fbd9ca8420
Query and import works. Properties now use unordered_map. Reduced memory footprint of properties by more than half.
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
#pragma once
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#include <cassert>
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#include "utils/total_ordering.hpp"
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#include "utils/underlying_cast.hpp"
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enum class Flags : unsigned
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{
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// Type | Mask
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// -----------+----------------------------------------
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// Null | 0000 0000 0000 0000 0000 0000 0000 0000
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// -----------+----------------------------------------
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// Bool | 0000 0000 0000 0000 0000 0000 0000 0001
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// + True | 0000 0000 0000 0000 0000 0000 0000 0011
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// + False | 0000 0000 0000 0000 0000 0000 0000 0101
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// -----------+----------------------------------------
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// String | 0000 0000 0000 0000 0000 0000 0000 1000
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// -----------+----------------------------------------
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// Number | 0000 0000 0000 0000 0000 0000 0001 0000
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// + Integral | 0000 0000 0000 0000 0000 0000 0011 0000
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// + Int32 | 0000 0000 0000 0000 0000 0000 0111 0000
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// + Int64 | 0000 0000 0000 0000 0000 0000 1011 0000
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// + Floating | 0000 0000 0000 0000 0000 0001 0001 0000
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// + Float | 0000 0000 0000 0000 0000 0011 0001 0000
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// + Double | 0000 0000 0000 0000 0000 0101 0001 0000
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// -----------+----------------------------------------
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// Array | 0000 0000 0000 0000 0001 0000 0000 0000
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// -----------+----------------------------------------
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Null = 0x0,
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Bool = 0x1,
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// TODO remove this two values
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True = 0x2 | Bool,
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False = 0x4 | Bool,
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String = 0x8,
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Number = 0x10,
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Integral = 0x20 | Number,
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Int32 = 0x40 | Integral,
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Int64 = 0x80 | Integral,
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Floating = 0x100 | Number,
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Float = 0x200 | Floating,
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Double = 0x400 | Floating,
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Array = 0x1000,
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ArrayBool = (Bool << 13) | Array,
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ArrayString = (String << 13) | Array,
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ArrayInt32 = (Int32 << 13) | Array,
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ArrayInt64 = (Int64 << 13) | Array,
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ArrayFloat = (Float << 13) | Array,
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ArrayDouble = (Double << 13) | Array,
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type_mask = 0xFFF
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};
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// Mask to turn flags into type. It passes all bits except 0x2 and 0x4 which
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// correspond
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// to True and False.
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const unsigned flags_equal_mask = 0xFF9;
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class Type : public TotalOrdering<Type>
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{
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public:
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Type(Flags f) : value(underlying_cast(f) & flags_equal_mask)
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{
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Flags o = Flags(value);
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assert(o == Flags::Null || o == Flags::Bool || o == Flags::String ||
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o == Flags::Int32 || o == Flags::Int64 || o == Flags::Float ||
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o == Flags::Double || o == Flags::Array);
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}
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const std::string to_str()
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{
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switch (Flags(value)) {
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case Flags::Null:
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return "null";
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case Flags::Bool:
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return "bool";
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case Flags::String:
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return "str";
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case Flags::Int32:
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return "int32";
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case Flags::Int64:
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return "int64";
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case Flags::Float:
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return "float";
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case Flags::Double:
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return "double";
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case Flags::Array:
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return "array";
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default:
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assert(false);
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return "err_unknown_type_" + std::to_string(value);
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}
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}
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bool operator==(Flags other) const { return *this == Type(other); }
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bool operator!=(Flags other) const { return *this != Type(other); }
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friend bool operator<(const Type &lhs, const Type &rhs)
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{
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return lhs.value < rhs.value;
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}
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friend bool operator==(const Type &lhs, const Type &rhs)
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{
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return lhs.value == rhs.value;
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}
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private:
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const unsigned value;
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};
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