C++ Accessor::IndentAmount方法代码示例

static void FoldSolDoc(unsigned int startPos, int length, int initStyle,
						   WordList *[], Accessor &styler)
 {
	int lengthDoc = startPos + length;

	int lineCurrent = styler.GetLine(startPos);
	if (startPos > 0)
        {
          if (lineCurrent > 0)
          {
               lineCurrent--;
               startPos = styler.LineStart(lineCurrent);
               if (startPos == 0)
                    initStyle = SCE_SCRIPTOL_DEFAULT;
               else
                    initStyle = styler.StyleAt(startPos-1);
           }
	}
	int state = initStyle & 31;
	int spaceFlags = 0;
        int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsSolComment);
        if ((state == SCE_SCRIPTOL_TRIPLE))
             indentCurrent |= SC_FOLDLEVELWHITEFLAG;
	char chNext = styler[startPos];
	for (int i = startPos; i < lengthDoc; i++)
         {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int style = styler.StyleAt(i) & 31;

		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc))
                {
                   int lev = indentCurrent;
                   int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsSolComment);
                   if (style == SCE_SCRIPTOL_TRIPLE)
                        indentNext |= SC_FOLDLEVELWHITEFLAG;
                   if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG))
                    {
                        // Only non whitespace lines can be headers
                        if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK))
                        {
                              lev |= SC_FOLDLEVELHEADERFLAG;
                        }
                        else if (indentNext & SC_FOLDLEVELWHITEFLAG)
                        {
                             // Line after is blank so check the next - maybe should continue further?
                             int spaceFlags2 = 0;
                             int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsSolComment);
                             if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK))
                             {
                                   lev |= SC_FOLDLEVELHEADERFLAG;
                              }
                        }
                    }
                   indentCurrent = indentNext;
                   styler.SetLevel(lineCurrent, lev);
                   lineCurrent++;
		}
	}
}

static void FoldMatlabOctaveDoc(unsigned int startPos, int length, int,
                                WordList *[], Accessor &styler,
                                bool (*IsComment)(Accessor&, int, int)) {

	int endPos = startPos + length;

	// Backtrack to previous line in case need to fix its fold status
	int lineCurrent = styler.GetLine(startPos);
	if (startPos > 0) {
		if (lineCurrent > 0) {
			lineCurrent--;
			startPos = styler.LineStart(lineCurrent);
		}
	}
	int spaceFlags = 0;
	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsComment);
	char chNext = styler[startPos];
	for (int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);

		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)) {
			int lev = indentCurrent;
			int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsComment);
			if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
				// Only non whitespace lines can be headers
				if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
					lev |= SC_FOLDLEVELHEADERFLAG;
				} else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
					// Line after is blank so check the next - maybe should continue further?
					int spaceFlags2 = 0;
					int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsComment);
					if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
						lev |= SC_FOLDLEVELHEADERFLAG;
					}
				}
			}
			indentCurrent = indentNext;
			styler.SetLevel(lineCurrent, lev);
			lineCurrent++;
		}
	}
}

static void FoldFlagShipDoc(unsigned int startPos, int length, int,
									WordList *[], Accessor &styler)
{

	int endPos = startPos + length;

	// Backtrack to previous line in case need to fix its fold status
	int lineCurrent = styler.GetLine(startPos);
	if (startPos > 0 && lineCurrent > 0) {
			lineCurrent--;
			startPos = styler.LineStart(lineCurrent);
	}
	int spaceFlags = 0;
	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags);
	char chNext = styler[startPos];
	for (int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);

		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos-1)) {
			int lev = indentCurrent;
			int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags);
			if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
				if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
					lev |= SC_FOLDLEVELHEADERFLAG;
				} else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
					int spaceFlags2 = 0;
					int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2);
					if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
						lev |= SC_FOLDLEVELHEADERFLAG;
					}
				}
			}
			indentCurrent = indentNext;
			styler.SetLevel(lineCurrent, lev);
			lineCurrent++;
		}
	}
}

static void FoldYAMLDoc(unsigned int startPos, int length, int /*initStyle - unused*/,
                      WordList *[], Accessor &styler) {
	const int maxPos = startPos + length;
	const int maxLines = styler.GetLine(maxPos - 1);             // Requested last line
	const int docLines = styler.GetLine(styler.Length() - 1);  // Available last line
	const bool foldComment = styler.GetPropertyInt("fold.comment.yaml") != 0;

