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add iteration interface to config

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This commit is contained in:
Green Sky
2023-12-12 16:33:50 +01:00
parent 57d7178e76
commit 0b4179c039
4 changed files with 146 additions and 0 deletions
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33
solanaceae/util/simple_config_model.hpp
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@@ -39,6 +39,39 @@ struct SimpleConfigModel : public ConfigModelI {
CM_InternalOptional<double> get_double(CM_ISV module, CM_ISV category) override;
CM_InternalOptional<CM_ISV> get_string(CM_ISV module, CM_ISV category) override;
// iteration
template<typename Type, typename RealType = Type>
struct SimpleConstEntryIteratorImpl : public ConfigModelI::ConstEntryProxy<Type>::ConstEntryIteratorI {
using BaseIteratorIType = typename ConfigModelI::ConstEntryProxy<Type>::ConstEntryIteratorI;
using MapType = std::map<std::string, RealType>;
using MapTypeIterator = typename MapType::const_iterator;
MapTypeIterator _self;
SimpleConstEntryIteratorImpl(const MapTypeIterator& self) : _self(self) {}
SimpleConstEntryIteratorImpl(void) {}
virtual ~SimpleConstEntryIteratorImpl(void) {}
std::unique_ptr<BaseIteratorIType> clone(void) override { return std::make_unique<SimpleConstEntryIteratorImpl>(_self); }
bool equal(const BaseIteratorIType& other) const override { return _self == static_cast<const SimpleConstEntryIteratorImpl&>(other)._self; }
void incrementOne(void) override { ++_self; }
Type getValue(void) const override { return _self->second; }
// helper
static ConfigModelI::ConstEntryProxy<Type> createRange(const MapTypeIterator& begin, const MapTypeIterator& end) {
return {
SimpleConstEntryIteratorImpl{begin}.clone(),
SimpleConstEntryIteratorImpl{end}.clone()
};
}
};
// level 3
ConfigModelI::ConstEntryProxy<bool> entries_bool(CM_ISV module, CM_ISV category) const override;
ConfigModelI::ConstEntryProxy<int64_t> entries_int(CM_ISV module, CM_ISV category) const override;
ConfigModelI::ConstEntryProxy<double> entries_double(CM_ISV module, CM_ISV category) const override;
ConfigModelI::ConstEntryProxy<CM_ISV> entries_string(CM_ISV module, CM_ISV category) const override;
// debug
void dump(void);
};