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    1   /* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 *
    2    *
    3    * !!!MODIFIED BY DMITRI PLOTNIKOV - DO NOT REGENERATE!!!
    4    */
    5   package org.apache.commons.jxpath.ri.parser;
    6
    7   public class TokenMgrError extends Error
    8   {
    9      /*
    10      * Ordinals for various reasons why an Error of this type can be thrown.
    11      */
    12
    13     /***
    14      * Lexical error occured.
    15      */
    16     static final int LEXICAL_ERROR = 0;
    17
    18     /***
    19      * An attempt wass made to create a second instance of a static token manager.
    20      */
    21     static final int STATIC_LEXER_ERROR = 1;
    22
    23     /***
    24      * Tried to change to an invalid lexical state.
    25      */
    26     static final int INVALID_LEXICAL_STATE = 2;
    27
    28     /***
    29      * Detected (and bailed out of) an infinite loop in the token manager.
    30      */
    31     static final int LOOP_DETECTED = 3;
    32
    33     /***
    34      * Indicates the reason why the exception is thrown. It will have
    35      * one of the above 4 values.
    36      */
    37     int errorCode;
    38
    39     /***
    40      * Replaces unprintable characters by their espaced (or unicode escaped)
    41      * equivalents in the given string
    42      */
    43     public static final String addEscapes(String str) {
    44        StringBuffer retval = new StringBuffer();
    45        char ch;
    46        for (int i = 0; i < str.length(); i++) {
    47          switch (str.charAt(i))
    48          {
    49             case 0 :
    50                continue;
    51             case '\b':
    52                retval.append("//b");
    53                continue;
    54             case '\t':
    55                retval.append("//t");
    56                continue;
    57             case '\n':
    58                retval.append("//n");
    59                continue;
    60             case '\f':
    61                retval.append("//f");
    62                continue;
    63             case '\r':
    64                retval.append("//r");
    65                continue;
    66             case '\"':
    67                retval.append("//\"");
    68                continue;
    69             case '\'':
    70                retval.append("//\'");
    71                continue;
    72             case '//':
    73                retval.append("////");
    74                continue;
    75             default:
    76                if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
    77                   String s = "0000" + Integer.toString(ch, 16);
    78                   retval.append("//u" + s.substring(s.length() - 4, s.length()));
    79                } else {
    80                   retval.append(ch);
    81                }
    82                continue;
    83          }
    84        }
    85        return retval.toString();
    86     }
    87
    88     /***
    89      * Returns a detailed message for the Error when it is thrown by the
    90      * token manager to indicate a lexical error.
    91      * Parameters :
    92      *    EOFSeen     : indicates if EOF caused the lexicl error
    93      *    curLexState : lexical state in which this error occured
    94      *    errorLine   : line number when the error occured
    95      *    errorColumn : column number when the error occured
    96      *    errorAfter  : prefix that was seen before this error occured
    97      *    curchar     : the offending character
    98      * Note: You can customize the lexical error message by modifying this method.
    99      */
    100    protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
    101       return("Lexical error at line " +
    102            errorLine + ", column " +
    103            errorColumn + ".  Encountered: " +
    104            (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
    105            "after : \"" + addEscapes(errorAfter) + "\"");
    106    }
    107
    108    /***
    109     * You can also modify the body of this method to customize your error messages.
    110     * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
    111     * of end-users concern, so you can return something like :
    112     *
    113     *     "Internal Error : Please file a bug report .... "
    114     *
    115     * from this method for such cases in the release version of your parser.
    116     */
    117    public String getMessage() {
    118       return super.getMessage();
    119    }
    120
    121    /*
    122     * Constructors of various flavors follow.
    123     */
    124
    125    public TokenMgrError() {
    126    }
    127
    128    public TokenMgrError(String message, int reason) {
    129       super(message);
    130       errorCode = reason;
    131    }
    132
    133    public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
    134       this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
    135
    136       // ADDED BY ME FROM THIS POINT TO THE EOF - DMITRI PLOTNIKOV
    137       position = errorColumn - 1;
    138       character = curChar;
    139    }
    140
    141
    142    private int position;
    143    private char character;
    144
    145
    146    public int getPosition(){
    147     return position;
    148    }
    149
    150    public char getCharacter(){
    151     return character;
    152    }
    153 }