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<?php |
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namespace Swaggest\PhpCodeBuilder\JsonSchema; |
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use Swaggest\CodeBuilder\PlaceholderString; |
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use Swaggest\JsonSchema\Schema; |
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use Swaggest\JsonSchema\SchemaExporter; |
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use Swaggest\PhpCodeBuilder\PhpClass; |
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use Swaggest\PhpCodeBuilder\PhpClassProperty; |
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use Swaggest\PhpCodeBuilder\PhpCode; |
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use Swaggest\PhpCodeBuilder\PhpFlags; |
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use Swaggest\PhpCodeBuilder\PhpFunction; |
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use Swaggest\PhpCodeBuilder\PhpInterface; |
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use Swaggest\PhpCodeBuilder\Types\TypeOf; |
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/** |
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* Implements SchemaExporter if class has at least 5 intersecting properties with JsonSchema |
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*/ |
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class SchemaExporterInterface implements PhpBuilderClassHook |
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{ |
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public function process(PhpClass $class, $path, $schema) |
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{ |
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$schemaProperties = Schema::properties(); |
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$propertiesFound = array(); |
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foreach ($class->getProperties() as $property) { |
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$schemaName = $property->getNamedVar()->getName(); |
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//$schemaName = $property->getMeta(PhpBuilder::PROPERTY_NAME); |
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/** @var Schema $propertySchema */ |
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$propertySchema = $property->getMeta(PhpBuilder::SCHEMA); |
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$schemaProperty = $schemaProperties[$schemaName]; |
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if ($schemaProperty instanceof SchemaExporter) { |
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$schemaProperty = $schemaProperty->exportSchema(); |
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} |
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if ($schemaProperty !== null) { |
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if (empty($schemaProperty->type) |
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|| ($schemaProperty->type == $propertySchema->type) |
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|| (is_array($schemaProperty->type) && in_array($propertySchema->type, $schemaProperty->type)) |
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) { |
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$propertiesFound[] = $property->getNamedVar()->getName(); |
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} |
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} |
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} |
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if (count($propertiesFound) > 5) { |
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$prop = new PhpClassProperty( |
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'schemaStorage', |
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PhpClass::byFQN(\SplObjectStorage::class), |
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PhpFlags::VIS_PRIVATE |
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); |
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$prop->setIsStatic(true); |
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$prop->setDescription('Schema storage keeps exported schemas to avoid infinite cycle recursions.'); |
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$class->addProperty($prop); |
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$func = new PhpFunction('exportSchema'); |
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$func->setResult(PhpClass::byFQN(Schema::class)); |
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$body = (new PhpCode())->addSnippet($this->buildHead()); |
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$names = Schema::names(); |
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foreach ($propertiesFound as $name) { |
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if ($name === $names->items |
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|| $name === $names->additionalProperties |
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|| $name === $names->additionalItems |
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|| $name === $names->not |
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|| $name === $names->if |
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|| $name === $names->then |
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|| $name === $names->else) { |
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$body->addSnippet($this->buildSchemaProperty($name)); |
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continue; |
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} |
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if ($name === $names->allOf || $name === $names->oneOf || $name === $names->anyOf) { |
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$body->addSnippet($this->buildSchemasProperty($name)); |
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continue; |
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} |
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if ($name === $names->properties) { |
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$body->addSnippet($this->buildProperties()); |
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continue; |
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} |
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$body->addSnippet($this->buildDefault($name)); |
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} |
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$body->addSnippet($this->buildTail()); |
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$func->setBody($body); |
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$class->addMethod($func); |
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$class->addImplements(PhpInterface::byFQN(SchemaExporter::class)); |
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} |
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} |
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protected function buildHead() |
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{ |
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return new PlaceholderString(<<<PHP |
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if (null === self::\$schemaStorage) { |
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self::\$schemaStorage = new SplObjectStorage(); |
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} |
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if (self::\$schemaStorage->contains(\$this)) { |
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return self::\$schemaStorage->offsetGet(\$this); |
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} else { |
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\$schema = new :schema(); |
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self::\$schemaStorage->attach(\$this, \$schema); |
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} |
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PHP |
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, [':schema' => new TypeOf(PhpClass::byFQN(Schema::class))] |
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); |
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} |
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protected function buildSchemaProperty($name) |
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{ |
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return <<<PHP |
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if (\$this->$name !== null && \$this->$name instanceof SchemaExporter) { |
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\$schema->$name = \$this->{$name}->exportSchema(); |
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} |
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PHP; |
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} |
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protected function buildSchemasProperty($name) |
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{ |
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return <<<PHP |
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if (!empty(\$this->$name)) { |
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foreach (\$this->$name as \$i => \$item) { |
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if (\$item instanceof SchemaExporter) { |
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\$schema->{$name}[\$i] = \$item->exportSchema(); |
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} |
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} |
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} |
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PHP; |
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} |
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protected function buildProperties() |
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{ |
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return <<<PHP |
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if (!empty(\$this->properties)) { |
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foreach (\$this->properties as \$propertyName => \$propertySchema) { |
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if (is_string(\$propertyName) && \$propertySchema instanceof SchemaExporter) { |
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\$schema->setProperty(\$propertyName, \$propertySchema->exportSchema()); |
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} |
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} |
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} |
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PHP; |
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} |
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protected function buildDefault($name) |
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{ |
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return <<<PHP |
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\$schema->$name = \$this->$name; |
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160
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PHP; |
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} |
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protected function buildTail() |
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{ |
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return <<<'PHP' |
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$schema->__fromRef = $this->__fromRef; |
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$schema->setDocumentPath($this->getDocumentPath()); |
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$schema->addMeta($this, 'origin'); |
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return $schema; |
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PHP; |
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} |
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} |
swaggest /
php-code-builder
