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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
import java.io.IOException
import org.json.JSONException
import org.json.JSONObject
import java.io.File
import java.io.InputStream
class GpuDriverMetadata {
/**
* Tries to get driver metadata information from a meta.json [File]
*
* @param metadataFile meta.json file provided with a GPU driver
*/
constructor(metadataFile: File) {
if (metadataFile.length() > MAX_META_SIZE_BYTES) {
return
}
try {
val json = JSONObject(FileUtil.getStringFromFile(metadataFile))
name = json.getString("name")
description = json.getString("description")
author = json.getString("author")
vendor = json.getString("vendor")
version = json.getString("driverVersion")
minApi = json.getInt("minApi")
libraryName = json.getString("libraryName")
} catch (e: JSONException) {
// JSON is malformed, ignore and treat as unsupported metadata.
} catch (e: IOException) {
// File is inaccessible, ignore and treat as unsupported metadata.
}
}
/**
* Tries to get driver metadata information from an input stream that's intended to be
* from a zip file
*
* @param metadataStream ZipEntry input stream
* @param size Size of the file in bytes
*/
constructor(metadataStream: InputStream, size: Long) {
if (size > MAX_META_SIZE_BYTES) {
return
}
try {
val json = JSONObject(FileUtil.getStringFromInputStream(metadataStream))
name = json.getString("name")
description = json.getString("description")
author = json.getString("author")
vendor = json.getString("vendor")
version = json.getString("driverVersion")
minApi = json.getInt("minApi")
libraryName = json.getString("libraryName")
} catch (e: JSONException) {
// JSON is malformed, ignore and treat as unsupported metadata.
} catch (e: IOException) {
// File is inaccessible, ignore and treat as unsupported metadata.
}
}
/**
* Creates an empty metadata instance
*/
constructor()
override fun equals(other: Any?): Boolean {
if (other !is GpuDriverMetadata) {
return false
}
return other.name == name &&
other.description == description &&
other.author == author &&
other.vendor == vendor &&
other.version == version &&
other.minApi == minApi &&
other.libraryName == libraryName
}
override fun hashCode(): Int {
var result = name?.hashCode() ?: 0
result = 31 * result + (description?.hashCode() ?: 0)
result = 31 * result + (author?.hashCode() ?: 0)
result = 31 * result + (vendor?.hashCode() ?: 0)
result = 31 * result + (version?.hashCode() ?: 0)
result = 31 * result + minApi
result = 31 * result + (libraryName?.hashCode() ?: 0)
return result
}
override fun toString(): String =
"""
Name - $name
Description - $description
Author - $author
Vendor - $vendor
Version - $version
Min API - $minApi
Library Name - $libraryName
""".trimMargin().trimIndent()
var name: String? = null
var description: String? = null
var author: String? = null
var vendor: String? = null
var version: String? = null
var minApi = 0
var libraryName: String? = null
companion object {
private const val MAX_META_SIZE_BYTES = 500000
}
}
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