	// Backtrack to previous non-blank line so we can determine indent level
	// for any white space lines
	// and so we can fix any preceding fold level (which is why we go back
	// at least one line in all cases)
	int spaceFlags = 0;
	int lineCurrent = styler.GetLine(startPos);
	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
	while (lineCurrent > 0) {
		lineCurrent--;
		indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
		if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG) &&
		        (!IsCommentLine(lineCurrent, styler)))
			break;
	}
	int indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;

	// Set up initial loop state
	int prevComment = 0;
	if (lineCurrent >= 1)
		prevComment = foldComment && IsCommentLine(lineCurrent - 1, styler);

	// Process all characters to end of requested range
	// or comment that hangs over the end of the range.  Cap processing in all cases
	// to end of document (in case of unclosed comment at end).
	while ((lineCurrent <= docLines) && ((lineCurrent <= maxLines) || prevComment)) {

		// Gather info
		int lev = indentCurrent;
		int lineNext = lineCurrent + 1;
		int indentNext = indentCurrent;
		if (lineNext <= docLines) {
			// Information about next line is only available if not at end of document
			indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
	}
		const int comment = foldComment && IsCommentLine(lineCurrent, styler);
		const int comment_start = (comment && !prevComment && (lineNext <= docLines) &&
		                           IsCommentLine(lineNext, styler) && (lev > SC_FOLDLEVELBASE));
		const int comment_continue = (comment && prevComment);
		if (!comment)
			indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
		if (indentNext & SC_FOLDLEVELWHITEFLAG)
			indentNext = SC_FOLDLEVELWHITEFLAG | indentCurrentLevel;

		if (comment_start) {
			// Place fold point at start of a block of comments
			lev |= SC_FOLDLEVELHEADERFLAG;
		} else if (comment_continue) {
			// Add level to rest of lines in the block
			lev = lev + 1;
		}

		// Skip past any blank lines for next indent level info; we skip also
		// comments (all comments, not just those starting in column 0)
		// which effectively folds them into surrounding code rather
		// than screwing up folding.

		while ((lineNext < docLines) &&
		        ((indentNext & SC_FOLDLEVELWHITEFLAG) ||
		         (lineNext <= docLines && IsCommentLine(lineNext, styler)))) {

			lineNext++;
			indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
		}

		const int levelAfterComments = indentNext & SC_FOLDLEVELNUMBERMASK;
		const int levelBeforeComments = Maximum(indentCurrentLevel,levelAfterComments);

		// Now set all the indent levels on the lines we skipped
		// Do this from end to start.  Once we encounter one line
		// which is indented more than the line after the end of
		// the comment-block, use the level of the block before

		int skipLine = lineNext;
		int skipLevel = levelAfterComments;

		while (--skipLine > lineCurrent) {
			int skipLineIndent = styler.IndentAmount(skipLine, &spaceFlags, NULL);

			if ((skipLineIndent & SC_FOLDLEVELNUMBERMASK) > levelAfterComments)
				skipLevel = levelBeforeComments;

			int whiteFlag = skipLineIndent & SC_FOLDLEVELWHITEFLAG;

			styler.SetLevel(skipLine, skipLevel | whiteFlag);
		}

		// Set fold header on non-comment line
		if (!comment && !(indentCurrent & SC_FOLDLEVELWHITEFLAG) ) {
			if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK))
				lev |= SC_FOLDLEVELHEADERFLAG;
		}

		// Keep track of block comment state of previous line
//.........这里部分代码省略.........

