forked from mirror/pkger
154 lines
2.9 KiB
Go
154 lines
2.9 KiB
Go
package here
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"runtime"
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"strings"
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"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa"
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"github.com/markbates/pkger/internal/takeon/github.com/markbates/hepa/filters"
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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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// Imports []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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// "Imports": fi.Imports,
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"Module": fi.Module,
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}
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hep := hepa.New()
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hep = hepa.With(hep, filters.Home())
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hep = hepa.With(hep, filters.Golang())
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cm := map[string]string{
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"Dir": fi.Dir,
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}
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for k, v := range cm {
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b, err := hep.Filter([]byte(v))
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if err != nil {
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return nil, err
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}
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mm[k] = string(b)
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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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func (i Info) Parse(p string) (Path, error) {
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p = strings.TrimSpace(p)
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p = filepath.Clean(p)
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p = strings.TrimPrefix(p, i.Dir)
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p = strings.Replace(p, "\\", "/", -1)
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p = strings.TrimSpace(p)
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if len(p) == 0 || p == ":" {
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return i.build("", "", "")
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}
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res := pathrx.FindAllStringSubmatch(p, -1)
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if len(res) == 0 {
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return Path{}, fmt.Errorf("could not parse %q", p)
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}
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matches := res[0]
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if len(matches) != 4 {
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return Path{}, fmt.Errorf("could not parse %q", p)
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}
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return i.build(p, matches[1], matches[3])
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}
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func (i Info) build(p, pkg, name string) (Path, error) {
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pt := Path{
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Pkg: pkg,
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Name: name,
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}
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if strings.HasPrefix(pt.Pkg, "/") || len(pt.Pkg) == 0 {
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pt.Name = pt.Pkg
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pt.Pkg = i.ImportPath
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}
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if len(pt.Name) == 0 {
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pt.Name = "/"
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}
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if pt.Pkg == pt.Name {
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pt.Pkg = i.ImportPath
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pt.Name = "/"
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}
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if !strings.HasPrefix(pt.Name, "/") {
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pt.Name = "/" + pt.Name
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}
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pt.Name = strings.TrimPrefix(pt.Name, i.Dir)
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return pt, nil
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}
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var pathrx = regexp.MustCompile("([^:]+)(:(/.+))?")
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