protected override void UpdateValue()
{
CodeDomProvider provider = base.GetProvider();
string expr = "(";
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(Left, writer, new CodeGeneratorOptions());
expr += writer.ToString();
expr += ")";
}
if (_shiftLeft)
{
expr += " << ";
}
else
{
expr += " >> ";
}
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(Right, writer, new CodeGeneratorOptions());
expr += string.Format("({0})", writer.ToString());
}
Value = expr;
}
private void tv_Elements_MouseMove(object sender, MouseEventArgs e)
{
if (tv_Elements.SelectedItem != null && e.LeftButton == MouseButtonState.Pressed && e.OriginalSource.GetType() == typeof(TextBlock))
{
XmlElement element = tv_Elements.SelectedItem as XmlElement;
SapCompInfo ci = new SapCompInfo();
ci.Id = element.GetAttribute("id");
ci.Type = element.GetAttribute("type");
ci.Name = element.GetAttribute("name");
ci.FindMethod = ci.FindByNameCode();
CodeDomProvider provider = CodeDomProvider.CreateProvider("c#");
CodeGeneratorOptions options = new CodeGeneratorOptions();
options.BracingStyle = "C";
StringBuilder sb = new StringBuilder();
try
{
using (TextWriter sourceWriter = new StringWriter(sb))
{
provider.GenerateCodeFromExpression(ci.FindMethod, sourceWriter, options);
}
DragDrop.DoDragDrop(tv_Elements, sb.ToString(), DragDropEffects.Copy);
e.Handled = true;
}
catch
{
}
}
}
private string CodeToString(CodeExpression expr)
{
using (TextWriter tx = new StringWriter()) {
provider.GenerateCodeFromExpression(expr, tx, new CodeGeneratorOptions());
return(tx.ToString());
}
}
protected override void UpdateValue()
{
CodeDomProvider provider = GetProvider();
string prefix = null;
switch (this.LanguageType)
{
case Transform.LanguageType.CSharp:
prefix = "! (";
break;
case Transform.LanguageType.VisualBasic:
prefix = "Not (";
break;
default:
ThrowInvalidEnumValue(this.LanguageType);
return;
}
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(Expression, writer, new CodeGeneratorOptions());
Value = prefix + writer.ToString() + ")";
}
}
protected override void UpdateValue()
{
CodeDomProvider provider = base.GetProvider();
string expr = null;
switch (_direction)
{
case FieldDirection.Out:
expr = "out ";
break;
case FieldDirection.Ref:
expr = "ref ";
break;
default:
expr = string.Empty;
break;
}
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(_symbolExpr, writer, new CodeGeneratorOptions());
expr += writer.ToString();
}
Value = expr;
}
private string GetTypeName(Type type, bool lastOnly)
{
string name = "";
CodeDomProvider codeDomProvider = CodeDomProvider.CreateProvider("C#");
CodeTypeReferenceExpression typeReferenceExpression = new CodeTypeReferenceExpression(new CodeTypeReference(type));
using (StringWriter writer = new StringWriter())
{
codeDomProvider.GenerateCodeFromExpression(typeReferenceExpression, writer, new CodeGeneratorOptions());
name = writer.GetStringBuilder().ToString();
}
if (lastOnly)
{
int index = name.LastIndexOf('.');
if (index == -1)
{
return(name);
}
index++;
int length = name.Length - index;
return(name.Substring(index, length));
}
else
{
return(name);
}
}
/// <summary>
/// Gets the friendly name of the given type.
/// </summary>
public static string GetFriendlyName(this Type src)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
using CodeDomProvider codeDomProvider = CodeDomProvider.CreateProvider("C#");
var typeReferenceExpression = new CodeTypeReferenceExpression(new CodeTypeReference(src));
using var writer = new StringWriter();
codeDomProvider.GenerateCodeFromExpression(typeReferenceExpression, writer, new CodeGeneratorOptions());
//
// Ezt a nevet meg nem lehet eleresi utvonalakban hasznalni (tartalmaz "<" es ">" karaktereket).
