public static bool getXmlMatchedTagsPos(Scintilla scintilla, ref XmlMatchedTagsPos xmlTags, bool prevChar)
{
bool tagFound = false;
int caret = scintilla.NativeInterface.GetCurrentPos();
if (prevChar)
{
if (caret > 0)
{
caret--;
}
}
int searchStartPoint = caret;
int styleAt = -1;
// search back for the previous open angle bracket.
// Keep looking whilst the angle bracked found is inside an XML attribute.
FindResult openFound = new FindResult();
do
{
openFound = findText("<", searchStartPoint, 0, 0, scintilla);
styleAt = scintilla.NativeInterface.GetStyleAt(openFound.start);
searchStartPoint = openFound.start - 1;
} while (openFound.success && (styleAt == Constants.SCE_H_DOUBLESTRING || styleAt == Constants.SCE_H_SINGLESTRING) && searchStartPoint > 0);
if (openFound.success && styleAt != Constants.SCE_H_CDATA)
{
FindResult closeFound = new FindResult();
searchStartPoint = openFound.start;
do
{
closeFound = findText(">", searchStartPoint, caret, 0, scintilla);
styleAt = scintilla.NativeInterface.GetStyleAt(closeFound.start);
searchStartPoint = closeFound.end;
} while (closeFound.success && (styleAt == Constants.SCE_H_DOUBLESTRING || styleAt == Constants.SCE_H_SINGLESTRING) && searchStartPoint <= caret);
if (!closeFound.success)
{
char nextChar = scintilla.NativeInterface.GetCharAt(openFound.start + 1);
if (nextChar == '/')
{
xmlTags.tagCloseStart = openFound.start;
int docLength = scintilla.NativeInterface.GetLength();
FindResult endCloseTag = findText(">", caret, docLength, 0, scintilla);
if (endCloseTag.success)
{
xmlTags.tagCloseEnd = endCloseTag.end;
}
// Find the tag name.
int position = openFound.start + 2;
string tagName = "";
nextChar = scintilla.NativeInterface.GetCharAt(position);
while (position < docLength && !nextChar.IsWhiteSpace() && nextChar != '/' && nextChar != '>' && nextChar != '"' && nextChar != '\'')
{
tagName += nextChar; // tagName;
position++;
nextChar = scintilla.NativeInterface.GetCharAt(position);
}
if (!String.IsNullOrEmpty(tagName))
{
/* Now we need to find the open tag. The logic here is that we search for "<TAGNAME",
* then check the next character - if it's one of '>', ' ', '\"' then we know we've found
* a relevant tag.
* We then need to check if either
* a) this tag is a self-closed tag - e.g. <TAGNAME attrib="value" />
* or b) this tag has another closing tag after it and before our closing tag
* e.g. <TAGNAME attrib="value">some text</TAGNAME></TAGNA|ME>
* (cursor represented by |)
* If it's either of the above, then we continue searching, but only up to the
* the point of the last find. (So in the (b) example above, we'd only search backwards
* from the first "<TAGNAME...", as we know there's a close tag for the opened tag.
*
* NOTE:: NEED TO CHECK THE ROTTEN CASE: ***********************************************************
* <TAGNAME attrib="value"><TAGNAME>something</TAGNAME></TAGNAME></TAGNA|ME>
* Maybe count all closing tags between start point and start of our end tag.???
*/
int currentEndPoint = xmlTags.tagCloseStart;
int openTagsRemaining = 1;
FindResult nextOpenTag = new FindResult();
do
{
nextOpenTag = findOpenTag(tagName, currentEndPoint, 0, scintilla);
if (nextOpenTag.success)
{
openTagsRemaining--;
FindResult inbetweenCloseTag = new FindResult();
int currentStartPosition = nextOpenTag.end;
int closeTagsFound = 0;
bool forwardSearch = (currentStartPosition < currentEndPoint);
do
{
inbetweenCloseTag = findCloseTag(tagName, currentStartPosition, currentEndPoint, scintilla);
if (inbetweenCloseTag.success)
{
closeTagsFound++;
if (forwardSearch)
{
currentStartPosition = inbetweenCloseTag.end;
}
else
{
currentStartPosition = inbetweenCloseTag.start - 1;
}
}
} while (inbetweenCloseTag.success);
if (closeTagsFound == 0 && openTagsRemaining == 0)
{
xmlTags.tagOpenStart = nextOpenTag.start;
xmlTags.tagOpenEnd = nextOpenTag.end + 1;
xmlTags.tagNameEnd = nextOpenTag.start + tagName.Length + 1;
tagFound = true;
}
else
{
openTagsRemaining += closeTagsFound;
currentEndPoint = nextOpenTag.start;
}
}
} while (!tagFound && openTagsRemaining > 0 && nextOpenTag.success);
}
}
else
{
// Cursor in open tag
int position = openFound.start + 1;
int docLength = scintilla.NativeInterface.GetLength();
xmlTags.tagOpenStart = openFound.start;
string tagName = "";
nextChar = scintilla.NativeInterface.GetCharAt(position);
while (position < docLength && !nextChar.IsWhiteSpace() && nextChar != '/' && nextChar != '>' && nextChar != '"' && nextChar != '\'')
{
tagName = tagName + nextChar;
position++;
nextChar = scintilla.NativeInterface.GetCharAt(position);
}
if (!String.IsNullOrEmpty(tagName))
{
xmlTags.tagNameEnd = openFound.start + tagName.Length + 1;
int closeAnglePosition = findCloseAngle(position, docLength, scintilla);
if (closeAnglePosition != -1)
{
xmlTags.tagOpenEnd = closeAnglePosition + 1;
if (scintilla.NativeInterface.GetCharAt(closeAnglePosition - 1) == '/')
{
xmlTags.tagCloseEnd = -1;
xmlTags.tagCloseStart = -1;
tagFound = true;
}
else
{
int currentStartPosition = xmlTags.tagOpenEnd;
int closeTagsRemaining = 1;
FindResult nextCloseTag = new FindResult();
do
{
nextCloseTag = findCloseTag(tagName, currentStartPosition, docLength, scintilla);
if (nextCloseTag.success)
{
closeTagsRemaining--;
FindResult inbetweenOpenTag = new FindResult();
int currentEndPosition = nextCloseTag.start;
int openTagsFound = 0;
do
{
inbetweenOpenTag = findOpenTag(tagName, currentStartPosition, currentEndPosition, scintilla);
if (inbetweenOpenTag.success)
{
openTagsFound++;
currentStartPosition = inbetweenOpenTag.end;
}
} while (inbetweenOpenTag.success);
if (openTagsFound == 0 && closeTagsRemaining == 0)
{
xmlTags.tagCloseStart = nextCloseTag.start;
xmlTags.tagCloseEnd = nextCloseTag.end + 1;
tagFound = true;
}
else
{
closeTagsRemaining += openTagsFound;
currentStartPosition = nextCloseTag.end;
}
}
} while (!tagFound && closeTagsRemaining > 0 && nextCloseTag.success);
}
}
}
}
}
}
return(tagFound);
}
/// <summary>
/// If Smart Indenting is enabled, this delegate will be added to the CharAdded multicast event.
