diff options
Diffstat (limited to 'dx/src/com/android/dx/rop/cst/CstArray.java')
-rw-r--r-- | dx/src/com/android/dx/rop/cst/CstArray.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/dx/src/com/android/dx/rop/cst/CstArray.java b/dx/src/com/android/dx/rop/cst/CstArray.java new file mode 100644 index 0000000..cb7d54d --- /dev/null +++ b/dx/src/com/android/dx/rop/cst/CstArray.java @@ -0,0 +1,164 @@ +/* + * 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.rop.cst; + +import com.android.dx.rop.type.Type; +import com.android.dx.util.FixedSizeList; + +/** + * Constant type to represent a fixed array of other constants. The contents + * may be of any type <i>other</i> than {@link CstUtf8}. + */ +public final class CstArray extends Constant { + /** {@code non-null;} the actual list of contents */ + private final List list; + + /** + * Constructs an instance. + * + * @param list {@code non-null;} the actual list of contents + */ + public CstArray(List list) { + if (list == null) { + throw new NullPointerException("list == null"); + } + + list.throwIfMutable(); + + this.list = list; + } + + /** {@inheritDoc} */ + @Override + public boolean equals(Object other) { + if (! (other instanceof CstArray)) { + return false; + } + + return list.equals(((CstArray) other).list); + } + + /** {@inheritDoc} */ + @Override + public int hashCode() { + return list.hashCode(); + } + + /** {@inheritDoc} */ + @Override + protected int compareTo0(Constant other) { + return list.compareTo(((CstArray) other).list); + } + + /** {@inheritDoc} */ + @Override + public String toString() { + return list.toString("array{", ", ", "}"); + } + + /** {@inheritDoc} */ + @Override + public String typeName() { + return "array"; + } + + /** {@inheritDoc} */ + @Override + public boolean isCategory2() { + return false; + } + + /** {@inheritDoc} */ + public String toHuman() { + return list.toHuman("{", ", ", "}"); + } + + /** + * Get the underlying list. + * + * @return {@code non-null;} the list + */ + public List getList() { + return list; + } + + /** + * List of {@link Constant} instances. + */ + public static final class List + extends FixedSizeList implements Comparable<List> { + /** + * Constructs an instance. All indices initially contain + * {@code null}. + * + * @param size the size of the list + */ + public List(int size) { + super(size); + } + + /** {@inheritDoc} */ + public int compareTo(List other) { + int thisSize = size(); + int otherSize = other.size(); + int compareSize = (thisSize < otherSize) ? thisSize : otherSize; + + for (int i = 0; i < compareSize; i++) { + Constant thisItem = (Constant) get0(i); + Constant otherItem = (Constant) other.get0(i); + int compare = thisItem.compareTo(otherItem); + if (compare != 0) { + return compare; + } + } + + if (thisSize < otherSize) { + return -1; + } else if (thisSize > otherSize) { + return 1; + } + + return 0; + } + + /** + * Gets the element at the given index. It is an error to call + * this with the index for an element which was never set; if you + * do that, this will throw {@code NullPointerException}. + * + * @param n {@code >= 0, < size();} which index + * @return {@code non-null;} element at that index + */ + public Constant get(int n) { + return (Constant) get0(n); + } + + /** + * Sets the element at the given index. + * + * @param n {@code >= 0, < size();} which index + * @param a {@code null-ok;} the element to set at {@code n} + */ + public void set(int n, Constant a) { + if (a instanceof CstUtf8) { + throw new IllegalArgumentException("bad value: " + a); + } + + set0(n, a); + } + } +} |