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[Rubyeclipse-commit] SF.net SVN: rubyeclipse: [3181] trunk/org.rubypeople.rdt.launching
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From: <caw...@us...> - 2007-09-14 15:25:13
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Revision: 3181
http://rubyeclipse.svn.sourceforge.net/rubyeclipse/?rev=3181&view=rev
Author: cawilliams
Date: 2007-09-14 08:25:10 -0700 (Fri, 14 Sep 2007)
Log Message:
-----------
try to fix enablement of run as menu in Ruby Explorer!
Modified Paths:
--------------
trunk/org.rubypeople.rdt.launching/META-INF/MANIFEST.MF
trunk/org.rubypeople.rdt.launching/plugin.xml
Added Paths:
-----------
trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyLaunchableTester.java
Modified: trunk/org.rubypeople.rdt.launching/META-INF/MANIFEST.MF
===================================================================
--- trunk/org.rubypeople.rdt.launching/META-INF/MANIFEST.MF 2007-09-14 15:25:00 UTC (rev 3180)
+++ trunk/org.rubypeople.rdt.launching/META-INF/MANIFEST.MF 2007-09-14 15:25:10 UTC (rev 3181)
@@ -14,6 +14,7 @@
org.rubypeople.rdt.core,
org.rubypeople.rdt.debug.core,
org.eclipse.core.runtime,
- org.eclipse.core.variables
+ org.eclipse.core.variables,
+ org.eclipse.core.expressions
Eclipse-LazyStart: true
Bundle-RequiredExecutionEnvironment: J2SE-1.5
Modified: trunk/org.rubypeople.rdt.launching/plugin.xml
===================================================================
--- trunk/org.rubypeople.rdt.launching/plugin.xml 2007-09-14 15:25:00 UTC (rev 3180)
+++ trunk/org.rubypeople.rdt.launching/plugin.xml 2007-09-14 15:25:10 UTC (rev 3181)
@@ -26,12 +26,6 @@
name="%LaunchConfigurationTypeRubyApplication.name"
public="true"
sourceLocatorId="org.rubypeople.rdt.debug.ui.rubySourceLocator">
- <fileExtension
- default="true"
- extension="rb"/>
- <fileExtension
- default="true"
- extension="rbw"/>
</launchConfigurationType>
</extension>
<extension
@@ -73,5 +67,14 @@
class="org.rubypeople.rdt.internal.launching.VariableLoadpathEntry">
</runtimeLoadpathEntry>
</extension>
+ <extension
+ point="org.eclipse.core.expressions.propertyTesters">
+ <propertyTester
+ class="org.rubypeople.rdt.launching.PropertyTester2"
+ id="org.rubypeople.rdt.launching.RubyLaunchableTester"
+ namespace="org.rubypeople.rdt.launching"
+ properties="extendsClass, hasMethod, isContainer, hasProjectNature"
+ type="org.eclipse.core.runtime.IAdaptable"/>
+ </extension>
</plugin>
Added: trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyLaunchableTester.java
===================================================================
--- trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyLaunchableTester.java (rev 0)
+++ trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyLaunchableTester.java 2007-09-14 15:25:10 UTC (rev 3181)
@@ -0,0 +1,187 @@
+package org.rubypeople.rdt.internal.launching;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.rubypeople.rdt.core.IMember;
+import org.rubypeople.rdt.core.IMethod;
+import org.rubypeople.rdt.core.IRubyElement;
+import org.rubypeople.rdt.core.IRubyScript;
+import org.rubypeople.rdt.core.IType;
+import org.rubypeople.rdt.core.RubyModelException;
+
+public class RubyLaunchableTester extends PropertyTester {
+
+ /**
+ * name for the "has method" property
+ */
+ private static final String PROPERTY_HAS_METHOD = "hasMethod"; //$NON-NLS-1$
+
+ /**
+ * name for the "extends class" property
+ */
+ private static final String PROPERTY_EXTENDS_CLASS = "extendsClass"; //$NON-NLS-1$
+
+ /**
+ * "is container" property
+ */
+ private static final String PROPERTY_IS_CONTAINER = "isContainer"; //$NON-NLS-1$
+
+ /**
+ * name for the PROPERTY_PROJECT_NATURE property
+ */
+ private static final String PROPERTY_PROJECT_NATURE = "hasProjectNature"; //$NON-NLS-1$
+
+ @Override
+ public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+ if (PROPERTY_IS_CONTAINER.equals(property)) {
+ if (receiver instanceof IAdaptable) {
+ IResource resource = (IResource)((IAdaptable)receiver).getAdapter(IResource.class);
+ if (resource != null) {
+ return resource instanceof IContainer;
+ }
+ }
+ return false;
+ }
+ IRubyElement element = null;
+ if (receiver instanceof IAdaptable) {
+ element = (IRubyElement) ((IAdaptable)receiver).getAdapter(IRubyElement.class);
+ if(element != null) {
+ if(!element.exists()) {
+ return false;
+ }
+ }
+ }
+ if (PROPERTY_HAS_METHOD.equals(property)) {
+ return hasMethod(element, args);
+ }
+ if(PROPERTY_EXTENDS_CLASS.equals(property)) {
+ return hasSuperclass(element, (String)args[0]);
+ }
+ if(PROPERTY_PROJECT_NATURE.equals(property)) {
+ return hasProjectNature(element, (String)args[0]);
+ }
+ return false;
+ }
+
+ /**
+ * Determines is the java element contains a specific method.
