65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cli
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import (
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"strings"
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"github.com/kr/text"
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)
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func flag(n string) (s string) {
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if f, ok := flags[n]; ok {
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s += "\n\n"
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if u, ok := usage[n]; !ok {
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s += indent(8, wrap(f))
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s += "\n"
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} else {
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s += indent(8, wrap(f+" For example:"))
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s += "\n"
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for _, i := range u {
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s += "\n" + strings.Repeat(" ", 12) + i
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}
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s += "\n"
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}
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// Indent default values
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s += strings.Repeat(" ", 7)
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}
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return
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}
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func wrap(s string) string {
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return text.Wrap(s, 71)
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}
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func indent(i int, s string) string {
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return text.Indent(s, strings.Repeat(" ", i))
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}
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