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/*
* Copyright (C) 2008, Google Inc. and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.patch;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.util.Locale;
import org.eclipse.jgit.util.RawParseUtils;
/**
* An error in a patch script
*/
public class FormatError {
/** Classification of an error. */
public enum Severity {
/** The error is unexpected, but can be worked around. */
WARNING,
/** The error indicates the script is severely flawed. */
ERROR;
}
private final byte[] buf;
private final int offset;
private final Severity severity;
private final String message;
FormatError(final byte[] buffer, final int ptr, final Severity sev,
final String msg) {
buf = buffer;
offset = ptr;
severity = sev;
message = msg;
}
/**
* Get the severity of the error.
*
* @return the severity of the error.
*/
public Severity getSeverity() {
return severity;
}
/**
* Get a message describing the error.
*
* @return a message describing the error.
*/
public String getMessage() {
return message;
}
/**
* Get the byte buffer holding the patch script.
*
* @return the byte buffer holding the patch script.
*/
public byte[] getBuffer() {
return buf;
}
/**
* Get byte offset within {@link #getBuffer()} where the error is.
*
* @return byte offset within {@link #getBuffer()} where the error is.
*/
public int getOffset() {
return offset;
}
/**
* Get line of the patch script the error appears on.
*
* @return line of the patch script the error appears on.
*/
public String getLineText() {
final int eol = RawParseUtils.nextLF(buf, offset);
return RawParseUtils.decode(UTF_8, buf, offset, eol);
}
@Override
public String toString() {
final StringBuilder r = new StringBuilder();
r.append(getSeverity().name().toLowerCase(Locale.ROOT));
r.append(": at offset "); //$NON-NLS-1$
r.append(getOffset());
r.append(": "); //$NON-NLS-1$
r.append(getMessage());
r.append("\n"); //$NON-NLS-1$
r.append(" in "); //$NON-NLS-1$
r.append(getLineText());
return r.toString();
}
}
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