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Adds attributed string render for #2
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rob phillips
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Jun 2, 2016
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // | ||
| // NSAttributedString+HTML.swift | ||
| // Down | ||
| // | ||
| // Created by Rob Phillips on 6/1/16. | ||
| // Copyright © 2016 Glazed Donut, LLC. All rights reserved. | ||
| // | ||
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| import UIKit | ||
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| extension NSAttributedString { | ||
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| /** | ||
| Instantiates an attributed string with the given HTML string | ||
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| - parameter htmlString: An HTML string | ||
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| - throws: `HTMLDataConversionError` or an instantiation error | ||
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| - returns: An attributed string | ||
| */ | ||
| convenience init(htmlString: String) throws { | ||
| guard let data = htmlString.dataUsingEncoding(NSUTF8StringEncoding) else { | ||
| throw DownErrors.HTMLDataConversionError | ||
| } | ||
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| let options = [NSDocumentTypeDocumentAttribute : NSHTMLTextDocumentType, | ||
| NSCharacterEncodingDocumentAttribute: NSNumber(unsignedInteger:NSUTF8StringEncoding)] | ||
| try self.init(data: data, options: options, documentAttributes: nil) | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // | ||
| // DownAttributedStringRenderable.swift | ||
| // Down | ||
| // | ||
| // Created by Rob Phillips on 6/1/16. | ||
| // Copyright © 2016 Glazed Donut, LLC. All rights reserved. | ||
| // | ||
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| import Foundation | ||
| import libcmark | ||
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| public protocol DownAttributedStringRenderable: DownHTMLRenderable { | ||
| /** | ||
| Generates an `NSAttributedString` from the `markdownString` property | ||
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| - parameter options: `DownOptions` to modify parsing or rendering | ||
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| - throws: `DownErrors` depending on the scenario | ||
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| - returns: An `NSAttributedString` | ||
| */ | ||
| @warn_unused_result | ||
| func toAttributedString(options: DownOptions) throws -> NSAttributedString | ||
| } | ||
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| public extension DownAttributedStringRenderable { | ||
| /** | ||
| Generates an `NSAttributedString` from the `markdownString` property | ||
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| - parameter options: `DownOptions` to modify parsing or rendering, defaulting to `.Default` | ||
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| - throws: `DownErrors` depending on the scenario | ||
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| - returns: An `NSAttributedString` | ||
| */ | ||
| @warn_unused_result | ||
| public func toAttributedString(options: DownOptions = .Default) throws -> NSAttributedString { | ||
| let html = try self.toHTML(options) | ||
| return try NSAttributedString(htmlString: html) | ||
| } | ||
| } |
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