1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// MARK: - _XMLPlistDecodingFormat
internal struct _XMLPlistDecodingFormat : PlistDecodingFormat {
typealias Map = XMLPlistMap
static func container<Key: CodingKey>(keyedBy type: Key.Type, for value: Map.Value, referencing decoder: _PlistDecoder<Self>, codingPathNode: _CodingPathNode) throws -> KeyedDecodingContainer<Key> {
switch value {
case let .dict(startOffset, count):
let iterator = decoder.map.makeDictionaryIterator(from: startOffset)
let container = try _PlistKeyedDecodingContainer<Key, _XMLPlistDecodingFormat>(referencing: decoder, codingPathNode: codingPathNode, iterator: iterator, count: count)
return KeyedDecodingContainer(container)
case .null:
throw DecodingError.valueNotFound([String: Any].self, DecodingError.Context(codingPath: decoder.codingPath, debugDescription: "Cannot get keyed decoding container -- found null value instead"))
default:
throw DecodingError._typeMismatch(at: decoder.codingPath, expectation: [String : Any].self, reality: value)
}
}
static func unkeyedContainer(for value: Map.Value, referencing decoder: _PlistDecoder<Self>, codingPathNode: _CodingPathNode) throws -> UnkeyedDecodingContainer {
switch value {
case let .array(startOffset, count):
let iterator = decoder.map.makeArrayIterator(from: startOffset)
return _PlistUnkeyedDecodingContainer(referencing: decoder, codingPathNode: codingPathNode, iterator: iterator, count: count)
case .null:
throw DecodingError.valueNotFound([Any].self, DecodingError.Context(codingPath: decoder.codingPath, debugDescription: "Cannot get unkeyed decoding container -- found null value instead"))
default:
throw DecodingError._typeMismatch(at: decoder.codingPath, expectation: [Any].self, reality: value)
}
}
@inline(__always)
static func valueIsNull(_ mapValue: Map.Value) -> Bool {
guard case .null = mapValue else {
return false
}
return true
}
static func unwrapBool(from mapValue: Map.Value, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> Bool {
guard case let .boolean(value) = mapValue else {
throw DecodingError._typeMismatch(at: codingPathNode.path(byAppending: additionalKey), expectation: Bool.self, reality: mapValue)
}
return value
}
static func unwrapDate(from mapValue: Map.Value, in map: Map, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> Date {
return try mapValue.dateValue(in: map, for: codingPathNode, additionalKey)
}
static func unwrapData(from mapValue: Map.Value, in map: Map, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> Data {
return try mapValue.dataValue(in: map, for: codingPathNode, additionalKey)
}
static func unwrapString(from mapValue: Map.Value, in map: Map, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> String {
guard case let .string(region, _, isSimple) = mapValue else {
throw DecodingError._typeMismatch(at: codingPathNode.path(byAppending: additionalKey), expectation: String.self, reality: mapValue)
}
return try map.withBuffer(for: region) { buffer, fullSource in
if isSimple {
guard let string = String._tryFromUTF8(buffer) else {
let reader = BufferReader(bytes: buffer, fullSource: fullSource)
throw DecodingError._dataCorrupted("Unable to convert string to correct encoding at line \(reader.lineNumber)", for: codingPathNode.appending(additionalKey))
}
return string
} else {
var reader = BufferReader(bytes: buffer, fullSource: fullSource)
return try XMLPlistScanner.parseString(with: &reader, generate: true).2
}
}
}
static func unwrapFloatingPoint<T: BinaryFloatingPoint>(from mapValue: Map.Value, in map: Map, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> T {
try mapValue.realValue(in: map, as: T.self, for: codingPathNode, additionalKey)
}
static func unwrapFixedWidthInteger<T: FixedWidthInteger>(from mapValue: Map.Value, in map: Map, for codingPathNode: _CodingPathNode, _ additionalKey: (some CodingKey)?) throws -> T {
try mapValue.integerValue(in: map, as: T.self, for: codingPathNode, additionalKey)
}
}
|
