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/* The following code was generated by JFlex 1.4.3 on 12/9/11 10:38 AM */
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.json.impl.reader;
/**
* This class is a scanner generated by
* JFlex 1.4.3
* on 12/9/11 10:38 AM from the specification file
* /var/hudson/workspace/Jersey-deploy-STAGING/jersey/jersey-json/src/main/jflex/json.flex
*/
class JsonLexer {
/** 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 STRING = 2;
public static final int YYINITIAL = 0;
/**
* ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
* ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
* at the beginning of a line
* l is of the form l = 2*k, k a non negative integer
*/
private static final int ZZ_LEXSTATE[] = {
0, 0, 1, 1
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\10\0\2\1\1\30\2\0\1\30\22\0\1\1\1\0\1\27\10\0"+
"\1\7\1\10\1\2\1\5\1\32\1\3\11\4\1\11\6\0\4\34"+
"\1\6\1\34\24\0\1\12\1\31\1\13\3\0\1\23\1\33\2\34"+
"\1\21\1\22\5\0\1\24\1\0\1\26\3\0\1\17\1\25\1\16"+
"\1\20\5\0\1\14\1\0\1\15\uff82\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 =
"\2\0\1\1\1\2\1\1\2\3\1\4\1\5\1\6"+
"\1\7\1\10\1\11\3\1\1\12\1\13\1\14\6\0"+
"\1\15\1\16\1\0\1\17\1\20\1\21\1\22\1\23"+
"\1\24\1\3\1\0\1\3\4\0\1\25\1\0\1\26"+
"\1\0\1\27\1\0\1\30";
private static int [] zzUnpackAction() {
int [] result = new int[48];
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\35\0\72\0\72\0\127\0\164\0\221\0\72"+
"\0\72\0\72\0\72\0\72\0\72\0\256\0\313\0\350"+
"\0\72\0\u0105\0\72\0\u0122\0\u013f\0\u015c\0\u0179\0\u0196"+
"\0\u01b3\0\72\0\72\0\u01d0\0\72\0\72\0\72\0\72"+
"\0\72\0\72\0\u01ed\0\u020a\0\u020a\0\u0227\0\u0244\0\u0261"+
"\0\u027e\0\72\0\u029b\0\72\0\u02b8\0\72\0\u02d5\0\72";
private static int [] zzUnpackRowMap() {
int [] result = new int[48];
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\3\1\4\1\5\1\6\1\7\3\3\1\10\1\11"+
"\1\12\1\13\1\14\1\15\1\16\3\3\1\17\3\3"+
"\1\20\1\21\1\4\4\3\27\22\1\23\1\0\1\24"+
"\3\22\40\0\1\6\1\7\35\0\1\25\1\26\12\0"+
"\1\26\16\0\2\7\1\25\1\26\12\0\1\26\32\0"+
"\1\27\40\0\1\30\31\0\1\31\14\0\27\22\3\0"+
"\3\22\16\0\1\32\1\33\1\34\1\0\1\35\3\0"+
"\1\36\1\37\1\0\1\40\1\41\1\42\4\0\2\43"+
"\32\0\1\44\2\45\2\0\1\44\45\0\1\46\40\0"+
"\1\47\34\0\1\50\13\0\2\51\1\0\1\51\12\0"+
"\3\51\7\0\2\51\3\0\2\43\1\0\1\26\12\0"+
"\1\26\16\0\2\45\51\0\1\52\40\0\1\53\33\0"+
"\1\54\13\0\2\55\1\0\1\55\12\0\3\55\7\0"+
"\2\55\21\0\1\56\16\0\2\57\1\0\1\57\12\0"+
"\3\57\7\0\2\57\3\0\2\60\1\0\1\60\12\0"+
"\3\60\7\0\2\60";
private static int [] zzUnpackTrans() {
int [] result = new int[754];
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 aState
*/
private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();
private static final String ZZ_ATTRIBUTE_PACKED_0 =
"\2\0\2\11\3\1\6\11\3\1\1\11\1\1\1\11"+
"\6\0\2\11\1\0\6\11\1\1\1\0\1\1\4\0"+
"\1\11\1\0\1\11\1\0\1\11\1\0\1\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[48];
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 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;
/** denotes if the user-EOF-code has already been executed */
private boolean zzEOFDone;
/* user code: */
StringBuffer string = new StringBuffer();
public int getCharOffset() { return yychar; }
public int getLineNumber() { return yyline; }
public int getColumn() { return yycolumn; }
/**
* 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.
