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import Foundation
struct NoteParserStrategy: MapParserStrategy {
private let regex = MapParsingPatterns.note
func canHandle(line: String) -> Bool {
let range = NSRange(location: 0, length: line.utf16.count)
let matches = regex.matches(in: String(line), options: [], range: range)
return matches.count > 0 && matches[0].numberOfRanges == 5
}
func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
let range = NSRange(location: 0, length: line.utf16.count)
let matches = regex.matches(in: String(line), options: [], range: range)
let match = matches[0]
let text = String(line[Range(match.range(at: 4), in: line)!])
let xString = String(line[Range(match.range(at: 2), in: line)!])
let yString = String(line[Range(match.range(at: 3), in: line)!])
let x = CGFloat(truncating: NumberFormatter().number(from: xString) ?? 0.0)
let y = CGFloat(truncating: NumberFormatter().number(from: yString) ?? 0.0)
let note = Note(
id: index,
position: CGPoint(x: x, y: y),
text: text
)
return (Note.self, note)
}
}
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