// scan the value by fields, and set to v
func rawScanStruct(v reflect.Value, fields []string, scanner rowScaner) (err error) {
if v.IsNil() {
e := fmt.Sprintf("struct can not be nil, but got %#v", v.Interface())
return errors.New(e)
}
dest := make([]interface{}, len(fields))
for v.Kind() == reflect.Ptr {
v = v.Elem()
}
// Loop over column names and find field in s to bind to
// based on column name. all returned columns must match
// a field in the s struct
for x, fieldName := range fields {
f := v.FieldByName(fieldName)
if f == zeroVal {
e := fmt.Sprintf("Scanner: No field %s in type %s",
fieldName, v.Type())
return errors.New(e)
} else {
dest[x] = f.Addr().Interface()
}
}
err = scanner.Scan(dest...)
return
}
// ConfigItemWhenValidation will validate that the when element of a config item is in a valid format and references other valid, created objects.
func ConfigItemWhenValidation(v *validator.Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
root, ok := topStruct.Interface().(*RootConfig)
if !ok {
// this is an issue with the code and really should be a panic
return true
}
if fieldKind != reflect.String {
// this is an issue with the code and really should be a panic
return true
}
var whenValue string
whenValue = field.String()
if whenValue == "" {
return true
}
splitString := "="
if strings.Contains(whenValue, "!=") {
splitString = "!="
}
parts := strings.SplitN(whenValue, splitString, 2)
if len(parts) >= 2 {
whenValue = parts[0]
}
return configItemExists(whenValue, root)
}
func ContainerNameUnique(v *validator.Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
if fieldKind != reflect.String {
return true
}
containerName := field.String()
if containerName == "" {
return true
}
if hasReplTemplate(field) {
// all bets are off
return true
}
root, ok := topStruct.Interface().(*RootConfig)
if !ok {
// this is an issue with the code and really should be a panic
return true
}
currentContainer := getCurrentContainer(currentStructOrField)
if currentContainer == nil {
// this is an issue with the code and really should be a panic
return true
}
container := getContainerFromName(containerName, currentContainer, root)
if container != nil {
return false
}
return true
}
func (d *commonDialect) SqlTag(value reflect.Value, size int) string {
switch value.Kind() {
case reflect.Bool:
return "BOOLEAN"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
return "INTEGER"
case reflect.Int64, reflect.Uint64:
return "BIGINT"
case reflect.Float32, reflect.Float64:
return "FLOAT"
case reflect.String:
if size > 0 && size < 65532 {
return fmt.Sprintf("VARCHAR(%d)", size)
} else {
return "VARCHAR(65532)"
}
case reflect.Struct:
if value.Type() == timeType {
return "TIMESTAMP"
}
default:
if _, ok := value.Interface().([]byte); ok {
if size > 0 && size < 65532 {
return fmt.Sprintf("BINARY(%d)", size)
} else {
return "BINARY(65532)"
}
}
}
panic(fmt.Sprintf("invalid sql type %s (%s) for commonDialect", value.Type().Name(), value.Kind().String()))
}
func (par *parserParser) ParseValue(ctx *parseContext, valueOf reflect.Value, location int, err *Error) int {
var v Parser
if par.ptr {
v = valueOf.Addr().Interface().(Parser)
} else {
if valueOf.Kind() == reflect.Ptr {
valueOf = reflect.New(valueOf.Type().Elem())
}
v = valueOf.Interface().(Parser)
}
l, e := v.ParseValue(ctx.str, location)
if e != nil {
switch ev := e.(type) {
case Error:
err.Location = ev.Location
err.Message = ev.Message
err.Str = ev.Str
return -1
}
err.Location = location
err.Message = e.Error()
return -1
}
location = l
if location > len(ctx.str) {
