X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Forg%2Fjson%2Fsimple%2Fparser%2FYylex.java;fp=src%2Forg%2Fjson%2Fsimple%2Fparser%2FYylex.java;h=41569d6d0e7bd13d18fbd1a5485320c1fc961275;hb=65740880573a48adc758bec3939ece9d9ae104dd;hp=0000000000000000000000000000000000000000;hpb=71aa78b8a7d54e5aeb6b278310dfd735efb77477;p=jalview.git diff --git a/src/org/json/simple/parser/Yylex.java b/src/org/json/simple/parser/Yylex.java new file mode 100644 index 0000000..41569d6 --- /dev/null +++ b/src/org/json/simple/parser/Yylex.java @@ -0,0 +1,758 @@ +/* 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 = 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\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() { + int [] result = new int[45]; + 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\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() { + int [] result = new int[45]; + 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.codePointAt(i++) << 16; + result[j++] = high | packed.codePointAt(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 aState + */ + private static final int [] ZZ_ATTRIBUTE = 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() { + int [] result = new int[45]; + 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 StringBuffer sb=new StringBuffer(); + +int getPosition(){ + return 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(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 < 90) { + 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; + 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 Yytoken yylex() throws java.io.IOException, ParseException + { + 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; + + 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 11: + { + sb.append(yytext()); + } + case 25: + break; + case 4: + { + sb = null; + sb = new StringBuffer(); + yybegin(STRING_BEGIN); + } + case 26: + break; + case 16: + { + sb.append('\b'); + } + case 27: + break; + case 6: + { + return new Yytoken(Yytoken.TYPE_RIGHT_BRACE, null); + } + case 28: + break; + case 23: + { + Boolean val = Boolean.valueOf(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: + { + yybegin(YYINITIAL); + return new Yytoken(Yytoken.TYPE_VALUE, sb.toString()); + } + case 31: + break; + case 12: + { + sb.append('\\'); + } + case 32: + break; + case 21: + { + Double val = Double.valueOf(yytext()); + return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 33: + break; + case 1: + { + throw new ParseException(yychar, + ParseException.ERROR_UNEXPECTED_CHAR, + new Character(yycharat(0))); + } + case 34: + break; + case 8: + { + return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE, null); + } + case 35: + break; + case 19: + { + sb.append('\r'); + } + case 36: + break; + case 15: + { + sb.append('/'); + } + case 37: + break; + case 10: + { + return new Yytoken(Yytoken.TYPE_COLON, null); + } + case 38: + break; + case 14: + { + sb.append('"'); + } + case 39: + break; + case 5: + { + return new Yytoken(Yytoken.TYPE_LEFT_BRACE, null); + } + case 40: + break; + case 17: + { + sb.append('\f'); + } + case 41: + break; + case 24: + { + try + { + int ch = Integer.parseInt(yytext().substring(2), 16); + sb.append((char) ch); + } catch (Exception e) + { + throw new ParseException(yychar, + ParseException.ERROR_UNEXPECTED_EXCEPTION, e); + } + } + case 42: + break; + case 20: + { + sb.append('\t'); + } + case 43: + break; + case 7: + { + return new Yytoken(Yytoken.TYPE_LEFT_SQUARE, null); + } + case 44: + break; + case 2: + { + Long val = Long.valueOf(yytext()); + return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 45: + break; + case 18: + { + 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 == YYEOF && zzStartRead == zzCurrentPos) + { + zzAtEOF = true; + return null; + } + else + { + zzScanError(ZZ_NO_MATCH); + } + } + } + } + + +}