93 lines
2.6 KiB
C#
93 lines
2.6 KiB
C#
using System.Diagnostics;
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using System.Reflection;
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using System.Text;
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namespace Shoko;
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[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
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class ProtocolAttribute : Attribute
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{
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public string Protocol;
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public ProtocolAttribute(string proto)
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{
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Protocol = proto;
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}
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}
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class ProtoHandler
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{
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public Tab CurrentTab;
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public Uri URL;
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public string MediaType;
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public Stream Content;
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public string Status;
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public bool Loaded = false;
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public int LoadedBytes = 0;
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public int TotalBytes = 0;
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public IEnumerable<KeyValuePair<string,IEnumerable<string>>> Headers;
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public IEnumerable<KeyValuePair<string,string>> MediaTypeParams;
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public ProtoHandler()
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{
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}
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public ProtoHandler(Uri url)
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{
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URL = url;
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}
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public virtual void Load()
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{
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Content = new MemoryStream(Encoding.UTF8.GetBytes("error: no handler for this scheme"));
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MediaType = "text/plain";
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Loaded = true;
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}
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public virtual void Render()
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{
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Gui.Button("Open with external program", ()=>{
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try
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{
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if(OperatingSystem.IsLinux())
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Process.Start("xdg-open", URL.ToString());
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else if(OperatingSystem.IsMacOS())
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Process.Start("open", URL.ToString());
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else if(OperatingSystem.IsWindows())
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Process.Start(URL.ToString());
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}
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catch{}
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});
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}
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public virtual void MenuBar()
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{
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}
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/// <summary>
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/// Get the appropriate protocol handler for the URL
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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public static ProtoHandler GetHandler(Uri url)
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{
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var proto = new UriBuilder(url).Scheme;
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var type = Assembly.GetAssembly(typeof(ProtoHandler)).GetTypes()
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.Where(t => t.IsClass && !t.IsAbstract && t.IsSubclassOf(typeof(ProtoHandler)) && t.GetCustomAttributes<ProtocolAttribute>().Any(x => x.Protocol == proto))
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.SingleOrDefault(typeof(ProtoHandler));
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return (ProtoHandler)Activator.CreateInstance(type, url);
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}
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public static ProtoHandler GetHandler(string url)
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{
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return GetHandler(new Uri(url));
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}
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public static string[] SupportedProtos
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{
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get
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{
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return Assembly.GetAssembly(typeof(ProtoHandler)).GetTypes()
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.Where(t => t.IsClass && !t.IsAbstract && t.IsSubclassOf(typeof(ProtoHandler)))
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.SelectMany(t => t.GetCustomAttributes<ProtocolAttribute>().Select(x => x.Protocol))
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.ToArray();
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}
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}
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} |