SpecDataValueCollection.h

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#pragma once
 
#include <Specs/API.h>
#include <collections.h>
 
#include <string>
 
namespace SpecsCpp {
 
    class SpecDataValueCollection : public ISpecDataValueCollection {
        collections_map<std::string, ISpecDataValue*> _values;
 
        void merge_foreach(ISpecDataValue* value) { add(value); }
 
        FunctionPointer<void(ISpecDataValue*)> _merge_foreach =
            function_pointer(this, &SpecDataValueCollection::merge_foreach);
 
    public:
        ~SpecDataValueCollection() override {
            for (auto& [key, value] : _values) delete value;
        }
 
        void add(ISpecDataValue* value) override { _values.emplace(value->key(), value); }
        ISpecDataValue* get(const char* key) const override {
            auto found = _values.find(key);
            return found == _values.end() ? nullptr : found->second;
        }
        bool has(const char* key) const override {
            auto found = _values.find(key);
            return found != _values.end();
        }
        void foreach_value(ForEachSpecDataFn* fn) const override {
            for (auto& [key, value] : _values) fn->invoke(value);
        }
        void merge(ISpecDataValueCollection* other) override {
            other->foreach_value(&_merge_foreach);
        }
        void clear() override { _values.clear(); }
    };
}