DTLib/Dtsod/DtsodV22.cs
2021-12-31 00:17:32 +03:00

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namespace DTLib.Dtsod;
// v22
// метод ToString() теперь деконструирует объект в текст, а не возвращает параметр text из конструктора
// деконструкция листов не работает из-за костыльного определения типов данных
public class DtsodV22 : Dictionary<string, DtsodV22.ValueStruct>, IDtsod
{
public DtsodVersion Version { get; } = DtsodVersion.V22;
public IDictionary<string, dynamic> ToDictionary()
{
Dictionary<string, dynamic> newdict = new();
foreach (KeyValuePair<string, ValueStruct> pair in this)
newdict.Add(pair.Key, pair.Value.Value);
return newdict;
}
public struct ValueStruct
{
public dynamic Value;
public ValueTypes Type;
public bool IsList;
public ValueStruct(ValueTypes type, dynamic value, bool isList)
{
Value = value;
Type = type;
IsList = isList;
}
}
public enum ValueTypes
{
List,
Complex,
String,
Short,
Int,
Long,
UShort,
UInt,
ULong,
Double,
Null,
Bool,
Unknown
}
public DtsodV22() { }
public DtsodV22(string text)
{
foreach (KeyValuePair<string, ValueStruct> pair in Parse(text))
Add(pair.Key, pair.Value);
}
public DtsodV22(Dictionary<string, ValueStruct> dict)
{
foreach (KeyValuePair<string, ValueStruct> pair in dict)
Add(pair.Key, pair.Value);
}
// выдаёт Exception
public new dynamic this[string key]
{
get => TryGetValue(key, out dynamic value) ? value : throw new Exception($"Dtsod[{key}] key not found");
set
{
if (!TrySetValue(key, value)) throw new Exception($"Dtsod[{key}] key not found");
}
}
// не выдаёт KeyNotFoundException
public bool TryGetValue(string key, out dynamic value)
{
try
{
value = base[key].Value;
return true;
}
catch (KeyNotFoundException)
{
value = null;
return false;
}
}
public bool TrySetValue(string key, dynamic value)
{
try
{
bool isList = value is IList;
base[key] = new(base[key].Type, value, isList);
return true;
}
catch (KeyNotFoundException)
{ return false; }
}
DtsodV22 Parse(string text)
{
Dictionary<string, ValueStruct> parsed = new();
int i = 0;
for (; i < text.Length; i++)
ReadName();
#if DEBUG
DebugNoTime("g", $"Parse returns {parsed.Keys.Count} keys\n");
#endif
return new DtsodV22(parsed);
// СЛОМАНО
/*void ReadCommentLine()
{
for (; i < text.Length && text[i] != '\n'; i++) Debug("h", text[i].ToString());
}*/
void ReadName()
{
bool isListElem = false;
dynamic value;
StringBuilder defaultNameBuilder = new();
#if DEBUG
DebugNoTime("m", "ReadName\n");
#endif
for (; i < text.Length; i++)
{
switch (text[i])
{
case ' ':
case '\t':
case '\r':
case '\n':
break;
case ':':
i++;
string name = defaultNameBuilder.ToString();
value = ReadValue(out ValueTypes type, out bool isList);
#if DEBUG
DebugNoTime("c", $"parsed.Add({name},{type} {value} )\n");
#endif
if (isListElem)
{
if (!parsed.ContainsKey(name))
parsed.Add(name, new(type, new List<dynamic>(), isList));
parsed[name].Value.Add(value);
}
else parsed.Add(name, new(type, value, isList));
return;
// строка, начинающаяся с # будет считаться комментом
case '#':
