Mercurial > public > simoleon

annotate Simoleon/Functions/ParseJson.swift @ 0:e0c2bda6c51f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
first commit
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sun, 11 Jul 2021 15:13:29 +0100
parents
children 75c1a05176f6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
1 //
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
2 // ParseJson.swift
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
3 // Simoleon
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
4 //
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
5 // Created by Dennis Concepción Martín on 11/07/2021.
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
6 //
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
7
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
8 import Foundation
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
9
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
10
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
11 /*
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
12 Read JSON File
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
13 */
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
14 func parseJson<T: Decodable>(_ filename: String) -> T {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
15 let data: Data
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
16
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
17 guard let file = Bundle.main.url(forResource: filename, withExtension: nil)
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
18 else {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
19 fatalError("Couldn't find \(filename) in main bundle.")
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
20 }
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
21
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
22 do {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
23 data = try Data(contentsOf: file)
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
24 } catch {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
25 fatalError("Couldn't load \(filename) from main bundle:\n\(error)")
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
26 }
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
27
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
28 do {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
29 let decoder = JSONDecoder()
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
30 return try decoder.decode(T.self, from: data)
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
31 } catch {
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
32 fatalError("Couldn't parse \(filename) as \(T.self):\n\(error)")
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
33 }
e0c2bda6c51f first commit
Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
parents:
diff changeset
34 }