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

	int endPos = startPos + length;

	// Backtrack to previous line in case need to fix its tab whinging
	int lineCurrent = styler.GetLine(startPos);
	if (startPos > 0) {
		if (lineCurrent > 0) {
			lineCurrent--;
			// Look for backslash-continued lines
			while (lineCurrent > 0) {
				int eolPos = styler.LineStart(lineCurrent) - 1;
				int eolStyle = styler.StyleAt(eolPos);
				if (eolStyle == SCE_P_STRING
				    || eolStyle == SCE_P_CHARACTER
				    || eolStyle == SCE_P_STRINGEOL) {
					lineCurrent -= 1;
				} else {
					break;
				}
			}
			startPos = styler.LineStart(lineCurrent);
		}
		initStyle = startPos == 0 ? SCE_P_DEFAULT : styler.StyleAt(startPos - 1);
	}

	WordList &keywords = *keywordlists[0];
	WordList &keywords2 = *keywordlists[1];
	WordList &keywords3 = *keywordlists[2];

	// property tab.timmy.whinge.level
	//	For Python code, checks whether indenting is consistent.
	//	The default, 0 turns off indentation checking,
	//	1 checks whether each line is potentially inconsistent with the previous line,
	//	2 checks whether any space characters occur before a tab character in the indentation,
	//	3 checks whether any spaces are in the indentation, and
	//	4 checks for any tab characters in the indentation.
	//	1 is a good level to use.
	const int whingeLevel = styler.GetPropertyInt("tab.timmy.whinge.level");

	// property lexer.python.literals.binary
	//	Set to 0 to not recognise Python 3 binary and octal literals: 0b1011 0o712.
	bool base2or8Literals = styler.GetPropertyInt("lexer.python.literals.binary", 1) != 0;

	// property lexer.python.strings.u
	//	Set to 0 to not recognise Python Unicode literals u"x" as used before Python 3.
	literalsAllowed allowedLiterals = (styler.GetPropertyInt("lexer.python.strings.u", 1)) ? litU : litNone;

	// property lexer.python.strings.b
	//	Set to 0 to not recognise Python 3 bytes literals b"x".
	if (styler.GetPropertyInt("lexer.python.strings.b", 1))
		allowedLiterals = static_cast<literalsAllowed>(allowedLiterals | litB);

	// property lexer.python.strings.over.newline
	//      Set to 1 to allow strings to span newline characters.
	bool stringsOverNewline = styler.GetPropertyInt("lexer.python.strings.over.newline") != 0;

	initStyle = initStyle & 31;
	if (initStyle == SCE_P_STRINGEOL) {
		initStyle = SCE_P_DEFAULT;
	}

	kwType kwLast = kwOther;
	int spaceFlags = 0;
	styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
	bool base_n_number = false;

	StyleContext sc(startPos, endPos - startPos, initStyle, styler);

	bool indentGood = true;
	int startIndicator = sc.currentPos;
	bool inContinuedString = false;

	for (; sc.More(); sc.Forward()) {

		if (sc.atLineStart) {
			styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
			indentGood = true;
			if (whingeLevel == 1) {
				indentGood = (spaceFlags & wsInconsistent) == 0;
			} else if (whingeLevel == 2) {
				indentGood = (spaceFlags & wsSpaceTab) == 0;
			} else if (whingeLevel == 3) {
				indentGood = (spaceFlags & wsSpace) == 0;
			} else if (whingeLevel == 4) {
				indentGood = (spaceFlags & wsTab) == 0;
			}
			if (!indentGood) {
				styler.IndicatorFill(startIndicator, sc.currentPos, indicatorWhitespace, 0);
				startIndicator = sc.currentPos;
			}
		}

		if (sc.atLineEnd) {
			if ((sc.state == SCE_P_DEFAULT) ||
			        (sc.state == SCE_P_TRIPLE) ||
			        (sc.state == SCE_P_TRIPLEDOUBLE)) {
				// Perform colourisation of white space and triple quoted strings at end of each line to allow
				// tab marking to work inside white space and triple quoted strings
//.........这里部分代码省略.........

