yylex.java
来自「jexcelapi_2_4, JXL的API, JXL是JAVA读取EXCEL的」· Java 代码 · 共 535 行
JAVA
535 行
/*********************************************************************** 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;
class Yylex {
private final int YY_BUFFER_SIZE = 512;
private final int YY_F = -1;
private final int YY_NO_STATE = -1;
private final int YY_NOT_ACCEPT = 0;
private final int YY_START = 1;
private final int YY_END = 2;
private final int YY_NO_ANCHOR = 4;
private final int YY_BOL = 128;
private final int YY_EOF = 129;
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; } private java.io.BufferedReader yy_reader;
private int yy_buffer_index;
private int yy_buffer_read;
private int yy_buffer_start;
private int yy_buffer_end;
private char yy_buffer[];
private int yychar;
private int yyline;
private boolean yy_at_bol;
private int yy_lexical_state;
Yylex (java.io.Reader reader) {
this ();
if (null == reader) {
throw (new Error("Error: Bad input stream initializer."));
}
yy_reader = new java.io.BufferedReader(reader);
}
Yylex (java.io.InputStream instream) {
this ();
if (null == instream) {
throw (new Error("Error: Bad input stream initializer."));
}
yy_reader = new java.io.BufferedReader(new java.io.InputStreamReader(instream));
}
private Yylex () {
yy_buffer = new char[YY_BUFFER_SIZE];
yy_buffer_read = 0;
yy_buffer_index = 0;
yy_buffer_start = 0;
yy_buffer_end = 0;
yychar = 0;
yyline = 0;
yy_at_bol = true;
yy_lexical_state = YYINITIAL;
}
private boolean yy_eof_done = false;
private final int YYSTRING = 1;
private final int YYINITIAL = 0;
private final int yy_state_dtrans[] = {
0,
24
};
private void yybegin (int state) {
yy_lexical_state = state;
}
private int yy_advance ()
throws java.io.IOException {
int next_read;
int i;
int j;
if (yy_buffer_index < yy_buffer_read) {
return yy_buffer[yy_buffer_index++];
}
if (0 != yy_buffer_start) {
i = yy_buffer_start;
j = 0;
while (i < yy_buffer_read) {
yy_buffer[j] = yy_buffer[i];
++i;
++j;
}
yy_buffer_end = yy_buffer_end - yy_buffer_start;
yy_buffer_start = 0;
yy_buffer_read = j;
yy_buffer_index = j;
next_read = yy_reader.read(yy_buffer,
yy_buffer_read,
yy_buffer.length - yy_buffer_read);
if (-1 == next_read) {
return YY_EOF;
}
yy_buffer_read = yy_buffer_read + next_read;
}
while (yy_buffer_index >= yy_buffer_read) {
if (yy_buffer_index >= yy_buffer.length) {
yy_buffer = yy_double(yy_buffer);
}
next_read = yy_reader.read(yy_buffer,
yy_buffer_read,
yy_buffer.length - yy_buffer_read);
if (-1 == next_read) {
return YY_EOF;
}
yy_buffer_read = yy_buffer_read + next_read;
}
return yy_buffer[yy_buffer_index++];
}
private void yy_move_end () {
if (yy_buffer_end > yy_buffer_start &&
'\n' == yy_buffer[yy_buffer_end-1])
yy_buffer_end--;
if (yy_buffer_end > yy_buffer_start &&
'\r' == yy_buffer[yy_buffer_end-1])
yy_buffer_end--;
}
private boolean yy_last_was_cr=false;
private void yy_mark_start () {
int i;
for (i = yy_buffer_start; i < yy_buffer_index; ++i) {
if ('\n' == yy_buffer[i] && !yy_last_was_cr) {
++yyline;
}
