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-rw-r--r--src/pkg/path/path.go78
1 files changed, 14 insertions, 64 deletions
diff --git a/src/pkg/path/path.go b/src/pkg/path/path.go
index 61eea8858..658eec093 100644
--- a/src/pkg/path/path.go
+++ b/src/pkg/path/path.go
@@ -7,8 +7,6 @@
package path
import (
- "io/ioutil"
- "os"
"strings"
)
@@ -107,7 +105,7 @@ func Clean(path string) string {
// If there is no separator in path, Split returns an empty dir and
// file set to path.
func Split(path string) (dir, file string) {
- i := strings.LastIndexAny(path, PathSeps)
+ i := strings.LastIndex(path, "/")
return path[:i+1], path[i+1:]
}
@@ -135,78 +133,30 @@ func Ext(path string) string {
return ""
}
-// Visitor methods are invoked for corresponding file tree entries
-// visited by Walk. The parameter path is the full path of f relative
-// to root.
-type Visitor interface {
- VisitDir(path string, f *os.FileInfo) bool
- VisitFile(path string, f *os.FileInfo)
-}
-
-func walk(path string, f *os.FileInfo, v Visitor, errors chan<- os.Error) {
- if !f.IsDirectory() {
- v.VisitFile(path, f)
- return
- }
-
- if !v.VisitDir(path, f) {
- return // skip directory entries
- }
-
- list, err := ioutil.ReadDir(path)
- if err != nil {
- if errors != nil {
- errors <- err
- }
- }
-
- for _, e := range list {
- walk(Join(path, e.Name), e, v, errors)
- }
-}
-
-// Walk walks the file tree rooted at root, calling v.VisitDir or
-// v.VisitFile for each directory or file in the tree, including root.
-// If v.VisitDir returns false, Walk skips the directory's entries;
-// otherwise it invokes itself for each directory entry in sorted order.
-// An error reading a directory does not abort the Walk.
-// If errors != nil, Walk sends each directory read error
-// to the channel. Otherwise Walk discards the error.
-func Walk(root string, v Visitor, errors chan<- os.Error) {
- f, err := os.Lstat(root)
- if err != nil {
- if errors != nil {
- errors <- err
- }
- return // can't progress
- }
- walk(root, f, v, errors)
-}
-
-// Base returns the last path element of the slash-separated name.
-// Trailing slashes are removed before extracting the last element. If the name is
-// empty, "." is returned. If it consists entirely of slashes, "/" is returned.
-func Base(name string) string {
- if name == "" {
+// Base returns the last element of path.
+// Trailing slashes are removed before extracting the last element.
+// If the path is empty, Base returns ".".
+// If the path consists entirely of slashes, Base returns "/".
+func Base(path string) string {
+ if path == "" {
return "."
}
// Strip trailing slashes.
- for len(name) > 0 && name[len(name)-1] == '/' {
- name = name[0 : len(name)-1]
+ for len(path) > 0 && path[len(path)-1] == '/' {
+ path = path[0 : len(path)-1]
}
// Find the last element
- if i := strings.LastIndex(name, "/"); i >= 0 {
- name = name[i+1:]
+ if i := strings.LastIndex(path, "/"); i >= 0 {
+ path = path[i+1:]
}
// If empty now, it had only slashes.
- if name == "" {
+ if path == "" {
return "/"
}
- return name
+ return path
}
// IsAbs returns true if the path is absolute.
func IsAbs(path string) bool {
- // TODO: Add Windows support
- return strings.HasPrefix(path, "/")
+ return len(path) > 0 && path[0] == '/'
}