C++ Accessor::LevelAt方法代码示例

static void FoldTACLDoc(unsigned int startPos, int length, int initStyle, WordList *[],
                            Accessor &styler) {
	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	bool foldPreprocessor = styler.GetPropertyInt("fold.preprocessor") != 0;
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	int levelCurrent = levelPrev;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;
	bool section = false;

	int lastStart = 0;

	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');

		if (stylePrev == SCE_C_DEFAULT && (style == SCE_C_WORD || style == SCE_C_PREPROCESSOR))
		{
			// Store last word start point.
			lastStart = i;
		}

		if (stylePrev == SCE_C_WORD || stylePrev == SCE_C_PREPROCESSOR) {
			if(isTACLwordchar(ch) && !isTACLwordchar(chNext)) {
				char s[100];
				getRange(lastStart, i, styler, s, sizeof(s));
				if (stylePrev == SCE_C_PREPROCESSOR && strcmp(s, "?section") == 0)
					{
					section = true;
					levelCurrent = 1;
					levelPrev = 0;
					}
				else if (stylePrev == SCE_C_WORD)
					levelCurrent += classifyFoldPointTACL(s);
			}
		}

		if (style == SCE_C_OPERATOR) {
			if (ch == '[') {
				levelCurrent++;
			} else if (ch == ']') {
				levelCurrent--;
			}
		}
		if (foldComment && (style == SCE_C_COMMENTLINE)) {
			if ((ch == '/') && (chNext == '/')) {
				char chNext2 = styler.SafeGetCharAt(i + 2);
				if (chNext2 == '{') {
					levelCurrent++;
				} else if (chNext2 == '}') {
					levelCurrent--;
				}
			}
		}

		if (foldPreprocessor && (style == SCE_C_PREPROCESSOR)) {
			if (ch == '{' && chNext == '$') {
				unsigned int j=i+2; // skip {$
				while ((j<endPos) && IsASpaceOrTab(styler.SafeGetCharAt(j))) {
					j++;
				}
				if (styler.Match(j, "region") || styler.Match(j, "if")) {
					levelCurrent++;
				} else if (styler.Match(j, "end")) {
					levelCurrent--;
				}
			}
		}

		if (foldComment && IsStreamCommentStyle(style)) {
			if (!IsStreamCommentStyle(stylePrev)) {
				levelCurrent++;
			} else if (!IsStreamCommentStyle(styleNext) && !atEOL) {
				// Comments don't end at end of line and the next character may be unstyled.
				levelCurrent--;
			}
		}
		if (atEOL) {
			int lev = levelPrev | SC_FOLDLEVELBASE;
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if ((levelCurrent > levelPrev || section) && (visibleChars > 0))
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelPrev = levelCurrent;
			visibleChars = 0;
			section = false;
		}
//.........这里部分代码省略.........

// Store both the current line's fold level and the next lines in the
// level store to make it easy to pick up with each increment.
static void FoldMySQLDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *[], Accessor &styler)
{
	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	bool foldOnlyBegin = styler.GetPropertyInt("fold.sql.only.begin", 0) != 0;

	int visibleChars = 0;
	Sci_Position lineCurrent = styler.GetLine(startPos);
	int levelCurrent = SC_FOLDLEVELBASE;
	if (lineCurrent > 0)
		levelCurrent = styler.LevelAt(lineCurrent - 1) >> 16;
	int levelNext = levelCurrent;

	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;
  int activeState = (style == SCE_MYSQL_HIDDENCOMMAND) ? HIDDENCOMMAND_STATE : style & HIDDENCOMMAND_STATE;

  bool endPending = false;
	bool whenPending = false;
	bool elseIfPending = false;

  char nextChar = styler.SafeGetCharAt(startPos);
  for (Sci_PositionU i = startPos; length > 0; i++, length--)
  {
		int stylePrev = style;
    int lastActiveState = activeState;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
    activeState = (style == SCE_MYSQL_HIDDENCOMMAND) ? HIDDENCOMMAND_STATE : style & HIDDENCOMMAND_STATE;

    char currentChar = nextChar;
    nextChar = styler.SafeGetCharAt(i + 1);
		bool atEOL = (currentChar == '\r' && nextChar != '\n') || (currentChar == '\n');

