de.intarsys.pdf.postscript.TokenMgrError Maven / Gradle / Ivy
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This is a fork of http://sourceforge.net/projects/jpodlib/ as development seems to be frozen.
We're providing some bug fixes along with deployments to maven.
/*
* Copyright (c) 2007, intarsys consulting GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of intarsys nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */
package de.intarsys.pdf.postscript;
public class TokenMgrError extends Error {
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Tried to change to an invalid lexical state.
*/
static final int INVALID_LEXICAL_STATE = 2;
/**
* Lexical error occured.
*/
static final int LEXICAL_ERROR = 0;
/**
* Detected (and bailed out of) an infinite loop in the token manager.
*/
static final int LOOP_DETECTED = 3;
/**
* An attempt wass made to create a second instance of a static token
* manager.
*/
static final int STATIC_LEXER_ERROR = 1;
/**
* Replaces unprintable characters by their espaced (or unicode escaped)
* equivalents in the given string
*/
protected static String addEscapes(String str) {
StringBuilder retval = new StringBuilder();
char ch;
for (int i = 0; i < str.length(); i++) {
switch (str.charAt(i)) {
case 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.charAt(i)) < 0x20) || (ch > 0x7e)) {
String s = "0000" + Integer.toString(ch, 16);
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(boolean EOFSeen,
int lexState,
int errorLine,
int errorColumn,
String errorAfter,
char curChar) {
return ("Lexical error at line "
+ errorLine
+ ", column "
+ errorColumn
+ ". Encountered: "
+ (EOFSeen ?
" " :
(("\""
+ addEscapes(String.valueOf(curChar))
+ "\"")
+ " ("
+ (int) curChar
+ "), "))
+ "after : \""
+ addEscapes(errorAfter)
+ "\"");
}
/**
* Indicates the reason why the exception is thrown. It will have one of the
* above 4 values.
*/
int errorCode;
public TokenMgrError() {
}
/*
* Constructors of various flavors follow.
*/
public TokenMgrError(boolean EOFSeen,
int lexState,
int errorLine,
int errorColumn,
String errorAfter,
char curChar,
int reason) {
this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
}
public TokenMgrError(String message, int reason) {
super(message);
errorCode = reason;
}
/**
* 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.
*/
@Override
public String getMessage() {
return super.getMessage();
}
}