001/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 7.0 */
002/* JavaCCOptions: */
003package org.apache.commons.configuration.plist;
004
005/** Token Manager Error. */
006public class TokenMgrError extends Error
007{
008
009  /**
010   * The version identifier for this Serializable class.
011   * Increment only if the <i>serialized</i> form of the
012   * class changes.
013   */
014  private static final long serialVersionUID = 1L;
015
016  /*
017   * Ordinals for various reasons why an Error of this type can be thrown.
018   */
019
020  /**
021   * Lexical error occurred.
022   */
023  public static final int LEXICAL_ERROR = 0;
024
025  /**
026   * An attempt was made to create a second instance of a static token manager.
027   */
028  public static final int STATIC_LEXER_ERROR = 1;
029
030  /**
031   * Tried to change to an invalid lexical state.
032   */
033  public static final int INVALID_LEXICAL_STATE = 2;
034
035  /**
036   * Detected (and bailed out of) an infinite loop in the token manager.
037   */
038  public static final int LOOP_DETECTED = 3;
039
040  /**
041   * Indicates the reason why the exception is thrown. It will have
042   * one of the above 4 values.
043   */
044  int errorCode;
045
046  /**
047   * Replaces unprintable characters by their escaped (or unicode escaped)
048   * equivalents in the given string
049   */
050  protected static final String addEscapes(String str) {
051    StringBuilder retval = new StringBuilder();
052    char ch;
053    for (int i = 0; i < str.length(); i++) {
054      switch (str.charAt(i))
055      {
056        case '\b':
057          retval.append("\\b");
058          continue;
059        case '\t':
060          retval.append("\\t");
061          continue;
062        case '\n':
063          retval.append("\\n");
064          continue;
065        case '\f':
066          retval.append("\\f");
067          continue;
068        case '\r':
069          retval.append("\\r");
070          continue;
071        case '\"':
072          retval.append("\\\"");
073          continue;
074        case '\'':
075          retval.append("\\\'");
076          continue;
077        case '\\':
078          retval.append("\\\\");
079          continue;
080        default:
081          if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
082            String s = "0000" + Integer.toString(ch, 16);
083            retval.append("\\u" + s.substring(s.length() - 4, s.length()));
084          } else {
085            retval.append(ch);
086          }
087          continue;
088      }
089    }
090    return retval.toString();
091  }
092
093  /**
094   * Returns a detailed message for the Error when it is thrown by the
095   * token manager to indicate a lexical error.
096   * Parameters :
097   *    EOFSeen     : indicates if EOF caused the lexical error
098   *    lexState    : lexical state in which this error occurred
099   *    errorLine   : line number when the error occurred
100   *    errorColumn : column number when the error occurred
101   *    errorAfter  : prefix that was seen before this error occurred
102   *    curchar     : the offending character
103   * Note: You can customize the lexical error message by modifying this method.
104   */
105  protected static String LexicalErr(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar) {
106    char curChar1 = (char)curChar;
107    return("Lexical error at line " + //
108          errorLine + ", column " + //
109          errorColumn + ".  Encountered: " + //
110          (EOFSeen ? "<EOF>" : ("'" + addEscapes(String.valueOf(curChar)) + "' (" + (int)curChar + "),")) + //
111          (errorAfter == null || errorAfter.length() == 0 ? "" : " after prefix \"" + addEscapes(errorAfter) + "\"")) + //
112          (lexState == 0 ? "" : " (in lexical state " + lexState + ")");
113  }
114
115  /**
116   * You can also modify the body of this method to customize your error messages.
117   * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not
118   * of end-users concern, so you can return something like :
119   *
120   *     "Internal Error : Please file a bug report .... "
121   *
122   * from this method for such cases in the release version of your parser.
123   */
124  @Override
125  public String getMessage() {
126    return super.getMessage();
127  }
128
129  /*
130   * Constructors of various flavors follow.
131   */
132
133  /** No arg constructor. */
134  public TokenMgrError() {
135  }
136
137  /** Constructor with message and reason. */
138  public TokenMgrError(String message, int reason) {
139    super(message);
140    errorCode = reason;
141  }
142
143  /** Full Constructor. */
144  public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar, int reason) {
145    this(LexicalErr(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
146  }
147}
148/* JavaCC - OriginalChecksum=6bde4a3ca376bdc92b5a47a9e4171816 (do not edit this line) */