    switch (MASKACTIVE(style))
    {
      case SCE_MYSQL_COMMENT:
        if (foldComment)
        {
          // Multiline comment style /* .. */ just started or is still in progress.
          if (IsStreamCommentStyle(style) && !IsStreamCommentStyle(stylePrev))
            levelNext++;
        }
        break;
      case SCE_MYSQL_COMMENTLINE:
        if (foldComment)
        {
          // Not really a standard, but we add support for single line comments
          // with special curly braces syntax as foldable comments too.
          // MySQL needs -- comments to be followed by space or control char
          if (styler.Match(i, "--"))
          {
            char chNext2 = styler.SafeGetCharAt(i + 2);
            char chNext3 = styler.SafeGetCharAt(i + 3);
            if (chNext2 == '{' || chNext3 == '{')
              levelNext++;
            else
              if (chNext2 == '}' || chNext3 == '}')
                levelNext--;
          }
        }
        break;
      case SCE_MYSQL_HIDDENCOMMAND:
        /*
        if (endPending)
        {
          // A conditional command is not a white space so it should end the current block
          // before opening a new one.
          endPending = false;
          levelNext--;
          if (levelNext < SC_FOLDLEVELBASE)
            levelNext = SC_FOLDLEVELBASE;
        }
        }*/
        if (activeState != lastActiveState)
          levelNext++;
        break;
      case SCE_MYSQL_OPERATOR:
        if (endPending)
        {
          endPending = false;
          levelNext--;
          if (levelNext < SC_FOLDLEVELBASE)
            levelNext = SC_FOLDLEVELBASE;
        }
        if (currentChar == '(')
          levelNext++;
        else
          if (currentChar == ')')
          {
            levelNext--;
            if (levelNext < SC_FOLDLEVELBASE)
              levelNext = SC_FOLDLEVELBASE;
          }
        break;
      case SCE_MYSQL_MAJORKEYWORD:
      case SCE_MYSQL_KEYWORD:
      case SCE_MYSQL_FUNCTION:
//.........这里部分代码省略.........

//=============================================================================
// Folding the code
static void FoldNoBoxVHDLDoc(
  unsigned int startPos,
  int length,
  int,
  Accessor &styler)
{
  // Decided it would be smarter to have the lexer have all keywords included. Therefore I
  // don't check if the style for the keywords that I use to adjust the levels.
  char words[] =
    "architecture begin case component else elsif end entity generate loop package process record then "
    "procedure function when";
  WordList keywords;
  keywords.Set(words);

  bool foldComment      = styler.GetPropertyInt("fold.comment", 1) != 0;
  bool foldCompact      = styler.GetPropertyInt("fold.compact", 1) != 0;
  bool foldAtElse       = styler.GetPropertyInt("fold.at.else", 1) != 0;
  bool foldAtBegin      = styler.GetPropertyInt("fold.at.Begin", 1) != 0;
  bool foldAtParenthese = styler.GetPropertyInt("fold.at.Parenthese", 1) != 0;
  //bool foldAtWhen       = styler.GetPropertyInt("fold.at.When", 1) != 0;  //< fold at when in case statements

  int  visibleChars     = 0;
  unsigned int endPos   = startPos + length;

  int lineCurrent       = styler.GetLine(startPos);
  int levelCurrent      = SC_FOLDLEVELBASE;
  if(lineCurrent > 0)
    levelCurrent        = styler.LevelAt(lineCurrent-1) >> 16;
  //int levelMinCurrent   = levelCurrent;
  int levelMinCurrentElse = levelCurrent;   //< Used for folding at 'else'
  int levelMinCurrentBegin = levelCurrent;  //< Used for folding at 'begin'
  int levelNext         = levelCurrent;

  /***************************************/
  int lastStart         = 0;
  char prevWord[32]     = "";

  /***************************************/
  // Find prev word
  // The logic for going up or down a level depends on a the previous keyword
  // This code could be cleaned up.
  int end = 0;
  unsigned int j;
  for(j = startPos; j>0; j--)
  {
    char ch       = styler.SafeGetCharAt(j);
    char chPrev   = styler.SafeGetCharAt(j-1);
    int style     = styler.StyleAt(j);
    int stylePrev = styler.StyleAt(j-1);
    if ((stylePrev != SCE_VHDL_COMMENT) && (stylePrev != SCE_VHDL_STRING))
    {
      if(IsAWordChar(chPrev) && !IsAWordChar(ch))
      {
        end = j-1;
      }
    }
    if ((style != SCE_VHDL_COMMENT) && (style != SCE_VHDL_STRING))
    {
      if(!IsAWordChar(chPrev) && IsAWordStart(ch) && (end != 0))
      {
        char s[32];
        unsigned int k;
        for(k=0; (k<31 ) && (k<end-j+1 ); k++) {
          s[k] = static_cast<char>(tolower(styler[j+k]));
        }
        s[k] = '\0';

        if(keywords.InList(s)) {
          strcpy(prevWord, s);
          break;
        }
      }
    }
  }
  for(j=j+static_cast<unsigned int>(strlen(prevWord)); j<endPos; j++)
  {
    char ch       = styler.SafeGetCharAt(j);
    int style     = styler.StyleAt(j);
    if ((style != SCE_VHDL_COMMENT) && (style != SCE_VHDL_STRING))
    {
      if((ch == ';') && (strcmp(prevWord, "end") == 0))
      {
        strcpy(prevWord, ";");
      }
    }
  }

  char  chNext          = styler[startPos];
  char  chPrev          = '\0';
  char  chNextNonBlank;
  int   styleNext       = styler.StyleAt(startPos);
  //Platform::DebugPrintf("Line[%04d] Prev[%20s] ************************* Level[%x]\n", lineCurrent+1, prevWord, levelCurrent);

  /***************************************/
  for (unsigned int i = startPos; i < endPos; i++)
  {
    char ch         = chNext;
    chNext          = styler.SafeGetCharAt(i + 1);
//.........这里部分代码省略.........

static void FoldHexDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
	unsigned int endPos = startPos + length;
	int lineCurrent = styler.GetLine(startPos);

