/// <summary>
/// 比较左右两边的内容行，
/// </summary>
private void CompareTwoLines(string left, string right)
{
int i = 0;
for (i = 0; i < left.Length && i < right.Length; i++)
{
if (left[i] == right[i])
{
LeftRichBox.AppendTextColorful(left[i].ToString(), Color.LightGray);
RightRichBox.AppendTextColorful(right[i].ToString(), Color.LightGray);
}
else
{
LeftRichBox.AppendTextColorful(left[i].ToString(), Color.Red);
RightRichBox.AppendTextColorful(right[i].ToString(), Color.Red);
}
}
for (; i < left.Length; i++)
{
LeftRichBox.AppendTextColorful(left[i].ToString(), Color.Red);
}
for (; i < right.Length; i++)
{
RightRichBox.AppendTextColorful(right[i].ToString(), Color.Red);
}
}
/// <summary>
/// 左侧文本编码转换按钮
/// </summary>
private void LeftBtnConvert_Click(object sender, EventArgs e)
{
byte[] content = LeftRichText.ByteData.ToArray();
ListItem li = LeftEncodingBox.SelectedItem as ListItem;
LeftRichBox.Text = "";
LeftRichBox.AppendTextColorful(ConvertToUTF8(Encoding.GetEncoding(li.Value), content), Color.White);
LeftRichText.Lines = LeftRichBox.Text.Split('\n', '\r').ToList();
}
/// <summary>
/// 进行左右文本对比
/// </summary>
private void button1_Click(object sender, EventArgs e)
{
string leftLine = string.Empty;
string rightLine = string.Empty;
LeftRichText.ResetLineIndex();
LeftRichBox.Text = "";
RightRichText.ResetLineIndex();
RightRichBox.Text = "";
bool leftConsumed = true;
bool rightConsumed = true;
do
{
if (leftConsumed)
{
leftLine = LeftRichText.NextLine();
leftConsumed = false;
}
if (rightConsumed)
{
rightLine = RightRichText.NextLine();
rightConsumed = false;
}
// 任何一边读完的就出去，剩下的标红
if (leftLine == null || rightLine == null)
{
break;
}
if (leftLine.Trim() == "")
{
LeftRichBox.AppendText(leftLine);
LeftRichBox.AppendText("\n");
leftConsumed = true;
}
if (rightLine.Trim() == "")
{
RightRichBox.AppendText(rightLine);
RightRichBox.AppendText("\n");
rightConsumed = true;
}
// 对两边的非空白文本进行对比
if (!leftConsumed && !rightConsumed)
{
// 附加空白头
string lefttmp = leftLine.Trim();
LeftRichBox.AppendText(leftLine.Substring(0, leftLine.IndexOf(lefttmp)));
string righttmp = rightLine.Trim();
RightRichBox.AppendText(rightLine.Substring(0, rightLine.IndexOf(righttmp)));
// 对比正文
CompareTwoLines(lefttmp, righttmp);
// 附加空白尾
LeftRichBox.AppendText(leftLine.Substring(leftLine.IndexOf(lefttmp) + lefttmp.Length) + "\n");
RightRichBox.AppendText(rightLine.Substring(rightLine.IndexOf(righttmp) + righttmp.Length) + "\n");
leftConsumed = true;
rightConsumed = true;
}
} while (true);
// 补齐剩下的信息
while (leftLine != null)
{
LeftRichBox.AppendTextColorful(leftLine, Color.Red);
leftLine = LeftRichText.NextLine();
}
while (rightLine != null)
{
RightRichBox.AppendTextColorful(rightLine, Color.Red);
rightLine = RightRichText.NextLine();
}
}