panic("Invalid parser")
}
return location
}
func (mssql) SqlTag(value reflect.Value, size int, autoIncrease bool) string {
switch value.Kind() {
case reflect.Bool:
return "bit"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if autoIncrease {
return "int IDENTITY(1,1)"
}
return "int"
case reflect.Int64, reflect.Uint64:
if autoIncrease {
return "bigint IDENTITY(1,1)"
}
return "bigint"
case reflect.Float32, reflect.Float64:
return "float"
case reflect.String:
if size > 0 && size < 65532 {
return fmt.Sprintf("nvarchar(%d)", size)
}
return "text"
case reflect.Struct:
if _, ok := value.Interface().(time.Time); ok {
return "datetime2"
}
default:
if _, ok := value.Interface().([]byte); ok {
if size > 0 && size < 65532 {
return fmt.Sprintf("varchar(%d)", size)
}
return "text"
}
}
panic(fmt.Sprintf("invalid sql type %s (%s) for mssql", value.Type().Name(), value.Kind().String()))
}
// IsZero returns true when the value is a zero for the type
func isZero(data reflect.Value) bool {
if !data.CanInterface() {
return true
}
tpe := data.Type()
return reflect.DeepEqual(data.Interface(), reflect.Zero(tpe).Interface())
}
func (d base) setModelValue(driverValue, fieldValue reflect.Value) error {
switch fieldValue.Type().Kind() {
case reflect.Bool:
fieldValue.SetBool(d.dialect.parseBool(driverValue.Elem()))
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
fieldValue.SetInt(driverValue.Elem().Int())
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
// reading uint from int value causes panic
switch driverValue.Elem().Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
fieldValue.SetUint(uint64(driverValue.Elem().Int()))
default:
fieldValue.SetUint(driverValue.Elem().Uint())
}
case reflect.Float32, reflect.Float64:
fieldValue.SetFloat(driverValue.Elem().Float())
case reflect.String:
fieldValue.SetString(string(driverValue.Elem().Bytes()))
case reflect.Slice:
if reflect.TypeOf(driverValue.Interface()).Elem().Kind() == reflect.Uint8 {
fieldValue.SetBytes(driverValue.Elem().Bytes())
}
case reflect.Struct:
switch fieldValue.Interface().(type) {
case time.Time:
fieldValue.Set(driverValue.Elem())
default:
if scanner, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
return scanner.Scan(driverValue.Interface())
}
}
}
return nil
}
func (t *SpecTest) haveError(fn interface{}) (bool, error) {
t.doDebug(func() { t.Logf("Function %#v has an error", fn) })
var errval reflect.Value
switch fn.(type) {
case FnCall:
fncall := fn.(FnCall)
fntyp := fncall.fn.Type()
if !reflect.TypeOf(errors.New("error")).AssignableTo(fntyp.Out(fntyp.NumOut() - 1)) {
return false, errors.New("HaveError function call's last Value must be os.Error")
}
errval = fncall.out[len(fncall.out)-1]
default:
return false, errors.New("HaveError needs a function call Value")
}
var fnerr error
switch v := errval.Interface(); v.(type) {
case nil:
fnerr = nil
case error:
fnerr = v.(error)
default:
return false, errors.New("Function call can not have error")
}
return fnerr != nil, nil
}
func (d *decoder) parse_unmarshaler(v reflect.Value) bool {
m, ok := v.Interface().(Unmarshaler)
if !ok {
// T doesn't work, try *T
if v.Kind() != reflect.Ptr && v.CanAddr() {
m, ok = v.Addr().Interface().(Unmarshaler)
if ok {
v = v.Addr()
}
}
}
if ok && (v.Kind() != reflect.Ptr || !v.IsNil()) {
if d.read_one_value() {
err := m.UnmarshalBencode(d.buf.Bytes())
d.buf.Reset()
if err != nil {
panic(&UnmarshalerError{v.Type(), err})
}
return true
}
d.buf.Reset()
}
return false
}
// callSliceRequired returns true if CallSlice is required instead of Call.
