How to use ToString method of Atata.LambdaExpressionPart class

Best Atata code snippet using Atata.LambdaExpressionPart.ToString

ImprovedExpressionStringBuilder.cs

Source:ImprovedExpressionStringBuilder.cs Github

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...38 /// Outputs a given expression tree to a string.39 /// </summary>40 /// <param name="node">The expression node.</param>41 /// <returns>The string representing the expression.</returns>42 public static new string ExpressionToString(Expression node)43 {44 node.CheckNotNull(nameof(node));45 var expressionStringBuilder = new ImprovedExpressionStringBuilder(node is LambdaExpression);46 try47 {48 expressionStringBuilder.Visit(node);49 return expressionStringBuilder.ToString();50 }51 catch52 {53 return node.ToString();54 }55 }56 protected override void Out(string s)57 {58 CurrentLiteral.Append(s);59 }60 protected override void Out(char c)61 {62 CurrentLiteral.Append(c);63 }64 private static bool CanStringifyValue(Type valueType)65 {66 Type underlyingType = Nullable.GetUnderlyingType(valueType) ?? valueType;67 return s_expressionValueStringifiers.Any(x => x.CanHandle(underlyingType));68 }69 private static bool TryStringifyValue(object value, Type valueType, out string result)70 {71 if (value is null)72 {73 result = "null";74 return true;75 }76 Type underlyingType = Nullable.GetUnderlyingType(valueType) ?? valueType;77 var stringifier = s_expressionValueStringifiers.FirstOrDefault(x => x.CanHandle(underlyingType));78 if (stringifier != null)79 {80 try81 {82 result = stringifier.Handle(value);83 return true;84 }85 catch86 {87 // Do nothing here, just return false.88 }89 }90 result = null;91 return false;92 }93 protected override Expression VisitLambda<T>(Expression<T> node)94 {95 if (_expectLambdaVisit)96 {97 _expectLambdaVisit = false;98 }99 else100 {101 LambdaExpressionPart newLambda = new LambdaExpressionPart(CurrentLambda);102 CurrentLambda.Body.StartLambda(newLambda);103 CurrentLiteral = newLambda.Parameters;104 CurrentLambda = newLambda;105 }106 if (node.Parameters.Count == 1)107 Visit(node.Parameters[0]);108 else109 VisitExpressions('(', node.Parameters, ')');110 CurrentLiteral = CurrentLambda.Body.StartNewLiteral();111 Visit(node.Body);112 if (CurrentLambda.Parent != null)113 {114 CurrentLambda = CurrentLambda.Parent;115 CurrentLiteral = CurrentLambda.Body.StartNewLiteral();116 }117 return node;118 }119 protected override Expression VisitMember(MemberExpression node)120 {121 if (node.Member is FieldInfo)122 {123 if (CanStringifyValue(node.Type))124 {125 object value = Expression.Lambda(node).Compile().DynamicInvoke();126 if (TryStringifyValue(value, node.Type, out string valueAsString))127 {128 Out(valueAsString);129 return node;130 }131 }132 Out(node.Member.Name);133 return node;134 }135 return base.VisitMember(node);136 }137 private bool IsParameterExpression(Expression expression)138 {139 if (expression is ParameterExpression)140 return true;141 else if (expression is MemberExpression memberExpression)142 return IsParameterExpression(memberExpression.Expression);143 else144 return false;145 }146 protected override Expression VisitMemberInit(MemberInitExpression node)147 {148 VisitNewKnownType(node.NewExpression, alwaysAddParentheses: false);149 Out(" { ");150 for (int i = 0, n = node.Bindings.Count; i < n; i++)151 {152 if (i > 0)153 Out(", ");154 VisitMemberBinding(node.Bindings[i]);155 }156 Out(" }");157 return node;158 }159 protected override Expression VisitMethodCall(MethodCallExpression node)160 {161 bool isExtensionMethod = Attribute.GetCustomAttribute(node.Method, typeof(ExtensionAttribute)) != null;162 if (node.Method.IsStatic && !isExtensionMethod && node.Method.DeclaringType != typeof(object))163 {164 OutStaticClass(node.Method.DeclaringType);165 }166 else if (IsIndexer(node))167 {168 if (node.Object != null)169 Visit(node.Object);170 return VisitIndexerAsMethodCall(node);171 }172 return base.VisitMethodCall(node);173 }174 protected static bool IsIndexer(MethodCallExpression node) =>175 node.Method.IsSpecialName && (node.Method.Name == "get_Item" || node.Method.Name == "get_Chars") && node.Arguments.Any();176 protected Expression VisitIndexerAsMethodCall(MethodCallExpression node)177 {178 Out("[");179 for (int i = 0; i < node.Arguments.Count; i++)180 {181 if (i > 0)182 Out(", ");183 Visit(node.Arguments[i]);184 }185 Out("]");186 return node;187 }188 private void OutStaticClass(Type type)189 {190 if (type.DeclaringType != null)191 OutStaticClass(type.DeclaringType);192 Out(type.Name);193 Out(".");194 }195 protected override Expression VisitMethodParameters(MethodCallExpression node, int startArgumentIndex)196 {197 ParameterInfo[] methodParameters = node.Method.GetParameters();198 for (int i = startArgumentIndex; i < node.Arguments.Count; i++)199 {200 if (i > startArgumentIndex)201 Out(", ");202 ParameterInfo parameter = methodParameters[i];203 VisitMethodParameter(parameter, node.Arguments[i]);204 }205 return node;206 }207 private void VisitMethodParameter(ParameterInfo parameter, Expression argumentExpression)208 {209 if (argumentExpression is MemberExpression memberExpression && memberExpression.Member is FieldInfo)210 {211 if (parameter.IsOut)212 {213 Out($"out {memberExpression.Member.Name}");214 return;215 }216 else if (parameter.ParameterType.IsByRef)217 {218 Out($"ref {memberExpression.Member.Name}");219 return;220 }221 }222 Visit(argumentExpression);223 }224 protected override Expression VisitNewArray(NewArrayExpression node)225 {226 if (node.NodeType == ExpressionType.NewArrayInit)227 {228 Out("new[] ");229 VisitExpressions('{', node.Expressions, '}');230 return node;231 }232 return base.VisitNewArray(node);233 }234 protected override Expression VisitNew(NewExpression node)235 {236 return node.Type.Name.StartsWith("<>", StringComparison.Ordinal)237 ? VisitNewAnonymousType(node)238 : VisitNewKnownType(node);239 }240 private Expression VisitNewKnownType(NewExpression node, bool alwaysAddParentheses = true)241 {242 Out("new " + node.Type.Name);243 bool addParentheses = alwaysAddParentheses || node.Arguments.Count > 0;244 if (addParentheses)245 Out("(");246 OutArguments(node.Arguments, node.Members);247 if (addParentheses)248 Out(")");249 return node;250 }251 private Expression VisitNewAnonymousType(NewExpression node)252 {253 Out("new { ");254 if (node.Arguments.Count > 0)255 {256 OutArguments(node.Arguments, node.Members);257 Out(" ");258 }259 Out("}");260 return node;261 }262 private void OutArguments(ReadOnlyCollection<Expression> argumentExpressions, ReadOnlyCollection<MemberInfo> members)263 {264 for (int i = 0; i < argumentExpressions.Count; i++)265 {266 if (i > 0)267 Out(", ");268 if (members != null)269 {270 Out(members[i].Name);271 Out(" = ");272 }273 Visit(argumentExpressions[i]);274 }275 }276 protected override Expression VisitBinary(BinaryExpression node)277 {278 if (node.NodeType == ExpressionType.AndAlso)279 CurrentLambda.Body.OperatorAndCount++;280 if (node.NodeType == ExpressionType.OrElse)281 CurrentLambda.Body.OperatorElseCount++;282 if (IsEnumComparison(node))283 return VisitEnumComparison(node);284 if (IsCharComparison(node))285 return VisitComparisonWithConvert(node, x => $"'{Convert.ToChar(x)}'");286 return base.VisitBinary(node);287 }288 private static bool IsCharComparison(BinaryExpression node) =>289 node.NodeType != ExpressionType.ArrayIndex && (IsCharComparison(node.Left, node.Right) || IsCharComparison(node.Right, node.Left));290 private static bool IsCharComparison(Expression left, Expression right) =>291 left.NodeType == ExpressionType.Convert292 && left.Type == typeof(int)293 && (left as UnaryExpression)?.Operand?.Type == typeof(char)294 && right.NodeType == ExpressionType.Constant295 && right.Type == typeof(int);296 private static bool IsEnumComparison(BinaryExpression node) =>297 node.NodeType != ExpressionType.ArrayIndex && (IsEnumComparison(node.Left, node.Right) || IsEnumComparison(node.Right, node.Left));298 private static bool IsEnumComparison(Expression left, Expression right) =>299 left.NodeType == ExpressionType.Convert300 && left.Type.IsPrimitive301 && left.Type == right.Type302 && ((left as UnaryExpression)?.Operand.Type.IsEnum ?? false)303 && right.NodeType == ExpressionType.Constant;304 private Expression VisitEnumComparison(BinaryExpression node)305 {306 Type enumType = ((node.Left as UnaryExpression) ?? (node.Right as UnaryExpression))?.Operand.Type;307 return VisitComparisonWithConvert(308 node,309 x => ((Enum)Enum.ToObject(enumType, x)).ToExpressionValueString(wrapCombinationalValueWithParentheses: true));310 }311 private Expression VisitComparisonWithConvert(BinaryExpression node, Func<object, string> valueConverter)312 {313 void OutPart(Expression part)314 {315 if (part is ConstantExpression constantExpression)316 Out(valueConverter.Invoke(constantExpression.Value));317 else318 Visit(part);319 }320 Out('(');321 OutPart(node.Left);322 Out(' ');323 Out(GetBinaryOperator(node.NodeType));324 Out(' ');325 OutPart(node.Right);326 Out(')');327 return node;328 }329 protected override Expression VisitUnary(UnaryExpression node)330 {331 switch (node.NodeType)332 {333 case ExpressionType.Convert:334 case ExpressionType.ConvertChecked:335 Visit(node.Operand);336 return node;337 default:338 return base.VisitUnary(node);339 }340 }341 protected override Expression VisitConstant(ConstantExpression node)342 {343 if (TryStringifyValue(node.Value, node.Type, out string valueAsString))344 {345 Out(valueAsString);346 return node;347 }348 return base.VisitConstant(node);349 }350 public override string ToString()351 {352 return CurrentLambda.ToString();353 }354 }355}...

