diff options
Diffstat (limited to 'src/libutil')
-rw-r--r-- | src/libutil/args.cc | 8 | ||||
-rw-r--r-- | src/libutil/args.hh | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/libutil/args.cc b/src/libutil/args.cc index 9377fe4c0..eb11fd64b 100644 --- a/src/libutil/args.cc +++ b/src/libutil/args.cc @@ -60,6 +60,7 @@ void Args::parseCmdline(const Strings & _cmdline) verbosity = lvlError; } + bool argsSeen = false; for (auto pos = cmdline.begin(); pos != cmdline.end(); ) { auto arg = *pos; @@ -88,6 +89,10 @@ void Args::parseCmdline(const Strings & _cmdline) throw UsageError("unrecognised flag '%1%'", arg); } else { + if (!argsSeen) { + argsSeen = true; + initialFlagsProcessed(); + } pos = rewriteArgs(cmdline, pos); pendingArgs.push_back(*pos++); if (processArgs(pendingArgs, false)) @@ -96,6 +101,9 @@ void Args::parseCmdline(const Strings & _cmdline) } processArgs(pendingArgs, true); + + if (!argsSeen) + initialFlagsProcessed(); } bool Args::processFlag(Strings::iterator & pos, Strings::iterator end) diff --git a/src/libutil/args.hh b/src/libutil/args.hh index 88f068087..4721c21df 100644 --- a/src/libutil/args.hh +++ b/src/libutil/args.hh @@ -132,6 +132,10 @@ protected: std::set<std::string> hiddenCategories; + /* Called after all command line flags before the first non-flag + argument (if any) have been processed. */ + virtual void initialFlagsProcessed() {} + public: void addFlag(Flag && flag); |