25 lines
761 B
Swift
25 lines
761 B
Swift
extension String {
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private static let htmlEscapedCharacters: [Character: String] = [
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"<": "<",
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">": ">",
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"&": "&",
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"\"": """,
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"'": "'",
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]
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/// HTML escape string. Replace '<', '>' and '&' with HTML escaped versions
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func htmlEscape() -> String {
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var newString = ""
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newString.reserveCapacity(count)
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// currently doing this by going through each character could speed
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// this us by treating as an array of UInt8's
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for c in self {
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if let replacement = Self.htmlEscapedCharacters[c] {
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newString += replacement
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} else {
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newString.append(c)
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}
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}
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return newString
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}
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}
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