	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int sectionDelta = 0;
	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) {
			if (!sectionDelta)
				sectionDelta = styler.Match(i + 1, "End") ? -1 : 1;
		}

		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 (sectionDelta == 1) {
				lev = SC_FOLDLEVELBASE;
			} else if (sectionDelta == -1) {
				lev = SC_FOLDLEVELBASE | SC_FOLDLEVELWHITEFLAG;
			}

			if (sectionDelta == 1) {
				lev |= SC_FOLDLEVELHEADERFLAG;
			}
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}

			lineCurrent++;
			sectionDelta = 0;
		}
	}

	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);
}

// Store both the current line's fold level and the next lines in the
// level store to make it easy to pick up with each increment
// and to make it possible to fiddle the current level for "} else {".
static void FoldEclDoc(unsigned int startPos, int length, int initStyle, 
					   WordList *[], Accessor &styler) {
	bool foldComment = true;
	bool foldPreprocessor = true;
	bool foldCompact = true;
	bool foldAtElse = true;
	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelCurrent = SC_FOLDLEVELBASE;
	if (lineCurrent > 0)
		levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
	int levelMinCurrent = levelCurrent;
	int levelNext = levelCurrent;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;
	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
		if (foldComment && IsStreamCommentStyle(style)) {
			if (!IsStreamCommentStyle(stylePrev) && (stylePrev != SCE_ECL_COMMENTLINEDOC)) {
				levelNext++;
			} else if (!IsStreamCommentStyle(styleNext) && (styleNext != SCE_ECL_COMMENTLINEDOC) && !atEOL) {
				// Comments don't end at end of line and the next character may be unstyled.
				levelNext--;
			}
		}
		if (foldComment && (style == SCE_ECL_COMMENTLINE)) {
			if ((ch == '/') && (chNext == '/')) {
				char chNext2 = styler.SafeGetCharAt(i + 2);
				if (chNext2 == '{') {
					levelNext++;
				} else if (chNext2 == '}') {
					levelNext--;
				}
			}
		}
		if (foldPreprocessor && (style == SCE_ECL_PREPROCESSOR)) {
			if (ch == '#') {
				unsigned int j = i + 1;
				while ((j < endPos) && IsASpaceOrTab(styler.SafeGetCharAt(j))) {
					j++;
				}
				if (MatchNoCase(styler, j, "region") || MatchNoCase(styler, j, "if")) {
					levelNext++;
				} else if (MatchNoCase(styler, j, "endregion") || MatchNoCase(styler, j, "end")) {
					levelNext--;
				}
			}
		}
		if (style == SCE_ECL_OPERATOR) {
			if (ch == '{') {
				// Measure the minimum before a '{' to allow
				// folding on "} else {"
				if (levelMinCurrent > levelNext) {
					levelMinCurrent = levelNext;
				}
				levelNext++;
			} else if (ch == '}') {
				levelNext--;
			}
		}
		if (style == SCE_ECL_WORD2) {
			if (MatchNoCase(styler, i, "record") || MatchNoCase(styler, i, "transform") || MatchNoCase(styler, i, "type") || MatchNoCase(styler, i, "function") || 
				MatchNoCase(styler, i, "module") || MatchNoCase(styler, i, "service") || MatchNoCase(styler, i, "interface") || MatchNoCase(styler, i, "ifblock") ||
				MatchNoCase(styler, i, "macro") || MatchNoCase(styler, i, "beginc++")) {
				levelNext++;
			} else if (MatchNoCase(styler, i, "endmacro") || MatchNoCase(styler, i, "endc++") || MatchNoCase(styler, i, "end")) {
				levelNext--;
			}
		}
		if (atEOL || (i == endPos-1)) {
			int levelUse = levelCurrent;
			if (foldAtElse) {
				levelUse = levelMinCurrent;
			}
			int lev = levelUse | levelNext << 16;
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if (levelUse < levelNext)
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelCurrent = levelNext;
			levelMinCurrent = levelCurrent;
			if (atEOL && (i == static_cast<unsigned int>(styler.Length()-1))) {
				// There is an empty line at end of file so give it same level and empty
				styler.SetLevel(lineCurrent, (levelCurrent | levelCurrent << 16) | SC_FOLDLEVELWHITEFLAG);
			}
			visibleChars = 0;
//.........这里部分代码省略.........

static void FoldPlmDoc(unsigned int startPos,
                       int length,
                       int initStyle,
                       WordList *[],
                       Accessor &styler)
{
	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	int levelCurrent = levelPrev;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;
	int startKeyword = 0;