func callSliceRequired(param reflect.Type, val reflect.Value) bool {
vt := val.Type()
for param.Kind() == reflect.Slice {
if val.Kind() == reflect.Interface {
val = reflect.ValueOf(val.Interface())
vt = val.Type()
}
if vt.Kind() != reflect.Slice {
return false
}
vt = vt.Elem()
if val.Kind() != reflect.Invalid {
if val.Len() > 0 {
val = val.Index(0)
} else {
val = reflect.Value{}
}
}
param = param.Elem()
}
return true
}
func (scope *Scope) getColumnsAsScope(column string) *Scope {
values := scope.IndirectValue()
switch values.Kind() {
case reflect.Slice:
modelType := values.Type().Elem()
if modelType.Kind() == reflect.Ptr {
modelType = modelType.Elem()
}
fieldStruct, _ := modelType.FieldByName(column)
var columns reflect.Value
if fieldStruct.Type.Kind() == reflect.Slice || fieldStruct.Type.Kind() == reflect.Ptr {
columns = reflect.New(reflect.SliceOf(reflect.PtrTo(fieldStruct.Type.Elem()))).Elem()
} else {
columns = reflect.New(reflect.SliceOf(reflect.PtrTo(fieldStruct.Type))).Elem()
}
for i := 0; i < values.Len(); i++ {
column := reflect.Indirect(values.Index(i)).FieldByName(column)
if column.Kind() == reflect.Ptr {
column = column.Elem()
}
if column.Kind() == reflect.Slice {
for i := 0; i < column.Len(); i++ {
columns = reflect.Append(columns, column.Index(i).Addr())
}
} else {
columns = reflect.Append(columns, column.Addr())
}
}
return scope.New(columns.Interface())
case reflect.Struct:
return scope.New(values.FieldByName(column).Addr().Interface())
}
return nil
}
func (f encFnInfo) getValueForMarshalInterface(rv reflect.Value, indir int8) (v interface{}, proceed bool) {
if indir == 0 {
v = rv.Interface()
} else if indir == -1 {
// If a non-pointer was passed to Encode(), then that value is not addressable.
// Take addr if addresable, else copy value to an addressable value.
if rv.CanAddr() {
v = rv.Addr().Interface()
} else {
rv2 := reflect.New(rv.Type())
rv2.Elem().Set(rv)
v = rv2.Interface()
// fmt.Printf("rv.Type: %v, rv2.Type: %v, v: %v\n", rv.Type(), rv2.Type(), v)
}
} else {
for j := int8(0); j < indir; j++ {
if rv.IsNil() {
f.ee.EncodeNil()
return
}
rv = rv.Elem()
}
v = rv.Interface()
}
return v, true
}
func (f encFnInfo) ext(rv reflect.Value) {
// if this is a struct|array and it was addressable, then pass the address directly (not the value)
if k := rv.Kind(); (k == reflect.Struct || k == reflect.Array) && rv.CanAddr() {
rv = rv.Addr()
}
f.ee.EncodeExt(rv.Interface(), f.xfTag, f.xfFn, f.e)
}
func isZero(v reflect.Value) bool {
switch v.Kind() {
case reflect.Func, reflect.Map, reflect.Slice:
return v.IsNil()
case reflect.Array:
z := true
for i := 0; i < v.Len(); i++ {
z = z && isZero(v.Index(i))
}
return z
case reflect.Struct:
if v.Type() == reflect.TypeOf(t) {
if v.Interface().(time.Time).IsZero() {
return true
}
return false
}
z := true
for i := 0; i < v.NumField(); i++ {
z = z && isZero(v.Field(i))
}
return z
}
// Compare other types directly:
z := reflect.Zero(v.Type())
return v.Interface() == z.Interface()
}
func encodeField(w io.Writer, f reflect.Value) error {
if f.Type() == timeType {
return encodeTime(w, f)
}
switch f.Kind() {
case reflect.Uint8:
fallthrough
case reflect.Uint16:
fallthrough
case reflect.Uint32:
fallthrough
case reflect.Uint64:
fallthrough
case reflect.Int64:
fallthrough
case reflect.Int32:
