/
ints.go
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/
ints.go
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// Copyright 2019 dfuse Platform Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"encoding/json"
"errors"
"strconv"
)
///
/// Uint16
///
type Uint16 uint16
func (u Uint16) ImplementsGraphQLType(name string) bool {
return name == "Uint16"
}
func (u *Uint16) Native() uint16 {
if u == nil {
return 0
}
return uint16(*u)
}
func (u *Uint16) UnmarshalGraphQL(input interface{}) error {
// FIXME: do bound checks, ensure it fits within the Uint32
// boundaries before truncating silently.
var err error
switch input := input.(type) {
case float64:
*u = Uint16(input)
case float32:
*u = Uint16(input)
case int64:
*u = Uint16(input)
case uint64:
*u = Uint16(input)
case uint32:
*u = Uint16(input)
case int32:
*u = Uint16(input)
case uint16:
*u = Uint16(input)
case int16:
*u = Uint16(input)
case string:
res, err2 := strconv.ParseUint(input, 10, 16)
if err2 != nil {
err = err2
break
}
*u = Uint16(res)
default:
err = errors.New("wrong type")
}
return err
}
func (u Uint16) MarshalJSON() ([]byte, error) {
return []byte(strconv.FormatUint(uint64(u.Native()), 10)), nil
}
///
/// Uint32
///
type Uint32 uint32
func (u Uint32) ImplementsGraphQLType(name string) bool {
return name == "Uint32"
}
func (u *Uint32) Native() uint32 {
if u == nil {
return 0
}
return uint32(*u)
}
func (u *Uint32) UnmarshalGraphQL(input interface{}) error {
var err error
switch input := input.(type) {
case float64:
// FIXME: do bound checks, ensure it fits within the Uint32
// boundaries before truncating silently.
*u = Uint32(input)
case float32:
*u = Uint32(input)
case int64:
*u = Uint32(input)
case uint64:
*u = Uint32(input)
case uint32:
*u = Uint32(input)
case int32:
*u = Uint32(input)
case string:
res, err2 := strconv.ParseUint(input, 10, 32)
if err2 != nil {
err = err2
break
}
*u = Uint32(res)
default:
err = errors.New("wrong type")
}
return err
}
func (u Uint32) MarshalJSON() ([]byte, error) {
return []byte(strconv.FormatUint(uint64(u.Native()), 10)), nil
}
///
/// Int64
///
type Int64 int64
func ToInt64(rawJSON string) Int64 {
var res Int64
_ = res.UnmarshalJSON([]byte(rawJSON))
return res
}
func (u Int64) ImplementsGraphQLType(name string) bool {
return name == "Int64"
}
func (u *Int64) Native() int64 {
if u == nil {
return 0
}
return int64(*u)
}
func (u *Int64) UnmarshalGraphQL(input interface{}) error {
var err error
switch input := input.(type) {
case string:
res, err2 := strconv.ParseInt(input, 10, 64)
if err2 != nil {
err = err2
break
}
*u = Int64(res)
case float64:
// FIXME: do bound checks, ensure it fits within the Int64
// boundaries before truncating silently.
*u = Int64(input)
case float32:
*u = Int64(input)
case int64:
*u = Int64(input)
case uint64:
*u = Int64(input)
case uint32:
*u = Int64(input)
case int32:
*u = Int64(input)
default:
err = errors.New("wrong type")
}
return err
}
func (u Int64) MarshalJSON() ([]byte, error) {
return []byte(`"` + strconv.FormatInt(u.Native(), 10) + `"`), nil
}
func (i *Int64) UnmarshalJSON(data []byte) error {
if len(data) == 0 {
return errors.New("empty value")
}
if data[0] == '"' {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
val, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return err
}
*i = Int64(val)
return nil
}
var v int64
if err := json.Unmarshal(data, &v); err != nil {
return err
}
*i = Int64(v)
return nil
}
///
/// Uint64
///
type Uint64 uint64
// ToUint64 does JSON decoding of an uint64, and returns a Uint64 from this package.
func ToUint64(rawJSON string) Uint64 {
var res Uint64
_ = res.UnmarshalJSON([]byte(rawJSON))
return res
}
func (u Uint64) ImplementsGraphQLType(name string) bool {
return name == "Uint64"
}
func (u *Uint64) Native() uint64 {
if u == nil {
return 0
}
return uint64(*u)
}
func (u *Uint64) UnmarshalGraphQL(input interface{}) error {
var err error
switch input := input.(type) {
case string:
res, err2 := strconv.ParseUint(input, 10, 64)
if err2 != nil {
err = err2
break
}
*u = Uint64(res)
case float64:
// FIXME: do bound checks, ensure it fits within the Uint64
// boundaries before truncating silently.
*u = Uint64(input)
case float32:
*u = Uint64(input)
case int64:
*u = Uint64(input)
case uint64:
*u = Uint64(input)
case uint32:
*u = Uint64(input)
case int32:
*u = Uint64(input)
default:
err = errors.New("wrong type")
}
return err
}
func (u Uint64) MarshalJSON() ([]byte, error) {
return []byte(`"` + strconv.FormatUint(u.Native(), 10) + `"`), nil
}
func (i *Uint64) UnmarshalJSON(data []byte) error {
if len(data) == 0 {
return errors.New("empty value")
}
if data[0] == '"' {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
val, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return err
}
*i = Uint64(val)
return nil
}
var v uint64
if err := json.Unmarshal(data, &v); err != nil {
return err
}
*i = Uint64(v)
return nil
}