package edu.neu.ccs.demeter;

/** A terminal class for parsing a block of arbitrary text.  Put Text
    in a class dictionary to represent a block of text in an input
    sentence, surrounded by {@link #begin} and {@link #end}. */
final public class Text implements java.io.Serializable {
  private String str;
  /** Construct an empty text block. */
  public Text() { str = ""; }
  /** Construct a Text from a String. */
  public Text(String s) { str = s; }
  /** Construct a Text from an Object by converting it to a String
      with {@link Object#toString()}. */
  public Text(Object obj) { str = obj.toString(); }
  /** The body of the text block, not including the {@link #begin} and
      {@link #end} markers. */
  public String toString() { return str; }
  public int hashCode() { return str.hashCode(); }
  public boolean equals(Object text) {
    return (text instanceof Text) && str.equals(((Text) text).str);
  }
  /** The beginning marker for the text block in an input sentence. */
  public static final String begin = "{{";
  /** The end marker for the text block in an input sentence. */
  public static final String end = "}}";
  /** Java code for the end marker for the text block in an input sentence. */
  public static final String quoted_end = "\"}\" + \"}\"";
}