63 lines
1.7 KiB
Swift
63 lines
1.7 KiB
Swift
public enum Token : Equatable {
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/// A token representing a piece of text.
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case Text(value:String)
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/// A token representing a variable.
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case Variable(value:String)
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/// A token representing a comment.
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case Comment(value:String)
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/// A token representing a template block.
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case Block(value:String)
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/// Returns the underlying value as an array seperated by spaces
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public func components() -> [String] {
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// TODO: Make this smarter and treat quoted strings as a single component
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let characterSet = NSCharacterSet.whitespaceAndNewlineCharacterSet()
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func strip(value: String) -> [String] {
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return value.stringByTrimmingCharactersInSet(characterSet).componentsSeparatedByCharactersInSet(characterSet)
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}
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switch self {
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case .Block(let value):
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return strip(value)
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case .Variable(let value):
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return strip(value)
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case .Text(let value):
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return strip(value)
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case .Comment(let value):
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return strip(value)
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}
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}
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public var contents:String {
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switch self {
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case .Block(let value):
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return value
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case .Variable(let value):
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return value
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case .Text(let value):
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return value
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case .Comment(let value):
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return value
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}
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}
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}
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public func ==(lhs:Token, rhs:Token) -> Bool {
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switch (lhs, rhs) {
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case (.Text(let lhsValue), .Text(let rhsValue)):
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return lhsValue == rhsValue
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case (.Variable(let lhsValue), .Variable(let rhsValue)):
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return lhsValue == rhsValue
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case (.Block(let lhsValue), .Block(let rhsValue)):
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return lhsValue == rhsValue
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case (.Comment(let lhsValue), .Comment(let rhsValue)):
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return lhsValue == rhsValue
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default:
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return false
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}
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}
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