internal static ValidationError ValidateNameProperty(string propName, IServiceProvider context, string identifier)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
ValidationError error = null;
if (identifier == null || identifier.Length == 0)
{
error = new ValidationError(SR.GetString(SR.Error_PropertyNotSet, propName), ErrorNumbers.Error_PropertyNotSet);
}
else
{
SupportedLanguages language = CompilerHelpers.GetSupportedLanguage(context);
CodeDomProvider provider = CompilerHelpers.GetCodeDomProvider(language);
if (language == SupportedLanguages.CSharp && identifier.StartsWith("@", StringComparison.Ordinal) ||
language == SupportedLanguages.VB && identifier.StartsWith("[", StringComparison.Ordinal) && identifier.EndsWith("]", StringComparison.Ordinal) ||
!provider.IsValidIdentifier(provider.CreateEscapedIdentifier(identifier)))
{
error = new ValidationError(SR.GetString(SR.Error_InvalidIdentifier, propName, SR.GetString(SR.Error_InvalidLanguageIdentifier, identifier)), ErrorNumbers.Error_InvalidIdentifier);
}
}
if (error != null)
{
error.PropertyName = propName;
}
return(error);
}
internal static void ValidateIdentifier(IServiceProvider serviceProvider, string identifier)
{
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
SupportedLanguages language = CompilerHelpers.GetSupportedLanguage(serviceProvider);
CodeDomProvider provider = CompilerHelpers.GetCodeDomProvider(language);
if (language == SupportedLanguages.CSharp && identifier.StartsWith("@", StringComparison.Ordinal) ||
language == SupportedLanguages.VB && identifier.StartsWith("[", StringComparison.Ordinal) && identifier.EndsWith("]", StringComparison.Ordinal) ||
!provider.IsValidIdentifier(identifier))
{
throw new Exception(SR.GetString(SR.Error_InvalidLanguageIdentifier, identifier));
}
}
internal static CodeDomProvider GetCodeDomProvider(SupportedLanguages language)
{
return(CompilerHelpers.GetCodeDomProvider(language, string.Empty));
}