mirror of
https://github.com/InsanusMokrassar/MicroUtils.git
synced 2024-06-01 23:45:28 +00:00
55 lines
1.3 KiB
Kotlin
55 lines
1.3 KiB
Kotlin
package dev.inmo.micro_utils.common
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import org.khronos.webgl.ArrayBuffer
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import org.w3c.dom.ErrorEvent
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import org.w3c.files.*
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import kotlin.js.Promise
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/**
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* @suppress
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*/
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actual typealias MPPFile = File
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fun MPPFile.readBytesPromise() = Promise<ByteArray> { success, failure ->
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val reader = FileReader()
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reader.onload = {
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success((reader.result as ArrayBuffer).toByteArray())
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Unit
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}
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reader.onerror = {
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failure(Exception((it as ErrorEvent).message))
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Unit
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}
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reader.readAsArrayBuffer(this)
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}
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fun MPPFile.readBytes(): ByteArray {
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val reader = FileReaderSync()
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return reader.readAsArrayBuffer(this).toByteArray()
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}
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private suspend fun MPPFile.dirtyReadBytes(): ByteArray = readBytesPromise().await()
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/**
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* @suppress
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*/
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actual val MPPFile.filename: FileName
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get() = FileName(name)
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/**
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* @suppress
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*/
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actual val MPPFile.filesize: Long
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get() = size.toLong()
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/**
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* @suppress
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*/
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@Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
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actual val MPPFile.bytesAllocatorSync: ByteArrayAllocator
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get() = ::readBytes
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/**
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* @suppress
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*/
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@Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
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actual val MPPFile.bytesAllocator: SuspendByteArrayAllocator
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get() = ::dirtyReadBytes
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