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cmCommandLineArgument supports ZeroOrOne arguments

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This allows us to parse command line arguments such as `-j` || `-j2`
This commit is contained in:
Robert Maynard
2020-12-29 14:02:08 -05:00
committed by Brad King
parent 0fb78576b0
commit b34db1db69
1 changed files with 10 additions and 2 deletions
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Source/cmCommandLineArgument.h
+10 -2
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@@ -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)...)