mirror of
https://github.com/tuyoogame/YooAsset.git
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94 lines
3.1 KiB
C#
94 lines
3.1 KiB
C#
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namespace YooAsset
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{
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/// <summary>
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/// 下载系统工具类
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/// </summary>
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/// <remarks>
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/// 提供跨平台的 URL 转换和判断功能。
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/// </remarks>
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internal class DownloadSystemTools
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{
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/// <summary>
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/// 转换为本地文件请求地址
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/// </summary>
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/// <param name="path">本地文件路径</param>
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/// <returns>可用于 UnityWebRequest 的文件协议 URL</returns>
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public static string ToLocalURL(string path)
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{
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string url;
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// 获取对应平台的URL地址
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// 说明：苹果不同设备上操作系统不同。
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// 说明：iPhone和iPod对应的是iOS系统。
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// 说明：iPad对应的是iPadOS系统。
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// 说明：AppleTV对应的是tvOS系统。
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#if UNITY_EDITOR_OSX
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url = StringUtility.Format("file://{0}", path);
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#elif UNITY_EDITOR_WIN
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url = StringUtility.Format("file:///{0}", path);
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#elif UNITY_WEBGL
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url = path;
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#elif UNITY_IOS || UNITY_IPHONE
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url = StringUtility.Format("file://{0}", path);
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#elif UNITY_ANDROID
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if (path.StartsWith("jar:file://"))
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url = path;
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else
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url = StringUtility.Format("jar:file://{0}", path);
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#elif UNITY_OPENHARMONY
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if (UnityEngine.Application.streamingAssetsPath.StartsWith("jar:file://"))
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{
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if (path.StartsWith("jar:file://"))
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url = path;
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else
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url = StringUtility.Format("jar:file://{0}", path);
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}
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else
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{
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if (path.StartsWith("file://"))
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url = path;
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else
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url = StringUtility.Format("file://{0}", path);
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}
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#elif UNITY_WSA
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url = StringUtility.Format("file:///{0}", path);
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#elif UNITY_TVOS
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url = StringUtility.Format("file:///{0}", path);
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#elif UNITY_STANDALONE_OSX
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url = new System.Uri(path).ToString();
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#elif UNITY_STANDALONE_WIN
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url = StringUtility.Format("file:///{0}", path);
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#elif UNITY_STANDALONE_LINUX
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url = StringUtility.Format("file:///root/{0}", path);
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#else
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throw new System.NotSupportedException($"Platform '{UnityEngine.Application.platform}' is not supported.");
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#endif
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// 处理特殊字符：用户设备路径可能包含特殊字符导致 URL 无法正确识别
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return url.Replace("+", "%2B").Replace("#", "%23").Replace("?", "%3F");
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}
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/// <summary>
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/// 判断是否为本地文件 URL
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/// </summary>
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/// <param name="url">要判断的 URL</param>
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/// <returns>如果是本地文件 URL 返回 true，否则返回 false</returns>
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public static bool IsLocalFileURL(string url)
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{
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//TODO UNITY_STANDALONE_OSX平台目前无法确定
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// 本地文件传输协议
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if (url.StartsWith("file:"))
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return true;
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// JAR文件协议
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if (url.StartsWith("jar:file:"))
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return true;
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return false;
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}
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}
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}
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