/// <summary>
/// Instantiates a new instance of <see cref="TagHelperDirectiveDescriptor"/>.
/// </summary>
/// <param name="directiveText">A <see cref="string"/> used to understand tag helper
/// <see cref="System.Type"/>s.</param>
/// <param name="location">The <see cref="SourceLocation"/> of the directive.</param>
/// <param name="directiveType">The <see cref="TagHelperDirectiveType"/> of this directive.</param>
public TagHelperDirectiveDescriptor([NotNull] string directiveText,
SourceLocation location,
TagHelperDirectiveType directiveType)
{
DirectiveText = directiveText;
Location = location;
DirectiveType = directiveType;
}
/// <summary>
/// Instantiates a new instance of <see cref="TagHelperDirectiveDescriptor"/>.
/// </summary>
/// <param name="directiveText">A <see cref="string"/> used to understand tag helper
/// <see cref="System.Type"/>s.</param>
/// <param name="location">The <see cref="SourceLocation"/> of the directive.</param>
/// <param name="directiveType">The <see cref="TagHelperDirectiveType"/> of this directive.</param>
public TagHelperDirectiveDescriptor([NotNull] string directiveText,
SourceLocation location,
TagHelperDirectiveType directiveType)
{
DirectiveText = directiveText;
Location = location;
DirectiveType = directiveType;
}
private static TagHelperDirectiveDescriptor CreateDirectiveDescriptor(
string directiveText,
TagHelperDirectiveType directiveType)
{
return(new TagHelperDirectiveDescriptor
{
DirectiveText = directiveText,
Location = SourceLocation.Undefined,
DirectiveType = directiveType
});
}
private TagHelperDirectiveDescriptor CreateDirective(
Span span,
string directiveText,
TagHelperDirectiveType directiveType,
List <RazorDiagnostic> diagnostics)
{
directiveText = directiveText.Trim();
if (directiveText.Length >= 2 &&
directiveText.StartsWith("\"", StringComparison.Ordinal) &&
directiveText.EndsWith("\"", StringComparison.Ordinal))
{
directiveText = directiveText.Substring(1, directiveText.Length - 2);
}
// If this is the "string literal" form of a directive, we'll need to postprocess the location
// and content.
//
// Ex: @addTagHelper "*, Microsoft.AspNetCore.CoolLibrary"
// ^ ^
// Start End
var directiveStart = span.Start;
if (span.Symbols.Count == 1 && (span.Symbols[0] as CSharpSymbol)?.Type == CSharpSymbolType.StringLiteral)
{
var offset = span.Content.IndexOf(directiveText, StringComparison.Ordinal);
// This is safe because inside one of these directives all of the text needs to be on the
// same line.
var original = span.Start;
directiveStart = new SourceLocation(
original.FilePath,
original.AbsoluteIndex + offset,
original.LineIndex,
original.CharacterIndex + offset);
}
var directiveDescriptor = new TagHelperDirectiveDescriptor
{
DirectiveText = directiveText,
Location = directiveStart,
DirectiveType = directiveType,
Diagnostics = diagnostics,
};
return(directiveDescriptor);
}
// Internal for testing purposes.
internal TagHelperDirectiveDescriptor(string directiveText,
TagHelperDirectiveType directiveType)
: this(directiveText, SourceLocation.Zero, directiveType)
{
}
private static TagHelperDirectiveDescriptor CreateDirectiveDescriptor(
string directiveText,
TagHelperDirectiveType directiveType)
{
return new TagHelperDirectiveDescriptor(directiveText, SourceLocation.Undefined, directiveType);
}
private static TagHelperDirectiveDescriptor CreateDirectiveDescriptor(
string directiveText,
TagHelperDirectiveType directiveType)
{
return new TagHelperDirectiveDescriptor
{
DirectiveText = directiveText,
Location = SourceLocation.Undefined,
DirectiveType = directiveType
};
}
// Internal for testing purposes.
internal TagHelperDirectiveDescriptor(string directiveText,
TagHelperDirectiveType directiveType)
: this(directiveText, SourceLocation.Zero, directiveType)
{
}
