mirror of
https://github.com/go-gitea/gitea
synced 2024-12-25 10:04:27 +00:00
179 lines
4.0 KiB
Go
179 lines
4.0 KiB
Go
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// Copyright 2021 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package convert
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import (
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"database/sql"
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"database/sql/driver"
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"fmt"
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"reflect"
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"strconv"
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)
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// AsInt64 converts interface as int64
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func AsInt64(src interface{}) (int64, error) {
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switch v := src.(type) {
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case int:
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return int64(v), nil
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case int16:
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return int64(v), nil
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case int32:
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return int64(v), nil
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case int8:
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return int64(v), nil
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case int64:
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return v, nil
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case uint:
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return int64(v), nil
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case uint8:
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return int64(v), nil
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case uint16:
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return int64(v), nil
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case uint32:
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return int64(v), nil
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case uint64:
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return int64(v), nil
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case []byte:
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return strconv.ParseInt(string(v), 10, 64)
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case string:
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return strconv.ParseInt(v, 10, 64)
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case *sql.NullString:
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return strconv.ParseInt(v.String, 10, 64)
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case *sql.NullInt32:
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return int64(v.Int32), nil
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case *sql.NullInt64:
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return int64(v.Int64), nil
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}
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rv := reflect.ValueOf(src)
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switch rv.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return rv.Int(), nil
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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return int64(rv.Uint()), nil
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case reflect.Float64, reflect.Float32:
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return int64(rv.Float()), nil
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case reflect.String:
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return strconv.ParseInt(rv.String(), 10, 64)
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}
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return 0, fmt.Errorf("unsupported value %T as int64", src)
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}
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// AsUint64 converts interface as uint64
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func AsUint64(src interface{}) (uint64, error) {
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switch v := src.(type) {
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case int:
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return uint64(v), nil
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case int16:
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return uint64(v), nil
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case int32:
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return uint64(v), nil
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case int8:
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return uint64(v), nil
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case int64:
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return uint64(v), nil
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case uint:
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return uint64(v), nil
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case uint8:
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return uint64(v), nil
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case uint16:
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return uint64(v), nil
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case uint32:
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return uint64(v), nil
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case uint64:
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return v, nil
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case []byte:
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return strconv.ParseUint(string(v), 10, 64)
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case string:
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return strconv.ParseUint(v, 10, 64)
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case *sql.NullString:
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return strconv.ParseUint(v.String, 10, 64)
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case *sql.NullInt32:
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return uint64(v.Int32), nil
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case *sql.NullInt64:
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return uint64(v.Int64), nil
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}
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rv := reflect.ValueOf(src)
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switch rv.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return uint64(rv.Int()), nil
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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return uint64(rv.Uint()), nil
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case reflect.Float64, reflect.Float32:
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return uint64(rv.Float()), nil
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case reflect.String:
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return strconv.ParseUint(rv.String(), 10, 64)
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}
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return 0, fmt.Errorf("unsupported value %T as uint64", src)
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}
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var (
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_ sql.Scanner = &NullUint64{}
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)
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// NullUint64 represents an uint64 that may be null.
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// NullUint64 implements the Scanner interface so
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// it can be used as a scan destination, similar to NullString.
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type NullUint64 struct {
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Uint64 uint64
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Valid bool
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}
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// Scan implements the Scanner interface.
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func (n *NullUint64) Scan(value interface{}) error {
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if value == nil {
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n.Uint64, n.Valid = 0, false
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return nil
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}
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n.Valid = true
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var err error
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n.Uint64, err = AsUint64(value)
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return err
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}
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// Value implements the driver Valuer interface.
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func (n NullUint64) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return n.Uint64, nil
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}
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var (
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_ sql.Scanner = &NullUint32{}
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)
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// NullUint32 represents an uint32 that may be null.
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// NullUint32 implements the Scanner interface so
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// it can be used as a scan destination, similar to NullString.
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type NullUint32 struct {
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Uint32 uint32
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Valid bool // Valid is true if Uint32 is not NULL
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}
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// Scan implements the Scanner interface.
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func (n *NullUint32) Scan(value interface{}) error {
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if value == nil {
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n.Uint32, n.Valid = 0, false
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return nil
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}
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n.Valid = true
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i64, err := AsUint64(value)
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if err != nil {
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return err
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}
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n.Uint32 = uint32(i64)
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return nil
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}
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// Value implements the driver Valuer interface.
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func (n NullUint32) Value() (driver.Value, error) {
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if !n.Valid {
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return nil, nil
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}
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return int64(n.Uint32), nil
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}
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