/** * The Parse class is the low-level text parsing class * that all other parsing classes are based on. * * Copyright 2001-2003 by Jeff Heaton (http://www.jeffheaton.com) * * @author Jeff Heaton * @version 1.2 */package com.heaton.bot;import com.heaton.bot.*;class Parse extends AttributeList {  public StringBuffer source;  protected int idx;  protected char parseDelim;  protected String parseName;  protected String parseValue;  public String tag;  public static boolean isWhiteSpace(char ch)  {    return( "\t\n\r ".indexOf(ch) != -1 );  }  public void eatWhiteSpace()  {    while ( !eof() ) {      if ( !isWhiteSpace(source.charAt(idx)) )        return;      idx++;    }  }  public boolean eof()  {    return(idx>=source.length() );  }  public void parseAttributeName()  {    eatWhiteSpace();    // get attribute name    if ( (source.charAt(idx)=='\'')       || (source.charAt(idx)=='\"') ) {      parseDelim = source.charAt(idx);      idx++;      while ( source.charAt(idx)!=parseDelim ) {        parseName+=source.charAt(idx);        idx++;      }      idx++;    } else {      while ( !eof() ) {        if ( isWhiteSpace(source.charAt(idx)) ||             (source.charAt(idx)=='=') ||             (source.charAt(idx)=='>') )          break;        parseName+=source.charAt(idx);        idx++;      }    }    eatWhiteSpace();  }  public void parseAttributeValue()  {    if ( parseDelim!=0 )      return;    if ( source.charAt(idx)=='=' ) {      idx++;      eatWhiteSpace();      if ( (source.charAt(idx)=='\'') ||           (source.charAt(idx)=='\"') ) {        parseDelim = source.charAt(idx);        idx++;        while ( source.charAt(idx)!=parseDelim ) {          parseValue+=source.charAt(idx);          idx++;        }        idx++;      } else {        while ( !eof() &&                !isWhiteSpace(source.charAt(idx)) &&                (source.charAt(idx)!='>') ) {          parseValue+=source.charAt(idx);          idx++;        }      }      eatWhiteSpace();    }  }  void addAttribute()  {    Attribute a = new Attribute(parseName,      parseValue,parseDelim);    add(a);  }  String getParseName()  {    return parseName;  }  void setParseName(String s)  {    parseName = s;  }  String getParseValue()  {    return parseValue;  }  void setParseValue(String s)  {    parseValue = s;  }  char getParseDelim()  {    return parseDelim;  }  void setParseDelim(char s)  {    parseDelim = s;  }}