/// </summary>
internal void CheckSmartIndent(char ch)
{
char newline = (Scintilla.EndOfLine.Mode == EndOfLineMode.CR) ? '\r' : '\n';
switch (SmartIndentType)
{
case SmartIndent.None:
return;
case SmartIndent.Simple:
if (ch == newline)
{
Line curLine = Scintilla.Lines.Current;
curLine.Indentation = curLine.Previous.Indentation;
Scintilla.CurrentPos = curLine.IndentPosition;
}
break;
case SmartIndent.XML:
if (ch == '}' || ch == ')' || ch == ']')
{
int styleBit = getPrevStyle(Scintilla.CurrentPos);
if (handleWithCpp(styleBit))
{
handleCpp(ch, newline);
}
}
if (ch == newline)
{
int cpos = Scintilla.CurrentPos;
int origPos = cpos;
if (Scintilla.EndOfLine.Mode == EndOfLineMode.Crlf)
{
cpos -= 2;
}
else
{
cpos -= 1;
}
int styleBit = getPrevStyle(cpos);
if (handleWithCpp(styleBit))
{
handleCpp(ch, newline);
}
else
{
Line curLine = Scintilla.Lines.FromPosition(cpos);
string line = curLine.Text;
int col = Scintilla.GetColumn(cpos);
int i = 0;
int openCnt = 0;
int closeCount = 0;
bool inTag = false;
string tagName = "";
bool buildingTag = false;
while (i < col && i < line.Length)
{
if (line[i] == '<')
{
if (curLine.Length > i)
{
if (line[i + 1] != '/' && line[i + 1] != '!')
{
buildingTag = true;
inTag = true;
}
else
{
closeCount++;
inTag = false;
}
}
}
if (inTag && line[i] != '<')
{
if (line[i].IsWordChar() && buildingTag)
{
tagName += line[i];
}
if (!line[i].IsWordChar())
{
buildingTag = false;
}
if (line[i] == '>' && inTag)
{
if (i > 0)
{
if (line[i - 1] != '/')
{
// Ignore br. May be others to ignore.
if (tagName.ToLowerInvariant() != "br")
{
openCnt++;
}
inTag = false;
}
}
}
}
i++;
}
if (openCnt > closeCount)
{
cpos = Scintilla.CurrentPos;
string lnBreak = "";
if (Scintilla.EndOfLine.Mode == EndOfLineMode.CR)
{
lnBreak = "\r";
}
else if (Scintilla.EndOfLine.Mode == EndOfLineMode.LF)
{
lnBreak = "\n";
}
else
{
lnBreak = "\r\n";
}
Scintilla.UndoRedo.BeginUndoAction();
// Grab the current line indent
int lineIndent = curLine.Indentation;
// add in a line break. This also puts cursor on the next line but only
// if auto closing html brackets.
if (Scintilla.AutoClose.AutoCloseHtmlTags)
{
Scintilla.Selection.Text = lnBreak;
}
// Indent the next line back to the current line.
Scintilla.Lines.Current.Indentation = curLine.Indentation;
// Jump back to the original position (The new line which we want indented further
Scintilla.Selection.Start = origPos;
Scintilla.Selection.End = origPos;
// Set indentation.
Scintilla.Lines.Current.Indentation = curLine.Indentation + TabWidth;
Scintilla.CurrentPos = Scintilla.Lines.Current.EndPosition;
Scintilla.UndoRedo.EndUndoAction();
}
else
{
// maintain indentation
Scintilla.UndoRedo.BeginUndoAction();
Scintilla.Lines.Current.Indentation = curLine.Indentation;
Scintilla.CurrentPos = Scintilla.Lines.Current.EndPosition;
Scintilla.UndoRedo.EndUndoAction();
}
}
}
if (ch == '>')
{
XmlMatchedTagsPos xmlTag = new XmlMatchedTagsPos();
if (MatchingTag.getXmlMatchedTagsPos(Scintilla, ref xmlTag, true))
{
int indentSize = Scintilla.NativeInterface.GetLineIndentation(Scintilla.NativeInterface.LineFromPosition(xmlTag.tagOpenStart));
Scintilla.NativeInterface.SetLineIndentation(Scintilla.Lines.Current.Number, indentSize);
}
}
break;
case SmartIndent.CPP:
case SmartIndent.CPP2:
handleCpp(ch, newline);
break;
}
}