private void FixCursorPosition(bool back)
{
if (UHelper.IsChinesePart(Coder.CodeManager.GetCodeData(mCursor.Row), mCursor.Col))
{
if (back)
{
mCursor.Col--;
}
else
{
mCursor.Col++;
}
}
if (mCursor.Col < mRenderStartCol)
{
mRenderStartCol = mCursor.Col;
}
if (mCursor.Col >= mRenderStartCol + mRenderSize.Col)
{
mRenderStartCol = mCursor.Col - mRenderSize.Col + 1;
}
if (mCursor.Row < mRenderStartRow)
{
mRenderStartRow = mCursor.Row;
}
if (mCursor.Row > mRenderStartRow + mRenderSize.Row)
{
mRenderStartRow = mCursor.Row - mRenderSize.Row + 1;
}
}
/// <summary>
/// 删除指定位置的一个字符
/// </summary>
/// <param name="pos">开始位置</param>
public void RemoveCharacter(URank pos)
{
if (pos.Row < 0 || pos.Row >= mCodeData.Count)
{
throw new Exception("RemoveCharacter : Row Invalid {" + pos.Row.ToString() + "}");
}
if (pos.Col < 0 || pos.Col >= mCodeData[pos.Row].Count)
{
throw new Exception("RemoveCharacter : Col Invalid {" + pos.Col.ToString() + "}");
}
if (UHelper.IsChinesePart(mCodeData[pos.Row].ToArray(), pos.Col))
{
mCodeData[pos.Row].RemoveRange(pos.Col - 1, 2);
mCoder.SetCursorPos(new URank(pos.Row, pos.Col - 2));
}
else
{
mCodeData[pos.Row].RemoveAt(pos.Col);
mCoder.SetCursorPos(new URank(pos.Row, pos.Col));
}
mCodeLines[pos.Row] = mParser.ParseLine(pos.Row);
}
private void 另存为AToolStripMenuItem_Click(object sender, EventArgs e)
{
if (mCurrFile == string.Empty)
{
return;
}
saveFileDialog1.Filter = "文本文件(*.txt)|*.txt";
saveFileDialog1.FileName = string.Empty;
saveFileDialog1.Title = "另存为";
if (saveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
StreamWriter fp = new StreamWriter(saveFileDialog1.FileName, false, Encoding.Default);
mCurrFile = saveFileDialog1.FileName;
int len = coder.CodeManager.GetCodeCount();
for (int i = 0; i < len; i++)
{
fp.WriteLine(UHelper.GetStringByBytes(coder.CodeManager.GetCodeData(i)));
}
fp.Close();
fp.Dispose();
MessageBox.Show(saveFileDialog1.FileName + "\r\n另存为成功");
}
}
private void RenderCodeCut(IRenderer renderer, float x, float y, UCodeCut cut)
{
try
{
if (cut.CutType == UCutType.Space || cut.CutType == UCutType.NewLine)
{
return;
}
renderer.DrawText(x, y, cut.Data, cut.CutType.CutColor);
if (cut.CutType == UCutType.Error)
{
renderer.DrawDash(
new UPoint((int)x, (int)(y + renderer.CharHeight)),
new UPoint((int)(x + UHelper.GetAbsoluteLength(cut.Data) * renderer.CharWidth),
(int)(y + renderer.CharHeight)),
UColor.Red);
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 返回指定位置指定长度的字符串
/// </summary>
/// <param name="pos"></param>
/// <param name="len"></param>
/// <returns></returns>
public string GetCodeString(URank pos, int len)
{
if (pos.Row < 0 || pos.Row >= mCodeData.Count)
{
throw new Exception("GetCodeString : Row Invalid {" + pos.Row.ToString() + "}");
}
if (pos.Col < 0 || pos.Col + len >= mCodeData[pos.Row].Count)
{
throw new Exception("GetCodeString : Col Invalid {" + pos.Col.ToString() + "}");
}
return(UHelper.GetStringByBytes(mCodeData[pos.Row].GetRange(pos.Col, len).ToArray()));
}
/// <summary>
/// 返回指定区域的字符串
/// </summary>
/// <param name="start">开始位置</param>
/// <param name="end">结束位置</param>
