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README
SwiftyAttributes
A Swifty API for attributed strings.
With SwiftyAttributes, you can create attributed strings like so:
let fancyString = "Hello World!".withTextColor(.blue).withUnderlineStyle(.styleSingle)
Alternatively, use the Attribute enum:
let fancyString = "Hello World!".withAttributes([
.backgroundColor(.magenta),
.strokeColor(.orange),
.strokeWidth(1),
.baselineOffset(5.2)
])
You can also easily combine attributed strings using a plus sign:
let fancyString = "Hello".withFont(.systemFont(ofSize: 12)) + " World!".withFont(.systemFont(ofSize: 18))
SwiftyAttributes has support for every attribute available in Cocoa and Cocoa Touch.
Requirements
- iOS 8.0+, macOS 10.11+, watchOS 2.0+, tvOS 9.0+
- Swift 4.2+
- Xcode 10.0+
Installation
With CocoaPods
pod 'SwiftyAttributes'
With Carthage
github "eddiekaiger/SwiftyAttributes"
Usage
Initializing attributed strings in SwiftyAttributes can be done several ways:
Using the
with[Attribute]extensions:"Hello World".withUnderlineColor(.red).withUnderlineStyle(.styleDouble)Using the
Attributeenum extensions:"Hello World".withAttributes([.underlineColor(.red), .underlineStyle(.styleDouble)])Using the
Attributeenum in an initializer:NSAttributedString(string: "Hello World", swiftyAttributes: [.kern(5), .backgroundColor(.gray)])
You can retrieve the attribute at a specific location using the built-in NSAttributedString.Key enum:
let attr: Attribute? = myAttributedString.swiftyAttribute(.shadow, at: 5)
Several API methods are provided to use these new enums as well as Swift's Range type instead of NSRange. Some of the method signatures include:
extension NSMutableAttributedString {
func addAttributes(_ attributes: [Attribute], range: Range<Int>)
func addAttributes(_ attributes: [Attribute], range: NSRange)
func setAttributes(_ attributes: [Attribute], range: Range<Int>)
func setAttributes(_ attributes: [Attribute], range: NSRange)
func replaceCharacters(in range: Range<Int>, with str: String)
func replaceCharacters(in range: Range<Int>, with attrString: NSAttributedString)
func deleteCharacters(in range: Range<Int>)
func removeAttribute(_ name: NSAttributedStringKey, range: Range<Int>)
}
extension NSAttributedString {
convenience init(string str: String, swiftyAttributes: [Attribute])
func withAttributes(_ attributes: [Attribute]) -> NSMutableAttributedString
func withAttribute(_ attribute: Attribute) -> NSMutableAttributedString
func attributedSubstring(from range: Range<Int>) -> NSAttributedString
func swiftyAttribute(_ attrName: NSAttributedStringKey, at location: Int, effectiveRange range: NSRangePointer? = nil) -> Attribute?
func swiftyAttributes(in range: Range<Int>, options: NSAttributedString.EnumerationOptions = []) -> [([Attribute], Range<Int>)]
func enumerateSwiftyAttributes(in enumerationRange: Range<Int>, options: NSAttributedString.EnumerationOptions = [], using block: (_ attrs: [Attribute], _ range: Range<Int>, _ stop: UnsafeMutablePointer<ObjCBool>) -> Void)
func enumerateSwiftyAttribute(_ attrName: NSAttributedStringKey, in enumerationRange: Range<Int>, options: NSAttributedString.EnumerationOptions = [], using block: (_ value: Any?, _ range: Range<Int>, _ stop: UnsafeMutablePointer<ObjCBool>) -> Void)
}
extension String {
var attributedString: NSMutableAttributedString
func withAttributes(_ attributes: [Attribute]) -> NSMutableAttributedString
func withAttribute(_ attribute: Attribute) -> NSMutableAttributedString
}
// ... and more!
Support
For questions, support, and suggestions, please open up an issue.
License
SwiftyAttributes is available under the MIT license. See the LICENSE file for more info.
*Note that all licence references and agreements mentioned in the SwiftyAttributes README section above
are relevant to that project's source code only.