godog/arguments.go
2015-06-17 13:54:31 +03:00

90 строки
2,1 КиБ
Go

package godog
import (
"fmt"
"strconv"
)
// Arg is an argument for StepHandler parsed from
// the regexp submatch to handle the step
type Arg string
// Float64 converts an argument to float64
// or panics if unable to convert it
func (a Arg) Float64() float64 {
v, err := strconv.ParseFloat(string(a), 64)
if err == nil {
return v
}
panic(fmt.Sprintf(`cannot convert "%s" to float64: %s`, a, err))
}
// Float32 converts an argument to float32
// or panics if unable to convert it
func (a Arg) Float32() float32 {
v, err := strconv.ParseFloat(string(a), 32)
if err == nil {
return float32(v)
}
panic(fmt.Sprintf(`cannot convert "%s" to float32: %s`, a, err))
}
// Int converts an argument to int
// or panics if unable to convert it
func (a Arg) Int() int {
v, err := strconv.ParseInt(string(a), 10, 0)
if err == nil {
return int(v)
}
panic(fmt.Sprintf(`cannot convert "%s" to int: %s`, a, err))
}
// Int64 converts an argument to int64
// or panics if unable to convert it
func (a Arg) Int64() int64 {
v, err := strconv.ParseInt(string(a), 10, 64)
if err == nil {
return v
}
panic(fmt.Sprintf(`cannot convert "%s" to int64: %s`, a, err))
}
// Int32 converts an argument to int32
// or panics if unable to convert it
func (a Arg) Int32() int32 {
v, err := strconv.ParseInt(string(a), 10, 32)
if err == nil {
return int32(v)
}
panic(fmt.Sprintf(`cannot convert "%s" to int32: %s`, a, err))
}
// Int16 converts an argument to int16
// or panics if unable to convert it
func (a Arg) Int16() int16 {
v, err := strconv.ParseInt(string(a), 10, 16)
if err == nil {
return int16(v)
}
panic(fmt.Sprintf(`cannot convert "%s" to int16: %s`, a, err))
}
// Int8 converts an argument to int8
// or panics if unable to convert it
func (a Arg) Int8() int8 {
v, err := strconv.ParseInt(string(a), 10, 8)
if err == nil {
return int8(v)
}
panic(fmt.Sprintf(`cannot convert "%s" to int8: %s`, a, err))
}
// String converts an argument to string
func (a Arg) String() string {
return string(a)
}
// Bytes converts an argument string to bytes
func (a Arg) Bytes() []byte {
return []byte(a)
}