fallthrough
case reflect.Int16:
fallthrough
case reflect.Int8:
return binary.Write(w, byteOrder, f.Interface())
case reflect.String:
return encodeStrField(w, f)
case reflect.Slice:
return encodeArray(w, f)
case reflect.Interface:
return encodeField(w, f.Elem())
default:
panic(fmt.Sprintf("unimplemented kind %v", f))
}
}
func convertType(v reflect.Value) (*string, error) {
v = reflect.Indirect(v)
if !v.IsValid() {
return nil, nil
}
var str string
switch value := v.Interface().(type) {
case string:
str = value
case []byte:
str = base64.StdEncoding.EncodeToString(value)
case bool:
str = strconv.FormatBool(value)
case int64:
str = strconv.FormatInt(value, 10)
case float64:
str = strconv.FormatFloat(value, 'f', -1, 64)
case time.Time:
str = value.UTC().Format(RFC822)
default:
err := fmt.Errorf("Unsupported value for param %v (%s)", v.Interface(), v.Type())
return nil, err
}
return &str, nil
}
func parseFlagField(field reflect.StructField, fieldVal reflect.Value) *Option {
checkTags(field, flagTag)
checkExported(field, flagTag)
names := parseCommaNames(field.Tag.Get(flagTag))
if len(names) == 0 {
panicCommand("at least one flag name must be specified (field %s)", field.Name)
}
opt := &Option{
Names: names,
Flag: true,
Description: field.Tag.Get(descriptionTag),
}
if field.Type.Implements(decoderT) {
opt.Decoder = fieldVal.Interface().(OptionDecoder)
} else if fieldVal.CanAddr() && reflect.PtrTo(field.Type).Implements(decoderT) {
opt.Decoder = fieldVal.Addr().Interface().(OptionDecoder)
} else {
switch field.Type.Kind() {
case reflect.Bool:
opt.Decoder = NewFlagDecoder(fieldVal.Addr().Interface().(*bool))
case reflect.Int:
opt.Decoder = NewFlagAccumulator(fieldVal.Addr().Interface().(*int))
opt.Plural = true
default:
panicCommand("field type not valid as a flag -- did you mean to use %q instead? (field %s)", "option", field.Name)
}
}
opt.validate()
return opt
}
func defaultReturnHandler() ReturnHandler {
return func(ctx *Context, vals []reflect.Value) {
rv := ctx.GetVal(inject.InterfaceOf((*http.ResponseWriter)(nil)))
resp := rv.Interface().(http.ResponseWriter)
var respVal reflect.Value
if len(vals) > 1 && vals[0].Kind() == reflect.Int {
resp.WriteHeader(int(vals[0].Int()))
respVal = vals[1]
} else if len(vals) > 0 {
respVal = vals[0]
if isError(respVal) {
err := respVal.Interface().(error)
if err != nil {
ctx.internalServerError(ctx, err)
}
return
} else if canDeref(respVal) {
if respVal.IsNil() {
return // Ignore nil error
}
}
}
if canDeref(respVal) {
respVal = respVal.Elem()
}
if isByteSlice(respVal) {
resp.Write(respVal.Bytes())
} else {
resp.Write([]byte(respVal.String()))
}
}
}
func isZero(v reflect.Value) bool {
switch v.Kind() {
case reflect.String:
return len(v.String()) == 0
case reflect.Ptr, reflect.Interface:
return v.IsNil()
case reflect.Slice:
return v.Len() == 0
case reflect.Map:
return v.Len() == 0
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Struct:
vt := v.Type()
if vt == typeTime {
return v.Interface().(time.Time).IsZero()
}
for i := 0; i < v.NumField(); i++ {
if vt.Field(i).PkgPath != "" {
continue // Private field
}
if !isZero(v.Field(i)) {
return false
}
}
return true
}
return false
}
// convert a value back to the original error interface. panics if value is not
// nil and also does not implement error.
