array.java

A very smaller script interpretor that java based system. Can work on j2se / j2me / win C++ platform

package gscript;

/**
 * 自定义数组 Array that define myself
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */
public class Array extends DataType{
  byte deepth = 0;
  DataType[] elements;

  /**
   * 构造方法 Construction
   *
   * @param dimSize int[]
   */
  public Array(int[] dimSize) {
    init(dimSize);
  }

  /**
   * 初始化数组 initial the array
   *
   * @param dimSize int[]
   */
  private void init(int[] dimSize) {

    this.deepth = (byte) dimSize.length;
    int len = dimSize[0]; //取出这一维数组的长度

    if (deepth > 1) {
      int[] newDimSize = new int[deepth - 1];
      System.arraycopy(dimSize, 1, newDimSize, 0, deepth - 1);
      elements = new Array[len];
      for (int i = 0; i < ( (Array[]) elements).length; i++) { //初始化下层
        elements[i] = new Array(newDimSize);
      }
    }
    else {
      elements = new DataType[len];
      for(int i=0;i<len;i++){
        elements[i]=new Int(0);
      }
    }

  }

  /**
   * 取值 get value by pos that int[]{3,2} like return arr[3][2]
   * @param pos int[]
   * @return Object
   */
  public Object getValue(int[] pos) //throws Exception
  {

    Array arr = this;
    for (int i = 0; i < pos.length; i++) {
      if (arr.deepth == 1) {
        //if(i>arr.elements.length)throw new Exception(Interpreter.STRS_ERR[Interpreter.ERR_ARR_OUT]);
        return arr.elements[pos[i]] ;
      }
      else {
        arr =  (Array) arr.elements[pos[i]];
      }
    }

    return arr;
  }

  /**
   * 设值 set value by postion that int[]{3,2} like return arr[3][2]
   * @param pos int[]
   * @param value Object
   */
  public void setValue(int[] pos, Object value) //throws Exception
  {
    Array arr = this;
    for (int i = 0; i < pos.length; i++) {
      if (arr.deepth == 1) {
        //if(i>arr.elements.length)throw new Exception(Interpreter.STRS_ERR[Interpreter.ERR_ARR_OUT]);

        arr.elements[pos[i]]=(DataType)value;
      }
      else {
        arr =  (Array) arr.elements[pos[i]];
      }
    }
  }

  public String getString() {
    return "Array["+elements==null?"":elements.length+"]";
  }

}