import java.io.*;
import java.util.*;

import sxt.XmlTokenizer;
import sxt.XmlTokenizerException;

/*
 * @author Aleksander Slominski [aslom@extreme.indiana.edu]
 */

public class SimpleXmlTokenizer implements Tester {
  //int count;
  //String elementName;

  public SimpleXmlTokenizer() {
  }

  public void setUp(Properties props) throws Exception {
  }

  public TestResult testCount(String data, int runs, String elementName) 
      throws Exception {
    //this.elementName = elementName;
    char[] bufElementName = elementName.toCharArray();
    int bufElementNameLen = bufElementName.length;
    // one run for warmup
    char[] buf = data.toCharArray();
    XmlTokenizer sxt = new XmlTokenizer();
    sxt.setParseContent(true);
    sxt.setMixedContent(false);

    
    Reader[] readers  = new Reader[runs];
    for(int i = 0; i < runs ; ++i) {
      readers[i] = new StringReader(data);
    }
    
    // start timing
    int count = -1;
    double start = TestTimer.tick();
    for(int i = 0; i < runs ; ++i) {
      count = 0;
      //sxt.setInput(buf);
      sxt.setInput(readers[i]);
      int token;
      
LOOP:      
      while((token = sxt.next()) != XmlTokenizer.END_DOCUMENT) {     
        if(token == XmlTokenizer.STAG_NAME) {
          if(sxt.posEnd - sxt.posStart == bufElementNameLen) {
            for(int p = 0; p < bufElementNameLen; ++p) {
              if(bufElementName[p] != sxt.buf[sxt.posStart + p])           
                continue LOOP;
            }
            ++count;
          }
        }
      }  
 
  /*
    // this code is 25%-50% slower than low level code above :-)
      while((token = sxt.next()) != XmlTokenizer.END_DOCUMENT) {     
         String s = null;
         if(token == XmlTokenizer.CONTENT || token == XmlTokenizer.ATTR_CONTENT)
           s = new String(sxt.pc, sxt.pcStart, sxt.pcEnd - sxt.pcStart);
         else
           s = new String(sxt.buf, sxt.posStart, sxt.posEnd - sxt.posStart);  
         if(token == XmlTokenizer.STAG_NAME) {
           if(s.equals(elementName))
              ++count;
         }      
         
      }      
    */
    }
    double end = TestTimer.tick();
    TestResult result = new TestResult();
    result.elementCount = count;
    result.timeSecs = (end - start) / runs;
    return result;
  }

}