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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celema\Verba\Tool; |
| 6 | |
| 7 | use UnexpectedValueException; |
| 8 | |
| 9 | /** |
| 10 | * Reads and renders a `<domain>.<locale>.php` catalog for the sync tooling, |
| 11 | * exposing the raw message, context, and obsolete sections plus the optional |
| 12 | * plural key. Rendering is deterministic: sections are key-sorted and values |
| 13 | * are emitted as plain single-quoted literals. |
| 14 | * |
| 15 | * @api |
| 16 | */ |
| 17 | final class CatalogFile |
| 18 | { |
| 19 | /** |
| 20 | * @param array<array-key, string|list<string>|null> $messages |
| 21 | * @param array<array-key, string|list<string>|null> $obsolete |
| 22 | * @param array<array-key, array<array-key, string|list<string>|null>> $contexts |
| 23 | * @param array<array-key, array<array-key, string|list<string>|null>> $obsoleteContexts |
| 24 | */ |
| 25 | public function __construct( |
| 26 | public array $messages, |
| 27 | public array $obsolete, |
| 28 | public ?string $plural, |
| 29 | public array $contexts = [], |
| 30 | public array $obsoleteContexts = [], |
| 31 | ) {} |
| 32 | |
| 33 | public static function load(string $file): self |
| 34 | { |
| 35 | /** @var mixed $data */ |
| 36 | $data = is_file($file) ? (require $file) : []; |
| 37 | |
| 38 | if (!is_array($data)) { |
| 39 | $data = []; |
| 40 | } |
| 41 | |
| 42 | return new self( |
| 43 | self::section($data['messages'] ?? null, $file, 'messages'), |
| 44 | self::section($data['obsolete'] ?? null, $file, 'obsolete'), |
| 45 | self::pluralKey($data['plural'] ?? null), |
| 46 | self::contexts($data['contexts'] ?? null, $file, 'contexts'), |
| 47 | self::contexts($data['obsolete_contexts'] ?? null, $file, 'obsolete_contexts'), |
| 48 | ); |
| 49 | } |
| 50 | |
| 51 | private static function pluralKey(mixed $plural): ?string |
| 52 | { |
| 53 | return is_string($plural) ? $plural : null; |
| 54 | } |
| 55 | |
| 56 | public function render(): string |
| 57 | { |
| 58 | $lines = ['<?php', '', 'declare(strict_types=1);', '', 'return [']; |
| 59 | |
| 60 | if ($this->plural !== null) { |
| 61 | $lines[] = "\t'plural' => " . $this->quote($this->plural) . ','; |
| 62 | } |
| 63 | |
| 64 | $lines[] = "\t'messages' => ["; |
| 65 | |
| 66 | foreach ($this->rows($this->messages) as $row) { |
| 67 | $lines[] = $row; |
| 68 | } |
| 69 | |
| 70 | $lines[] = "\t],"; |
| 71 | $this->appendContexts($lines, 'contexts', $this->contexts); |
| 72 | |
| 73 | if ($this->obsolete !== []) { |
| 74 | $lines[] = "\t'obsolete' => ["; |
| 75 | |
| 76 | foreach ($this->rows($this->obsolete) as $row) { |
| 77 | $lines[] = $row; |
| 78 | } |
| 79 | |
| 80 | $lines[] = "\t],"; |
| 81 | } |
| 82 | |
| 83 | $this->appendContexts($lines, 'obsolete_contexts', $this->obsoleteContexts); |
| 84 | $lines[] = '];'; |
| 85 | $lines[] = ''; |
| 86 | |
| 87 | return implode("\n", $lines); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * @param array<array-key, string|list<string>|null> $section |
| 92 | * @return list<string> |
| 93 | */ |
| 94 | private function rows(array $section, int $depth = 2): array |
| 95 | { |
| 96 | ksort($section, SORT_STRING); |
| 97 | $indent = str_repeat("\t", $depth); |
| 98 | $rows = []; |
| 99 | |
| 100 | foreach ($section as $id => $value) { |
| 101 | $rows[] = $indent . $this->quote((string) $id) . ' => ' . $this->value($value) . ','; |