*/
JsonLexer(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.
*/
JsonLexer(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 < 92) {
int count = packed.charAt(i++);
char value = packed.charAt(i++);
do map[j++] = value; while (--count > 0);
}
return map;
}
/**
* Refills the input buffer.
*
* @return false, 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;
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) {
zzEndRead+= numRead;
return false;
}
// unlikely but not impossible: read 0 characters, but not at end of stream
if (numRead == 0) {
int c = zzReader.read();
if (c == -1) {
return true;
} else {
zzBuffer[zzEndRead++] = (char) c;
return false;
}
}
// numRead < 0
return true;
}
/**
* 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
* cannot be reused (internal buffer is discarded and lost).
* Lexical state is set to ZZ_INITIAL.
*
* @param reader the new input stream
*/
public final void yyreset(java.io.Reader reader) {
zzReader = reader;
zzAtBOL = true;
zzAtEOF = false;
zzEOFDone = false;
zzEndRead = zzStartRead = 0;
zzCurrentPos = zzMarkedPos = 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 pos 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 JsonToken yylex() throws java.io.IOException {
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++;
yycolumn = 0;
zzR = false;
break;
case '\r':
yyline++;
yycolumn = 0;
zzR = true;
break;
case '\n':
if (zzR)
zzR = false;
else {
yyline++;
yycolumn = 0;
}
break;
default:
zzR = false;
yycolumn++;
}
}
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 = ZZ_LEXSTATE[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 6:
{ return (new JsonToken(JsonToken.START_ARRAY, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 25: break;
case 24:
{ string.append(Character.toChars(Integer.parseInt(yytext().substring(2),16)));
}
case 26: break;
case 23:
{ return (new JsonToken(JsonToken.FALSE, yytext(), yyline, yychar, yychar+yylength(), yycolumn));
}
case 27: break;
case 4:
{ return (new JsonToken(JsonToken.COMMA, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 28: break;
case 16:
{ string.append('\n');
}
case 29: break;
case 1:
{ throw new JsonFormatException(yytext(), yyline, yycolumn, "Unexpected character: " + yytext() + " (line: " + (yyline + 1) + ", column: " + (yycolumn + 1) + ")");
}
case 30: break;
case 20:
{ string.append('\b');
}
case 31: break;
case 3:
{ return (new JsonToken(JsonToken.NUMBER, yytext(), yyline, yychar, yychar+yylength(), yycolumn));
}
case 32: break;
case 12:
{ yybegin(YYINITIAL);
return (new JsonToken(JsonToken.STRING, string.toString(), yyline, yychar, yychar+string.length(), yycolumn));
}
case 33: break;
case 19:
{ string.append('/');
}
case 34: break;
case 18:
{ string.append('\\');
}
case 35: break;
case 7:
{ return (new JsonToken(JsonToken.END_ARRAY, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 36: break;
case 8:
{ return (new JsonToken(JsonToken.START_OBJECT, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 37: break;
case 22:
{ return (new JsonToken(JsonToken.NULL, yytext(), yyline, yychar, yychar+yylength(), yycolumn));
}
case 38: break;
case 10:
{ string.setLength(0); yybegin(STRING);
}
case 39: break;
case 14:
{ string.append('\r');
}
case 40: break;
case 11:
{ string.append(yytext());
}
case 41: break;
case 21:
{ return (new JsonToken(JsonToken.TRUE, yytext(), yyline, yychar, yychar+yylength(), yycolumn));
}
case 42: break;
case 17:
{ string.append('\"');
}
case 43: break;
case 9:
{ return (new JsonToken(JsonToken.END_OBJECT, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 44: break;
case 5:
{ return (new JsonToken(JsonToken.COLON, yytext(), yyline, yychar, yychar+1, yycolumn));
}
case 45: break;
case 15:
{ string.append('\f');
}
case 46: break;
case 13:
{ string.append('\t');
}
case 47: break;
case 2:
{
}
case 48: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
switch (zzLexicalState) {
case STRING: {
throw new JsonFormatException(null, yyline, yycolumn, "Unexpected end of file.");
}
case 49: break;
default:
return null;
}
}
else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}
