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import SwiftUI
import TreeSitterWmap
import SwiftTreeSitter
import SwiftTreeSitterLayer
struct QuickLookTextEditor: NSViewRepresentable {
let content: String
func makeNSView(context: Context) -> NSScrollView {
let scrollView = NSTextView.scrollableTextView()
let textView = scrollView.documentView as! NSTextView
// Configure the scroll view
scrollView.hasVerticalScroller = true
scrollView.hasHorizontalScroller = true
scrollView.autohidesScrollers = false
// Configure the text view for read-only display
textView.isEditable = false
textView.isSelectable = true
textView.backgroundColor = NSColor.textBackgroundColor
textView.font = NSFont.monospacedSystemFont(ofSize: 13, weight: .regular)
textView.string = content
textView.isVerticallyResizable = true
textView.isHorizontallyResizable = true
textView.textContainer?.widthTracksTextView = false
textView.textContainer?.containerSize = NSSize(
width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude)
// Apply syntax highlighting using tree-sitter
if let textStorage = textView.textStorage {
applyTreeSitterHighlighting(textStorage: textStorage, content: content)
}
return scrollView
}
func updateNSView(_ nsView: NSScrollView, context: Context) {
// No updates needed for read-only view
}
private func applyTreeSitterHighlighting(textStorage: NSTextStorage, content: String) {
// Set up tree-sitter language layer
guard let wmapConfiguration = try? LanguageConfiguration(tree_sitter_wmap(), name: "wmap")
else { return }
let languageConfiguration = LanguageLayer.Configuration(languageProvider: { name in
switch name {
case "wmap": return wmapConfiguration
default: return nil
}
})
guard
let rootLayer = try? LanguageLayer(
languageConfig: wmapConfiguration, configuration: languageConfiguration)
else { return }
// Update layer with content
rootLayer.replaceContent(with: content)
// Set default text color
let fullRange = NSRange(location: 0, length: textStorage.length)
textStorage.addAttribute(.foregroundColor, value: NSColor.textColor, range: fullRange)
// Apply tree-sitter highlighting
guard
let highlights = try? rootLayer.highlights(
in: fullRange, provider: content.predicateTextProvider)
else { return }
for highlight in highlights {
let color = NSColor.Theme.Syntax.colorForSyntax(highlight.name)
textStorage.addAttribute(.foregroundColor, value: color, range: highlight.range)
}
}
}
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