/**
* 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.parser;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Map;
import org.objectweb.fractal.adl.ADLErrors;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.CompilerError;
import org.objectweb.fractal.adl.error.BasicErrorLocator;
import org.objectweb.fractal.adl.error.ErrorLocator;
import org.objectweb.fractal.adl.error.GenericErrors;
import org.objectweb.fractal.adl.xml.XMLNodeFactory;
import org.ow2.mind.InputResourcesHelper;
import org.ow2.mind.error.ErrorManager;
import org.ow2.mind.idl.IDLErrors;
import org.ow2.mind.idl.IDLLoader;
import org.ow2.mind.idl.IDLLocator;
import org.ow2.mind.idl.ast.IDL;
import org.ow2.mind.idl.ast.InterfaceDefinition;
import org.ow2.mind.idl.ast.SharedTypeDefinition;
import org.ow2.mind.idl.jtb.ParseException;
import org.ow2.mind.idl.jtb.Parser;
import org.ow2.mind.idl.jtb.TokenMgrError;
import org.ow2.mind.idl.jtb.syntaxtree.IDTFile;
import org.ow2.mind.idl.jtb.syntaxtree.ITFFile;
import com.google.inject.Inject;
import com.google.inject.Provider;
public class IDLFileLoader implements IDLLoader {
@Inject
protected ErrorManager errorManagerItf;
@Inject
protected XMLNodeFactory nodeFactoryItf;
@Inject
protected IDLLocator idlLocatorItf;
@Inject
protected Provider<JTBProcessor> processorProvider;
// ---------------------------------------------------------------------------
// Implementation of the Loader interface
// ---------------------------------------------------------------------------
public IDL load(final String name, final Map<Object, Object> context)
throws ADLException {
if (name.startsWith("/"))
return loadSharedTypeDefinition(name, context);
else
return loadInterfaceDefinition(name, context);
}
// ---------------------------------------------------------------------------
// Utility methods
// ---------------------------------------------------------------------------
protected InterfaceDefinition loadInterfaceDefinition(final String name,
final Map<Object, Object> context) throws ADLException {
final InputStream is;
final String path;
final Object registeredIDL = IDLParserContextHelper.getRegisteredIDL(name,
context);
if (registeredIDL != null) {
if (registeredIDL instanceof InterfaceDefinition) {
return (InterfaceDefinition) registeredIDL;
} else if (registeredIDL instanceof String) {
is = new ByteArrayInputStream(((String) registeredIDL).getBytes());
path = "<generated>";
} else {
throw new CompilerError(GenericErrors.INTERNAL_ERROR,
"Unexpected type for registered ADL");
}
} else {
final URL idlFile = locateItf(name, context);
path = idlFile.getPath();
try {
is = idlFile.openStream();
} catch (final IOException e) {
errorManagerItf.logFatal(IDLErrors.IO_ERROR, e, idlFile.getPath());
// never executed (logFatal throw an ADLException).
return null;
}
}
InterfaceDefinition itf;
try {
final Parser parser = new Parser(is);
final JTBProcessor processor = processorProvider.get();
processor.setFilename(path);
final ITFFile content = parser.ITFFile();
itf = processor.toInterfaceDefinition(content);
} catch (final ParseException e) {
final ErrorLocator locator = new BasicErrorLocator(path,
e.currentToken.beginLine, e.currentToken.beginColumn);
errorManagerItf.logFatal(IDLErrors.PARSE_ERROR, locator, e.getMessage());
// never executed (logFatal throw an ADLException).
return null;
} catch (final TokenMgrError e) {
// TokenMgrError do not have location info.
final ErrorLocator locator = new BasicErrorLocator(path, -1, -1);
throw new ADLException(ADLErrors.PARSE_ERROR, locator, e.getMessage());
}
if (!name.equals(itf.getName())) {
errorManagerItf.logError(IDLErrors.UNEXPECTED_ITF_NAME, itf,
itf.getName(), name);
}
InputResourcesHelper.addInputResource(itf,
idlLocatorItf.toInterfaceInputResource(name));
return itf;
}
protected URL locateItf(final String name, final Map<Object, Object> context)
throws ADLException {
final URL srcFile = idlLocatorItf.findSourceItf(name, context);
if (srcFile == null) {
throw new ADLException(IDLErrors.IDL_NOT_FOUND, name);
}
return srcFile;
}
protected SharedTypeDefinition loadSharedTypeDefinition(final String name,
final Map<Object, Object> context) throws ADLException {
final InputStream is;
final String path;
final Object registeredIDL = IDLParserContextHelper.getRegisteredIDL(name,
context);
if (registeredIDL != null) {
if (registeredIDL instanceof SharedTypeDefinition) {
return (SharedTypeDefinition) registeredIDL;
} else if (registeredIDL instanceof String) {
is = new ByteArrayInputStream(((String) registeredIDL).getBytes());
path = "<generated>";
} else {
throw new CompilerError(GenericErrors.INTERNAL_ERROR,
"Unexpected type for registered ADL");
}
} else {
final URL idtFile = locateIdt(name, context);
path = idtFile.getPath();
try {
is = idtFile.openStream();
} catch (final IOException e) {
errorManagerItf.logFatal(IDLErrors.IO_ERROR, e, path);
// never executed (logFatal throw an ADLException).
return null;
}
}
SharedTypeDefinition idt;
try {
final Parser parser = new Parser(is);
final JTBProcessor processor = processorProvider.get();
processor.setFilename(path);
final IDTFile content = parser.IDTFile();
idt = processor.toSharedTypeDefinition(content);
} catch (final ParseException e) {
final ErrorLocator locator = new BasicErrorLocator(path,
e.currentToken.beginLine, e.currentToken.beginColumn);
errorManagerItf.logFatal(IDLErrors.PARSE_ERROR, locator, e.getMessage());
// never executed (logFatal throw an ADLException).
return null;
}
idt.setName(name);
InputResourcesHelper.addInputResource(idt,
idlLocatorItf.toSharedTypeInputResource(name));
return idt;
}
protected URL locateIdt(final String name, final Map<Object, Object> context)
throws ADLException {
final URL srcFile = idlLocatorItf.findSourceHeader(name, context);
if (srcFile == null) {
throw new ADLException(IDLErrors.IDL_NOT_FOUND, name);
}
return srcFile;
}
}