/// <returns></returns>
public string GetCodeString(URank start, URank end)
{
try
{
StringBuilder sb = new StringBuilder();
List <byte> lineByte = new List <byte>();
int startRow = start.Row;
int startCol = start.Col;
int endRow = end.Row;
int endCol = end.Col;
if (start == end)
{
return(GetCodeString(start, endCol - startCol));
}
// 复制第一行
int len = GetCodeLength(startRow);
for (int i = startCol; i < len; i++)
{
lineByte.Add(GetCodeByte(new URank(startRow, i)));
}
sb.Append(UHelper.GetStringByBytes(lineByte.ToArray()));
// 复制中间部分
for (int i = startRow + 1; i < endRow; i++)
{
sb.Append(UHelper.GetStringByBytes(mCodeData[i].ToArray()));
}
lineByte.Clear();
// 复制最后一行
for (int i = 0; i < endCol; i++)
{
lineByte.Add(GetCodeByte(new URank(endRow, i)));
}
sb.Append(UHelper.GetStringByBytes(lineByte.ToArray()));
return(sb.ToString());
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 选中当前匹配项
/// </summary>
public void Selected()
{
if (mMatchingResult.Count > 0)
{
string inputString = Coder.CodeManager.GetCodeCut(new URank(Coder.CursorRow, Coder.CursorCol - 1)).Data;
ReplaceStringCommand rsc = new ReplaceStringCommand(
Coder.CodeManager,
new URank(Coder.CursorRow, Coder.CursorCol - UHelper.GetAbsoluteLength(inputString)),
UHelper.GetAbsoluteLength(inputString),
mMatchingResult[mSelectIndex]);
Coder.CodeManager.Execute(rsc);
Reset();
}
}
/// <summary>
/// 在指定位置插入一个字符串
/// </summary>
/// <param name="pos">开始位置</param>
/// <param name="text">要插入的字符串</param>
public void InsertString(URank pos, string str)
{
if (pos.Row < 0 || pos.Row >= mCodeData.Count)
{
throw new Exception("InsertString : Row Invalid {" + pos.Row.ToString() + "}");
}
if (pos.Col < 0 || pos.Col >= mCodeData[pos.Row].Count)
{
throw new Exception("InsertString : Col Invalid {" + pos.Col.ToString() + "}");
}
mCodeData[pos.Row].InsertRange(pos.Col, UHelper.GetBytesByString(str));
mCodeLines[pos.Row] = mParser.ParseLine(pos.Row);
mCoder.SetCursorPos(new URank(pos.Row, pos.Col + UHelper.GetAbsoluteLength(str)));
}
public void AddCut(UCodeCut cut)
{
int len = UHelper.GetAbsoluteLength(cut.Data);
if (HasVisibleCharacter == false && cut.CutType == UCutType.Space)
{
VisibleStartCol = VisibleStartCol + len;// UHelper.GetAbsoluteLength(cut.Data);
}
else
{
if (cut.CutType != UCutType.NewLine)
{
HasVisibleCharacter = true;
}
}
mCutStartColList.Add(mCutStartCol);
mCuts.Add(cut);
mCutStartCol += len;// UHelper.GetAbsoluteLength(cut.Data);
}
/// <summary>
/// 载入文件
/// </summary>
/// <param name="filePath">文件路径</param>
public void LoadFile(string filePath)
{
try
{
mCodeData.Clear();
GC.Collect();
StreamReader fp = new StreamReader(filePath, Encoding.Default);
string line = string.Empty;
while (!fp.EndOfStream)
{
line = fp.ReadLine();
if (line == string.Empty || line[line.Length - 1] != '\n')
{
line += '\n';
}
List <byte> lineData = new List <byte>();
lineData.AddRange(UHelper.TanslateString(line));
mCodeData.Add(lineData);
}
fp.Close();
fp.Dispose();
if (mCodeData.Count == 0)
{
List <byte> oneLine = new List <byte>();
oneLine.Add(UConfig.NewLine);
mCodeData.Add(oneLine);
}
}
catch (Exception ex)
{
throw ex;
