26 lines
1.1 KiB
Swift
26 lines
1.1 KiB
Swift
import Foundation
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public enum EditorActiveLineTracker {
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public static func lines(from source: String, activeLineIndex: Int) -> [EditorLine] {
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DocumentLineIndex(source: source).editorLines(activeLineIndex: activeLineIndex)
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}
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public static func lines(from lineIndex: DocumentLineIndex, activeLineIndex: Int) -> [EditorLine] {
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lineIndex.editorLines(activeLineIndex: activeLineIndex)
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}
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public static func lineIndex(containing location: Int, in source: String) -> Int {
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DocumentLineIndex(source: source).lineIndex(containing: location)
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}
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public static func lineIndex(containing location: Int, in lineIndex: DocumentLineIndex) -> Int {
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lineIndex.lineIndex(containing: location)
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}
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public static func clampedSelection(_ selection: EditorSelection, in source: String) -> EditorSelection {
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let sourceLength = source.utf16.count
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let location = max(0, min(selection.location, sourceLength))
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let length = max(0, min(selection.length, sourceLength - location))
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return EditorSelection(location: location, length: length)
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}
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}
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