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86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
// mauflag - An extendable command-line argument parser for Golang
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// Copyright (C) 2016 Maunium
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package mauflag
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import (
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"os"
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)
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var defaultSet = New(os.Args[1:])
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// DefaultSet returns the default flagset which takes its arguments from os.Args
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func DefaultSet() *Set {
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return defaultSet
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}
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// Make creates and registers a flag
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func Make() *Flag {
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return DefaultSet().Make()
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}
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// MakeKey creates and registers a flag with the given short and long keys
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func MakeKey(short, long string) *Flag {
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return DefaultSet().MakeKey(short, long)
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}
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// MakeFull creates and registers a flag with the given short and long keys, usage string and default value
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func MakeFull(short, long, usage, defVal string) *Flag {
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return DefaultSet().MakeFull(short, long, usage, defVal)
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}
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// Parse the command line arguments into mauflag form
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func Parse() error {
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return DefaultSet().Parse()
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}
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// Args returns the arguments that weren't associated with any flag
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func Args() []string {
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return DefaultSet().Args()
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}
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// Arg returns the string at the given index from the list Args() returns
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// If the index does not exist, Arg will return an empty string.
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func Arg(i int) string {
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return DefaultSet().Arg(i)
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}
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// NArg returns the number of arguments not associated with any flags
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func NArg() int {
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return len(DefaultSet().args)
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}
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// MakeHelpFlag creates the -h, --help flag
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func MakeHelpFlag() (*bool, *Flag) {
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return DefaultSet().MakeHelpFlag()
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}
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// CheckHelpFlag checks if the help flag is set and prints the help page if needed.
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// Return value tells whether or not the help page was printed
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func CheckHelpFlag() bool {
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return DefaultSet().CheckHelpFlag()
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}
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// SetHelpTitles sets the first line (program name and basic explanation) and basic usage specification
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func SetHelpTitles(firstLine, basicUsage string) {
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DefaultSet().SetHelpTitles(firstLine, basicUsage)
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}
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// PrintHelp prints the help page
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func PrintHelp() {
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DefaultSet().PrintHelp()
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}
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