diff options
| -rw-r--r-- | Source/cmCommandLineArgument.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Source/cmCommandLineArgument.h b/Source/cmCommandLineArgument.h index aa96305..16564dd 100644 --- a/Source/cmCommandLineArgument.h +++ b/Source/cmCommandLineArgument.h @@ -13,6 +13,7 @@ struct cmCommandLineArgument Zero, One, Two, + ZeroOrOne, }; std::string InvalidSyntaxMessage; @@ -72,11 +73,18 @@ struct cmCommandLineArgument parseState = ParseMode::SyntaxError; } - } else if (this->Type == Values::One) { + } else if (this->Type == Values::One || this->Type == Values::ZeroOrOne) { if (input.size() == this->Name.size()) { ++index; if (index >= allArgs.size() || allArgs[index][0] == '-') { - parseState = ParseMode::ValueError; + if (this->Type == Values::ZeroOrOne) { + parseState = + this->StoreCall(std::string{}, std::forward<CallState>(state)...) + ? ParseMode::Valid + : ParseMode::Invalid; + } else { + parseState = ParseMode::ValueError; + } } else { parseState = this->StoreCall(allArgs[index], std::forward<CallState>(state)...) |