package net.sourceforge.phpdt.internal.compiler.ast;

import java.util.List;

/**
 * an array initializer.
 * array('a','b','c') or array('a' => 2,'b' = '3');
 * @author Matthieu Casanova
 */
public class ArrayInitializer extends Expression {

  public ArrayVariableDeclaration[] vars;

  public ArrayInitializer(final ArrayVariableDeclaration[] vars,
                          final int sourceStart,
                          final int sourceEnd) {
    super(sourceStart, sourceEnd);
    this.vars = vars;
  }

  /**
   * Return the expression as String.
   * @return the expression
   */
  public String toStringExpression() {
    final StringBuffer buff = new StringBuffer("array(");
    for (int i = 0; i < vars.length; i++) {
      if (i != 0) {
        buff.append(",");
      }
      if (vars[i] != null) {
        buff.append(vars[i].toStringExpression());
      }
    }
    buff.append(")");
    return buff.toString();
  }

  /**
   * Get the variables from outside (parameters, globals ...)
   */
  public void getOutsideVariable(final List list) {
  }

  /**
   * get the modified variables.
   */
  public void getModifiedVariable(final List list) {
    for (int i = 0; i < vars.length; i++) {
      if (vars[i] != null) {
        vars[i].getModifiedVariable(list);
      }
    }
  }

  /**
   * Get the variables used.
   */
  public void getUsedVariable(final List list) {
    for (int i = 0; i < vars.length; i++) {
      if (vars[i] != null) {
        vars[i].getUsedVariable(list);
      }
    }
  }
}