private HashSet <RazorDiagnostic> Validate()
{
HashSet <RazorDiagnostic> diagnostics = null;
if (string.IsNullOrWhiteSpace(Name))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidRestrictedChildNullOrWhitespace(_parent.GetDisplayName());
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else if (Name != TagHelperMatchingConventions.ElementCatchAllName)
{
foreach (var character in Name)
{
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidRestrictedChild(_parent.GetDisplayName(), Name, character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
return(diagnostics);
}
private HashSet <RazorDiagnostic> Validate()
{
HashSet <RazorDiagnostic> diagnostics = null;
if (string.IsNullOrWhiteSpace(Name))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeParameterNullOrWhitespace(_parent.Name);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else
{
foreach (var character in Name)
{
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeParameterName(
_parent.Name,
Name,
character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
return(diagnostics);
}
private HashSet <RazorDiagnostic> Validate()
{
HashSet <RazorDiagnostic> diagnostics = null;
if (string.IsNullOrWhiteSpace(TagName))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedTagNameNullOrWhitespace();
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else if (TagName != TagHelperMatchingConventions.ElementCatchAllName)
{
foreach (var character in TagName)
{
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedTagName(TagName, character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
if (ParentTag != null)
{
if (string.IsNullOrWhiteSpace(ParentTag))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedParentTagNameNullOrWhitespace();
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else
{
foreach (var character in ParentTag)
{
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedParentTagName(ParentTag, character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
}
return(diagnostics);
}
private HashSet <RazorDiagnostic> Validate()
{
HashSet <RazorDiagnostic> diagnostics = null;
if (string.IsNullOrWhiteSpace(Name))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedAttributeNameNullOrWhitespace();
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else
{
var name = new StringSegment(Name);
var isDirectiveAttribute = this.IsDirectiveAttribute();
if (isDirectiveAttribute && name.StartsWith("@", StringComparison.Ordinal))
{
name = name.Subsegment(1);
}
else if (isDirectiveAttribute)
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidRequiredDirectiveAttributeName(GetDisplayName(), Name);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
for (var i = 0; i < name.Length; i++)
{
var character = name[i];
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidTargetedAttributeName(Name, character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
return(diagnostics);
}
private HashSet <RazorDiagnostic> Validate()
{
// data-* attributes are explicitly not implemented by user agents and are not intended for use on
// the server; therefore it's invalid for TagHelpers to bind to them.
const string DataDashPrefix = "data-";
var isDirectiveAttribute = this.IsDirectiveAttribute();
HashSet <RazorDiagnostic> diagnostics = null;
if (string.IsNullOrWhiteSpace(Name))
{
if (IndexerAttributeNamePrefix == null)
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeNullOrWhitespace(
_parent.GetDisplayName(),
GetDisplayName());
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
else
{
if (Name.StartsWith(DataDashPrefix, StringComparison.OrdinalIgnoreCase))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeNameStartsWith(
_parent.GetDisplayName(),
GetDisplayName(),
Name);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
StringSegment name = Name;
if (isDirectiveAttribute && name.StartsWith("@", StringComparison.Ordinal))
{
name = name.Subsegment(1);
}
else if (isDirectiveAttribute)
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundDirectiveAttributeName(
_parent.GetDisplayName(),
GetDisplayName(),
Name);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
for (var i = 0; i < name.Length; i++)
{
var character = name[i];
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeName(
_parent.GetDisplayName(),
GetDisplayName(),
name.Value,
character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
if (IndexerAttributeNamePrefix != null)
{
if (IndexerAttributeNamePrefix.StartsWith(DataDashPrefix, StringComparison.OrdinalIgnoreCase))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributePrefixStartsWith(
_parent.GetDisplayName(),
GetDisplayName(),
IndexerAttributeNamePrefix);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else if (IndexerAttributeNamePrefix.Length > 0 && string.IsNullOrWhiteSpace(IndexerAttributeNamePrefix))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributeNullOrWhitespace(
_parent.GetDisplayName(),
GetDisplayName());
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
else
{
StringSegment indexerPrefix = IndexerAttributeNamePrefix;
if (isDirectiveAttribute && indexerPrefix.StartsWith("@", StringComparison.Ordinal))
{
indexerPrefix = indexerPrefix.Subsegment(1);
}
else if (isDirectiveAttribute)
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundDirectiveAttributePrefix(
_parent.GetDisplayName(),
GetDisplayName(),
indexerPrefix.Value);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
for (var i = 0; i < indexerPrefix.Length; i++)
{
var character = indexerPrefix[i];
if (char.IsWhiteSpace(character) || HtmlConventions.IsInvalidNonWhitespaceHtmlCharacters(character))
{
var diagnostic = RazorDiagnosticFactory.CreateTagHelper_InvalidBoundAttributePrefix(
_parent.GetDisplayName(),
GetDisplayName(),
indexerPrefix.Value,
character);
diagnostics ??= new();
diagnostics.Add(diagnostic);
}
}
}
}
return(diagnostics);
}