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<?php |
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namespace frictionlessdata\datapackage; |
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/** |
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* repository of known profiles and the corresponding schemas. |
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*/ |
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class Registry |
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{ |
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/** |
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* get the profile which should be used for validation from the given resource descriptor. |
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*/ |
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public static function getResourceValidationProfile($descriptor) |
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{ |
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$descriptor = Utils::objectify($descriptor); |
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if (isset($descriptor->profile) && $descriptor->profile != 'default') { |
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return $descriptor->profile; |
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} else { |
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return 'data-resource'; |
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} |
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} |
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/** |
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* get the profile which should be used for validation from the given datapackage descriptor |
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* corresponds to the id from the registry. |
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*/ |
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public static function getDatapackageValidationProfile($descriptor) |
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{ |
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if (isset($descriptor->profile) && $descriptor->profile != 'default') { |
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return $descriptor->profile; |
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} else { |
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return 'data-package'; |
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} |
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} |
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/** |
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* given a normalized profile - get the corresponding schema file for known schema in the registry |
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* returns false in case of unknown schema |
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* works the same for both datapackage schema and resource schemas. |
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*/ |
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public static function getJsonSchemaFile($profile) |
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{ |
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foreach (static::getAllSchemas() as $schema) { |
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if ($schema->id != 'registry' && $schema->id == $profile) { |
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if (isset($schema->schema_path)) { |
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return realpath(dirname(__FILE__)).'/Validators/schemas/'.$schema->schema_path; |
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} else { |
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return $schema->schema_filename; |
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} |
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} |
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} |
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return false; |
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} |
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public static function registerSchema($profile, $filename) |
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{ |
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static::$registeredSchemas[$profile] = ['filename' => $filename]; |
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} |
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public static function clearRegisteredSchemas() |
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{ |
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static::$registeredSchemas = []; |
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} |
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/** |
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* returns array of all known schemas in the registry. |
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*/ |
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public static function getAllSchemas() |
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{ |
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// registry schema |
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$registrySchemaFilename = dirname(__FILE__).'/Validators/schemas/registry.json'; |
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$registry = [ |
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(object) [ |
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'id' => 'registry', |
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'schema' => 'https://specs.frictionlessdata.io/schemas/registry.json', |
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'schema_path' => 'registry.json', |
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], |
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]; |
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// schemas from the registry (currently contains only the datapackage scheams) |
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$schemaIds = []; |
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if (file_exists($registrySchemaFilename)) { |
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foreach (json_decode(file_get_contents($registrySchemaFilename)) as $schema) { |
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$schemaIds[] = $schema->id; |
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$registry[] = $schema; |
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} |
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// resource schemas - currently not in the registry |
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foreach (['data-resource', 'tabular-data-resource'] as $id) { |
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if (!in_array($id, $schemaIds)) { |
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$registry[] = (object) [ |
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'id' => $id, |
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'schema' => "https://specs.frictionlessdata.io/schemas/{$id}.json", |
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'schema_path' => "{$id}.json", |
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]; |
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} |
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} |
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} |
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// custom registered schemas |
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foreach (static::$registeredSchemas as $profile => $schema) { |
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$registry[] = (object) [ |
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'id' => $profile, |
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'schema_filename' => $schema['filename'], |
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]; |
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} |
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return $registry; |
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} |
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protected static $registeredSchemas = []; |
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} |
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frictionlessdata /
datapackage-php