+ * <p>
+ * The syntax for the property tester is of the form: methodname,
+ * signature, modifiers.
+ * </p>
+ * <ol>
+ * <li>methodname - case sensitive method name, required. For example,
+ * <code>toString</code>.</li>
+ * <li>signature - JLS style method signature, required. For example,
+ * <code>(QString;)V</code>.</li>
+ * <li>modifiers - optional space seperated list of modifiers, for
+ * example, <code>public static</code>.</li>
+ * </ol>
+ * @param element the element to check for the method
+ * @param args first arg is method name, secondary args are parameter types signatures
+ * @return true if the method is found in the element, false otherwise
+ */
+ private boolean hasMethod(IRubyElement element, Object[] args) {
+ try {
+ if (args.length > 1) {
+ IType type = getType(element);
+ if (type != null && type.exists()) {
+ String name = (String) args[0];
+ String signature = (String) args[1];
+ String[] parms = signature.split(",");
+ IMethod candidate = type.getMethod(name, parms);
+ if (candidate.exists()) {
+ // check return type
+ // check modifiers
+ if (args.length > 2) {
+ String modifierText = (String) args[2];
+ String[] modifiers = modifierText.split(" "); //$NON-NLS-1$
+ for (int j = 0; j < modifiers.length; j++) {
+ String modifier = modifiers[j];
+ if (modifier.equals("public") && !candidate.isPublic())
+ return false;
+ else if (modifier.equals("private") && !candidate.isPrivate())
+ return false;
+ else if (modifier.equals("protected") && !candidate.isProtected())
+ return false;
+ else if (modifier.equals("singleton") && !candidate.isSingleton())
+ return false;
+ }
+ return true;
+ }
+ }
+ }
+ }
+ }
+ catch (RubyModelException e) {}
+ return false;
+ }
+
+ /**
+ * Determines if the element has qname as a parent class
+ * @param element the element to check for the parent class definition
+ * @param qname the fully qualified name of the (potential) parent class
+ * @return true if qname is a parent class, false otherwise
+ */
+ private boolean hasSuperclass(IRubyElement element, String qname) {
+ try {
+ IType type = getType(element);
+ if(type != null) {
+ IType[] stypes = type.newSupertypeHierarchy(new NullProgressMonitor()).getAllSuperclasses(type);
+ for(int i = 0; i < stypes.length; i++) {
+ if(stypes[i].getFullyQualifiedName().equals(qname) || stypes[i].getElementName().equals(qname)) {
+ return true;
+ }
+ }
+ }
+ }
+ catch(RubyModelException e) {}
+ return false;
+ }
+
+ /**
+ * determines if the project selected has the specified nature
+ * @param resource the resource to get the project for
+ * @param ntype the specified nature type
+ * @return true if the specified nature matches the project, false otherwise
+ */
+ private boolean hasProjectNature(IRubyElement element, String ntype) {
+ try {
+ if(element != null) {
+ IResource resource = element.getResource();
+ if(resource != null) {
+ IProject proj = resource.getProject();
+ return proj.isAccessible() && proj.hasNature(ntype);
+ }
+ }
+ return false;
+ }
+ catch (CoreException e) {return false;}
+ }
+
+ /**
+ * gets the type of the IRubyElement
+ * @param element the element to inspect
+ * @return the type
+ * @throws RubyModelException
+ */
+ private IType getType(IRubyElement element) throws RubyModelException {
+ IType type = null;
+ if (element instanceof IRubyScript) {
+ type= ((IRubyScript) element).findPrimaryType();
+ }
+ else if (element instanceof IType) {
+ type = (IType) element;
+ }
+ else if (element instanceof IMember) {
+ type = ((IMember)element).getDeclaringType();
+ }
+ return type;
+ }
+
+}
Property changes on: trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyLaunchableTester.java
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