/*******************************************************************************
* Copyright (c) 2007, 2013 Intel Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Intel Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.settings.model;
import org.eclipse.cdt.core.settings.model.util.LanguageSettingEntriesSerializer;
import org.eclipse.cdt.internal.core.SafeStringInterner;
public abstract class ACSettingEntry implements ICSettingEntry {
private final int fFlags;
private final String fName;
ACSettingEntry(String name, int flags) {
fName = SafeStringInterner.safeIntern(name);
fFlags = flags;
}
@Override
public boolean isBuiltIn() {
return checkFlags(BUILTIN);
}
@Override
public boolean isReadOnly() {
return checkFlags(READONLY);
}
protected boolean checkFlags(int flags) {
return (fFlags & flags) == flags;
}
@Override
public String getName() {
return fName;
}
@Override
public String getValue() {
//name and value differ only for macro entry and have the same contents
//for all other entries
return fName;
}
@Override
public boolean isResolved() {
return checkFlags(RESOLVED);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ACSettingEntry other = (ACSettingEntry) obj;
if (fFlags != other.fFlags)
return false;
if (fName == null) {
if (other.fName != null)
return false;
} else if (!fName.equals(other.fName)) {
return false;
}
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + fFlags;
result = prime * result + (fName == null ? 0 : fName.hashCode());
return result;
}
@Override
public int getFlags() {
return fFlags;
}
@Override
public boolean equalsByContents(ICSettingEntry entry) {
return equalsByName(entry);
}
protected int getByNameMatchFlags() {
return fFlags & ~(BUILTIN | READONLY | RESOLVED);
}
@Override
public final boolean equalsByName(ICSettingEntry entry) {
if (entry == this)
return true;
if (!(entry instanceof ACSettingEntry))
return false;
ACSettingEntry e = (ACSettingEntry)entry;
if (getKind() != e.getKind())
return false;
if (getByNameMatchFlags()
!= e.getByNameMatchFlags())
return false;
if (!fName.equals(e.fName))
return false;
return true;
}
public final int codeForNameKey() {
return getKind() + getByNameMatchFlags() + fName.hashCode();
}
public int codeForContentsKey() {
return codeForNameKey();
}
@Override
public final String toString() {
StringBuilder buf = new StringBuilder();
buf.append('[').append(LanguageSettingEntriesSerializer.kindToString(getKind())).append(']').append(' ');
buf.append(contentsToString());
buf.append("; flags: ").append(LanguageSettingEntriesSerializer.composeFlagsString(getFlags())); //$NON-NLS-1$
return buf.toString();
}
protected abstract String contentsToString();
}