5d235b51f3
tmp commit tmp commit v2 Finished reimplementation of propertys. They now can be placed in a holder with different source of type information. Tmp commit
100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#pragma once
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#include "storage/model/properties/properties.hpp"
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#include "storage/type_group_edge.hpp"
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#include "storage/type_group_vertex.hpp"
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template <class Buffer>
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struct JsonWriter
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{
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public:
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JsonWriter(Buffer &buffer) : buffer(buffer) { buffer << '{'; };
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void handle(const StoredProperty<TypeGroupEdge> &prop)
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{
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handle<TypeGroupEdge>(prop);
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}
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void handle(const StoredProperty<TypeGroupVertex> &prop)
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{
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handle<TypeGroupVertex>(prop);
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}
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template <class TG>
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void handle(const StoredProperty<TG> &prop)
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{
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if (!first) buffer << ',';
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if (first) first = false;
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buffer << '"' << prop.get_property_key().family_name() << "\":";
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prop.accept(*this);
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}
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void handle(const Null &v) { buffer << "NULL"; }
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void handle(const Bool &b) { buffer << (b ? "true" : "false"); }
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void handle(const String &s) { buffer << '"' << s << '"'; }
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void handle(const Int32 &int32) { buffer << std::to_string(int32.value()); }
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void handle(const Int64 &int64) { buffer << std::to_string(int64.value()); }
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void handle(const Float &f) { buffer << std::to_string(f.value()); }
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void handle(const Double &d) { buffer << std::to_string(d.value()); }
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// Not yet implemented
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void handle(const ArrayBool &) { assert(false); }
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// Not yet implemented
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void handle(const ArrayInt32 &) { assert(false); }
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// Not yet implemented
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void handle(const ArrayInt64 &) { assert(false); }
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// Not yet implemented
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void handle(const ArrayFloat &) { assert(false); }
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// Not yet implemented
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void handle(const ArrayDouble &) { assert(false); }
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// Not yet implemented
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void handle(const ArrayString &) { assert(false); }
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void finish() { buffer << '}'; }
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private:
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bool first{true};
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Buffer &buffer;
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};
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class StringBuffer
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{
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public:
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StringBuffer &operator<<(const std::string &str)
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{
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data += str;
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return *this;
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}
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StringBuffer &operator<<(const char *str)
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{
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data += str;
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return *this;
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}
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StringBuffer &operator<<(char c)
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{
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data += c;
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return *this;
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}
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std::string &str() { return data; }
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private:
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std::string data;
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};
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