}
}
public InsertRangeStringCommand(UCodeManager codeManager, URank start, string insertString)
{
this.mCodeManager = codeManager;
this.mStart = start;
this.mEnd = start;
this.mInsertString = insertString;
byte[] data = UHelper.TanslateString(insertString);
for (int i = 0; i < data.Length; i++)
{
if (data[i] == UConfig.NewLine)
{
this.mEnd.Row++;
this.mEnd.Col = 0;
continue;
}
this.mEnd.Col++;
}
}
private void 保存SToolStripMenuItem_Click(object sender, EventArgs e)
{
if (mCurrFile == string.Empty)
{
return;
}
StreamWriter fp = new StreamWriter(mCurrFile, false, Encoding.Default);
int len = coder.CodeManager.GetCodeCount();
for (int i = 0; i < len; i++)
{
fp.WriteLine(UHelper.GetStringByBytes(coder.CodeManager.GetCodeData(i)));
}
fp.Close();
fp.Dispose();
MessageBox.Show(mCurrFile + "\r\n保存成功");
}
/// <summary>
/// 插入多行字符串
/// </summary>
/// <param name="start">开始位置</param>
/// <param name="rangeStr">字符串</param>
public void InsertRangeString(URank start, string rangeStr)
{
int row = start.Row;
int col = start.Col;
byte[] data = UHelper.TanslateString(rangeStr);
for (int i = 0; i < data.Length; i++)
{
mCodeData[row].Insert(col, data[i]);
col++;
if (data[i] == UConfig.NewLine)
{
// 遇到换行符，首先剪切之后的数据到下一行
List <byte> newLine = new List <byte>();
for (int n = col; n < mCodeData[row].Count; n++)
{
newLine.Add(mCodeData[row][n]);
}
mCodeData[row].RemoveRange(col, mCodeData[row].Count - col);
mCodeLines[row] = mParser.ParseLine(row);
row++;
col = 0;
mCodeData.Insert(row, newLine);
mCodeLines.Insert(row, new UCodeLine());
mCodeLines[row] = mParser.ParseLine(row);
continue;
}
}
mCodeLines[row] = mParser.ParseLine(row);
mCoder.SetCursorPos(new URank(row, col));
}
private void RenderCodeLine(IRenderer renderer, float x, float y, UCodeLine line)
{
try
{
float renderX = x;
int count = line.GetCutCount();
for (int i = 0; i < count; i++)
{
UCodeCut cut = line.GetCutByIndex(i);
RenderCodeCut(renderer, renderX, y, cut);
renderX = renderX + UHelper.GetAbsoluteLength(cut.Data) * renderer.CharWidth;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 返回下一个代码切块
/// </summary>
/// <returns></returns>
public UCodeCut GetNextCut()
{
try
{
UCodeCut cut = new UCodeCut();
List <byte> cutData = new List <byte>();
byte b;
UCutType currType = UCutType.None;
bool inString = false; // 是否解析字符串
if (EndOfCode == true)
{
cut.CutType = UCutType.End;
return(cut);
}
while (!EndOfCode)
{
b = GetNextByte();
cutData.Add(b);
#region UCutType.None
if (currType == UCutType.None)
{
if (b == UConfig.Space)
{
currType = UCutType.Space;
continue;
}
if (b == UConfig.Tab)
{
currType = UCutType.Tab;
break;
}
if (b == UConfig.DoubleQuote)
{
currType = UCutType.String;
inString = true;
continue;
}
if (b == UConfig.NewLine)
{
currType = UCutType.NewLine;
// 跳过回车符
if (PeekNextByte() == UConfig.Enter)
{
GetNextByte();
}
break;
}
if (b == UConfig.BackSlash)
{
if (PeekNextByte() == UConfig.BackSlash)
{
currType = UCutType.Annotation;
continue;
}
}
if (UHelper.IsSymbol(b))
{
currType = UCutType.Symbol;
break;
}
if (UHelper.IsCharacter(b))
{
currType = UCutType.Normal;
continue;
}
if (UHelper.IsDigit(b))
