vikunja-api/vendor/xorm.io/xorm/convert.go
konrad d28f005552 Update xorm to v1 (#323)
Fix limit for databases other than sqlite

go mod tidy && go mod vendor

Remove unneeded break statements

Make everything work with the new xorm version

Fix xorm logging

Fix lint

Fix redis init

Fix using id field

Fix database init for testing

Change default database log level

Add xorm logger

Use const for postgres

go mod tidy

Merge branch 'master' into update/xorm

# Conflicts:
#	go.mod
#	go.sum
#	vendor/modules.txt

go mod vendor

Fix loading fixtures for postgres

Go mod vendor1

Update xorm to version 1

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/323
2020-04-12 17:29:24 +00:00

473 lines
11 KiB
Go

// Copyright 2017 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package xorm
import (
"database/sql/driver"
"errors"
"fmt"
"reflect"
"strconv"
"time"
)
var errNilPtr = errors.New("destination pointer is nil") // embedded in descriptive error
func strconvErr(err error) error {
if ne, ok := err.(*strconv.NumError); ok {
return ne.Err
}
return err
}
func cloneBytes(b []byte) []byte {
if b == nil {
return nil
} else {
c := make([]byte, len(b))
copy(c, b)
return c
}
}
func asString(src interface{}) string {
switch v := src.(type) {
case string:
return v
case []byte:
return string(v)
}
rv := reflect.ValueOf(src)
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.FormatInt(rv.Int(), 10)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.FormatUint(rv.Uint(), 10)
case reflect.Float64:
return strconv.FormatFloat(rv.Float(), 'g', -1, 64)
case reflect.Float32:
return strconv.FormatFloat(rv.Float(), 'g', -1, 32)
case reflect.Bool:
return strconv.FormatBool(rv.Bool())
}
return fmt.Sprintf("%v", src)
}
func asBytes(buf []byte, rv reflect.Value) (b []byte, ok bool) {
switch rv.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.AppendInt(buf, rv.Int(), 10), true
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return strconv.AppendUint(buf, rv.Uint(), 10), true
case reflect.Float32:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 32), true
case reflect.Float64:
return strconv.AppendFloat(buf, rv.Float(), 'g', -1, 64), true
case reflect.Bool:
return strconv.AppendBool(buf, rv.Bool()), true
case reflect.String:
s := rv.String()
return append(buf, s...), true
}
return
}
// convertAssign copies to dest the value in src, converting it if possible.
// An error is returned if the copy would result in loss of information.
// dest should be a pointer type.
func convertAssign(dest, src interface{}) error {
// Common cases, without reflect.
switch s := src.(type) {
case string:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = s
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s)
return nil
}
case []byte:
switch d := dest.(type) {
case *string:
if d == nil {
return errNilPtr
}
*d = string(s)
return nil
case *interface{}:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = cloneBytes(s)
return nil
}
case time.Time:
switch d := dest.(type) {
case *string:
*d = s.Format(time.RFC3339Nano)
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = []byte(s.Format(time.RFC3339Nano))
return nil
}
case nil:
switch d := dest.(type) {
case *interface{}:
if d == nil {
return errNilPtr
}
*d = nil
return nil
case *[]byte:
if d == nil {
return errNilPtr
}
*d = nil
return nil
}
}
var sv reflect.Value
switch d := dest.(type) {
case *string:
sv = reflect.ValueOf(src)
switch sv.Kind() {
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Float32, reflect.Float64:
*d = asString(src)
return nil
}
case *[]byte:
sv = reflect.ValueOf(src)
if b, ok := asBytes(nil, sv); ok {
*d = b
return nil
}
case *bool:
bv, err := driver.Bool.ConvertValue(src)
if err == nil {
*d = bv.(bool)
}
return err
case *interface{}:
*d = src
return nil
}
dpv := reflect.ValueOf(dest)
if dpv.Kind() != reflect.Ptr {
return errors.New("destination not a pointer")
}
if dpv.IsNil() {
return errNilPtr
}
if !sv.IsValid() {
sv = reflect.ValueOf(src)
}
dv := reflect.Indirect(dpv)
if sv.IsValid() && sv.Type().AssignableTo(dv.Type()) {
switch b := src.(type) {
case []byte:
dv.Set(reflect.ValueOf(cloneBytes(b)))
default:
dv.Set(sv)
}
return nil
}
if dv.Kind() == sv.Kind() && sv.Type().ConvertibleTo(dv.Type()) {
dv.Set(sv.Convert(dv.Type()))
return nil
}
switch dv.Kind() {
case reflect.Ptr:
if src == nil {
dv.Set(reflect.Zero(dv.Type()))
return nil
}
dv.Set(reflect.New(dv.Type().Elem()))
return convertAssign(dv.Interface(), src)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
s := asString(src)
i64, err := strconv.ParseInt(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetInt(i64)
return nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
s := asString(src)
u64, err := strconv.ParseUint(s, 10, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetUint(u64)
return nil
case reflect.Float32, reflect.Float64:
s := asString(src)
f64, err := strconv.ParseFloat(s, dv.Type().Bits())
