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/*******************************************************************************
* Copyright (c) 2007, 2011 Symbian Software Limited 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:
* Bala Torati (Symbian) - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.templateengine.processes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.cdt.core.templateengine.TemplateCore;
import org.eclipse.cdt.core.templateengine.process.ProcessArgument;
import org.eclipse.cdt.core.templateengine.process.ProcessFailureException;
import org.eclipse.cdt.core.templateengine.process.ProcessRunner;
import org.eclipse.cdt.core.templateengine.process.processes.Messages;
import org.eclipse.cdt.managedbuilder.core.IConfiguration;
import org.eclipse.cdt.managedbuilder.core.IManagedBuildInfo;
import org.eclipse.cdt.managedbuilder.core.IManagedProject;
import org.eclipse.cdt.managedbuilder.core.IResourceConfiguration;
import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* Exclude Resources from a CDT project. This takes three arguments
* <ul>
* <li> <b>projectName</b> the name of the project to exclude resources for. Must be a CDT Managed project.
* <li> <b>configIdPattern</b> a regular expression in java.util.regex.Pattern syntax for matching against the project configuration ids. The resources that
* match any of the regular expressions given in the <i>filePatterns</i> argument will be excluded for all matching project configurations.
* <li> <b>filePatterns</b> an array of regular expressions in java.util.regex.Pattern syntax for matching against project resources. The paths that
* will be matched against are workspace relative (include the project folder) and use forward slash as the file separator. That this argument is an
* array is purely to allow logically separate patterns to be given separately )rather than as one big string). If any of the regular expressions matches
* then the resource in question will be excluded for the matching configuration(s).
* <li> <b>invertConfigMatching</b> if this is set to "true" then the set of configurations for which resources matching any of the specified file patterns will
* be inverted. This enables you to specify which resources the files should not be excluded for without having to know what other configurations may exist.
* </ul>
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class ExcludeResources extends ProcessRunner {
@Override
public void process(TemplateCore template, final ProcessArgument[] args, String processId, IProgressMonitor monitor) throws ProcessFailureException {
String projectName = args[0].getSimpleValue();
String configIdPattern = args[1].getSimpleValue();
final String[] filePatterns = args[2].getSimpleArrayValue();
String invertConfigMatching = args[3].getSimpleValue();
boolean invert = Boolean.valueOf(invertConfigMatching).booleanValue();
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
IManagedBuildInfo info = ManagedBuildManager.getBuildInfo(project);
if(info==null) {
throw new ProcessFailureException(Messages.getString("ExcludeResources.0")); //$NON-NLS-1$
}
IManagedProject managedProject = info.getManagedProject();
/*
* Determine which configurations to exclude for
*/
IConfiguration[] allConfigs = managedProject.getConfigurations();
List<IConfiguration> matchingConfigs = new ArrayList<IConfiguration>();
for(int i=0; i<allConfigs.length; i++) {
IConfiguration config = allConfigs[i];
if(config.getId().matches(configIdPattern)) {
matchingConfigs.add(config);
}
}
if(invert) {
List<IConfiguration> invertedConfigs = new ArrayList<IConfiguration>(Arrays.asList(allConfigs));
invertedConfigs.removeAll(matchingConfigs);
matchingConfigs = invertedConfigs;
}
/*
* Visit project resources and exclude them if they match any pattern
*/
final List<IConfiguration> configsToProcess = matchingConfigs;
IResourceProxyVisitor visitor = new IResourceProxyVisitor() {
@Override
public boolean visit(IResourceProxy proxy) throws CoreException {
IPath lPath = proxy.requestFullPath();
if(proxy.getType() == IResource.FILE) { /* CDT does not support directory resource configurations */
boolean isDerived = false;
for(IResource res = proxy.requestResource(); res!=null; res = res.getParent()) {
isDerived |= res.isDerived();
}
if(!isDerived) {
for (IConfiguration config : configsToProcess) {
IResourceConfiguration resourceConfig = config.getResourceConfiguration(lPath.toString());
// Only add a resource configuration if the file pattern matches something that
//is actually supposed to be excluded. Adding a resrouce configuration for all files
// regardless of wheter they need it or not mess up the makefile generation.
for (String filePattern : filePatterns) {
if(lPath.toString().matches(filePattern)) {
if(resourceConfig==null) {
IFile file = (IFile) proxy.requestResource();
resourceConfig = config.createResourceConfiguration(file);
}
if (resourceConfig != null){
resourceConfig.setExclude(true);
}
break;
}
}
}
}
}
return true;
}
};
try {
project.accept(visitor, IResource.DEPTH_INFINITE);
if (info.isDirty()){
ManagedBuildManager.saveBuildInfo(project, true);
}
} catch (CoreException ce) {
throw new ProcessFailureException(ce);
}
}
}
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