52 lines
995 B
Go
Vendored
52 lines
995 B
Go
Vendored
// 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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"fmt"
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"strconv"
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)
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// AsBool convert interface as bool
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func AsBool(src interface{}) (bool, error) {
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switch v := src.(type) {
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case bool:
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return v, nil
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case *bool:
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return *v, nil
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case *sql.NullBool:
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return v.Bool, nil
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case int64:
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return v > 0, nil
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case int:
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return v > 0, nil
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case int8:
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return v > 0, nil
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case int16:
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return v > 0, nil
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case int32:
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return v > 0, nil
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case []byte:
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if len(v) == 0 {
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return false, nil
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}
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if v[0] == 0x00 {
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return false, nil
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} else if v[0] == 0x01 {
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return true, nil
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}
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return strconv.ParseBool(string(v))
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case string:
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return strconv.ParseBool(v)
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case *sql.NullInt64:
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return v.Int64 > 0, nil
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case *sql.NullInt32:
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return v.Int32 > 0, nil
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default:
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return false, fmt.Errorf("unknow type %T as bool", src)
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}
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}
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