Bug 375814 - Implement the Eclipse variables to obtain CDT configuration

name and description for the specified project

core/org.eclipse.cdt.core/plugin.properties

@@ -104,7 +104,9 @@ cxxHeaderName=C++ Header File
 asmSourceName=Assembly Source File
 binaryFileName=Binary File
 
-cdt_pathentry_var.description=CDT PathEntry Variable
+cdt_pathentry_var.description=CDT PathEntry variable
+config_name_var.description=The name of the active configuration for the project specified as an argument
+config_description_var.description=The description of the active configuration for the project specified as an argument
 
 PDOMProviderName=PDOM Provider
 

core/org.eclipse.cdt.core/plugin.xml

@@ -588,6 +588,22 @@
             description="%cdt_pathentry_var.description">
       </variable>
    </extension>
+   <extension
+         point="org.eclipse.core.variables.dynamicVariables">
+      <variable
+            name="config_name"
+            resolver="org.eclipse.cdt.internal.core.ConfigurationNameVariableResolver"
+            description="%config_name_var.description">
+      </variable>
+   </extension>
+   <extension
+         point="org.eclipse.core.variables.dynamicVariables">
+      <variable
+            name="config_description"
+            resolver="org.eclipse.cdt.internal.core.ConfigurationDescriptionVariableResolver"
+            description="%config_description_var.description">
+      </variable>
+   </extension>
    <extension
          point="org.eclipse.cdt.core.CBuildConsole">
       <CBuildConsole

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/CCorePluginResources.properties

@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2000, 2010 QNX Software Systems and others.
+# Copyright (c) 2000, 2010, 2012 QNX Software Systems and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v1.0
 # which accompanies this distribution, and is available at
@@ -9,6 +9,7 @@
 #     QNX Software Systems - Initial API and implementation
 #     Markus Schorn (Wind River Systems)
 #     Anton Leherbauer (Wind River Systems)
+#     Anton Gorenkov
 ###############################################################################
 ACBuilder.ProblemsView.Location=line {0}, external location: {1}
 CBuilder.build_error= Build Error	
@@ -68,6 +69,9 @@ Util.unknownFormat=Unknown debug format
 
 PathEntryVariableResolver.0=CDT PathEntry variable not specified
 
+ConfigurationInfoVariableResolver.noProjectName=Project name should be specified as variable argument for '${'{0}'}' variable
+ConfigurationInfoVariableResolver.wrongProjectName=The "{0}" project referenced by the '${'{1}'}' variable does not exist
+
 CTagsIndexMarker.fileMissing=CTags output file missing
 CTagsIndexMarker.CTagsMissing=CTags not installed or not in path
 DOMIndexerMarker.EmptyScannerInfo=File not indexed because it was not built

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/ConfigurationDescriptionVariableResolver.java

@@ -0,0 +1,20 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Anton Gorenkov and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Anton Gorenkov - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core;
+
+import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
+
+public class ConfigurationDescriptionVariableResolver extends ConfigurationInfoVariableResolver {
+	@Override
+	protected String fetchConfigurationInfo(ICConfigurationDescription configuration) {
+		return configuration.getDescription();
+	}
+}

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/ConfigurationInfoVariableResolver.java

@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Anton Gorenkov and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Anton Gorenkov - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core;
+
+import org.eclipse.cdt.core.CCorePlugin;
+import org.eclipse.cdt.core.model.CoreModel;
+import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
+import org.eclipse.cdt.core.settings.model.ICProjectDescription;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.variables.IDynamicVariable;
+import org.eclipse.core.variables.IDynamicVariableResolver;
+import org.eclipse.osgi.util.NLS;
+
+public abstract class ConfigurationInfoVariableResolver implements IDynamicVariableResolver {
+	@Override
+	public String resolveValue(IDynamicVariable variable, String argument) throws CoreException {
+		if (argument == null) {
+			String message = NLS.bind(CCorePlugin.getResourceString("ConfigurationInfoVariableResolver.noProjectName"), //$NON-NLS-1$
+					variable.getName());
+			throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, message, null));
+		}
+        IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(argument);
+		if (!project.exists()) {
+			String message = NLS.bind(CCorePlugin.getResourceString("ConfigurationInfoVariableResolver.wrongProjectName"), //$NON-NLS-1$
+					argument, variable.getName());
+			throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, message, null));
+		}
+    	ICProjectDescription projectDescription = CoreModel.getDefault().getProjectDescription(project);
+    	return fetchConfigurationInfo(projectDescription.getActiveConfiguration());
+	}
+	
+	protected abstract String fetchConfigurationInfo(ICConfigurationDescription configuration);
+}

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/ConfigurationNameVariableResolver.java

@@ -0,0 +1,20 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Anton Gorenkov and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Anton Gorenkov - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core;
+
+import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
+
+public class ConfigurationNameVariableResolver extends ConfigurationInfoVariableResolver {
+	@Override
+	protected String fetchConfigurationInfo(ICConfigurationDescription configuration) {
+		return configuration.getName();
+	}
+}