/// <summary>
/// 逐行读取输入流
/// </summary>
/// <param name="s">输入流</param>
/// <param name="cb">每读取一行的回调处理对象</param>
/// <param name="encoding">字符编码</param>
/// <param name="bz">读取缓冲区大小</param>
/// <returns>返回读取的行数</returns>
public static int ReadStreamByLine(Stream s, OnReadLine cb, Encoding encoding = null, int bz = 0)
{
StreamReader sr;
if (encoding != null)
{
sr = bz > 0 ? new StreamReader(s, encoding, true, bz) : new StreamReader(s, encoding);
}
else
{
sr = new StreamReader(s);
}
int lc = 0;
do
{
string line = sr.ReadLine();
if (line == null)
{
break;
}
lc++;
if (!cb(line))
{
break;
}
}while (!sr.EndOfStream);
return(lc);
}
public void InputTextBox_PreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key.Equals(Key.Return) || e.Key.Equals(Key.Enter))
{
OnReadLine?.Invoke(input_TextBox.Text);
terminalData.Add(input_TextBox.Text);
input_TextBox.Text = "";
}
}
/// <summary>
/// 逐行读取文件
/// </summary>
/// <param name="fileName">文件名</param>
/// <param name="cb">每读取一行的回调处理对象</param>
/// <param name="encoding">字符编码</param>
/// <param name="bz">读取缓冲区大小</param>
/// <returns>返回读取的行数</returns>
public static int ReadFileByLine(string fileName, OnReadLine cb, Encoding encoding = null, int bz = 0)
{
int lc;
FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
try
{
lc = ReadStreamByLine(fs, cb, encoding, bz);
}
finally
{
fs.Close();
}
return(lc);
}
private void KeyEvent(object sender, KeyEventArgs e)
{
if (historyNext && e.KeyCode != Keys.Enter)
{
historyNext = false;
}
if (hideNext)
{
string chr = (new KeysConverter().ConvertToString(e.KeyCode));
hidden.SelectionStart = input.SelectionStart - prefix.Length;
hidden.SelectionLength = input.SelectionLength;
if (chr == "Back")
{
HiddenBackspace();
}
else if (chr.Length == 1)
{
hidden.Text += chr;
input.Text += "X";
e.SuppressKeyPress = true;
input.Select(input.Text.Length, 0);
}
else
{
e.SuppressKeyPress = true;
input.Select(input.Text.Length, 0);
}
}
if (e.KeyCode == Keys.Enter)
{
string command = input.Text.Substring(prefix.Length);
if (!hideNext && !choiceMode && !ignoreNext && !command.StartsWith("set pin "))
{
history.Add(command);
if (!historyNext)
{
hIndex = history.Count;
}
else
{
historyNext = false;
}
prevCommand = command;
}
if (hideNext)
{
tempText = hidden.Text;
hidden = new TextBox();
hideNext = false;
}
else
{
tempText = command;
}
ReadLineEventArgs args = new ReadLineEventArgs(command);
if (!choiceMode && !ignoreNext)
{
OnReadLine?.Invoke(this, args);
}
if (ignoreNext)
{
ignoreNext = false;
}
input.Clear();
input.Text = String.Empty;
input.Text = prefix;
input.Select(input.Text.Length, 0);
input.Text = input.Text.Replace("\r\n", String.Empty);
input.Text = input.Text.Trim();
e.SuppressKeyPress = true;
}
if (e.KeyCode == Keys.Back || e.KeyCode == Keys.Left)
{
if (input.SelectionStart <= prefix.Length)
{
e.SuppressKeyPress = true;
}
}
if (e.KeyCode == Keys.Home && !hideNext)
{
input.Select(prefix.Length, 0);
e.SuppressKeyPress = true;
}
if (e.KeyCode == Keys.Up && !hideNext)
{
if (hIndex > 0)
{
hIndex -= 1;
}
if (hIndex != -1)
{
LoadHistory();
}
}
if (e.KeyCode == Keys.Down && !hideNext)
{
if ((hIndex + 1) == history.Count)
{
hIndex += 1;
}
if (hIndex >= history.Count)
{
input.Text = prefix;
input.Select(input.Text.Length, 0);
return;
}
hIndex += 1;
LoadHistory();
}
}
