com.aowagie.text.pdf.hyphenation.CharVector Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of afirma-lib-itext-android Show documentation

Version modificada de iText 2.1.7 con el paquete cambiado, adaptaciones menores para firma y dependencias actualizadas.

There is a newer version: 1.5

Show newest version

/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * 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.aowagie.text.pdf.hyphenation;

import java.io.Serializable;

/**
 * This class implements a simple char vector with access to the
 * underlying array.
 *
 * @author Carlos Villegas ([email protected])
 */
class CharVector implements Cloneable, Serializable {

    private static final long serialVersionUID = -4875768298308363544L;
	/**
     * Capacity increment size
     */
    private static final int DEFAULT_BLOCK_SIZE = 2048;
    private int blockSize;

    /**
     * The encapsulated array
     */
    private char[] array;

    /**
     * Points to next free item
     */
    private int n;

    public CharVector() {
        this(DEFAULT_BLOCK_SIZE);
    }

    private CharVector(final int capacity) {
        if (capacity > 0) {
            this.blockSize = capacity;
        } else {
            this.blockSize = DEFAULT_BLOCK_SIZE;
        }
        this.array = new char[this.blockSize];
        this.n = 0;
    }



    private CharVector(final char[] a, final int capacity) {
        if (capacity > 0) {
            this.blockSize = capacity;
        } else {
            this.blockSize = DEFAULT_BLOCK_SIZE;
        }
        this.array = a;
        this.n = a.length;
    }



    @Override
	public Object clone() {
        final CharVector cv = new CharVector(this.array.clone(), this.blockSize);
        cv.n = this.n;
        return cv;
    }

    public char[] getArray() {
        return this.array;
    }

    /**
     * return number of items in array
     */
    int length() {
        return this.n;
    }





    char get(final int index) {
        return this.array[index];
    }

    int alloc(final int size) {
        final int index = this.n;
        final int len = this.array.length;
        if (this.n + size >= len) {
            final char[] aux = new char[len + this.blockSize];
            System.arraycopy(this.array, 0, aux, 0, len);
            this.array = aux;
        }
        this.n += size;
        return index;
    }

    void trimToSize() {
        if (this.n < this.array.length) {
            final char[] aux = new char[this.n];
            System.arraycopy(this.array, 0, aux, 0, this.n);
            this.array = aux;
        }
    }

}