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152 righe
2.5 KiB
152 righe
2.5 KiB
#pragma once
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#include <gp/pair.hpp>
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#include <gp/optional.hpp>
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#include <gp/variant.hpp>
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#include <gp/vector.hpp>
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namespace gp {
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enum class cbor_type {
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uint = 0,
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nint = 1,
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bstr = 2,
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tstr = 3,
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list = 4,
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hmap = 5,
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tags = 6,
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oths = 7
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};
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enum class cbor_oths {
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value_false = 20,
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value_true = 21,
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value_null = 22,
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value_undefined = 23,
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byte = 24,
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word = 25,
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dword = 26,
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qword = 27,
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terminator = 31
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};
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enum class cbor_tags {
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datetime = 0,
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unix_time = 1,
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ubignum = 2,
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nbignum = 3,
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decimal = 4,
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bigfloat = 5,
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cose_encrypt0 = 16,
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cose_mac0 = 17,
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cose_sign1 = 18,
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expected_base64url = 21,
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expected_base64 = 22,
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expected_base16 = 23,
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encoded_cbor = 24,
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url = 32,
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base64url = 33,
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base64 = 34,
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regexp = 35,
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mime = 36,
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cose_encrypt = 96,
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cose_mac = 97,
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cose_sign = 98,
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signature = 55799
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};
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using cbor_number = gp::fixed_variant<
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int8_t,
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uint8_t,
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int16_t,
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uint16_t,
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int32_t,
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uint32_t,
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int64_t,
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uint64_t
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>;
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using cbor_floating_point = gp::fixed_variant<
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float,
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double
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>;
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struct undefined_t final {};
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template<typename T>
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using cbor_composite = gp::fixed_variant<
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cbor_number,
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gp::buffer<std::byte>,
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bool,
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gp::vector<T>,
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gp::vector<gp::pair<T, T>>,
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gp::nullopt_t,
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undefined_t,
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cbor_floating_point
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>;
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class cbor_value {
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cbor_composite<cbor_value> contents;
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gp::reference_wrapper<allocator> alloc;
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public:
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cbor_value(allocator& alloc_v)
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: contents(cbor_composite<cbor_value>(undefined_t{}))
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, alloc(alloc_v)
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{}
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cbor_value(cbor_number number, allocator& alloc_v)
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: contents(number)
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, alloc(alloc_v)
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{}
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cbor_value(const cbor_value& oth)
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: contents(oth.contents)
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, alloc(oth.alloc)
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{}
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cbor_value(cbor_value&& oth)
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: contents(gp::move(oth.contents))
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, alloc(gp::move(oth.alloc))
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{}
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cbor_value& operator=(cbor_value& value) {
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contents = value.contents;
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alloc = value.alloc;
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return *this;
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}
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cbor_value& operator=(cbor_value&& value) {
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gp::swap(contents, value.contents);
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gp::swap(alloc, value.alloc);
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return *this;
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}
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cbor_value& operator=(cbor_composite<cbor_value>& value) {
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contents = value;
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return *this;
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}
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template<typename T>
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cbor_value& operator=(T& value) {
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contents = value;
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return *this;
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}
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template<typename T>
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cbor_value& operator=(T&& value) {
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contents = gp::move(value);
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return *this;
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}
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auto new_array() {
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return gp::vector<cbor_value>{alloc};
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}
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auto new_object() {
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return gp::vector<gp::pair<cbor_value, cbor_value>>{alloc};
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}
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};
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}
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