net.hasor.db.jsqlparser.parser.StringProvider Maven / Gradle / Ivy
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/*-
* #%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) */