51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package main
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import (
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"go/build"
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"io/ioutil"
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"path/filepath"
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"github.com/posener/complete"
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)
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// predictPackages completes packages in the directory pointed by a.Last
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// and packages that are one level below that package.
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func predictPackages(a complete.Args) (prediction []string) {
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prediction = complete.PredictFilesSet(listPackages(a.Directory())).Predict(a)
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if len(prediction) != 1 {
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return
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}
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return complete.PredictFilesSet(listPackages(prediction[0])).Predict(a)
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}
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// listPackages looks in current pointed dir and in all it's direct sub-packages
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// and return a list of paths to go packages.
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func listPackages(dir string) (directories []string) {
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// add subdirectories
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files, err := ioutil.ReadDir(dir)
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if err != nil {
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complete.Log("failed reading directory %s: %s", dir, err)
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return
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}
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// build paths array
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paths := make([]string, 0, len(files)+1)
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for _, f := range files {
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if f.IsDir() {
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paths = append(paths, filepath.Join(dir, f.Name()))
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}
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}
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paths = append(paths, dir)
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// import packages according to given paths
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for _, p := range paths {
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pkg, err := build.ImportDir(p, 0)
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if err != nil {
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complete.Log("failed importing directory %s: %s", p, err)
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continue
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}
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directories = append(directories, pkg.Dir)
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}
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return
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}
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