int IVsTextLines.ReleaseLineDataEx(LINEDATAEX[] pLineData)
{
return VSConstants.E_NOTIMPL;
}
int IVsTextImage.ReleaseLine(LINEDATAEX[] pLineData)
{
if (null == pLineData || 0 == pLineData.Length)
return VSConstants.E_INVALIDARG;
//clear the Line Data object
pLineData[0].iLength = 0;
Marshal.FreeCoTaskMem(pLineData[0].pszText);
pLineData[0].iEolType = EOLTYPE.eolNONE;
pLineData[0].pAttributes = IntPtr.Zero;
pLineData[0].dwFlags = (ushort)LINEDATAEXFLAGS.ldfDefault;
pLineData[0].dwReserved = 0;
pLineData[0].pAtomicTextChain = IntPtr.Zero;
return VSConstants.S_OK;
}
int IVsTextLines.GetLineDataEx(uint dwFlags,
int iLine,
int iStartIndex,
int iEndIndex,
LINEDATAEX[] pLineData,
MARKERDATA[] pMarkerData
)
{
return VSConstants.E_NOTIMPL;
}
// return the type of new line to use that matches the one at the given line.
public string GetNewLine(int line)
{
string eol = "\r\n"; // "\x000D\x000A"
LINEDATAEX[] ld = new LINEDATAEX[1];
NativeMethods.ThrowOnFailure(this.textLines.GetLineDataEx(0, line, 0, 0, ld, null));
uint iEolType = (uint)ld[0].iEolType;
if (iEolType == (uint)EOLTYPE.eolUNI_LINESEP)
{
if (this.textLines is IVsTextLines2)
{
IVsTextLines2 textLines2 = (IVsTextLines2)this.textLines;
int hr = textLines2.GetEolTypeEx(ld, out iEolType);
if (NativeMethods.Failed(hr))
{
#if LANGTRACE
Trace.WriteLine("Ignoring actual EOL type and continuing");
#endif
iEolType = (uint)EOLTYPE.eolUNI_LINESEP;
}
}
}
switch (iEolType)
{
case (uint)EOLTYPE.eolCR:
eol = "\r"; // "\x000D"
break;
case (uint)EOLTYPE.eolLF:
eol = "\n"; // "\x000A"
break;
case (uint)EOLTYPE.eolUNI_LINESEP:
eol = "\u2028";
break;
case (uint)EOLTYPE.eolUNI_PARASEP:
eol = "\u2029";
break;
case (uint)_EOLTYPE2.eolUNI_NEL:
eol = "\u0085";
break;
}
NativeMethods.ThrowOnFailure(this.textLines.ReleaseLineDataEx(ld));
return eol;
}
int IVsTextImage.GetLine(uint grfGet,
int iLine,
int iStartIndex,
int iEndIndex,
LINEDATAEX[] pLineData
)
{
if (null == pLineData || 0 == pLineData.Length)
return VSConstants.E_INVALIDARG;
//first initialize the Line Data object
pLineData[0].iLength = 0;
pLineData[0].pszText = IntPtr.Zero;
pLineData[0].iEolType = EOLTYPE.eolCR;
pLineData[0].pAttributes = IntPtr.Zero;
pLineData[0].dwFlags = (ushort)LINEDATAEXFLAGS.ldfDefault;
pLineData[0].dwReserved = 0;
pLineData[0].pAtomicTextChain = IntPtr.Zero;
int lineCount = editorControl.RichTextBoxControl.Lines.Length;
if ((iLine < 0) || (iLine >= lineCount) || (iStartIndex < 0) || (iEndIndex < 0) ||
(iStartIndex > iEndIndex))
{
return VSConstants.E_INVALIDARG;
}
string lineText = editorControl.RichTextBoxControl.Lines[iLine];
// If the line is empty then do not attempt to calculate the span in the normal way; just return.
