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basename.go
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basename.go
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package dynaml
import (
"net/url"
"path"
)
func init() {
RegisterFunction("basename", func_basename)
RegisterFunction("dirname", func_dirname)
}
func func_basename(arguments []interface{}, binding Binding) (interface{}, EvaluationInfo, bool) {
info := DefaultInfo()
if len(arguments) != 1 {
return info.Error("function basename takes exactly one argument")
}
switch val := arguments[0].(type) {
case string:
u, err := url.Parse(val)
if err == nil {
if u.Path == "" {
return "/", info, true
}
return path.Base(u.Path), info, true
}
return path.Base(val), info, true
default:
return info.Error("string argument expected for function basename")
}
}
func func_dirname(arguments []interface{}, binding Binding) (interface{}, EvaluationInfo, bool) {
info := DefaultInfo()
if len(arguments) != 1 {
return info.Error("function dirname takes exactly one argument")
}
switch val := arguments[0].(type) {
case string:
u, err := url.Parse(val)
if err == nil {
if u.Path == "" {
return "/", info, true
}
return path.Dir(u.Path), info, true
}
return path.Dir(val), info, true
default:
return info.Error("string argument expected for function dirname")
}
}