/* Generated By: CSCC: 4.0 (07/17/2009) Do not edit this line. TokenMgrError.cs Version 3.0 */ using System; namespace edu.neu.ccs.demeterf.http.classes{ public class TokenMgrError : System.Exception{ public class EOFException : System.IO.IOException{} /* * Ordinals for various reasons why an Error of this type can be thrown. */ /** * Lexical error occured. */ public static int LEXICAL_ERROR = 0; /** * An attempt wass made to create a second instance of a static token manager. */ public static int STATIC_LEXER_ERROR = 1; /** * Tried to change to an invalid lexical state. */ public static int INVALID_LEXICAL_STATE = 2; /** * Detected (and bailed out of) an infinite loop in the token manager. */ public static int LOOP_DETECTED = 3; /** * Indicates the reason why the exception is thrown. It will have * one of the above 4 values. */ int errorCode; /** * Replaces unprintable characters by their espaced (or unicode escaped) * equivalents in the given string */ public static String addEscapes(String str) { System.Text.StringBuilder retval = new System.Text.StringBuilder(); char ch; for (int i = 0; i < str.Length; i++) { switch (str[i]){ case (char)0 : continue; case '\b': retval.Append("\\b"); continue; case '\t': retval.Append("\\t"); continue; case '\n': retval.Append("\\n"); continue; case '\f': retval.Append("\\f"); continue; case '\r': retval.Append("\\r"); continue; case '\"': retval.Append("\\\""); continue; case '\'': retval.Append("\\\'"); continue; case '\\': retval.Append("\\\\"); continue; default: if ((ch = str[i]) < 0x20 || ch > 0x7e) { String s = "0000" + ((int)ch).ToString("X"); retval.Append("\\u" + s.Substring(s.Length - 4, s.Length)); } else { retval.Append(ch); } continue; } } return retval.ToString(); } /** * Returns a detailed message for the Error when it is thrown by the * token manager to indicate a lexical error. * Parameters : * EOFSeen : indicates if EOF caused the lexicl error * curLexState : lexical state in which this error occured * errorLine : line number when the error occured * errorColumn : column number when the error occured * errorAfter : prefix that was seen before this error occured * curchar : the offending character * Note: You can customize the lexical error message by modifying this method. */ protected static String LexicalError(bool EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { return("Lexical error at line " + errorLine + ", column " + errorColumn + ". Encountered: " + (EOFSeen ? " " : ("\"" + addEscapes(""+(curChar)) + "\"") + " (" + (int)curChar + "), ") + "after : \"" + addEscapes(errorAfter) + "\""); } /** * You can also modify the body of this method to customize your error messages. * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not * of end-users concern, so you can return something like : * * "Internal Error : Please file a bug report .... " * * from this method for such cases in the release version of your parser. */ public override String Message { get { return base.Message; } } /* * Constructors of various flavors follow. */ public TokenMgrError() { } public TokenMgrError(String message, int reason) : base(message) { errorCode = reason; } public TokenMgrError(bool EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) : this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason) {} } }