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Merge pull request #126 from andrewnicols/typeNormalisation
Type normalisation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| <?php | ||
|
|
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| // This file is part of Moodle - https://moodle.org/ | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| namespace MoodleHQ\MoodleCS\moodle\Tests\Util; | ||
|
|
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| use MoodleHQ\MoodleCS\moodle\Tests\MoodleCSBaseTestCase; | ||
| use MoodleHQ\MoodleCS\moodle\Util\TypeUtil; | ||
| use PHP_CodeSniffer\Config; | ||
| use PHP_CodeSniffer\Files\DummyFile; | ||
| use PHP_CodeSniffer\Ruleset; | ||
|
|
||
| /** | ||
| * Test the Tokens specific utilities class | ||
| * | ||
| * | ||
| * @copyright Andrew Lyons <andrew@nicols.co.uk> | ||
| * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| * @covers \MoodleHQ\MoodleCS\moodle\Util\TypeUtil | ||
| */ | ||
| final class TypeUtilTest extends MoodleCSBaseTestCase | ||
| { | ||
| /** | ||
| * @dataProvider getValidTypesProvider | ||
| */ | ||
| public function testGetValidTypes(string $type, string $expected): void { | ||
| $config = new Config(); | ||
| $fileContent = <<<EOF | ||
| <?php | ||
| /** @var {$type} Type description */ | ||
| EOF; | ||
| $file = new DummyFile($fileContent, new Ruleset($config), $config); | ||
| $file->process(); | ||
| $ptr = $file->findNext(T_DOC_COMMENT_STRING, 0); | ||
|
|
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| $this->assertEquals( | ||
| $expected, | ||
| TypeUtil::getValidatedType($file, $ptr, $type), | ||
| ); | ||
| } | ||
|
|
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| public static function getValidTypesProvider(): array { | ||
| return [ | ||
| ['string', 'string'], | ||
| ['int', 'int'], | ||
| ['integer', 'int'], | ||
| ['float', 'float'], | ||
| ['real', 'float'], | ||
| ['double', 'float'], | ||
| ['array', 'array'], | ||
| ['array()', 'array'], | ||
| ['ARRAY()', 'array'], | ||
| ['INT', 'int'], | ||
| ['Boolean', 'bool'], | ||
| ['NULL', 'null'], | ||
| ['FALSE', 'false'], | ||
| ['true', 'true'], | ||
|
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| // Various array syntaxes. | ||
| ['string[]', 'string[]'], | ||
| ['array(int => string)', 'string[]'], | ||
| ['array(int)', 'int[]'], | ||
| ['array(int > string)', 'array'], | ||
|
|
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| // Union types. | ||
| ['string|int', 'string|int'], | ||
| ['string|integer', 'string|int'], | ||
| ['real|integer', 'float|int'], | ||
|
|
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| // Some example Moodle classes. | ||
| [\core\formatting::class, \core\formatting::class], | ||
| [\core\output\notification::class, \core\output\notification::class], | ||
| [\core_renderer::class, \core_renderer::class], | ||
|
|
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| // Standard types. | ||
| ['Traversable', 'Traversable'], | ||
| [\ArrayAccess::class, \ArrayAccess::class], | ||
| ['DateTimeImmutable', 'DateTimeImmutable'], | ||
| ]; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| <?php | ||
|
|
||
| // This file is part of Moodle - https://moodle.org/ | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| namespace MoodleHQ\MoodleCS\moodle\Util; | ||
|
|
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| use PHP_CodeSniffer\Files\File; | ||
|
|
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| /** | ||
| * Utility class for handling types. | ||
| * | ||
| * @copyright Andrew Lyons <andrew@nicols.co.uk> | ||
| * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class TypeUtil | ||
| { | ||
| /** | ||
| * An array of variable types for param/var we will check. | ||
| * | ||
| * @var string[] | ||
| */ | ||
| protected static array $allowedTypes = [ | ||
| 'array', | ||
| 'bool', | ||
| 'false', | ||
| 'float', | ||
| 'int', | ||
| 'mixed', | ||
| 'null', | ||
| 'object', | ||
| 'string', | ||
| 'true', | ||
| 'resource', | ||
| 'callable', | ||
| ]; | ||
|
|
