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initial spike of the code generation of the OpenWire marshalling code for C++ 

git-svn-id: https://svn.apache.org/repos/asf/incubator/activemq/trunk@381410 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
James Strachan 2006-02-27 19:19:19 +00:00
parent 2a088309a6
commit b7d5fa07d1
5 changed files with 655 additions and 1 deletions
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241
activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCppMarshallingClassesScript.java Normal file
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@ -0,0 +1,241 @@
/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.openwire.tool;
import org.codehaus.jam.JAnnotation;
import org.codehaus.jam.JAnnotationValue;
import org.codehaus.jam.JClass;
import org.codehaus.jam.JProperty;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
/**
*
* @version $Revision$
*/
public abstract class OpenWireCppMarshallingClassesScript extends OpenWireCppMarshallingHeadersScript {
protected String getFilePostFix() {
return ".cpp";
}
protected void generateUnmarshalBodyForProperty(PrintWriter out, JProperty property, JAnnotationValue size) {
out.print(" ");
String setter = property.getSetter().getSimpleName();
String type = property.getType().getSimpleName();
if (type.equals("boolean")) {
out.println("info." + setter + "( bs.readBoolean() );");
}
else if (type.equals("byte")) {
out.println("info." + setter + "( DataStreamMarshaller.readByte(dataIn) );");
}
else if (type.equals("char")) {
out.println("info." + setter + "( DataStreamMarshaller.readChar(dataIn) );");
}
else if (type.equals("short")) {
out.println("info." + setter + "( DataStreamMarshaller.readShort(dataIn) );");
}
else if (type.equals("int")) {
out.println("info." + setter + "( DataStreamMarshaller.readInt(dataIn) );");
}
else if (type.equals("long")) {
out.println("info." + setter + "( UnmarshalLong(wireFormat, dataIn, bs) );");
}
else if (type.equals("String")) {
out.println("info." + setter + "( readString(dataIn, bs) );");
}
else if (type.equals("byte[]") || type.equals("ByteSequence")) {
if (size != null) {
out.println("info." + setter + "( readBytes(dataIn, " + size.asInt() + ") );");
}
else {
out.println("info." + setter + "( readBytes(dataIn, bs.readBoolean()) );");
}
}
else if (isThrowable(property.getType())) {
out.println("info." + setter + "( unmarshalBrokerError(wireFormat, dataIn, bs) );");
}
else if (isCachedProperty(property)) {
out.println("info." + setter + "( (" + type + ") unmarshalCachedObject(wireFormat, dataIn, bs) );");
}
else {
out.println("info." + setter + "( (" + type + ") unmarshalNestedObject(wireFormat, dataIn, bs) );");
}
}
protected void generateUnmarshalBodyForArrayProperty(PrintWriter out, JProperty property, JAnnotationValue size) {
JClass propertyType = property.getType();
String arrayType = propertyType.getArrayComponentType().getSimpleName();
String setter = property.getGetter().getSimpleName();
out.println();
if (size != null) {
out.println(" {");
out.println(" " + arrayType + "[] value = new " + arrayType + "[" + size.asInt() + "];");
out.println(" " + "for( int i=0; i < " + size.asInt() + "; i++ ) {");
out.println(" value[i] = (" + arrayType + ") unmarshalNestedObject(wireFormat,dataIn, bs);");
out.println(" }");
out.println(" info." + setter + "( value );");
out.println(" }");
}
else {
out.println(" if (bs.readBoolean()) {");
out.println(" short size = DataStreamMarshaller.readShort(dataIn);");
out.println(" " + arrayType + "[] value = new " + arrayType + "[size];");
out.println(" for( int i=0; i < size; i++ ) {");
out.println(" value[i] = (" + arrayType + ") unmarshalNestedObject(wireFormat,dataIn, bs);");
out.println(" }");
out.println(" info." + setter + "( value );");
out.println(" }");
out.println(" else {");
out.println(" info." + setter + "( null );");
out.println(" }");
}
}