if (string.IsNullOrEmpty(lineText) && iStartIndex == 0 && iEndIndex == 0)
return VSConstants.S_OK;
int lineLength = lineText.Length;
//Error if startIndex is greater than the line length
if (iStartIndex >= lineLength || iEndIndex >= lineLength)
return VSConstants.E_INVALIDARG;
int spanLength = iEndIndex - iStartIndex + 1;
//Error in arguments if the span length is greater than the line length
if (spanLength > lineLength)
return VSConstants.E_INVALIDARG;
//If we are looking for a subset of the line i.e. a line span
if (0 != (grfGet & (uint)GLDE_FLAGS.gldeSubset))
{
pLineData[0].iLength = spanLength;
string spanText = lineText.Substring(iStartIndex, spanLength);
pLineData[0].pszText = new IntPtr();
pLineData[0].pszText = Marshal.StringToCoTaskMemAuto(spanText);
}
//else we need to return the complete line
else
{
pLineData[0].iLength = lineLength;
pLineData[0].pszText = new IntPtr();
pLineData[0].pszText = Marshal.StringToCoTaskMemAuto(lineText);
}
return VSConstants.S_OK;
}
public int ReleaseLineDataEx(LINEDATAEX[] pLineData)
{
throw new Exception("The method or operation is not implemented.");
}
public int GetLineDataEx(uint dwFlags, int iLine, int iStartIndex, int iEndIndex, LINEDATAEX[] pLineData, MARKERDATA[] pMarkerData)
{
throw new Exception("The method or operation is not implemented.");
}
public int ReleaseLineDataEx(LINEDATAEX[] pLineData) {
return VSConstants.S_OK;
}
public int GetLineDataEx(uint dwFlags, int iLine, int iStartIndex, int iEndIndex, LINEDATAEX[] pLineData, MARKERDATA[] pMarkerData) {
return VSConstants.S_OK;
}
public int GetLineDataEx(uint dwFlags, int iLine, int iStartIndex, int iEndIndex, LINEDATAEX[] pLineData, MARKERDATA[] pMarkerData) {
throw new NotImplementedException();
}
public int ReleaseLineDataEx(LINEDATAEX[] pLineData) {
throw new NotImplementedException();
}
public int ReleaseLineDataEx(LINEDATAEX[] pLineData)
{
return _textBuffer.ReleaseLineDataEx(pLineData);
}
public int GetLineDataEx(uint dwFlags, int iLine, int iStartIndex, int iEndIndex, LINEDATAEX[] pLineData, MARKERDATA[] pMarkerData)
{
return _textBuffer.GetLineDataEx(dwFlags, iLine, iStartIndex, iEndIndex, pLineData, pMarkerData);
}
int IVsTextImage.GetLine(uint grfGet,
int iLine,
int iStartIndex,
int iEndIndex,
LINEDATAEX[] pLineData
)
{
//if (null == pLineData || 0 == pLineData.Length)
// return VSConstants.E_INVALIDARG;
////first intialize the Line Data object
//pLineData[0].iLength = 0;
//pLineData[0].pszText = IntPtr.Zero;
//pLineData[0].iEolType = EOLTYPE.eolCR;
//pLineData[0].pAttributes = IntPtr.Zero;
//pLineData[0].dwFlags = (ushort)LINEDATAEXFLAGS.ldfDefault;
//pLineData[0].dwReserved = 0;
//pLineData[0].pAtomicTextChain = IntPtr.Zero;
//int lineCount = editorControl.RichTextBoxControl.Lines.Length;
//if ((iLine < 0) || (iLine >= lineCount) || (iStartIndex < 0) || (iEndIndex < 0) ||
// (iStartIndex > iEndIndex))
//{
// return VSConstants.E_INVALIDARG;
//}
//string lineText = editorControl.RichTextBoxControl.Lines[iLine];
//// TODO fix
//int lineLength = 0; //lineText.Length;
//Error if startIndex is greater than the line length
//if (iStartIndex >= lineLength || iEndIndex >= lineLength)
// return VSConstants.E_INVALIDARG;
//int spanLength = iEndIndex - iStartIndex + 1;
////Error in arguments if the span length is greater than the line length
//if (spanLength > lineLength)
// return VSConstants.E_INVALIDARG;
////If we are looking for a subset of the line i.e. a line span
//if (0 != (grfGet & (uint)GLDE_FLAGS.gldeSubset))
//{
// pLineData[0].iLength = spanLength;
// string spanText = lineText.Substring(iStartIndex, spanLength);
// pLineData[0].pszText = new IntPtr();
// pLineData[0].pszText = Marshal.StringToCoTaskMemAuto(spanText);
//}
////else we need to return the complete line
//else
//{
// pLineData[0].iLength = lineLength;
// pLineData[0].pszText = new IntPtr();
// pLineData[0].pszText = Marshal.StringToCoTaskMemAuto(lineText);
//}
return VSConstants.S_OK;
}