lexothers.cxx.svn-base

Notepad++ is a generic source code editor (it tries to be anyway) and Notepad replacement written in

		// Check for Operator
		} else if (IsBOperator(wordBuffer[0])) {
			// Colorize Default Text
			styler.ColourTo(startLine + offset - 1 - wbl, SCE_BAT_DEFAULT);
			// Check for Comparison Operator
			if ((wordBuffer[0] == '=') && (wordBuffer[1] == '=')) {
				// Identify External Command / Program Location for IF
				cmdLoc = offset;
				// Skip next spaces
				while ((cmdLoc < lengthLine) &&
					(isspacechar(lineBuffer[cmdLoc]))) {
					cmdLoc++;
				}
				// Colorize Comparison Operator
				styler.ColourTo(startLine + offset - 1 - (wbl - 2), SCE_BAT_OPERATOR);
				// Reset Offset to re-process remainder of word
				offset -= (wbl - 2);
			// Check for Pipe Operator
			} else if (wordBuffer[0] == '|') {
				// Reset External Command / Program Location
				cmdLoc = offset - wbl + 1;
				// Skip next spaces
				while ((cmdLoc < lengthLine) &&
					(isspacechar(lineBuffer[cmdLoc]))) {
					cmdLoc++;
				}
				// Colorize Pipe Operator
				styler.ColourTo(startLine + offset - 1 - (wbl - 1), SCE_BAT_OPERATOR);
				// Reset Offset to re-process remainder of word
				offset -= (wbl - 1);
			// Check for Other Operator
			} else {
				// Check for > Operator
				if (wordBuffer[0] == '>') {
					// Turn Keyword and External Command / Program checking back on
					continueProcessing = true;
				}
				// Colorize Other Operator
				styler.ColourTo(startLine + offset - 1 - (wbl - 1), SCE_BAT_OPERATOR);
				// Reset Offset to re-process remainder of word
				offset -= (wbl - 1);
			}
		// Check for Default Text
		} else {
			// Read up to %, Operator or Separator
			while ((wbo < wbl) &&
				(wordBuffer[wbo] != '%') &&
				(!IsBOperator(wordBuffer[wbo])) &&
				(!IsBSeparator(wordBuffer[wbo]))) {
				wbo++;
			}
			// Colorize Default Text
			styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_DEFAULT);
			// Reset Offset to re-process remainder of word
			offset -= (wbl - wbo);
		}
		// Skip next spaces - nothing happens if Offset was Reset
		while ((offset < lengthLine) && (isspacechar(lineBuffer[offset]))) {
			offset++;
		}
	}
	// Colorize Default Text for remainder of line - currently not lexed
	styler.ColourTo(endPos, SCE_BAT_DEFAULT);
}

static void ColouriseBatchDoc(
    unsigned int startPos,
    int length,
    int /*initStyle*/,
    WordList *keywordlists[],
    Accessor &styler) {

	char lineBuffer[1024];

	styler.StartAt(startPos);
	styler.StartSegment(startPos);
	unsigned int linePos = 0;
	unsigned int startLine = startPos;
	for (unsigned int i = startPos; i < startPos + length; i++) {
		lineBuffer[linePos++] = styler[i];
		if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1)) {
			// End of line (or of line buffer) met, colourise it
			lineBuffer[linePos] = '\0';
			ColouriseBatchLine(lineBuffer, linePos, startLine, i, keywordlists, styler);
			linePos = 0;
			startLine = i + 1;
		}
	}
	if (linePos > 0) {	// Last line does not have ending characters
		lineBuffer[linePos] = '\0';
		ColouriseBatchLine(lineBuffer, linePos, startLine, startPos + length - 1,
		                   keywordlists, styler);
	}
}

