/*******************************************************************************
* Copyright (c) 2007, 2016 Alphonse Van Assche.
* 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:
* Alphonse Van Assche - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.rpm.ui.editor;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.linuxtools.internal.rpm.ui.editor.preferences.PreferenceConstants;
import org.eclipse.linuxtools.rpm.ui.editor.parser.Specfile;
import org.eclipse.linuxtools.rpm.ui.editor.parser.SpecfileDefine;
import org.eclipse.linuxtools.rpm.ui.editor.parser.SpecfilePackage;
import org.eclipse.ui.preferences.ScopedPreferenceStore;
import org.osgi.framework.FrameworkUtil;
/*
* TODO Refract existing code to use the bellow methods so that we can easily
* switch the way that we do some common operation.
*
*/
public class UiUtils {
public static void pluginSanityCheck() throws IOException {
boolean exists = (new File(PreferenceConstants.RPMMACRO_FILE)).exists();
// Check if ~/.rpmmacros exist, if the file don't exist we create
// it with the appropriate command.
if (!exists && Files.exists(Paths.get("/usr/bin/rpmdev-setuptree"))) { //$NON-NLS-1$
org.eclipse.linuxtools.rpm.core.utils.Utils.runCommandToInputStream("rpmdev-setuptree"); //$NON-NLS-1$
}
// Check RPM tool preference.
IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE,
FrameworkUtil.getBundle(UiUtils.class).getSymbolicName());
String currentRpmTool = store.getString(PreferenceConstants.P_CURRENT_RPMTOOLS);
if (!Files.exists(Paths.get("/usr/bin/yum"))) { //$NON-NLS-1$
if (currentRpmTool.equals(PreferenceConstants.DP_RPMTOOLS_YUM)) {
store.setValue(PreferenceConstants.P_CURRENT_RPMTOOLS, PreferenceConstants.DP_RPMTOOLS_RPM);
}
} else if (!Files.exists(Paths.get("/usr/bin/urpmq"))) { //$NON-NLS-1$
if (currentRpmTool.equals(PreferenceConstants.DP_RPMTOOLS_URPM)) {
store.setValue(PreferenceConstants.P_CURRENT_RPMTOOLS, PreferenceConstants.DP_RPMTOOLS_RPM);
}
}
}
/**
* Resolve defines for a given string. Defines in the string that are not
* found or have some other error will remain unchanged in the returned
* string.
*
* @param specfile
* The specfile containing the string to resolve.
* @param stringToResolve
* The string to resolve.
* @return The resolved string.
*/
public static String resolveDefines(Specfile specfile, String stringToResolve) {
String workingString = stringToResolve;
SpecfileDefine define;
try {
Pattern variablePattern = Pattern.compile("%\\{(\\S+?)\\}"); //$NON-NLS-1$
Matcher variableMatcher = variablePattern.matcher(stringToResolve);
Set<String> variablesFound = new HashSet<>();
while (variableMatcher.find()) {
String variable = variableMatcher.group(1);
if (variablesFound.contains(variable)) {
continue;
}
define = specfile.getDefine(variable);
if (define != null && !stringToResolve.equals(define.getUnresolvedStringValue())) {
workingString = workingString.replaceAll("\\%\\{" + variable + "\\}", define.getStringValue()); //$NON-NLS-1$ //$NON-NLS-2$
}
}
return workingString;
} catch (Exception e) {
return stringToResolve;
}
}
public static String getPackageDefineId(SpecfileDefine define, SpecfilePackage rpmPackage) {
return getPackageDefineId(define.getName(), rpmPackage);
}
public static String getPackageDefineId(String defineName, SpecfilePackage rpmPackage) {
return defineName.toLowerCase() + ':' + rpmPackage.getPackageName();
}
}