path: root/src/org/json/simple/parser/Yylex.java

/* The following code was generated by JFlex 1.4.2 */

package org.json.simple.parser;

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 YYINITIAL = 0;
	public static final int STRING_BEGIN = 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 };

	/**
	 * Translates characters to character classes
	 */
	private static final String ZZ_CMAP_PACKED = "\11\0\1\7\1\7\2\0\1\7\22\0\1\7\1\0\1\11\10\0" + "\1\6\1\31\1\2\1\4\1\12\12\3\1\32\6\0\4\1\1\5" + "\1\1\24\0\1\27\1\10\1\30\3\0\1\22\1\13\2\1\1\21" + "\1\14\5\0\1\23\1\0\1\15\3\0\1\16\1\24\1\17\1\20" + "\5\0\1\25\1\0\1\26\uff82\0";

	/**
	 * Translates characters to character classes
	 */
	private static final char[] ZZ_CMAP = Yylex.zzUnpackCMap(Yylex.ZZ_CMAP_PACKED);

	/**
	 * Translates DFA states to action switch labels.
	 */
	private static final int[] ZZ_ACTION = Yylex.zzUnpackAction();

	private static final String ZZ_ACTION_PACKED_0 = "\2\0\2\1\1\2\1\3\1\4\3\1\1\5\1\6" + "\1\7\1\10\1\11\1\12\1\13\1\14\1\15\5\0" + "\1\14\1\16\1\17\1\20\1\21\1\22\1\23\1\24" + "\1\0\1\25\1\0\1\25\4\0\1\26\1\27\2\0" + "\1\30";

	private static int[] zzUnpackAction() {
		final int[] result = new int[45];
		int offset = 0;
		offset = Yylex.zzUnpackAction(Yylex.ZZ_ACTION_PACKED_0, offset, result);
		return result;
	}

	private static int zzUnpackAction(final String packed, final int offset, final int[] result) {
		int i = 0; /* index in packed string */
		int j = offset; /* index in unpacked array */
		final int l = packed.length();
		while (i < l) {
			int count = packed.charAt(i++);
			final 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 = Yylex.zzUnpackRowMap();

	private static final String ZZ_ROWMAP_PACKED_0 = "\0\0\0\33\0\66\0\121\0\154\0\207\0\66\0\242" + "\0\275\0\330\0\66\0\66\0\66\0\66\0\66\0\66" + "\0\363\0\u010e\0\66\0\u0129\0\u0144\0\u015f\0\u017a\0\u0195" + "\0\66\0\66\0\66\0\66\0\66\0\66\0\66\0\66" + "\0\u01b0\0\u01cb\0\u01e6\0\u01e6\0\u0201\0\u021c\0\u0237\0\u0252" + "\0\66\0\66\0\u026d\0\u0288\0\66";

	private static int[] zzUnpackRowMap() {
		final int[] result = new int[45];
		int offset = 0;
		offset = Yylex.zzUnpackRowMap(Yylex.ZZ_ROWMAP_PACKED_0, offset, result);
		return result;
	}

	private static int zzUnpackRowMap(final String packed, final int offset, final int[] result) {
		int i = 0; /* index in packed string */
		int j = offset; /* index in unpacked array */
		final int l = packed.length();
		while (i < l) {
			final 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[] = { 2, 2, 3, 4, 2, 2, 2, 5, 2, 6, 2, 2, 7, 8, 2, 9, 2, 2, 2, 2, 2, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 4, 19, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 21, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 16,
			16, 16, 16, 16, 16, 16, 16, -1, -1, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, -1, -1, 24, 25, 26, 27, 28, 29, 30, 31, 32, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 34, 35, -1, -1, 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 36, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 37, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 39, -1, 39, -1, 39, -1, -1, -1, -1, -1, 39, 39, -1, -1, -1, -1, 39, 39, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 33, -1, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 35,
			-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 40, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 41, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 42, -1, 42, -1, 42, -1, -1, -1, -1, -1, 42, 42, -1, -1, -1, -1, 42, 42, -1, -1, -1, -1, -1, -1, -1, -1, -1, 43, -1, 43, -1, 43, -1, -1, -1, -1, -1, 43, 43, -1, -1, -1, -1, 43, 43, -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, -1, 44, -1, 44, -1, -1, -1, -1, -1, 44, 44, -1, -1, -1, -1, 44, 44, -1, -1, -1, -1, -1, -1, -1, -1, };

	/* 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 = Yylex.zzUnpackAttribute();

	private static final String ZZ_ATTRIBUTE_PACKED_0 = "\2\0\1\11\3\1\1\11\3\1\6\11\2\1\1\11" + "\5\0\10\11\1\0\1\1\1\0\1\1\4\0\2\11" + "\2\0\1\11";

	private static int[] zzUnpackAttribute() {
		final int[] result = new int[45];
		int offset = 0;
		offset = Yylex.zzUnpackAttribute(Yylex.ZZ_ATTRIBUTE_PACKED_0, offset, result);
		return result;
	}

	private static int zzUnpackAttribute(final String packed, final int offset, final int[] result) {
		int i = 0; /* index in packed string */
		int j = offset; /* index in unpacked array */
		final int l = packed.length();
		while (i < l) {
			int count = packed.charAt(i++);
			final int value = packed.charAt(i++);
			do {
				result[j++] = value;
			} while (--count > 0);
		}
		return j;
	}