{
currType = UCutType.Digit;
continue;
}
}
#endregion
#region UCutType.Normal
if (currType == UCutType.Normal)
{
if (UHelper.IsCutEnd(b))
{
BackToLastByte();
cutData.RemoveAt(cutData.Count - 1);
break;
}
}
#endregion
#region UCutType.String
if (currType == UCutType.String)
{
if (b == UConfig.NewLine)
{
BackToLastByte();
currType = UCutType.Normal;
break;
}
if (b == UConfig.DoubleQuote)
{
inString = false;
break;
}
if (b == UConfig.Slash)
{
// 添加 \ 后的字符
if (inString)
{
//ch = (char)GetNextChar();
//cutData.Add((byte)ch);
cutData.Add(GetNextByte());
continue;
}
}
}
#endregion
#region UCutType.Space
if (currType == UCutType.Space)
{
if (b != UConfig.Space)
{
BackToLastByte();
cutData.RemoveAt(cutData.Count - 1);
break;
}
}
#endregion
#region UCutType.Digit
if (currType == UCutType.Digit)
{
if (UHelper.IsCutEnd(b))
{
BackToLastByte();
cutData.RemoveAt(cutData.Count - 1);
break;
}
if (!UHelper.IsDigit(b))
{
BackToLastByte();
cutData.RemoveAt(cutData.Count - 1);
break;
}
}
#endregion
#region UCutType.Annotation
if (currType == UCutType.Annotation)
{
if (b == UConfig.NewLine)
{
BackToLastByte();
cutData.RemoveAt(cutData.Count - 1);
break;
}
}
#endregion
}
cut.CutType = currType;
// 替换Tab为Space
if (currType == UCutType.Tab)
{
cut.Data = UConfig.TabString;
}
else
{
cut.Data = UHelper.GetStringByBytes(cutData.ToArray());
}
return(ParseCodeCutType(cut));
}
catch (Exception ex)
{
throw ex;
}
}
// 分析cut的类型
private UCodeCut ParseCodeCutType(UCodeCut cut)
{
// 如果上一个Cut是错误的，之后都是错误
if (LastCut1.CutType == UCutType.Error)
{
cut.CutType = UCutType.Error;
return(cut);
}
// 如果是普通的一段文本，判断是否为关键字
if (cut.CutType == UCutType.Normal)
{
if (UHelper.IsKeyWord(cut.Data))
{
cut.CutType = UCutType.KeyWord;
// 新版：设置不同关键字的颜色
cut.CutType.CutColor = UHelper.GetKeyWordColor(cut.Data);
}
}
// 如果是以关键字开头，空格结尾，那么检查是否为类定义符
if (LastCut2.CutType == UCutType.KeyWord && LastCut1.CutType == UCutType.Space)
{
// 类的定义
if (LastCut2.Data == UConfig.ClassString)
{
cut.CutType = UCutType.ClassName;
foreach (string str in UConfig.KeyWords)
{
if (str == cut.Data)
{
cut.CutType = UCutType.Error;
break;
}
}
}
}
else if (LastCut1.CutType == UCutType.Space)
{
// 函数名和变量的定义
foreach (string str in UConfig.VariableType)
{
if (str == LastCut2.Data)
{
if (PeekNextByte() == (byte)'(')
{
cut.CutType = UCutType.FunctionName;
}
else
{
cut.CutType = UCutType.VariableName;
}
foreach (string s in UConfig.KeyWords)
{
if (s == cut.Data)
{
cut.CutType = UCutType.Error;
break;
}
}
break;
}
}
}
// 引用类型，直接赋值是地址
//LastCut2 = LastCut1;
//LastCut1 = cut;
LastCut2 = new UCodeCut(LastCut1);
LastCut1 = new UCodeCut(cut);
return(cut);
}
public void KeyDown(UKeyEvents e)
{
if (mIsBlankWindow)
{
return;
}
switch (e.KeyCode)
{
case UKeys.Left:
mCodeRenderer.DecreaseCursorCol();
mIntelligentSence.Reset();
return;
case UKeys.Right:
mCodeRenderer.IncreaseCursorCol();
mIntelligentSence.Reset();
return;
case UKeys.Up:
if (mIntelligentSence.HasMatching)
{
mIntelligentSence.DecreaseIndex();
}
else
{
mCodeRenderer.DecreaseCursorRow();
}
return;
case UKeys.Down:
if (mIntelligentSence.HasMatching)
{
mIntelligentSence.IncreaseIndex();