	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');

		if (stylePrev != SCE_PLM_KEYWORD && style == SCE_PLM_KEYWORD)
			startKeyword = i;

		if (style == SCE_PLM_KEYWORD && styleNext != SCE_PLM_KEYWORD) {
			char word[1024];
			GetRange(startKeyword, i, styler, word, sizeof(word));

			if (strcmp(word, "procedure") == 0 || strcmp(word, "do") == 0)
				levelCurrent++;
			else if (strcmp(word, "end") == 0)
				levelCurrent--;
		}

		if (foldComment) {
			if (stylePrev != SCE_PLM_COMMENT && style == SCE_PLM_COMMENT)
				levelCurrent++;
			else if (stylePrev == SCE_PLM_COMMENT && style != SCE_PLM_COMMENT)
				levelCurrent--;
		}

		if (atEOL) {
			int lev = levelPrev;
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if ((levelCurrent > levelPrev) && (visibleChars > 0))
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelPrev = levelCurrent;
			visibleChars = 0;
		}

		if (!isspacechar(ch))
			visibleChars++;
	}

	int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
	styler.SetLevel(lineCurrent, levelPrev | flagsNext);
}

static void FoldABAQUSDoc(unsigned int startPos, int length, int,
WordList *[], Accessor &styler) {
    int startLine = styler.GetLine(startPos) ;
    int endLine   = styler.GetLine(startPos+length-1) ;

    // bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
    // We want to deal with all the cases
    // To know the correct indentlevel, we need to look back to the
    // previous command line indentation level
	// order of formatting keyline datalines commentlines
    int beginData    = -1 ;
    int beginComment = -1 ;
    int prvKeyLine   = startLine ;
    int prvKeyLineTp =  0 ;

    // Scan until we find the previous keyword line
    // this will give us the level reference that we need
    while ( prvKeyLine > 0 ) {
        prvKeyLine-- ;
        prvKeyLineTp = LineType(prvKeyLine, styler) ;
        if ( prvKeyLineTp & 4 )
            break ;
    }

    // Determine the base line level of all lines following
    // the previous keyword
    // new keyword lines are placed on this level
    //if ( prvKeyLineTp & 4 ) {
    int level = styler.LevelAt(prvKeyLine) & ~SC_FOLDLEVELHEADERFLAG ;
    //}

    // uncomment line below if weird behaviour continues
    prvKeyLine = -1 ;

    // Now start scanning over the lines.
    for ( int line = startLine; line <= endLine; line++ ) {
        int lineType = LineType(line, styler) ;

        // Check for comment line
        if ( lineType == 8 ) {
            if ( beginComment < 0 ) {
                beginComment = line ;
			}
        }

        // Check for data line
        if ( (lineType == 1) || (lineType == 3) ) {
            if ( beginData < 0 ) {
                if ( beginComment >= 0 ) {
                    beginData = beginComment ;
                } else {
                    beginData = line ;
                }
            }
			beginComment = -1 ;
		}

        // Check for keywordline.
        // As soon as a keyword line is encountered, we can set the
        // levels of everything from the previous keyword line to this one
        if ( lineType & 4 ) {
            // this is a keyword, we can now place the previous keyword
            // all its data lines and the remainder

            // Write comments and data line
            if ( beginComment < 0 ) {
                beginComment = line ;
			}

            if ( beginData < 0 ) {
                beginData = beginComment ;
				if ( prvKeyLineTp != 5 )
					SafeSetLevel(prvKeyLine, level, styler) ;
				else
					SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
            } else {
                SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
            }

            int datLevel = level + 1 ;
			if ( !(prvKeyLineTp & 4) ) {
				datLevel = level ;
			}

            for ( int ll = beginData; ll < beginComment; ll++ )
                SafeSetLevel(ll, datLevel, styler) ;

            // The keyword we just found is going to be written at another level
            // if we have a type 5 and type 6
            if ( prvKeyLineTp == 5 ) {
                level += 1 ;
			}

            if ( prvKeyLineTp == 6 ) {
                level -= 1 ;
				if ( level < 0 ) {
					level = 0 ;
				}
            }

//.........这里部分代码省略.........

// Folding the code
static void FoldDMAPDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
                           WordList *[], Accessor &styler) {
    //
    // bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
    // Do not know how to fold the comment at the moment.
    //
    bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
    Sci_PositionU endPos = startPos + length;
    int visibleChars = 0;
    Sci_Position lineCurrent = styler.GetLine(startPos);
    int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
    int levelCurrent = levelPrev;
    char chNext = styler[startPos];
    int styleNext = styler.StyleAt(startPos);
    int style = initStyle;
    /***************************************/
    Sci_Position lastStart = 0;
    char prevWord[32] = "";
    /***************************************/
    for (Sci_PositionU i = startPos; i < endPos; i++) {
        char ch = chNext;
        chNext = styler.SafeGetCharAt(i + 1);
        int stylePrev = style;
        style = styleNext;
        styleNext = styler.StyleAt(i + 1);
        bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
        //
        if ((stylePrev == SCE_DMAP_DEFAULT || stylePrev == SCE_DMAP_OPERATOR || stylePrev == SCE_DMAP_COMMENT) && (style == SCE_DMAP_WORD)) {
            // Store last word and label start point.
            lastStart = i;
        }
        /***************************************/
        if (style == SCE_DMAP_WORD) {
            if(iswordchar(ch) && !iswordchar(chNext)) {
                char s[32];
                Sci_PositionU k;
                for(k=0; (k<31 ) && (k<i-lastStart+1 ); k++) {
                    s[k] = static_cast<char>(tolower(styler[lastStart+k]));
                }
                s[k] = '\0';
                levelCurrent += classifyFoldPointDMAP(s, prevWord);
                strcpy(prevWord, s);
            }
        }
        if (atEOL) {
            int lev = levelPrev;
            if (visibleChars == 0 && foldCompact)
                lev |= SC_FOLDLEVELWHITEFLAG;
            if ((levelCurrent > levelPrev) && (visibleChars > 0))
                lev |= SC_FOLDLEVELHEADERFLAG;
            if (lev != styler.LevelAt(lineCurrent)) {
                styler.SetLevel(lineCurrent, lev);
            }
            lineCurrent++;
            levelPrev = levelCurrent;
            visibleChars = 0;
            strcpy(prevWord, "");
        }
        /***************************************/
        if (!isspacechar(ch)) visibleChars++;
    }
    /***************************************/
    // Fill in the real level of the next line, keeping the current flags as they will be filled in later
    int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
    styler.SetLevel(lineCurrent, levelPrev | flagsNext);
}

