int FindPrevWordOffset (TextDocument doc, int offset, bool subword) { int lineNumber = doc.OffsetToLineNumber (offset); DocumentLine line = doc.GetLine (lineNumber); if (line == null) return offset; int result = offset; if (result == line.Offset) { line = doc.GetLine (lineNumber - 1); if (line != null) result = line.Offset + line.Length; return result; } CharacterClass current = GetCharacterClass (doc.GetCharAt (result - 1), subword, false); if (current == CharacterClass.Whitespace && result - 1 > line.Offset) { result--; current = GetCharacterClass (doc.GetCharAt (result - 2), subword, false); } while (result > line.Offset) { CharacterClass prev = GetCharacterClass (doc.GetCharAt (result - 1), subword, false); if (prev != current) { // camelCase and PascalCase handling bool camelSkip = false; if (prev == CharacterClass.UppercaseLetter && current == CharacterClass.LowercaseLetter) { if (result-2 > line.Offset) { CharacterClass back2 = GetCharacterClass (doc.GetCharAt (result-2), subword, false); if (back2 == CharacterClass.UppercaseLetter) result--; else camelSkip = true; } } if (!camelSkip) break; } current = prev; result--; } return result; }
int FindNextWordOffset (TextDocument doc, int offset, bool subword) { int lineNumber = doc.OffsetToLineNumber (offset); DocumentLine line = doc.GetLine (lineNumber); if (line == null) return offset; int result = offset; int endOffset = line.Offset + line.Length; if (result == endOffset) { line = doc.GetLine (lineNumber + 1); if (line != null) result = line.Offset; return result; } CharacterClass current = GetCharacterClass (doc.GetCharAt (result), subword, false); while (result < endOffset) { CharacterClass next = GetCharacterClass (doc.GetCharAt (result), subword, false); if (next != current) { // camelCase and PascalCase handling bool camelSkip = false; if (next == CharacterClass.LowercaseLetter && current == CharacterClass.UppercaseLetter) { if (result-2 > line.Offset) { CharacterClass previous = GetCharacterClass (doc.GetCharAt (result-2), subword, false); if (previous == CharacterClass.UppercaseLetter && result-2 > offset) result--; else camelSkip = true; } } if (!camelSkip) break; } current = next; result++; } while (result < endOffset && GetCharacterClass (doc.GetCharAt (result), subword, false) == CharacterClass.Whitespace) { result++; } return result; }
static string GenerateRtf (TextDocument doc, Mono.TextEditor.Highlighting.ISyntaxMode mode, Mono.TextEditor.Highlighting.ColorScheme style, ITextEditorOptions options) { StringBuilder rtfText = new StringBuilder (); List<Gdk.Color> colorList = new List<Gdk.Color> (); var selection = new TextSegment (0, doc.TextLength); int startLineNumber = doc.OffsetToLineNumber (selection.Offset); int endLineNumber = doc.OffsetToLineNumber (selection.EndOffset); bool isItalic = false; bool isBold = false; int curColor = -1; foreach (var line in doc.GetLinesBetween (startLineNumber, endLineNumber)) { bool appendSpace = false; foreach (Chunk chunk in mode.GetChunks (style, line, line.Offset, line.Length)) { int start = System.Math.Max (selection.Offset, chunk.Offset); int end = System.Math.Min (chunk.EndOffset, selection.EndOffset); ChunkStyle chunkStyle = style.GetChunkStyle (chunk); 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 = doc.GetCharAt (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; } } } } rtfText.Append (@"\par"); rtfText.AppendLine (); } // 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 (); }