// 二分法
// 根据给出的Key得到Value
// return:
// -1 not found
public int Search(string strKeyParam,
out string strValue)
{
strValue = "";
int k; // 区间左
int m; // 区间右
int j = -1; // 区间中
string strKey;
int nComp;
k = 0;
m = (int)this.Count - 1;
while (k <= m)
{
j = (k + m) / 2;
// 取得j位置的值
CharsetItem item = (CharsetItem)this[j];
strKey = item.Name;
nComp = String.Compare(strKey, strKeyParam);
if (nComp == 0)
{
strValue = item.Value;
break;
}
if (nComp > 0)
{ // strKeyParam较小
m = j - 1;
}
else
{
k = j + 1;
}
}
if (k > m)
{
return(-1); // not found
}
return(j);
}
int BuildCharsetTable(out string strError)
{
strError = "";
CharsetTable charsettable_e2u = new CharsetTable();
CharsetTable charsettable_u2e = new CharsetTable();
charsettable_e2u.Open(true);
charsettable_u2e.Open(true);
if (this.textBox_unihanFilenames.Text == "")
{
strError = "尚未指定输入文件名";
return(-1);
}
stop.OnStop += new StopEventHandler(this.DoStop);
stop.SetMessage("正在创建码表文件 ...");
stop.BeginLoop();
EnableControls(false);
this.Update();
this.MainForm.Update();
try
{
for (int i = 0; i < this.textBox_unihanFilenames.Lines.Length; i++)
{
StreamReader sr = null;
try
{
sr = new StreamReader(this.textBox_unihanFilenames.Lines[i]);
}
catch (Exception ex)
{
strError = "文件 " + this.textBox_unihanFilenames.Lines[i] + " 打开失败: " + ex.Message;
return(-1);
}
this.MainForm.ToolStripProgressBar.Minimum = 0;
this.MainForm.ToolStripProgressBar.Maximum = (int)sr.BaseStream.Length;
this.MainForm.ToolStripProgressBar.Value = 0;
try
{
for (; ;)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return(-1);
}
}
string strLine = sr.ReadLine();
if (strLine == null)
{
break;
}
if (strLine.Length < 1)
{
goto CONTINUE;
}
// 注释行
if (strLine[0] == '#')
{
goto CONTINUE;
}
int nRet = strLine.IndexOf("\t", 0);
if (nRet == -1)
{
goto CONTINUE; // 格式有问题
}
string strPart1 = strLine.Substring(0, nRet).Trim();
strLine = strLine.Substring(nRet + 1);
nRet = strLine.IndexOf("\t", 0);
if (nRet == -1)
{
goto CONTINUE; // 格式有问题
}
string strPart2 = strLine.Substring(0, nRet).Trim();
string strPart3 = strLine.Substring(nRet + 1).Trim();
strPart1 = strPart1.Substring(2); // 去掉'U+'
if (strPart2 != "kEACC")
{
goto CONTINUE; // 不相关的行
}
strLine = strPart1 + "\t" + strPart3;
CharsetItem item = new CharsetItem();
item.Content = strLine;
charsettable_u2e.Add(item);
strLine = strPart3 + "\t" + strPart1;
item = new CharsetItem();
item.Content = strLine;
charsettable_e2u.Add(item); // ANSI字符集
stop.SetMessage(strLine);
CONTINUE:
// 显示进度条
this.MainForm.ToolStripProgressBar.Value = (int)sr.BaseStream.Position;
}
}
finally
{
sr.Close();
}
}
stop.SetMessage("正在复制和排序...");
string strDataFileName = "";
string strIndexFileName = "";
if (String.IsNullOrEmpty(this.textBox_e2uFilename.Text) == false)
{
charsettable_e2u.Sort();
charsettable_e2u.Detach(out strDataFileName,
out strIndexFileName);
File.Delete(this.textBox_e2uFilename.Text);
File.Move(strDataFileName,
this.textBox_e2uFilename.Text);
File.Delete(this.textBox_e2uFilename.Text + ".index");
File.Move(strIndexFileName,
this.textBox_e2uFilename.Text + ".index");
}
//
if (String.IsNullOrEmpty(this.textBox_u2eFilename.Text) == false)
{
charsettable_u2e.Sort();
charsettable_u2e.Detach(out strDataFileName,
out strIndexFileName);
File.Delete(this.textBox_u2eFilename.Text);
File.Move(strDataFileName,
this.textBox_u2eFilename.Text);
File.Delete(this.textBox_u2eFilename.Text + ".index");
File.Move(strIndexFileName,
this.textBox_u2eFilename.Text + ".index");
}
}
finally
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
EnableControls(true);
}
return(0);
}
// 实现IComparable接口的CompareTo()方法,
// 根据ID比较两个对象的大小，以便排序，
// 按右对齐方式比较
// obj: An object to compare with this instance
// 返回值 A 32-bit signed integer that indicates the relative order of the comparands. The return value has these meanings:
// Less than zero: This instance is less than obj.