//  <--- Fold --->
void GmodLua::Fold_Doc(unsigned int startPos, int length, int initStyle, Accessor &styler)
{
	unsigned int lengthDoc = startPos + length;
	int lineCurrent = styler.GetLine(startPos);
	int levelCurrent = SC_FOLDLEVELBASE;
	if (lineCurrent > 1)
		levelCurrent = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	else
		styler.SetLevel(lineCurrent, SC_FOLDLEVELBASE);
	int levelNext = levelCurrent;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style = initStyle;
	char s[10];

	for (unsigned int i = startPos; i < lengthDoc; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
		if (style == WORD0 && stylePrev != WORD0) {
			if (ch == 'i' || ch == 'd' || ch == 'f' || ch == 'e' || ch == 'r' || ch == 'u') {
				unsigned int j;
				for (j = 0; j < 8 && iswordchar(styler.SafeGetCharAt(i + j)); j++) {
					s[j] = styler[i + j];
				}
				s[j] = '\0';

				if ((strcmp(s, "if") == 0) || (strcmp(s, "do") == 0) || (strcmp(s, "function") == 0) || (strcmp(s, "repeat") == 0)) {
					levelNext++;
				}
				if ((strcmp(s, "end") == 0) || (strcmp(s, "until") == 0)) {
					levelNext--;
				}
			}
		} else if (style == OPERATOR) {
			if (ch == '{'){
				levelNext++;
			} else if (ch == '}'){
				levelNext--;
			}
		} else if ((style == LITERALSTRING || style == LUA_COMMENT || style == CPP_COMMENT) &&
				!(stylePrev == LITERALSTRING || stylePrev == LUA_COMMENT || stylePrev == CPP_COMMENT) &&
				(ch == '[' || ch == '/' || ch == '-')) {
			levelNext++;
		} else if ((style == LITERALSTRING || style == LUA_COMMENT || style == CPP_COMMENT) &&
				!(styleNext == LITERALSTRING || styleNext == LUA_COMMENT || styleNext == CPP_COMMENT) &&
				(ch == ']' || ch == '/')) {
			levelNext--;
		} else if (style == CPP_COMMENTLINE || style == LUA_COMMENTLINE) {
			if ((ch == '/' && chNext == '/') || (ch == '-' && chNext == '-')) {
				char chNext2 = styler.SafeGetCharAt(i + 2);
				if (chNext2 == '{') {
					levelNext++;
				} else if (chNext2 == '}') {
					levelNext--;
				}
			}
		}

		if (atEOL || (i == lengthDoc-1)) {
			int lev = levelNext;
			int levCur = levelCurrent;
			if (levelNext > levelCurrent) {
				levCur |= SC_FOLDLEVELHEADERFLAG;
			}
			styler.SetLevel(lineCurrent, levCur);
			styler.SetLevel(lineCurrent+1, lev);
			lineCurrent++;
			levelCurrent = levelNext;
		}
	}
	//char lastChar = styler.SafeGetCharAt(lengthDoc-1);
	//if ((unsigned)styler.Length() == lengthDoc && (lastChar == '\n' || lastChar == '\r')) {
	//	styler.SetLevel(lineCurrent, levelCurrent);
	//}
}

// Folding support (for DO, IFF, SWITCH, TEXT, and command groups)
static void FoldTCMDDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler)
{
	int line = styler.GetLine(startPos);
	int level = styler.LevelAt(line);
	int levelIndent = 0;
	unsigned int endPos = startPos + length;
	char s[16];

    char chPrev = styler.SafeGetCharAt(startPos - 1);

	// Scan for ( and )
	for (unsigned int i = startPos; i < endPos; i++) {

		int c = styler.SafeGetCharAt(i, '\n');
		int style = styler.StyleAt(i);
        bool bLineStart = ((chPrev == '\r') || (chPrev == '\n')) || i == 0;

		if (style == SCE_TCMD_OPERATOR) {
			// CheckFoldPoint
			if (c == '(') {
				levelIndent += 1;
			} else if (c == ')') {
				levelIndent -= 1;
			}
		}

        if (( bLineStart ) && ( style == SCE_TCMD_WORD )) {
            for (unsigned int j = 0; j < 10; j++) {
                if (!iswordchar(styler[i + j])) {
                    break;
                }
                s[j] = styler[i + j];
                s[j + 1] = '\0';
            }

