Snapshot d0d351b2ef726ff1b76a3efb4aad91e4d1436f6agingerbread

1 files changed, 104 insertions, 0 deletions

diff --git a/dx/src/com/android/dx/cf/iface/StdAttributeList.java b/dx/src/com/android/dx/cf/iface/StdAttributeList.java
new file mode 100644
index 0000000..287b8c7
--- /dev/null
+++ b/dx/src/com/android/dx/cf/iface/StdAttributeList.java
@@ -0,0 +1,104 @@
+/*
+ * 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.cf.iface;
+
+import com.android.dx.util.FixedSizeList;
+
+/**
+ * Standard implementation of {@link AttributeList}, which directly stores
+ * an array of {@link Attribute} objects and can be made immutable.
+ */
+public final class StdAttributeList extends FixedSizeList
+        implements AttributeList {
+    /**
+     * Constructs an instance. All indices initially contain {@code null}.
+     *
+     * @param size the size of the list
+     */
+    public StdAttributeList(int size) {
+        super(size);
+    }
+
+    /** {@inheritDoc} */
+    public Attribute get(int n) {
+        return (Attribute) get0(n);
+    }
+
+    /** {@inheritDoc} */
+    public int byteLength() {
+        int sz = size();
+        int result = 2; // u2 attributes_count
+
+        for (int i = 0; i < sz; i++) {
+            result += get(i).byteLength();
+        }
+
+        return result;
+    }
+
+    /** {@inheritDoc} */
+    public Attribute findFirst(String name) {
+        int sz = size();
+
+        for (int i = 0; i < sz; i++) {
+            Attribute att = get(i);
+            if (att.getName().equals(name)) {
+                return att;
+            }
+        }
+
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    public Attribute findNext(Attribute attrib) {
+        int sz = size();
+        int at;
+
+        outer: {
+            for (at = 0; at < sz; at++) {
+                Attribute att = get(at);
+                if (att == attrib) {
+                    break outer;
+                }
+            }
+
+            return null;
+        }
+
+        String name = attrib.getName();
+
+        for (at++; at < sz; at++) {
+            Attribute att = get(at);
+            if (att.getName().equals(name)) {
+                return att;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Sets the attribute at the given index.
+     *
+     * @param n {@code >= 0, < size();} which attribute
+     * @param attribute {@code null-ok;} the attribute object
+     */
+    public void set(int n, Attribute attribute) {
+        set0(n, attribute);
+    }
+}