static void ColouriseDiffLine(char *lineBuffer, int endLine, Accessor &styler) {
	// It is needed to remember the current state to recognize starting
	// comment lines before the first "diff " or "--- ". If a real
	// difference starts then each line starting with ' ' is a whitespace
	// otherwise it is considered a comment (Only in..., Binary file...)
	if (0 == strncmp(lineBuffer, "diff ", 5)) {
		styler.ColourTo(endLine, SCE_DIFF_COMMAND);
	} else if (0 == strncmp(lineBuffer, "--- ", 4)) {
		// In a context diff, --- appears in both the header and the position markers
		if (atoi(lineBuffer+4) && !strchr(lineBuffer, '/'))
			styler.ColourTo(endLine, SCE_DIFF_POSITION);
		else
			styler.ColourTo(endLine, SCE_DIFF_HEADER);
	} else if (0 == strncmp(lineBuffer, "+++ ", 4)) {
		// I don't know of any diff where "+++ " is a position marker, but for
		// consistency, do the same as with "--- " and "*** ".
		if (atoi(lineBuffer+4) && !strchr(lineBuffer, '/'))
			styler.ColourTo(endLine, SCE_DIFF_POSITION);
		else
			styler.ColourTo(endLine, SCE_DIFF_HEADER);
	} else if (0 == strncmp(lineBuffer, "====", 4)) {  // For p4's diff
		styler.ColourTo(endLine, SCE_DIFF_HEADER);
	} else if (0 == strncmp(lineBuffer, "***", 3)) {
		// In a context diff, *** appears in both the header and the position markers.
		// Also ******** is a chunk header, but here it's treated as part of the
		// position marker since there is no separate style for a chunk header.
		if (lineBuffer[3] == ' ' && atoi(lineBuffer+4) && !strchr(lineBuffer, '/'))
			styler.ColourTo(endLine, SCE_DIFF_POSITION);
		else if (lineBuffer[3] == '*')
			styler.ColourTo(endLine, SCE_DIFF_POSITION);
		else
			styler.ColourTo(endLine, SCE_DIFF_HEADER);
	} else if (0 == strncmp(lineBuffer, "? ", 2)) {    // For difflib
		styler.ColourTo(endLine, SCE_DIFF_HEADER);
	} else if (lineBuffer[0] == '@') {
		styler.ColourTo(endLine, SCE_DIFF_POSITION);
	} else if (lineBuffer[0] >= '0' && lineBuffer[0] <= '9') {
		styler.ColourTo(endLine, SCE_DIFF_POSITION);
	} else if (lineBuffer[0] == '-' || lineBuffer[0] == '<') {
		styler.ColourTo(endLine, SCE_DIFF_DELETED);
	} else if (lineBuffer[0] == '+' || lineBuffer[0] == '>') {
		styler.ColourTo(endLine, SCE_DIFF_ADDED);
	} else if (lineBuffer[0] != ' ') {
		styler.ColourTo(endLine, SCE_DIFF_COMMENT);
	} else {
		styler.ColourTo(endLine, SCE_DIFF_DEFAULT);
	}
}

static void ColouriseDiffDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
	char lineBuffer[1024];
	styler.StartAt(startPos);
	styler.StartSegment(startPos);
	unsigned int linePos = 0;
	for (unsigned int i = startPos; i < startPos + length; i++) {
		lineBuffer[linePos++] = styler[i];
		if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1)) {
			// End of line (or of line buffer) met, colourise it
			lineBuffer[linePos] = '\0';
			ColouriseDiffLine(lineBuffer, i, styler);
			linePos = 0;
		}
	}
	if (linePos > 0) {	// Last line does not have ending characters
		ColouriseDiffLine(lineBuffer, startPos + length - 1, styler);
	}
}

static void FoldDiffDoc(unsigned int startPos, int length, int, WordList*[], Accessor &styler) {
	int curLine = styler.GetLine(startPos);
	int prevLevel = SC_FOLDLEVELBASE;
	if (curLine > 0)
		prevLevel = styler.LevelAt(curLine-1);