func value2error(v reflect.Value) error {
i := v.Interface()
if i == nil {
return nil
}
return i.(error)
}
func (e *encoder) addSlice(v reflect.Value) {
vi := v.Interface()
if d, ok := vi.(D); ok {
for _, elem := range d {
e.addElem(elem.Name, reflect.ValueOf(elem.Value), false)
}
return
}
if d, ok := vi.(RawD); ok {
for _, elem := range d {
e.addElem(elem.Name, reflect.ValueOf(elem.Value), false)
}
return
}
l := v.Len()
et := v.Type().Elem()
if et == typeDocElem {
for i := 0; i < l; i++ {
elem := v.Index(i).Interface().(DocElem)
e.addElem(elem.Name, reflect.ValueOf(elem.Value), false)
}
return
}
if et == typeRawDocElem {
for i := 0; i < l; i++ {
elem := v.Index(i).Interface().(RawDocElem)
e.addElem(elem.Name, reflect.ValueOf(elem.Value), false)
}
return
}
for i := 0; i < l; i++ {
e.addElem(itoa(i), v.Index(i), false)
}
}
// printValue is like printArg but starts with a reflect value, not an interface{} value.
func (p *pp) printValue(value reflect.Value, verb rune, plus, goSyntax bool, depth int) (wasString bool) {
if !value.IsValid() {
if verb == 'T' || verb == 'v' {
p.buf.Write(nilAngleBytes)
} else {
p.badVerb(verb)
}
return false
}
// Special processing considerations.
// %T (the value's type) and %p (its address) are special; we always do them first.
switch verb {
case 'T':
p.printArg(value.Type().String(), 's', false, false, 0)
return false
case 'p':
p.fmtPointer(value, verb, goSyntax)
return false
}
// Handle values with special methods.
// Call always, even when arg == nil, because handleMethods clears p.fmt.plus for us.
p.arg = nil // Make sure it's cleared, for safety.
if value.CanInterface() {
p.arg = value.Interface()
}
if isString, handled := p.handleMethods(verb, plus, goSyntax, depth); handled {
return isString
}
return p.printReflectValue(value, verb, plus, goSyntax, depth)
}
// writeExtensions writes all the extensions in pv.
// pv is assumed to be a pointer to a protocol message struct that is extendable.
func writeExtensions(w *textWriter, pv reflect.Value) error {
emap := extensionMaps[pv.Type().Elem()]
ep := pv.Interface().(extendableProto)
// Order the extensions by ID.
// This isn't strictly necessary, but it will give us
// canonical output, which will also make testing easier.
var m map[int32]Extension
if em, ok := ep.(extensionsMap); ok {
m = em.ExtensionMap()
} else if em, ok := ep.(extensionsBytes); ok {
eb := em.GetExtensions()
var err error
m, err = BytesToExtensionsMap(*eb)
if err != nil {
return err
}
}
ids := make([]int32, 0, len(m))
for id := range m {
ids = append(ids, id)
}
sort.Sort(int32Slice(ids))
for _, extNum := range ids {
ext := m[extNum]
var desc *ExtensionDesc
if emap != nil {
desc = emap[extNum]
}
if desc == nil {
// Unknown extension.
if err := writeUnknownStruct(w, ext.enc); err != nil {
return err
}
continue
}
pb, err := GetExtension(ep, desc)
if err != nil {
return fmt.Errorf("failed getting extension: %v", err)
}
// Repeated extensions will appear as a slice.