protected int generateMarshal1Body(PrintWriter out) {
List properties = getProperties();
int baseSize = 0;
for (Iterator iter = properties.iterator(); iter.hasNext();) {
JProperty property = (JProperty) iter.next();
JAnnotation annotation = property.getAnnotation("openwire:property");
JAnnotationValue size = annotation.getValue("size");
JClass propertyType = property.getType();
String type = propertyType.getSimpleName();
String getter = "info." + property.getGetter().getSimpleName() + "()";
out.print(indent);
if (type.equals("boolean")) {
out.println("bs.writeBoolean(" + getter + ");");
}
else if (type.equals("byte")) {
baseSize += 1;
}
else if (type.equals("char")) {
baseSize += 1;
}
else if (type.equals("short")) {
baseSize += 1;
}
else if (type.equals("int")) {
baseSize += 1;
}
else if (type.equals("long")) {
out.println("rc += marshal1Long(wireFormat, " + getter + ", bs);");
}
else if (type.equals("String")) {
out.println("rc += writeString(" + getter + ", bs);");
}
else if (type.equals("byte[]") || type.equals("ByteSequence")) {
if (size == null) {
out.println("bs.writeBoolean(" + getter + "!=null);");
out.println(" rc += " + getter + "==null ? 0 : " + getter + ".Length+4;");
}
else {
baseSize += size.asInt();
}
}
else if (propertyType.isArrayType()) {
if (size != null) {
out.println("rc += marshalObjectArrayConstSize(wireFormat, " + getter + ", bs, " + size.asInt() + ");");
}
else {
out.println("rc += marshalObjectArray(wireFormat, " + getter + ", bs);");
}
}
else if (isThrowable(propertyType)) {
out.println("rc += marshalBrokerError(wireFormat, " + getter + ", bs);");
}
else {
if (isCachedProperty(property)) {
out.println("rc += marshal1CachedObject(wireFormat, " + getter + ", bs);");
}
else {
out.println("rc += marshal1NestedObject(wireFormat, " + getter + ", bs);");
}
}
}
return baseSize;
}
protected void generateMarshal2Body(PrintWriter out) {
List properties = getProperties();
for (Iterator iter = properties.iterator(); iter.hasNext();) {
JProperty property = (JProperty) iter.next();
JAnnotation annotation = property.getAnnotation("openwire:property");
JAnnotationValue size = annotation.getValue("size");
JClass propertyType = property.getType();
String type = propertyType.getSimpleName();
String getter = "info." + property.getGetter().getSimpleName() + "()";
out.print(indent);
if (type.equals("boolean")) {
out.println("bs.readBoolean();");
}
else if (type.equals("byte")) {
out.println("DataStreamMarshaller.writeByte(" + getter + ", dataOut);");
}
else if (type.equals("char")) {
out.println("DataStreamMarshaller.writeChar(" + getter + ", dataOut);");
}
else if (type.equals("short")) {
out.println("DataStreamMarshaller.writeShort(" + getter + ", dataOut);");
}
else if (type.equals("int")) {
out.println("DataStreamMarshaller.writeInt(" + getter + ", dataOut);");
}
else if (type.equals("long")) {
out.println("marshal2Long(wireFormat, " + getter + ", dataOut, bs);");
}
else if (type.equals("String")) {
out.println("writeString(" + getter + ", dataOut, bs);");
}
else if (type.equals("byte[]") || type.equals("ByteSequence")) {
if (size != null) {
out.println("dataOut.write(" + getter + ", 0, " + size.asInt() + ");");
}
else {
out.println("if(bs.readBoolean()) {");
out.println(" DataStreamMarshaller.writeInt(" + getter + ".Length, dataOut);");
out.println(" dataOut.write(" + getter + ");");
out.println(" }");
}
}
else if (propertyType.isArrayType()) {
if (size != null) {
out.println("marshalObjectArrayConstSize(wireFormat, " + getter + ", dataOut, bs, " + size.asInt() + ");");
}
else {
out.println("marshalObjectArray(wireFormat, " + getter + ", dataOut, bs);");
}
}
else if (isThrowable(propertyType)) {
out.println("marshalBrokerError(wireFormat, " + getter + ", dataOut, bs);");
}
else {
if (isCachedProperty(property)) {
out.println("marshal2CachedObject(wireFormat, " + getter + ", dataOut, bs);");
}
else {
out.println("marshal2NestedObject(wireFormat, " + getter + ", dataOut, bs);");