	int curLineStart = styler.LineStart(curLine);
	do {
		int nextLevel = prevLevel;
		if (prevLevel & SC_FOLDLEVELHEADERFLAG)
			nextLevel = (prevLevel & SC_FOLDLEVELNUMBERMASK) + 1;

		int lineType = styler.StyleAt(curLineStart);
		if (lineType == SCE_DIFF_COMMAND)
			nextLevel = (SC_FOLDLEVELBASE + 1) | SC_FOLDLEVELHEADERFLAG;
		else if (lineType == SCE_DIFF_HEADER) {
			nextLevel = (SC_FOLDLEVELBASE + 2) | SC_FOLDLEVELHEADERFLAG;
		} else if (lineType == SCE_DIFF_POSITION)
			nextLevel = (SC_FOLDLEVELBASE + 3) | SC_FOLDLEVELHEADERFLAG;

		if ((nextLevel & SC_FOLDLEVELHEADERFLAG) && (nextLevel == prevLevel))
			styler.SetLevel(curLine-1, prevLevel & ~SC_FOLDLEVELHEADERFLAG);

		styler.SetLevel(curLine, nextLevel);
		prevLevel = nextLevel;

		curLineStart = styler.LineStart(++curLine);
	} while (static_cast<int>(startPos) + length > curLineStart);
}


static void ColourisePropsLine(
    char *lineBuffer,
    unsigned int lengthLine,
    unsigned int startLine,
    unsigned int endPos,
    Accessor &styler) {

	unsigned int i = 0;
	while ((i < lengthLine) && isspacechar(lineBuffer[i]))	// Skip initial spaces
		i++;
	if (i < lengthLine) {
		if (lineBuffer[i] == '#' || lineBuffer[i] == '!' || lineBuffer[i] == ';') {
			styler.ColourTo(endPos, SCE_PROPS_COMMENT);
		} else if (lineBuffer[i] == '[') {
			styler.ColourTo(endPos, SCE_PROPS_SECTION);
		} else if (lineBuffer[i] == '@') {
			styler.ColourTo(startLine + i, SCE_PROPS_DEFVAL);
			if (lineBuffer[++i] == '=')
				styler.ColourTo(startLine + i, SCE_PROPS_ASSIGNMENT);
			styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
		} else {
			// Search for the '=' character
			while ((i < lengthLine) && (lineBuffer[i] != '='))
				i++;
			if ((i < lengthLine) && (lineBuffer[i] == '=')) {
				styler.ColourTo(startLine + i - 1, SCE_PROPS_KEY);
				styler.ColourTo(startLine + i, SCE_PROPS_ASSIGNMENT);
				styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
			} else {
				styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
			}
		}
	} else {
		styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
	}
}

static void ColourisePropsDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
	char lineBuffer[1024];
	styler.StartAt(startPos);
	styler.StartSegment(startPos);
	unsigned int linePos = 0;
	unsigned int startLine = startPos;
	for (unsigned int i = startPos; i < startPos + length; i++) {
		lineBuffer[linePos++] = styler[i];
		if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1)) {
			// End of line (or of line buffer) met, colourise it
			lineBuffer[linePos] = '\0';
			ColourisePropsLine(lineBuffer, linePos, startLine, i, styler);
			linePos = 0;
			startLine = i + 1;
		}
	}
	if (linePos > 0) {	// Last line does not have ending characters
		ColourisePropsLine(lineBuffer, linePos, startLine, startPos + length - 1, styler);
	}
}

// adaption by ksc, using the "} else {" trick of 1.53
// 030721
static void FoldPropsDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;

	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);

	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	bool headerPoint = false;
	int lev;

