parcel 0.2.4
Wrappable, wire-transferable C++23 value system with JSON serialization
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semver.h
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1#pragma once
2
8#include <parcel/cell.h>
9#include <parcel/defaults.h>
10#include <parcel/descriptor.h>
11#include <parcel/json.h>
12
13#include <commons/json/semver.hpp>
14#include <commons/semver.hpp>
15
16#include <string>
17#include <string_view>
18
19namespace parcel {
20
25class SemVerCell : public BaseCell<SemVerCell, comms::SemVer> {
27
28public:
29 using base_t::base_t;
30 using base_t::operator=;
31
32 static constexpr std::string_view kind_id = "semver";
33
34 [[nodiscard]] std::string to_string() const override {
35 return this->value.to_string();
36 }
37
38 static cell_t from_json(json_t const& j, ParcelRegistry const&) {
39 auto v = base_t::cell_from_json<comms::SemVer>(j, kind_id);
40 auto cell = std::make_shared<SemVerCell>(v);
42 return cell;
43 }
44
45 static cell_type_descriptor_t descriptor() {
46 static const auto d = std::make_shared<SimpleCellTypeDescriptor<SemVerCell>>(DisplayInfo{
47 .name = "SemVer", .description = "Semantic version (canonical string on the wire)"});
48 return d;
49 }
50};
51
52} // namespace parcel
53
Core ICell interface, cell_t handle, BaseCell CRTP base, and CellLike concept.
std::shared_ptr< ICell > cell_t
Shared handle to any ICell-derived value — the canonical cell pointer.
Definition cell.h:68
Runtime catalog of cell-type descriptors, keyed by wire kind id.
Definition registry.h:115
Cell wrapping comms::SemVer.
Definition semver.h:25
std::string to_string() const override
Render the cell's value as a compact human-readable string.
Definition semver.h:34
The default_cell_for<T> trait that drives FieldsBuilder field-type inference.
#define PARCEL_DEFAULT_CELL(CellT)
Register a cell type as the default wrapper for its payload type.
Definition defaults.h:269
auto cell(T &&v)
Wrap a raw value into its default cell, returning a shared_ptr to the cell.
Definition defaults.h:192
Runtime cell-type descriptors and the schema-graph mix-ins (IHasFields, ISubTypes).
nlohmann::json typedef shared across cell types.
nlohmann::json json_t
Project-wide alias for nlohmann::json.
Definition json.h:19
CRTP base providing default to_json / clone / kind plumbing on top of a storage type.
Definition cell.h:343
static void absorb_display_info(json_t const &j, Out &out)
Read "d" (if present) from a JSON object and assign it onto a cell.
Definition cell.h:499
comms::SemVer value
Held value of the cell.
Definition cell.h:348