if ('\r' == yy_buffer[i]) {
++yyline;
yy_last_was_cr=true;
} else yy_last_was_cr=false;
}
yychar = yychar
+ yy_buffer_index - yy_buffer_start;
yy_buffer_start = yy_buffer_index;
}
private void yy_mark_end () {
yy_buffer_end = yy_buffer_index;
}
private void yy_to_mark () {
yy_buffer_index = yy_buffer_end;
yy_at_bol = (yy_buffer_end > yy_buffer_start) &&
('\r' == yy_buffer[yy_buffer_end-1] ||
'\n' == yy_buffer[yy_buffer_end-1] ||
2028/*LS*/ == yy_buffer[yy_buffer_end-1] ||
2029/*PS*/ == yy_buffer[yy_buffer_end-1]);
}
private java.lang.String yytext () {
return (new java.lang.String(yy_buffer,
yy_buffer_start,
yy_buffer_end - yy_buffer_start));
}
private int yylength () {
return yy_buffer_end - yy_buffer_start;
}
private char[] yy_double (char buf[]) {
int i;
char newbuf[];
newbuf = new char[2*buf.length];
for (i = 0; i < buf.length; ++i) {
newbuf[i] = buf[i];
}
return newbuf;
}
private final int YY_E_INTERNAL = 0;
private final int YY_E_MATCH = 1;
private java.lang.String yy_error_string[] = {
"Error: Internal error.\n",
"Error: Unmatched input.\n"
};
private void yy_error (int code,boolean fatal) {
java.lang.System.out.print(yy_error_string[code]);
java.lang.System.out.flush();
if (fatal) {
throw new Error("Fatal Error.\n");
}
}
private int[][] unpackFromString(int size1, int size2, String st) {
int colonIndex = -1;
String lengthString;
int sequenceLength = 0;
int sequenceInteger = 0;
int commaIndex;
String workString;
int res[][] = new int[size1][size2];
for (int i= 0; i < size1; i++) {
for (int j= 0; j < size2; j++) {
if (sequenceLength != 0) {
res[i][j] = sequenceInteger;
sequenceLength--;
continue;
}
commaIndex = st.indexOf(',');
workString = (commaIndex==-1) ? st :
st.substring(0, commaIndex);
st = st.substring(commaIndex+1);
colonIndex = workString.indexOf(':');
if (colonIndex == -1) {
res[i][j]=Integer.parseInt(workString);
continue;
}
lengthString =
workString.substring(colonIndex+1);
sequenceLength=Integer.parseInt(lengthString);
workString=workString.substring(0,colonIndex);
sequenceInteger=Integer.parseInt(workString);
res[i][j] = sequenceInteger;
sequenceLength--;
}
}
return res;
}
private int yy_acpt[] = {
/* 0 */ YY_NOT_ACCEPT,
/* 1 */ YY_NO_ANCHOR,
/* 2 */ YY_NO_ANCHOR,
/* 3 */ YY_NO_ANCHOR,
/* 4 */ YY_NO_ANCHOR,
/* 5 */ YY_NO_ANCHOR,
/* 6 */ YY_NO_ANCHOR,
/* 7 */ YY_NO_ANCHOR,
/* 8 */ YY_NO_ANCHOR,
/* 9 */ YY_NO_ANCHOR,
/* 10 */ YY_NO_ANCHOR,
/* 11 */ YY_NO_ANCHOR,
/* 12 */ YY_NO_ANCHOR,
/* 13 */ YY_NO_ANCHOR,
/* 14 */ YY_NO_ANCHOR,
/* 15 */ YY_NO_ANCHOR,
/* 16 */ YY_NO_ANCHOR,
/* 17 */ YY_NO_ANCHOR,
/* 18 */ YY_NO_ANCHOR,
/* 19 */ YY_NO_ANCHOR,
/* 20 */ YY_NO_ANCHOR,
/* 21 */ YY_NO_ANCHOR,
/* 22 */ YY_NO_ANCHOR,
/* 23 */ YY_NO_ANCHOR,
/* 24 */ YY_NO_ANCHOR,
/* 25 */ YY_NO_ANCHOR,
/* 26 */ YY_NOT_ACCEPT,
/* 27 */ YY_NO_ANCHOR,
/* 28 */ YY_NO_ANCHOR,
/* 29 */ YY_NO_ANCHOR,
/* 30 */ YY_NO_ANCHOR,
/* 31 */ YY_NO_ANCHOR,
/* 32 */ YY_NOT_ACCEPT,
/* 33 */ YY_NO_ANCHOR,
/* 34 */ YY_NOT_ACCEPT,
/* 35 */ YY_NOT_ACCEPT,
/* 36 */ YY_NOT_ACCEPT,
/* 37 */ YY_NOT_ACCEPT,
