validateUri static method
Validate this directive, but do not check for existence. Return a code
indicating the problem if there is one, or null
no problem.
Implementation
static UriValidationCode? validateUri(
bool isImport, StringLiteral uriLiteral, String? uriContent) {
if (uriLiteral is StringInterpolation) {
return UriValidationCode.URI_WITH_INTERPOLATION;
}
if (uriContent == null) {
return UriValidationCode.INVALID_URI;
}
if (uriContent.isEmpty) {
return null;
}
Uri uri;
try {
uri = Uri.parse(Uri.encodeFull(uriContent));
} on FormatException {
return UriValidationCode.INVALID_URI;
}
if (uri.path.isEmpty) {
return UriValidationCode.INVALID_URI;
}
return null;
}