Rename CK classes to AS classes

AsyncDisplayKit/TextKit/ASTextKitRenderer.h

@@ -0,0 +1,84 @@
+/*
+ *  Copyright (c) 2014-present, Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+#import <vector>
+
+#import <UIKit/UIKit.h>
+
+#import "ASTextKitAttributes.h"
+
+@class ASTextKitContext;
+@class ASTextKitShadower;
+@protocol ASTextKitTruncating;
+
+/**
+ ASTextKitRenderer is a modular object that is responsible for laying out and drawing text.
+
+ A renderer will hold onto the TextKit layouts for the given attributes after initialization.  This may constitute a
+ large amount of memory for large enough applications, so care must be taken when keeping many of these around in-memory
+ at once.
+
+ This object is designed to be modular and simple.  All complex maintenance of state should occur in sub-objects or be
+ derived via pure functions or categories.  No touch-related handling belongs in this class.
+
+ ALL sizing and layout information from this class is in the external coordinate space of the TextKit components.  This
+ is an important distinction because all internal sizing and layout operations are carried out within the shadowed
+ coordinate space.  Padding will be added for you in order to ensure clipping does not occur, and additional information
+ on this transform is available via the shadower should you need it.
+ */
+@interface ASTextKitRenderer : NSObject
+
+/**
+ Designated Initializer
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+ @discussion Sizing will occur as a result of initialization, so be careful when/where you use this.
+ */
+- (instancetype)initWithTextKitAttributes:(const ASTextKitAttributes &)textComponentAttributes
+                          constrainedSize:(const CGSize)constrainedSize;
+
+@property (nonatomic, strong, readonly) ASTextKitContext *context;
+
+@property (nonatomic, strong, readonly) id<ASTextKitTruncating> truncater;
+
+@property (nonatomic, strong, readonly) ASTextKitShadower *shadower;
+
+@property (nonatomic, assign, readonly) ASTextKitAttributes attributes;
+
+@property (nonatomic, assign, readonly) CGSize constrainedSize;
+
+#pragma mark - Drawing
+/*
+ Draw the renderer's text content into the bounds provided.
+
+ @param bounds The rect in which to draw the contents of the renderer.
+ */
+- (void)drawInContext:(CGContextRef)context bounds:(CGRect)bounds;
+
+#pragma mark - Layout
+
+/*
+ Returns the computed size of the renderer given the constrained size and other parameters in the initializer.
+ */
+- (CGSize)size;
+
+#pragma mark - Text Ranges
+
+/*
+ The character range from the original attributedString that is displayed by the renderer given the parameters in the
+ initializer.
+ */
+- (std::vector<NSRange>)visibleRanges;
+
+/*
+ The number of lines shown in the string.
+ */
+- (NSUInteger)lineCount;
+
+@end