1 files changed, 93 insertions, 0 deletions
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMTemplateParameterArray.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMTemplateParameterArray.java
new file mode 100644
index 00000000000..f1e4a6e7ce4
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMTemplateParameterArray.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * Copyright (c) 2008 Wind River Systems, Inc. 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:
+ *    Markus Schorn - initial API and implementation
+ *******************************************************************************/ 
+package org.eclipse.cdt.internal.core.pdom.dom.cpp;
+
+import org.eclipse.cdt.core.dom.ast.DOMException;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateNonTypeParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTemplateParameter;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTypeParameter;
+import org.eclipse.cdt.internal.core.pdom.PDOM;
+import org.eclipse.cdt.internal.core.pdom.db.Database;
+import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
+import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+
+/**
+ * Collects methods to store an argument list in the database
+ */
+public class PDOMTemplateParameterArray {
+	/**
+	 * Stores the given template arguments in the database.
+	 * @return the record by which the arguments can be referenced.
+	 */
+	public static int putArray(final Database db, IPDOMCPPTemplateParameter[] params) throws CoreException {
+		final short len= (short) Math.min(params.length, (Database.MAX_MALLOC_SIZE-2)/8); 
+		final int block= db.malloc(2+8*len);
+		int p= block;
+
+		db.putShort(p, len); p+=2;
+		for (int i=0; i<len; i++, p+=4) {
+			final IPDOMCPPTemplateParameter elem= params[i];
+			db.putInt(p, elem == null ? 0 : elem.getRecord());
+		}
+		return block;
+	}
+
+	/**
+	 * Restores an array of template arguments from the database.
+	 */
+	public static IPDOMCPPTemplateParameter[] getArray(PDOMNode parent, int rec) throws CoreException {
+		final PDOMLinkage linkage= parent.getLinkage();
+		final Database db= linkage.getPDOM().getDB();
+		final short len= db.getShort(rec);
+		
+		Assert.isTrue(len >= 0 && len <= (Database.MAX_MALLOC_SIZE-2)/8);
+		if (len == 0) {
+			return IPDOMCPPTemplateParameter.EMPTY_ARRAY;
+		}
+		
+		rec+=2;
+		IPDOMCPPTemplateParameter[] result= new IPDOMCPPTemplateParameter[len];
+		for (int i=0; i<len; i++) {
+			final int nodeRec= db.getInt(rec); rec+=4;
+			result[i]= nodeRec == 0 ? null : (IPDOMCPPTemplateParameter) linkage.getNode(nodeRec);
+		}
+		return result;
+	}
+	
+	/**
+	 * Creates template parameters in the pdom
+	 */
+	public static IPDOMCPPTemplateParameter[] createPDOMTemplateParameters(PDOM pdom, PDOMNode parent, ICPPTemplateParameter[] origParams) throws CoreException, DOMException {
+		IPDOMCPPTemplateParameter[] params= new IPDOMCPPTemplateParameter[origParams.length];
+		for (int i = 0; i < origParams.length; i++) {
+			params[i]= createPDOMTemplateParameter(pdom, parent, origParams[i]);
+		}
+		return params;
+	}
+
+	/**
+	 * Creates a template parameter in the pdom
+	 */
+	public static IPDOMCPPTemplateParameter createPDOMTemplateParameter(PDOM pdom, PDOMNode parent, ICPPTemplateParameter origParam) throws CoreException, DOMException {
+		IPDOMCPPTemplateParameter param= null;
+		if (origParam instanceof ICPPTemplateNonTypeParameter) {
+			param= new PDOMCPPTemplateNonTypeParameter(pdom, parent, (ICPPTemplateNonTypeParameter) origParam);
+		} else if (origParam instanceof ICPPTemplateTypeParameter) {
+			param= new PDOMCPPTemplateTypeParameter(pdom, parent, (ICPPTemplateTypeParameter) origParam);
+		} else if (origParam instanceof ICPPTemplateTemplateParameter) {
+			param= new PDOMCPPTemplateTemplateParameter(pdom, parent, (ICPPTemplateTemplateParameter) origParam);
+		}
+		return param;
+	}
+}