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

/**
 * Any class access.
 * @author Matthieu Casanova
 */
public class ClassAccess extends AbstractSuffixExpression {

  public static final int STATIC = 0;
  public static final int NORMAL = 1;

  public Expression prefix;
  public Expression suffix;
  public int type;

  public ClassAccess(Expression prefix,
                     Expression suffix,
                     int type) {
    super(prefix.sourceStart, suffix.sourceEnd);
    this.prefix = prefix;
    this.suffix = suffix;
    this.type = type;
  }

  public String toStringOperator() {
    switch (type) {
      case STATIC : return "::"; //$NON-NLS-1$
      case NORMAL : return "->"; //$NON-NLS-1$
    }
    return "unknown operator"; //$NON-NLS-1$
  }

  /**
   * Return the expression as String.
   * @return the expression
   */
  public String toStringExpression() {
    final StringBuffer buff = new StringBuffer();
    buff.append(prefix);
    buff.append(toStringOperator());
    buff.append(suffix.toStringExpression());
    return buff.toString();
  }
}