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67 lines
1.5 KiB
Swift
67 lines
1.5 KiB
Swift
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//
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// String+HtmlAttributed.swift
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// CovidSafe
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//
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// Copyright © 2021 Australian Government. All rights reserved.
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//
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import UIKit
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extension String {
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func htmlDocumentString(font: UIFont, withAdditionalCSS: String = "") -> String {
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let htmlTemplate = """
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<!doctype html>
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<html>
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<head>
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<style>
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body {
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font-family: -apple-system;
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font-size: \(font.pointSize)px;
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}
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\(withAdditionalCSS)
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</style>
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</head>
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<body>
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\(self)
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</body>
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</html>
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"""
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return htmlTemplate
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}
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func htmlDocumentAttributedString(font: UIFont, withAdditionalCSS: String = "") -> NSAttributedString? {
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let htmlTemplate = """
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<!doctype html>
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<html>
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<head>
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<style>
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body {
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font-family: -apple-system;
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font-size: \(font.pointSize)px;
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}
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\(withAdditionalCSS)
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</style>
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</head>
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<body>
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\(self)
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</body>
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</html>
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"""
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guard let data = htmlTemplate.data(using: .unicode) else {
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return nil
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}
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guard let attributedString = try? NSAttributedString(
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data: data,
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options: [.documentType: NSAttributedString.DocumentType.html],
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documentAttributes: nil
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) else {
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return nil
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}
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return attributedString
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}
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}
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