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


  styler.StartAt(startPos);

  bool fold = styler.GetPropertyInt("fold") != 0;
  int lineCurrent = styler.GetLine(startPos);
  int spaceFlags = 0;

  int state = initStyle;
  int prevState = initStyle;
  char chPrev = ' ';
  char chNext = styler[startPos];
  styler.StartSegment(startPos);
  unsigned int lengthDoc = startPos + length;
  for (unsigned int i = startPos; i < lengthDoc; i++) {
    char ch = chNext;
    chNext = styler.SafeGetCharAt(i + 1);

    if ((ch == '\r' && chNext != '\n') || (ch == '\n')) {
      int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags);
      int lev = indentCurrent;
      if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
        // Only non whitespace lines can be headers
        int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags);
        if (indentCurrent < (indentNext & ~SC_FOLDLEVELWHITEFLAG)) {
          lev |= SC_FOLDLEVELHEADERFLAG;
        }
      }
      if (fold) {
        styler.SetLevel(lineCurrent, lev);
      }
    }

    if (styler.IsLeadByte(ch)) {
      chNext = styler.SafeGetCharAt(i + 2);
      chPrev = ' ';
      i += 1;
      continue;
    }

    // When the last char isn't part of the state (have to deal with it too)...
    if ( (state == SCE_MSSQL_IDENTIFIER) ||
                    (state == SCE_MSSQL_STORED_PROCEDURE) ||
                    (state == SCE_MSSQL_DATATYPE) ||
                    //~ (state == SCE_MSSQL_COLUMN_NAME) ||
                    (state == SCE_MSSQL_FUNCTION) ||
                    //~ (state == SCE_MSSQL_GLOBAL_VARIABLE) ||
                    (state == SCE_MSSQL_VARIABLE)) {
      if (!iswordchar(ch)) {
        int stateTmp;

                if ((state == SCE_MSSQL_VARIABLE) || (state == SCE_MSSQL_COLUMN_NAME)) {
                    styler.ColourTo(i - 1, state);
          stateTmp = state;
                } else
                    stateTmp = classifyWordSQL(styler.GetStartSegment(), i - 1, keywordlists, styler, state, prevState);

        prevState = state;

        if (stateTmp == SCE_MSSQL_IDENTIFIER || stateTmp == SCE_MSSQL_VARIABLE)
          state = SCE_MSSQL_DEFAULT_PREF_DATATYPE;
        else
          state = SCE_MSSQL_DEFAULT;
      }
    } else if (state == SCE_MSSQL_LINE_COMMENT) {
      if (ch == '\r' || ch == '\n') {
        styler.ColourTo(i - 1, state);
        prevState = state;
        state = SCE_MSSQL_DEFAULT;
      }
    } else if (state == SCE_MSSQL_GLOBAL_VARIABLE) {
      if ((ch != '@') && !iswordchar(ch)) {
        classifyWordSQL(styler.GetStartSegment(), i - 1, keywordlists, styler, state, prevState);
        prevState = state;
        state = SCE_MSSQL_DEFAULT;
      }
    }

    // If is the default or one of the above succeeded
    if (state == SCE_MSSQL_DEFAULT || state == SCE_MSSQL_DEFAULT_PREF_DATATYPE) {
      if (iswordstart(ch)) {
        styler.ColourTo(i - 1, SCE_MSSQL_DEFAULT);
        prevState = state;
        state = SCE_MSSQL_IDENTIFIER;
      } else if (ch == '/' && chNext == '*') {
        styler.ColourTo(i - 1, SCE_MSSQL_DEFAULT);
        prevState = state;
        state = SCE_MSSQL_COMMENT;
      } else if (ch == '-' && chNext == '-') {
        styler.ColourTo(i - 1, SCE_MSSQL_DEFAULT);
        prevState = state;
        state = SCE_MSSQL_LINE_COMMENT;
      } else if (ch == '\'') {
        styler.ColourTo(i - 1, SCE_MSSQL_DEFAULT);
        prevState = state;
        state = SCE_MSSQL_STRING;
      } else if (ch == '"') {
        styler.ColourTo(i - 1, SCE_MSSQL_DEFAULT);
//.........这里部分代码省略.........

static void FoldPyDoc(unsigned int startPos, int length, int /*initStyle - unused*/,
                      WordList *[], Accessor &styler) {
	const int maxPos = startPos + length;
	const int maxLines = (maxPos == styler.Length()) ? styler.GetLine(maxPos) : styler.GetLine(maxPos - 1);	// Requested last line
	const int docLines = styler.GetLine(styler.Length());	// Available last line

