File Core/Schema/Implementation.php | Nexus MCP SDK (1.x-dev) API

1:	<?php
2:
3:	declare(strict_types=1);
4:
5:	/**
6:	* This file is part of the Nexus MCP SDK package.
7:	*
8:	* (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9:	*
10:	* For the full copyright and license information, please view
11:	* the LICENSE file that was distributed with this source code.
12:	*/
13:
14:	namespace Nexus\Mcp\Core\Schema;
15:
16:	use Nexus\Assert\Assert;
17:
18:	/**
19:	* Describes the MCP implementation.
20:	*
21:	* @implements Arrayable<array{
22:	* name: non-empty-string,
23:	* version: non-empty-string,
24:	* title?: non-empty-string,
25:	* description?: non-empty-string,
26:	* websiteUrl?: non-empty-string,
27:	* icons?: list<template-type<Icon, Arrayable, 'T'>>,
28:	* }>
29:	*
30:	* @see https://modelcontextprotocol.io/specification/2026-07-28/schema#implementation
31:	*/
32:	final readonly class Implementation extends BaseMetadata implements Arrayable, Icons
33:	{
34:	/**
35:	* @param non-empty-string $version
36:	* @param null\|non-empty-string $description
37:	* @param null\|non-empty-string $websiteUrl
38:	* @param null\|list<Icon> $icons
39:	*/
40:	public function __construct(
41:	string $name,
42:	public string $version,
43:	?string $title = null,
44:	public ?string $description = null,
45:	public ?string $websiteUrl = null,
46:	public ?array $icons = null,
47:	) {
48:	parent::__construct(name: $name, title: $title);
49:
50:	Assert::that($version)->isNonEmptyString('"version" must be a non-empty string.');
51:	Assert::that($description)->nullOr()->isNonEmptyString('"description" must be a non-empty string or null.');
52:	Assert::that($websiteUrl)
53:	->nullOr()
54:	->isNonEmptyString('"websiteUrl" must be a non-empty string or null.')
55:	->matchesRegularExpression('/\Ahttps?:\/\/\S+\z/', '"websiteUrl" must be an HTTP or HTTPS URL.')
56:	;
57:
58:	if (null !== $icons) {
59:	Assert::that($icons)->values()->isInstanceOf(Icon::class);
60:	}
61:	}
62:
63:	#[\Override]
64:	public static function fromArray(array $data): static
65:	{
66:	Assert::that($data)->hasOffset('name', 'missing the required "name" key.');
67:	$name = $data['name'];
68:	Assert::that($name)->isNonEmptyString('"name" must be a non-empty string, {type} given.');
69:
70:	Assert::that($data)->hasOffset('version', 'missing the required "version" key.');
71:	$version = $data['version'];
72:	Assert::that($version)->isNonEmptyString('"version" must be a non-empty string, {type} given.');
73:
74:	$title = $data['title'] ?? null;
75:	Assert::that($title)->nullOr()->isNonEmptyString('"title" must be a non-empty string or null, {type} given.');
76:
77:	$description = $data['description'] ?? null;
78:	Assert::that($description)->nullOr()->isNonEmptyString('"description" must be a non-empty string or null, {type} given.');
79:
80:	$websiteUrl = $data['websiteUrl'] ?? null;
81:	Assert::that($websiteUrl)->nullOr()->isNonEmptyString('"websiteUrl" must be a non-empty string or null, {type} given.');
82:
83:	$icons = null;
84:
85:	if (isset($data['icons'])) {
86:	Assert::that($data['icons'])
87:	->isList('"icons" must be a list, {type} given.')
88:	->values()
89:	->isArray('each implementation "icons" must be an object, {type} given.')
90:	->isMap('each implementation "icons" must be a string-keyed object.')
91:	;
92:	$icons = array_map(Icon::fromArray(...), $data['icons']);
93:	}
94:
95:	return new self(
96:	name: $name,
97:	version: $version,
98:	title: $title,
99:	description: $description,
100:	websiteUrl: $websiteUrl,
101:	icons: $icons,
102:	);
103:	}
104:
105:	#[\Override]
106:	public function toArray(): array
107:	{
108:	$data = [
109:	'name' => $this->name,
110:	'version' => $this->version,
111:	];
112:
113:	if (null !== $this->title) {
114:	$data['title'] = $this->title;
115:	}
116:
117:	if (null !== $this->description) {
118:	$data['description'] = $this->description;
119:	}
120:
121:	if (null !== $this->websiteUrl) {
122:	$data['websiteUrl'] = $this->websiteUrl;
123:	}
124:
125:	if (null !== $this->icons) {
126:	$data['icons'] = array_map(static fn(Icon $icon): array => $icon->toArray(), $this->icons);
127:	}
128:
129:	return $data;
130:	}
131:
132:	#[\Override]
133:	public function jsonSerialize(): array
134:	{
135:	return $this->toArray();
136:	}
137:	}
138:

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