errors

const (
	// ErrNoRoot indicates the XML document has no root element.
	ErrNoRoot ErrorCode = "xsd-no-root"
	// ErrSchemaNotLoaded indicates validation was attempted without a loaded schema.
	ErrSchemaNotLoaded ErrorCode = "xsd-schema-not-loaded"
	// ErrXMLParse indicates the XML document could not be parsed.
	ErrXMLParse ErrorCode = "xml-parse-error"

	// ErrElementNotDeclared indicates an element has no declaration.
	ErrElementNotDeclared ErrorCode = "cvc-elt.1"
	// ErrElementAbstract indicates an abstract element was used.
	ErrElementAbstract ErrorCode = "cvc-elt.2"
	// ErrElementNotNillable indicates xsi:nil was used on a non-nillable element.
	ErrElementNotNillable ErrorCode = "cvc-elt.3.1"
	// ErrNilElementNotEmpty indicates a nilled element had content.
	ErrNilElementNotEmpty ErrorCode = "cvc-elt.3.2.2"
	// ErrXsiTypeInvalid indicates an xsi:type could not be resolved or is invalid.
	ErrXsiTypeInvalid ErrorCode = "cvc-elt.4.3"
	// ErrElementTypeAbstract indicates an abstract type was used for an element.
	ErrElementTypeAbstract ErrorCode = "cvc-elt.4.2"
	// ErrElementFixedValue indicates a fixed element value was violated.
	ErrElementFixedValue ErrorCode = "cvc-elt.5.2.2.2"

	// ErrTextInElementOnly indicates text appeared in element-only content.
	ErrTextInElementOnly ErrorCode = "cvc-complex-type.2.3"
	// ErrContentModelInvalid indicates children violate the content model.
	ErrContentModelInvalid ErrorCode = "cvc-complex-type.2.4"
	// ErrRequiredElementMissing indicates a required child element is missing.
	ErrRequiredElementMissing ErrorCode = "cvc-complex-type.2.4.b"
	// ErrUnexpectedElement indicates an unexpected child element.
	ErrUnexpectedElement ErrorCode = "cvc-complex-type.2.4.d"
	// ErrAttributeNotDeclared indicates an attribute is not declared.
	ErrAttributeNotDeclared ErrorCode = "cvc-complex-type.3.2.1"
	// ErrAttributeProhibited indicates a prohibited attribute is present.
	ErrAttributeProhibited ErrorCode = "cvc-complex-type.3.2.2"
	// ErrRequiredAttributeMissing indicates a required attribute is missing.
	ErrRequiredAttributeMissing ErrorCode = "cvc-complex-type.4"

	// ErrAttributeFixedValue indicates a fixed attribute value was violated.
	ErrAttributeFixedValue ErrorCode = "cvc-attribute.1"

	// ErrWildcardNotDeclared indicates a wildcard requires a declaration.
	ErrWildcardNotDeclared ErrorCode = "cvc-wildcard.1.2"

	// ErrDatatypeInvalid indicates a lexical value is invalid for its datatype.
	ErrDatatypeInvalid ErrorCode = "cvc-datatype-valid"
	// ErrFacetViolation indicates a value violates a facet constraint.
	ErrFacetViolation ErrorCode = "cvc-facet-valid"

	// ErrDuplicateID indicates a duplicate ID value.
	ErrDuplicateID ErrorCode = "cvc-id.2"
	// ErrIDRefNotFound indicates an IDREF was not found.
	ErrIDRefNotFound ErrorCode = "cvc-id.1.2"
	// ErrMultipleIDAttr indicates multiple ID attributes on the same element.
	ErrMultipleIDAttr ErrorCode = "cvc-id.3"

	// ErrIdentityDuplicate indicates an identity constraint is duplicated.
	ErrIdentityDuplicate ErrorCode = "cvc-identity-constraint.4.1"
	// ErrIdentityAbsent indicates an identity constraint is absent.
	ErrIdentityAbsent ErrorCode = "cvc-identity-constraint.4.2.1"
	// ErrIdentityKeyRefFailed indicates a keyref constraint failed.
	ErrIdentityKeyRefFailed ErrorCode = "cvc-identity-constraint.4.3"

	// ErrValidateValueInvalid indicates a value failed lexical parsing.
	ErrValidateValueInvalid ErrorCode = "VALIDATE_VALUE_INVALID"
	// ErrValidateValueFacet indicates a value violated a facet constraint.
	ErrValidateValueFacet ErrorCode = "VALIDATE_VALUE_FACET"
	// ErrValidateElementAbstract indicates an abstract element was used.
	ErrValidateElementAbstract ErrorCode = "VALIDATE_ELEMENT_ABSTRACT"
	// ErrValidateSimpleTypeAttrNotAllowed indicates attributes on simple types.
	ErrValidateSimpleTypeAttrNotAllowed ErrorCode = "VALIDATE_SIMPLETYPE_ATTR_NOT_ALLOWED"
	// ErrValidateXsiTypeUnresolved indicates xsi:type could not be resolved.
	ErrValidateXsiTypeUnresolved ErrorCode = "VALIDATE_XSI_TYPE_UNRESOLVED"
	// ErrValidateXsiTypeDerivationBlocked indicates xsi:type derivation is blocked.
	ErrValidateXsiTypeDerivationBlocked ErrorCode = "VALIDATE_XSI_TYPE_DERIVATION_BLOCKED"
	// ErrValidateXsiNilNotNillable indicates xsi:nil used on non-nillable element.
	ErrValidateXsiNilNotNillable ErrorCode = "VALIDATE_XSI_NIL_NOT_NILLABLE"
	// ErrValidateNilledHasFixed indicates a nilled element has a fixed value.
	ErrValidateNilledHasFixed ErrorCode = "VALIDATE_NILLED_HAS_FIXED"
	// ErrValidateNilledNotEmpty indicates a nilled element has content.
	ErrValidateNilledNotEmpty ErrorCode = "VALIDATE_NILLED_NOT_EMPTY"
	// ErrValidateWildcardElemStrictUnresolved indicates strict wildcard element unresolved.
	ErrValidateWildcardElemStrictUnresolved ErrorCode = "VALIDATE_WILDCARD_ELEM_STRICT_UNRESOLVED"
	// ErrValidateWildcardAttrStrictUnresolved indicates strict wildcard attribute unresolved.
	ErrValidateWildcardAttrStrictUnresolved ErrorCode = "VALIDATE_WILDCARD_ATTR_STRICT_UNRESOLVED"
	// ErrValidateRootNotDeclared indicates root element not declared.
	ErrValidateRootNotDeclared ErrorCode = "VALIDATE_ROOT_NOT_DECLARED"
)