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LibCore: Support fine-grained failure behavior for ArgsParser

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This commit is contained in:
Jelle Raaijmakers 2021-06-06 01:11:56 +02:00 • committed by Andreas Kling
parent 1dc31842cb
commit 250f8eccf3
4 changed files with 38 additions and 30 deletions
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9
Userland/Libraries/LibCore/ArgsParser.h
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@ -22,6 +22,13 @@ public:
No
};
enum class FailureBehavior {
PrintUsageAndExit,
PrintUsage,
Exit,
Ignore,
};
struct Option {
bool requires_argument { true };
const char* help_string { nullptr };
@ -46,7 +53,7 @@ public:
Function<bool(const char*)> accept_value;
};
bool parse(int argc, char** argv, bool exit_on_failure = true);
bool parse(int argc, char* const* argv, FailureBehavior failure_behavior = FailureBehavior::PrintUsageAndExit);
// *Without* trailing newline!
void set_general_help(const char* help_string) { m_general_help = help_string; };
void print_usage(FILE*, const char* argv0);