Add several classes from dx tool to the dexgen project

[android-x86/dalvik.git] / dexgen / src / com / android / dexgen / dex / file / MemberIdItem.java

diff --git a/dexgen/src/com/android/dexgen/dex/file/MemberIdItem.java b/dexgen/src/com/android/dexgen/dex/file/MemberIdItem.java
new file mode 100644 (file)
index 0000000..d638f07
--- /dev/null
+++ b/dexgen/src/com/android/dexgen/dex/file/MemberIdItem.java
@@ -0,0 +1,111 @@
+/*
+ * 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.dexgen.dex.file;
+
+import com.android.dexgen.rop.cst.CstMemberRef;
+import com.android.dexgen.rop.cst.CstNat;
+import com.android.dexgen.util.AnnotatedOutput;
+import com.android.dexgen.util.Hex;
+
+/**
+ * Representation of a member (field or method) reference inside a
+ * Dalvik file.
+ */
+public abstract class MemberIdItem extends IdItem {
+    /** size of instances when written out to a file, in bytes */
+    public static final int WRITE_SIZE = 8;
+
+    /** {@code non-null;} the constant for the member */
+    private final CstMemberRef cst;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param cst {@code non-null;} the constant for the member
+     */
+    public MemberIdItem(CstMemberRef cst) {
+        super(cst.getDefiningClass());
+
+        this.cst = cst;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int writeSize() {
+        return WRITE_SIZE;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void addContents(DexFile file) {
+        super.addContents(file);
+
+        StringIdsSection stringIds = file.getStringIds();
+        stringIds.intern(getRef().getNat().getName());
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public final void writeTo(DexFile file, AnnotatedOutput out) {
+        TypeIdsSection typeIds = file.getTypeIds();
+        StringIdsSection stringIds = file.getStringIds();
+        CstNat nat = cst.getNat();
+        int classIdx = typeIds.indexOf(getDefiningClass());
+        int nameIdx = stringIds.indexOf(nat.getName());
+        int typoidIdx = getTypoidIdx(file);
+
+        if (out.annotates()) {
+            out.annotate(0, indexString() + ' ' + cst.toHuman());
+            out.annotate(2, "  class_idx: " + Hex.u2(classIdx));
+            out.annotate(2, String.format("  %-10s %s", getTypoidName() + ':',
+                            Hex.u2(typoidIdx)));
+            out.annotate(4, "  name_idx:  " + Hex.u4(nameIdx));
+        }
+
+        out.writeShort(classIdx);
+        out.writeShort(typoidIdx);
+        out.writeInt(nameIdx);
+    }
+
+    /**
+     * Returns the index of the type-like thing associated with
+     * this item, in order that it may be written out. Subclasses must
+     * override this to get whatever it is they need to store.
+     *
+     * @param file {@code non-null;} the file being written
+     * @return the index in question
+     */
+    protected abstract int getTypoidIdx(DexFile file);
+
+    /**
+     * Returns the field name of the type-like thing associated with
+     * this item, for listing-generating purposes. Subclasses must override
+     * this.
+     *
+     * @return {@code non-null;} the name in question
+     */
+    protected abstract String getTypoidName();
+
+    /**
+     * Gets the member constant.
+     *
+     * @return {@code non-null;} the constant
+     */
+    public final CstMemberRef getRef() {
+        return cst;
+    }
+}