44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
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package arguments
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// View represents the global command-line arguments which configure the view.
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type View struct {
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// NoColor is used to disable the use of terminal color codes in all
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// output.
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NoColor bool
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// CompactWarnings is used to coalesce duplicate warnings, to reduce the
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// level of noise when multiple instances of the same warning are raised
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// for a configuration.
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CompactWarnings bool
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}
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// ParseView processes CLI arguments, returning a View value and a
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// possibly-modified slice of arguments. If any of the supported flags are
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// found, they will be removed from the slice.
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func ParseView(args []string) (*View, []string) {
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common := &View{}
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// Keep track of the length of the returned slice. When we find an
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// argument we support, i will not be incremented.
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i := 0
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for _, v := range args {
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switch v {
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case "-no-color":
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common.NoColor = true
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case "-compact-warnings":
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common.CompactWarnings = true
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default:
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// Unsupported argument: move left to the current position, and
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// increment the index.
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args[i] = v
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i++
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}
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}
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// Reduce the slice to the number of unsupported arguments. Any remaining
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// to the right of i have already been moved left.
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args = args[:i]
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return common, args
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}
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