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/**********************************************************************
* Copyright (c) 2007, 2010 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
**********************************************************************/
package org.eclipse.cdt.managedbuilder.gnu.templates;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.cdt.core.templateengine.TemplateCore;
import org.eclipse.cdt.core.templateengine.TemplateEngineHelper;
import org.eclipse.cdt.core.templateengine.process.ProcessArgument;
import org.eclipse.cdt.core.templateengine.process.ProcessFailureException;
import org.eclipse.cdt.core.templateengine.process.ProcessHelper;
import org.eclipse.cdt.core.templateengine.process.ProcessRunner;
import org.eclipse.cdt.core.templateengine.process.processes.Messages;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
/**
* @author Doug Schaefer
*
* TODO - this is necessitated because the default macro format for
* the template engine is $( and ) which is the same as make macros.
* This replaces that with something more make friendly.
*
* But at the end of they day, we need a real macro replacement engine
* like JET, or something...
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class SimpleMakefileGenerator extends ProcessRunner {
private static final String MAKEFILE = "Makefile"; //$NON-NLS-1$
public void process(TemplateCore template, ProcessArgument[] args,
String processId, IProgressMonitor monitor)
throws ProcessFailureException {
String projectName = args[0].getSimpleValue();
IProject projectHandle = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
URL path;
try {
path = TemplateEngineHelper.getTemplateResourceURLRelativeToTemplate(template, MAKEFILE);
if (path == null) {
throw new ProcessFailureException(getProcessMessage(processId, IStatus.ERROR, Messages.getString("AddFile.0") + MAKEFILE)); //$NON-NLS-1$
}
} catch (IOException e1) {
throw new ProcessFailureException(getProcessMessage(processId, IStatus.ERROR, Messages.getString("AddFile.1") + MAKEFILE)); //$NON-NLS-1$
}
InputStream contents = null;
String fileContents;
try {
fileContents = ProcessHelper.readFromFile(path);
} catch (IOException e) {
throw new ProcessFailureException(getProcessMessage(processId, IStatus.ERROR, Messages.getString("AddFile.2") + MAKEFILE)); //$NON-NLS-1$
}
Map macros = new HashMap(template.getValueStore());
macros.put("exe", Platform.getOS().equals(Platform.OS_WIN32) ? ".exe" : ""); //$NON-NLS-1$ $NON-NLS-2$ $NON-NLS-3$
fileContents = replaceMacros(fileContents, macros);
contents = new ByteArrayInputStream(fileContents.getBytes());
try {
IFile iFile = projectHandle.getFile(MAKEFILE);
if (!iFile.getParent().exists()) {
ProcessHelper.mkdirs(projectHandle, projectHandle.getFolder(iFile.getParent().getProjectRelativePath()));
}
iFile.create(contents, true, null);
iFile.refreshLocal(IResource.DEPTH_ONE, null);
projectHandle.refreshLocal(IResource.DEPTH_INFINITE, null);
} catch (CoreException e) {
throw new ProcessFailureException(getProcessMessage(processId, IStatus.ERROR, Messages.getString("AddFile.4") + e.getMessage()), e); //$NON-NLS-1$
}
}
private static final String START = "{{";
private static final String END = "}}";
private String replaceMacros(String fileContents, Map valueStore) {
StringBuffer buffer = new StringBuffer(fileContents);
for (Iterator i = valueStore.keySet().iterator(); i.hasNext();) {
String key = (String)i.next();
String pattern = START + key +END;
if (fileContents.indexOf(pattern)==-1)
// Not used
continue;
// replace
int len = pattern.length();
int pos = 0;
while ((pos = buffer.indexOf(pattern, pos)) >= 0) {
buffer.replace(pos, pos + len, (String)valueStore.get(key));
pos += len;
}
}
return buffer.toString();
}
}
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