package us.codecraft.webmagic.selector;
   
   /**
    * Convenient methods for selectors.<br>
    *
    * @author code4crafter@gmail.com <br>
    * @since 0.2.1
    */
   public abstract class Selectors {
  
      public static RegexSelector regex(String expr) {
          return new RegexSelector(expr);
      }
  
      public static RegexSelector regex(String expr, int group) {
          return new RegexSelector(expr,group);
      }
  
      public static SmartContentSelector smartContent() {
          return new SmartContentSelector();
      }
  
      public static CssSelector $(String expr) {
          return new CssSelector(expr);
      }
  
      public static CssSelector $(String expr, String attrName) {
          return new CssSelector(expr, attrName);
      }
  
      public static XpathSelector xpath(String expr) {
          return new XpathSelector(expr);
      }
  
      /**
       * @see #xpath(String)
       * @param expr expr
       * @return new selector
       */
      @Deprecated
      public static XpathSelector xsoup(String expr) {
          return new XpathSelector(expr);
      }
  
      public static AndSelector and(Selector... selectors) {
          return new AndSelector(selectors);
      }
  
      public static OrSelector or(Selector... selectors) {
          return new OrSelector(selectors);
      }
  
  }