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Dmytro Barbul
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27 changes: 27 additions & 0 deletions
27
...tor.Samples.ExtendingCalculator.Tests/Calculator.Samples.ExtendingCalculator.Tests.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
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| <IsPackable>false</IsPackable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" /> | ||
| <PackageReference Include="xunit" Version="2.4.1" /> | ||
| <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3"> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| </PackageReference> | ||
| <PackageReference Include="coverlet.collector" Version="3.1.2"> | ||
| <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets> | ||
| <PrivateAssets>all</PrivateAssets> | ||
| </PackageReference> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\Calculator.Samples.ExtendingCalculator\Calculator.Samples.ExtendingCalculator.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
53 changes: 53 additions & 0 deletions
53
samples/Calculator.Samples.ExtendingCalculator.Tests/Parsers/StringOperandParserTest.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| using Calculator.Core.Operands; | ||
| using Calculator.Core.ParsingContexts; | ||
| using Calculator.Core.Tokens; | ||
| using Calculator.Samples.ExtendingCalculator.Parsers; | ||
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| namespace Calculator.Samples.ExtendingCalculator.Tests.Parsers; | ||
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| public class StringOperandParserTest | ||
| { | ||
| private readonly StringOperandParser parser = new(); | ||
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| [Fact] | ||
| public void TryParse_SimpleString_Parsed() | ||
| { | ||
| bool isParsed = this.parser.TryParse("\"test\"", ParsingContext.Initial, out Token? token, out int parsedLength); | ||
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| Assert.True(isParsed); | ||
| Operand<string> stringOperand = Assert.IsType<Operand<string>>(token); | ||
| Assert.Equal(6, parsedLength); | ||
| Assert.Equal("test", stringOperand.Value); | ||
| } | ||
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| [Fact] | ||
| public void TryParse_EscapedQuotes_Parsed() | ||
| { | ||
| bool isParsed = this.parser.TryParse("\"test \\\" test\" something else", ParsingContext.Initial, out Token? token, out int parsedLength); | ||
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| Assert.True(isParsed); | ||
| Operand<string> stringOperand = Assert.IsType<Operand<string>>(token); | ||
| Assert.Equal(14, parsedLength); | ||
| Assert.Equal("test \" test", stringOperand.Value); | ||
| } | ||
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| [Fact] | ||
| public void TryParse_EscapedBackslash_Parsed() | ||
| { | ||
| bool isParsed = this.parser.TryParse("\"test\\\\\" test\" something else", ParsingContext.Initial, out Token? token, out int parsedLength); | ||
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| Assert.True(isParsed); | ||
| Operand<string> stringOperand = Assert.IsType<Operand<string>>(token); | ||
| Assert.Equal(8, parsedLength); | ||
| Assert.Equal("test\\", stringOperand.Value); | ||
| } | ||
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| [Fact] | ||
| public void TryParse_NoClosingQuote_NotParsed() | ||
| { | ||
| bool isParsed = this.parser.TryParse("\"test", ParsingContext.Initial, out Token? token, out _); | ||
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| Assert.False(isParsed); | ||
| Assert.Null(token); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| global using Xunit; |
13 changes: 13 additions & 0 deletions
13
samples/Calculator.Samples.ExtendingCalculator/Calculator.Samples.ExtendingCalculator.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Calculator.Core\Calculator.Core.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
40 changes: 40 additions & 0 deletions
40
samples/Calculator.Samples.ExtendingCalculator/Operators/LengthOperator.cs
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| Original file line number | Diff line number | Diff line change |
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| using Calculator.Core.Operands; | ||
| using Calculator.Core.Tokens; | ||
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| namespace Calculator.Samples.ExtendingCalculator.Operators; | ||
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| public class LengthOperator : UnaryOperator | ||
| { | ||
| public override string Text => "||"; | ||
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| protected override Operand ExecuteUnaryOperator(Operand operand) | ||
| { | ||
| return operand switch | ||
| { | ||
| ListOperand listOperand => this.GetLengthOfList(listOperand), | ||
| Operand<string> stringOperand => this.GetLengthOfString(stringOperand), | ||
| _ => throw new ArgumentException("Length operator can be performed only on list or string"), | ||
| }; | ||
| } | ||
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| private Operand GetLengthOfList(ListOperand listOperand) | ||
| { | ||
| decimal sqrSum = 0; | ||
| foreach (Operand listOperandOperand in listOperand.Operands) | ||
| { | ||
| if (listOperandOperand is not Operand<decimal> decimalOperand) | ||
| { | ||
| throw new ArgumentException($"Operator {this.Text} can only be performed on list of decimals"); | ||
| } | ||
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| sqrSum += decimalOperand.Value * decimalOperand.Value; | ||
| } | ||
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| return new Operand<decimal>((decimal)Math.Sqrt((double)sqrSum)); | ||
| } | ||
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| private Operand GetLengthOfString(Operand<string> stringOperand) | ||
| { | ||
| return new Operand<decimal>(stringOperand.Value.Length); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
samples/Calculator.Samples.ExtendingCalculator/Parsers/StringOperandParser.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| using System.Diagnostics.CodeAnalysis; | ||
| using Calculator.Core.Operands; | ||
| using Calculator.Core.Parsers; | ||
| using Calculator.Core.ParsingContexts; | ||
| using Calculator.Core.Tokens; | ||
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| namespace Calculator.Samples.ExtendingCalculator.Parsers; | ||
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| public class StringOperandParser : IParser | ||
| { | ||
| public bool TryParse( | ||
| ReadOnlySpan<char> formula, | ||
| ParsingContext context, | ||
| [NotNullWhen(true)] out Token? token, | ||
| out int parsedLength) | ||
| { | ||
| token = null; | ||
| parsedLength = default; | ||
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| if (formula[0] != '"') | ||
| { | ||
| return false; | ||
| } | ||
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| bool isEscaped = false; | ||
| int i; | ||
| for (i = 1; i < formula.Length; i++) | ||
| { | ||
| if (formula[i] == '\\' && !isEscaped) | ||
| { | ||
| isEscaped = true; | ||
| } | ||
| else if (formula[i] == '"' && !isEscaped) | ||
| { | ||
| break; | ||
| } | ||
| else | ||
| { | ||
| isEscaped = false; | ||
| } | ||
| } | ||
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| if (i == formula.Length) | ||
| { | ||
| return false; | ||
| } | ||
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| token = new Operand<string>( | ||
| formula[1..i] | ||
| .ToString() | ||
| .Replace("\\\"", "\"") | ||
| .Replace("\\\\", "\\")); | ||
| parsedLength = i + 1; | ||
|
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| return true; | ||
| } | ||
| } |
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