}
else
{
mCodeRenderer.IncreaseCursorRow();
}
return;
case UKeys.Back:
// 删除键是删除鼠标前一个位置的字符
if (mSelection.HasSelection)
{
RemoveSelection();
return;
}
if (mCodeRenderer.CursorCol == 0) // 在行首删除，合并当上一行
{
if (mCodeRenderer.CursorRow > 0)
{
RemoveNewlineByteCommand rnc = new RemoveNewlineByteCommand(
mCodeManager,
new URank(mCodeRenderer.CursorRow - 1,
mCodeManager.GetCodeLength(mCodeRenderer.CursorRow - 1) - 1));
mCodeManager.Execute(rnc);
}
}
else
{
RemoveCharacterCommand rcc = new RemoveCharacterCommand(
mCodeManager,
new URank(mCodeRenderer.CursorRow, mCodeRenderer.CursorCol - 1));
mCodeManager.Execute(rcc);
}
return;
case UKeys.Space:
{
// 这里不要return，留到下面处理space添加一个空格
if (mIntelligentSence.HasMatching)
{
mIntelligentSence.Selected();
}
else if (mSelection.HasSelection)
{
RemoveSelection();
}
}
break;
case UKeys.Enter:
{
if (mIntelligentSence.HasMatching)
{
mIntelligentSence.Selected();
return;
}
URank pos = mCodeRenderer.GetCursorPos();
InsertNewLineByteCommand inc = new InsertNewLineByteCommand(mCodeManager, pos);
mCodeManager.Execute(inc);
// 缩进处理
// 计算新的一行需要额外填充的空格
// 从上一行的可见字符开始
int padSpaceCount = mCodeManager.GetCodeLine(pos.Row).VisibleStartCol;
// 按回车后，检查是否是在“{”或“}”后按的回车
if (pos.Col - 1 >= 0)
{
byte lastByte = mCodeManager.GetCodeData(pos.Row)[pos.Col - 1]; // 最后一个字符是回车，所以应该减一
// 如果是左括号“{”
if (lastByte == UConfig.LBracket)
{
padSpaceCount += UConfig.TabNumberOfSpace;
}
}
if (padSpaceCount > 0)
{
// 如果只是在一行的空白部分中间按下回车
// 那么padSpaceCount = 上一行的空白部分
// 并且新的一行本身就包含了一部分
// 加起来刚好
byte[] spaceBytes = new byte[padSpaceCount];
for (int i = 0; i < padSpaceCount; i++)
{
spaceBytes[i] = UConfig.Space;
}
InsertStringCommand isc = new InsertStringCommand(mCodeManager, new URank(pos.Row + 1, 0), UHelper.GetStringByBytes(spaceBytes));
mCodeManager.Execute(isc);
}
return;
}
case UKeys.A:
if (e.Ctrl)
{
SelectAll();
return;
}
break;
case UKeys.C:
if (e.Ctrl)
{
Copy();
return;
}
break;
case UKeys.V:
if (e.Ctrl)
{
Paste();
return;
}
break;
case UKeys.X:
if (e.Ctrl)
{
Cut();
return;
}
break;
case UKeys.Y:
if (e.Ctrl)
{
mCodeManager.Redo();
return;
}
break;
case UKeys.Z:
if (e.Ctrl)
{
mCodeManager.Undo();
return;
}
break;
default:
break;
}
char ch = UHelper.ParseKey(e);
if (ch == (char)0)
{
return;
}
if (mSelection.HasSelection)
{
RemoveSelection();
}
InsertCharacterCommand iccd = new InsertCharacterCommand(mCodeManager, mCodeRenderer.GetCursorPos(), (byte)ch);
mCodeManager.Execute(iccd);
// 如果输入的字符是“}”，那么缩进一个Tab
// 处理输入字符“{”，是在按回车处理
if ((byte)ch == UConfig.RBracket)
{
URank pos = mCodeRenderer.GetCursorPos();
int visibleStartCol = mCodeManager.GetCodeLine(pos.Row).VisibleStartCol;
if (visibleStartCol >= UConfig.TabNumberOfSpace)
{
// 缩进一个Tab，先找到最靠近第一个可见字符的空白字符，然后删除往前的空格
RemoveStringCommand rsc = new RemoveStringCommand(
mCodeManager,
new URank(pos.Row, visibleStartCol - UConfig.TabNumberOfSpace),
UConfig.TabNumberOfSpace);
mCodeManager.Execute(rsc);
mCodeRenderer.SetCursorPos(
new URank(
pos.Row,
mCodeManager.GetCodeLength(pos.Row) - 1));
}
}
}
public void Undo()
{
mCodeManager.RemoveString(mPosition, UHelper.GetAbsoluteLength(mInsertString));
}