/// <summary>
/// 执行命令
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button_execute_Click_1(object sender, EventArgs e)
{
try
{
if (textBox_command.Text == "")
{
MessageBox.Show("请输入命令和文件路径", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//分割路径
string[] command_pathname = textBox_command.Text.Split(new char[] { ' ' });
string command = command_pathname[0];
string pathname = command_pathname[1];
string[] names = pathname.Split(new char[] { '\\', '.' });
FileFunction newfile = new FileFunction();
string harddisk = "";
if (names[0] == "c:" || names[0] == "C:")
{
harddisk = "disk1.txt";
}
if (names[0] == "d:" || names[0] == "D:")
{
harddisk = "disk2.txt";
}
if (command == "create")
{
int[] disknum = newfile.SearchFAT(1, harddisk); //查找一个空盘块分配给文件
byte attribute = new byte();
if (names[names.Length - 1].Length == 1 && Convert.ToChar(names[names.Length - 1]) == 'e')
{
attribute = 2;
}
else
{
attribute = 8;
}
switch (attribute)
{
case 2:
case 4:
if (newfile.Search(pathname, harddisk) != 2)
{
newfile.CreateFile(pathname, attribute, Convert.ToByte(disknum[0]), Convert.ToChar(1), harddisk); //建立exe文件
newfile.RecordFileFAT(disknum, harddisk); //记录FAT表
}
else
{
MessageBox.Show("文件存在！", "注意", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
break;
case 8:
newfile.CreateMenu(pathname, harddisk); //建立目录
break;
}
}
else if (command == "delete")
{
byte attribute = new byte();
if (names[names.Length - 1].Length == 1 && Convert.ToChar(names[names.Length - 1]) == 'e')
{
attribute = 2;
}
else
{
attribute = 8;
}
if (names[names.Length - 1].Length == 1)
{
newfile.DeleteFile(pathname, harddisk);
}
else
{
newfile.DeleteMenu(pathname, harddisk);
}
}
else if (command == "edit")
{
found:
if (names[0] == "c:" || names[0] == "C:")
{
harddisk = "disk1.txt";
}
if (names[0] == "d:" || names[0] == "D:")
{
harddisk = "disk2.txt";
}
if (pathname.Length == 2) //在本地C盘和D盘上编辑
{
return;
}
string halfpathname = pathname.Remove(pathname.Length - 6);
char attribute = Convert.ToChar(names[names.Length - 1]);
int disknum;
UTF8Encoding utf = new UTF8Encoding();
byte[] name = utf.GetBytes(names[names.Length - 2]);
if (names.Length == 3) //例c:\aaa.t
{
disknum = 3;
}
else
{
disknum = newfile.Search(halfpathname, harddisk);
}
int item = newfile.FindItem(disknum, name, attribute, harddisk)[0];
int address = newfile.FindItem(disknum, name, attribute, harddisk)[1];
buffer = newfile.ReadFCB(disknum, item, harddisk); //获取文件的FCB信息
int[] dnums = newfile.FindDiskNumber(buffer.Address, harddisk); //找到文件占用的盘块返回整型数组
FileStream Disk = new FileStream(harddisk, FileMode.Open);
byte[] content = new byte[64 * dnums.Length];
for (int i = 0; i < dnums.Length; i++)
{
Disk.Seek(64 * (dnums[i] - 1), SeekOrigin.Begin);
Disk.Read(content, 64 * i, 64);
}
Disk.Close();
filecontent = utf.GetString(content);
Form_EFile formfile = new Form_EFile(filecontent, buffer.Attribute, buffer.Name);
DialogResult result = formfile.ShowDialog();
if (result == DialogResult.OK && formfile.flag == 1)
{
//修改FCB信息
buffer.Name = formfile.buffer.Name;
buffer.Type = formfile.buffer.Type;
buffer.Attribute = formfile.buffer.Attribute;
buffer.Length = Convert.ToChar(formfile.number);
string newname = "";
if (buffer.Attribute == 2 || buffer.Attribute == 3)
{
newname = utf.GetString(buffer.Name) + ".e";
}
if (newfile.SearchPreNode(treeView1.SelectedNode, newname) == 1 || newfile.SearchNextNode(treeView1.SelectedNode, newname) == 1)
{
return;
}
newfile.DeleteFile(pathname, harddisk); //删除原文件
int[] newdnums = new int[formfile.number];
newdnums = newfile.SearchFAT(formfile.number, harddisk); //寻找空盘块
newfile.RecordFileFAT(newdnums, harddisk); //记录FAT
newfile.WriteFile(disknum, item, buffer, harddisk); //把新的FCB信息写入目录项
newfile.WriteContent(newdnums, formfile.filecontent, harddisk); //文件内容写入磁盘
newfile.ReadFile(treeView1, contextMenuStrip1, imageList1);
newfile.DrawDisk(groupBox2, "disk1.txt");
newfile.DrawDisk(groupBox3, "disk2.txt");
}
if (result == DialogResult.OK && formfile.flag == 0)
{
goto found;
}
if (result == DialogResult.Cancel)
{
}
}
else if (command == "copy")
{
string cpathname1 = command_pathname[1];
string cpathname2 = command_pathname[3];
string[] names1 = cpathname1.Split(new char[] { '\\', '.' });
string[] names2 = cpathname2.Split(new char[] { '\\', '.' });
