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// Very slightly adapted from http://stackoverflow.com/a/30141700/106244 | |
// 99.99% Credit to Martin R! | |
// Mapping from XML/HTML character entity reference to character | |
// From http://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references | |
private let characterEntities : [String: Character] = [ | |
// XML predefined entities: | |
""" : "\"", | |
"&" : "&", |
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// Line Height Bookmarklet | |
// javascript:(function(lineHeight) %7B%0A if (window.guide) %7B%0A document.body.removeChild(window.guide)%3B%0A window.guide %3D null%3B%0A %7D else %7B%0A window.guide %3D document.createElement("div")%3B%0A guide.style.id %3D "grid_overlay"%3B%0A guide.style.position %3D "absolute"%3B%0A guide.style.left %3D "0"%3B%0A guide.style.top %3D "-1px"%3B%0A guide.style.width %3D "100%25"%3B%0A guide.style.height %3D (document.body.clientHeight > document.documentElement.clientHeight) %3F document.body.clientHeight %2B "px" %3A "100%25"%3B%0A guide.style.pointerEvents %3D "none"%3B%0A guide.style.userSelect %3D "none"%3B%0A guide.style.background %3D "linear-gradient(rgba(0%2C 119%2C 179%2C 0.2) 1px%2C transparent 1px) left top %2F " %2B lineHeight %2B " " %2B lineHeight%3B%0A document.body.appendChild(guide)%0A %7D%0A%7D)("27px")%3B%0A | |
(function(lineHeight) { | |
if (window.guide) { | |
document.body.removeChild(window.guide); | |
window.guide = |
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struct ImageDescriptor<ImageReference> { | |
var imageReference: ImageReference | |
var properties: UIImageView.Properties | |
} | |
extension UIImageView { | |
struct Properties { | |
var contentMode: UIViewContentMode | |
var backgroundColor: UIColor | |
var tintColor: UIColor |
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extension UIImageView { | |
func apply(_ imageDescriptor: ImageDescriptor<UIImage>) | |
func apply( | |
_ imageDescriptor: ImageDescriptor<URL>, | |
loading loadingImageDescriptor: ImageDescriptor<UIImage>? = nil, | |
failure failureImageDescriptor: ImageDescriptor<UIImage>? = nil | |
) | |
} |
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extension UIImageView { | |
func apply(_ imageDescriptor: ImageDescriptor<UIImage>) { | |
cancelAnyExistingFetches() | |
accessibilityIdentifier = imageDescriptor.properties.accessibilityIdentifier | |
backgroundColor = imageDescriptor.properties.backgroundColor | |
contentMode = imageDescriptor.properties.contentMode | |
tintColor = imageDescriptor.properties.tintColor | |
image = imageDescriptor.imageReference | |
} |
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extension ImageDescriptor where ImageReference == UIImage { | |
static let logo = ImageDescriptor<UIImage>( | |
imageReference: UIImage(named: "logo")!.withRenderingMode(.alwaysTemplate), | |
properties: UIImageView.Properties( | |
contentMode: .center, | |
backgroundColor: .white, | |
tintColor: .lightGray, | |
accessibilityIdentifier: "logoImage" | |
) | |
) |
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imageView.apply(.logo) | |
imageView.apply( | |
.productImage(with: URL(string: "http://my-image-url")!), | |
loading: .loading, | |
failure: .failure | |
) |
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enum Material: String, Codable { | |
case wood, metal, glass, other | |
} |
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extension Material { | |
init(from decoder: Decoder) throws { | |
let container = try decoder.singleValueContainer() | |
let rawMaterial = try container.decode(String.self) | |
self = Material(rawValue: rawMaterial) ?? .other | |
} | |
} |
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extension RawRepresentable where RawValue: Decodable { | |
init(from decoder: Decoder, default: Self) throws { | |
let container = try decoder.singleValueContainer() | |
let rawValue = try container.decode(RawValue.self) | |
self = Self(rawValue: rawValue) ?? `default` | |
} | |
} |