (self.callback) {
+        self.callback(self.statusCode, error);
+    }
 }
 
 - (void) connectionDidFinishLoading: (NSURLConnection *)connection
 {
+//    NSLog(@"didFinishLoading: %d", self.statusCode);
     id data = nil;
     if (self.statusCode == 200) {
         if ([self.type isEqualToString: @"text"]) {
@@ -137,23 +146,10 @@
             data = self.responseData;
         }
     }
-    
-    self.callback(self.statusCode, data);
-}
 
-- (void) dealloc
-{
-    [_connection release];
-    [_request release];
-    [_method release];
-    [_url release];
-    [_headers release];
-    [_data release];
-    [_type release];
-    [_callback release];
-    [_responseHeaders release];
-    [_responseData release];
-    [super dealloc];
+    if (self.callback) {
+        self.callback(self.statusCode, data);
+    }
 }
 
 @end