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Prettify Document.getChunkFilename

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This commit is contained in:
Joshua Goins 2022-02-14 12:31:08 -04:00
parent a71699c15d
commit d8c3229394
1 changed files with 3 additions and 6 deletions
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9
SilicaViewer/Document.swift
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@ -133,17 +133,14 @@ class Document: NSDocument {
}
/*
Parses the chunk filename, ex. 1~1 to integer coordinates.
Parses the chunk filename, ex. "1~1.chunk" to integer coordinates (1, 2).
*/
func parseChunkFilename(_ filename: String) -> (Int, Int)? {
let pathURL = URL(fileURLWithPath: filename)
let pathComponents = pathURL.lastPathComponent.replacingOccurrences(of: ".chunk", with: "").components(separatedBy: "~")
let x = Int(pathComponents[0])
let y = Int(pathComponents[1])
if x != nil && y != nil {
return (x!, y! + 1)
if let x = Int(pathComponents[0]), let y = Int(pathComponents[1]) {
return (x, y + 1)
} else {
return nil
}