//
string unsafeName = writer.GetStringBuilder().ToString();
return(Replacer.Replace(unsafeName, m => m.Groups[0].Value switch
{
"<" => "{",
">" => "}",
_ => throw new NotImplementedException()
}));
/// <summary>
/// 转为文字，比如''转为'
/// </summary>
/// <param name="value">要转换的字符串</param>
/// <returns>转换后的文字</returns>
public static string ToLiteral(this string value)
{
CodeDomProvider cdp = CodeDomProvider.CreateProvider("CSharp");
StringWriter sw = new StringWriter();
cdp.GenerateCodeFromExpression(new CodePrimitiveExpression(value), sw, null);
return(sw.ToString());
}
// courtesy of http://metasharp.net/index.php?title=More_technical_Csharp#Generating_the_.27is.27_operator
public static string ExpressionToString(CodeExpression expr, CodeDomProvider provider)
{
using (TextWriter m = new StringWriter())
{
provider.GenerateCodeFromExpression(expr, m, new CodeGeneratorOptions());
return(m.ToString());
}
}
public void GenerateDeclaration(TextWriter tw, CodeDomProvider provider, CodeGeneratorOptions opts, CodeTypeReference returnType, CodeParameterDeclarationExpression[] parameters)
{
tw.Write(string.Format("public static {0} operator ", OperatorName));
provider.GenerateCodeFromExpression(new CodeTypeReferenceExpression(returnType), tw, opts);
tw.Write("(");
for (int i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
provider.GenerateCodeFromExpression(parameter, tw, opts);
if (i != (parameters.Length - 1))
{
tw.Write(", ");
}
}
tw.WriteLine(")");
}
private static string Serialize(CodeExpression expression)
{
CodeDomProvider provider = CodeDomProvider.CreateProvider("C#");
StringWriter stringWriter = new StringWriter();
provider.GenerateCodeFromExpression(expression, stringWriter, new CodeGeneratorOptions());
return(stringWriter.ToString());
}
public static string escape(string input)
{
using (StringWriter writer = new StringWriter()) {
using (CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp")) {
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(input), writer, null);
return(writer.ToString());
}
}
}
protected override void UpdateValue()
{
CodeDomProvider provider = GetProvider();
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(Expression, writer, new CodeGeneratorOptions());
Value = "-" + writer.ToString();
}
}
private string GetTypeName(Type type)
{
var typeReferenceExpression = new CodeTypeReferenceExpression(new CodeTypeReference(type));
using (var writer = new StringWriter())
{
_codeDomProvider.GenerateCodeFromExpression(typeReferenceExpression, writer, new CodeGeneratorOptions());
return(writer.GetStringBuilder().ToString());
}
}
private static string GetTypeAsString(Type type)
{
CodeDomProvider codeDomProvider = CodeDomProvider.CreateProvider("C#");
CodeTypeReference typeReference = new CodeTypeReference(type);
CodeTypeReferenceExpression typeReferenceExpression = new CodeTypeReferenceExpression(typeReference);
using (StringWriter typeStringWriter = new StringWriter()) {
codeDomProvider.GenerateCodeFromExpression(typeReferenceExpression, typeStringWriter, new CodeGeneratorOptions());
return(typeStringWriter.GetStringBuilder().ToString());
}
}
/// <summary>
/// 生成类型
/// </summary>
/// <param name="expression">表达式</param>
/// <returns>代码结构</returns>
public static string GenerateExpression(CodeExpression expression)
{
using (var sw = new StringWriter(new StringBuilder()))
{
codeDomProvider.GenerateCodeFromExpression(expression, sw, new CodeGeneratorOptions
{
ElseOnClosing = true,
});
return(sw.ToString());
}
}
private static void WriteLine(StreamWriter writer, CodeDomProvider provider, string line)
{
writer.Write(" ");
if (line.StartsWith("\t"))
{
writer.Write("@");
}
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(line), writer, null);
writer.WriteLine(",");
}
private static string GetCSharpStringOf(Type type)
{
CodeDomProvider codeDomProvider = CodeDomProvider.CreateProvider("C#");
CodeTypeReferenceExpression expression = new CodeTypeReferenceExpression(new CodeTypeReference(type));
string result;
using (StringWriter stringWriter = new StringWriter())
{
codeDomProvider.GenerateCodeFromExpression(expression, stringWriter, new CodeGeneratorOptions());
result = stringWriter.GetStringBuilder().ToString();
}
return(result);
}
/// <summary>
/// Gets the <see cref="NRParameter" /> as a C# string.
