mirror of https://github.com/status-im/consul.git
136 lines
4.3 KiB
Go
136 lines
4.3 KiB
Go
package bexpr
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import (
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"reflect"
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"strconv"
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)
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// CoerceInt conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int`
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func CoerceInt(value string) (interface{}, error) {
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i, err := strconv.ParseInt(value, 0, 0)
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return int(i), err
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}
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// CoerceInt8 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int8`
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func CoerceInt8(value string) (interface{}, error) {
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i, err := strconv.ParseInt(value, 0, 8)
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return int8(i), err
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}
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// CoerceInt16 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int16`
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func CoerceInt16(value string) (interface{}, error) {
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i, err := strconv.ParseInt(value, 0, 16)
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return int16(i), err
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}
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// CoerceInt32 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int32`
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func CoerceInt32(value string) (interface{}, error) {
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i, err := strconv.ParseInt(value, 0, 32)
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return int32(i), err
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}
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// CoerceInt64 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int64`
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func CoerceInt64(value string) (interface{}, error) {
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i, err := strconv.ParseInt(value, 0, 64)
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return int64(i), err
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}
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// CoerceUint conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int`
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func CoerceUint(value string) (interface{}, error) {
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i, err := strconv.ParseUint(value, 0, 0)
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return uint(i), err
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}
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// CoerceUint8 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int8`
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func CoerceUint8(value string) (interface{}, error) {
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i, err := strconv.ParseUint(value, 0, 8)
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return uint8(i), err
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}
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// CoerceUint16 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int16`
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func CoerceUint16(value string) (interface{}, error) {
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i, err := strconv.ParseUint(value, 0, 16)
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return uint16(i), err
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}
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// CoerceUint32 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int32`
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func CoerceUint32(value string) (interface{}, error) {
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i, err := strconv.ParseUint(value, 0, 32)
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return uint32(i), err
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}
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// CoerceUint64 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `int64`
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func CoerceUint64(value string) (interface{}, error) {
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i, err := strconv.ParseUint(value, 0, 64)
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return uint64(i), err
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}
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// CoerceBool conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into a `bool`
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func CoerceBool(value string) (interface{}, error) {
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return strconv.ParseBool(value)
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}
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// CoerceFloat32 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `float32`
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func CoerceFloat32(value string) (interface{}, error) {
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// ParseFloat always returns a float64 but ensures
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// it can be converted to a float32 without changing
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// its value
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f, err := strconv.ParseFloat(value, 32)
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return float32(f), err
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}
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// CoerceFloat64 conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into an `float64`
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func CoerceFloat64(value string) (interface{}, error) {
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return strconv.ParseFloat(value, 64)
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}
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// CoerceString conforms to the FieldValueCoercionFn signature
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// and can be used to convert the raw string value of
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// an expression into a `string`
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func CoerceString(value string) (interface{}, error) {
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return value, nil
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}
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var primitiveCoercionFns = map[reflect.Kind]FieldValueCoercionFn{
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reflect.Bool: CoerceBool,
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reflect.Int: CoerceInt,
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reflect.Int8: CoerceInt8,
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reflect.Int16: CoerceInt16,
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reflect.Int32: CoerceInt32,
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reflect.Int64: CoerceInt64,
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reflect.Uint: CoerceUint,
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reflect.Uint8: CoerceUint8,
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reflect.Uint16: CoerceUint16,
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reflect.Uint32: CoerceUint32,
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reflect.Uint64: CoerceUint64,
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reflect.Float32: CoerceFloat32,
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reflect.Float64: CoerceFloat64,
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reflect.String: CoerceString,
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}
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