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