public void WriterConstructedWithoutContentLengthAndSourceFile_AddsLinePragmas_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 1, 20);
var expected = string.Join(Environment.NewLine,
@"#line 2 ""myfile""",
"Hello world",
"",
"#line default",
"#line hidden",
"");
var expectedMappings = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(18, 1, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, "myfile"))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal(expected, writer.GenerateCode());
Assert.Empty(writer.LineMappingManager.Mappings);
}
protected override CSharpCodeWritingScope BuildClassDeclaration(CSharpCodeWriter writer)
{
// Grab the last model chunk so it gets intellisense.
var modelChunk = ChunkHelper.GetModelChunk(Context.CodeTreeBuilder.CodeTree);
Model = modelChunk != null ? modelChunk.ModelType : _defaultModel;
// If there were any model chunks then we need to modify the class declaration signature.
if (modelChunk != null)
{
writer.Write(string.Format(CultureInfo.InvariantCulture, "public class {0} : ", Context.ClassName));
var modelVisitor = new ModelChunkVisitor(writer, Context);
// This generates the base class signature
modelVisitor.Accept(modelChunk);
writer.WriteLine();
return new CSharpCodeWritingScope(writer);
}
else
{
return base.BuildClassDeclaration(writer);
}
}
public void WriterConstructedWithoutContentLengthAndSourceFile_AddsLinePragmas_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 1, 20);
var expected = string.Join(Environment.NewLine,
@"#line 2 ""myfile""",
"Hello world",
"",
"#line default",
"#line hidden",
"");
var expectedMappings = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(18, 1, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, "myfile"))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal(expected, writer.GenerateCode());
Assert.Empty(writer.LineMappingManager.Mappings);
}
protected override CSharpCodeWritingScope BuildClassDeclaration(CSharpCodeWriter writer)
{
// Grab the last model chunk so it gets intellisense.
// NOTE: If there's more than 1 model chunk there will be a Razor error BUT we want intellisense to
// show up on the current model chunk that the user is typing.
var modelChunk = Context.CodeTreeBuilder.CodeTree.Chunks.OfType<ModelChunk>()
.LastOrDefault();
Model = modelChunk != null ? modelChunk.ModelType : _hostOptions.DefaultModel;
// If there were any model chunks then we need to modify the class declaration signature.
if (modelChunk != null)
{
writer.Write(string.Format(CultureInfo.InvariantCulture, "public class {0} : ", Context.ClassName));
var modelVisitor = new ModelChunkVisitor(writer, Context);
// This generates the base class signature
modelVisitor.Accept(modelChunk);
writer.WriteLine();
return new CSharpCodeWritingScope(writer);
}
else
{
return base.BuildClassDeclaration(writer);
}
}
public override CodeBuilderResult Build()
{
var writer = new CSharpCodeWriter();
if (!Host.DesignTimeMode && !string.IsNullOrEmpty(Context.Checksum))
{
writer.Write("#pragma checksum \"")
.Write(Context.SourceFile)
.Write("\" \"")
.Write(Sha1AlgorithmId)
.Write("\" \"")
.Write(Context.Checksum)
.WriteLine("\"");
}
using (writer.BuildNamespace(Context.RootNamespace))
{
// Write out using directives
AddImports(Tree, writer, Host.NamespaceImports);
// Separate the usings and the class
writer.WriteLine();
new CSharpClassAttributeVisitor(writer, Context).Accept(Tree.Chunks);
using (BuildClassDeclaration(writer))
{
if (Host.DesignTimeMode)
{
writer.WriteLine("private static object @__o;");
}
var csharpCodeVisitor = CreateCSharpCodeVisitor(writer, Context);
new CSharpHelperVisitor(csharpCodeVisitor, writer, Context).Accept(Tree.Chunks);
new CSharpTypeMemberVisitor(csharpCodeVisitor, writer, Context).Accept(Tree.Chunks);
new CSharpDesignTimeHelpersVisitor(csharpCodeVisitor, writer, Context).AcceptTree(Tree);
new CSharpTagHelperFieldDeclarationVisitor(writer, Context).Accept(Tree.Chunks);
BuildConstructor(writer);
// Add space inbetween constructor and method body
writer.WriteLine();
using (writer.BuildDisableWarningScope(DisableAsyncWarning))
{
using (writer.BuildMethodDeclaration("public override async", "Task", Host.GeneratedClassContext.ExecuteMethodName))
{
csharpCodeVisitor.Accept(Tree.Chunks);
}
}
}
}
return(new CodeBuilderResult(writer.GenerateCode(), writer.LineMappingManager.Mappings));
}
private void RenderBufferedAttributeValueAccessor(CSharpCodeWriter writer)
{
if (_designTimeMode)
{
// There is no value buffer in design time mode but we still want to write out a value. We write a
// value to ensure the tag helper's property type is string.
writer.Write("string.Empty");
}
else
{
writer.WriteInstanceMethodInvocation(StringValueBufferVariableName,
"ToString",
endLine: false);
}
}
public void WriterConstructedWithContentLength_AddsLineMappings_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 15, 20);
var expected = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(0, 0, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, 30))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal("Hello world", writer.GenerateCode());
var mapping = Assert.Single(writer.LineMappingManager.Mappings);
Assert.Equal(expected, mapping);
}
public void WriterConstructedWithContentLength_AddsLineMappings_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 15, 20);
var expected = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(0, 0, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, 30))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal("Hello world", writer.GenerateCode());
var mapping = Assert.Single(writer.LineMappingManager.Mappings);
Assert.Equal(expected, mapping);
}
public override void RenderAttributeValue(
TagHelperAttributeDescriptor attributeInfo,
CSharpCodeWriter writer,
CodeBuilderContext context,
Action<CSharpCodeWriter> renderAttributeValue,
bool complexValue)
{
writer.Write("**From custom attribute code renderer**: ");
base.RenderAttributeValue(attributeInfo, writer, context, renderAttributeValue, complexValue);
}
