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Return file attributes as NSNumbers when SCL-F is imported #641

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Merged
merged 1 commit into from
May 29, 2024
Merged

Return file attributes as NSNumbers when SCL-F is imported #641

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24 changes: 22 additions & 2 deletions Sources/FoundationEssentials/FileManager/FileManager+Files.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,18 @@ func _readFileAttributePrimitive(_ value: Any?, as type: Bool.Type) -> Bool? {
return nil
}

#if !FOUNDATION_FRAMEWORK
@_spi(SwiftCorelibsFoundation)
public protocol _NSNumberInitializer {
static func initialize(value: Bool) -> Any
static func initialize(value: some BinaryInteger) -> Any
}

private let _nsNumberInitializer: (any _NSNumberInitializer.Type)? = {
_typeByName("Foundation._FoundationNSNumberInitializer") as? any _NSNumberInitializer.Type
}()
#endif

func _writeFileAttributePrimitive<T: BinaryInteger, U: BinaryInteger>(_ value: T, as type: U.Type) -> Any {
#if FOUNDATION_FRAMEWORK
if let int = Int64(exactly: value) {
Expand All @@ -114,15 +126,23 @@ func _writeFileAttributePrimitive<T: BinaryInteger, U: BinaryInteger>(_ value: T
NSNumber(value: UInt64(value))
}
#else
U(value)
if let ns = _nsNumberInitializer?.initialize(value: value) {
return ns
} else {
return U(value)
}
#endif
}

func _writeFileAttributePrimitive(_ value: Bool) -> Any {
#if FOUNDATION_FRAMEWORK
NSNumber(value: value)
#else
value
if let ns = _nsNumberInitializer?.initialize(value: value) {
return ns
} else {
return value
}
#endif
}

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