org.xmlbeam.util.intern.duplex.PostParseException Maven / Gradle / Ivy
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The coolest XML library for Java around. Define typesafe views (projections) to xml. Use XPath to read and write XML. Bind XML to Java collections. Requires at least Java6, supports Java8 features and has no further runtime dependencies.
package org.xmlbeam.util.intern.duplex;
import org.xmlbeam.util.intern.duplex.Token;
/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 3.0 */
/*
Copyright (c) 2005 W3C(r) (http://www.w3.org/) (MIT (http://www.lcs.mit.edu/),
INRIA (http://www.inria.fr/), Keio (http://www.keio.ac.jp/)),
All Rights Reserved.
See http://www.w3.org/Consortium/Legal/ipr-notice-20000612#Copyright.
W3C liability
(http://www.w3.org/Consortium/Legal/ipr-notice-20000612#Legal_Disclaimer),
trademark
(http://www.w3.org/Consortium/Legal/ipr-notice-20000612#W3C_Trademarks),
document use
(http://www.w3.org/Consortium/Legal/copyright-documents-19990405),
and software licensing rules
(http://www.w3.org/Consortium/Legal/copyright-software-19980720)
apply.
*/
/**
* This exception is thrown when parse errors are encountered. You can explicitly create objects of
* this exception type by calling the method generateParseException in the generated parser. You can
* modify this class to customize your error reporting mechanisms so long as you retain the public
* fields.
*/
public class PostParseException extends RuntimeException {
/**
*
*/
private static final long serialVersionUID = -5700064789730042635L;
/**
* This constructor is used by the method "generateParseException" in the generated parser.
* Calling this constructor generates a new object of this type with the fields "currentToken",
* "expectedTokenSequences", and "tokenImage" set. The boolean flag "specialConstructor" is also
* set to true to indicate that this constructor was used to create this object. This
* constructor calls its super class with the empty string to force the "toString" method of
* parent class "Throwable" to print the error message in the form: ParseException:
*
* @param currentTokenVal
* @param expectedTokenSequencesVal
* @param tokenImageVal
*/
public PostParseException(final Token currentTokenVal, final int[][] expectedTokenSequencesVal, final String[] tokenImageVal) {
super("");
specialConstructor = true;
currentToken = currentTokenVal;
expectedTokenSequences = expectedTokenSequencesVal;
tokenImage = tokenImageVal;
}
/**
* The following constructors are for use by you for whatever purpose you can think of.
* Constructing the exception in this manner makes the exception behave in the normal way -
* i.e., as documented in the class "Throwable". The fields "errorToken",
* "expectedTokenSequences", and "tokenImage" do not contain relevant information. The JavaCC
* generated code does not use these constructors.
*/
public PostParseException() {
super();
specialConstructor = false;
currentToken = null;
expectedTokenSequences = null;
tokenImage = null;
}
/**
* @param message
*/
public PostParseException(final String message) {
super(message);
specialConstructor = false;
currentToken = null;
expectedTokenSequences = null;
tokenImage = null;
}
/**
* This variable determines which constructor was used to create this object and thereby affects
* the semantics of the "getMessage" method (see below).
*/
protected final boolean specialConstructor;
/**
* This is the last token that has been consumed successfully. If this object has been created
* due to a parse error, the token followng this token will (therefore) be the first error
* token.
*/
public final Token currentToken;
/**
* Each entry in this array is an array of integers. Each array of integers represents a
* sequence of tokens (by their ordinal values) that is expected at this point of the parse.
*/
public final int[][] expectedTokenSequences;
/**
* This is a reference to the "tokenImage" array of the generated parser within which the parse
* error occurred. This array is defined in the generated ...Constants interface.
*/
public final String[] tokenImage;
/**
* This method has the standard behavior when this object has been created using the standard
* constructors. Otherwise, it uses "currentToken" and "expectedTokenSequences" to generate a
* parse error message and returns it. If this object has been created due to a parse error, and
* you do not catch it (it gets thrown from the parser), then this method is called during the
* printing of the final stack trace, and hence the correct error message gets displayed.
*/
@Override
public String getMessage() {
if (!specialConstructor) {
return super.getMessage();
}
String expected = "";
int maxSize = 0;
for (int i = 0; i < expectedTokenSequences.length; i++) {
if (maxSize < expectedTokenSequences[i].length) {
maxSize = expectedTokenSequences[i].length;
}
for (int j = 0; j < expectedTokenSequences[i].length; j++) {
expected += tokenImage[expectedTokenSequences[i][j]] + " ";
}
if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
expected += "...";
}
expected += eol + " ";
}
String retval = "Encountered \"";
Token tok = currentToken.next;
for (int i = 0; i < maxSize; i++) {
if (i != 0) {
retval += " ";
}
if (tok.kind == 0) {
retval += tokenImage[0];
break;
}
retval += add_escapes(tok.image);
tok = tok.next;
}
retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn;
retval += "." + eol;
if (expectedTokenSequences.length == 1) {
retval += "Was expecting:" + eol + " ";
} else {
retval += "Was expecting one of:" + eol + " ";
}
retval += expected;
return retval;
}
/**
* The end of line string for this machine.
*/
protected final String eol = System.getProperty("line.separator", "\n");
/**
* Used to convert raw characters to their escaped version when these raw version cannot be used
* as part of an ASCII string literal.
*/
protected String add_escapes(final String str) {
StringBuffer retval = new StringBuffer();
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();
}
}