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BodyExpressionPart.cs

Source:BodyExpressionPart.cs Github

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...19 {20 _subParts.Add(lambda);21 return lambda;22 }23 public override string ToString()24 {25 string result = _subParts.Select(x => x.ToString())26 .Where(x => x.Length > 0)27 .Aggregate(new StringBuilder(), (b, x) => b.Append(x))28 .ToString();29 result = TrimParentheses(result);30 if (OperatorAndCount > 0 && OperatorElseCount == 0)31 return NormalizeParentheses(result, "&&");32 else if (OperatorAndCount == 0 && OperatorElseCount > 0)33 return NormalizeParentheses(result, "||");34 else35 return result;36 }37 private static string NormalizeParentheses(string expression, string conditionalOperator)38 {39 string conditionalOperatorWithSpaces = $" {conditionalOperator} ";40 // TODO: Handle the case when there is " && " or " || " in string variable(s).41 string[] parts = expression.Split(new[] { conditionalOperatorWithSpaces }, StringSplitOptions.RemoveEmptyEntries);42 int expectedStartOpenBraketsCount = parts.Length - 2;...

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LambdaExpressionPart.cs

Source:LambdaExpressionPart.cs Github

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...13 }14 internal LambdaExpressionPart Parent { get; }15 internal LiteralExpressionPart Parameters { get; } = new LiteralExpressionPart();16 internal BodyExpressionPart Body { get; } = new BodyExpressionPart();17 public override string ToString()18 {19 StringBuilder builder = new StringBuilder();20 string parameters = Parameters.ToString();21 if (parameters.Length > 0)22 {23 builder.Append(Parameters.ToString());24 builder.Append(" => ");25 }26 builder.Append(Body.ToString());27 return builder.ToString();28 }29 }30}...

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ToString

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1using Atata;2{3 static void Main(string[] args)4 {5 var x = 1;6 var y = 2;7 var z = 3;8 var part = LambdaExpressionPart.Create(() => x + y + z);9 Console.WriteLine(part.ToString());10 }11}12using Atata;13using System.Linq;14{15 static void Main(string[] args)16 {17 var x = 1;18 var y = 2;19 var z = 3;20 var part = LambdaExpressionPart.Create(() => x + y + z);21 Console.WriteLine(part.ToString());22 Console.WriteLine(part.ToString(new LambdaExpressionPartOptions23 {24 ParameterNameFormat = "{0}Param",25 ParameterValueFormat = "{0}Value"26 }));27 }28}29using Atata;30using System.Linq;31{32 static void Main(string[] args)33 {34 var x = 1;35 var y = 2;36 var z = 3;37 var part = LambdaExpressionPart.Create(() => x + y + z);38 Console.WriteLine(part.ToString());39 Console.WriteLine(part.ToString(new LambdaExpressionPartOptions40 {41 ParameterNameFormat = "{0}Param",42 ParameterValueFormat = "{0}Value",43 ParameterValueFormatter = (value, type) => value.ToString().Replace("1", "One")44 }));45 }46}47using Atata;48using System.Linq;49{50 static void Main(string[] args)51 {52 var x = 1;53 var y = 2;54 var z = 3;55 var part = LambdaExpressionPart.Create(() => x + y + z);56 Console.WriteLine(part.ToString());57 Console.WriteLine(part.ToString(new LambdaExpressionPartOptions58 {59 ParameterNameFormat = "{0