}
}
}
}
}

38
activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireCppMarshallingHeadersScript.java Normal file
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/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.openwire.tool;
import java.io.File;
/**
*
* @version $Revision$
*/
public abstract class OpenWireCppMarshallingHeadersScript extends OpenWireJavaMarshallingScript {
public Object run() {
filePostFix = getFilePostFix();
if (destDir == null) {
destDir = new File("../openwire-cpp/src/marshal");
}
return super.run();
}
protected String getFilePostFix() {
return ".hpp";
}
}

2
activemq-core/src/gram/java/org/apache/activemq/openwire/tool/OpenWireJavaMarshallingScript.java
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@ -32,7 +32,7 @@ public abstract class OpenWireJavaMarshallingScript extends OpenWireClassesScrip
protected List concreteClasses = new ArrayList();
protected File factoryFile;
protected String factoryFileName = "MarshallerFactory";
protected String indent = " ";
protected String indent = " ";
public Object run() {
if (destDir == null) {

207
activemq-core/src/gram/script/GenerateCppMarshallingClasses.groovy Executable file
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/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.activemq.openwire.tool.OpenWireCppMarshallingClassesScript
/**
* Generates the C++ marshalling classes for the Open Wire Format
*
* @version $Revision$
*/
class GenerateCSharpMarshalling extends OpenWireCppMarshallingClassesScript {
void generateFile(PrintWriter out) {
out << """/*
* Copyright 2006 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "marshal/${className}.hpp"
using namespace apache::activemq::client::marshal;
/*
* Marshalling code for Open Wire Format for ${jclass.simpleName}
*
* NOTE!: This file is autogenerated - do not modify!
* if you need to make a change, please see the Groovy scripts in the
* activemq-core module
*/
${className}::${className}()
{
// no-op
}
${className}::~${className}()
{
// no-op
}
"""
if( !abstractClass ) out << """
DataStructure* ${className}::createObject()
{
return new ${jclass.simpleName}();
}
byte ${className}::getDataStructureType()
{
return ${jclass.simpleName}.ID_${jclass.simpleName};
}
"""
out << """
/*
* Un-marshal an object instance from the data input stream
*/
void ${className}::unmarshal(OpenWireFormat& wireFormat, Object o, BinaryReader& dataIn, BooleanStream& bs)
{
base.unmarshal(wireFormat, o, dataIn, bs);
"""
if( !properties.isEmpty() || marshallerAware ) out << """
${jclass.simpleName}& info = (${jclass.simpleName}&) o;
"""
if( marshallerAware ) out << """
info.beforeUnmarshall(wireFormat);
"""
generateUnmarshalBody(out)
if( marshallerAware ) out << """
info.afterUnmarshall(wireFormat);
"""
out << """
}
/*
* Write the booleans that this object uses to a BooleanStream
*/
int ${className}::marshal1(OpenWireFormat& wireFormat, Object& o, BooleanStream& bs) {
${jclass.simpleName}& info = (${jclass.simpleName}&) o;
"""
if( marshallerAware ) out << """
info.beforeMarshall(wireFormat);
"""
out << """
int rc = base.marshal1(wireFormat, info, bs);
"""
def baseSize = generateMarshal1Body(out)
out << """
return rc + ${baseSize};
}
/*
* Write a object instance to data output stream
*/
void ${className}::marshal2(OpenWireFormat& wireFormat, Object& o, BinaryWriter& dataOut, BooleanStream& bs) {
base.marshal2(wireFormat, o, dataOut, bs);
"""
if( !properties.isEmpty() || marshallerAware ) out << """
${jclass.simpleName}& info = (${jclass.simpleName}&) o;
"""
generateMarshal2Body(out)
if( marshallerAware ) out << """
info.afterMarshall(wireFormat);
"""
out << """
}
"""
}
void generateFactory(PrintWriter out) {
out << """/*
* Copyright 2006 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Marshalling code for Open Wire Format
//
//
// NOTE!: This file is autogenerated - do not modify!
