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package jsoniter
import (
"fmt"
"strconv"
)
type stringAny struct {
baseAny
val string
}
func (any *stringAny) Get(path ...interface{}) Any {
if len(path) == 0 {
return any
}
return &invalidAny{baseAny{}, fmt.Errorf("GetIndex %v from simple value", path)}
}
func (any *stringAny) Parse() *Iterator {
return nil
}
func (any *stringAny) ValueType() ValueType {
return StringValue
}
func (any *stringAny) MustBeValid() Any {
return any
}
func (any *stringAny) LastError() error {
return nil
}
func (any *stringAny) ToBool() bool {
str := any.ToString()
if str == "0" {
return false
}
for _, c := range str {
switch c {
case ' ', '\n', '\r', '\t':
default:
return true
}
}
return false
}
func (any *stringAny) ToInt() int {
return int(any.ToInt64())
}
func (any *stringAny) ToInt32() int32 {
return int32(any.ToInt64())
}
func (any *stringAny) ToInt64() int64 {
if any.val == "" {
return 0
}
flag := 1
startPos := 0
if any.val[0] == '+' || any.val[0] == '-' {
startPos = 1
}
if any.val[0] == '-' {
flag = -1
}
endPos := startPos
for i := startPos; i < len(any.val); i++ {
if any.val[i] >= '0' && any.val[i] <= '9' {
endPos = i + 1
} else {
break
}
}
parsed, _ := strconv.ParseInt(any.val[startPos:endPos], 10, 64)
return int64(flag) * parsed
}
func (any *stringAny) ToUint() uint {
return uint(any.ToUint64())
}
func (any *stringAny) ToUint32() uint32 {
return uint32(any.ToUint64())
}
func (any *stringAny) ToUint64() uint64 {
if any.val == "" {
return 0
}
startPos := 0
if any.val[0] == '-' {
return 0
}
if any.val[0] == '+' {
startPos = 1
}
endPos := startPos
for i := startPos; i < len(any.val); i++ {
if any.val[i] >= '0' && any.val[i] <= '9' {
endPos = i + 1
} else {
break
}
}
parsed, _ := strconv.ParseUint(any.val[startPos:endPos], 10, 64)
return parsed
}
func (any *stringAny) ToFloat32() float32 {
return float32(any.ToFloat64())
}
func (any *stringAny) ToFloat64() float64 {
if len(any.val) == 0 {
return 0
}
// first char invalid
if any.val[0] != '+' && any.val[0] != '-' && (any.val[0] > '9' || any.val[0] < '0') {
return 0
}
// extract valid num expression from string
// eg 123true => 123, -12.12xxa => -12.12
endPos := 1
for i := 1; i < len(any.val); i++ {
if any.val[i] == '.' || any.val[i] == 'e' || any.val[i] == 'E' || any.val[i] == '+' || any.val[i] == '-' {
endPos = i + 1
continue
}
// end position is the first char which is not digit
if any.val[i] >= '0' && any.val[i] <= '9' {
endPos = i + 1
} else {
endPos = i
break
}
}
parsed, _ := strconv.ParseFloat(any.val[:endPos], 64)
return parsed
}
func (any *stringAny) ToString() string {
return any.val
}
func (any *stringAny) WriteTo(stream *Stream) {
stream.WriteString(any.val)
}
func (any *stringAny) GetInterface() interface{} {
return any.val
}
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