plugin.cs

自己写的可扩展插件文件管理器

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Windows.Forms;
using Core.Services.Sdk;

namespace lz77lib
{
    [Plugin(true)]
    class plugin:IPlugin
    {
        private PluginInfo p;
        byte[] header={0x04,0x03,0x4b,0x50},ext;//文件头
        int lblock=0;              //表示ext块的长度
    
       

        public plugin()
        {
            p = new PluginInfo("lz77 Compress", "Signercompress", "使用lz77压缩文件", new Version(1, 0, 3204, 24355), new ToolStripMenuItem("lz77压缩"));
        }

        #region IPlugin 成员

        public void AssignTask(System.Collections.ArrayList Targets)
        {
            int curr=0,max=0;
            foreach(string s in Targets)
                max+=(int)(new FileInfo(s).Length);
            foreach (string s in Targets)
            {
                FileInfo fi = new FileInfo(s);
                ext = new byte[Encoding.Unicode.GetBytes(fi.Name).Length];
                ext=Encoding.Unicode.GetBytes(fi.Name);
                lblock = ext.Length;
                string name = s.Remove(s.LastIndexOf(".")) + ".lz7";
                FileStream fs = new FileStream(name,FileMode.Create);
                curr += (int)fs.Length;
                lz77.zipData(new FileStream(s, FileMode.Open), fs);
                FileStream bs = new FileStream(name, FileMode.Open);
                BinaryWriter bw = new BinaryWriter(bs);
                bw.Write(header);
                bw.Write(lblock);
                bw.Write(ext);
                bw.Close();
                OnProgressChanged(new ProgressChangedEventArgs(curr, max));
            }
        }

        public PluginInfo PluginInfo
        {
            get { return p; }
        }

        public event ProgressChangedEventHandler ProgressChanged;

        protected virtual void OnProgressChanged(ProgressChangedEventArgs e)
        {
            if (ProgressChanged != null)
            {
                ProgressChanged(this, e);
            }
        }

        #endregion

        #region IDisposable 成员

        public void Dispose()
        {
            
        }

        #endregion
    }
}