Snapshot 1c7e1e149d3dcf3949c76ae594ca9c1ca20392f9ics-mr1

1 files changed, 122 insertions, 0 deletions

diff --git a/dx/src/com/android/dx/dex/file/TypeListItem.java b/dx/src/com/android/dx/dex/file/TypeListItem.java
new file mode 100644
index 0000000..b815dd3
--- /dev/null
+++ b/dx/src/com/android/dx/dex/file/TypeListItem.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dx.dex.file;
+
+import com.android.dx.rop.cst.CstType;
+import com.android.dx.rop.type.StdTypeList;
+import com.android.dx.rop.type.Type;
+import com.android.dx.rop.type.TypeList;
+import com.android.dx.util.AnnotatedOutput;
+import com.android.dx.util.Hex;
+
+/**
+ * Representation of a list of class references.
+ */
+public final class TypeListItem extends OffsettedItem {
+    /** alignment requirement */
+    private static final int ALIGNMENT = 4;
+
+    /** element size in bytes */
+    private static final int ELEMENT_SIZE = 2;
+
+    /** header size in bytes */
+    private static final int HEADER_SIZE = 4;
+
+    /** {@code non-null;} the actual list */
+    private final TypeList list;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param list {@code non-null;} the actual list
+     */
+    public TypeListItem(TypeList list) {
+        super(ALIGNMENT, (list.size() * ELEMENT_SIZE) + HEADER_SIZE);
+
+        this.list = list;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int hashCode() {
+        return StdTypeList.hashContents(list);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public ItemType itemType() {
+        return ItemType.TYPE_TYPE_LIST;
+    }
+
+    /** {@inheritDoc} */
+    public void addContents(DexFile file) {
+        TypeIdsSection typeIds = file.getTypeIds();
+        int sz = list.size();
+
+        for (int i = 0; i < sz; i++) {
+            typeIds.intern(list.getType(i));
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String toHuman() {
+        throw new RuntimeException("unsupported");
+    }
+
+    /**
+     * Gets the underlying list.
+     *
+     * @return {@code non-null;} the list
+     */
+    public TypeList getList() {
+        return list;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    protected void writeTo0(DexFile file, AnnotatedOutput out) {
+        TypeIdsSection typeIds = file.getTypeIds();
+        int sz = list.size();
+
+        if (out.annotates()) {
+            out.annotate(0, offsetString() + " type_list");
+            out.annotate(HEADER_SIZE, "  size: " + Hex.u4(sz));
+            for (int i = 0; i < sz; i++) {
+                Type one = list.getType(i);
+                int idx = typeIds.indexOf(one);
+                out.annotate(ELEMENT_SIZE,
+                             "  " + Hex.u2(idx) + " // " + one.toHuman());
+            }
+        }
+
+        out.writeInt(sz);
+
+        for (int i = 0; i < sz; i++) {
+            out.writeShort(typeIds.indexOf(list.getType(i)));
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    protected int compareTo0(OffsettedItem other) {
+        TypeList thisList = this.list;
+        TypeList otherList = ((TypeListItem) other).list;
+
+        return StdTypeList.compareContents(thisList, otherList);
+    }
+}