forked from mirror/pkger
77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package here
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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// Info represents details about the directory/package
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type Info struct {
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Dir string
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ImportPath string
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Name string
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Module Module
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}
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func (fi Info) MarshalJSON() ([]byte, error) {
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mm := map[string]interface{}{
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"ImportPath": fi.ImportPath,
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"Name": fi.Name,
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"Module": fi.Module,
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"Dir": fi.Dir,
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}
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return json.Marshal(mm)
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}
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func (i Info) FilePath(paths ...string) string {
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res := []string{i.Dir}
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for _, p := range paths {
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p = strings.TrimPrefix(p, i.Dir)
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p = strings.TrimPrefix(p, "/")
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if runtime.GOOS == "windows" {
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p = strings.Replace(p, "/", "\\", -1)
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}
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res = append(res, p)
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}
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return filepath.Join(res...)
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}
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func (i Info) Open(p string) (*os.File, error) {
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return os.Open(i.FilePath(p))
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}
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// ModuleName returns the name of the current
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// module, or if not using modules, the current
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// package. These *might* not match.
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func (i Info) ModuleName() string {
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if i.Mods() {
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return i.Module.Path
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}
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return i.ImportPath
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}
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// IsZero checks if the type has been filled
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// with rich chocolately data goodness
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func (i Info) IsZero() bool {
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return i.String() == Info{}.String()
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}
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// Mods returns whether Go modules are used
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// in this directory/package.
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func (i Info) Mods() bool {
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return !i.Module.IsZero()
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}
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func (i Info) String() string {
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b, err := json.MarshalIndent(i, "", " ")
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if err != nil {
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return err.Error()
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}
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s := string(b)
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return s
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}
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