468 lines
19 KiB
C#
468 lines
19 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace DTLib.Dtsod
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{
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//
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// это как json но не совсем
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//
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// v20
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// полностью переписан парсер
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//
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// v21
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// парсер теперь не может игнорировать комменты, потом починю
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// теперь числовые значения конвертируются в правильный тип, а не в int64/uint64 (новый вариант switch из c#9.0 делал какую-то херню)
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// исправлены некоторые другие баги
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//
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// v22
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// метод ToString() теперь действительно деконструирует объект в текст, а не возвращает параметр text из конструктора
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//
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// v23
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// добавлен конструктор без параметров и метод Expand
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public class DtsodV23 : Dictionary<string, DtsodV23.ValueStruct>
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{
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static readonly bool debug = false;
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public struct ValueStruct
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{
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public dynamic Value;
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public ValueTypes Type;
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public bool IsList;
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public ValueStruct(ValueTypes type, dynamic value, bool isList)
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{
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Value = value;
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Type = type;
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IsList = isList;
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}
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public ValueStruct(ValueTypes type, dynamic value)
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{
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Value = value;
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Type = type;
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IsList = false;
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}
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}
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public DtsodV23() { }
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public DtsodV23(string text)
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{
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foreach (KeyValuePair<string, ValueStruct> pair in Parse(text))
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Add(pair.Key, pair.Value);
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}
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public DtsodV23(Dictionary<string, DtsodV23.ValueStruct> dict)
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{
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foreach (KeyValuePair<string, ValueStruct> pair in dict)
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Add(pair.Key, pair.Value);
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}
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// выдаёт Exception
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public new dynamic this[string key]
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{
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get
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{
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if (TryGetValue(key, out dynamic value)) return value;
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else throw new Exception($"Dtsod[{key}] key not found");
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}
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set
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{
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if (TrySetValue(key, value)) return;
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else throw new Exception($"Dtsod[{key}] key not found");
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}
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}
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// не выдаёт KeyNotFoundException
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public bool TryGetValue(string key, out dynamic value)
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{
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try
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{
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value = base[key].Value;
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return true;
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}
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catch (KeyNotFoundException)
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{
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value = null;
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return false;
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}
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}
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public bool TrySetValue(string key, dynamic value)
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{
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try
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{
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bool isList;
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if (value is IList) isList = true;
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else isList = false;
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base[key] = new(base[key].Type, value, isList);
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return true;
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}
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catch (KeyNotFoundException)
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{
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return false;
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}
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}
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DtsodV23 Parse(string text)
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{
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Dictionary<string, ValueStruct> parsed = new();
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int i = 0;
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for (; i < text.Length; i++) ReadName();
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DebugNoTime("g", $"Parse returns {parsed.Keys.Count} keys\n");
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return new DtsodV23(parsed);
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// СЛОМАНО
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/*void ReadCommentLine()
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{
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for (; i < text.Length && text[i] != '\n'; i++) Debug("gray", text[i].ToString());
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}*/
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void ReadName()
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{
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bool isListElem = false;
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dynamic value = null;
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StringBuilder defaultNameBuilder = new();
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DebugNoTime("m", "ReadName\n");
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for (; i < text.Length; i++)
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{
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switch (text[i])
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{
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case ' ':
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case '\t':
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case '\r':
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case '\n':
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break;
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case ':':
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i++;
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string name = defaultNameBuilder.ToString();
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value = ReadValue(out var type, out var isList);
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DebugNoTime("c", $"parsed.Add({name},{type} {value} )\n");
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if (isListElem)
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{
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if (!parsed.ContainsKey(name)) parsed.Add(name, new(type, new List<dynamic>(), isList));
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parsed[name].Value.Add(value);
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}
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else parsed.Add(name, new(type, value, isList));
