GSoC: latest changes from Dmitriy Khayredinov

git-svn-id: https://svn.apache.org/repos/asf/jakarta/bcel/trunk@417157 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 93 insertions, 0 deletions

diff --git a/src/main/java/org/apache/bcel/generic/ElementValuePairGen.java b/src/main/java/org/apache/bcel/generic/ElementValuePairGen.java
new file mode 100755
index 00000000..81e69d41
--- /dev/null
+++ b/src/main/java/org/apache/bcel/generic/ElementValuePairGen.java
@@ -0,0 +1,93 @@
+package org.apache.bcel.generic;
+
+import java.io.DataOutputStream;
+import java.io.IOException;
+import org.apache.bcel.classfile.ConstantUtf8;
+import org.apache.bcel.classfile.ElementValue;
+import org.apache.bcel.classfile.ElementValuePair;
+
+public class ElementValuePairGen
+{
+	private int nameIdx;
+
+	private ElementValueGen value;
+
+	private ConstantPoolGen cpool;
+
+	public ElementValuePairGen(ElementValuePair nvp, ConstantPoolGen cpool,
+			boolean copyPoolEntries)
+	{
+		this.cpool = cpool;
+		// J5ASSERT:
+		// Could assert nvp.getNameString() points to the same thing as
+		// cpool.getConstant(nvp.getNameIndex())
+		// if
+		// (!nvp.getNameString().equals(((ConstantUtf8)cpool.getConstant(nvp.getNameIndex())).getBytes()))
+		// {
+		// throw new RuntimeException("envp buggered");
+		// }
+		if (copyPoolEntries)
+		{
+			nameIdx = cpool.addUtf8(nvp.getNameString());
+		}
+		else
+		{
+			nameIdx = nvp.getNameIndex();
+		}
+		value = ElementValueGen.copy(nvp.getValue(), cpool, copyPoolEntries);
+	}
+
+	/**
+	 * Retrieve an immutable version of this ElementNameValuePairGen
+	 */
+	public ElementValuePair getElementNameValuePair()
+	{
+		ElementValue immutableValue = value.getElementValue();
+		return new ElementValuePair(nameIdx, immutableValue, cpool
+				.getConstantPool());
+	}
+
+	protected ElementValuePairGen(int idx, ElementValueGen value,
+			ConstantPoolGen cpool)
+	{
+		this.nameIdx = idx;
+		this.value = value;
+		this.cpool = cpool;
+	}
+
+	public ElementValuePairGen(String name, ElementValueGen value,
+			ConstantPoolGen cpool)
+	{
+		this.nameIdx = cpool.addUtf8(name);
+		this.value = value;
+		this.cpool = cpool;
+	}
+
+	protected void dump(DataOutputStream dos) throws IOException
+	{
+		dos.writeShort(nameIdx); // u2 name of the element
+		value.dump(dos);
+	}
+
+	public int getNameIndex()
+	{
+		return nameIdx;
+	}
+
+	public final String getNameString()
+	{
+		// ConstantString cu8 = (ConstantString)cpool.getConstant(nameIdx);
+		return ((ConstantUtf8) cpool.getConstant(nameIdx)).getBytes();
+	}
+
+	public final ElementValueGen getValue()
+	{
+		return value;
+	}
+
+	public String toString()
+	{
+		return "ElementValuePair:[" + getNameString() + "="
+				+ value.stringifyValue() + "]";
+	}
+}