| 102 | } |
| 103 | |
| 104 | return $rows; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * @param list<string> $lines |
| 109 | * @param array<array-key, array<array-key, string|list<string>|null>> $contexts |
| 110 | */ |
| 111 | private function appendContexts(array &$lines, string $name, array $contexts): void |
| 112 | { |
| 113 | $contexts = array_filter($contexts, static fn(array $messages): bool => $messages !== []); |
| 114 | |
| 115 | if ($contexts === []) { |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | ksort($contexts, SORT_STRING); |
| 120 | $lines[] = "\t'{$name}' => ["; |
| 121 | |
| 122 | foreach ($contexts as $context => $messages) { |
| 123 | $lines[] = "\t\t" . $this->quote((string) $context) . ' => ['; |
| 124 | |
| 125 | foreach ($this->rows($messages, 3) as $row) { |
| 126 | $lines[] = $row; |
| 127 | } |
| 128 | |
| 129 | $lines[] = "\t\t],"; |
| 130 | } |
| 131 | |
| 132 | $lines[] = "\t],"; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @param string|list<string>|null $value |
| 137 | */ |
| 138 | private function value(string|array|null $value): string |
| 139 | { |
| 140 | if ($value === null) { |
| 141 | return 'null'; |
| 142 | } |
| 143 | |
| 144 | if (is_string($value)) { |
| 145 | return $this->quote($value); |
| 146 | } |
| 147 | |
| 148 | return '[' . implode(', ', array_map($this->quote(...), $value)) . ']'; |
| 149 | } |
| 150 | |
| 151 | private function quote(string $value): string |
| 152 | { |
| 153 | return "'" . str_replace(['\\', "'"], ['\\\\', "\\'"], $value) . "'"; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * @return array<array-key, string|list<string>|null> |
| 158 | */ |
| 159 | private static function section(mixed $value, string $file, string $path): array |
| 160 | { |
| 161 | if (!is_array($value)) { |
| 162 | return []; |
| 163 | } |
| 164 | |
| 165 | $section = []; |
| 166 | |
| 167 | /** @var mixed $entry */ |
| 168 | foreach ($value as $id => $entry) { |
| 169 | if (!self::isEntry($entry)) { |
| 170 | throw new UnexpectedValueException( |
| 171 | "Invalid catalog entry {$path}['{$id}'] in '{$file}': " |
| 172 | . 'expected a string, a list of strings, or null', |
| 173 | ); |
| 174 | } |
| 175 | |
| 176 | $section[$id] = $entry; |
| 177 | } |
| 178 | |
| 179 | return $section; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * @psalm-assert-if-true string|list<string>|null $entry |
| 184 | */ |
| 185 | private static function isEntry(mixed $entry): bool |
| 186 | { |
| 187 | if ($entry === null || is_string($entry)) { |
| 188 | return true; |
| 189 | } |
| 190 | |
| 191 | return ( |
| 192 | is_array($entry) |
| 193 | && array_is_list($entry) |
| 194 | && array_all($entry, static fn(mixed $form): bool => is_string($form)) |
| 195 | ); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * @return array<array-key, array<array-key, string|list<string>|null>> |
| 200 | */ |
| 201 | private static function contexts(mixed $value, string $file, string $name): array |
| 202 | { |
| 203 | if (!is_array($value)) { |
| 204 | return []; |
| 205 | } |
| 206 | |
| 207 | $contexts = []; |
| 208 | |
| 209 | foreach ($value as $context => $messages) { |
| 210 | if (!is_array($messages)) { |
| 211 | continue; |
| 212 | } |
| 213 | |
| 214 | $contexts[$context] = self::section($messages, $file, "{$name}['{$context}']"); |
| 215 | } |
| 216 | |
| 217 | return $contexts; |
| 218 | } |
| 219 | } |