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32 lines
1.3 KiB
Swift
32 lines
1.3 KiB
Swift
//
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// Copyright 2020 The Matrix.org Foundation C.I.C
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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public extension NSAttributedString {
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/// Returns a string created by joining all ranges of the attributed string that don't have
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/// the `kMXKToolsBlockquoteMarkAttribute` attribute.
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@objc func mxk_unquotedString() -> NSString? {
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var unquotedSubstrings = [String]()
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enumerateAttributes(in: NSRange(location: 0, length: self.length), options: []) { attributes, range, stop in
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guard !attributes.keys.contains(where: { $0.rawValue == kMXKToolsBlockquoteMarkAttribute }) else { return }
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unquotedSubstrings.append(self.attributedSubstring(from: range).string)
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}
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return unquotedSubstrings.joined(separator: " ") as NSString
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}
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}
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