string harddisk1 = "";
string harddisk2 = "";
if (names1[0] == "c:" || names1[0] == "C:")
{
harddisk1 = "disk1.txt";
}
if (names1[0] == "d:" || names1[0] == "D:")
{
harddisk1 = "disk2.txt";
}
if (string.Equals(names1[0], names2[0]))
{
harddisk2 = harddisk1;
}
else
{
if (harddisk1 == "disk1.txt")
{
harddisk2 = "disk2.txt";
}
else
{
harddisk2 = "disk1.txt";
}
}
newfile.DeepCopyFile(command_pathname[1], command_pathname[3], harddisk1, harddisk2);
}
else if (command == "cut")
{
string cpathname1 = command_pathname[1];
string cpathname2 = command_pathname[3];
string[] names1 = cpathname1.Split(new char[] { '\\', '.' });
string[] names2 = cpathname2.Split(new char[] { '\\', '.' });
string harddisk1 = "";
string harddisk2 = "";
int flag = 0;
if (names1[0] == "c:" || names1[0] == "C:")
{
harddisk1 = "disk1.txt";
}
if (names1[0] == "d:" || names1[0] == "D:")
{
harddisk1 = "disk2.txt";
}
if (string.Equals(names1[0], names2[0]))
{
harddisk2 = harddisk1;
flag = 1; //盘内剪切
}
else
{
flag = 2; //盘间剪切
if (harddisk1 == "disk1.txt")
{
harddisk2 = "disk2.txt";
}
else
{
harddisk2 = "disk1.txt";
}
}
if (flag == 1)
{
newfile.CutFile(command_pathname[1], command_pathname[3], harddisk1);
}
if (flag == 2)
{
newfile.DeepCopyFile(command_pathname[1], command_pathname[3], harddisk1, harddisk2);
newfile.DeleteFile(command_pathname[1], harddisk1);
}
}
else
{
MessageBox.Show("无法识别的命令!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
newfile.ReadFile(treeView1, contextMenuStrip1, imageList1);
newfile.DrawDisk(groupBox2, "disk1.txt");
newfile.DrawDisk(groupBox3, "disk2.txt");
textBox_command.Focus();
}
catch
{
MessageBox.Show("!!");
}
}
private void editFileToolStripMenuItem_Click_1(object sender, EventArgs e)
{
found:
OS_Simulation.FileFunction newfile = new OS_Simulation.FileFunction();
string pathname = newfile.GetPathname(treeView1.SelectedNode.FullPath);
string[] pnames = pathname.Split(new char[] { '\\', '.' });
string harddisk = "";
if (pnames[0] == "c:" || pnames[0] == "C:")
{
harddisk = "disk1.txt";
}
if (pnames[0] == "d:" || pnames[0] == "D:")
{
harddisk = "disk2.txt";
}
if (pathname.Length == 2) //在本地C盘和D盘上编辑
{
return;
}
string halfpathname = pathname.Remove(pathname.Length - 6);
char attribute = Convert.ToChar(pnames[pnames.Length - 1]);
int disknum;
UTF8Encoding utf = new UTF8Encoding();
byte[] name = utf.GetBytes(pnames[pnames.Length - 2]);
if (pnames.Length == 3) //例c:\aaa.t
{
disknum = 3;
}
else
{
disknum = newfile.Search(halfpathname, harddisk);
}
int item = newfile.FindItem(disknum, name, attribute, harddisk)[0];
int address = newfile.FindItem(disknum, name, attribute, harddisk)[1];
buffer = newfile.ReadFCB(disknum, item, harddisk); //获取文件的FCB信息
int[] dnums = newfile.FindDiskNumber(buffer.Address, harddisk); //找到文件占用的盘块返回整型数组
FileStream Disk = new FileStream(harddisk, FileMode.Open);
byte[] content = new byte[64 * dnums.Length];
for (int i = 0; i < dnums.Length; i++)
{
Disk.Seek(64 * (dnums[i] - 1), SeekOrigin.Begin);
Disk.Read(content, 64 * i, 64);
}
Disk.Close();
filecontent = utf.GetString(content);
Form_EFile formfile = new Form_EFile(filecontent, buffer.Attribute, buffer.Name);
DialogResult result = formfile.ShowDialog();
if (result == DialogResult.OK && formfile.flag == 1)
{
string newname = "";
if (buffer.Attribute == 2 || buffer.Attribute == 3)
{
newname = utf.GetString(buffer.Name) + ".e";
}
if (newfile.SearchPreNode(treeView1.SelectedNode, newname) == 1 || newfile.SearchNextNode(treeView1.SelectedNode, newname) == 1)
{
return;
}
newfile.DeleteFile(pathname, harddisk); //删除原文件
int[] newdnums = new int[formfile.number];
newdnums = newfile.SearchFAT(formfile.number, harddisk); //寻找空盘块
//修改FCB信息
buffer.Name = formfile.buffer.Name;
buffer.Type = formfile.buffer.Type;
buffer.Attribute = formfile.buffer.Attribute;
buffer.Length = Convert.ToChar(newdnums.Length);
newfile.RecordFileFAT(newdnums, harddisk); //记录FAT
newfile.WriteFile(disknum, item, buffer, harddisk); //把新的FCB信息写入目录项
newfile.WriteContent(newdnums, formfile.filecontent, harddisk); //文件内容写入磁盘
newfile.ReadFile(treeView1, contextMenuStrip1, imageList1);
newfile.DrawDisk(groupBox2, "disk1.txt");
newfile.DrawDisk(groupBox3, "disk2.txt");
}
if (result == DialogResult.OK && formfile.flag == 0)
{
goto found;
}
if (result == DialogResult.Cancel)
{
}
}