if !desc.repeated() {
if err := writeExtension(w, desc.Name, pb); err != nil {
return err
}
} else {
v := reflect.ValueOf(pb)
for i := 0; i < v.Len(); i++ {
if err := writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
return err
}
}
}
}
return nil
}
// for insert and update
// If already assigned, then just ignore tag
func GetValQuoteStr(val reflect.Value) (string, error) {
switch val.Kind() {
case reflect.Bool:
boolStr := "N"
if val.Bool() {
boolStr = "Y"
}
return boolStr, nil
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.FormatInt(val.Int(), 10), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return strconv.FormatUint(val.Uint(), 10), nil
case reflect.Float32, reflect.Float64:
return strconv.FormatFloat(val.Float(), 'f', -1, 64), nil
case reflect.String:
return QuoteStr(val.String()), nil
case reflect.Slice: //[]byte
if val.Type().Elem().Name() != "uint8" {
return "", fmt.Errorf("GetValQuoteStr> slicetype is not []byte: %v", val.Interface())
}
return QuoteStr(string(val.Interface().([]byte))), nil
default:
return "", fmt.Errorf("GetValQuoteStr> reflect.Value is not a string/int/uint/float/bool/[]byte!\nval: %v", val)
}
return "", nil
}
func (q *queryParser) parseScalar(v url.Values, r reflect.Value, name string, tag reflect.StructTag) error {
switch value := r.Interface().(type) {
case string:
v.Set(name, value)
case []byte:
if !r.IsNil() {
v.Set(name, base64.StdEncoding.EncodeToString(value))
}
case bool:
v.Set(name, strconv.FormatBool(value))
case int64:
v.Set(name, strconv.FormatInt(value, 10))
case int:
v.Set(name, strconv.Itoa(value))
case float64:
v.Set(name, strconv.FormatFloat(value, 'f', -1, 64))
case float32:
v.Set(name, strconv.FormatFloat(float64(value), 'f', -1, 32))
case time.Time:
const ISO8601UTC = "2006-01-02T15:04:05Z"
v.Set(name, value.UTC().Format(ISO8601UTC))
default:
return fmt.Errorf("unsupported value for param %s: %v (%s)", name, r.Interface(), r.Type().Name())
}
return nil
}
// ComponentExistsValidation will validate that the specified component name is present in the current YAML.
func ComponentExistsValidation(v *validator.Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
// validates that the component exists in the root.Components slice
root, ok := topStruct.Interface().(*RootConfig)
if !ok {
// this is an issue with the code and really should be a panic
return true
}
if fieldKind != reflect.String {
// this is an issue with the code and really should be a panic
return true
}
var componentName string
componentName = field.String()
parts := strings.SplitN(componentName, ",", 2)
if len(parts) >= 2 {
componentName = parts[0]
}
return componentExists(componentName, root)
}
func (q *Query) findPopulatePath(path string) {
parts := strings.Split(path, ".")
resultVal := reflect.ValueOf(q.parentStruct).Elem()
var refVal reflect.Value
partsLen := len(parts)
for i := 0; i < partsLen; i++ {
elem := parts[i]
if i == 0 {
refVal = resultVal.FieldByName(elem)
structTag, _ := resultVal.Type().FieldByName(elem)
q.popSchema = structTag.Tag.Get(q.z.modelTag)
} else if i == partsLen-1 {
structTag, _ := refVal.Type().FieldByName(elem)
q.popSchema = structTag.Tag.Get(q.z.modelTag)
refVal = refVal.FieldByName(elem)
} else {
//refVal = handleSlice(refVal, elem, path)
refVal = refVal.FieldByName(elem)
}
if !refVal.IsValid() {
panic("field `" + elem + "` not found in populate path `" + path + "`")
}
}
if refVal.Kind() == reflect.Slice {
q.isSlice = true
}
q.populateField = refVal.Interface()
}
func (w *unknownCheckWalker) Primitive(v reflect.Value) error {
if v.Interface() == unknownValue() {
w.Unknown = true
}
return nil
}
func decStringSlice(state *decoderState, v reflect.Value, length int, ovfl error) bool {
slice, ok := v.Interface().([]string)
if !ok {
// It is kind string but not type string. TODO: We can handle this unsafely.
return false
}
for i := 0; i < length; i++ {
if state.b.Len() == 0 {
errorf("decoding string array or slice: length exceeds input size (%d elements)", length)
}
u := state.decodeUint()
n := int(u)
if n < 0 || uint64(n) != u || n > state.b.Len() {
errorf("length of string exceeds input size (%d bytes)", u)
}
if n > state.b.Len() {
errorf("string data too long for buffer: %d", n)
}
// Read the data.
data := make([]byte, n)
if _, err := state.b.Read(data); err != nil {
errorf("error decoding string: %s", err)
}
slice[i] = string(data)
}
return true
}