go-common/app/tool/gengo/namer/order.go
2019-04-22 18:49:16 +08:00

54 lines
1.2 KiB
Go

package namer
import (
"sort"
"go-common/app/tool/gengo/types"
)
// Orderer produces an ordering of types given a Namer.
type Orderer struct {
Namer
}
// OrderUniverse assigns a name to every type in the Universe, including Types,
// Functions and Variables, and returns a list sorted by those names.
func (o *Orderer) OrderUniverse(u types.Universe) []*types.Type {
list := tList{
namer: o.Namer,
}
for _, p := range u {
for _, t := range p.Types {
list.types = append(list.types, t)
}
for _, f := range p.Functions {
list.types = append(list.types, f)
}
for _, v := range p.Variables {
list.types = append(list.types, v)
}
}
sort.Sort(list)
return list.types
}
// OrderTypes assigns a name to every type, and returns a list sorted by those
// names.
func (o *Orderer) OrderTypes(typeList []*types.Type) []*types.Type {
list := tList{
namer: o.Namer,
types: typeList,
}
sort.Sort(list)
return list.types
}
type tList struct {
namer Namer
types []*types.Type
}
func (t tList) Len() int { return len(t.types) }
func (t tList) Less(i, j int) bool { return t.namer.Name(t.types[i]) < t.namer.Name(t.types[j]) }
func (t tList) Swap(i, j int) { t.types[i], t.types[j] = t.types[j], t.types[i] }