implab/ImplabNet Files · Implab/Formats/JSON/StringTranslator.cs

fixed JSON parser error when parsing escaped double quote symbol

cin - - Load All Authors

File last commit:

r226:9428ea36838e v2


                r226:9428ea36838e

Download file

             StringTranslator.cs
        
                    52 lines
            
             | 1.8 KiB
            
                | text/x-csharp
            
             |
                CSharpLexer
            
             / Implab / Formats / JSON / StringTranslator.cs
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        cin
    
JSON moved to Formats namespace...

              r163
            
      using Implab;

        cin
    
rewritten the text scanner

              r176
            
      using Implab.Formats;

        cin
    
JSON moved to Formats namespace...

              r163
            
      using System;

      using System.Collections.Generic;

      using System.Diagnostics;

      using System.Linq;

      using System.Text;

      using System.Threading.Tasks;

        cin
    
rewritten the text scanner

              r176
            
      namespace Implab.Formats.JSON {

        cin
    
JSON moved to Formats namespace...

              r163
            
          /// <summary>

          /// Класс для преобразования экранированной строки JSON

          /// </summary>

        cin
    
refactoring complete, JSONParser rewritten

              r180
            
          static class StringTranslator {

        cin
    
JSON moved to Formats namespace...

              r163
            
              static readonly char[] _escMap;

              static readonly int[] _hexMap;

              static StringTranslator() {

        cin
    
fixed JSON parser error when parsing escaped double quote symbol

              r226
            
                  var chars = new char[] { 'b', 'f', 't', 'r', 'n', '\\', '/', '"' };

                  var vals = new char[] { '\b', '\f', '\t', '\r', '\n', '\\', '/', '"' };

        cin
    
JSON moved to Formats namespace...

              r163
            
                  _escMap = new char[chars.Max() + 1];

                  for (int i = 0; i < chars.Length; i++)

                      _escMap[chars[i]] = vals[i];

                  var hexs = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F' };

                  var ints = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 10, 11, 12, 13, 14, 15 };

                  _hexMap = new int[hexs.Max() + 1];

                  for (int i = 0; i < hexs.Length; i++)

                      _hexMap[hexs[i]] = ints[i];

              }

              internal static char TranslateEscapedChar(char symbol) {

                  return _escMap[symbol];

              }

              internal static char TranslateHexUnicode(char[] symbols, int offset) {

                  Debug.Assert(symbols != null);

                  Debug.Assert(symbols.Length - offset >= 4);

                  int value = (_hexMap[symbols[offset]] << 12)

                      | (_hexMap[symbols[offset + 1]] << 8)

                      | (_hexMap[symbols[offset + 2]] << 4)

                      | (_hexMap[symbols[offset + 3]]);

                  return (char)value;

              }

          }

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

cin JSON moved to Formats namespace...	r163	using Implab;
cin rewritten the text scanner	r176	using Implab.Formats;
cin JSON moved to Formats namespace...	r163	using System;
		using System.Collections.Generic;
		using System.Diagnostics;
		using System.Linq;
		using System.Text;
		using System.Threading.Tasks;

cin rewritten the text scanner	r176	namespace Implab.Formats.JSON {
cin JSON moved to Formats namespace...	r163	/// <summary>
		/// Класс для преобразования экранированной строки JSON
		/// </summary>
cin refactoring complete, JSONParser rewritten	r180	static class StringTranslator {
cin JSON moved to Formats namespace...	r163	static readonly char[] _escMap;
		static readonly int[] _hexMap;

		static StringTranslator() {
cin fixed JSON parser error when parsing escaped double quote symbol	r226	var chars = new char[] { 'b', 'f', 't', 'r', 'n', '\\', '/', '"' };
		var vals = new char[] { '\b', '\f', '\t', '\r', '\n', '\\', '/', '"' };
cin JSON moved to Formats namespace...	r163
		_escMap = new char[chars.Max() + 1];

		for (int i = 0; i < chars.Length; i++)
		_escMap[chars[i]] = vals[i];

		var hexs = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F' };
		var ints = new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 10, 11, 12, 13, 14, 15 };

		_hexMap = new int[hexs.Max() + 1];

		for (int i = 0; i < hexs.Length; i++)
		_hexMap[hexs[i]] = ints[i];

		}

		internal static char TranslateEscapedChar(char symbol) {
		return _escMap[symbol];
		}

		internal static char TranslateHexUnicode(char[] symbols, int offset) {
		Debug.Assert(symbols != null);
		Debug.Assert(symbols.Length - offset >= 4);

		int value = (_hexMap[symbols[offset]] << 12)
		\| (_hexMap[symbols[offset + 1]] << 8)
		\| (_hexMap[symbols[offset + 2]] << 4)
		\| (_hexMap[symbols[offset + 3]]);
		return (char)value;
		}
		}
		}