	/** the input device */
	private rejava.io.Reader zzReader;

	/** the current state of the DFA */
	private int zzState;

	/** the current lexical state */
	private int zzLexicalState = Yylex.YYINITIAL;

	/**
	 * this buffer contains the current text to be matched and is the source of
	 * the yytext() string
	 */
	private char zzBuffer[] = new char[Yylex.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 StringBuffer sb = new StringBuffer();

	int getPosition() {
		return this.yychar;
	}

	/**
	 * 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(final rejava.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(final String packed) {
		final char[] map = new char[0x10000];
		int i = 0; /* index in packed string */
		int j = 0; /* index in unpacked array */
		while (i < 90) {
			int count = packed.charAt(i++);
			final 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 (this.zzStartRead > 0) {
			System.arraycopy(this.zzBuffer, this.zzStartRead, this.zzBuffer, 0, this.zzEndRead - this.zzStartRead);

			/* translate stored positions */
			this.zzEndRead -= this.zzStartRead;
			this.zzCurrentPos -= this.zzStartRead;
			this.zzMarkedPos -= this.zzStartRead;
			this.zzStartRead = 0;
		}

		/* is the buffer big enough? */
		if (this.zzCurrentPos >= this.zzBuffer.length) {
			/* if not: blow it up */
			final char newBuffer[] = new char[this.zzCurrentPos * 2];
			System.arraycopy(this.zzBuffer, 0, newBuffer, 0, this.zzBuffer.length);
			this.zzBuffer = newBuffer;
		}

		/* finally: fill the buffer with new input */
		final int numRead = this.zzReader.read(this.zzBuffer, this.zzEndRead, this.zzBuffer.length - this.zzEndRead);

		if (numRead > 0) {
			this.zzEndRead += numRead;
			return false;
		}
		// unlikely but not impossible: read 0 characters, but not at end of
		// stream
		if (numRead == 0) {
			final int c = this.zzReader.read();
			if (c == -1) {
				return true;
			} else {
				this.zzBuffer[this.zzEndRead++] = (char) c;
				return false;
			}
		}

		// numRead < 0
		return true;
	}

	/**
	 * Closes the input stream.
	 */
	public final void yyclose() throws java.io.IOException {
		this.zzAtEOF = true; /* indicate end of file */
		this.zzEndRead = this.zzStartRead; /* invalidate buffer */

		if (this.zzReader != null) {
			this.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(final rejava.io.Reader reader) {
		this.zzReader = reader;
		// this.zzAtBOL = true;
		this.zzAtEOF = false;
		this.zzEndRead = this.zzStartRead = 0;
		this.zzCurrentPos = this.zzMarkedPos = 0;
		// this.yyline = this.yychar = this.yycolumn = 0;
		this.zzLexicalState = Yylex.YYINITIAL;
	}

	/**
	 * Returns the current lexical state.
	 */
	public final int yystate() {
		return this.zzLexicalState;
	}

	/**
	 * Enters a new lexical state
	 * 
	 * @param newState
	 *            the new lexical state
	 */
	public final void yybegin(final int newState) {
		this.zzLexicalState = newState;
	}

	/**
	 * Returns the text matched by the current regular expression.
	 */
	public final String yytext() {
		return new String(this.zzBuffer, this.zzStartRead, this.zzMarkedPos - this.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(final int pos) {
		return this.zzBuffer[this.zzStartRead + pos];
	}

	/**
	 * Returns the length of the matched text region.
	 */
	public final int yylength() {
		return this.zzMarkedPos - this.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(final int errorCode) {
		String message;
		try {
			message = Yylex.ZZ_ERROR_MSG[errorCode];
		} catch (final ArrayIndexOutOfBoundsException e) {
			message = Yylex.ZZ_ERROR_MSG[Yylex.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(final int number) {
		if (number > this.yylength()) {
			this.zzScanError(Yylex.ZZ_PUSHBACK_2BIG);
		}

		this.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 Yytoken yylex() throws java.io.IOException, ParseException {
		int zzInput;
		int zzAction;

