ext/java/nokogiri/Html4EntityLookup.java
package nokogiri;
import static org.jruby.runtime.Helpers.invoke;
import net.sourceforge.htmlunit.cyberneko.HTMLEntitiesParser;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyObject;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
/**
* Class for Nokogiri::HTML4::EntityLookup.
*
* @author Patrick Mahoney <pat@polycrystal.org>
*/
@JRubyClass(name = "Nokogiri::HTML4::EntityLookup")
public class Html4EntityLookup extends RubyObject
{
private static final long serialVersionUID = 1L;
public
Html4EntityLookup(Ruby runtime, RubyClass rubyClass)
{
super(runtime, rubyClass);
}
/**
* Looks up an HTML entity <code>key</code>.
*
* The description is a bit lacking.
*/
@JRubyMethod()
public IRubyObject
get(ThreadContext context, IRubyObject key)
{
Ruby ruby = context.getRuntime();
String name = key.toString();
HTMLEntitiesParser parser = new HTMLEntitiesParser();
for (int j = 0 ; j < name.length() ; j++) {
if (!parser.parse(name.charAt(j))) {
break;
}
}
String match = parser.getMatch();
if (match == null) { return ruby.getNil(); }
int val = match.charAt(0);
IRubyObject edClass =
ruby.getClassFromPath("Nokogiri::HTML4::EntityDescription");
IRubyObject edObj = invoke(context, edClass, "new",
ruby.newFixnum(val), ruby.newString(name),
ruby.newString(name + " entity"));
return edObj;
}
}