/// </summary>
/// <param name="parameter">The parameter to get the code for.</param>
/// <returns>A string representing the parameter.</returns>
public static string Declaration(this NRParameter parameter)
{
string extensionParam = parameter.IsExtensionParameter ? "this " : "";
string attributes = parameter.Attributes.Aggregate("", (current, nrAttribute) => current + nrAttribute.Declaration( ));
attributes = AddSpace(attributes);
string modifier = AddSpace(parameter.ParameterModifier.Declaration( ));
string type = parameter.Type.Declaration( );
if (type.EndsWith("&"))
{
type = type.Substring(0, type.Length - 1);
}
string defaultValue = "";
if (!string.IsNullOrWhiteSpace(parameter.DefaultValue))
{
if (parameter.TypeFullName == typeof(string).FullName)
{
using (StringWriter writer = new StringWriter( ))
{
using (CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp"))
{
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(parameter.DefaultValue), writer, null);
defaultValue = " = " + writer;
}
}
}
else if (parameter.TypeFullName == typeof(char).FullName)
{
using (StringWriter writer = new StringWriter( ))
{
using (CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp"))
{
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(parameter.DefaultValue[0]), writer, null);
defaultValue = " = " + writer;
}
}
}
else
{
defaultValue = " = " + parameter.DefaultValue;
}
}
return(string.Format("{0}{1}{2}{3} {4}{5}", attributes, extensionParam, modifier, type, parameter.Name, defaultValue));
}
public static void ShowTypeReferenceExpression()
{
//<Snippet3>
// Creates an expression referencing the System.DateTime type.
CodeTypeReferenceExpression typeRef1 = new CodeTypeReferenceExpression("System.DateTime");
// Create a C# code provider
CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
// Generate code and send the output to the console
provider.GenerateCodeFromExpression(typeRef1, Console.Out, new CodeGeneratorOptions());
// The code generator produces the following source code for the preceeding example code:
// System.DateTime
//</Snippet3>
}
public static string ToStringLiteral(string input)
{
if (string.IsNullOrEmpty(input))
{
return("");
}
if (input.StartsWith("`"))
{
using (StringWriter writer = new StringWriter())
{
s_provider.GenerateCodeFromExpression(new CodePrimitiveExpression(RemoveSurrounding(input, "`", "`")), writer, s_generatorOptions);
return(writer.ToString());
}
}
return(input);
}
public static void ShowTypeReference()
{
//<Snippet2>
// Creates a reference to the System.DateTime type.
CodeTypeReference typeRef1 = new CodeTypeReference("System.DateTime");
// Creates a typeof expression for the specified type reference.
CodeTypeOfExpression typeof1 = new CodeTypeOfExpression(typeRef1);
// Create a C# code provider
CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
// Generate code and send the output to the console
provider.GenerateCodeFromExpression(typeof1, Console.Out, new CodeGeneratorOptions());
// The code generator produces the following source code for the preceeding example code:
// typeof(System.DateTime)
//</Snippet2>
}
public string PrimitiveToLiteral(object input)
{
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(input), writer, null);
var result = writer.ToString();
// Remove trailing 'f' from float
if (input is float && !string.IsNullOrEmpty(result))
{
result = result.ToLower();
if (result.EndsWith("f"))
{
result = result.Substring(0, result.Length - 1);
}
}
return(result);
}
}
private static string BuildCodeExtractingModelType(CodeDomProvider provider)
{
var getType = new CodeMethodInvokeExpression
(
new CodeThisReferenceExpression(),
"GetType"
);
var baseType = new CodeFieldReferenceExpression
(
getType,
"BaseType"
);
var getFirstGenericArgument = new CodeArrayIndexerExpression
(
new CodeMethodInvokeExpression
(
baseType,
"GetGenericArguments"
),
new CodePrimitiveExpression(0)
);
var fullName = new CodeFieldReferenceExpression
(
getFirstGenericArgument,
"FullName"
);
string modelTypeCode;
using (var writer = new StringWriter())
{
provider.GenerateCodeFromExpression(fullName, writer, new CodeGeneratorOptions());
modelTypeCode = writer.ToString();
}
return(modelTypeCode);
}
private string Serialize(CodeExpression codeExpression)
{
StringWriter stringWriter = new StringWriter();
CodeDomProvider provider = CodeDomProvider.CreateProvider("C#");