if err != nil {
err = strconvErr(err)
return fmt.Errorf("converting driver.Value type %T (%q) to a %s: %v", src, s, dv.Kind(), err)
}
dv.SetFloat(f64)
return nil
case reflect.String:
dv.SetString(asString(src))
return nil
}
return fmt.Errorf("unsupported Scan, storing driver.Value type %T into type %T", src, dest)
}
func asKind(vv reflect.Value, tp reflect.Type) (interface{}, error) {
switch tp.Kind() {
case reflect.Int64:
return vv.Int(), nil
case reflect.Int:
return int(vv.Int()), nil
case reflect.Int32:
return int32(vv.Int()), nil
case reflect.Int16:
return int16(vv.Int()), nil
case reflect.Int8:
return int8(vv.Int()), nil
case reflect.Uint64:
return vv.Uint(), nil
case reflect.Uint:
return uint(vv.Uint()), nil
case reflect.Uint32:
return uint32(vv.Uint()), nil
case reflect.Uint16:
return uint16(vv.Uint()), nil
case reflect.Uint8:
return uint8(vv.Uint()), nil
case reflect.String:
return vv.String(), nil
case reflect.Slice:
if tp.Elem().Kind() == reflect.Uint8 {
v, err := strconv.ParseInt(string(vv.Interface().([]byte)), 10, 64)
if err != nil {
return nil, err
}
return v, nil
}
}
return nil, fmt.Errorf("unsupported primary key type: %v, %v", tp, vv)
}
func convertFloat(v interface{}) (float64, error) {
switch v.(type) {
case float32:
return float64(v.(float32)), nil
case float64:
return v.(float64), nil
case string:
i, err := strconv.ParseFloat(v.(string), 64)
if err != nil {
return 0, err
}
return i, nil
case []byte:
i, err := strconv.ParseFloat(string(v.([]byte)), 64)
if err != nil {
return 0, err
}
return i, nil
}
return 0, fmt.Errorf("unsupported type: %v", v)
}
func convertInt(v interface{}) (int64, error) {
switch v.(type) {
case int:
return int64(v.(int)), nil
case int8:
return int64(v.(int8)), nil
case int16:
return int64(v.(int16)), nil
case int32:
return int64(v.(int32)), nil
case int64:
return v.(int64), nil
case []byte:
i, err := strconv.ParseInt(string(v.([]byte)), 10, 64)
if err != nil {
return 0, err
}
return i, nil
case string:
i, err := strconv.ParseInt(v.(string), 10, 64)
if err != nil {
return 0, err
}
return i, nil
}
return 0, fmt.Errorf("unsupported type: %v", v)
}
func asBool(bs []byte) (bool, error) {
if len(bs) == 0 {
return false, nil
}
if bs[0] == 0x00 {
return false, nil
} else if bs[0] == 0x01 {
return true, nil
}
return strconv.ParseBool(string(bs))
}
// str2PK convert string value to primary key value according to tp
func str2PKValue(s string, tp reflect.Type) (reflect.Value, error) {
var err error
var result interface{}
var defReturn = reflect.Zero(tp)
switch tp.Kind() {
case reflect.Int:
result, err = strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int: %s", s, err.Error())
}
case reflect.Int8:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int8: %s", s, err.Error())
}
result = int8(x)
case reflect.Int16:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int16: %s", s, err.Error())
}
result = int16(x)
case reflect.Int32:
x, err := strconv.Atoi(s)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int32: %s", s, err.Error())
}
result = int32(x)
case reflect.Int64:
result, err = strconv.ParseInt(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as int64: %s", s, err.Error())
}
case reflect.Uint:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint: %s", s, err.Error())
}
result = uint(x)
case reflect.Uint8:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint8: %s", s, err.Error())
}
result = uint8(x)
case reflect.Uint16:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint16: %s", s, err.Error())
}
result = uint16(x)
case reflect.Uint32:
x, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint32: %s", s, err.Error())
}
result = uint32(x)
case reflect.Uint64:
result, err = strconv.ParseUint(s, 10, 64)
if err != nil {
return defReturn, fmt.Errorf("convert %s as uint64: %s", s, err.Error())
}
case reflect.String:
result = s
default:
return defReturn, errors.New("unsupported convert type")
}
return reflect.ValueOf(result).Convert(tp), nil
}
func str2PK(s string, tp reflect.Type) (interface{}, error) {
v, err := str2PKValue(s, tp)
if err != nil {
return nil, err
}
return v.Interface(), nil
}
func int64ToIntValue(id int64, tp reflect.Type) reflect.Value {
var v interface{}
kind := tp.Kind()
if kind == reflect.Ptr {
kind = tp.Elem().Kind()
}
switch kind {
case reflect.Int16:
temp := int16(id)
v = &temp
case reflect.Int32:
temp := int32(id)
v = &temp
case reflect.Int:
temp := int(id)
v = &temp
case reflect.Int64:
temp := id
v = &temp
case reflect.Uint16:
temp := uint16(id)
v = &temp
case reflect.Uint32:
temp := uint32(id)
v = &temp
case reflect.Uint64:
temp := uint64(id)
v = &temp
case reflect.Uint:
temp := uint(id)
v = &temp
}
if tp.Kind() == reflect.Ptr {
return reflect.ValueOf(v).Convert(tp)
}
return reflect.ValueOf(v).Elem().Convert(tp)
}
func int64ToInt(id int64, tp reflect.Type) interface{} {
return int64ToIntValue(id, tp).Interface()
}