/**
* Copyright (c) 2013-2014 Angelo ZERR.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
*/
/* The following code was generated by JFlex 1.4.2 on 18/03/15 22:51 */
/*nlsXXX*/
package org.eclipse.wst.json.core.internal.parser;
import java.io.CharArrayReader;
import java.io.IOException;
import java.util.Stack;
import org.eclipse.wst.json.core.internal.parser.regions.JSONTextRegionFactory;
import org.eclipse.wst.json.core.regions.JSONRegionContexts;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
/**
* This class is a scanner generated by
* <a href="http://www.jflex.de/">JFlex</a> 1.4.2
* on 18/03/15 22:51 from the specification file
* <tt>JSONLineTokenizer.jflex</tt>
*/
public class JSONLineTokenizer extends AbstractJSONTokenizer {
/** 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 ST_JSON_OBJECT_COLON = 6;
public static final int ST_JSON_ARRAY = 4;
public static final int YYINITIAL = 0;
public static final int ST_JSON_COMMENT = 10;
public static final int ST_JSON_VALUE = 8;
public static final int ST_JSON_OBJECT = 2;
/**
* 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, 2, 2, 3, 3, 4, 4, 5, 5
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\10\0\1\0\1\16\1\20\1\0\1\14\1\7\22\0\1\16\1\12"+
"\1\17\4\12\1\15\2\12\1\27\1\6\1\25\1\1\1\4\1\26"+
"\1\2\11\3\1\30\6\12\1\37\3\12\1\5\1\35\5\12\1\40"+
"\1\12\1\42\3\12\1\32\1\41\1\31\1\33\5\12\1\23\1\13"+
"\1\24\1\12\1\12\1\12\1\36\3\10\1\11\1\34\5\12\1\40"+
"\1\12\1\42\3\12\1\32\1\41\1\31\1\33\5\12\1\21\1\12"+
"\1\22\1\12\1\0\uff80\12";
/**
* 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\4\1\1\0\1\2\1\1\1\3\1\4\1\5"+
"\1\2\1\1\2\2\2\6\2\2\1\7\3\2\1\10"+
"\1\11\1\12\3\0\1\13\4\0\1\14\10\0\1\13"+
"\1\6\1\0\1\6\2\0\1\14\2\0\1\14\3\0"+
"\1\12\3\0\1\15\1\16\14\0";
private static int [] zzUnpackAction() {
int [] result = new int[74];
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\43\0\106\0\151\0\214\0\257\0\322\0\322"+
"\0\322\0\322\0\322\0\365\0\u0118\0\u013b\0\u015e\0\u0181"+
"\0\u01a4\0\u01c7\0\u01ea\0\322\0\u020d\0\u0230\0\u0253\0\322"+
"\0\322\0\u0276\0\u0299\0\u013b\0\u02bc\0\322\0\u02df\0\u0302"+
"\0\u01c7\0\u0325\0\322\0\u01ea\0\u0348\0\u036b\0\u038e\0\u03b1"+
"\0\u03d4\0\u03f7\0\u041a\0\u013b\0\u043d\0\u0460\0\u0460\0\u0483"+
"\0\u04a6\0\u01c7\0\u04c9\0\u04ec\0\u01ea\0\u050f\0\u0532\0\u0555"+
"\0\322\0\u0578\0\u059b\0\u05be\0\322\0\322\0\u05e1\0\u0604"+
"\0\u0627\0\u064a\0\u066d\0\u0690\0\u06b3\0\u06d6\0\u06f9\0\u071c"+
"\0\u073f\0\u0762";
private static int [] zzUnpackRowMap() {
int [] result = new int[74];
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 =
"\20\7\1\10\1\11\1\12\1\13\2\7\1\14\23\7"+
"\1\15\6\7\1\15\1\16\1\15\1\7\1\12\3\7"+
"\1\14\15\7\1\17\1\20\1\21\3\7\1\15\5\7"+
"\1\22\1\15\1\23\1\15\1\11\1\12\1\13\1\24"+
"\1\7\1\14\2\7\1\25\2\7\2\26\4\7\1\27"+
"\7\7\1\15\6\7\1\15\1\7\1\15\1\7\1\12"+
"\3\7\1\14\1\7\1\30\13\7\1\17\1\20\1\21"+
"\3\7\1\15\5\7\1\22\1\15\1\23\1\15\1\11"+
"\1\12\1\13\1\24\1\31\1\14\2\7\1\25\2\7"+
"\2\26\4\7\1\27\20\7\1\10\1\7\1\12\3\7"+
"\1\14\14\7\71\0\1\32\1\33\22\0\1\15\6\0"+
"\1\15\1\0\1\15\23\0\6\34\1\0\3\34\1\35"+
"\1\0\2\34\1\36\1\0\22\34\2\0\1\20\1\21"+
"\43\0\1\37\1\40\3\0\1\40\33\0\2\21\1\37"+
