author | Mikael Berthe <mikael@lilotux.net> |
Sat, 29 Sep 2018 18:09:54 +0200 | |
changeset 242 | 2a9ec03fe5a1 |
child 265 | 05c40b36d3b2 |
permissions | -rw-r--r-- |
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
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1 |
// Copyright 2018 Frank Schroeder. All rights reserved. |
2a9ec03fe5a1
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2 |
// Use of this source code is governed by a BSD-style |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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3 |
// license that can be found in the LICENSE file. |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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4 |
|
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5 |
package properties |
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6 |
|
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7 |
import "flag" |
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8 |
|
2a9ec03fe5a1
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parents:
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9 |
// MustFlag sets flags that are skipped by dst.Parse when p contains |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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10 |
// the respective key for flag.Flag.Name. |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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11 |
// |
2a9ec03fe5a1
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parents:
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// It's use is recommended with command line arguments as in: |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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13 |
// flag.Parse() |
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parents:
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14 |
// p.MustFlag(flag.CommandLine) |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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15 |
func (p *Properties) MustFlag(dst *flag.FlagSet) { |
2a9ec03fe5a1
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16 |
m := make(map[string]*flag.Flag) |
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17 |
dst.VisitAll(func(f *flag.Flag) { |
2a9ec03fe5a1
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parents:
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18 |
m[f.Name] = f |
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19 |
}) |
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parents:
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20 |
dst.Visit(func(f *flag.Flag) { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
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21 |
delete(m, f.Name) // overridden |
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22 |
}) |
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23 |
|
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parents:
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for name, f := range m { |
2a9ec03fe5a1
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parents:
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25 |
v, ok := p.Get(name) |
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26 |
if !ok { |
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27 |
continue |
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28 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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29 |
|
2a9ec03fe5a1
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parents:
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|
30 |
if err := f.Value.Set(v); err != nil { |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
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31 |
ErrorHandler(err) |
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} |
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Mikael Berthe <mikael@lilotux.net>
parents:
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33 |
} |
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parents:
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34 |
} |