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58 lines
1.6 KiB
58 lines
1.6 KiB
<?php
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/** @license MIT
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* Copyright 2021 Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace dW\Highlighter\Grammar;
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class Registry {
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protected static array $grammars = [];
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public static function clear(): bool {
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self::$grammars = [];
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return true;
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}
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public static function delete(string $scopeName): bool {
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try {
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unset(self::$grammars[$scopeName]);
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} catch (Exception $e) {
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return false;
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}
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return true;
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}
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public static function get(string $scopeName): array|bool {
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foreach (self::$grammars as $grammar) {
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if ($grammar['scopeName'] === $scopeName) {
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return $grammar;
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}
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}
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return false;
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}
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public static function set(string $grammarPath, bool $force = false): bool {
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if (!file_exists($grammarPath)) {
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throw new \Exception("Path \"$grammarPath\" either does not exist or you do not have permission to view the file.");
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}
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$grammar = json_decode(file_get_contents($grammarPath), true);
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if ($grammar === null) {
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throw new \Exception("\"$grammarPath\" is not a valid grammar file.");
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}
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if (!isset($grammar['scopeName'])) {
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throw new \Exception("\"$grammarPath\" is missing the required scopeName property.");
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}
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if (!$force && isset(self::$grammars[$grammar['scopeName']])) {
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throw new \Exception("Grammar \"{$grammar['scopeName']}\" already exists.");
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}
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self::$grammars[$grammar['scopeName']] = $grammar;
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return true;
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}
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}
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