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Noggit is the world's fastest streaming JSON parser for Java.

There is a newer version: 0.8

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.noggit;


/**
 * @author yonik
 * @version $Id: CharUtil.java 479919 2006-11-28 05:53:55Z yonik $
 */
public class CharUtil {

  // belongs in number utils or charutil?
  public long parseLong(char[] arr, int start, int end) {
    long x = 0;
    boolean negative = arr[start] == '-';
    for (int i=negative ? start+1 : start; i=0) {
      int c = a[a_start] - b[b_start];
      if (c!=0) return c;
      a_start++; b_start++;
    }
    return a_len-b_len;
  }

}