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/*******************************************************************************
* Copyright (c) 2012, 2014 Google, Inc and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Sergey Prigogin (Google) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring.includes;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IMacroBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPBinding;
import org.eclipse.cdt.core.index.IIndexFile;
import org.eclipse.cdt.core.parser.util.StringUtil;
import org.eclipse.core.runtime.IPath;
class InclusionRequest {
private static final String UNINITIALIZED = "uninitialized"; //$NON-NLS-1$
private final IBinding fBinding;
private final Map<IIndexFile, IPath> fDeclaringFiles;
private final boolean fReachable;
private List<IPath> fCandidatePaths;
private IPath fResolvedPath;
private String fQualifiedName = UNINITIALIZED;
/**
* @param binding the binding that requires inclusion
* @param declaringHeaders headers that can be included to declare the binding and paths
* that can be used to include them
* @param reachable indicates whether the headers were previously included or not
*/
public InclusionRequest(IBinding binding, Map<IIndexFile, IPath> declaringHeaders, boolean reachable) {
fBinding = binding;
fDeclaringFiles = Collections.unmodifiableMap(declaringHeaders);
fReachable = reachable;
fCandidatePaths = new ArrayList<>(new HashSet<>(fDeclaringFiles.values()));
}
public IBinding getBinding() {
return fBinding;
}
/**
* Returns the qualified name of the binding, or {@code null} if the binding doesn't have
* a qualified name.
*/
public String getBindingQualifiedName() {
if (fQualifiedName == UNINITIALIZED) {
fQualifiedName = null;
if (fBinding instanceof ICPPBinding) {
ICPPBinding cppBinding = (ICPPBinding) fBinding;
try {
if (cppBinding.isGloballyQualified()) {
fQualifiedName = StringUtil.join(cppBinding.getQualifiedName(), "::"); //$NON-NLS-1$
}
} catch (DOMException e) {
// Leave null;
}
} else if (fBinding instanceof IMacroBinding || fBinding.getOwner() == null) {
fQualifiedName = fBinding.getName();
}
}
return fQualifiedName;
}
public Map<IIndexFile, IPath> getDeclaringFiles() {
return fDeclaringFiles;
}
public List<IPath> getCandidatePaths() {
return fCandidatePaths;
}
public void setCandidatePaths(List<IPath> paths) {
fCandidatePaths = paths;
}
public boolean isReachable() {
return fReachable;
}
public void resolve(IPath path) {
if (fResolvedPath != null)
throw new IllegalStateException();
fResolvedPath = path;
}
public IPath getResolvedPath() {
return fResolvedPath;
}
public boolean isResolved() {
return fResolvedPath != null;
}
/** For debugging only */
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append(fBinding.getName());
buf.append(" defined in "); //$NON-NLS-1$
for (int i = 0; i < fCandidatePaths.size(); i++) {
if (i != 0)
buf.append(", "); //$NON-NLS-1$
buf.append(fCandidatePaths.get(i).toOSString());
}
if (fResolvedPath != null) {
buf.append(" represented by "); //$NON-NLS-1$
buf.append(fResolvedPath.toOSString());
}
return buf.toString();
}
}
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