1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
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
|