/* 38 */ YY_NOT_ACCEPT,
/* 39 */ YY_NOT_ACCEPT,
/* 40 */ YY_NOT_ACCEPT,
/* 41 */ YY_NOT_ACCEPT,
/* 42 */ YY_NOT_ACCEPT,
/* 43 */ YY_NOT_ACCEPT,
/* 44 */ YY_NOT_ACCEPT,
/* 45 */ YY_NOT_ACCEPT,
/* 46 */ YY_NOT_ACCEPT,
/* 47 */ YY_NOT_ACCEPT,
/* 48 */ YY_NOT_ACCEPT,
/* 49 */ YY_NOT_ACCEPT,
/* 50 */ YY_NOT_ACCEPT,
/* 51 */ YY_NOT_ACCEPT,
/* 52 */ YY_NOT_ACCEPT,
/* 53 */ YY_NOT_ACCEPT,
/* 54 */ YY_NOT_ACCEPT,
/* 55 */ YY_NOT_ACCEPT,
/* 56 */ YY_NOT_ACCEPT,
/* 57 */ YY_NOT_ACCEPT,
/* 58 */ YY_NOT_ACCEPT,
/* 59 */ YY_NOT_ACCEPT,
/* 60 */ YY_NOT_ACCEPT,
/* 61 */ YY_NOT_ACCEPT,
/* 62 */ YY_NOT_ACCEPT,
/* 63 */ YY_NOT_ACCEPT,
/* 64 */ YY_NOT_ACCEPT,
/* 65 */ YY_NOT_ACCEPT
};
private int yy_cmap[] = unpackFromString(1,130,
"21:8,14:3,21:21,14,16,20,15,11,15:2,13,18,19,3,1,8,2,10,4,9:10,17,15,7,6,5," +
"15:2,12:26,21:3,15:2,21,12:26,21,15,21,15,21,0:2")[0];
private int yy_rmap[] = unpackFromString(1,66,
"0,1,2:4,3,2,4,2,5,2,1:3,2:2,6,7,1,8,9,10,11,12,1,2,13,14,15,16,17,18,19,20," +
"21,8,22,23,24,25,26,27,28,29,30,31,32,33,10,34,35,36,37,38,11,39,16,40,41,4" +
"2,43,44,45,46,47")[0];
private int yy_nxt[][] = unpackFromString(48,22,
"1,2,3,4,5,6,7,8,9,10,26,59,32,34,11,26:3,12,13,14,-1:24,26:12,35,26:2,60,26" +
",-1:5,26:5,15,26:6,35,26:2,60,26,-1:5,26:5,16,26:6,35,26:2,60,26,-1:5,26:8," +
"10,36,26:2,35,26:2,60,26,-1:5,26:8,17,26:3,35,26:2,60,62,-1:5,26:8,27,26,38" +
",28,35,26:2,60,26,19,-1:4,26:8,20,26:3,35,26:2,60,26,-1:5,26:8,21,26:3,35,2" +
"6:2,60,64,-1:5,26:8,22,26:3,35,26:2,60,26,-1:5,26:8,23,26:3,35,26:2,60,26,-" +
"1:4,1,31:19,25,31,-1,26:8,27,26:2,33,35,26:2,60,62,-1:5,26:8,33,26:2,28,35," +
"26:2,60,26,19,-1:12,29,-1:7,51,-1:13,30,-1:13,31:19,-1,31,-1,26:8,17,26,38," +
"18,35,26:2,60,26,19,-1:4,26:8,33,26:2,33,35,26:2,60,26,-1:5,26:12,-1,26:4,-" +
"1:20,39,-1:6,26:8,17,26,38,41,35,26:2,60,26,-1:5,26:8,17,26:3,35,26:2,60,26" +
",-1:15,42,43,-1:10,26:8,21,26,44,45,35,26:2,60,26,-1:5,26:8,17,26,38,26,35," +
"26:2,60,26,-1:16,43,-1:18,29,-1,47,48,-1:10,26:8,21,26:3,35,26:2,60,26,-1:5" +
",26:8,21,26,44,26,35,26:2,60,26,-1:5,26:8,22,26,49,50,35,26:2,60,26,-1:13,2" +
"9,-1:21,29,-1,47,-1:11,26:8,22,26,49,26,35,26:2,60,26,-1:15,53,54,-1:10,26:" +
"8,23,26,55,56,35,26:2,60,26,-1:16,54,-1:18,30,-1,57,58,-1:10,26:8,23,26,55," +
"26,35,26:2,60,26,-1:13,30,-1,57,-1:11,26:11,37,35,26:2,60,26,-1:5,26:10,61," +
"40,35,26:2,60,26,-1:5,26:11,40,35,26:2,60,26,-1:5,26:10,63,46,35,26:2,60,26" +
",-1:5,26:11,46,35,26:2,60,26,-1:5,26:10,65,52,35,26:2,60,26,-1:5,26:11,52,3" +
"5,26:2,60,26,-1:4");
public ParseItem yylex ()
throws java.io.IOException, jxl.biff.formula.FormulaException
{
int yy_lookahead;
int yy_anchor = YY_NO_ANCHOR;
int yy_state = yy_state_dtrans[yy_lexical_state];
int yy_next_state = YY_NO_STATE;
int yy_last_accept_state = YY_NO_STATE;
boolean yy_initial = true;
int yy_this_accept;
yy_mark_start();
yy_this_accept = yy_acpt[yy_state];
if (YY_NOT_ACCEPT != yy_this_accept) {
yy_last_accept_state = yy_state;
yy_mark_end();
}
while (true) {