"\1\40\3\0\1\40\32\0\6\41\1\0\3\41\1\42"+
"\1\0\1\43\2\41\1\0\22\41\1\0\6\44\1\0"+
"\3\44\1\45\1\0\2\44\1\43\1\0\22\44\32\0"+
"\1\46\46\0\2\47\36\0\1\50\7\0\20\32\1\0"+
"\22\32\27\33\1\51\13\33\1\0\1\34\2\52\3\34"+
"\1\53\2\52\1\34\1\35\3\34\1\54\14\34\1\52"+
"\1\34\1\52\4\34\2\0\2\55\40\0\1\56\2\57"+
"\2\0\1\56\35\0\1\41\2\60\3\41\1\61\2\60"+
"\1\41\1\42\1\41\1\62\16\41\1\60\1\41\1\60"+
"\4\41\1\0\1\44\2\63\3\44\1\64\2\63\1\44"+
"\1\45\3\44\1\65\14\44\1\63\1\44\1\63\4\44"+
"\33\0\1\66\47\0\1\67\42\0\1\70\2\0\26\33"+
"\1\71\1\51\13\33\1\0\1\34\2\72\4\34\2\72"+
"\1\34\1\35\3\34\1\36\14\34\1\72\1\34\1\72"+
"\4\34\1\0\6\34\1\0\3\34\1\35\1\0\2\34"+
"\1\36\23\34\2\0\2\55\1\0\1\40\3\0\1\40"+
"\33\0\2\57\40\0\1\41\2\73\4\41\2\73\1\41"+
"\1\42\1\41\1\43\16\41\1\73\1\41\1\73\4\41"+
"\1\0\6\41\1\0\3\41\1\42\1\0\1\43\25\41"+
"\1\0\1\44\2\74\4\44\2\74\1\44\1\45\3\44"+
"\1\43\14\44\1\74\1\44\1\74\4\44\1\0\6\44"+
"\1\0\3\44\1\45\1\0\2\44\1\43\23\44\5\0"+
"\1\75\3\0\1\75\72\0\1\66\41\0\1\76\3\0"+
"\1\34\2\77\4\34\2\77\1\34\1\35\3\34\1\36"+
"\14\34\1\77\1\34\1\77\4\34\1\0\1\41\2\100"+
"\4\41\2\100\1\41\1\42\1\41\1\43\16\41\1\100"+
"\1\41\1\100\4\41\1\0\1\44\2\101\4\44\2\101"+
"\1\44\1\45\3\44\1\43\14\44\1\101\1\44\1\101"+
"\4\44\1\0\1\34\2\102\4\34\2\102\1\34\1\35"+
"\3\34\1\36\14\34\1\102\1\34\1\102\4\34\1\0"+
"\1\41\2\103\4\41\2\103\1\41\1\42\1\41\1\43"+
"\16\41\1\103\1\41\1\103\4\41\1\0\1\44\2\104"+
"\4\44\2\104\1\44\1\45\3\44\1\43\14\44\1\104"+
"\1\44\1\104\4\44\1\0\1\34\2\105\4\34\2\105"+
"\1\34\1\35\3\34\1\36\14\34\1\105\1\34\1\105"+
"\4\34\1\0\1\41\2\106\4\41\2\106\1\41\1\42"+
"\1\41\1\43\16\41\1\106\1\41\1\106\4\41\1\0"+
"\1\44\2\107\4\44\2\107\1\44\1\45\3\44\1\43"+
"\14\44\1\107\1\44\1\107\4\44\1\0\1\34\2\110"+
"\4\34\2\110\1\34\1\35\3\34\1\36\14\34\1\110"+
"\1\34\1\110\4\34\1\0\1\41\2\111\4\41\2\111"+
"\1\41\1\42\1\41\1\43\16\41\1\111\1\41\1\111"+
"\4\41\1\0\1\44\2\112\4\44\2\112\1\44\1\45"+
"\3\44\1\43\14\44\1\112\1\44\1\112\4\44\1\0"+
"\12\34\1\35\3\34\1\36\23\34\1\0\12\41\1\42"+
"\1\41\1\43\25\41\1\0\12\44\1\45\3\44\1\43"+
"\23\44";
private static int [] zzUnpackTrans() {
int [] result = new int[1925];
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\4\1\1\0\5\11\10\1\1\11\3\1\2\11"+
"\1\1\3\0\1\11\4\0\1\11\10\0\2\1\1\0"+
"\1\1\2\0\1\1\2\0\1\1\3\0\1\11\3\0"+
"\2\11\14\0";
private static int [] zzUnpackAttribute() {
int [] result = new int[74];
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;
/* user code: */
private final static String UNDEFINED = "undefined";
private String fBufferedContext = null;
private int fBufferedStart;
// private int fBufferedTextLength;
private int fBufferedLength;
// private StringBuilder fBufferedText = null;
private JSONTextRegionFactory fRegionFactory = JSONTextRegionFactory.getInstance();
private int fInitialState = YYINITIAL;
public final static int BUFFER_SIZE_NORMAL = 16384;
public final static int BUFFER_SIZE_SMALL = 256;
private int fInitialBufferSize = BUFFER_SIZE_NORMAL;
public void setInitialState(int state) {
fInitialState = state;
}
public void setInitialBufferSize(int size) {
fInitialBufferSize = size;
}
@Override
protected void setJSONArrayState() {
