Initial release

Racoon/RCOFactory.h

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+//
+//  RCOFactory.h
+//  Racoon
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface RCOFactory : NSObject
+
+- (void)configureWithAssembly:(id)assembly;
+- (id)componentForType:(Class)klass;
+
+@end

Racoon/RCOFactory.m

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+//
+//  RCOFactory.m
+//  Racoon
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import "RCOFactory.h"
+
+#import "RCOSelectorCache.h"
+
+@interface RCOFactory ()
+
+@property (nonatomic, strong) id assembly;
+@property (nonatomic, strong) RCOSelectorCache *selectorCache;
+
+@end
+
+@implementation RCOFactory
+
+#pragma mark - NSObject
+
+- (id)init
+{
+    self = [super init];
+    if (self) {
+        _selectorCache = [[RCOSelectorCache alloc] init];
+    }
+
+    return self;
+}
+
+#pragma mark - RCOFactory
+
+- (void)configureWithAssembly:(id)assembly
+{
+    self.assembly = assembly;
+}
+
+- (id)componentForType:(Class)klass
+{
+    SEL selector = [self selectorForType:klass];
+
+    if ([(NSObject *)self.assembly respondsToSelector:selector]) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+        return [(NSObject *)self.assembly performSelector:selector withObject:nil];
+#pragma clang diagnostic pop
+    } else {
+        [NSException raise:NSInvalidArgumentException format:@"The assembly %@ is not able to provide a component of type %@", self.assembly, klass];
+        return nil;
+    }
+}
+
+#pragma mark - RCOFactory
+
+- (SEL)selectorForType:(Class)klass
+{
+    SEL selector = [self.selectorCache selectorForType:klass];
+    if (selector == RCOSelectorCacheSelectorNotFound) {
+        NSString *selectorString = [NSString stringWithFormat:@"componentForType%@", NSStringFromClass(klass)];
+        selector = NSSelectorFromString(selectorString);
+
+        [self.selectorCache setSelector:selector forType:klass];
+    }
+
+    return selector;
+}
+
+@end

Racoon/RCOSelectorCache.h

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+//
+//  RCOSelectorCache.h
+//  Racoon
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+extern const SEL RCOSelectorCacheSelectorNotFound;
+
+@interface RCOSelectorCache : NSObject
+
+- (SEL)selectorForType:(Class)key;
+- (void)setSelector:(SEL)selector forType:(Class)key;
+- (void)evictCachedSelectors;
+
+@end

Racoon/RCOSelectorCache.m

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+//
+//  RCOSelectorCache.m
+//  Racoon
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import "RCOSelectorCache.h"
+
+const SEL RCOSelectorCacheSelectorNotFound = 0;
+
+@implementation RCOSelectorCache {
+    CFMutableDictionaryRef dictionary;
+}
+
+- (id)init
+{
+    self = [super init];
+    if (self) {
+        dictionary = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, NULL, NULL);
+    }
+
+    return self;
+}
+
+- (void)dealloc
+{
+    if (dictionary) {
+        CFRelease(dictionary);
+    }
+}
+
+- (SEL)selectorForType:(Class)key
+{
+    return (SEL)CFDictionaryGetValue(dictionary, (__bridge const void *)(key));
+}
+
+- (void)setSelector:(SEL)selector forType:(Class)key
+{
+    CFDictionarySetValue(dictionary, (__bridge const void *)(key), selector);
+}
+
+- (void)evictCachedSelectors
+{
+    CFDictionaryRemoveAllValues(dictionary);
+}
+
+@end

Racoon/Racoon-Prefix.pch

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+//
+//  Prefix header
+//
+//  The contents of this file are implicitly included at the beginning of every source file.
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif

Racoon/Racoon.h

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+//
+//  Racoon.h
+//  Racoon
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#import <Racoon/RCOFactory.h>

RacoonTests/RacoonTests-Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.sobik.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

RacoonTests/RacoonTests.m

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+//
+//  RacoonTests.m
+//  RacoonTests
+//
+//  Created by Raphael Sobik on 23.08.13.
+//  Copyright (c) 2013 Raphael Sobik. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface RacoonTests : XCTestCase
+
+@end
+
+@implementation RacoonTests
+
+- (void)setUp
+{
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown
+{
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample
+{
+    XCTFail(@"No implementation for \"%s\"", __PRETTY_FUNCTION__);
+}
+
+@end

RacoonTests/en.lproj/InfoPlist.strings

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+/* Localized versions of Info.plist keys */
+