			StrUpr( s );
            if ((strcmp(s, "DO") == 0) || (strcmp(s, "IFF") == 0) || (strcmp(s, "SWITCH") == 0) || (strcmp(s, "TEXT") == 0)) {
                levelIndent++;
            } else if ((strcmp(s, "ENDDO") == 0) || (strcmp(s, "ENDIFF") == 0) || (strcmp(s, "ENDSWITCH") == 0) || (strcmp(s, "ENDTEXT") == 0)) {
                levelIndent--;
            }
        }

		if (c == '\n') { // line end
				if (levelIndent > 0) {
						level |= SC_FOLDLEVELHEADERFLAG;
				}
				if (level != styler.LevelAt(line))
						styler.SetLevel(line, level);
				level += levelIndent;
				if ((level & SC_FOLDLEVELNUMBERMASK) < SC_FOLDLEVELBASE)
						level = SC_FOLDLEVELBASE;
				line++;
				// reset state
				levelIndent = 0;
				level &= ~SC_FOLDLEVELHEADERFLAG;
				level &= ~SC_FOLDLEVELWHITEFLAG;
		}

		chPrev = c;
	}
}

static void FoldEiffelDocKeyWords(unsigned int startPos, int length, int /* initStyle */, WordList *[],
                       Accessor &styler) {
	unsigned int lengthDoc = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
	int levelCurrent = levelPrev;
	char chNext = styler[startPos];
	int stylePrev = 0;
	int styleNext = styler.StyleAt(startPos);
	// lastDeferred should be determined by looking back to last keyword in case
	// the "deferred" is on a line before "class"
	bool lastDeferred = false;
	for (unsigned int i = startPos; i < lengthDoc; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		int style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
		if ((stylePrev != SCE_EIFFEL_WORD) && (style == SCE_EIFFEL_WORD)) {
			char s[20];
			unsigned int j = 0;
			while ((j < (sizeof(s) - 1)) && (iswordchar(styler[i + j]))) {
				s[j] = styler[i + j];
				j++;
			}
			s[j] = '\0';

			if (
				(strcmp(s, "check") == 0) ||
				(strcmp(s, "debug") == 0) ||
				(strcmp(s, "deferred") == 0) ||
				(strcmp(s, "do") == 0) ||
				(strcmp(s, "from") == 0) ||
				(strcmp(s, "if") == 0) ||
				(strcmp(s, "inspect") == 0) ||
				(strcmp(s, "once") == 0)
			)
				levelCurrent++;
			if (!lastDeferred && (strcmp(s, "class") == 0))
				levelCurrent++;
			if (strcmp(s, "end") == 0)
				levelCurrent--;
			lastDeferred = strcmp(s, "deferred") == 0;
		}

		if (atEOL) {
			int lev = levelPrev;
			if (visibleChars == 0)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if ((levelCurrent > levelPrev) && (visibleChars > 0))
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelPrev = levelCurrent;
			visibleChars = 0;
		}
		if (!isspacechar(ch))
			visibleChars++;
		stylePrev = style;
	}
	// Fill in the real level of the next line, keeping the current flags as they will be filled in later
	int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
	styler.SetLevel(lineCurrent, levelPrev | flagsNext);
}

static void FoldTADS3Doc(unsigned int startPos, int length, int initStyle,
                            WordList *[], Accessor &styler) {
        unsigned int endPos = startPos + length;
        int lineCurrent = styler.GetLine(startPos);
        int levelCurrent = SC_FOLDLEVELBASE;
        if (lineCurrent > 0)
                levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
        int seenStart = levelCurrent & T3_SEENSTART;
        int expectingIdentifier = levelCurrent & T3_EXPECTINGIDENTIFIER;
        int expectingPunctuation = levelCurrent & T3_EXPECTINGPUNCTUATION;
        levelCurrent &= SC_FOLDLEVELNUMBERMASK;
        int levelMinCurrent = levelCurrent;
        int levelNext = levelCurrent;
        char chNext = styler[startPos];
        int styleNext = styler.StyleAt(startPos);
        int style = initStyle;
        char ch = chNext;
        int stylePrev = style;
        bool redo = false;
        for (unsigned int i = startPos; i < endPos; i++) {
                if (redo) {
                        redo = false;
                        i--;
                } else {
                        ch = chNext;
                        chNext = styler.SafeGetCharAt(i + 1);
                        stylePrev = style;
                        style = styleNext;
                        styleNext = styler.StyleAt(i + 1);
                }
                bool atEOL = IsEOL(ch, chNext);

