public final class TypeVector {
static int INITIAL_SIZE = 10;
-
+
public int size;
+
int maxSize;
+
IType[] elements;
-
+
public final static IType[] NoElements = new IType[0];
-
-public TypeVector() {
- maxSize = INITIAL_SIZE;
- size = 0;
- elements = new IType[maxSize];
-}
-public TypeVector(IType[] types) {
- this.size = types.length;
- this.maxSize = this.size + 1; // when an element is added, it assumes that the length is > 0
- elements = new IType[this.maxSize];
- System.arraycopy(types, 0, elements, 0, this.size);
-}
-public TypeVector(IType type) {
- this.maxSize = INITIAL_SIZE;
- this.size = 1;
- elements = new IType[this.maxSize];
- elements[0] = type;
-}
-public void add(IType newElement) {
- if (size == maxSize) // knows that size starts <= maxSize
- System.arraycopy(elements, 0, (elements = new IType[maxSize *= 2]), 0, size);
- elements[size++] = newElement;
-}
-public void addAll(IType[] newElements) {
- if (size + newElements.length >= maxSize) {
- maxSize = size + newElements.length; // assume no more elements will be added
- System.arraycopy(elements, 0, (elements = new IType[maxSize]), 0, size);
+
+ public TypeVector() {
+ maxSize = INITIAL_SIZE;
+ size = 0;
+ elements = new IType[maxSize];
}
- System.arraycopy(newElements, 0, elements, size, newElements.length);
- size += newElements.length;
-}
-public boolean contains(IType element) {
- for (int i = size; --i >= 0;)
- if (element.equals(elements[i]))
- return true;
- return false;
-}
-public TypeVector copy() {
- TypeVector clone = new TypeVector();
- int length = this.elements.length;
- System.arraycopy(this.elements, 0, clone.elements = new IType[length], 0, length);
- clone.size = this.size;
- clone.maxSize = this.maxSize;
- return clone;
-}
-public IType elementAt(int index) {
- return elements[index];
-}
-public IType[] elements() {
-
- // do not resize to 0 if empty since may add more elements later
- if (this.size == 0) return NoElements;
-
- if (this.size < this.maxSize) {
- maxSize = size;
- System.arraycopy(this.elements, 0, (this.elements = new IType[maxSize]), 0, size);
+
+ public TypeVector(IType[] types) {
+ this.size = types.length;
+ this.maxSize = this.size + 1; // when an element is added, it assumes
+ // that the length is > 0
+ elements = new IType[this.maxSize];
+ System.arraycopy(types, 0, elements, 0, this.size);
}
- return this.elements;
-}
-public IType find(IType element) {
- for (int i = size; --i >= 0;)
- if (element == elements[i])
- return elements[i];
- return null;
-}
-public IType remove(IType element) {
- // assumes only one occurrence of the element exists
- for (int i = size; --i >= 0;)
- if (element == elements[i]) {
- // shift the remaining elements down one spot
- System.arraycopy(elements, i + 1, elements, i, --size - i);
- elements[size] = null;
- return element;
+
+ public TypeVector(IType type) {
+ this.maxSize = INITIAL_SIZE;
+ this.size = 1;
+ elements = new IType[this.maxSize];
+ elements[0] = type;
+ }
+
+ public void add(IType newElement) {
+ if (size == maxSize) // knows that size starts <= maxSize
+ System.arraycopy(elements, 0, (elements = new IType[maxSize *= 2]),
+ 0, size);
+ elements[size++] = newElement;
+ }
+
+ public void addAll(IType[] newElements) {
+ if (size + newElements.length >= maxSize) {
+ maxSize = size + newElements.length; // assume no more elements
+ // will be added
+ System.arraycopy(elements, 0, (elements = new IType[maxSize]), 0,
+ size);
}
- return null;
-}
-public void removeAll() {
- for (int i = size; --i >= 0;)
- elements[i] = null;
- size = 0;
-}
-public String toString() {
- StringBuffer buffer = new StringBuffer("["); //$NON-NLS-1$
- for (int i = 0; i < size; i++) {
- buffer.append("\n"); //$NON-NLS-1$
- buffer.append(elements[i]);
+ System.arraycopy(newElements, 0, elements, size, newElements.length);
+ size += newElements.length;
+ }
+
+ public boolean contains(IType element) {
+ for (int i = size; --i >= 0;)
+ if (element.equals(elements[i]))
+ return true;
+ return false;
+ }
+
+ public TypeVector copy() {
+ TypeVector clone = new TypeVector();
+ int length = this.elements.length;
+ System.arraycopy(this.elements, 0, clone.elements = new IType[length],
+ 0, length);
+ clone.size = this.size;
+ clone.maxSize = this.maxSize;
+ return clone;
+ }
+
+ public IType elementAt(int index) {
+ return elements[index];
+ }
+
+ public IType[] elements() {
+
+ // do not resize to 0 if empty since may add more elements later
+ if (this.size == 0)
+ return NoElements;
+
+ if (this.size < this.maxSize) {
+ maxSize = size;
+ System.arraycopy(this.elements, 0,
+ (this.elements = new IType[maxSize]), 0, size);
+ }
+ return this.elements;
+ }
+
+ public IType find(IType element) {
+ for (int i = size; --i >= 0;)
+ if (element == elements[i])
+ return elements[i];
+ return null;
+ }
+
+ public IType remove(IType element) {
+ // assumes only one occurrence of the element exists
+ for (int i = size; --i >= 0;)
+ if (element == elements[i]) {
+ // shift the remaining elements down one spot
+ System.arraycopy(elements, i + 1, elements, i, --size - i);
+ elements[size] = null;
+ return element;
+ }
+ return null;
+ }
+
+ public void removeAll() {
+ for (int i = size; --i >= 0;)
+ elements[i] = null;
+ size = 0;
+ }
+
+ public String toString() {
+ StringBuffer buffer = new StringBuffer("["); //$NON-NLS-1$
+ for (int i = 0; i < size; i++) {
+ buffer.append("\n"); //$NON-NLS-1$
+ buffer.append(elements[i]);
+ }
+ buffer.append("\n]"); //$NON-NLS-1$
+ return buffer.toString();
}
- buffer.append("\n]"); //$NON-NLS-1$
- return buffer.toString();
-}
}
git://git.phpeclipse.com / phpeclipse.git / blobdiff