// if you need to make a change, please see the Groovy scripts in the
// activemq-openwire module
//
#include "marshal/${className}.hpp"
"""
for (jclass in concreteClasses) {
out << """#include "marshal/${jclass.simpleName}Marshaller.hpp"
"""
}
out << """
using namespace apache::activemq::client::marshal;
void MarshallerFactory::configure(OpenWireFormat& format)
{
"""
for (jclass in concreteClasses) {
out << """
format.addMarshaller(new ${jclass.simpleName}Marshaller());"""
}
out << """
}
"""
}
}

168
activemq-core/src/gram/script/GenerateCppMarshallingHeaders.groovy Executable file
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/**
*
* Copyright 2005-2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.apache.activemq.openwire.tool.OpenWireCppMarshallingHeadersScript
/**
* Generates the C++ marshalling headers for the Open Wire Format
*
* @version $Revision$
*/
class GenerateCppMarshallingHeaders extends OpenWireCppMarshallingHeadersScript {
void generateFile(PrintWriter out) {
out << """/*
* Copyright 2006 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ${className}_hpp_
#define ${className}_hpp_
#include <string>
#include "command/DataStructure.hpp"
/* we could cut this down - for now include all possible headers */
#include "command/BrokerId.hpp"
#include "command/ConnectionId.hpp"
#include "command/ConsumerId.hpp"
#include "command/ProducerId.hpp"
#include "command/SessionId.hpp"
#include "io/BinaryReader.hpp"
#include "io/BinaryWriter.hpp"
#include "command/${baseClass}.hpp"
#include "util/ifr/p"
namespace apache
{
namespace activemq
{
namespace client
{
namespace marshal
{
using namespace ifr ;
using namespace apache::activemq::client::command;
using namespace apache::activemq::client::io;
/*
*
*/
class ${className} : public ${baseClass}
{
public:
${className}() ;
virtual ~${className}() ;
virtual DataStructure* createCommand() ;
virtual byte getDataStructureType() ;
virtual void unmarshal(OpenWireFormat& wireFormat, Object o, BinaryReader& dataIn, BooleanStream& bs) ;
virtual int marshal1(OpenWireFormat& wireFormat, Object& o, BooleanStream& bs) ;
virtual void marshal2(OpenWireFormat& wireFormat, Object& o, BinaryWriter& dataOut, BooleanStream& bs) ;
} ;
/* namespace */
}
}
}
}
#endif /*${className}_hpp_*/
"""
}
void generateFactory(PrintWriter out) {
out << """//*
* Copyright 2006 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Marshalling code for Open Wire Format
//
//
// NOTE!: This file is autogenerated - do not modify!
// if you need to make a change, please see the Groovy scripts in the
// activemq-openwire module
//
#ifndef MarshallerFactory_hpp_
#define MarshallerFactory_hpp_
namespace apache
{
namespace activemq
{
namespace client
{
namespace marshal
{
using namespace ifr ;
using namespace std ;
using namespace apache::activemq::client;
using namespace apache::activemq::client::command;
using namespace apache::activemq::client::io;
/*
*
*/
class MarshallerFactory
{
public:
MarshallerFactory() ;
virtual ~MarshallerFactory() ;
virtual void configure(OpenWireFormat& format) ;
} ;
/* namespace */
}
}
}
}
#endif /*MarshallerFactory_hpp_*/
"""
}
}