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return;
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// строка, начинающаяся с # будет считаться комментом
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case '#':
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//ReadCommentLine();
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break;
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case '}':
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throw new Exception("Parse.ReadName() error: unexpected '}' at " + i + " char");
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// если $ перед названием параметра поставить, значение value добавится в лист с названием name
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case '$':
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DebugNoTime("w", text[i].ToString());
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if (defaultNameBuilder.ToString().Length != 0) throw new Exception("Parse.ReadName() error: unexpected '$' at " + i + " char");
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isListElem = true;
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break;
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case ';':
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throw new Exception("Parse.ReadName() error: unexpected ';' at " + i + " char");
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default:
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DebugNoTime("w", text[i].ToString());
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defaultNameBuilder.Append(text[i]);
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break;
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}
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}
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}
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dynamic ReadValue(out ValueTypes outType, out bool isList)
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{
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ValueTypes type = ValueTypes.Unknown;
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isList = false;
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dynamic value = null;
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string ReadString()
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{
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i++;
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StringBuilder valueBuilder = new();
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valueBuilder.Append('"');
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for (; text[i] != '"' || text[i - 1] == '\\'; i++)
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{
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DebugNoTime("gray", text[i].ToString());
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valueBuilder.Append(text[i]);
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}
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valueBuilder.Append('"');
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DebugNoTime("gray", text[i].ToString());
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type = ValueTypes.String;
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return valueBuilder.ToString();
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}
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List<dynamic> ReadList()
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{
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i++;
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List<dynamic> output = new();
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StringBuilder valueBuilder = new();
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for (; text[i] != ']'; i++)
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{
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DebugNoTime("c", text[i].ToString());
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switch (text[i])
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{
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case ' ':
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case '\t':
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case '\r':
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case '\n':
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break;
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case ',':
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ParseValueToRightType(valueBuilder.ToString());
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output.Add(value);
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valueBuilder.Clear();
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break;
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default:
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valueBuilder.Append(text[i]);
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break;
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}
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}
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if (valueBuilder.Length > 0)
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{
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ParseValueToRightType(valueBuilder.ToString());
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output.Add(value);
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}
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DebugNoTime("c", text[i].ToString());
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type = ValueTypes.List;
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return output;
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}
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Dictionary<string, ValueStruct> ReadComplex()
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{
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StringBuilder valueBuilder = new();
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int balance = 1;
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i++;
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for (; balance != 0; i++)
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{
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DebugNoTime("y", text[i].ToString());
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switch (text[i])
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{
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case '"':
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valueBuilder.Append(ReadString());
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break;
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case '}':
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balance--;
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DebugNoTime("b", $"\nbalance -- = {balance}\n");
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if (balance != 0) valueBuilder.Append(text[i]);
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break;
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case '{':
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balance++;
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DebugNoTime("b", $"\nbalance ++ = {balance}\n");
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valueBuilder.Append(text[i]);
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break;
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default:
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valueBuilder.Append(text[i]);
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break;
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}
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}
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i--; // i++ в for выполняется даже когда balance == 0, то есть text[i] получается == ;, что ломает всё
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type = ValueTypes.Complex;
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return Parse(valueBuilder.ToString());
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}
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void ParseValueToRightType(string stringValue)
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{
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DebugNoTime("b", $"\nParseValueToRightType({stringValue})\n");
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switch (stringValue)
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{
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// bool
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case "true":
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case "false":
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type = ValueTypes.Bool;
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value = stringValue.ToBool();
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break;
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// null
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case "null":
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type = ValueTypes.Null;
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value = null;
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break;
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default:
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if (stringValue.Contains('"'))
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{
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type = ValueTypes.String;
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value = stringValue.Remove(stringValue.Length - 1).Remove(0, 1);
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}
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// double
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else if (stringValue.Contains('.'))
