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Adding place to inject code before callbacks

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Henry Fredrick Schreiner 2017-02-04 11:44:23 -05:00
parent 915c68703f
commit c5cab1feb6
1 changed files with 4 additions and 0 deletions
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4
include/CLI.hpp
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@ -1111,6 +1111,9 @@ public:
return make_set(name, options, discription, opts|opts2, args...); return make_set(name, options, discription, opts|opts2, args...);
} }
/// This allows subclasses to inject code before callbacks but after parse
virtual void pre_callback() {}
/// Parses the command line - throws errors /// Parses the command line - throws errors
void parse(int argc, char **argv) { void parse(int argc, char **argv) {
progname = argv[0]; progname = argv[0];
@ -1172,6 +1175,7 @@ public:
if(positionals.size()>0) if(positionals.size()>0)
throw PositionalError("[" + detail::join(positionals) + "]"); throw PositionalError("[" + detail::join(positionals) + "]");
pre_callback();
run_callback(); run_callback();
} }