JSON 3.2 Delphi/C++ Builder 5 – XE7 and Lazarus 1.2.6 | 3 Mb

Delphi and C++ Builder javascript Object Notation (JSON) library.

Features

Read and modify existing JSON files
Create new JSON files
Full JSON supported: literals, numbers, strings, arrays and objects
Date/time encoding and decoding supported
Customizable output
Supports Windows 32, Windows 64, OS X, iOS and Android
Available for Delphi/C++ Builder 5 – XE7 and Lazarus 1.2.6
Source code included in full version
Royalty free distribution in applications

Read and modify existing json files:

var Json: TJson;

with TJsonParser.Create do try Json := ParseUtf8File(‘c:\data.json’); try ShowMessage(Json.ToString); finally if not Json.IsLiteral then Json.Free; end; finally Free; end;

Create new json files:

var MyArray: TJsonArray; MyObject: TJsonObject;

with TJsonObject.Create do try SetNull(‘Null’); SetTrue(‘True’); SetFalse(‘False’); SetNumber(‘Number’, 1.23); SetString(‘String’, ‘hello’); SetDateTime(‘DateTime’, Now);

MyArray := SetArray(‘Array’, 3); MyArray.SetString(0, ‘First item’); MyArray.SetString(1, ‘Second item’); MyArray.SetNumber(2, 3.21);

MyObject := SetObject(‘Object’); MyObject.SetString(‘First Member’, ‘Hello’); MyObject.SetString(‘Second Member’, ‘World’); MyObject.SetFalse(‘Third Member’); MyObject.SetTrue(‘Fourth Member’); MyObject.SetNumber(‘Other Member’, 1.11);

ShowMessage(ToString); ToUtf8File(‘c:\new.json’); finally Free; end;

Use fast, streaming TJsonWriter to create json file without in-memory overhead of TJson objects:
with TJsonWriter.Create('c:\data.json') do
try
BeginObject;
WriteNull('Null');
Write('True', True);
Write('False', False);
Write('Number', 1.23);
Write('String', 'hello');
Write('DateTime', Now, 0);

BeginArray('Array');
Write('First item');
Write('Second item');
Write(3.21);
EndArray;

BeginObject('Object');
Write('First Member', 'Hello');
Write('Second Member', 'World');
Write('Third Member', False);
Write('Fourth Member', True);
Write('Other Member', 1.11);
EndObject;
EndObject;

Check;
finally
Free;
end;

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