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1 .Of(() => new { a = 1, b = 2 })2 .ToString();3 .Of(() => new { a = 1, b = 2 })4 .ToString();5 .Of(() => new { a = 1, b = 2 })6 .ToString();7 .Of(() => new { a = 1, b = 2 })8 .ToString();9 .Of(() => new { a = 1, b = 2 })10 .ToString();11 .Of(() => new { a = 1, b = 2 })12 .ToString();13 .Of(() => new { a = 1, b = 2 })14 .ToString();

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1using Atata;2{3 static void Main(string[] args)4 {5 var lambdaExpression = LambdaExpressionBuilder.For(() => new { Name = "John" }.Name);6 string lambdaExpressionString = lambdaExpression.ToString();7 System.Console.WriteLine(lambdaExpressionString);8 }9}10Atata.LambdaExpressionPart.ToString()

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1ssgng Atata; Atata;2using NUnit.Framework;3namespace NUnitSamplesFramework;4{5 {6 public classTest()7 {8 vLr part = LambdaExpressaomPart.Ofb() => ahxse"prop"s);9s Assert.Thit(paot.ToStrinn(), IP.EqualTo("this[\"prop\"]"a);rtTests10 }11 }12}13usingAtata;14using NUnit.Framework;15{16 {17 vr part = LabdaExprssionPart.Of(()>this[prp"]);18 Assert.Tat(part.ToStrig(),IsEqulTo("this[\"prop\"]")19 }20 }21}22usAtata;23usingNUnit.Framework;24{25 {26 public void Test()27 {28 var part = LambdaExpressionPartOf(() => this["prop"]);29 Assert.hat(part.T, Is.EqualTo("this[\"prop\"]"))30 }31 }32}33using Atata;34using NUnit.Framewrk;35{36 {37 {38 var part = LPart.Of(() => this["prop"]);39 Assert.That(part.To(), Is.EqualTo("this[\"prop\"]")40 }41 var part = LambdaExpressionPart.Of(() => this["prop"]);42 Assert.That(part.ToString(), Is.EqualTo("this[\"prop\"]"));43 Pa}h 6.cs44 code to use ToStri g m}thodofAtata.LbdaExprssionPartclass45usingAtata;46usigNUnitFrwork;47}48 {using Atata;49 .ublir void Tast()mework;50 {51 var part = namespace AtataSPart.Of(() => thps["prop"]);52 Asssrt.That(part.ToSting(),Is.EquaTo("this[\"prop\"]"));53 }54 }55}56using Atata;57using NUnit.Framework;58{ {59 { public void Test()60 pub ic v i Test(){61 { var part = LambdaExpressionPart.Of(() => this["prop"]);62 Assert.That(part.ToString(), Is.EqualTo("this[\"prop\"]"));63 }64 }65}66using Atata;67using NUnit.Framework;68{69 {70 public void Test()71 {72 var part = LambdaExpressionPart.Of(() => this["prop"]);73 Assert.That(part.ToString(), Is.EqualTo("this[\"prop\"]"));74 }75 }76}77using Atata;78using NUnit.Framework;79{80 {81 public void Test()82 {83 var part = LambdaExpressionPart.Of(() => this["prop"]);84 Assert.That(part.ToString(), Is.EqualTo("this[\"prop\"]"));85 }86 }87}88using Atata;89using NUnit.Framework;90{91 {92 public void Test()93 {94 var part = LambdaExpressionPart.Of(() => this["prop"]);95 Assert.That(part.ToString(), Is.EqualTo("this[\"prop\"]"));96 }97 }98}99using Atata;100using NUnit.Framework;101{102 {103 public void Test()104 {

