/**
* Copyright (C) 2009 STMicroelectronics
*
* This file is part of "Mind Compiler" is free software: you can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Matthieu Leclercq
* Contributors:
*/
package org.ow2.mind.idl;
import static org.ow2.mind.SourceFileWriter.writeToFile;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.antlr.stringtemplate.StringTemplate;
import org.antlr.stringtemplate.StringTemplateGroup;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.CompilerError;
import org.objectweb.fractal.adl.util.FractalADLLogManager;
import org.ow2.mind.InputResourceLocator;
import org.ow2.mind.InputResourcesHelper;
import org.ow2.mind.PathHelper;
import org.ow2.mind.idl.ast.IDL;
import org.ow2.mind.io.IOErrors;
import org.ow2.mind.io.OutputFileLocator;
import org.ow2.mind.st.AbstractStringTemplateProcessor;
import org.ow2.mind.st.BackendFormatRenderer;
import com.google.inject.Inject;
import com.google.inject.name.Named;
/**
* {@link IDLVisitor} component that generated {@value #IDT_FILE_EXT} and
* {@value #ITF_FILE_EXT} files using the {@value #DEFAULT_TEMPLATE} template.
*/
public class IDLHeaderCompiler extends AbstractStringTemplateProcessor
implements
IDLVisitor {
/** The name to be used to inject the templateGroupName used by this class. */
public static final String TEMPLATE_NAME = "IDL2C";
/** The default templateGroupName used by this class. */
public static final String DEFAULT_TEMPLATE = "st.interfaces.IDL2C";
protected final static String IDT_FILE_EXT = "idt.h";
protected final static String ITF_FILE_EXT = "itf.h";
protected static Logger depLogger = FractalADLLogManager
.getLogger("dep");
@Inject
protected OutputFileLocator outputFileLocatorItf;
@Inject
protected InputResourceLocator inputResourceLocatorItf;
@Inject
protected IDLHeaderCompiler(
@Named(TEMPLATE_NAME) final String templateGroupName) {
super(templateGroupName);
}
// ---------------------------------------------------------------------------
// Implementation of the Visitor interface
// ---------------------------------------------------------------------------
public void visit(final IDL idl, final Map<Object, Object> context)
throws ADLException {
final String headerFileName;
if (idl.getName().startsWith("/")) {
headerFileName = PathHelper.replaceExtension(idl.getName(), IDT_FILE_EXT);
} else {
headerFileName = PathHelper.fullyQualifiedNameToPath(idl.getName(),
ITF_FILE_EXT);
}
final File headerFile = outputFileLocatorItf.getCSourceOutputFile(
headerFileName, context);
if (regenerate(headerFile, idl, context)) {
final StringTemplate st = getInstanceOf("idlFile");
st.setAttribute("idl", idl);
try {
writeToFile(headerFile, st.toString());
} catch (final IOException e) {
throw new CompilerError(IOErrors.WRITE_ERROR, e,
headerFile.getAbsolutePath());
}
}
}
private boolean regenerate(final File outputFile, final IDL idl,
final Map<Object, Object> context) {
if (!outputFile.exists()) {
if (depLogger.isLoggable(Level.FINE)) {
depLogger.fine("Generated source file '" + outputFile
+ "' does not exist, generate.");
}
return true;
}
if (!inputResourceLocatorItf.isUpToDate(outputFile,
InputResourcesHelper.getInputResources(idl), context)) {
if (depLogger.isLoggable(Level.FINE)) {
depLogger.fine("Generated source file '" + outputFile
+ "' is out-of-date, regenerate.");
}
return true;
} else {
if (depLogger.isLoggable(Level.FINE)) {
depLogger.fine("Generated source file '" + outputFile
+ "' is up-to-date, do not regenerate.");
}
return false;
}
}
@Override
protected void registerCustomRenderer(final StringTemplateGroup templateGroup) {
templateGroup.registerRenderer(String.class, new BackendFormatRenderer() {
@Override
public String toString(final Object o, final String formatName) {
if ("toIncludePath".equals(formatName)) {
final String s = o.toString();
String path = s.substring(1, s.length() - 1);
if (path.endsWith(".idt")) {
path += ".h";
}
if (path.startsWith("/")) {
path = path.substring(1);
}
return s.substring(0, 1) + path + s.substring(s.length() - 1);
} else {
return super.toString(o, formatName);
}
}
});
}
}