/* The following code was generated by JFlex 1.4.1 on 24/10/09 14:10 */ /********************************************************************* * * Copyright (C) 2002 Andrew Khan * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ***************************************************************************/ package jxl.biff.formula; /** * This file is generated by JLex. Do not alter the contents of this file * because changes will be overridden */ import jxl.biff.WorkbookMethods; /** * This class is a scanner generated by * <a href="http://www.jflex.de/">JFlex</a> 1.4.1 * on 24/10/09 14:10 from the specification file * <tt>xlformula.flex</tt> */ class Yylex { /** This character denotes the end of file */ public static final int YYEOF = -1; /** initial size of the lookahead buffer */ private static final int ZZ_BUFFERSIZE = 16384; /** lexical states */ public static final int YYSTRING = 1; public static final int YYINITIAL = 0; /** * Translates characters to character classes */ private static final String ZZ_CMAP_PACKED = "\10\0\3\25\25\0\1\25\1\24\1\21\1\26\1\10\2\0\1\22"+ "\1\5\1\6\1\41\1\37\1\4\1\40\1\7\1\33\1\34\11\2"+ "\1\3\1\0\1\44\1\43\1\42\1\36\1\0\1\16\2\1\1\30"+ "\1\14\1\15\2\1\1\31\2\1\1\17\1\35\1\27\3\1\1\12"+ "\1\20\1\11\1\13\1\32\4\1\4\0\1\23\1\0\32\1\uff85\0"; /** * Translates characters to character classes */ private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); /** * Translates DFA states to action switch labels. */ private static final int [] ZZ_ACTION = zzUnpackAction(); private static final String ZZ_ACTION_PACKED_0 = "\1\0\1\1\1\2\1\3\1\4\1\5\1\6\1\7"+ "\1\0\2\2\1\10\1\0\1\11\1\0\1\12\1\13"+ "\1\14\1\15\1\16\1\17\1\20\1\1\1\21\1\2"+ "\1\22\1\0\1\23\1\0\1\2\3\0\2\2\5\0"+ "\1\24\1\25\1\26\1\2\1\0\1\27\1\0\1\22"+ "\2\0\1\30\1\0\2\2\10\0\1\27\1\0\1\31"+ "\1\0\1\32\10\0\1\33\2\0\1\31\2\0\1\34"+ "\4\0\1\35\3\0\1\35\1\0\1\36\1\0"; private static int [] zzUnpackAction() { int [] result = new int[94]; int offset = 0; offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result); return result; } private static int zzUnpackAction(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); do result[j++] = value; while (--count > 0); } return j; } /** * Translates a state to a row index in the transition table */ private static final int [] ZZ_ROWMAP = zzUnpackRowMap(); private static final String ZZ_ROWMAP_PACKED_0 = "\0\0\0\45\0\112\0\157\0\224\0\224\0\224\0\224"+ "\0\271\0\336\0\u0103\0\224\0\u0128\0\224\0\u014d\0\224"+ "\0\224\0\224\0\224\0\u0172\0\224\0\u0197\0\u01bc\0\224"+ "\0\u01e1\0\u0206\0\u022b\0\224\0\u0250\0\u0275\0\u029a\0\u02bf"+ "\0\u02e4\0\u0309\0\u032e\0\u0353\0\u0378\0\u039d\0\u03c2\0\u03e7"+ "\0\224\0\224\0\224\0\u040c\0\u0431\0\u0456\0\u047b\0\u04a0"+ "\0\u04c5\0\u04ea\0\u02bf\0\u050f\0\u0534\0\u0559\0\u057e\0\u05a3"+ "\0\u05c8\0\u05ed\0\u0612\0\u0637\0\u065c\0\u0681\0\224\0\u06a6"+ "\0\u06cb\0\u06cb\0\u040c\0\u06f0\0\u0715\0\u073a\0\u075f\0\u0784"+ "\0\u07a9\0\u07ce\0\u07f3\0\u0818\0\u0818\0\u083d\0\u0862\0\u0887"+ "\0\u08ac\0\224\0\u08d1\0\u08f6\0\u091b\0\u0940\0\u0965\0\u098a"+ "\0\u09af\0\u09d4\0\224\0\u09f9\0\u0a1e\0\u0a1e"; private static int [] zzUnpackRowMap() { int [] result = new int[94]; int offset = 0; offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result); return result; } private static int zzUnpackRowMap(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int high = packed.charAt(i++) << 16; result[j++] = high | packed.charAt(i++); } return j; } /** * The transition table of the DFA */ private static final int [] ZZ_TRANS = zzUnpackTrans(); private static final String ZZ_TRANS_PACKED_0 = "\1\0\1\3\1\4\1\5\1\6\1\7\1\10\1\0"+ "\1\11\1\12\3\3\1\13\3\3\1\14\1\15\2\0"+ "\1\16\1\17\4\3\1\20\1\4\1\3\1\0\1\21"+ "\1\22\1\23\1\24\1\25\1\26\21\27\1\30\23\27"+ "\1\0\1\31\1\32\1\33\1\0\1\34\2\0\1\35"+ "\10\31\2\0\1\36\1\37\2\0\4\31\1\0\1\32"+ "\1\31\11\0\1\4\4\0\1\40\24\0\1\4\56\0"+ "\1\41\7\0\10\41\6\0\4\41\2\0\1\41\10\0"+ "\1\31\1\32\1\33\1\0\1\34\2\0\1\35\1\31"+ "\1\42\6\31\2\0\1\36\1\37\2\0\4\31\1\0"+ "\1\32\1\31\10\0\1\31\1\32\1\33\1\0\1\34"+ "\2\0\1\35\5\31\1\43\2\31\2\0\1\36\1\37"+ "\2\0\4\31\1\0\1\32\1\31\7\0\22\15\1\44"+ "\22\15\12\0\1\45\14\0\1\46\1\47\1\0\1\50"+ "\55\0\1\51\43\0\1\52\1\53\1\0\21\27\1\0"+ "\23\27\1\0\1\54\1\32\1\33\1\0\1\34\2\0"+ "\1\35\10\54\2\0\1\36\1\37\2\0\4\54\1\0"+ "\1\32\1\54\10\0\1\36\1\32\1\55\5\0\10\36"+ "\2\0\1\36\3\0\4\36\1\0\1\32\1\36\10\0"+ "\1\56\6\0\1\57\10\56\6\0\4\56\2\0\1\56"+ "\11\0\1\60\31\0\1\60\11\0\2\36\6\0\10\36"+ "\2\0\1\36\3\0\4\36\1\0\2\36\10\0\1\61"+ "\6\0\1\62\10\61\6\0\4\61\2\0\1\61\11\0"+ "\1\63\31\0\1\63\11\0\1\64\1\60\1\33\4\0"+ "\1\35\10\64\6\0\4\64\1\0\1\60\1\64\10\0"+ "\1\54\1\32\1\33\1\0\1\34\2\0\1\35\2\54"+ "\1\65\5\54\2\0\1\36\1\37\2\0\4\54\1\0"+ "\1\32\1\54\10\0\1\54\1\32\1\33\1\0\1\34"+ "\2\0\1\35\6\54\1\66\1\54\2\0\1\36\1\37"+ "\2\0\4\54\1\0\1\32\1\54\33\0\1\67\34\0"+ "\1\70\43\0\1\71\2\0\1\72\57\0\1\73\31\0"+ "\1\74\27\0\1\54\1\36\2\0\1\34\3\0\10\54"+ "\2\0\1\36\1\37\2\0\4\54\1\0\1\36\1\54"+ "\10\0\1\75\6\0\1\76\10\75\6\0\4\75\2\0"+ "\1\75\10\0\1\77\7\0\10\77\6\0\4\77\2\0"+ "\1\77\10\0\1\56\7\0\10\56\6\0\4\56\2\0"+ "\1\56\11\0\1\60\1\55\30\0\1\60\11\0\1\100"+ "\1\101\5\0\1\102\10\100\6\0\4\100\1\0\1\101"+ "\1\100\10\0\1\61\7\0\10\61\6\0\4\61\2\0"+ "\1\61\11\0\1\60\1\33\4\0\1\35\23\0\1\60"+ "\11\0\1\54\1\36\2\0\1\34\3\0\3\54\1\103"+ "\4\54\2\0\1\36\1\37\2\0\4\54\1\0\1\36"+ "\1\54\10\0\1\54\1\36\2\0\1\34\3\0\7\54"+ "\1\65\2\0\1\36\1\37\2\0\4\54\1\0\1\36"+ "\1\54\10\0\1\104\6\0\1\105\10\104\6\0\4\104"+ "\2\0\1\104\24\0\1\106\46\0\1\107\15\0\1\106"+ "\44\0\1\110\41\0\1\111\31\0\1\112\26\0\1\113"+ "\1\114\5\0\1\115\10\113\6\0\4\113\1\0\1\114"+ "\1\113\10\0\1\75\7\0\10\75\6\0\4\75\2\0"+ "\1\75\11\0\1\101\5\0\1\102\23\0\1\101\12\0"+ "\1\101\31\0\1\101\11\0\1\116\1\117\1\120\4\0"+ "\1\121\10\116\6\0\4\116\1\0\1\117\1\116\10\0"+ "\1\104\7\0\10\104\6\0\4\104\2\0\1\104\33\0"+ "\1\122\37\0\1\106\41\0\1\123\63\0\1\124\24\0"+ "\1\125\33\0\1\114\5\0\1\115\23\0\1\114\12\0"+ "\1\114\31\0\1\114\12\0\1\117\1\120\4\0\1\121"+ "\23\0\1\117\12\0\1\117\1\126\30\0\1\117\11\0"+ "\1\127\6\0\1\130\10\127\6\0\4\127\2\0\1\127"+ "\11\0\1\117\31\0\1\117\46\0\1\122\42\0\1\106"+ "\24\0\1\106\31\0\1\131\6\0\1\132\10\131\6\0"+ "\4\131\2\0\1\131\10\0\1\133\7\0\10\133\6\0"+ "\4\133\2\0\1\133\10\0\1\127\7\0\10\127\6\0"+ "\4\127\2\0\1\127\10\0\1\134\1\135\5\0\1\136"+ "\10\134\6\0\4\134\1\0\1\135\1\134\10\0\1\131"+ "\7\0\10\131\6\0\4\131\2\0\1\131\11\0\1\135"+ "\5\0\1\136\23\0\1\135\12\0\1\135\31\0\1\135"+ "\10\0"; private static int [] zzUnpackTrans() { int [] result = new int[2627]; int offset = 0; offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result); return result; } private static int zzUnpackTrans(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); value--; do result[j++] = value; while (--count > 0); } return j; } /* error codes */ private static final int ZZ_UNKNOWN_ERROR = 0; private static final int ZZ_NO_MATCH = 1; private static final int ZZ_PUSHBACK_2BIG = 2; /* error messages for the codes above */ private static final String ZZ_ERROR_MSG[] = { "Unkown internal scanner error", "Error: could not match input", "Error: pushback value was too large" }; /** * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code> */ private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute(); private static final String ZZ_ATTRIBUTE_PACKED_0 = "\1\0\3\1\4\11\1\0\2\1\1\11\1\0\1\11"+ "\1\0\4\11\1\1\1\11\2\1\1\11\2\1\1\0"+ "\1\11\1\0\1\1\3\0\2\1\5\0\3\11\1\1"+ "\1\0\1\1\1\0\1\1\2\0\1\1\1\0\2\1"+ "\10\0\1\11\1\0\1\1\1\0\1\1\10\0\1\1"+ "\2\0\1\1\2\0\1\11\4\0\1\1\3\0\1\11"+ "\1\0\1\1\1\0"; private static int [] zzUnpackAttribute() { int [] result = new int[94]; int offset = 0; offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result); return result; } private static int zzUnpackAttribute(String packed, int offset, int [] result) { int i = 0; /* index in packed string */ int j = offset; /* index in unpacked array */ int l = packed.length(); while (i < l) { int count = packed.charAt(i++); int value = packed.charAt(i++); do result[j++] = value; while (--count > 0); } return j; } /** the input device */ private java.io.Reader zzReader; /** the current state of the DFA */ private int zzState; /** the current lexical state */ private int zzLexicalState = YYINITIAL; /** this buffer contains the current text to be matched and is the source of the yytext() string */ private char zzBuffer[] = new char[ZZ_BUFFERSIZE]; /** the textposition at the last accepting state */ private int zzMarkedPos; /** the textposition at the last state to be included in yytext */ private int zzPushbackPos; /** the current text position in the buffer */ private int zzCurrentPos; /** startRead marks the beginning of the yytext() string in the buffer */ private int zzStartRead; /** endRead marks the last character in the buffer, that has been read from input */ private int zzEndRead; /** number of newlines encountered up to the start of the matched text */ private int yyline; /** the number of characters up to the start of the matched text */ private int yychar; /** * the number of characters from the last newline up to the start of the * matched text */ private int yycolumn; /** * zzAtBOL == true <=> the scanner is currently at the beginning of a line */ private boolean zzAtBOL = true; /** zzAtEOF == true <=> the scanner is at the EOF */ private boolean zzAtEOF; /* user code: */ int getPos() { return yychar ; } private boolean emptyString; private ExternalSheet externalSheet; private WorkbookMethods nameTable; void setExternalSheet(ExternalSheet es) { externalSheet = es; } void setNameTable(WorkbookMethods nt) { nameTable = nt; } /** * Creates a new scanner * There is also a java.io.InputStream version of this constructor. * * @param in the java.io.Reader to read input from. */ Yylex(java.io.Reader in) { this.zzReader = in; } /** * Creates a new scanner. * There is also java.io.Reader version of this constructor. * * @param in the java.io.Inputstream to read input from. */ Yylex(java.io.InputStream in) { this(new java.io.InputStreamReader(in)); } /** * Unpacks the compressed character translation table. * * @param packed the packed character translation table * @return the unpacked character translation table */ private static char [] zzUnpackCMap(String packed) { char [] map = new char[0x10000]; int i = 0; /* index in packed string */ int j = 0; /* index in unpacked array */ while (i < 100) { int count = packed.charAt(i++); char value = packed.charAt(i++); do map[j++] = value; while (--count > 0); } return map; } /** * Refills the input buffer. * * @return <code>false</code>, iff there was new input. * * @exception java.io.IOException if any I/O-Error occurs */ private boolean zzRefill() throws java.io.IOException { /* first: make room (if you can) */ if (zzStartRead > 0) { System.arraycopy(zzBuffer, zzStartRead, zzBuffer, 0, zzEndRead-zzStartRead); /* translate stored positions */ zzEndRead-= zzStartRead; zzCurrentPos-= zzStartRead; zzMarkedPos-= zzStartRead; zzPushbackPos-= zzStartRead; zzStartRead = 0; } /* is the buffer big enough? */ if (zzCurrentPos >= zzBuffer.length) { /* if not: blow it up */ char newBuffer[] = new