LeadKit/Sources/Extensions/NSAttributedString/NSAttributedString+Extensio...

57 lines
2.0 KiB
Swift

//
// Copyright (c) 2018 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import Foundation.NSAttributedString
public extension NSAttributedString {
static func + (left: NSAttributedString, right: NSAttributedString) -> NSAttributedString {
let mutableAttributedString = left.mutable
mutableAttributedString += right
return mutableAttributedString.immutable
}
/// Mutable copy of attributed string.
var mutable: NSMutableAttributedString {
NSMutableAttributedString(attributedString: self)
}
}
public extension NSMutableAttributedString {
static func + (left: NSMutableAttributedString, right: NSAttributedString) -> NSMutableAttributedString {
left.append(right)
return left
}
static func += (left: NSMutableAttributedString, right: NSAttributedString) {
left.append(right)
}
/// Immutable copy of attributed string.
var immutable: NSAttributedString {
NSAttributedString(attributedString: self)
}
}