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yep steam classes are faster...

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This commit is contained in:
a dinosaur
2024-11-14 00:57:29 +11:00
parent 451deb6aa3
commit da14fa8fd0
7 changed files with 54 additions and 38 deletions
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12
Sources/apk/Utility/MemoryInputStream.swift
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@ -6,7 +6,7 @@
import Foundation
import System
public struct MemoryInputStream: InputStream {
public class MemoryInputStream: InputStream {
private var _buf: ContiguousArray<UInt8>! = nil
private let _sli: ArraySlice<UInt8>
private let _ptr: UnsafeBufferPointer<UInt8>
@ -50,7 +50,7 @@ public struct MemoryInputStream: InputStream {
}
*/
public mutating func seek(_ whence: StreamWhence) throws(StreamError) {
public override func seek(_ whence: Whence) throws(StreamError) {
let (position, overflow) = switch whence {
case .set(let position): (position, false)
case .current(let offset): self._idx.addingReportingOverflow(offset)
@ -65,13 +65,13 @@ public struct MemoryInputStream: InputStream {
}
}
public var tell: Int {
public override var tell: Int {
get throws(StreamError) {
self._idx
}
}
public mutating func read(_ count: Int) throws(StreamError) -> Data {
public override func read(_ count: Int) throws(StreamError) -> Data {
let beg = min(self._idx, self._len)
let end = min(self._idx + count, self._len)
let bytes = Data(self._ptr[beg..<end])
@ -79,7 +79,7 @@ public struct MemoryInputStream: InputStream {
return bytes
}
public mutating func read(_ buffer: UnsafeMutablePointer<UInt8>, maxLength count: Int) throws(StreamError) -> Int {
public override func read(_ buffer: UnsafeMutablePointer<UInt8>, maxLength count: Int) throws(StreamError) -> Int {
let beg = min(self._idx, self._len)
let end = min(self._idx + count, self._len)
let len = beg.distance(to: end)
@ -88,7 +88,7 @@ public struct MemoryInputStream: InputStream {
return self._ptr.copyBytes(to: buf, from: beg..<end)
}
public mutating func next() -> UInt8? {
public override func next() -> UInt8? {
if _fastPath(self._idx < self._len) {
defer { self._idx += 1 }
return self._ptr[self._idx]