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176
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1 using System;
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2 using System.IO;
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3
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4 namespace Implab.Formats {
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5 public class ReaderScanner: TextScanner {
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6 const int CHUNK_SIZE = 1024;
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7 const int BUFFER_MAX = CHUNK_SIZE*1024;
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8
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9 readonly TextReader m_reader;
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10
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11 public ReaderScanner(TextReader reader, int limit, int chunk) : base(limit, chunk) {
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12 Safe.ArgumentNotNull(reader, "reader");
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13 m_reader = reader;
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14 }
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15
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16 public ReaderScanner(TextReader reader) : this(reader, BUFFER_MAX, CHUNK_SIZE) {
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17 }
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18
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19 protected override int Read(char[] buffer, int offset, int size) {
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20 return m_reader.Read(buffer, offset, size);
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21 }
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22
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23 protected override void Dispose(bool disposing) {
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24 if (disposing)
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25 Safe.Dispose(m_reader);
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26 base.Dispose(disposing);
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27 }
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28 }
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29 }
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30
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