1 /* Generated By:JavaCC: Do not edit this line. StreamProvider.java Version 6.1 */ 2 /* JavaCCOptions:KEEP_LINE_COLUMN=true */ 3 /* 4 * 5 * This file is part of Java 1.8 parser and Abstract Syntax Tree. 6 * 7 * Java 1.8 parser and Abstract Syntax Tree is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * You should have received a copy of the GNU Lesser General Public License 13 * along with Java 1.8 parser and Abstract Syntax Tree. If not, see <http://www.gnu.org/licenses/>. 14 */ 15 package com.github.javaparser; 16 17 18 import java.io.BufferedReader; 19 import java.io.IOException; 20 import java.io.InputStream; 21 import java.io.InputStreamReader; 22 import java.io.Reader; 23 24 /** 25 * NOTE : This generated class can be safely deleted if installing in a GWT installation (use StringProvider instead) 26 */ 27 public class StreamProvider implements Provider { 28 29 Reader _reader; 30 31 public StreamProvider(Reader reader) { 32 _reader = reader; 33 } 34 35 public StreamProvider(InputStream stream) throws IOException { 36 _reader = new BufferedReader(new InputStreamReader(stream)); 37 } 38 39 public StreamProvider(InputStream stream, String charsetName) throws IOException { 40 _reader = new BufferedReader(new InputStreamReader(stream, charsetName)); 41 } 42 43 @Override 44 public int read(char[] buffer, int off, int len) throws IOException { 45 int result = _reader.read(buffer, off, len); 46 47 /* CBA -- Added 2014/03/29 -- 48 This logic allows the generated Java code to be easily translated to C# (via sharpen) - 49 as in C# 0 represents end of file, and in Java, -1 represents end of file 50 See : http://msdn.microsoft.com/en-us/library/9kstw824(v=vs.110).aspx 51 ** Technically, this is not required for java but the overhead is extremely low compared to the code generation benefits. 52 */ 53 54 if (result == 0) { 55 if (off < buffer.length && len > 0) { 56 result = -1; 57 } 58 } 59 60 return result; 61 } 62 63 @Override 64 public void close() throws IOException { 65 _reader.close(); 66 } 67 68 } 69 70 /* JavaCC - OriginalChecksum=b849e0746bbbf4528197ca9d130650d6 (do not edit this line) */ 71
