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the hasor DataBase project.

There is a newer version: 4.3.5

/*-
 * #%L
 * JSQLParser library
 * %%
 * Copyright (C) 2004 - 2019 JSQLParser
 * %%
 * Dual licensed under GNU LGPL 2.1 or Apache License 2.0
 * #L%
 */
/* Generated By:JavaCC: Do not edit this line. StringProvider.java Version 7.0 */
/* JavaCCOptions:KEEP_LINE_COLUMN=true */
package net.sf.jsqlparser.parser;

	
	import java.io.IOException;
	
	public class StringProvider implements Provider {

		String _string;
		int _position = 0;
		int _size;
		
		public StringProvider(String string) {
			_string = string;
			_size = string.length();
		}
		
		@Override
		public int read(char[] cbuf, int off, int len) throws IOException {
			int numCharsOutstandingInString = _size - _position;
			
			if (numCharsOutstandingInString == 0) {
				return -1;
			}
			
			int numBytesInBuffer = cbuf.length;
			int numBytesToRead = numBytesInBuffer -off;
			numBytesToRead = numBytesToRead > len ? len : numBytesToRead;
			
			if (numBytesToRead > numCharsOutstandingInString) {
				numBytesToRead = numCharsOutstandingInString;
			}
			
			_string.getChars(_position, _position + numBytesToRead, cbuf, off);
			
			_position += numBytesToRead;
			
			return numBytesToRead;
		}

		@Override
		public void close() throws IOException {
			_string = null;
		}
		
	}
/* JavaCC - OriginalChecksum=378309cdcf0d00ac5d27d6c7a2b4f010 (do not edit this line) */