Added initial structure for include diagram generation

src/common/model/diagram_element.cc

@@ -0,0 +1,99 @@
+/**
+ * src/common/model/diagram_element.cc
+ *
+ * Copyright (c) 2021-2022 Bartek Kryza <bkryza@gmail.com>
+ *
+ * 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 "diagram_element.h"
+
+#include "util/util.h"
+
+#include <ostream>
+
+namespace clanguml::common::model {
+
+std::atomic_uint64_t diagram_element::m_nextId = 1;
+
+diagram_element::diagram_element()
+    : m_id{m_nextId++}
+{
+}
+
+std::string diagram_element::alias() const
+{
+    return fmt::format("C_{:010}", m_id);
+}
+
+void diagram_element::add_relationship(relationship &&cr)
+{
+    if (cr.destination().empty()) {
+        LOG_DBG("Skipping relationship '{}' - {} - '{}' due empty "
+                "destination",
+            cr.destination(), to_string(cr.type()), full_name(true));
+        return;
+    }
+
+    if ((cr.type() == relationship_t::kInstantiation) &&
+        (cr.destination() == full_name(true))) {
+        LOG_DBG("Skipping self instantiation relationship for {}",
+            cr.destination());
+        return;
+    }
+
+    LOG_DBG("Adding relationship: '{}' - {} - '{}'", cr.destination(),
+        to_string(cr.type()), full_name(true));
+
+    if (!util::contains(relationships_, cr))
+        relationships_.emplace_back(std::move(cr));
+}
+
+std::vector<relationship> &diagram_element::relationships()
+{
+    return relationships_;
+}
+
+const std::vector<relationship> &diagram_element::relationships() const
+{
+    return relationships_;
+}
+
+void diagram_element::append(const decorated_element &e)
+{
+    decorated_element::append(e);
+}
+
+inja::json diagram_element::context() const
+{
+    inja::json ctx;
+    ctx["name"] = name();
+    ctx["alias"] = alias();
+    ctx["full_name"] = full_name(false);
+
+    return ctx;
+}
+
+bool operator==(const diagram_element &l, const diagram_element &r)
+{
+    return l.full_name(false) == r.full_name(false);
+}
+
+std::ostream &operator<<(std::ostream &out, const diagram_element &rhs)
+{
+    out << "(" << rhs.name() << ", full_name=[" << rhs.full_name(false) << "])";
+
+    return out;
+}
+
+}