/**
* @return Schema
*/
public function create()
{
$schema = new Schema(null, new Value\ObjectValue(), 'Schemer meta-schema', 'Schema used to validate Schemer schemas.');
// definitions
$schemaArraySchema = new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::ARRAY_TYPE())), new ArrayValue\MinimumItemsConstraint(1), new ArrayValue\ItemsConstraint(array(), $schema)));
$positiveIntegerSchema = new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::INTEGER_TYPE())), new NumberValue\MinimumConstraint(0)));
$positiveIntegerDefault0Schema = new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::INTEGER_TYPE())), new NumberValue\MinimumConstraint(0)), new Value\IntegerValue(0));
$simpleTypesSchema = new Schema(array(new Generic\EnumConstraint(new Value\ArrayValue(array(new Value\StringValue('array'), new Value\StringValue('boolean'), new Value\StringValue('date-time'), new Value\StringValue('integer'), new Value\StringValue('null'), new Value\StringValue('number'), new Value\StringValue('object'), new Value\StringValue('string'))))));
$stringArraySchema = new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::ARRAY_TYPE())), new ArrayValue\ItemsConstraint(array(), new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())))))));
$booleanOrSchemaDefaultEmptyObjectSchema = new Schema(array(new Generic\AnyOfConstraint(array(new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::BOOLEAN_TYPE())))), $schema))), new Value\ObjectValue());
$schemaMapDefaultEmptyObjectSchema = new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::OBJECT_TYPE())), new ObjectValue\PropertiesConstraint(array(), array(), $schema)), new Value\ObjectValue());
$dateOrDateStringSchema = new Schema(array(new Generic\AnyOfConstraint(array(new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::DATE_TIME_TYPE())))), new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())), new StringValue\DateTimeFormatConstraint()))))));
// constraints
$typeConstraint = new Generic\TypeConstraint(array(Value\ValueType::OBJECT_TYPE()));
$propertiesConstraint = new ObjectValue\PropertiesConstraint(array('id' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())), new StringValue\UriFormatConstraint())), '$schema' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())), new StringValue\UriFormatConstraint())), 'title' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())))), 'description' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())))), 'default' => new Schema(), 'multipleOf' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::NUMBER_TYPE())), new NumberValue\MinimumConstraint(0, true))), 'maximum' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::NUMBER_TYPE())))), 'exclusiveMaximum' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::BOOLEAN_TYPE()))), new Value\BooleanValue(false)), 'minimum' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::NUMBER_TYPE())))), 'exclusiveMinimum' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::BOOLEAN_TYPE()))), new Value\BooleanValue(false)), 'maxLength' => $positiveIntegerSchema, 'minLength' => $positiveIntegerDefault0Schema, 'pattern' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::STRING_TYPE())))), 'additionalItems' => $booleanOrSchemaDefaultEmptyObjectSchema, 'items' => new Schema(array(new Generic\AnyOfConstraint(array($schema, $schemaArraySchema))), new Value\ObjectValue()), 'maxItems' => $positiveIntegerSchema, 'minItems' => $positiveIntegerDefault0Schema, 'uniqueItems' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::BOOLEAN_TYPE()))), new Value\BooleanValue(false)), 'maxProperties' => $positiveIntegerSchema, 'minProperties' => $positiveIntegerDefault0Schema, 'required' => $stringArraySchema, 'additionalProperties' => $booleanOrSchemaDefaultEmptyObjectSchema, 'definitions' => $schemaMapDefaultEmptyObjectSchema, 'properties' => $schemaMapDefaultEmptyObjectSchema, 'patternProperties' => $schemaMapDefaultEmptyObjectSchema, 'dependencies' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::OBJECT_TYPE())), new ObjectValue\PropertiesConstraint(array(), array(), new Schema(array(new Generic\AnyOfConstraint(array($schema, $stringArraySchema))))))), 'enum' => new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::ARRAY_TYPE())), new ArrayValue\MinimumItemsConstraint(1), new ArrayValue\UniqueItemsConstraint(true))), 'type' => new Schema(array(new Generic\AnyOfConstraint(array($simpleTypesSchema, new Schema(array(new Generic\TypeConstraint(array(Value\ValueType::ARRAY_TYPE())), new ArrayValue\ItemsConstraint(array(), $simpleTypesSchema), new ArrayValue\MinimumItemsConstraint(1), new ArrayValue\UniqueItemsConstraint(true))))))), 'allOf' => $schemaArraySchema, 'anyOf' => $schemaArraySchema, 'oneOf' => $schemaArraySchema, 'not' => $schema, 'maxDateTime' => $dateOrDateStringSchema, 'minDateTime' => $dateOrDateStringSchema), array(), new Schema());
$exclusiveMaximumDependencyConstraint = new ObjectValue\DependencyConstraint('exclusiveMaximum', new Schema(array(new ObjectValue\RequiredConstraint('maximum'))));
$exclusiveMinimumDependencyConstraint = new ObjectValue\DependencyConstraint('exclusiveMinimum', new Schema(array(new ObjectValue\RequiredConstraint('minimum'))));
// composition
$schema->setConstraints(array($typeConstraint, $propertiesConstraint, $exclusiveMaximumDependencyConstraint, $exclusiveMinimumDependencyConstraint));
return $schema;
}
/**
* @param Generic\TypeConstraint $constraint
*
* @return Result\ValidationResult
*/
public function visitTypeConstraint(Generic\TypeConstraint $constraint)
{
$value = $this->currentValue();
$isValid = false;
foreach ($constraint->valueTypes() as $valueType) {
if ($valueType === Value\ValueType::ARRAY_TYPE()) {
$isValid = $value instanceof Value\ArrayValue;
} elseif ($valueType === Value\ValueType::BOOLEAN_TYPE()) {
$isValid = $value instanceof Value\BooleanValue;
} elseif ($valueType === Value\ValueType::DATE_TIME_TYPE()) {
$isValid = $value instanceof Value\DateTimeValue;
} elseif ($valueType === Value\ValueType::INTEGER_TYPE()) {
$isValid = $value instanceof Value\IntegerValue;
} elseif ($valueType === Value\ValueType::NULL_TYPE()) {
$isValid = $value instanceof Value\NullValue;
} elseif ($valueType === Value\ValueType::NUMBER_TYPE()) {
$isValid = $value instanceof Value\NumberValueInterface;
} elseif ($valueType === Value\ValueType::OBJECT_TYPE()) {
$isValid = $value instanceof Value\ObjectValue;
} elseif ($valueType === Value\ValueType::STRING_TYPE()) {
$isValid = $value instanceof Value\StringValue;
}
if ($isValid) {
return $this->createResult();
}
}
return $this->createSingleIssueResult($constraint);
}