mirror of https://github.com/tidwall/tile38.git
97 lines
1.7 KiB
Go
97 lines
1.7 KiB
Go
package lua
|
|
|
|
import (
|
|
"sort"
|
|
)
|
|
|
|
func OpenTable(L *LState) int {
|
|
tabmod := L.RegisterModule(TabLibName, tableFuncs)
|
|
L.Push(tabmod)
|
|
return 1
|
|
}
|
|
|
|
var tableFuncs = map[string]LGFunction{
|
|
"getn": tableGetN,
|
|
"concat": tableConcat,
|
|
"insert": tableInsert,
|
|
"maxn": tableMaxN,
|
|
"remove": tableRemove,
|
|
"sort": tableSort,
|
|
}
|
|
|
|
func tableSort(L *LState) int {
|
|
tbl := L.CheckTable(1)
|
|
sorter := lValueArraySorter{L, nil, tbl.array}
|
|
if L.GetTop() != 1 {
|
|
sorter.Fn = L.CheckFunction(2)
|
|
}
|
|
sort.Sort(sorter)
|
|
return 0
|
|
}
|
|
|
|
func tableGetN(L *LState) int {
|
|
L.Push(LNumber(L.CheckTable(1).Len()))
|
|
return 1
|
|
}
|
|
|
|
func tableMaxN(L *LState) int {
|
|
L.Push(LNumber(L.CheckTable(1).MaxN()))
|
|
return 1
|
|
}
|
|
|
|
func tableRemove(L *LState) int {
|
|
tbl := L.CheckTable(1)
|
|
if L.GetTop() == 1 {
|
|
L.Push(tbl.Remove(-1))
|
|
} else {
|
|
L.Push(tbl.Remove(L.CheckInt(2)))
|
|
}
|
|
return 1
|
|
}
|
|
|
|
func tableConcat(L *LState) int {
|
|
tbl := L.CheckTable(1)
|
|
sep := LString(L.OptString(2, ""))
|
|
i := L.OptInt(3, 1)
|
|
j := L.OptInt(4, tbl.Len())
|
|
if L.GetTop() == 3 {
|
|
if i > tbl.Len() || i < 1 {
|
|
L.Push(LString(""))
|
|
return 1
|
|
}
|
|
}
|
|
i = intMax(intMin(i, tbl.Len()), 1)
|
|
j = intMin(intMin(j, tbl.Len()), tbl.Len())
|
|
if i > j {
|
|
L.Push(LString(""))
|
|
return 1
|
|
}
|
|
//TODO should flushing?
|
|
retbottom := L.GetTop()
|
|
for ; i <= j; i++ {
|
|
L.Push(tbl.RawGetInt(i))
|
|
if i != j {
|
|
L.Push(sep)
|
|
}
|
|
}
|
|
L.Push(stringConcat(L, L.GetTop()-retbottom, L.reg.Top()-1))
|
|
return 1
|
|
}
|
|
|
|
func tableInsert(L *LState) int {
|
|
tbl := L.CheckTable(1)
|
|
nargs := L.GetTop()
|
|
if nargs == 1 {
|
|
L.RaiseError("wrong number of arguments")
|
|
}
|
|
|
|
if L.GetTop() == 2 {
|
|
tbl.Append(L.Get(2))
|
|
return 0
|
|
}
|
|
tbl.Insert(int(L.CheckInt(2)), L.CheckAny(3))
|
|
return 0
|
|
}
|
|
|
|
//
|