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Diffstat (limited to 'sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/ruby/src/tuscany/sca/ruby/model/RubyImplementation.cpp')
| -rw-r--r-- | sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/ruby/src/tuscany/sca/ruby/model/RubyImplementation.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/ruby/src/tuscany/sca/ruby/model/RubyImplementation.cpp b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/ruby/src/tuscany/sca/ruby/model/RubyImplementation.cpp new file mode 100644 index 0000000000..fa30642318 --- /dev/null +++ b/sca-cpp/tags/native-sca-1.0.incubating-M3/runtime/extensions/ruby/src/tuscany/sca/ruby/model/RubyImplementation.cpp @@ -0,0 +1,171 @@ +/* + * 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() + { + } + + VALUE RubyImplementation::getXMLDocumentClass() + { + logentry(); + + // 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; + } + + return xmlDocumentClass; + } + + void RubyImplementation::loadClass() + { + logentry(); + + // Ensure xmlDocumentClass is initialized + getXMLDocumentClass(); + + ID to_s = rb_intern("to_s"); + VALUE xstr = rb_funcall(xmlDocumentClass, to_s, 0); + loginfo("Got Ruby Rexml class: %s", rb_string_value_cstr(&xstr)); + + // 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 |