47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
#pragma once
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#define DECLARE_COMMON_HEAD(classname, base, filename, key, tbl_type) \
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class classname : public base \
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{ \
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protected: \
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friend class MetaMgr; \
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static constexpr int table_type = tbl_type; \
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static constexpr const char* prim_key = #key; \
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static constexpr const char* table_name= #filename; \
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static std::vector<classname*> raw_list; \
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static std::map<long long, classname*> id_hash; \
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static std::map<std::string, classname*> name_hash;
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#define DECLARE_ID_TABLE(classname, base, filename, key) \
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DECLARE_COMMON_HEAD(classname, base, filename, key, 1) \
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public: \
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static classname* GetById(long long id) \
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{ \
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auto itr = id_hash.find(id); \
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return itr != id_hash.end() ? itr->second : nullptr; \
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};
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#define DECLARE_AUTO_ID_TABLE(classname, base, filename) \
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DECLARE_COMMON_HEAD(classname, base, filename, key, 0) \
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public: \
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static classname* GetById(long long id) \
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{ \
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auto itr = id_hash.find(id); \
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return itr != id_hash.end() ? itr->second : nullptr; \
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};
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#define DECLARE_NAME_TABLE(classname, base, filename, key) \
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DECLARE_COMMON_HEAD(classname, base, filename, key, 2) \
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public: \
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static classname* GetByName(const std::string& name) \
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{ \
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auto itr = name_hash.find(name); \
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return itr != name_hash.end() ? itr->second : nullptr; \
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};
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#define IMPL_TABLE(classname) \
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std::vector<classname*> classname::raw_list; \
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std::map<long long, classname*> classname::id_hash; \
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std::map<std::string, classname*> classname::name_hash;
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