||
| /** | ||
| * Standardise a type to a known type. | ||
| * | ||
| * @param string $type The type to standardise. | ||
| * @return string|null | ||
| */ | ||
| public static function standardiseType(string $type): ?string { | ||
| $type = strtolower($type); | ||
| if (in_array($type, self::$allowedTypes, true)) { | ||
| return $type; | ||
| } | ||
|
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| switch ($type) { | ||
| case 'array()': | ||
| return 'array'; | ||
| case 'boolean': | ||
| return 'bool'; | ||
| case 'double': | ||
| case 'real': | ||
| return 'float'; | ||
| case 'integer': | ||
| return 'int'; | ||
| default: | ||
| return null; | ||
| } | ||
| } | ||
|
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|
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| /** | ||
| * Returns a valid variable type for param/var tags. | ||
| * | ||
| * If type is not one of the standard types, it must be a custom type. | ||
| * Returns the correct type name suggestion if type name is invalid. | ||
| * | ||
| * @param File $phpcsFile The file being scanned. | ||
| * @param int $stackPtr The position of the current token in the stack passed in $tokens. | ||
| * @param string $varType The variable type to process. | ||
| * @return string | ||
| */ | ||
| public static function suggestType( | ||
| File $phpcsFile, | ||
| int $stackPtr, | ||
| string $varType | ||
| ): string { | ||
| $lowerVarType = strtolower($varType); | ||
| if ($normalisedType = self::standardiseType($lowerVarType)) { | ||
| return $normalisedType; | ||
| } | ||
| if (substr($varType, -2) === '[]') { | ||
| return sprintf( | ||
| '%s[]', | ||
| self::suggestType($phpcsFile, $stackPtr, substr($varType, 0, -2)) | ||
| ); | ||
| } | ||
|
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| if (strpos($lowerVarType, 'array(') !== false) { | ||
| // Valid array declaration: | ||
| // array, array(type), array(type1 => type2). | ||
| $matches = []; | ||
| $pattern = '/^array\(\s*([^\s^=^>]*)(\s*=>\s*(.*))?\s*\)/i'; | ||
| if (preg_match($pattern, $varType, $matches) !== 0) { | ||
| $type1 = ''; | ||
| if (isset($matches[1]) === true) { | ||
| $type1 = $matches[1]; | ||
| } | ||
|
|
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| $type2 = ''; | ||
| if (isset($matches[3]) === true) { | ||
| $type2 = $matches[3]; | ||
| } | ||
|
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| $type1 = self::suggestType($phpcsFile, $stackPtr, $type1); | ||
| $type2 = self::suggestType($phpcsFile, $stackPtr, $type2); | ||
|
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| // Note: The phpdoc array syntax only allows you to describe the array value type. | ||
| // https://docs.phpdoc.org/latest/guide/guides/types.html#arrays | ||
| if ($type1 && !$type2) { | ||
| // This is an array of [type2, type2, type2]. | ||
| return "{$type1}[]"; | ||
| } | ||
| // This is an array of [type1 => type2, type1 => type2, type1 => type2]. | ||
| return "{$type2}[]"; | ||
| } else { | ||
| return 'array'; | ||
| } | ||
| } | ||
|
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| // Must be a custom type name. | ||
| return $varType; | ||
| } | ||
|
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| /** | ||
| * Validate a type in its entirety. | ||
| * | ||
| * The method currently supports built-in types, and Union types. | ||
| * It does not currently support DNF, or other complex types. | ||
| * | ||
| * @param File $phpcsFile The file being scanned. | ||
| * @param int $stackPtr The position of the current token in the stack passed in $tokens. | ||
| * @param string $type The type to validate. | ||
| * @return string The validated type. | ||
| */ | ||
| public static function getValidatedType( | ||
| File $phpcsFile, | ||
| int $stackPtr, | ||
| string $type | ||
| ): string { | ||
| $types = explode('|', $type); | ||
| $validatedTypes = []; | ||
| foreach ($types as $type) { | ||
| $validatedTypes[] = self::suggestType($phpcsFile, $stackPtr, $type); | ||
| } | ||
| return implode('|', $validatedTypes); | ||
| } | ||
| } |