char[zzCurrentPos*2]; System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); zzBuffer = newBuffer; } /* finally: fill the buffer with new input */ int numRead = zzReader.read(zzBuffer, zzEndRead, zzBuffer.length-zzEndRead); if (numRead < 0) { return true; } else { zzEndRead+= numRead; return false; } } /** * Closes the input stream. */ public final void yyclose() throws java.io.IOException { zzAtEOF = true; /* indicate end of file */ zzEndRead = zzStartRead; /* invalidate buffer */ if (zzReader != null) zzReader.close(); } /** * Resets the scanner to read from a new input stream. * Does not close the old reader. * * All internal variables are reset, the old input stream * <b>cannot</b> be reused (internal buffer is discarded and lost). * Lexical state is set to <tt>ZZ_INITIAL</tt>. * * @param reader the new input stream */ public final void yyreset(java.io.Reader reader) { zzReader = reader; zzAtBOL = true; zzAtEOF = false; zzEndRead = zzStartRead = 0; zzCurrentPos = zzMarkedPos = zzPushbackPos = 0; yyline = yychar = yycolumn = 0; zzLexicalState = YYINITIAL; } /** * Returns the current lexical state. */ public final int yystate() { return zzLexicalState; } /** * Enters a new lexical state * * @param newState the new lexical state */ public final void yybegin(int newState) { zzLexicalState = newState; } /** * Returns the text matched by the current regular expression. */ public final String yytext() { return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead ); } /** * Returns the character at position <tt>pos</tt> from the * matched text. * * It is equivalent to yytext().charAt(pos), but faster * * @param pos the position of the character to fetch. * A value from 0 to yylength()-1. * * @return the character at position pos */ public final char yycharat(int pos) { return zzBuffer[zzStartRead+pos]; } /** * Returns the length of the matched text region. */ public final int yylength() { return zzMarkedPos-zzStartRead; } /** * Reports an error that occured while scanning. * * In a wellformed scanner (no or only correct usage of * yypushback(int) and a match-all fallback rule) this method * will only be called with things that "Can't Possibly Happen". * If this method is called, something is seriously wrong * (e.g. a JFlex bug producing a faulty scanner etc.). * * Usual syntax/scanner level error handling should be done * in error fallback rules. * * @param errorCode the code of the errormessage to display */ private void zzScanError(int errorCode) { String message; try { message = ZZ_ERROR_MSG[errorCode]; } catch (ArrayIndexOutOfBoundsException e) { message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR]; } throw new Error(message); } /** * Pushes the specified amount of characters back into the input stream. * * They will be read again by then next call of the scanning method * * @param number the number of characters to be read again. * This number must not be greater than yylength()! */ public void yypushback(int number) { if ( number > yylength() ) zzScanError(ZZ_PUSHBACK_2BIG); zzMarkedPos -= number; } /** * Resumes scanning until the next regular expression is matched, * the end of input is encountered or an I/O-Error occurs. * * @return the next token * @exception java.io.IOException if any I/O-Error occurs */ public ParseItem yylex() throws java.io.IOException, jxl.biff.formula.FormulaException { int zzInput; int zzAction; // cached fields: int zzCurrentPosL; int zzMarkedPosL; int zzEndReadL = zzEndRead; char [] zzBufferL = zzBuffer; char [] zzCMapL = ZZ_CMAP; int [] zzTransL = ZZ_TRANS; int [] zzRowMapL = ZZ_ROWMAP; int [] zzAttrL = ZZ_ATTRIBUTE; while (true) { zzMarkedPosL = zzMarkedPos; yychar+= zzMarkedPosL-zzStartRead; boolean zzR = false; for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL; zzCurrentPosL++) { switch (zzBufferL[zzCurrentPosL]) { case '\u000B': case '\u000C': case '\u0085': case '\u2028': case '\u2029': yyline++; zzR = false; break; case '\r': yyline++; zzR = true; break; case '\n': if (zzR) zzR = false; else { yyline++; } break; default: zzR = false; } } if (zzR) { // peek one character ahead if it is \n (if we have counted one line too much) boolean zzPeek; if (zzMarkedPosL < zzEndReadL) zzPeek = zzBufferL[zzMarkedPosL] == '\n'; else if (zzAtEOF) zzPeek = false; else { boolean eof = zzRefill(); zzEndReadL = zzEndRead; zzMarkedPosL = zzMarkedPos; zzBufferL = zzBuffer; if (eof) zzPeek = false; else zzPeek = zzBufferL[zzMarkedPosL] == '\n'; } if (zzPeek) yyline--; } zzAction = -1; zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; zzState = zzLexicalState; zzForAction: { while (true) { if (zzCurrentPosL < zzEndReadL) zzInput = zzBufferL[zzCurrentPosL++]; else if (zzAtEOF) { zzInput = YYEOF; break zzForAction; } else { // store back cached positions zzCurrentPos = zzCurrentPosL; zzMarkedPos = zzMarkedPosL; boolean eof = zzRefill(); // get translated positions and possibly new buffer zzCurrentPosL = zzCurrentPos; zzMarkedPosL = zzMarkedPos; zzBufferL = zzBuffer; zzEndReadL = zzEndRead; if (eof) { zzInput = YYEOF; break zzForAction; } else { zzInput = zzBufferL[zzCurrentPosL++]; } } int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; if (zzNext == -1) break zzForAction; zzState = zzNext; int zzAttributes = zzAttrL[zzState]; if ( (zzAttributes & 1) == 1 ) { zzAction = zzState; zzMarkedPosL = zzCurrentPosL; if ( (zzAttributes & 8) == 8 ) break zzForAction; } } } // store back cached position zzMarkedPos = zzMarkedPosL; switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { case 12: { return new Minus() ; } case 31: break; case 7: { return new CloseParentheses() ; } case 32: break; case 3: { return new IntegerValue(yytext()) ; } case 33: break; case 24: { return new DoubleValue(yytext()) ; } case 34: break; case 29: { return new ColumnRange3d(yytext(),externalSheet) ; } case 35: break; case 4: { return new RangeSeparator(); } case 36: break; case 10: { return new Divide() ; } case 37: break; case 25: { return new CellReference3d(yytext(),externalSheet) ; } case 38: break; case 26: { return new BooleanValue(yytext()); } case 39: break; case 15: { return new Equal() ; } case 40: break; case 17: { yybegin(YYINITIAL); if (emptyString) return new StringValue(""); } case 41: break; case 8: { emptyString = true; yybegin(YYSTRING); } case 42: break; case 21: { return new NotEqual() ; } case 43: break; case 22: { return new LessEqual() ; } case 44: break; case 16: { return new LessThan() ; } case 45: break; case 5: { return new ArgumentSeparator() ; } case 46: break; case 30: { return new Area3d(yytext(),externalSheet) ; } case 47: break; case 14: { return new GreaterThan() ; } case 48: break; case 18: { return new CellReference(yytext()) ; } case 49: break; case 20: { return new GreaterEqual() ; } case 50: break; case 27: { return new Area(yytext()) ; } case 51: break; case 23: { return new ColumnRange(yytext()); } case 52: break; case 1: { emptyString = false; return new StringValue(yytext()) ; } case 53: break; case 2: { return new NameRange(yytext(), nameTable); } case 54: break; case 19: { return new StringFunction(yytext()) ; } case 55: break; case 11: { return new Plus() ; } case 56: break; case 28: { return new ErrorConstant(yytext()); } case 57: break; case 9: { } case 58: break; case 13: { return new Multiply() ; } case 59: break; case 6: { return new OpenParentheses() ; } case 60: break; default: if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { zzAtEOF = true; return null; } else { zzScanError(ZZ_NO_MATCH); } } } } }