ARC-ify

Author: mattjgalloway

Classes/HppleAppDelegate.h

@@ -13,7 +13,7 @@
   UIWindow *window;
 }
 
-@property (nonatomic, retain) IBOutlet UIWindow *window;
+@property (nonatomic, strong) IBOutlet UIWindow *window;
 
 @end
 

Classes/HppleAppDelegate.m

@@ -23,11 +23,6 @@ - (void)applicationDidFinishLaunching:(UIApplication *)application
 }
 
 
-- (void)dealloc
-{
-  [window release];
-  [super dealloc];
-}
 
 
 @end

Hpple.xcodeproj/project.pbxproj

@@ -316,6 +316,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@@ -348,6 +349,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION = YES;
 				COPY_PHASE_STRIP = YES;

TFHpple.h

@@ -49,6 +49,6 @@
 - (NSArray *) searchWithXPathQuery:(NSString *)xPathOrCSS;
 - (TFHppleElement *) peekAtSearchWithXPathQuery:(NSString *)xPathOrCSS;
 
-@property (retain) NSData * data;
+@property (nonatomic, strong, readonly) NSData * data;
 
 @end

TFHpple.m

@@ -34,19 +34,13 @@ @implementation TFHpple
 
 @synthesize data;
 
-- (void) dealloc
-{
-  [data release];
-  [super dealloc];
-}
 
 - (id) initWithData:(NSData *)theData isXML:(BOOL)isDataXML
 {
   if (!(self = [super init])) {
     return nil;
   }
 
-  [theData retain];
   data = theData;
   isXML = isDataXML;
 
@@ -64,7 +58,7 @@ - (id) initWithHTMLData:(NSData *)theData
 }
 
 + (TFHpple *) hppleWithData:(NSData *)theData isXML:(BOOL)isDataXML {
-  return [[[[self class] alloc] initWithData:theData isXML:isDataXML] autorelease];
+  return [[[self class] alloc] initWithData:theData isXML:isDataXML];
 }
 
 + (TFHpple *) hppleWithHTMLData:(NSData *)theData {

TFHppleElement.h

@@ -34,32 +34,32 @@
 @private
 
   NSDictionary * node;
-  TFHppleElement *parent;
+  __unsafe_unretained TFHppleElement *parent;
 }
 
 - (id) initWithNode:(NSDictionary *) theNode;
 
 + (TFHppleElement *) hppleElementWithNode:(NSDictionary *) theNode;
 
 // Returns this tag's innerHTML content.
-@property (nonatomic, readonly) NSString *content;
+@property (nonatomic, copy, readonly) NSString *content;
 
 // Returns the name of the current tag, such as "h3".
-@property (nonatomic, readonly) NSString *tagName;
+@property (nonatomic, copy, readonly) NSString *tagName;
 
 // Returns tag attributes with name as key and content as value.
 //   href  = 'http://peepcode.com'
 //   class = 'highlight'
-@property (nonatomic, readonly) NSDictionary *attributes;
+@property (nonatomic, strong, readonly) NSDictionary *attributes;
 
 // Returns the children of a given node
-@property (nonatomic, readonly) NSArray *children;
+@property (nonatomic, strong, readonly) NSArray *children;
 
 // Returns the first child of a given node
-@property (nonatomic, readonly) TFHppleElement *firstChild;
+@property (nonatomic, strong, readonly) TFHppleElement *firstChild;
 
 // the parent of a node
-@property (nonatomic, retain, readonly) TFHppleElement *parent;
+@property (nonatomic, unsafe_unretained, readonly) TFHppleElement *parent;
 
 // Provides easy access to the content of a specific attribute, 
 // such as 'href' or 'class'.

TFHppleElement.m

@@ -37,32 +37,25 @@
 static NSString * const TFHppleNodeAttributeNameKey     = @"attributeName";
 
 @interface TFHppleElement ()
-@property (nonatomic, retain, readwrite) TFHppleElement *parent;
+@property (nonatomic, unsafe_unretained, readwrite) TFHppleElement *parent;
 @end
 
 @implementation TFHppleElement
 @synthesize parent;
 
-- (void) dealloc
-{
-  [node release];
-  [parent release];
-  [super dealloc];
-}
 
 - (id) initWithNode:(NSDictionary *) theNode
 {
   if (!(self = [super init]))
     return nil;
 
-  [theNode retain];
   node = theNode;
 
   return self;
 }
 
 + (TFHppleElement *) hppleElementWithNode:(NSDictionary *) theNode {
-  return [[[[self class] alloc] initWithNode:theNode] autorelease];
+  return [[[self class] alloc] initWithNode:theNode];
 }
 
 #pragma mark -

main.m

@@ -10,8 +10,8 @@
 
 int main(int argc, char *argv[]) {
 
-    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-    int retVal = UIApplicationMain(argc, argv, nil, nil);
-    [pool release];
-    return retVal;
+    @autoreleasepool {
+        int retVal = UIApplicationMain(argc, argv, nil, nil);
+        return retVal;
+    }
 }