// Zero: This instance is equal to obj.
// Greater than zero: This instance is greater than obj.
// 异常: ArgumentException,obj is not the same type as this instance.
public override int CompareTo(object obj)
{
CharsetItem item = (CharsetItem)obj;
return(String.Compare(this.Name, item.Name));
}
int BuildCharsetTable(out string strError)
{
strError = "";
CharsetTable charsettable_e2u = new CharsetTable();
charsettable_e2u.Open(true);
if (this.textBox_unihanFilenames.Text == "")
{
strError = "尚未指定输入文件名";
return -1;
}
stop.OnStop += new StopEventHandler(this.DoStop);
stop.SetMessage("正在创建码表文件 ...");
stop.BeginLoop();
EnableControls(false);
this.Update();
this.MainForm.Update();
try
{
int nRet = 0;
for (int i = 0; i < this.textBox_unihanFilenames.Lines.Length; i++)
{
string strSourceFileName = this.textBox_unihanFilenames.Lines[i];
if (String.IsNullOrEmpty(strSourceFileName) == true)
continue;
string strStyle = "";
nRet = strSourceFileName.IndexOf(" ");
if (nRet != -1)
{
strStyle = strSourceFileName.Substring(nRet + 1).Trim();
strSourceFileName = strSourceFileName.Substring(0, nRet).Trim();
}
StreamReader sr = null;
try
{
sr = new StreamReader(strSourceFileName);
}
catch (Exception ex)
{
strError = "文件 " + strSourceFileName + " 打开失败: " + ex.Message;
return -1;
}
this.MainForm.ToolStripProgressBar.Minimum = 0;
this.MainForm.ToolStripProgressBar.Maximum = (int)sr.BaseStream.Length;
this.MainForm.ToolStripProgressBar.Value = 0;
try
{
for (; ; )
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return -1;
}
}
string strLine = sr.ReadLine();
if (strLine == null)
break;
if (strLine.Length < 1)
goto CONTINUE;
// 注释行
if (strLine[0] == '#')
goto CONTINUE;
if (String.IsNullOrEmpty(strStyle) == true)
{
nRet = strLine.IndexOf("\t", 0);
if (nRet == -1)
goto CONTINUE; // 格式有问题
string strPart1 = strLine.Substring(0, nRet).Trim().ToUpper();
strLine = strLine.Substring(nRet + 1);
nRet = strLine.IndexOf("\t", 0);
if (nRet == -1)
goto CONTINUE; // 格式有问题
string strPart2 = strLine.Substring(0, nRet).Trim();
string strPart3 = strLine.Substring(nRet + 1).Trim().ToUpper();
strPart1 = strPart1.Substring(2); // 去掉'U+'
if (strPart2 != "kEACC")
goto CONTINUE; // 不相关的行
strLine = strPart1 + "\t" + strPart3;
CharsetItem item = new CharsetItem();
item.Content = strLine;
charsettable_e2u.Add(item); // charsettable_u2e.Add(item);
strLine = strPart3 + "\t" + strPart1;
item = new CharsetItem();
item.Content = strLine;
charsettable_e2u.Add(item); //charsettable_e2u.Add(item); // ANSI字符集
stop.SetMessage(strLine.Replace("\t", " "));
}
if (strStyle == "6+4")
{
nRet = strLine.IndexOfAny(new char[] { '\t', ' ' }, 0);
if (nRet == -1)
goto CONTINUE; // 格式有问题
string strPart1 = strLine.Substring(0, nRet).Trim().ToUpper();
string strPart2 = strLine.Substring(nRet + 1).Trim().ToUpper();
CharsetItem item = new CharsetItem();
strLine = strPart1 + "\t" + strPart2;
item.Content = strLine;
charsettable_e2u.Add(item); // charsettable_u2e.Add(item);
item = new CharsetItem();
strLine = strPart2 + "\t" + strPart1;
item.Content = strLine;
charsettable_e2u.Add(item); //charsettable_e2u.Add(item); // ANSI字符集
stop.SetMessage(strLine.Replace("\t", " "));
}
CONTINUE:
// 显示进度条
this.MainForm.ToolStripProgressBar.Value = (int)sr.BaseStream.Position;
}
}
finally
{
sr.Close();
}
}
stop.SetMessage("正在复制和排序...");
this.Update();
this.MainForm.Update();
string strDataFileName = "";
string strIndexFileName = "";
if (String.IsNullOrEmpty(this.textBox_e2uFilename.Text) == false)
{
charsettable_e2u.Sort();
charsettable_e2u.Detach(out strDataFileName,
out strIndexFileName);
File.Delete(this.textBox_e2uFilename.Text);
File.Move(strDataFileName,
this.textBox_e2uFilename.Text);
File.Delete(this.textBox_e2uFilename.Text + ".index");
File.Move(strIndexFileName,
this.textBox_e2uFilename.Text + ".index");
}
}
finally
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
EnableControls(true);
}
return 0;
}
