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/*
 * © Copyright IBM Corp. 2012
 * 
 * Licensed 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 com.ibm.commons.xml.util;

/**
 * String parser utility using to parse XMI date.
 */
public class DateStringParser {

    public DateStringParser(String s) {
        this.string = s;
        this.count = s.length();
    }

    public boolean isEOF() {
        return pointer>=count;
    }

    public int getCurrentPosition() {
        return pointer;
    }

    public boolean startsWith( char c ) {
        if(pointercount) {
            return Integer.MIN_VALUE;
        }
        int ptr = pointer;
        // Extract the integer
        int v = 0;
        while( ptr(pointer+(negate?1:0)) ) {
            pointer = ptr;
            return negate ? -v : v;
        } else {
            return Integer.MIN_VALUE;
        }
    }

    private String string;
    private int count;
    private int pointer;
}