Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.reflection / src / org / simantics / scl / reflection / internal / registry / BindingRegistry.java

diff --git a/bundles/org.simantics.scl.reflection/src/org/simantics/scl/reflection/internal/registry/BindingRegistry.java b/bundles/org.simantics.scl.reflection/src/org/simantics/scl/reflection/internal/registry/BindingRegistry.java
new file mode 100755 (executable)
index 0000000..97f888c
--- /dev/null
+++ b/bundles/org.simantics.scl.reflection/src/org/simantics/scl/reflection/internal/registry/BindingRegistry.java
@@ -0,0 +1,129 @@
+package org.simantics.scl.reflection.internal.registry;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+import gnu.trove.procedure.TObjectObjectProcedure;\r
+\r
+import org.eclipse.core.runtime.IConfigurationElement;\r
+import org.eclipse.core.runtime.IContributor;\r
+import org.eclipse.core.runtime.Platform;\r
+import org.eclipse.core.runtime.spi.RegistryContributor;\r
+import org.osgi.framework.Bundle;\r
+import org.simantics.scl.compiler.types.TCon;\r
+import org.simantics.scl.reflection.OntologyVersions;\r
+import org.simantics.scl.reflection.TypeNotFoundException;\r
+import org.simantics.scl.reflection.TypedValue;\r
+import org.simantics.scl.reflection.ValueNotFoundException;\r
+import org.simantics.scl.reflection.internal.Activator;\r
+\r
+public class BindingRegistry {\r
+\r
+    private static boolean DEBUG_INIT = false;\r
+\r
+    private static THashMap<String, Namespace> namespaces =\r
+            new THashMap<String, Namespace>();\r
+        \r
+    public static TypedValue getValue(String path, String name) throws ValueNotFoundException {\r
+        Namespace namespace = namespaces.get(path);\r
+        if(namespace == null)\r
+            throw new ValueNotFoundException("Didn't find namespace " + path + ".");\r
+        return namespace.getValue(name);\r
+    }\r
+    \r
+    public static Class<?> getClass(TCon type) throws TypeNotFoundException {\r
+        Namespace namespace = namespaces.get(type.module);\r
+        if(namespace == null)\r
+            throw new TypeNotFoundException("Didn't find namespace " + type.module + ".");\r
+        return namespace.getClass(type.name);\r
+    }   \r
+\r
+    /*\r
+     * Called directly only for testing \r
+     */\r
+    public static void initialize() {\r
+        namespaces.clear();\r
+        IConfigurationElement[] elements = \r
+                Platform.getExtensionRegistry().getConfigurationElementsFor("org.simantics.scl.reflection.binding");        \r
+        for(IConfigurationElement element : elements) {\r
+            Bundle bundle = getBundle(element);\r
+            findBindings(bundle, null, element, null);\r
+        }\r
+    }\r
+    \r
+    static {\r
+        initialize();\r
+        if (DEBUG_INIT) {\r
+            namespaces.forEachEntry(new TObjectObjectProcedure<String, Namespace>() {\r
+\r
+                @Override\r
+                public boolean execute(String name, Namespace namespace) {\r
+                    System.out.println(name);\r
+                    namespace.print();\r
+                    return true;\r
+                }\r
+            });\r
+        }\r
+    }\r
+    \r
+    private static Bundle getBundle(IConfigurationElement element) {\r
+        IContributor contributor = element.getContributor();\r
+        if(contributor instanceof RegistryContributor) {\r
+            long id = Long.parseLong(((RegistryContributor) contributor).getActualId());\r
+            return Activator.getInstance().getContext().getBundle(id);\r
+        }\r
+        else\r
+            return Platform.getBundle(contributor.getName());\r
+    }\r
+\r
+    private static Namespace getOrCreateNamespace(String path, ImportSeq importSeq) {\r
+        Namespace namespace = namespaces.get(path);\r
+        if(namespace == null) {\r
+            namespace = new Namespace(path, importSeq);\r
+            namespaces.put(path, namespace);\r
+        }\r
+        return namespace;\r
+    }\r
+    \r
+    private static void findBindings(\r
+            Bundle bundle,\r
+            String path,\r
+            IConfigurationElement element,\r
+            ImportSeq importSeq) {\r
+        String elementName = element.getName();        \r
+        if(elementName.equals("namespace")) {\r
+            if(path == null)\r
+                path = OntologyVersions.getInstance().currentVersion(element.getAttribute("path"));\r
+            else\r
+                path = OntologyVersions.getInstance().currentVersion(path + "/" + element.getAttribute("path"));\r
+            if(path.endsWith("/"))\r
+                path = path.substring(0, path.length()-1);\r
+            for(IConfigurationElement childElement : element.getChildren())\r
+                if(childElement.getName().equals("import")) {\r
+                    String path_ = OntologyVersions.getInstance().currentVersion(childElement.getAttribute("path"));\r
+                    String localName = childElement.getAttribute("localName");\r
+                    importSeq = new ImportSeq(importSeq, localName, path_);\r
+                }\r
+            for(IConfigurationElement childElement : element.getChildren())\r
+                findBindings(bundle, path, childElement, importSeq);\r
+        }\r
+        else if(elementName.equals("class")) {\r
+            String className = element.getAttribute("className");\r
+            getOrCreateNamespace(path, importSeq)\r
+                .addClass(new Entry(bundle, className));\r
+        }\r
+        else if(elementName.equals("externalClass")) {\r
+            String className = element.getAttribute("className");\r
+            String alternativeName = element.getAttribute("alternativeName");\r
+            getOrCreateNamespace(path, importSeq).addExternalClass(\r
+                    new ExternalClass(bundle, className, alternativeName)\r
+                    );\r
+        }\r
+        else if(elementName.equals("externalMethod")) {\r
+            String className = element.getAttribute("className");\r
+            String methodName = element.getAttribute("methodName");\r
+            String alternativeName = element.getAttribute("alternativeName");\r
+            getOrCreateNamespace(path, importSeq).addExternalMethod(\r
+                    new ExternalMethod(bundle, className, methodName, alternativeName)\r
+                    );\r
+        }\r
+    } \r
+}\r