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/*******************************************************************************
* Copyright (c) 2007, 2011 Intel Corporation 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:
* Intel Corporation - Initial API and implementation
* IBM Corporation
*******************************************************************************/
package org.eclipse.cdt.make.core.scannerconfig;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.cdt.internal.core.SafeStringInterner;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public final class PathInfo {
private static final Path[] EMPTY_PATH_ARRAY = new Path[0];
public final static PathInfo EMPTY_INFO = new PathInfo(null, null, null, null, null);
private static int EMPTY_CODE = 53;
private IPath[] fIncludePaths;
private IPath[] fQuoteIncludePaths;
private HashMap<String, String> fSymbols;
private IPath[] fIncludeFiles;
private IPath[] fMacroFiles;
private int fHash;
public PathInfo(IPath[] includePaths, IPath[] quoteIncludePaths, Map<String, String> symbols, IPath[] includeFiles,
IPath[] macroFiles) {
fIncludePaths = includePaths != null && includePaths.length != 0 ? (IPath[]) includePaths.clone()
: EMPTY_PATH_ARRAY;
fQuoteIncludePaths = quoteIncludePaths != null && quoteIncludePaths.length != 0
? (IPath[]) quoteIncludePaths.clone()
: EMPTY_PATH_ARRAY;
fSymbols = symbols != null && symbols.size() != 0 ? getInternedHashMap(symbols)
: new HashMap<String, String>(0);
fIncludeFiles = includeFiles != null && includeFiles.length != 0 ? (IPath[]) includeFiles.clone()
: EMPTY_PATH_ARRAY;
fMacroFiles = macroFiles != null && macroFiles.length != 0 ? (IPath[]) macroFiles.clone() : EMPTY_PATH_ARRAY;
}
/**
* Returns a new HashMap whereby all the strings used as keys and values are interned.
*
* @param oldMap
* @return HashMap<String, String>
*/
protected HashMap<String, String> getInternedHashMap(Map<String, String> oldMap) {
if (oldMap == null)
return null;
if (oldMap.isEmpty())
return new HashMap<String, String>(oldMap);
HashMap<String, String> newMap = new HashMap<String, String>(oldMap.size());
for (String key : oldMap.keySet()) {
newMap.put(SafeStringInterner.safeIntern(key), SafeStringInterner.safeIntern(oldMap.get(key)));
}
return newMap;
}
/**
* Get include paths
*/
public IPath[] getIncludePaths() {
return fIncludePaths.length != 0 ? (IPath[]) fIncludePaths.clone() : EMPTY_PATH_ARRAY;
}
/**
* Get quote include paths (for #include "...")
*/
public IPath[] getQuoteIncludePaths() {
return fQuoteIncludePaths.length != 0 ? (IPath[]) fQuoteIncludePaths.clone() : EMPTY_PATH_ARRAY;
}
/**
* Get defined symbols
*/
@SuppressWarnings("unchecked")
public Map<String, String> getSymbols() {
return (Map<String, String>) fSymbols.clone();
}
/**
* Get include files (gcc option -include)
*/
public IPath[] getIncludeFiles() {
return fIncludeFiles.length != 0 ? (IPath[]) fIncludeFiles.clone() : EMPTY_PATH_ARRAY;
}
/**
* Get macro files (gcc option -imacros)
*/
public IPath[] getMacroFiles() {
return fMacroFiles.length != 0 ? (IPath[]) fMacroFiles.clone() : EMPTY_PATH_ARRAY;
}
/**
* Returns if there is any discovered scanner info
*/
public boolean isEmpty() {
return fIncludePaths.length == 0 && fQuoteIncludePaths.length == 0 && fSymbols.size() == 0
&& fIncludeFiles.length == 0 && fMacroFiles.length == 0;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof PathInfo))
return false;
PathInfo other = (PathInfo) obj;
if (!Arrays.equals(fIncludePaths, other.fIncludePaths))
return false;
if (!Arrays.equals(fQuoteIncludePaths, other.fQuoteIncludePaths))
return false;
if (!fSymbols.equals(other.fSymbols))
return false;
if (!Arrays.equals(fIncludeFiles, other.fIncludeFiles))
return false;
if (!Arrays.equals(fMacroFiles, other.fMacroFiles))
return false;
return true;
}
@Override
public int hashCode() {
int hash = fHash;
if (hash == 0) {
hash = EMPTY_CODE;
if (fIncludePaths.length != 0) {
for (int i = 0; i < fIncludePaths.length; i++) {
hash += fIncludePaths[i].hashCode();
}
}
if (fQuoteIncludePaths.length != 0) {
for (int i = 0; i < fQuoteIncludePaths.length; i++) {
hash += fQuoteIncludePaths[i].hashCode();
}
}
hash += fSymbols.hashCode();
if (fIncludeFiles.length != 0) {
for (int i = 0; i < fIncludeFiles.length; i++) {
hash += fIncludeFiles[i].hashCode();
}
}
if (fMacroFiles.length != 0) {
for (int i = 0; i < fMacroFiles.length; i++) {
hash += fMacroFiles[i].hashCode();
}
}
fHash = hash;
}
return hash;
}
}
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