56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
package main
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import (
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"net/url"
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"os"
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"path"
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"strings"
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)
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type ID string
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func NewID(s string) ID {
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return ID(path.Clean(s)).withClean()
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}
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func (id ID) Push(child string) ID {
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return NewID(path.Join(id.String(), child)).withClean()
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}
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func (id ID) Pop() ID {
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pid := path.Clean(NewID(path.Dir(id.String())).withClean().String())
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if strings.HasPrefix(pid, ".") {
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return ""
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}
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return NewID(pid)
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}
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func (id ID) URLSafeString() string {
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splits := strings.Split(string(id), "/")
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for i := range splits {
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splits[i] = url.PathEscape(splits[i])
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}
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return strings.Join(splits, "/")
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}
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func (id ID) String() string {
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return string(id)
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}
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func (id ID) withClean() ID {
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splits := strings.Split(id.String(), string([]rune{os.PathSeparator}))
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for i := range splits {
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splits[i] = strings.Trim(splits[i], string([]rune{os.PathSeparator}))
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splits[i] = strings.Trim(splits[i], "/")
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t, err := url.PathUnescape(splits[i])
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if err == nil {
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splits[i] = t
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}
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}
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clean := path.Join(splits...)
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if clean == "" || clean == "." {
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clean = ""
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}
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return ID(clean)
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}
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