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[common] track if option set failed and print help if so

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This commit is contained in:
Geoffrey McRae 2019-05-12 16:51:37 +10:00
parent b662128708
commit 2fe9dc7ca1
3 changed files with 41 additions and 27 deletions
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2
VERSION
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@ -1 +1 @@
a12-185-ge22f33a44b+1 a12-186-gb662128708+1

4
common/include/common/option.h
View file

@ -51,7 +51,11 @@ struct Option
bool (*validator)(struct Option * opt, const char ** error); bool (*validator)(struct Option * opt, const char ** error);
char * (*toString )(struct Option * opt); char * (*toString )(struct Option * opt);
StringList (*getValues)(struct Option * opt); StringList (*getValues)(struct Option * opt);
void (*printHelp)(); void (*printHelp)();
// internal use only
bool failed_set;
}; };
// register an NULL terminated array of options // register an NULL terminated array of options

18
common/src/option.c
View file

@ -220,7 +220,14 @@ void option_free()
static bool option_set(struct Option * opt, const char * value) static bool option_set(struct Option * opt, const char * value)
{ {
return opt->parser(opt, value); if (!opt->parser(opt, value))
{
opt->failed_set = true;
return false;
}
opt->failed_set = false;
return true;
} }
bool option_parse(int argc, char * argv[]) bool option_parse(int argc, char * argv[])
@ -266,7 +273,6 @@ bool option_parse(int argc, char * argv[])
if (!option_set(o, value)) if (!option_set(o, value))
{ {
DEBUG_ERROR("Failed to set the option value");
free(arg); free(arg);
continue; continue;
} }
@ -456,8 +462,12 @@ bool option_validate()
{ {
struct Option * o = &state.options[i]; struct Option * o = &state.options[i];
const char * error = NULL; const char * error = NULL;
if (o->validator) bool invalid = o->failed_set;
if (!o->validator(o, &error))
if (!invalid && o->validator)
invalid = !o->validator(o, &error);
if (invalid)
{ {
printf("\nInvalid value provided to the option: %s:%s\n", o->module, o->name); printf("\nInvalid value provided to the option: %s:%s\n", o->module, o->name);