private TextSpan GetCommentTextSpanAtCurrentCaret()
{
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
if (textView != null)
{
int line, col;
textView.GetCursorPositon(out line, out col);
int topIndex = line;
int bottomIndex = line;
string topLineText = textView.GetOneLineText(topIndex);
while (!string.IsNullOrEmpty(topLineText) && topLineText.Trim().StartsWith("///"))
{
topIndex--;
topLineText = textView.GetOneLineText(topIndex);
}
string bottomLineText = textView.GetOneLineText(bottomIndex);
while (!string.IsNullOrEmpty(topLineText) && bottomLineText.Trim().StartsWith("///"))
{
bottomIndex++;
bottomLineText = textView.GetOneLineText(bottomIndex);
}
return new TextSpan() { iStartLine = topIndex, iEndLine = bottomIndex };
}
return new TextSpan() { iStartLine = -1, iEndLine = -1 };
}
public List <int> GetBlankLiens(VSTextView textView)
{
List <int> lines = new List <int>();
int allLines = textView.GetLines();
for (int i = 0; i < allLines; i++)
{
if (string.IsNullOrEmpty(textView.GetOneLineText(i).Trim()))
{
lines.Add(i);
}
}
return(lines);
}
/// <summary>
/// 寻找所有的region，不包含层级关系
/// </summary>
/// <param name="classElement"></param>
/// <returns></returns>
public List <RegionElement> GetAllRegionsInClass(CodeElement classElement)
{
List <RegionElement> allRegions = new List <RegionElement>();
int currentLine = classElement.StartPoint.Line - 1;
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
//使用栈来寻找可能嵌套的region
Stack <int> stack = new Stack <int>();
while (currentLine <= classElement.EndPoint.Line)
{
string region = textView.GetOneLineText(currentLine);
if (region != null)
{
if (region.TrimStart().StartsWith("#region"))
{
stack.Push(currentLine);
}
if (region.TrimStart().StartsWith("#endregion"))
{
RegionElement textSpan = new RegionElement();
if (stack.Count != 0)
{
textSpan.StartLine = stack.Pop();
textSpan.EndLine = currentLine;
textSpan.Level = stack.Count + 1;
textSpan.RegionName = textView.GetOneLineText(textSpan.StartLine).Trim()
.Replace("#region ", "").Replace("\r\n", "");
allRegions.Add(textSpan);
}
}
}
currentLine++;
}
return(allRegions);
}
protected override void OnExecute(Microsoft.VisualStudio.Shell.OleMenuCommand command)
{
TextSelection selection = VSTextView.ActiveTextSelection;
if (selection != null)
{
string selectedText = selection.Text;
if (string.IsNullOrEmpty(selectedText))
{
VSTextView view = new VSTextView(VSTextView.ActiveTextView);
if (view != null)
{
selectedText = view.GetOneLineText(selection.TopPoint.Line - 1);
view.InsertText(selectedText, selection.TopPoint.Line, 0);
}
}
else
{
selection.Insert(selectedText + "\n" + selectedText);
}
}
}
private int GetInsertPosition(VSTextView textView, int curLineIndex, int curColumnIndex)
{
//在鼠标之前的第一个空格的地方插入
int col = curColumnIndex;
string text = textView.GetOneLineText(curLineIndex);
while (text[col] != ' ')
{
col--;
}
return col;
}
private static void SelectCurrentLine()
{
VSTextView text = new VSTextView(VSTextView.ActiveTextView);
if (text != null)
{
int line = 0;
int col = 0;
text.GetCursorPositon(out line, out col);
text.SelectText(line, 0, line, text.GetOneLineText(line).Length);
}
}
public List<int> GetBlankLiens(VSTextView textView)
{
List<int> lines = new List<int>();
int allLines = textView.GetLines();
for (int i = 0; i < allLines; i++)
{
if (string.IsNullOrEmpty(textView.GetOneLineText(i).Trim()))
{
lines.Add(i);
}
}
return lines;
}
/// <summary>
/// 寻找所有的region，不包含层级关系
/// </summary>
/// <param name="classElement"></param>
/// <returns></returns>
public List<RegionElement> GetAllRegionsInClass(CodeElement classElement)
{
List<RegionElement> allRegions = new List<RegionElement>();
int currentLine = classElement.StartPoint.Line - 1;
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
//使用栈来寻找可能嵌套的region
Stack<int> stack = new Stack<int>();
while (currentLine <= classElement.EndPoint.Line)
{
string region = textView.GetOneLineText(currentLine);
if (region != null)
{
if (region.TrimStart().StartsWith("#region"))
{
stack.Push(currentLine);
}
if (region.TrimStart().StartsWith("#endregion"))
{
RegionElement textSpan = new RegionElement();
if (stack.Count != 0)
{
textSpan.StartLine = stack.Pop();
textSpan.EndLine = currentLine;
textSpan.Level = stack.Count + 1;
textSpan.RegionName = textView.GetOneLineText(textSpan.StartLine).Trim()
.Replace("#region ", "").Replace("\r\n", "");
allRegions.Add(textSpan);
}
}
}
currentLine++;
}
return allRegions;
}
/// <summary>
/// 获得类体开始的行数
/// </summary>
/// <param name="textView"></param>
/// <param name="element"></param>
/// <returns></returns>
private int GetElementBodyStartLine(VSTextView textView, CodeElement element)
{
int line = element.StartPoint.Line;
int start = line;
while (start < textView.GetLines())
{
if (textView.GetOneLineText(start).TrimStart().StartsWith("{"))
{
line = ++start;
break;
}
start++;
}
return line;
}
private int CutRegionFlag(VSTextView textView, int topStart, int methodStart)
{
//这里要从下面往上找，不能从上往下找否则找到的第一个后面可能还会存在#region
int current = methodStart;
while (current > topStart)
{
string lineStr = textView.GetOneLineText(current).Trim();
if (lineStr.StartsWith("#region") || lineStr.StartsWith("#endregion"))
{
//返回#region 或者 #endregion的下一行作为分界线
return ++current;
}
current--;
}
return topStart;
}
private bool ReplaceComment()
{
//找到光标所在行的注释的textspan
//在首尾添加增加的注释
TextSpan textSpan = GetCommentTextSpanAtCurrentCaret();
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
if (textView != null && textSpan.iStartLine != -1)
{
//查看是否已经被替换过了
if (textView.GetOneLineText(textSpan.iStartLine + 1).Trim().StartsWith("///") &&
!textView.GetOneLineText(textSpan.iStartLine).Trim().StartsWith("#region"))
{
//using (VSUndo.StartUndo())
//{
// string spaceStr = GetSpaceBeforeComment(textView.GetOneLineText(textSpan.iStartLine + 1));
// textView.InsertText("\r\n" + spaceStr + "#region test", textSpan.iStartLine, 0);
// textView.InsertText(spaceStr + "#endregion\r\n", textSpan.iEndLine + 1, 0);
// textView.SetCursorPositon(textSpan.iStartLine + 1, spaceStr.Length);
// VSDocument.SaveActiveDocument();
// DelayExecute.Execute(3000, () =>
// {
// VSBase.ExecuteCommand((uint)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
// });
// return false;
//}
}
}
return true;
}