diff --git a/server/go.mod b/server/go.mod index c4b034c..38506c8 100644 --- a/server/go.mod +++ b/server/go.mod @@ -9,5 +9,6 @@ require ( github.com/patrickmn/go-cache v2.1.0+incompatible github.com/sirupsen/logrus v1.3.0 github.com/stretchr/testify v1.2.2 + github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583 golang.org/x/image v0.0.0-20190118043309-183bebdce1b2 // indirect ) diff --git a/server/go.sum b/server/go.sum index a077206..30ac03a 100644 --- a/server/go.sum +++ b/server/go.sum @@ -1,3 +1,6 @@ +github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= +github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= +github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/disintegration/imaging v1.5.0 h1:uYqUhwNmLU4K1FN44vhqS4TZJRAA4RhBINgbQlKyGi0= @@ -21,9 +24,12 @@ github.com/sirupsen/logrus v1.3.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w= github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583 h1:SZPG5w7Qxq7bMcMVl6e3Ht2X7f+AAGQdzjkbyOnNNZ8= +github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/image v0.0.0-20190118043309-183bebdce1b2 h1:FNSSV4jv1PrPsiM2iKGpqLPPgYACqh9Muav7Pollk1k= golang.org/x/image v0.0.0-20190118043309-183bebdce1b2/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33 h1:I6FyU15t786LL7oL/hn43zqTuEGr4PN7F4XJ1p4E3Y8= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= diff --git a/server/luaparser/luaparser.go b/server/luaparser/luaparser.go new file mode 100644 index 0000000..3e19e0a --- /dev/null +++ b/server/luaparser/luaparser.go @@ -0,0 +1,58 @@ +package luaparser + +import ( + "github.com/yuin/gopher-lua" + "errors" + "strconv" +) + +func New() *LuaParser { + p := LuaParser{ + state: lua.NewState(lua.Options{SkipOpenLibs: true}), + } + + return &p +} + +type LuaParser struct { + state *lua.LState +} + +func (this *LuaParser) ParseMap(expr string) (map[string]interface{}, error) { + result := make(map[string]interface{}) + + err := this.state.DoString(expr) + if err != nil { + return result, err + } + + lv := this.state.Get(-1) + + tbl, ok := lv.(*lua.LTable) + if !ok { + return result, errors.New("parsing failed") + } + + tbl.ForEach(func(k, v lua.LValue){ + key, ok := k.(lua.LString) + + if !ok { + return + } + + boolValue, ok := v.(lua.LBool) + if ok { + result[key.String()] = boolValue == lua.LTrue + } + intValue, ok := v.(lua.LNumber) + if ok { + result[key.String()], _ = strconv.Atoi(intValue.String()) + } + strValue, ok := v.(lua.LString) + if ok { + result[key.String()] = strValue.String() + } + }) + + return result, nil +} diff --git a/server/luaparser/luaparser_test.go b/server/luaparser/luaparser_test.go new file mode 100644 index 0000000..c4248c8 --- /dev/null +++ b/server/luaparser/luaparser_test.go @@ -0,0 +1,30 @@ +package luaparser + +import ( + "testing" + "fmt" +) + +func TestParse(t *testing.T){ + p := New() + m, err := p.ParseMap(`return {a=1, b=true, c="abc"}`) + + if err != nil { + panic(err) + } + + fmt.Println(m) + + if m["a"].(int) != 1 { + t.Fatal("parsing error") + } + + if !m["b"].(bool) { + t.Fatal("parsing error") + } + + if m["c"].(string) != "abc" { + t.Fatal("parsing error") + } + +}