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72 lines
2.9 KiB
72 lines
2.9 KiB
/*
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* [The "BSD licence"]
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* Copyright (c) 2005-2008 Terence Parr
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* All rights reserved.
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*
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* Conversion to C#:
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* Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Antlr.Runtime {
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using Encoding = System.Text.Encoding;
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using Stream = System.IO.Stream;
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using StreamReader = System.IO.StreamReader;
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/** <summary>
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* A kind of ReaderStream that pulls from an InputStream.
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* Useful for reading from stdin and specifying file encodings etc...
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* </summary>
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*/
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[System.Serializable]
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public class ANTLRInputStream : ANTLRReaderStream {
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public ANTLRInputStream(Stream input)
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: this(input, null) {
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}
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public ANTLRInputStream(Stream input, int size)
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: this(input, size, null) {
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}
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public ANTLRInputStream(Stream input, Encoding encoding)
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: this(input, InitialBufferSize, encoding) {
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}
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public ANTLRInputStream(Stream input, int size, Encoding encoding)
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: this(input, size, ReadBufferSize, encoding) {
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}
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public ANTLRInputStream(Stream input, int size, int readBufferSize, Encoding encoding)
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: base(GetStreamReader(input, encoding), size, readBufferSize) {
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}
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private static StreamReader GetStreamReader(Stream input, Encoding encoding) {
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if (encoding != null)
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return new StreamReader(input, encoding);
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return new StreamReader(input);
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}
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}
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}
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