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/*******************************************************************************
* Copyright (c) 2007 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.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.linuxtools.internal.rpm.ui.editor.preferences.PreferenceConstants;
import org.eclipse.linuxtools.rpm.core.utils.Utils;
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;
/*
* 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 && Utils.fileExist("/usr/bin/rpmdev-setuptree")) { //$NON-NLS-1$
org.eclipse.linuxtools.rpm.core.utils.Utils.runCommandToInputStream("rpmdev-setuptree"); //$NON-NLS-1$
}
// Check RPM tool preference.
String currentRpmTool = Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.P_CURRENT_RPMTOOLS);
if (!Utils.fileExist("/usr/bin/yum")) { //$NON-NLS-1$
if (currentRpmTool.equals(PreferenceConstants.DP_RPMTOOLS_YUM)) {
Activator.getDefault().getPreferenceStore().setValue(PreferenceConstants.P_CURRENT_RPMTOOLS, PreferenceConstants.DP_RPMTOOLS_RPM);
}
} else if (!Utils.fileExist("/usr/bin/urpmq")) { //$NON-NLS-1$
if (currentRpmTool.equals(PreferenceConstants.DP_RPMTOOLS_URPM)) {
Activator.getDefault().getPreferenceStore().setValue(PreferenceConstants.P_CURRENT_RPMTOOLS, PreferenceConstants.DP_RPMTOOLS_RPM);
}
}
}
/**
* Resolve defines for a give string, if a define is not found or if
* there is some other error, the original string is returned.
*
* @param stringToResolve The string to resolve.
* @return resolved string
*/
public static String resolveDefines(Specfile specfile, String stringToResolve) {
String originalString = stringToResolve;
SpecfileDefine define;
try {
Pattern variablePattern = Pattern.compile("%\\{(\\S+?)\\}"); //$NON-NLS-1$
Matcher variableMatcher = variablePattern.matcher(stringToResolve);
while (variableMatcher.find()) {
define = specfile.getDefine(variableMatcher.group(1));
if (define != null) {
stringToResolve = stringToResolve.replaceAll("\\b"+variableMatcher.group(1)+"\\b", define.getStringValue()); //$NON-NLS-1$ //$NON-NLS-2$
} else {
return originalString;
}
}
if (!stringToResolve.equals(originalString)) {
stringToResolve = stringToResolve.replaceAll("\\%\\{|\\}", ""); //$NON-NLS-1$ //$NON-NLS-2$
}
return stringToResolve;
} catch (Exception e) {
return originalString;
}
}
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();
}
}
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