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[common] seperate validator and clean up output

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This commit is contained in:
Geoffrey McRae 2019-05-11 11:35:17 +10:00
parent 9886316e07
commit 86c7286aad
3 changed files with 22 additions and 4 deletions
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2
VERSION
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@ -1 +1 @@
a12-172-g8a3356859c+1 a12-173-g9886316e07+1

5
common/include/common/option.h
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@ -52,7 +52,7 @@ struct Option
const char * description; const char * description;
struct OptionValue value; struct OptionValue value;
bool (*validator)(struct OptionValue * value); bool (*validator)(struct OptionValue * value, const char ** error);
void (*printHelp)(); void (*printHelp)();
}; };
@ -68,6 +68,9 @@ bool option_get_bool (const char * module, const char * name);
// called by the main application to parse the command line arguments // called by the main application to parse the command line arguments
bool option_parse(int argc, char * argv[]); bool option_parse(int argc, char * argv[]);
// called by the main application to validate the option values
bool option_validate();
// print out the options, help, and their current values // print out the options, help, and their current values
void option_print(); void option_print();

19
common/src/option.c
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@ -199,23 +199,38 @@ bool option_parse(int argc, char * argv[])
free(arg); free(arg);
} }
return true;
}
bool option_validate()
{
// validate the option values // validate the option values
bool ok = true; bool ok = true;
for(int i = 0; i < state.oCount; ++i) for(int i = 0; i < state.oCount; ++i)
{ {
struct Option * o = &state.options[i]; struct Option * o = &state.options[i];
const char * error = NULL;
if (o->validator) if (o->validator)
if (!o->validator(&o->value)) if (!o->validator(&o->value, &error))
{ {
DEBUG_ERROR("Invalid value provided to option %s:%s", o->module, o->name); printf("\nInvalid value provided to the option: %s:%s\n", o->module, o->name);
if (error)
printf("\n Error: %s\n", error);
if (o->printHelp) if (o->printHelp)
{
printf("\n");
o->printHelp(); o->printHelp();
}
ok = false; ok = false;
} }
} }
if (!ok)
printf("\n");
return ok; return ok;
} }