                if (levelNext == SC_FOLDLEVELBASE) {
                        if (IsSpaceEquivalent(ch, style)) {
                                if (expectingPunctuation) {
                                        expectingIdentifier = 0;
                                }
                                if (style == SCE_T3_BLOCK_COMMENT) {
                                        levelNext++;
                                }
                        } else if (ch == '{') {
                                levelNext++;
                                seenStart = 0;
                        } else if (ch == '\'' || ch == '"' || ch == '[') {
                                levelNext++;
                                if (seenStart) {
                                        redo = true;
                                }
                        } else if (ch == ';') {
                                seenStart = 0;
                                expectingIdentifier = 0;
                                expectingPunctuation = 0;
                        } else if (expectingIdentifier && expectingPunctuation) {
                                if (IsATADS3Punctuation(ch)) {
                                        if (ch == ')' && peekAhead(i+1, endPos, styler) != '{') {
                                                levelNext++;
                                        } else {
                                                expectingPunctuation = 0;
                                        }
                                } else if (!IsAnIdentifier(style)) {
                                        levelNext++;
                                }
                        } else if (expectingIdentifier && !expectingPunctuation) {
                                if (!IsAnIdentifier(style)) {
                                        levelNext++;
                                } else {
                                        expectingPunctuation = T3_EXPECTINGPUNCTUATION;
                                }
                        } else if (!expectingIdentifier && expectingPunctuation) {
                                if (!IsATADS3Punctuation(ch)) {
                                        levelNext++;
                                } else {
                                        if (ch == ')' && peekAhead(i+1, endPos, styler) != '{') {
                                                levelNext++;
                                        } else {
                                                expectingIdentifier = T3_EXPECTINGIDENTIFIER;
                                                expectingPunctuation = 0;
                                        }
                                }
                        } else if (!expectingIdentifier && !expectingPunctuation) {
                                if (IsAnIdentifier(style)) {
                                        seenStart = T3_SEENSTART;
                                        expectingIdentifier = T3_EXPECTINGIDENTIFIER;
                                        expectingPunctuation = T3_EXPECTINGPUNCTUATION;
                                }
                        }

                        if (levelNext != SC_FOLDLEVELBASE && style != SCE_T3_BLOCK_COMMENT) {
                                expectingIdentifier = 0;
                                expectingPunctuation = 0;
                        }

                } else if (levelNext == SC_FOLDLEVELBASE+1 && seenStart
                                   && ch == ';' && IsAnOperator(style)) {
                        levelNext--;
                        seenStart = 0;
                } else if (style == SCE_T3_BLOCK_COMMENT) {
                        if (stylePrev != SCE_T3_BLOCK_COMMENT) {
                                levelNext++;
                        } else if (styleNext != SCE_T3_BLOCK_COMMENT && !atEOL) {
//.........这里部分代码省略.........

// Store both the current line's fold level and the next lines in the
// level store to make it easy to pick up with each increment
// and to make it possible to fiddle the current level for "} else {".
static void FoldPowerShellDoc(unsigned int startPos, int length, int initStyle,
                           WordList *[], Accessor &styler) {
  bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
  bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
  bool foldAtElse = styler.GetPropertyInt("fold.at.else", 0) != 0;
  unsigned int endPos = startPos + length;
  int visibleChars = 0;
  int lineCurrent = styler.GetLine(startPos);
  int levelCurrent = SC_FOLDLEVELBASE;
  if (lineCurrent > 0)
    levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
  int levelMinCurrent = levelCurrent;
  int levelNext = levelCurrent;
  char chNext = styler[startPos];
  int styleNext = styler.StyleAt(startPos);
  int style = initStyle;
  for (unsigned int i = startPos; i < endPos; i++) {
    char ch = chNext;
    chNext = styler.SafeGetCharAt(i + 1);
    int stylePrev = style;
    style = styleNext;
    styleNext = styler.StyleAt(i + 1);
    bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
    if (style == SCE_POWERSHELL_OPERATOR) {
      if (ch == '{') {
        // Measure the minimum before a '{' to allow
        // folding on "} else {"
        if (levelMinCurrent > levelNext) {
          levelMinCurrent = levelNext;
        }
        levelNext++;
      } else if (ch == '}') {
        levelNext--;
      }
    } else if (foldComment && style == SCE_POWERSHELL_COMMENTSTREAM) {
      if (stylePrev != SCE_POWERSHELL_COMMENTSTREAM && stylePrev != SCE_POWERSHELL_COMMENTDOCKEYWORD) {
        levelNext++;
      } else if (styleNext != SCE_POWERSHELL_COMMENTSTREAM && styleNext != SCE_POWERSHELL_COMMENTDOCKEYWORD) {
        levelNext--;
      }
    } else if (foldComment && style == SCE_POWERSHELL_COMMENT) {
      if (ch == '#') {
        unsigned int j = i + 1;
        while ((j < endPos) && IsASpaceOrTab(styler.SafeGetCharAt(j))) {
          j++;
        }
        if (styler.Match(j, "region")) {
          levelNext++;
        } else if (styler.Match(j, "endregion")) {
          levelNext--;
        }
      }
    }
    if (!IsASpace(ch))
      visibleChars++;
    if (atEOL || (i == endPos-1)) {
      int levelUse = levelCurrent;
      if (foldAtElse) {
        levelUse = levelMinCurrent;
      }
      int lev = levelUse | levelNext << 16;
      if (visibleChars == 0 && foldCompact)
        lev |= SC_FOLDLEVELWHITEFLAG;
      if (levelUse < levelNext)
        lev |= SC_FOLDLEVELHEADERFLAG;
      if (lev != styler.LevelAt(lineCurrent)) {
        styler.SetLevel(lineCurrent, lev);
      }
      lineCurrent++;
      levelCurrent = levelNext;
      levelMinCurrent = levelCurrent;
      visibleChars = 0;
    }
  }
}

