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/**
* (C) Copyright 2022 Benjamin Culkin.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package bjc.inflexion;
import java.util.Collections;
import java.util.List;
/**
* Exception thrown if the string we are attempting to compile has invalid
* syntax.
*
* @author bjculkin
*
*/
public class InflectionFormatException extends RuntimeException {
private static final long serialVersionUID = -5306003088746525691L;
/**
* The string we attempted to parse.
*/
public final String inp;
/**
* The errors we encountered parsing the string.
*/
public final List<String> parseErrors;
/**
* Create a new format exception.
*
* @param inp
* The string we are attempting to compile
* @param parseErrors
* The errors we encountered parsing the string.
*/
public InflectionFormatException(String inp, List<String> parseErrors) {
this.inp = inp;
// Can't modify the list of parse errors.
this.parseErrors = Collections.unmodifiableList(parseErrors);
}
/*
* (non-Javadoc)
*
* @see java.lang.Throwable#toString()
*/
@Override
public String toString() {
boolean doBrief = false;
if (doBrief)
return String.format("Encountered %d errors attempting to parse string %s",
parseErrors.size(), inp);
StringBuilder sb = new StringBuilder(parseErrors.size());
sb.append("Encountered errors attempting to parse the following string:\n\t");
sb.append(inp);
sb.append("\nErrors:");
for (int i = 0; i < parseErrors.size(); i++) {
String msg = parseErrors.get(i);
sb.append("\n\t");
sb.append(msg);
}
sb.append("\n(total of ");
sb.append(parseErrors.size());
sb.append(" errors)");
return sb.toString();
}
}
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