forked from MTSR/mapserver
59 lines
972 B
Go
59 lines
972 B
Go
package luaparser
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import (
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"errors"
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"github.com/yuin/gopher-lua"
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"strconv"
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)
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func New() *LuaParser {
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p := LuaParser{
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state: lua.NewState(lua.Options{SkipOpenLibs: true}),
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}
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return &p
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}
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type LuaParser struct {
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state *lua.LState
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}
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func (this *LuaParser) ParseMap(expr string) (map[string]interface{}, error) {
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result := make(map[string]interface{})
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err := this.state.DoString(expr)
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if err != nil {
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return result, err
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}
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lv := this.state.Get(-1)
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tbl, ok := lv.(*lua.LTable)
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if !ok {
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return result, errors.New("parsing failed")
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}
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tbl.ForEach(func(k, v lua.LValue) {
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key, ok := k.(lua.LString)
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if !ok {
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return
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}
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boolValue, ok := v.(lua.LBool)
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if ok {
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result[key.String()] = boolValue == lua.LTrue
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}
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intValue, ok := v.(lua.LNumber)
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if ok {
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result[key.String()], _ = strconv.Atoi(intValue.String())
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}
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strValue, ok := v.(lua.LString)
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if ok {
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result[key.String()] = strValue.String()
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}
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})
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return result, nil
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}
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