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228
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1 using System;
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2 using System.Collections.Generic;
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3 using System.IO;
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4 using System.Linq;
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5 using System.Text;
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6 using System.Threading.Tasks;
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7
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8 namespace Implab.Formats.Json {
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9 public class JsonTextScanner : JsonScanner {
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229
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10 const int _bufferSize = 16*4096;
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228
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11 readonly TextReader m_reader;
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12
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13 JsonTextScanner(TextReader reader, char[] buffer) : base(buffer, 0, 0) {
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14 m_reader = reader;
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15 }
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16
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17 protected override int Read(char[] buffer, int offset, int size) {
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18 return m_reader.Read(buffer, offset, size);
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19 }
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20
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21 public static JsonTextScanner Create(string file, Encoding encoding) {
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22 return new JsonTextScanner(new StreamReader(file, encoding), new char[_bufferSize]);
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23 }
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24
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25 public static JsonTextScanner Create(string file) {
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26 return new JsonTextScanner(new StreamReader(file), new char[_bufferSize]);
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27 }
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28
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29 public static JsonTextScanner Create(Stream stream, Encoding encoding) {
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30 return new JsonTextScanner(new StreamReader(stream, encoding), new char[_bufferSize]);
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31 }
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32
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33 public static JsonTextScanner Create(Stream stream) {
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34 return new JsonTextScanner(new StreamReader(stream), new char[_bufferSize]);
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35 }
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36
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37 public static JsonTextScanner Create(TextReader reader) {
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38 Safe.ArgumentNotNull(reader, nameof(reader));
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39 return new JsonTextScanner(reader, new char[_bufferSize]);
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40 }
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41
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42 protected override void Dispose(bool disposing) {
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43 if (disposing)
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44 Safe.Dispose(m_reader);
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45
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46 base.Dispose(disposing);
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47 }
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48 }
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49 }
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