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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\Utilities; |
| 5 | |
| 6 | use InvalidArgumentException; |
| 7 | use RuntimeException; |
| 8 | use Spyc; |
| 9 | |
| 10 | /** |
| 11 | * A wrapper class to provide interface to parse |
| 12 | * and generate YAML files with phpyaml or spyc backend. |
| 13 | * @author Ævar Arnfjörð Bjarmason |
| 14 | * @author Niklas Laxström |
| 15 | * @copyright Copyright © 2009-2013, Niklas Laxström, Ævar Arnfjörð Bjarmason |
| 16 | * @license GPL-2.0-or-later |
| 17 | */ |
| 18 | class Yaml { |
| 19 | public static function loadString( string $text ): array { |
| 20 | global $wgTranslateYamlLibrary; |
| 21 | |
| 22 | switch ( $wgTranslateYamlLibrary ) { |
| 23 | case 'phpyaml': |
| 24 | // Harden: do not support unserializing objects. |
| 25 | $previousValue = ini_set( 'yaml.decode_php', '0' ); |
| 26 | $ret = yaml_parse( $text ); |
| 27 | if ( $previousValue !== false ) { |
| 28 | ini_set( 'yaml.decode_php', $previousValue ); |
| 29 | } |
| 30 | |
| 31 | if ( $ret === false ) { |
| 32 | // Convert failures to exceptions |
| 33 | throw new InvalidArgumentException( 'Invalid Yaml string' ); |
| 34 | } |
| 35 | |
| 36 | return $ret; |
| 37 | case 'spyc': |
| 38 | $yaml = spyc_load( $text ); |
| 39 | |
| 40 | return self::fixSpycSpaces( $yaml ); |
| 41 | default: |
| 42 | throw new RuntimeException( 'Unknown Yaml library' ); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | private static function fixSpycSpaces( array &$yaml ): array { |
| 47 | foreach ( $yaml as $key => &$value ) { |
| 48 | if ( is_array( $value ) ) { |
| 49 | self::fixSpycSpaces( $value ); |
| 50 | } elseif ( is_string( $value ) && $key === 'header' ) { |
| 51 | $value = preg_replace( '~^\*~m', ' *', $value ) . "\n"; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | return $yaml; |
| 56 | } |
| 57 | |
| 58 | public static function load( string $file ): array { |
| 59 | $text = file_get_contents( $file ); |
| 60 | |
| 61 | return self::loadString( $text ); |
| 62 | } |
| 63 | |
| 64 | public static function dump( array $text ): string { |
| 65 | global $wgTranslateYamlLibrary; |
| 66 | |
| 67 | switch ( $wgTranslateYamlLibrary ) { |
| 68 | case 'phpyaml': |
| 69 | return yaml_emit( $text, YAML_UTF8_ENCODING ); |
| 70 | case 'spyc': |
| 71 | return Spyc::YAMLDump( $text ); |
| 72 | default: |
| 73 | throw new RuntimeException( 'Unknown Yaml library' ); |
| 74 | } |
| 75 | } |
| 76 | } |