git.r.bdr.sh - rbdr/map/blob - Map/MapParser/Strategies/StageParserStrategy.swift

   1 import Foundation
   2
   3 struct StageParserStrategy: MapParserStrategy {
   4   private let regex = MapParsingPatterns.stage
   5
   6   func canHandle(line: String) -> Bool {
   7     let range = NSRange(location: 0, length: line.utf16.count)
   8     let matches = regex.matches(in: String(line), options: [], range: range)
   9     return matches.count > 0 && matches[0].numberOfRanges == 3
  10   }
  11
  12   func handle(index: Int, line: String, vertices: [String: Vertex]) -> (Any.Type, Any) {
  13     let range = NSRange(location: 0, length: line.utf16.count)
  14     let matches = regex.matches(in: String(line), options: [], range: range)
  15
  16     let match = matches[0]
  17     let stage = String(line[Range(match.range(at: 1), in: line)!])
  18     let dimensionsString = String(line[Range(match.range(at: 2), in: line)!])
  19     let dimensions = CGFloat(truncating: NumberFormatter().number(from: dimensionsString) ?? 0.0)
  20
  21     let stageDimensions = StageDimensions(index: stage.count - 1, dimensions: dimensions)
  22     return (StageDimensions.self, stageDimensions)
  23   }
  24 }