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50 lines
1004 B
50 lines
1004 B
// Copyright 2019 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 builder
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type condIf struct {
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condition bool
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condTrue Cond
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condFalse Cond
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}
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var _ Cond = condIf{}
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// If returns Cond via condition
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func If(condition bool, condTrue Cond, condFalse ...Cond) Cond {
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var c = condIf{
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condition: condition,
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condTrue: condTrue,
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}
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if len(condFalse) > 0 {
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c.condFalse = condFalse[0]
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}
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return c
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}
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func (condIf condIf) WriteTo(w Writer) error {
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if condIf.condition {
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return condIf.condTrue.WriteTo(w)
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} else if condIf.condFalse != nil {
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return condIf.condFalse.WriteTo(w)
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}
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return nil
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}
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func (condIf condIf) And(conds ...Cond) Cond {
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return And(condIf, And(conds...))
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}
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func (condIf condIf) Or(conds ...Cond) Cond {
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return Or(condIf, Or(conds...))
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}
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func (condIf condIf) IsValid() bool {
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if condIf.condition {
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return condIf.condTrue != nil
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}
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return condIf.condFalse != nil
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}
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