	// property fold.quotes.python
	//	This option enables folding multi-line quoted strings when using the Python lexer.
	const bool foldQuotes = styler.GetPropertyInt("fold.quotes.python") != 0;

	const bool foldCompact = styler.GetPropertyInt("fold.compact") != 0;

	// Backtrack to previous non-blank line so we can determine indent level
	// for any white space lines (needed esp. within triple quoted strings)
	// and so we can fix any preceding fold level (which is why we go back
	// at least one line in all cases)
	int spaceFlags = 0;
	int lineCurrent = styler.GetLine(startPos);
	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
	while (lineCurrent > 0) {
		lineCurrent--;
		indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
		if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG) &&
		        (!IsCommentLine(lineCurrent, styler)) &&
		        (!IsQuoteLine(lineCurrent, styler)))
			break;
	}
	int indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;

	// Set up initial loop state
	startPos = styler.LineStart(lineCurrent);
	int prev_state = SCE_P_DEFAULT & 31;
	if (lineCurrent >= 1)
		prev_state = styler.StyleAt(startPos - 1) & 31;
	int prevQuote = foldQuotes && ((prev_state == SCE_P_TRIPLE) || (prev_state == SCE_P_TRIPLEDOUBLE));

	// Process all characters to end of requested range or end of any triple quote
	//that hangs over the end of the range.  Cap processing in all cases
	// to end of document (in case of unclosed quote at end).
	while ((lineCurrent <= docLines) && ((lineCurrent <= maxLines) || prevQuote)) {

		// Gather info
		int lev = indentCurrent;
		int lineNext = lineCurrent + 1;
		int indentNext = indentCurrent;
		int quote = false;
		if (lineNext <= docLines) {
			// Information about next line is only available if not at end of document
			indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
			int lookAtPos = (styler.LineStart(lineNext) == styler.Length()) ? styler.Length() - 1 : styler.LineStart(lineNext);
			int style = styler.StyleAt(lookAtPos) & 31;
			quote = foldQuotes && ((style == SCE_P_TRIPLE) || (style == SCE_P_TRIPLEDOUBLE));
		}
		const int quote_start = (quote && !prevQuote);
		const int quote_continue = (quote && prevQuote);
		if (!quote || !prevQuote)
			indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
		if (quote)
			indentNext = indentCurrentLevel;
		if (indentNext & SC_FOLDLEVELWHITEFLAG)
			indentNext = SC_FOLDLEVELWHITEFLAG | indentCurrentLevel;

		if (quote_start) {
			// Place fold point at start of triple quoted string
			lev |= SC_FOLDLEVELHEADERFLAG;
		} else if (quote_continue || prevQuote) {
			// Add level to rest of lines in the string
			lev = lev + 1;
		}

		// Skip past any blank lines for next indent level info; we skip also
		// comments (all comments, not just those starting in column 0)
		// which effectively folds them into surrounding code rather
		// than screwing up folding.

		while (!quote &&
		        (lineNext < docLines) &&
		        ((indentNext & SC_FOLDLEVELWHITEFLAG) ||
		         (lineNext <= docLines && IsCommentLine(lineNext, styler)))) {

			lineNext++;
			indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
		}

		const int levelAfterComments = indentNext & SC_FOLDLEVELNUMBERMASK;
		const int levelBeforeComments = Maximum(indentCurrentLevel,levelAfterComments);

		// Now set all the indent levels on the lines we skipped
		// Do this from end to start.  Once we encounter one line
		// which is indented more than the line after the end of
		// the comment-block, use the level of the block before

		int skipLine = lineNext;
		int skipLevel = levelAfterComments;

		while (--skipLine > lineCurrent) {
			int skipLineIndent = styler.IndentAmount(skipLine, &spaceFlags, NULL);

			if (foldCompact) {
				if ((skipLineIndent & SC_FOLDLEVELNUMBERMASK) > levelAfterComments)
//.........这里部分代码省略.........