yybegin(ST_JSON_ARRAY);
}
@Override
protected void setJSONObjectState() {
yybegin(ST_JSON_OBJECT);
}
@Override
protected void setJSONValueState() {
yybegin(ST_JSON_VALUE);
}
/* user method */
public final ITextRegion getNextToken() throws IOException {
String context;
String nextTokenType;
boolean spaceFollows;
// StringBuilder text;
int start;
int textLength;
int length;
if (fBufferedContext != null) {
context = fBufferedContext;
// text = fBufferedText;
start = fBufferedStart;
textLength = length = fBufferedLength;
fBufferedContext = null;
} else {
context = primGetNextToken();
// text = new StringBuilder(yytext());
start = yychar;
textLength = length = yylength();
}
if (context != null) {
if (context == UNDEFINED) {
// undef -> concatenate undef's
nextTokenType = primGetNextToken();
while (nextTokenType == UNDEFINED) {
// text.append(yytext());
textLength += yylength();
length = textLength;
nextTokenType = primGetNextToken();
}
fBufferedContext = nextTokenType;
// fBufferedText = new StringBuilder(yytext());
fBufferedStart = yychar;
fBufferedLength = yylength();
} else {
nextTokenType = null;
spaceFollows = false;
/*if (JSONRegionUtil.isDeclarationValueType(context)) { // declaration value can contain VALUE_S
nextTokenType = primGetNextToken();
spaceFollows = (nextTokenType == JSON_DECLARATION_VALUE_S);
} else
*/
//if (canContainSpace(context)) {
nextTokenType = primGetNextToken();
//spaceFollows = (nextTokenType == JSON_S);
//}
if (nextTokenType != null) { // nextToken is retrieved
if (spaceFollows && (context != JSON_COMMENT)) {
// next is space -> append
// text.append(yytext());
length += yylength();
} else {
// next is NOT space -> push this for next time, return itself
fBufferedContext = nextTokenType;
// fBufferedText = new StringBuilder(yytext());
fBufferedStart = yychar;
fBufferedLength = yylength();
}
}
}
}
if (context != null) {
if (context == UNDEFINED) {
context = JSON_UNKNOWN;
}
return fRegionFactory.createRegion(context, start, textLength, length);
} else {
return null;
}
}
/* user method */
/* for standalone use */
/*public final List parseText() throws IOException {
List tokens = new ArrayList();
JSONTextToken token;
for (String kind = primGetNextToken(); kind != null; kind = primGetNextToken()) {
token = new JSONTextToken();
token.kind = kind;
token.start = yychar;
token.length = yylength();
token.image = yytext();
tokens.add(token);
}
return tokens;
}*/
/* user method */
/*private boolean canContainSpace(String type) {
if (type == JSON_DELIMITER || type == JSON_RBRACE || type == JSON_DECLARATION_DELIMITER) {
return false;
} else {
return true;
}
}*/
/* user method */
public final int getOffset() {
return yychar;
}
/* user method */
public final int getLine() {
return yyline;
}
/* user method */
public final boolean isEOF() {
return zzAtEOF;
}
/* user method */
public void reset(char[] charArray) {
reset(new CharArrayReader(charArray), 0);
}
/* user method */
public final void reset(java.io.Reader in, int newOffset) {
/** the input device */
zzReader = in;
/** the current state of the DFA */
zzState = 0;
/** the current lexical state */
zzLexicalState = fInitialState; //YYINITIAL;