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{
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type = ValueTypes.Double;
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value = stringValue.ToDouble();
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}
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// ushort; ulong; uint
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else if (stringValue.Length > 2 && stringValue[stringValue.Length - 2] == 'u')
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{
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switch (stringValue[stringValue.Length - 1])
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{
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case 's':
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type = ValueTypes.UShort;
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value = stringValue.Remove(stringValue.Length - 2).ToUShort();
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break;
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case 'i':
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type = ValueTypes.UInt;
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value = stringValue.Remove(stringValue.Length - 2).ToUInt();
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break;
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case 'l':
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type = ValueTypes.ULong;
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value = stringValue.Remove(stringValue.Length - 2).ToULong();
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break;
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default:
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throw new Exception($"Dtsod.Parse.ReadValue() error: value <{stringValue}> has wrong type");
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};
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}
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// short; long; int
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else switch (stringValue[stringValue.Length - 1])
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{
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case 's':
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type = ValueTypes.Short;
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value = stringValue.Remove(stringValue.Length - 1).ToShort();
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break;
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case 'l':
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type = ValueTypes.Long;
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value = stringValue.Remove(stringValue.Length - 1).ToLong();
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break;
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default:
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type = ValueTypes.Int;
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value = stringValue.ToShort();
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break;
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}
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break;
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};
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}
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StringBuilder defaultValueBuilder = new();
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DebugNoTime("m", "\nReadValue\n");
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for (; i < text.Length; i++)
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{
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DebugNoTime("b", text[i].ToString());
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switch (text[i])
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{
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case ' ':
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case '\t':
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case '\r':
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case '\n':
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break;
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case '"':
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value = ReadString();
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break;
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case '[':
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value = ReadList();
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break;
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case '{':
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value = ReadComplex();
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break;
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case ';':
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switch (type)
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{
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case ValueTypes.String:
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ParseValueToRightType(value);
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break;
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case ValueTypes.Unknown:
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ParseValueToRightType(defaultValueBuilder.ToString());
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break;
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case ValueTypes.List:
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isList = true;
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break;
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};
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outType = type;
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return value;
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// строка, начинающаяся с # будет считаться комментом
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case '#':
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//ReadCommentLine();
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break;
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default:
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defaultValueBuilder.Append(text[i]);
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break;
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}
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}
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throw new Exception("Dtsod.Parse.ReadValue error: wtf it's the end of function");
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}
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}
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public override string ToString() => Deconstruct(this);
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ushort tabCount = 0;
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string Deconstruct(DtsodV23 dtsod)
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{
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StringBuilder outBuilder = new();
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foreach (var key in dtsod.Keys)
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{
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outBuilder.Append('\t', tabCount);
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outBuilder.Append(key);
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outBuilder.Append(": ");
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dtsod.TryGetValue(key, out ValueStruct value);
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switch (value.Type)
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{
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case ValueTypes.List:
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outBuilder.Append("\"list deconstruction is'nt implemented yet\"");
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break;
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case ValueTypes.Complex:
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outBuilder.Append("\n");
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outBuilder.Append('\t', tabCount);
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outBuilder.Append("{\n");
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tabCount++;
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outBuilder.Append(Deconstruct(value.Value));
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tabCount--;
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outBuilder.Append('\t', tabCount);
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outBuilder.Append("}");
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break;
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case ValueTypes.String:
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outBuilder.Append("\"");
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("\"");
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break;
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case ValueTypes.Short:
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("s");
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break;
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case ValueTypes.Int:
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outBuilder.Append(value.Value.ToString());
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break;
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case ValueTypes.Long:
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("l");
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break;
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case ValueTypes.UShort:
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("us");
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break;
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case ValueTypes.UInt:
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("ui");
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break;
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case ValueTypes.ULong:
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outBuilder.Append(value.Value.ToString());
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outBuilder.Append("uk");
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break;
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case ValueTypes.Double:
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outBuilder.Append(value.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
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break;
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case ValueTypes.Null:
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outBuilder.Append("null");
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break;
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case ValueTypes.Bool:
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outBuilder.Append(value.Value.ToString().ToLower());
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break;
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default:
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throw new Exception($"Dtsod.Deconstruct() error: unknown type: {value.Type}");
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}
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outBuilder.Append(";\n");
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}
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return outBuilder.ToString();
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}
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void DebugNoTime(params string[] msg)
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{
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if (debug) PublicLog.LogNoTime(msg);
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}
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public void Expand(DtsodV23 newPart)
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{
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foreach (KeyValuePair<string, ValueStruct> pair in newPart)
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Add(pair.Key, pair.Value);
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}
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}
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}
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