// Store both the current line's fold level and the next lines in the
// level store to make it easy to pick up with each increment
// and to make it possible to fiddle the current level for "} else {".
static void FoldNoBoxSpecmanDoc(unsigned int startPos, int length, int,
                            Accessor &styler) {
	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
	bool foldAtElse = styler.GetPropertyInt("fold.at.else", 0) != 0;
	unsigned int endPos = startPos + length;
	int visibleChars = 0;
	int lineCurrent = styler.GetLine(startPos);
	int levelCurrent = SC_FOLDLEVELBASE;
	if (lineCurrent > 0)
		levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
	int levelMinCurrent = levelCurrent;
	int levelNext = levelCurrent;
	char chNext = styler[startPos];
	int styleNext = styler.StyleAt(startPos);
	int style;
	for (unsigned int i = startPos; i < endPos; i++) {
		char ch = chNext;
		chNext = styler.SafeGetCharAt(i + 1);
		//int stylePrev = style;
		style = styleNext;
		styleNext = styler.StyleAt(i + 1);
		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
		if (foldComment && (style == SCE_SN_COMMENTLINE)) {
			if (((ch == '/') && (chNext == '/')) ||
                            ((ch == '-') && (chNext == '-'))) {
				char chNext2 = styler.SafeGetCharAt(i + 2);
				if (chNext2 == '{') {
					levelNext++;
				} else if (chNext2 == '}') {
					levelNext--;
				}
			}
		}
		if (style == SCE_SN_OPERATOR) {
			if (ch == '{') {
				// Measure the minimum before a '{' to allow
				// folding on "} else {"
				if (levelMinCurrent > levelNext) {
					levelMinCurrent = levelNext;
				}
				levelNext++;
			} else if (ch == '}') {
				levelNext--;
			}
		}
		if (atEOL) {
			int levelUse = levelCurrent;
			if (foldAtElse) {
				levelUse = levelMinCurrent;
			}
			int lev = levelUse | levelNext << 16;
			if (visibleChars == 0 && foldCompact)
				lev |= SC_FOLDLEVELWHITEFLAG;
			if (levelUse < levelNext)
				lev |= SC_FOLDLEVELHEADERFLAG;
			if (lev != styler.LevelAt(lineCurrent)) {
				styler.SetLevel(lineCurrent, lev);
			}
			lineCurrent++;
			levelCurrent = levelNext;
			levelMinCurrent = levelCurrent;
			visibleChars = 0;
		}
		if (!isspacechar(ch))
			visibleChars++;
	}
}

static void FoldMSSQLDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
  bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
  bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
  unsigned int endPos = startPos + length;
  int visibleChars = 0;
  int lineCurrent = styler.GetLine(startPos);
  int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
  int levelCurrent = levelPrev;
  char chNext = styler[startPos];
  bool inComment = (styler.StyleAt(startPos-1) == SCE_MSSQL_COMMENT);
    char s[10] = "";
  for (unsigned int i = startPos; i < endPos; i++) {
    char ch = chNext;
    chNext = styler.SafeGetCharAt(i + 1);
    int style = styler.StyleAt(i);
    bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
        // Comment folding
    if (foldComment) {
      if (!inComment && (style == SCE_MSSQL_COMMENT))
        levelCurrent++;
      else if (inComment && (style != SCE_MSSQL_COMMENT))
        levelCurrent--;
      inComment = (style == SCE_MSSQL_COMMENT);
    }
        if (style == SCE_MSSQL_STATEMENT) {
            // Folding between begin or case and end
            if (ch == 'b' || ch == 'B' || ch == 'c' || ch == 'C' || ch == 'e' || ch == 'E') {
                for (unsigned int j = 0; j < 5; j++) {
          if (!iswordchar(styler[i + j])) {
            break;
          }
          s[j] = static_cast<char>(tolower(styler[i + j]));
          s[j + 1] = '\0';
                }
        if ((strcmp(s, "begin") == 0) || (strcmp(s, "case") == 0)) {
          levelCurrent++;
        }
        if (strcmp(s, "end") == 0) {
          levelCurrent--;
        }
            }
        }
    if (atEOL) {
      int lev = levelPrev;
      if (visibleChars == 0 && foldCompact)
        lev |= SC_FOLDLEVELWHITEFLAG;
      if ((levelCurrent > levelPrev) && (visibleChars > 0))
        lev |= SC_FOLDLEVELHEADERFLAG;
      if (lev != styler.LevelAt(lineCurrent)) {
        styler.SetLevel(lineCurrent, lev);
      }
      lineCurrent++;
      levelPrev = levelCurrent;
      visibleChars = 0;
    }
    if (!isspacechar(ch))
      visibleChars++;
  }
  // Fill in the real level of the next line, keeping the current flags as they will be filled in later
  int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
  styler.SetLevel(lineCurrent, levelPrev | flagsNext);
}