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<?php
/* ===========================================================================
* Copyright 2020 Zindex Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============================================================================ */
namespace Opis\JsonSchema\Parsers;
use Opis\JsonSchema\Info\SchemaInfo;
use Opis\JsonSchema\Exceptions\InvalidPragmaException;
use Opis\JsonSchema\Pragma;
abstract class PragmaParser
{
protected string $pragma;
/**
* @param string $pragma
*/
public function __construct(string $pragma)
{
$this->pragma = $pragma;
}
/**
* @param SchemaInfo $info
* @param SchemaParser $parser
* @param object $shared
* @return Pragma|null
*/
abstract public function parse(SchemaInfo $info, SchemaParser $parser, object $shared): ?Pragma;
/**
* @param object|SchemaInfo $schema
* @param string|null $pragma
* @return bool
*/
protected function pragmaExists(object $schema, ?string $pragma = null): bool
{
if ($schema instanceof SchemaInfo) {
$schema = $schema->isObject() ? $schema->data() : null;
}
return is_object($schema) && property_exists($schema, $pragma ?? $this->pragma);
}
/**
* @param object|SchemaInfo $schema
* @param string|null $pragma
* @return mixed
*/
protected function pragmaValue(object $schema, ?string $pragma = null)
{
if ($schema instanceof SchemaInfo) {
$schema = $schema->isObject() ? $schema->data() : null;
}
return is_object($schema) ? $schema->{$pragma ?? $this->pragma} : null;
}
/**
* @param string $message
* @param SchemaInfo $info
* @param string|null $pragma
* @return InvalidPragmaException
*/
protected function pragmaException(string $message, SchemaInfo $info, ?string $pragma = null): InvalidPragmaException
{
$pragma = $pragma ?? $this->pragma;
return new InvalidPragmaException(str_replace('{pragma}', $pragma, $message), $pragma, $info);
}
}
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