diff options
Diffstat (limited to 'vendor/github.com/adrg/xdg/internal')
4 files changed, 203 insertions, 0 deletions
diff --git a/vendor/github.com/adrg/xdg/internal/pathutil/pathutil.go b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil.go new file mode 100644 index 000000000..7422342b3 --- /dev/null +++ b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil.go @@ -0,0 +1,78 @@ +package pathutil + +import ( + "fmt" + "os" + "path/filepath" + "strings" +) + +// Unique eliminates the duplicate paths from the provided slice and returns +// the result. The items in the output slice are in the order in which they +// occur in the input slice. If a `home` location is provided, the paths are +// expanded using the `ExpandHome` function. +func Unique(paths []string, home string) []string { + var ( + uniq []string + registry = map[string]struct{}{} + ) + + for _, p := range paths { + p = ExpandHome(p, home) + if p != "" && filepath.IsAbs(p) { + if _, ok := registry[p]; ok { + continue + } + + registry[p] = struct{}{} + uniq = append(uniq, p) + } + } + + return uniq +} + +// Create returns a suitable location relative to which the file with the +// specified `name` can be written. The first path from the provided `paths` +// slice which is successfully created (or already exists) is used as a base +// path for the file. The `name` parameter should contain the name of the file +// which is going to be written in the location returned by this function, but +// it can also contain a set of parent directories, which will be created +// relative to the selected parent path. +func Create(name string, paths []string) (string, error) { + var searchedPaths []string + for _, p := range paths { + p = filepath.Join(p, name) + + dir := filepath.Dir(p) + if Exists(dir) { + return p, nil + } + if err := os.MkdirAll(dir, os.ModeDir|0700); err == nil { + return p, nil + } + + searchedPaths = append(searchedPaths, dir) + } + + return "", fmt.Errorf("could not create any of the following paths: %s", + strings.Join(searchedPaths, ", ")) +} + +// Search searches for the file with the specified `name` in the provided +// slice of `paths`. The `name` parameter must contain the name of the file, +// but it can also contain a set of parent directories. +func Search(name string, paths []string) (string, error) { + var searchedPaths []string + for _, p := range paths { + p = filepath.Join(p, name) + if Exists(p) { + return p, nil + } + + searchedPaths = append(searchedPaths, filepath.Dir(p)) + } + + return "", fmt.Errorf("could not locate `%s` in any of the following paths: %s", + filepath.Base(name), strings.Join(searchedPaths, ", ")) +} diff --git a/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_plan9.go b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_plan9.go new file mode 100644 index 000000000..8ee4e8d2f --- /dev/null +++ b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_plan9.go @@ -0,0 +1,29 @@ +package pathutil + +import ( + "os" + "path/filepath" + "strings" +) + +// Exists returns true if the specified path exists. +func Exists(path string) bool { + _, err := os.Stat(path) + return err == nil || os.IsExist(err) +} + +// ExpandHome substitutes `~` and `$home` at the start of the specified +// `path` using the provided `home` location. +func ExpandHome(path, home string) string { + if path == "" || home == "" { + return path + } + if path[0] == '~' { + return filepath.Join(home, path[1:]) + } + if strings.HasPrefix(path, "$home") { + return filepath.Join(home, path[5:]) + } + + return path +} diff --git a/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_unix.go b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_unix.go new file mode 100644 index 000000000..a014c66ef --- /dev/null +++ b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_unix.go @@ -0,0 +1,32 @@ +//go:build aix || darwin || dragonfly || freebsd || (js && wasm) || nacl || linux || netbsd || openbsd || solaris +// +build aix darwin dragonfly freebsd js,wasm nacl linux netbsd openbsd solaris + +package pathutil + +import ( + "os" + "path/filepath" + "strings" +) + +// Exists returns true if the specified path exists. +func Exists(path string) bool { + _, err := os.Stat(path) + return err == nil || os.IsExist(err) +} + +// ExpandHome substitutes `~` and `$HOME` at the start of the specified +// `path` using the provided `home` location. +func ExpandHome(path, home string) string { + if path == "" || home == "" { + return path + } + if path[0] == '~' { + return filepath.Join(home, path[1:]) + } + if strings.HasPrefix(path, "$HOME") { + return filepath.Join(home, path[5:]) + } + + return path +} diff --git a/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_windows.go b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_windows.go new file mode 100644 index 000000000..44080e3ab --- /dev/null +++ b/vendor/github.com/adrg/xdg/internal/pathutil/pathutil_windows.go @@ -0,0 +1,64 @@ +package pathutil + +import ( + "os" + "path/filepath" + "strings" + + "golang.org/x/sys/windows" +) + +// Exists returns true if the specified path exists. +func Exists(path string) bool { + fi, err := os.Lstat(path) + if fi != nil && fi.Mode()&os.ModeSymlink != 0 { + _, err = filepath.EvalSymlinks(path) + } + + return err == nil || os.IsExist(err) +} + +// ExpandHome substitutes `%USERPROFILE%` at the start of the specified +// `path` using the provided `home` location. +func ExpandHome(path, home string) string { + if path == "" || home == "" { + return path + } + if strings.HasPrefix(path, `%USERPROFILE%`) { + return filepath.Join(home, path[13:]) + } + + return path +} + +// KnownFolder returns the location of the folder with the specified ID. +// If that fails, the folder location is determined by reading the provided +// environment variables (the first non-empty read value is returned). +// If that fails as well, the first non-empty fallback is returned. +// If all of the above fails, the function returns an empty string. +func KnownFolder(id *windows.KNOWNFOLDERID, envVars []string, fallbacks []string) string { + if id != nil { + flags := []uint32{windows.KF_FLAG_DEFAULT, windows.KF_FLAG_DEFAULT_PATH} + for _, flag := range flags { + p, _ := windows.KnownFolderPath(id, flag|windows.KF_FLAG_DONT_VERIFY) + if p != "" { + return p + } + } + } + + for _, envVar := range envVars { + p := os.Getenv(envVar) + if p != "" { + return p + } + } + + for _, fallback := range fallbacks { + if fallback != "" { + return fallback + } + } + + return "" +} |