generated from Templates/Dotnet_Library
feat: add support for custom token types and longs, ref: NOISSUE
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parent
0f533c2018
commit
d4ac62c592
@ -13,7 +13,7 @@ public class TokenConverter
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{
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}
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private List<T> AsGenericCollection<T, U>() where T : ICollection<U>, new()
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private List<T> AsGenericCollection<T, U>() where T : List<U>, new()
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{
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List<T> returnData = new List<T>();
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foreach (var tokenRow in this.rawTokens)
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@ -25,11 +25,15 @@ public class TokenConverter
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{
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throw new Exception("No token was provided, but token was expected!");
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}
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IValueToken<U>? valueToken = token as IValueToken<U>;
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if (valueToken == null)
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if (!token.GetType().IsAssignableTo(typeof(IValueToken<U>)))
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{
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throw new Exception("Provided token is not a ValueToken");
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Console.WriteLine(token.GetText());
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Type t = token.GetType();
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throw new Exception("Provided token is not a ValueToken - type: " + t.ToString());
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}
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IValueToken<U> valueToken = token as IValueToken<U>;
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newRow.Add(valueToken.GetValue());
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}
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@ -161,7 +165,7 @@ public class TokenConverter
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{
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var newTokenListList = new List<List<IToken>>();
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foreach(var tokenList in rawTokens)
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foreach(var tokenList in this.rawTokens)
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{
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var newTokenList = new List<IToken>();
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foreach(var token in tokenList)
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@ -11,4 +11,6 @@ public enum BlockType
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FixedRepetition = 16,
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GreedyRepetition = 32,
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NonZeroRepetition = 64,
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Custom = 128,
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Long = 256,
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}
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42
TextParser/Schema/BuildingBlocks/CustomInputBlock.cs
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42
TextParser/Schema/BuildingBlocks/CustomInputBlock.cs
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@ -0,0 +1,42 @@
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namespace Parsing.Schema.BuildingBlocks;
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using Parsing.Tokenization;
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class CustomInputBlock<T> : BuildingBlockBase
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{
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private InputType definedInputType;
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private Func<string, T> wordConverter;
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public CustomInputBlock(InputType definedInputType, Func<string, T> wordConverter)
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{
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this.definedInputType = definedInputType;
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this.wordConverter = wordConverter;
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}
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public override List<IToken> ParseWord(InputProvider inputs)
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{
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return new List<IToken>() { new CustomToken<T>(inputs.YieldWord(), this.definedInputType, this.wordConverter) };
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}
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public override bool CanParseWord(InputProvider inputs)
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{
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string word = string.Empty;
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using (inputs.GetLookaheadContext())
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{
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word = inputs.YieldWord();
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}
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return this.CanParseWord(word);
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}
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public override bool CanParseWord(string word)
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{
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return true;
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}
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public override BlockType GetBlockType()
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{
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return BlockType.Custom;
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}
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}
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35
TextParser/Schema/BuildingBlocks/LongBlock.cs
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35
TextParser/Schema/BuildingBlocks/LongBlock.cs
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@ -0,0 +1,35 @@
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namespace Parsing.Schema.BuildingBlocks;
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using Parsing.Tokenization;
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class LongBlock : BuildingBlockBase
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{
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public LongBlock()
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{
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}
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public override List<IToken> ParseWord(InputProvider inputs)
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{
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return new List<IToken>() { new LongToken(inputs.YieldWord()) };
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}
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public override bool CanParseWord(InputProvider inputs)
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{
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using (inputs.GetLookaheadContext())
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{
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return this.CanParseWord(inputs.YieldWord());
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}
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}
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public override bool CanParseWord(string word)
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{
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long number = 0;
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return long.TryParse(word, out number);
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}
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public override BlockType GetBlockType()
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{
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return BlockType.Long;
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}
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}
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@ -28,6 +28,12 @@ class StringBlock : BuildingBlockBase
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public override bool CanParseWord(string word)
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{
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// Here we need to ensure we are not matching any non-string tokens, since string can match pretty much anything
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LongBlock longBlock = new LongBlock();
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if (longBlock.CanParseWord(word))
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{
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return false;
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}
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IntegerBlock intBlock = new IntegerBlock();
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if (intBlock.CanParseWord(word))
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{
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@ -21,6 +21,9 @@ public class InputSchemaBuilder : RepetitionSchemaBuilder<InputSchemaBuilder, In
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case InputType.Integer:
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block = new IntegerBlock();
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break;
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case InputType.Long:
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block = new LongBlock();
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break;
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case InputType.Char:
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block = new CharBlock();
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break;
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@ -31,6 +34,21 @@ public class InputSchemaBuilder : RepetitionSchemaBuilder<InputSchemaBuilder, In
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return this;
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}
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public InputSchemaBuilder Expect<T>(InputType type, InputType definedInputType, Func<string, T> wordConverter)
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{
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IBuildingBlock block;
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switch (type)
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{
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case InputType.Custom:
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block = new CustomInputBlock<T>(definedInputType, wordConverter);
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break;
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default:
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throw new Exception("Unrecognized InputType");
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}
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schema.AddBuildingBlock(block);
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return this;
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}
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public InputSchemaBuilder Repeat(int repetitionCount)
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{
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// add another layer of parsing
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@ -7,4 +7,6 @@ public enum InputType
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String = BlockType.String,
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Fragment = BlockType.Fragment,
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Char = BlockType.Char,
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Custom = BlockType.Custom,
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Long = BlockType.Long,
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}
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34
TextParser/Tokenization/CustomToken.cs
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34
TextParser/Tokenization/CustomToken.cs
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@ -0,0 +1,34 @@
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namespace Parsing.Tokenization;
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using Parsing.Schema;
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public class CustomToken<T> : IValueToken<T>
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{
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private string word;
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private InputType definedInputType;
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private Func<string, T> wordConverter;
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public CustomToken(string word, InputType definedInputType, Func<string, T> wordConverter)
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{
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this.word = word;
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this.wordConverter = wordConverter;
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this.definedInputType = definedInputType;
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}
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public string GetText()
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{
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return word;
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}
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public T GetValue()
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{
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return wordConverter(word);
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}
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public InputType GetInputType()
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{
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return this.definedInputType;
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}
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}
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28
TextParser/Tokenization/LongToken.cs
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28
TextParser/Tokenization/LongToken.cs
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@ -0,0 +1,28 @@
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namespace Parsing.Tokenization;
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using Parsing.Schema;
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public class LongToken : IValueToken<long>
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{
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private string word;
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public LongToken(string word)
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{
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this.word = word;
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}
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public string GetText()
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{
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return word;
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}
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public long GetValue()
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{
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return long.Parse(word);
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}
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public InputType GetInputType()
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{
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return InputType.Long;
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}
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}
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