		// cached fields:
		int zzCurrentPosL;
		int zzMarkedPosL;
		int zzEndReadL = this.zzEndRead;
		char[] zzBufferL = this.zzBuffer;
		final char[] zzCMapL = Yylex.ZZ_CMAP;

		final int[] zzTransL = Yylex.ZZ_TRANS;
		final int[] zzRowMapL = Yylex.ZZ_ROWMAP;
		final int[] zzAttrL = Yylex.ZZ_ATTRIBUTE;

		while (true) {
			zzMarkedPosL = this.zzMarkedPos;

			this.yychar += zzMarkedPosL - this.zzStartRead;

			zzAction = -1;

			zzCurrentPosL = this.zzCurrentPos = this.zzStartRead = zzMarkedPosL;

			this.zzState = Yylex.ZZ_LEXSTATE[this.zzLexicalState];

			zzForAction: {
				while (true) {

					if (zzCurrentPosL < zzEndReadL) {
						zzInput = zzBufferL[zzCurrentPosL++];
					} else if (this.zzAtEOF) {
						zzInput = Yylex.YYEOF;
						break zzForAction;
					} else {
						// store back cached positions
						this.zzCurrentPos = zzCurrentPosL;
						this.zzMarkedPos = zzMarkedPosL;
						final boolean eof = this.zzRefill();
						// get translated positions and possibly new buffer
						zzCurrentPosL = this.zzCurrentPos;
						zzMarkedPosL = this.zzMarkedPos;
						zzBufferL = this.zzBuffer;
						zzEndReadL = this.zzEndRead;
						if (eof) {
							zzInput = Yylex.YYEOF;
							break zzForAction;
						} else {
							zzInput = zzBufferL[zzCurrentPosL++];
						}
					}
					final int zzNext = zzTransL[zzRowMapL[this.zzState] + zzCMapL[zzInput]];
					if (zzNext == -1) {
						break zzForAction;
					}
					this.zzState = zzNext;

					final int zzAttributes = zzAttrL[this.zzState];
					if ((zzAttributes & 1) == 1) {
						zzAction = this.zzState;
						zzMarkedPosL = zzCurrentPosL;
						if ((zzAttributes & 8) == 8) {
							break zzForAction;
						}
					}

				}
			}

			// store back cached position
			this.zzMarkedPos = zzMarkedPosL;

			switch (zzAction < 0 ? zzAction : Yylex.ZZ_ACTION[zzAction]) {
			case 11: {
				this.sb.append(this.yytext());
			}
			case 25:
				break;
			case 4: {
				this.sb = null;
				this.sb = new StringBuffer();
				this.yybegin(Yylex.STRING_BEGIN);
			}
			case 26:
				break;
			case 16: {
				this.sb.append('\b');
			}
			case 27:
				break;
			case 6: {
				return new Yytoken(Yytoken.TYPE_RIGHT_BRACE, null);
			}
			case 28:
				break;
			case 23: {
				final Boolean val = Boolean.valueOf(this.yytext());
				return new Yytoken(Yytoken.TYPE_VALUE, val);
			}
			case 29:
				break;
			case 22: {
				return new Yytoken(Yytoken.TYPE_VALUE, null);
			}
			case 30:
				break;
			case 13: {
				this.yybegin(Yylex.YYINITIAL);
				return new Yytoken(Yytoken.TYPE_VALUE, this.sb.toString());
			}
			case 31:
				break;
			case 12: {
				this.sb.append('\\');
			}
			case 32:
				break;
			case 21: {
				final Double val = Double.valueOf(this.yytext());
				return new Yytoken(Yytoken.TYPE_VALUE, val);
			}
			case 33:
				break;
			case 1: {
				throw new ParseException(this.yychar, ParseException.ERROR_UNEXPECTED_CHAR, new Character(this.yycharat(0)));
			}
			case 34:
				break;
			case 8: {
				return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE, null);
			}
			case 35:
				break;
			case 19: {
				this.sb.append('\r');
			}
			case 36:
				break;
			case 15: {
				this.sb.append('/');
			}
			case 37:
				break;
			case 10: {
				return new Yytoken(Yytoken.TYPE_COLON, null);
			}
			case 38:
				break;
			case 14: {
				this.sb.append('"');
			}
			case 39:
				break;
			case 5: {
				return new Yytoken(Yytoken.TYPE_LEFT_BRACE, null);
			}
			case 40:
				break;
			case 17: {
				this.sb.append('\f');
			}
			case 41:
				break;
			case 24: {
				try {
					final int ch = Integer.parseInt(this.yytext().substring(2), 16);
					this.sb.append((char) ch);
				} catch (final Exception e) {
					throw new ParseException(this.yychar, ParseException.ERROR_UNEXPECTED_EXCEPTION, e);
				}
			}
			case 42:
				break;
			case 20: {
				this.sb.append('\t');
			}
			case 43:
				break;
			case 7: {
				return new Yytoken(Yytoken.TYPE_LEFT_SQUARE, null);
			}
			case 44:
				break;
			case 2: {
				final Long val = Long.valueOf(this.yytext());
				return new Yytoken(Yytoken.TYPE_VALUE, val);
			}
			case 45:
				break;
			case 18: {
				this.sb.append('\n');
			}
			case 46:
				break;
			case 9: {
				return new Yytoken(Yytoken.TYPE_COMMA, null);
			}
			case 47:
				break;
			case 3: {
			}
			case 48:
				break;
			default:
				if ((zzInput == Yylex.YYEOF) && (this.zzStartRead == this.zzCurrentPos)) {
					this.zzAtEOF = true;
					return null;
				} else {
					this.zzScanError(Yylex.ZZ_NO_MATCH);
				}
			}
		}
	}

}