if (yy_initial && yy_at_bol) yy_lookahead = YY_BOL;
else yy_lookahead = yy_advance();
yy_next_state = YY_F;
yy_next_state = yy_nxt[yy_rmap[yy_state]][yy_cmap[yy_lookahead]];
if (YY_EOF == yy_lookahead && true == yy_initial) {
return null;
}
if (YY_F != yy_next_state) {
yy_state = yy_next_state;
yy_initial = false;
yy_this_accept = yy_acpt[yy_state];
if (YY_NOT_ACCEPT != yy_this_accept) {
yy_last_accept_state = yy_state;
yy_mark_end();
}
}
else {
if (YY_NO_STATE == yy_last_accept_state) {
throw (new Error("Lexical Error: Unmatched Input."));
}
else {
yy_anchor = yy_acpt[yy_last_accept_state];
if (0 != (YY_END & yy_anchor)) {
yy_move_end();
}
yy_to_mark();
switch (yy_last_accept_state) {
case 1:
case -2:
break;
case 2:
{ return new Plus() ;}
case -3:
break;
case 3:
{ return new Minus() ; }
case -4:
break;
case 4:
{ return new Multiply() ; }
case -5:
break;
case 5:
{ return new Divide() ; }
case -6:
break;
case 6:
{ return new GreaterThan() ; }
case -7:
break;
case 7:
{ return new Equal() ; }
case -8:
break;
case 8:
{ return new LessThan() ; }
case -9:
break;
case 9:
{ return new ArgumentSeparator() ; }
case -10:
break;
case 10:
{ return new IntegerValue(yytext()) ; }
case -11:
break;
case 11:
{}
case -12:
break;
case 12:
{ return new OpenParentheses() ;}
case -13:
break;
case 13:
{ return new CloseParentheses() ;}
case -14:
break;
case 14:
{emptyString = true; yybegin(YYSTRING);}
case -15:
break;
case 15:
{ return new GreaterEqual() ; }
case -16:
break;
case 16:
{ return new LessEqual() ; }
case -17:
break;
case 17:
{ return new CellReference(yytext()) ; }
case -18:
break;
case 18:
{return new NameRange(yytext(), nameTable); }
case -19:
break;
case 19:
{ return new StringFunction(yytext()) ; }
case -20:
break;
case 20:
{ return new DoubleValue(yytext()) ; }
case -21:
break;
case 21:
{ return new CellReference3d(yytext(),externalSheet) ; }
case -22:
break;
case 22:
{ return new Area(yytext()) ; }
case -23:
break;
case 23:
{ return new Area3d(yytext(),externalSheet) ; }
case -24:
break;
case 24:
{emptyString = false; return new StringValue(yytext()) ; }
case -25:
break;
case 25:
{yybegin(YYINITIAL); if (emptyString) return new StringValue("");}
case -26:
break;
case 27:
{ return new CellReference(yytext()) ; }
case -27:
break;
case 28:
{return new NameRange(yytext(), nameTable); }
case -28:
break;
case 29:
{ return new CellReference3d(yytext(),externalSheet) ; }
case -29:
break;
case 30:
{ return new Area3d(yytext(),externalSheet) ; }
case -30:
break;
case 31:
{emptyString = false; return new StringValue(yytext()) ; }
case -31:
break;
case 33:
{return new NameRange(yytext(), nameTable); }
case -32:
break;
default:
yy_error(YY_E_INTERNAL,false);
case -1:
}
yy_initial = true;
yy_state = yy_state_dtrans[yy_lexical_state];
yy_next_state = YY_NO_STATE;
yy_last_accept_state = YY_NO_STATE;
yy_mark_start();
yy_this_accept = yy_acpt[yy_state];
if (YY_NOT_ACCEPT != yy_this_accept) {
yy_last_accept_state = yy_state;
yy_mark_end();
}
}
}
}
}
}
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