//ReadCommentLine();
break;
case '}':
throw new Exception("Parse.ReadName() error: unexpected '}' at " + i + " char");
// если $ перед названием параметра поставить, значение value добавится в лист с названием name
case '$':
#if DEBUG
DebugNoTime("w", text[i].ToString());
#endif
if (defaultNameBuilder.ToString().Length != 0)
throw new Exception("Parse.ReadName() error: unexpected '$' at " + i + " char");
isListElem = true;
break;
case ';':
throw new Exception("Parse.ReadName() error: unexpected ';' at " + i + " char");
default:
#if DEBUG
DebugNoTime("w", text[i].ToString());
#endif
defaultNameBuilder.Append(text[i]);
break;
}
}
}
dynamic ReadValue(out ValueTypes outType, out bool isList)
{
ValueTypes type = ValueTypes.Unknown;
isList = false;
dynamic value = null;
string ReadString()
{
i++;
StringBuilder valueBuilder = new();
valueBuilder.Append('"');
for (; text[i] != '"' || text[i - 1] == '\\'; i++)
{
#if DEBUG
DebugNoTime("h", text[i].ToString());
#endif
valueBuilder.Append(text[i]);
}
valueBuilder.Append('"');
#if DEBUG
DebugNoTime("h", text[i].ToString());
#endif
type = ValueTypes.String;
return valueBuilder.ToString();
}
List<dynamic> ReadList()
{
i++;
List<dynamic> output = new();
StringBuilder valueBuilder = new();
for (; text[i] != ']'; i++)
{
#if DEBUG
DebugNoTime("c", text[i].ToString());
#endif
switch (text[i])
{
case ' ':
case '\t':
case '\r':
case '\n':
break;
case ',':
ParseValueToRightType(valueBuilder.ToString());
output.Add(value);
valueBuilder.Clear();
break;
default:
valueBuilder.Append(text[i]);
break;
}
}
if (valueBuilder.Length > 0)
{
ParseValueToRightType(valueBuilder.ToString());
output.Add(value);
}
#if DEBUG
DebugNoTime("c", text[i].ToString());
#endif
type = ValueTypes.List;
return output;
}
Dictionary<string, ValueStruct> ReadComplex()
{
StringBuilder valueBuilder = new();
int balance = 1;
i++;
for (; balance != 0; i++)
{
#if DEBUG
DebugNoTime("y", text[i].ToString());
#endif
switch (text[i])
{
case '"':
valueBuilder.Append(ReadString());
break;
case '}':
balance--;
#if DEBUG
DebugNoTime("b", $"\nbalance -- = {balance}\n");
#endif
if (balance != 0)
valueBuilder.Append(text[i]);
break;
case '{':
balance++;
#if DEBUG
DebugNoTime("b", $"\nbalance ++ = {balance}\n");
#endif
valueBuilder.Append(text[i]);
break;
default:
valueBuilder.Append(text[i]);
break;
}
}
i--; // i++ в for выполняется даже когда balance == 0, то есть text[i] получается == ;, что ломает всё
type = ValueTypes.Complex;
return Parse(valueBuilder.ToString());
}
void ParseValueToRightType(string stringValue)
{
#if DEBUG
DebugNoTime("b", $"\nParseValueToRightType({stringValue})\n");
#endif
switch (stringValue)
{
// bool
case "true":
case "false":
type = ValueTypes.Bool;
value = stringValue.ToBool();
break;
// null
case "null":
type = ValueTypes.Null;
value = null;
break;
default:
if (stringValue.Contains('"'))
{
type = ValueTypes.String;
value = stringValue.Remove(stringValue.Length - 1).Remove(0, 1);
}
// double
else if (stringValue.Contains('.'))
