55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
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/*
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Copyright 2017 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package args
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import (
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"fmt"
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"github.com/spf13/pflag"
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"k8s.io/gengo/args"
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"k8s.io/gengo/examples/defaulter-gen/generators"
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)
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// CustomArgs is used by the gengo framework to pass args specific to this generator.
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type CustomArgs generators.CustomArgs
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// NewDefaults returns default arguments for the generator.
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func NewDefaults() (*args.GeneratorArgs, *CustomArgs) {
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genericArgs := args.Default().WithoutDefaultFlagParsing()
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customArgs := &CustomArgs{}
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genericArgs.CustomArgs = (*generators.CustomArgs)(customArgs) // convert to upstream type to make type-casts work there
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genericArgs.OutputFileBaseName = "zz_generated.defaults"
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return genericArgs, customArgs
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}
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// AddFlags add the generator flags to the flag set.
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func (ca *CustomArgs) AddFlags(fs *pflag.FlagSet) {
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pflag.CommandLine.StringSliceVar(&ca.ExtraPeerDirs, "extra-peer-dirs", ca.ExtraPeerDirs,
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"Comma-separated list of import paths which are considered, after tag-specified peers, for conversions.")
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}
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// Validate checks the given arguments.
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func Validate(genericArgs *args.GeneratorArgs) error {
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_ = genericArgs.CustomArgs.(*generators.CustomArgs)
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if len(genericArgs.OutputFileBaseName) == 0 {
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return fmt.Errorf("output file base name cannot be empty")
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}
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return nil
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}
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