/** this buffer contains the current text to be matched and is
the source of the yytext() string */
if (zzBuffer.length != fInitialBufferSize) {
zzBuffer = new char[fInitialBufferSize];
}
java.util.Arrays.fill(zzBuffer, (char)0);
/** the textposition at the last accepting state */
zzMarkedPos = 0;
/** the textposition at the last state to be included in yytext */
// yy_pushbackPos = 0;
/** the current text position in the buffer */
zzCurrentPos = 0;
/** startRead marks the beginning of the yytext() string in the buffer */
zzStartRead = 0;
/** endRead marks the last character in the buffer, that has been read
from input */
zzEndRead = 0;
/** number of newlines encountered up to the start of the matched text */
yyline = 0;
/** the number of characters up to the start of the matched text */
yychar = 0;
/**
* the number of characters from the last newline up to the start of the
* matched text
*/
// yycolumn = 0;
/**
* yy_atBOL == true <=> the scanner is currently at the beginning of a line
*/
// yy_atBOL = false;
/** zzAtEOF == true <=> the scanner has returned a value for EOF */
zzAtEOF = false;
/* user variables */
// fUndefined.delete(0, fUndefined.length());
jsonContextStack.clear();
}
/* user method */
public JSONLineTokenizer() {
super();
}
/**
* Added to workaround stricter compilation options without creating
* an alternate skeleton file
*/
void _usePrivates() {
System.out.print(yycolumn);
System.out.print(yyline);
System.out.print(Boolean.toString(zzAtBOL));
}
/**
* 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.
*/
public JSONLineTokenizer(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.
*/
public JSONLineTokenizer(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 < 128) {
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;
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
* <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 = 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 String primGetNextToken() 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++;
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 = 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 10:
{ return JSON_COMMENT;
}
case 15: break;
case 1:
{ return WHITE_SPACE;
}
case 16: break;
case 8:
{ yybegin(ST_JSON_VALUE); return JSON_COLON;
}
case 17: break;
case 7:
{ return endElement(true);
}
case 18: break;
case 13:
{ yybegin(ST_JSON_VALUE); return JSON_VALUE_BOOLEAN;
}
case 19: break;
case 14:
{ yybegin(ST_JSON_VALUE); return JSON_VALUE_NULL;
}
case 20: break;
case 2:
{ return UNDEFINED;
}
case 21: break;
case 9:
{ if (!isArrayParsing()) {
yybegin(ST_JSON_OBJECT);
}
return JSON_COMMA;
}
case 22: break;
case 5:
{ return startElement(true);
}
case 23: break;
case 12:
{ yybegin(ST_JSON_VALUE); return JSON_VALUE_STRING;
}
case 24: break;
case 4:
{ return endElement(false);
}
case 25: break;
case 3:
{ return startElement(false);
}
case 26: break;
case 6:
{ yybegin(ST_JSON_VALUE); return JSON_VALUE_NUMBER;
}
case 27: break;
case 11:
{ yybegin(ST_JSON_OBJECT_COLON); return JSON_OBJECT_KEY;
}
case 28: break;
default:
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
return null;
}
else {
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}