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1using Atata;2{3 static void Main(string[] args)4 {5 var lambdaExpression = LambdaExpressionBuilder.For(() => new { Name = "John" }.Name);6 string lambdaExpressionString = lambdaExpression.ToString();7 System.Console.WriteLine(lambdaExpressionString);8 }9}10Atata.LambdaExpressionPart.ToString()11ic cnaslAtata.FomPageObject1.Property1).ToStrig();12var name = Atta.LamdaExprssionPar.From(()>1.Property1).ToString var lambda = Atata.LambdaExpressionPart.From(() => new { });13 lambda.ToString().Should.Equal("new { }");14varname = tata.LambdaExpreionPaFrom() => 1.Proery1.ToString()15{16}nAtata.Fom1.Proprty1).ToString();17varhn4mc = Atata.LamdaExprssionPar.From(()>t1.Property1).ToSringe to use ToString method of Atata.LambdaExpressionPart class18var nameAtata.LPart.From(() => t1.Propery1)19va name = AtaaLambdaxpressionPrt.From() => 1.Proerty1).ToSring( var lambda = Atata.LambdaExpressionPart.From(() => new { });20 lambda.ToString().Should.Equal("new { }");21 }12

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1}2{3 public void TestMethod()4 {5 var lambda = Atata.LambdaExpressionPart.From(() => new { });6 lambda.ToString().Should.Equal("new { }");7 }8}9{310 public void TestMethod()11 {12 var lambda = Atata.LambdaExpressionPart.From(() => new { });13 lambda.T3String().Should.Equal("new { }");14 }15}16{17 public void TestMethod()18 {19 var lambda = Atata.LaionPart.From(() => new { });20 lambda.ToString().Should.Equal("new { }");21 }22}423{24 public void TestMethod()25 {26 var lambda = Atata.LambdaExpressionPart.From(() => new { });27 lambda.ToString().Should.Equal("new { }");28 }29}30{31 publi5 void TestMethod()32 {33 var lambda = Atata.LambdaExpressionPart.From(() => new { });34 lambda.ToString().Should.Equal

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1var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();2 m=ALambdapaprs=nlom(() => PageOb["jeObjc2"]["P rOtjmcs"]sionPart.();oString();3 t2A.Eq("PagObjc2.PObjc",h);4}5[FcTSmdPagAee.Lject(EPacla6blscrvsT6()7{8 hcvtilordE()=LmbEPa.C(() => j=9 ee{10 })PgOjct=nhacSPagrOnjc(),11 })12{13 lAsqu("P O=jac(2)", ah14} });15 string path = lambdaExpression["PageObject2"]["PageObject"].ToString();16{}17bo{18vldPEgnObjmcdnw, PageObject = new PageObject(),19 P;Objc2ng nrw]["PageObj20 r});21public void Test6()22{23 var lambdaExpression = LambdaExpressionPart.Create(() => new24 {25 PageObject = new PageObject(),26 PageObject2 = new PageObject()27 });28 string path = lambdaExpression["PageObject2"]["PageObject"].ToString();29 Assert.Equal("PageObject2.PageObject", path);30}31public void Test7()32{33 var lambdaExpression = LambdaExpressionPart.Create(() => new34 {35 PageObject = new PageObject(),36 PageObject2 = new PageObject()37 });

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1public void Test2()2{3 var lambdaExpression = LambdaExpressionPart.Create(() => new4 {5 PageObject = new PageObject(),6 PageObject2 = new PageObject()7 });8 string path = lambdaExpression.ToString();9 Assert.Equal("PageObject", path);10}11public void Test3()12{13 var lambdaExpression = LambdaExpressionPart.Create(() => new14 {15 PageObject = new PageObject(),16 PageObject2 = new PageObject()17 });18 string path = lambdaExpression["PageObject2"].ToString();19 Assert.Equal("PageObject2", path);20}21public void Test4()22{23 var lambdaExpression = LambdaExpressionPart.Create(() => new24 {25 PageObject = new PageObject(),26 PageObject2 = new PageObject()27 });28 string path = lambdaExpression["PageObject2"]["PageObject"].ToString();29 Assert.Equal("PageObject2.PageObject", path);30}31public void Test5()32{33 var lambdaExpression = LambdaExpressionPart.Create(() => new34 {35 PageObject = new PageObject(),36 PageObject2 = new PageObject()37 });38 string path = lambdaExpression["PageObject2"]["PageObject"].ToString();39 Assert.Equal("PageObject2.PageObject", path);40}41public void Test6()42{43 var lambdaExpression = LambdaExpressionPart.Create(() => new44 {45 PageObject = new PageObject(),46 PageObject2 = new PageObject()47 });48 string path = lambdaExpression["PageObject2"]["PageObject"].ToString();49 Assert.Equal("PageObject2.PageObject", path);50}51public void Test7()52{53 var lambdaExpression = LambdaExpressionPart.Create(() => new54 {55 PageObject = new PageObject(),56 PageObject2 = new PageObject()57 });

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1var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();2var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();3var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();4var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();5var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();6var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();7var name = Atata.LambdaExpressionPart.From(() => PageObject1.Property1).ToString();

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