}

func (e *ListExpr) evalNode(r Record, tableAlias string) (*Value, error) {
	res := make([]Value, len(e.Elements))
	if len(e.Elements) == 1 {
		// If length 1, treat as single value.
		return e.Elements[0].evalNode(r, tableAlias)
	}
	for i, elt := range e.Elements {
		v, err := elt.evalNode(r, tableAlias)
		if err != nil {
			return nil, err
		}
		res[i] = *v
	}

	defaultFieldDelimiter       = ","
	defaultQuoteCharacter       = `"`
	defaultQuoteEscapeCharacter = `"`
	defaultCommentCharacter     = "#"

	asneeded = "asneeded"
)

// ReaderArgs - represents elements inside <InputSerialization><CSV> in request XML.
type ReaderArgs struct {
	FileHeaderInfo             string `xml:"FileHeaderInfo"`
	RecordDelimiter            string `xml:"RecordDelimiter"`

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package parquet

import "encoding/xml"

// ReaderArgs - represents elements inside <InputSerialization><Parquet/> in request XML.
type ReaderArgs struct {
	unmarshaled bool
}

// IsEmpty - returns whether reader args is empty or not.
func (args *ReaderArgs) IsEmpty() bool {

	if !auth.IsAccessKeyValid(c.AccessKey) || !auth.IsSecretKeyValid(c.SecretKey) {
		return errInvalidArgument
	}
	return nil
}

// BatchJobReplicateTarget describes target element of the replication job that receives
// the filtered data from source
type BatchJobReplicateTarget struct {
	Type     BatchJobReplicateResourceType `yaml:"type" json:"type"`

	if err := d.DecodeElement(&parsedConfig, &start); err != nil {
		return err
	}

	if parsedConfig.ObjectLockEnabled != Enabled {
		return fmt.Errorf("only 'Enabled' value is allowed to ObjectLockEnabled element")
	}

	*config = Config(parsedConfig)
	return nil
}

// ToRetention - convert to Retention type.
func (config *Config) ToRetention() Retention {
	r := Retention{

// Expression represents a logical disjunction of clauses
type Expression struct {
	And []*AndCondition `parser:"@@ ( \"OR\" @@ )*"`
}

// ListExpr represents a literal list with elements as expressions.
type ListExpr struct {
	Elements []*Expression `parser:"\"(\" @@ ( \",\" @@ )* \")\" | \"[\" @@ ( \",\" @@ )* \"]\""`
}

// AndCondition represents logical conjunction of clauses
type AndCondition struct {

			expectedErr: errors.New("expected element type <Status> but have <MyStatus>"),
			expectErr:   true,
		},
		// invalid XML attr
		{
			value:       `<?xml version="1.0" encoding="UTF-8"?><UnknownLegalHold xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Status>ON</Status></UnknownLegalHold>`,
			expectedErr: errors.New("expected element type <LegalHold>/<ObjectLockLegalHold> but have <UnknownLegalHold>"),

	switch start.Name.Local {
	case "LifecycleConfiguration", "BucketLifecycleConfiguration":
	default:
		return xml.UnmarshalError(fmt.Sprintf("expected element type <LifecycleConfiguration>/<BucketLifecycleConfiguration> but have <%s>",
			start.Name.Local))
	}
	for {
		// Read tokens from the XML document in a stream.
		t, err := d.Token()
		if err != nil {

	// Copy all immediate files and testdata directories between
	// the package being tested and the source root.
	pkgpath = ""
	for _, element := range strings.Split(finalPkgpath, string(filepath.Separator)) {
		if debug {
			log.Printf("copying %s", pkgpath)
		}
		pkgpath = filepath.Join(pkgpath, element)
		dst := filepath.Join(dstbase, pkgpath)
		src := filepath.Join(cwd, pkgpath)
		if err := copyLocalDir(dst, src); err != nil {

		},
		// With a list of only one element nothing to sort.
		{
			ipList:       []string{"hostname"},
			sortedIPList: []string{"hostname"},
		},
		// With a list of only one element nothing to sort.
		{
			ipList:       []string{"127.0.0.1"},
			sortedIPList: []string{"127.0.0.1"},
		},
		// Non parsable ip is assumed to be hostame and gets preserved
		// as the left most elements, regardless of IP based sorting.
		{