{
type = ValueTypes.Double;
value = stringValue.ToDouble();
}
// ushort; ulong; uint
else if (stringValue.Length > 2 && stringValue[stringValue.Length - 2] == 'u')
{
switch (stringValue[stringValue.Length - 1])
{
case 's':
type = ValueTypes.UShort;
value = stringValue.Remove(stringValue.Length - 2).ToUShort();
break;
case 'i':
type = ValueTypes.UInt;
value = stringValue.Remove(stringValue.Length - 2).ToUInt();
break;
case 'l':
type = ValueTypes.ULong;
value = stringValue.Remove(stringValue.Length - 2).ToULong();
break;
default:
throw new Exception($"Dtsod.Parse.ReadValue() error: value <{stringValue}> has wrong type");
};
}
// short; long; int
else
switch (stringValue[stringValue.Length - 1])
{
case 's':
type = ValueTypes.Short;
value = stringValue.Remove(stringValue.Length - 1).ToShort();
break;
case 'l':
type = ValueTypes.Long;
value = stringValue.Remove(stringValue.Length - 1).ToLong();
break;
default:
type = ValueTypes.Int;
value = stringValue.ToShort();
break;
}
break;
};
}
StringBuilder defaultValueBuilder = new();
#if DEBUG
DebugNoTime("m", "\nReadValue\n");
#endif
for (; i < text.Length; i++)
{
#if DEBUG
DebugNoTime("b", text[i].ToString());
#endif
switch (text[i])
{
case ' ':
case '\t':
case '\r':
case '\n':
break;
case '"':
value = ReadString();
break;
case '[':
value = ReadList();
break;
case '{':
value = ReadComplex();
break;
case ';':
switch (type)
{
case ValueTypes.String:
ParseValueToRightType(value);
break;
case ValueTypes.Unknown:
ParseValueToRightType(defaultValueBuilder.ToString());
break;
case ValueTypes.List:
isList = true;
break;
};
outType = type;
return value;
// строка, начинающаяся с # будет считаться комментом
case '#':
//ReadCommentLine();
break;
default:
defaultValueBuilder.Append(text[i]);
break;
}
}
throw new Exception("Dtsod.Parse.ReadValue error: wtf it's the end of function");
}
}
public override string ToString() => Deconstruct(this);
ushort tabCount = 0;
string Deconstruct(DtsodV22 dtsod)
{
StringBuilder outBuilder = new();
foreach (string key in dtsod.Keys)
{
outBuilder.Append('\t', tabCount);
outBuilder.Append(key);
outBuilder.Append(": ");
dtsod.TryGetValue(key, out ValueStruct value);
switch (value.Type)
{
case ValueTypes.List:
outBuilder.Append('[').Append(StringConverter.MergeToString((IEnumerable<object>)value.Value, ",")).Append(']');
//outBuilder.Append("\"list deconstruction is'nt implemented yet\"");
break;
case ValueTypes.Complex:
outBuilder.Append('\n');
outBuilder.Append('\t', tabCount);
outBuilder.Append("{\n");
tabCount++;
outBuilder.Append(Deconstruct(value.Value));
tabCount--;
outBuilder.Append('\t', tabCount);
outBuilder.Append('}');
break;
case ValueTypes.String:
outBuilder.Append('\"');
outBuilder.Append(value.Value.ToString());
outBuilder.Append('\"');
break;
case ValueTypes.Short:
outBuilder.Append(value.Value.ToString());
outBuilder.Append('s');
break;
case ValueTypes.Int:
outBuilder.Append(value.Value.ToString());
break;
case ValueTypes.Long:
outBuilder.Append(value.Value.ToString());
outBuilder.Append('l');
break;
case ValueTypes.UShort:
outBuilder.Append(value.Value.ToString());
outBuilder.Append("us");
break;
case ValueTypes.UInt:
outBuilder.Append(value.Value.ToString());
outBuilder.Append("ui");
break;
case ValueTypes.ULong:
outBuilder.Append(value.Value.ToString());
outBuilder.Append("ul");
break;
case ValueTypes.Double:
outBuilder.Append(value.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
break;
case ValueTypes.Null:
outBuilder.Append("null");
break;
case ValueTypes.Bool:
outBuilder.Append(value.Value.ToString().ToLower());
break;
default:
throw new Exception($"Dtsod.Deconstruct() error: unknown type: {value.Type}");
}
outBuilder.Append(";\n");
}
return outBuilder.ToString();
}
public void Add(KeyValuePair<string, ValueStruct> a) => Add(a.Key, a.Value);
public DtsodV22 Extend(DtsodV22 newPart)
{
foreach (KeyValuePair<string, ValueStruct> pair in newPart)
Add(pair.Key, pair.Value);
return this;
}
#if DEBUG
void Debug(params string[] msg) => PublicLog.Log(msg);
void DebugNoTime(params string[] msg) => PublicLog.LogNoTime(msg);
#endif
}