// todo: move to version control backend
IEnumerable <Conflict> Conflicts(Mono.TextEditor.Document doc)
{
foreach (int mergeStart in doc.SearchForward("<<<<<<<", 0))
{
LineSegment start = doc.GetLineByOffset(mergeStart);
if (start.Offset != mergeStart)
{
continue;
}
int dividerOffset = doc.SearchForward("=======", mergeStart).First();
LineSegment divider = doc.GetLineByOffset(dividerOffset);
int endOffset = doc.SearchForward(">>>>>>>", dividerOffset).First();
LineSegment end = doc.GetLineByOffset(endOffset);
yield return(new Conflict(new Mono.TextEditor.Segment(start.EndOffset, divider.Offset - start.EndOffset),
new Mono.TextEditor.Segment(divider.EndOffset, end.Offset - divider.EndOffset),
new Mono.TextEditor.Segment(start),
new Mono.TextEditor.Segment(divider),
new Mono.TextEditor.Segment(end)));
}
}
internal static int ScanWord (Document doc, int offset, bool forwardDirection)
{
if (offset < 0 || offset >= doc.Length)
return offset;
var line = doc.GetLineByOffset (offset);
char first = doc.GetCharAt (offset);
while (offset >= line.Offset && offset < line.Offset + line.EditableLength) {
char ch = doc.GetCharAt (offset);
if (char.IsWhiteSpace (first) && !char.IsWhiteSpace (ch)
|| IsNoLetterOrDigit (first) && !IsNoLetterOrDigit (ch)
|| (char.IsLetterOrDigit (first) || first == '_') && !(char.IsLetterOrDigit (ch) || ch == '_'))
break;
offset = forwardDirection ? offset + 1 : offset - 1;
}
return System.Math.Min (line.Offset + line.EditableLength,
System.Math.Max (line.Offset, offset + (forwardDirection ? 0 : 1)));
}
int GetLastSourceCodePosition (Document document, int lineOffset)
{
LineSegment line = document.GetLineByOffset (lineOffset);
bool isInBlockComment = false;
bool isInLineComment = false;
int curStringQuote = -1;
List<string> lineComments = GetList (document, "LineComment");
List<string> blockCommentStarts = GetList (document, "BlockCommentStart");
List<string> blockCommentEnds = GetList (document, "BlockCommentEnd");
List<string> stringQuotes = GetList (document, "StringQuote");
for (int i = 0 ; i < line.EditableLength; i++) {
int offset = line.Offset + i;
// check line comments
if (!isInBlockComment && curStringQuote < 0) {
isInLineComment = StartsWithListMember (document, lineComments, offset) >= 0;
if (isInLineComment)
return System.Math.Min (offset, lineOffset);
}
// check block comments
if (!isInLineComment && curStringQuote < 0) {
if (!isInBlockComment) {
isInBlockComment = StartsWithListMember (document, blockCommentStarts, offset) >= 0;
} else {
isInBlockComment = StartsWithListMember (document, blockCommentEnds, offset) < 0;
}
}
if (!isInBlockComment && !isInLineComment) {
int j = StartsWithListMember (document, stringQuotes, offset);
if (j >= 0) {
if (curStringQuote >= 0) {
if (curStringQuote == j)
curStringQuote = -1;
} else {
curStringQuote = j;
}
}
}
}
return lineOffset;
}
static string GenerateRtf (Document doc, Mono.TextEditor.Highlighting.SyntaxMode mode, Mono.TextEditor.Highlighting.Style style, ITextEditorOptions options)
{
StringBuilder rtfText = new StringBuilder ();
List<Gdk.Color> colorList = new List<Gdk.Color> ();
ISegment selection = new Segment (0, doc.Length);
LineSegment line = doc.GetLineByOffset (selection.Offset);
LineSegment endLine = doc.GetLineByOffset (selection.EndOffset);
RedBlackTree<LineSegmentTree.TreeNode>.RedBlackTreeIterator iter = line.Iter;
bool isItalic = false;
bool isBold = false;
int curColor = -1;
do {
bool appendSpace = false;
line = iter.Current;
for (Chunk chunk = mode.GetChunks (doc, style, line, line.Offset, line.EditableLength); chunk != null; chunk = chunk.Next) {
int start = System.Math.Max (selection.Offset, chunk.Offset);
int end = System.Math.Min (chunk.EndOffset, selection.EndOffset);
ChunkStyle chunkStyle = chunk.GetChunkStyle (style);
if (start < end) {
if (isBold != chunkStyle.Bold) {
rtfText.Append (chunkStyle.Bold ? @"\b" : @"\b0");
isBold = chunkStyle.Bold;
appendSpace = true;
}
if (isItalic != chunkStyle.Italic) {
rtfText.Append (chunkStyle.Italic ? @"\i" : @"\i0");
isItalic = chunkStyle.Italic;
appendSpace = true;
}
if (!colorList.Contains (chunkStyle.Color))
colorList.Add (chunkStyle.Color);
int color = colorList.IndexOf (chunkStyle.Color);
if (curColor != color) {
curColor = color;
rtfText.Append (@"\cf" + (curColor + 1));
appendSpace = true;
}
for (int i = start; i < end; i++) {
char ch = chunk.GetCharAt (doc, i);
switch (ch) {
case '\\':
rtfText.Append (@"\\");
break;
case '{':
rtfText.Append (@"\{");
break;
case '}':
rtfText.Append (@"\}");
break;
case '\t':
rtfText.Append (@"\tab");
appendSpace = true;
break;
default:
if (appendSpace) {
rtfText.Append (' ');
appendSpace = false;
}
rtfText.Append (ch);
break;
}
}
}
}
if (line == endLine)
break;
rtfText.Append (@"\par");
rtfText.AppendLine ();
} while (iter.MoveNext ());
// color table
StringBuilder colorTable = new StringBuilder ();
colorTable.Append (@"{\colortbl ;");
for (int i = 0; i < colorList.Count; i++) {
Gdk.Color color = colorList[i];
colorTable.Append (@"\red");
colorTable.Append (color.Red / 256);
colorTable.Append (@"\green");
colorTable.Append (color.Green / 256);
colorTable.Append (@"\blue");
colorTable.Append (color.Blue / 256);
colorTable.Append (";");
}
colorTable.Append ("}");
StringBuilder rtf = new StringBuilder();
rtf.Append (@"{\rtf1\ansi\deff0\adeflang1025");
// font table
rtf.Append (@"{\fonttbl");
rtf.Append (@"{\f0\fnil\fprq1\fcharset128 " + options.Font.Family + ";}");
rtf.Append ("}");
rtf.Append (colorTable.ToString ());
rtf.Append (@"\viewkind4\uc1\pard");
rtf.Append (@"\f0");
try {
string fontName = options.Font.ToString ();
double fontSize = Double.Parse (fontName.Substring (fontName.LastIndexOf (' ') + 1), System.Globalization.CultureInfo.InvariantCulture) * 2;
rtf.Append (@"\fs");
rtf.Append (fontSize);
} catch (Exception) {};
rtf.Append (@"\cf1");
rtf.Append (rtfText.ToString ());
rtf.Append("}");
// System.Console.WriteLine(rtf);
return rtf.ToString ();
}
bool StartsInLineComment (Document document, int offset)
{
List<string> lineComments = GetList (document, "LineComment");
LineSegment line = document.GetLineByOffset (offset);
for (int i = line.Offset ; i < offset; i++) {
if (StartsWithListMember (document, lineComments, i) >= 0)
return true;
}
return false;
}