Parser removed
This commit is contained in:
HojouFotytu
parent
992ba2a713
commit
e7b4b6ba7d
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@ -9,205 +9,6 @@ using System.Text.RegularExpressions;
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namespace Core.ProfitTrailer
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{
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public class OperandToken : Token
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{
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}
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public class OrToken : OperandToken
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{
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}
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public class AndToken : OperandToken
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{
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}
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public class BooleanValueToken : Token
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{
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}
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public class FalseToken : BooleanValueToken
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{
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}
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public class TrueToken : BooleanValueToken
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{
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}
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public class ParenthesisToken : Token
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{
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}
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public class ClosedParenthesisToken : ParenthesisToken
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{
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}
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public class OpenParenthesisToken : ParenthesisToken
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{
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}
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public class NegationToken : Token
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{
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}
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public abstract class Token
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{
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}
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public class Tokenizer
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{
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private readonly StringReader _reader;
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private string _text;
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public Tokenizer(string text)
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{
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_text = text;
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_reader = new StringReader(text);
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}
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public IEnumerable<Token> Tokenize()
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{
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var tokens = new List<Token>();
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while (_reader.Peek() != -1)
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{
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while (Char.IsWhiteSpace((char)_reader.Peek()))
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{
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_reader.Read();
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}
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if (_reader.Peek() == -1)
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break;
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var c = (char)_reader.Peek();
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switch (c)
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{
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case '!':
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tokens.Add(new NegationToken());
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_reader.Read();
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break;
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case '(':
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tokens.Add(new OpenParenthesisToken());
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_reader.Read();
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break;
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case ')':
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tokens.Add(new ClosedParenthesisToken());
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_reader.Read();
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break;
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default:
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if (Char.IsLetter(c))
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{
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var token = ParseKeyword();
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tokens.Add(token);
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}
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else
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{
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var remainingText = _reader.ReadToEnd() ?? string.Empty;
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throw new Exception(string.Format("Unknown grammar found at position {0} : '{1}'", _text.Length - remainingText.Length, remainingText));
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}
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break;
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}
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}
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return tokens;
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}
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private Token ParseKeyword()
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{
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var text = new StringBuilder();
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while (Char.IsLetter((char)_reader.Peek()))
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{
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text.Append((char)_reader.Read());
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}
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var potentialKeyword = text.ToString().ToLower();
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switch (potentialKeyword)
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{
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case "true":
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return new TrueToken();
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case "false":
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return new FalseToken();
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case "and":
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return new AndToken();
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case "or":
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return new OrToken();
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default:
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throw new Exception("Expected keyword (True, False, and, or) but found " + potentialKeyword);
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}
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}
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}
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public class Parser
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{
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private readonly IEnumerator<Token> _tokens;
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public Parser(IEnumerable<Token> tokens)
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{
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_tokens = tokens.GetEnumerator();
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_tokens.MoveNext();
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}
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public bool Parse()
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{
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while (_tokens.Current != null)
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{
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var isNegated = _tokens.Current is NegationToken;
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if (isNegated)
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_tokens.MoveNext();
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var boolean = ParseBoolean();
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if (isNegated)
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boolean = !boolean;
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while (_tokens.Current is OperandToken)
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{
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var operand = _tokens.Current;
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if (!_tokens.MoveNext())
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{
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throw new Exception("Missing expression after operand");
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}
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var nextBoolean = ParseBoolean();
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if (operand is AndToken)
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boolean = boolean && nextBoolean;
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else
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boolean = boolean || nextBoolean;
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}
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return boolean;
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}
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throw new Exception("Empty expression");
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}
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private bool ParseBoolean()
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{
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if (_tokens.Current is BooleanValueToken)
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{
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var current = _tokens.Current;
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_tokens.MoveNext();
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if (current is TrueToken)
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return true;
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return false;
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}
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if (_tokens.Current is OpenParenthesisToken)
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{
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_tokens.MoveNext();
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var expInPars = Parse();
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if (!(_tokens.Current is ClosedParenthesisToken))
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throw new Exception("Expecting Closing Parenthesis");
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_tokens.MoveNext();
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return expInPars;
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}
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if (_tokens.Current is ClosedParenthesisToken)
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throw new Exception("Unexpected Closed Parenthesis");
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// since its not a BooleanConstant or Expression in parenthesis, it must be a expression again
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var val = Parse();
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return val;
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}
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}
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public static class StrategyHelper
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{
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public static string GetStrategyShortcut(string strategyName, bool onlyValidStrategies)
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@ -597,21 +398,19 @@ namespace Core.ProfitTrailer
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strategyText += "";
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}
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else if (strategy.Name.Contains("STATS"))
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// avoid parsing advanced buy stats
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// Avoid displaying advanced buy stats and completed level formulas
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{
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strategy.Name = "";
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}
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else if (strategy.Name.Contains("FORMULA"))
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// Parse Various PT Formulas
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// Avoid displaying formula details
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{
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if (strategy.Name.Contains("LEVEL"))
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// level X
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{
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string level = strategy.Name.Substring(5, 1);
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strategyText += "<span class=\"label label-warning\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"LEVEL FORMULA\">L " + level + "</span> ";
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}
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else
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// standard formula
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{
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strategyText += "<span class=\"label label-warning\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"CONDITIONAL FORMULA\">FORM</span> ";
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}
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@ -6,7 +6,7 @@ using Core.Helper;
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using Microsoft.Extensions.DependencyInjection;
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[assembly: AssemblyVersion("2.4.4")]
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[assembly: AssemblyVersion("2.4.5")]
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[assembly: AssemblyProduct("PT Magic")]
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namespace PTMagic
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