provider.GenerateCodeFromExpression(codeExpression, stringWriter, new CodeGeneratorOptions());
String expression = stringWriter.ToString().Trim().Replace(stringWriter.NewLine, " ");
int startRemove = -1;
int removeCount = 0;
for (int i = 0; i < expression.Length; i++)
{
if (expression[i] == ' ')
{
if (startRemove == -1)
{
startRemove = i;
}
else
{
removeCount++;
}
}
else
{
if (removeCount != 0)
{
expression = expression.Remove(startRemove, removeCount);
removeCount = 0;
}
startRemove = -1;
}
}
return(expression);
}
/// <summary>
///
/// </summary>
/// <param name="InputString"></param>
/// <param name="LanguageProvider"></param>
/// <returns></returns>
public static string ToLiteral(string InputString, string LanguageProvider)
{
string str = string.Empty;
try
{
using (StringWriter writer = new StringWriter())
{
using (CodeDomProvider provider = CodeDomProvider.CreateProvider(LanguageProvider))
{
provider.GenerateCodeFromExpression(new CodePrimitiveExpression(InputString), writer, null);
str = writer.ToString();
}
}
}
catch (Exception e)
{
str = $"Message: {e.Message}{Environment.NewLine}" +
$"Source: {e.Source}{Environment.NewLine}" +
$"StackTrace: {e.StackTrace}{Environment.NewLine}";
}
return(str);
}
private static string GenerateCode(CodeObject c, CodeDomProvider provider)
{
var sb = new StringBuilder();
var writer = new StringWriter(sb);
var options = new CodeGeneratorOptions();
if (c is CodeStatement)
{
provider.GenerateCodeFromStatement((CodeStatement)c, writer, options);
}
else if (c is CodeCompileUnit)
{
provider.GenerateCodeFromCompileUnit((CodeCompileUnit)c, writer, options);
}
else if (c is CodeExpression)
{
provider.GenerateCodeFromExpression((CodeExpression)c, writer, options);
}
else if (c is CodeTypeMember)
{
provider.GenerateCodeFromMember((CodeTypeMember)c, writer, options);
}
else if (c is CodeTypeDeclaration)
{
provider.GenerateCodeFromType((CodeTypeDeclaration)c, writer, options);
}
else if (c is CodeNamespace)
{
provider.GenerateCodeFromNamespace((CodeNamespace)c, writer, options);
}
else
{
Assert.False(true, $"Unknown type: {c.GetType()}");
}
return(sb.ToString());
}
private static string GenerateCode(CodeObject c, CodeDomProvider provider)
{
var sb = new StringBuilder();
var writer = new StringWriter(sb);
var options = new CodeGeneratorOptions();
if (c is CodeStatement)
{
provider.GenerateCodeFromStatement((CodeStatement)c, writer, options);
}
else if (c is CodeCompileUnit)
{
provider.GenerateCodeFromCompileUnit((CodeCompileUnit)c, writer, options);
}
else if (c is CodeExpression)
{
provider.GenerateCodeFromExpression((CodeExpression)c, writer, options);
}
else if (c is CodeTypeMember)
{
provider.GenerateCodeFromMember((CodeTypeMember)c, writer, options);
}
else if (c is CodeTypeDeclaration)
{
provider.GenerateCodeFromType((CodeTypeDeclaration)c, writer, options);
}
else if (c is CodeNamespace)
{
provider.GenerateCodeFromNamespace((CodeNamespace)c, writer, options);
}
else
{
throw new ArgumentException($"Tests not set up for unexpected type: {c.GetType()}");
}
return(sb.ToString());
}
public void GenerateCodeFromExpression(CodeExpression e, TextWriter w, CodeGeneratorOptions o)
{
provider.GenerateCodeFromExpression(e, w, o);
}
protected override void ProcessRecord()
{
if (CompileUnit != null && CompileUnit.Length > 0)
{
foreach (CodeCompileUnit compileUnit in CompileUnit)
{
if (compileUnit != null)
{
_provider.GenerateCodeFromCompileUnit(compileUnit, _indentedWriter, Options);
}
}
}
else if (Expression != null && Expression.Length > 0)
{
foreach (CodeExpression expr in Expression)
{
if (expr != null)
{
_provider.GenerateCodeFromExpression(expr, _indentedWriter, Options);
}
}
}
else if (Member != null && Member.Length > 0)
{
foreach (CodeTypeMember member in Member)
{
if (member != null)
{
_provider.GenerateCodeFromMember(member, _indentedWriter, Options);
}
}
}
else if (NS != null && NS.Length > 0)
{
foreach (CodeNamespace ns in NS)
{
if (ns != null)
{
_provider.GenerateCodeFromNamespace(ns, _indentedWriter, Options);
}
}
}
else if (Statement != null && Statement.Length > 0)
{
foreach (CodeStatement st in Statement)
{
if (st != null)
{
_provider.GenerateCodeFromStatement(st, _indentedWriter, Options);
}
}
}
else if (Type != null && Type.Length > 0)
{
foreach (CodeTypeDeclaration t in Type)
{
if (t != null)
{
_provider.GenerateCodeFromType(t, _indentedWriter, Options);
}
}
}
}