	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler[i+1];

		int style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');

		if (style == SCE_PROPS_SECTION) {
			headerPoint = true;
		}

		if (atEOL) {
			lev = SC_FOLDLEVELBASE;

			if (lineCurrent > 0) {
				int levelPrevious = styler.LevelAt(lineCurrent - 1);

				if (levelPrevious & SC_FOLDLEVELHEADERFLAG) {
					lev = SC_FOLDLEVELBASE + 1;
				} else {
					lev = levelPrevious & SC_FOLDLEVELNUMBERMASK;
				}
			}

			if (headerPoint) {
				lev = SC_FOLDLEVELBASE;
			}
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;

			if (headerPoint) {
				lev |= SC_FOLDLEVELHEADERFLAG;
			}
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}

			lineCurrent++;
			visibleChars = 0;
			headerPoint = false;
		}
		if (!isspacechar(ch))
			visibleChars++;
	}

	if (lineCurrent > 0) {
		int levelPrevious = styler.LevelAt(lineCurrent - 1);
		if (levelPrevious & SC_FOLDLEVELHEADERFLAG) {
			lev = SC_FOLDLEVELBASE + 1;
		} else {
			lev = levelPrevious & SC_FOLDLEVELNUMBERMASK;
		}
	} else {
		lev = SC_FOLDLEVELBASE;
	}
	int flagsNext = styler.LevelAt(lineCurrent);
	styler.SetLevel(lineCurrent, lev | flagsNext & ~SC_FOLDLEVELNUMBERMASK);
}

static void ColouriseMakeLine(
    char *lineBuffer,
    unsigned int lengthLine,
    unsigned int startLine,
    unsigned int endPos,
    Accessor &styler) {

	unsigned int i = 0;
	int lastNonSpace = -1;
	unsigned int state = SCE_MAKE_DEFAULT;
	bool bSpecial = false;

	// check for a tab character in column 0 indicating a command
	bool bCommand = false;
	if ((lengthLine > 0) && (lineBuffer[0] == '\t'))
		bCommand = true;

	// Skip initial spaces
	while ((i < lengthLine) && isspacechar(lineBuffer[i])) {
		i++;
	}
	if (lineBuffer[i] == '#') {	// Comment
		styler.ColourTo(endPos, SCE_MAKE_COMMENT);
		return;
	}
	if (lineBuffer[i] == '!') {	// Special directive
		styler.ColourTo(endPos, SCE_MAKE_PREPROCESSOR);
		return;
	}
	while (i < lengthLine) {
		if (lineBuffer[i] == '$' && lineBuffer[i + 1] == '(') {
			styler.ColourTo(startLine + i - 1, state);
			state = SCE_MAKE_IDENTIFIER;
		} else if (state == SCE_MAKE_IDENTIFIER && lineBuffer[i] == ')') {
			styler.ColourTo(startLine + i, state);
			state = SCE_MAKE_DEFAULT;
		}

		// skip identifier and target styling if this is a command line
		if (!bSpecial && !bCommand) {
			if (lineBuffer[i] == ':') {
				if (((i + 1) < lengthLine) && (lineBuffer[i + 1] == '=')) {
					// it's a ':=', so style as an identifier
					if (lastNonSpace >= 0)
						styler.ColourTo(startLine + lastNonSpace, SCE_MAKE_IDENTIFIER);
					styler.ColourTo(startLine + i - 1, SCE_MAKE_DEFAULT);
					styler.ColourTo(startLine + i + 1, SCE_MAKE_OPERATOR);
				} else {
					// We should check that no colouring was made since the beginning of the line,
					// to avoid colouring stuff like /OUT:file
					if (lastNonSpace >= 0)
						styler.ColourTo(startLine + lastNonSpace, SCE_MAKE_TARGET);
					styler.ColourTo(startLine + i - 1, SCE_MAKE_DEFAULT);
					styler.ColourTo(startLine + i, SCE_MAKE_OPERATOR);
				}
				bSpecial = true;	// Only react to the first ':' of the line
				state = SCE_MAKE_DEFAULT;
			} else if (lineBuffer[i] == '=') {
				if (lastNonSpace >= 0)
					styler.ColourTo(startLine + lastNonSpace, SCE_MAKE_IDENTIFIER);
				styler.ColourTo(startLine + i - 1, SCE_MAKE_DEFAULT);