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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/* $Rev$ $Date$ */
#include "tuscany/sca/util/Logging.h"
#include "tuscany/sca/ruby/model/RubyImplementation.h"
#include "tuscany/sca/ruby/model/RubyServiceBinding.h"
#include "tuscany/sca/ruby/model/RubyReferenceBinding.h"
#include "tuscany/sca/model/Component.h"
#include "tuscany/sca/model/Composite.h"
#include "tuscany/sca/model/Service.h"
#include "tuscany/sca/model/ServiceType.h"
#include "tuscany/sca/model/Reference.h"
#include "tuscany/sca/model/ReferenceType.h"
#include "tuscany/sca/util/Utils.h"
using namespace std;
using namespace tuscany::sca::model;
namespace tuscany
{
namespace sca
{
namespace ruby
{
bool RubyImplementation::initialized = false;
VALUE RubyImplementation::xmlDocumentClass = 0;
// Constructor
RubyImplementation::RubyImplementation(Composite* composite, const string& module, const string& className, const string& script)
: ComponentType(composite, script.substr(0, script.find_last_of('.'))),
module(module), className(className), script(script)
{
loadClass();
}
RubyImplementation::~RubyImplementation()
{
}
void RubyImplementation::loadClass()
{
// Initialize the Ruby runtime
if (!initialized)
{
ruby_init();
ruby_init_loadpath();
// Load the Rexml module. Rexml is used to handle XML documents.
//rb_require("rexml/document");
// Use rb_eval_string for now as it provides better error reporting
rb_eval_string("require(\"rexml/document\")");
xmlDocumentClass = rb_path2class("REXML::Document");
initialized = true;
}
// Load the specified Ruby script
if (script != "")
{
// Convert any windows slashes \ in the root path to unix slashes /
string rootpath = getComposite()->getRoot();
int pos = 0;
while((pos = rootpath.find('\\', pos)) != string::npos)
{
rootpath = rootpath.replace(pos, 1, "/");
}
// Use rb_eval_string for now as it provides better error reporting
string path = "require(\"" + rootpath + "/" + script +"\")";
//rb_require((char *)path.c_str());
rb_eval_string(path.c_str());
}
// Load the Ruby implementation class
implementationClass = rb_path2class(className.c_str());
// Create a default service
ServiceType* defaultServiceType = new ServiceType(this, "", NULL, NULL);
addServiceType(defaultServiceType);
// Introspect the Ruby class and create references and properties for
// all public attributes
VALUE methods = rb_class_public_instance_methods(0, NULL, implementationClass);
int n = RARRAY(methods)->len;
for (int i = 0; i<n; i++)
{
VALUE method = rb_ary_entry(methods, i);
string methodName = string(rb_string_value_cstr(&method));
// Create a reference type for each setter method
int s = methodName.size();
if (s > 1 && methodName[s-1] == '=' && methodName[0] != '=')
{
string variableName = methodName.substr(0, s-1);
ReferenceType* referenceType = new ReferenceType(
this, variableName, NULL, NULL, ReferenceType::ONE_ONE);
addReferenceType(referenceType);
// Create a property type as well
addPropertyType(variableName, "http://www.w3.org/2001/XMLSchema#string", false, NULL);
}
}
}
void RubyImplementation::initializeComponent(Component* component)
{
ComponentType::initializeComponent(component);
// Create Ruby bindings for all the services
const Component::SERVICE_MAP& services = component->getServices();
Component::SERVICE_MAP::const_iterator iter = services.begin();
for (int i=0; i< services.size(); i++)
{
Service *service = iter->second;
RubyServiceBinding* binding = new RubyServiceBinding(service);
service->setBinding(binding);
iter++;
}
// Create Ruby bindings for all the references
const Component::REFERENCE_MAP& references = component->getReferences();
Component::REFERENCE_MAP::const_iterator refiter = references.begin();
for (int ri=0; ri< references.size(); ri++)
{
Reference *reference = refiter->second;
RubyReferenceBinding* binding = new RubyReferenceBinding(reference);
reference->setBinding(binding);
refiter++;
}
}
} // End namespace ruby
} // End namespace sca
} // End namespace tuscany
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