func NewOttoGrouper() *OttoGrouper {
return &OttoGrouper{
OutputChannel: make(DocumentChannel),
Otto: otto.New(),
groupValues: make(map[string]ExpressionStatsMap),
groupDocs: make(map[string]Document)}
}
func main() {
flag.Parse()
var script []byte
var err error
filename := flag.Arg(0)
if filename == "" || filename == "-" {
script, err = ioutil.ReadAll(os.Stdin)
if err != nil {
fmt.Printf("Can't read stdin: %v\n", err)
os.Exit(64)
}
} else {
script, err = ioutil.ReadFile(filename)
if err != nil {
fmt.Printf("Can't open file \"%v\": %v\n", filename, err)
os.Exit(64)
}
}
if !*underscoreFlag {
underscore.Disable()
}
Otto := otto.New()
_, err = Otto.Run(string(script))
if err != nil {
fmt.Println(err)
os.Exit(64)
}
}
func initJs(t *testing.T) *otto.Otto {
var otto = otto.New()
soyutilsFile, err := os.Open("lib/soyutils.js")
if err != nil {
panic(err)
}
// remove any non-otto compatible regular expressions
var soyutilsBuf bytes.Buffer
var scanner = bufio.NewScanner(soyutilsFile)
var i = 1
for scanner.Scan() {
switch i {
case 2565, 2579, 2586:
// skip these regexes
// soy.esc.$$FILTER_FOR_FILTER_CSS_VALUE_
// soy.esc.$$FILTER_FOR_FILTER_HTML_ATTRIBUTES_
// soy.esc.$$FILTER_FOR_FILTER_HTML_ELEMENT_NAME_
default:
soyutilsBuf.Write(scanner.Bytes())
soyutilsBuf.Write([]byte("\n"))
}
i++
}
// load the soyutils library
_, err = otto.Run(soyutilsBuf.String())
if err != nil {
t.Errorf("soyutils error: %v", err)
panic(err)
}
return otto
}
func Calculate(response http.ResponseWriter, request *http.Request, params martini.Params) {
bodyBytes, err := ioutil.ReadAll(request.Body)
if err != nil {
return
}
var toCalc Calculation
err = json.Unmarshal(bodyBytes, &toCalc)
if err != nil {
http.Error(response, "Failed to Parse JSON", http.StatusInternalServerError)
return
}
if toCalc.Calculation == "" {
return
}
runner := otto.New()
result, err := runner.Run(toCalc.Calculation)
if err != nil {
http.Error(response, err.Error(), http.StatusInternalServerError)
return
}
toCalc.Result, _ = result.ToFloat()
responseBytes, err := json.Marshal(toCalc)
if err != nil {
http.Error(response, "Failed to Encode JSON", http.StatusInternalServerError)
return
}
fmt.Fprint(response, string(responseBytes))
return
}
func NewScripting() (s *Scripting, err error) {
s = &Scripting{
vm: otto.New(),
listeners: map[string][]otto.Value{},
}
return
}
// NewJavascriptBuilder compiles the supplied javascript and creates a Javascriptbulder
func NewJavascriptBuilder(config Config, file, src string) (*JavascriptBuilder, error) {
js := &JavascriptBuilder{
file: file,
vm: otto.New(),
path: filepath.Dir(file),
config: config,
nodes: make(map[string]Node),
pipelines: make([]*transporter.Pipeline, 0),
}
var (
script *otto.Script
err error
)
if src != "" {
script, err = js.vm.Compile("", src)
} else {
script, err = js.vm.Compile(file, nil)
}
if err != nil {
return js, err
}
js.script = script
js.vm.Set("Source", js.source)
return js, nil
}
func NewChannelMapper(funcSource string) (*ChannelMapper, error) {
mapper := &ChannelMapper{}
mapper.js = otto.New()
// Implementation of the 'sync()' callback:
mapper.js.Set("sync", func(call otto.FunctionCall) otto.Value {
for _, arg := range call.ArgumentList {
if arg.IsString() {
mapper.channels = append(mapper.channels, arg.String())
} else if arg.Class() == "Array" {
array := ottoArrayToStrings(arg.Object())
if array != nil {
mapper.channels = append(mapper.channels, array...)
}
}
}
return otto.UndefinedValue()
})
if _, err := mapper.setFunction(funcSource); err != nil {
return nil, err
}
mapper.requests = make(chan channelMapperRequest)
go mapper.serve()
return mapper, nil
}
func TestFetchWithHandlerParallel(t *testing.T) {
m := http.NewServeMux()
m.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("hello"))
})
vm := otto.New()
l := loop.New(vm)
if err := DefineWithHandler(vm, l, m); err != nil {
panic(err)
}
ch := make(chan bool, 1)
if err := vm.Set("__capture", func(c otto.FunctionCall) otto.Value {
defer func() { ch <- true }()
return otto.UndefinedValue()
}); err != nil {
panic(err)
}
must(l.EvalAndRun(`Promise.all([1,2,3,4,5].map(function(i) { return fetch('/' + i); })).then(__capture)`))
<-ch
}
func TestOttoFromGoArray(t *testing.T) {
o := otto.New()
_, err := OttoFromGoArray(o, nil)
if err == nil {
t.Errorf("expected err for nil array to OttoFromGoArray")
}
}
// NewAnnotator returns an Annotator with the sources, seeded with some javascript.
// If ends is true, it will annotate the 1 base ends of the interval as well as the
// interval itself. If strict is true, when overlapping variants, they must share
// the ref allele and at least 1 alt allele.
func NewAnnotator(sources []*Source, js string, ends bool, strict bool) *Annotator {
for _, s := range sources {
if e := checkSource(s); e != nil {
log.Fatal(e)
}
}
a := Annotator{
Sources: sources,
Strict: strict,
Ends: ends,
}
for _, src := range a.Sources {
src.Vm = otto.New() // create a new vm for each source and lock in the source
if strings.HasPrefix(src.Op, "js:") {
var err error
src.Js, err = src.Vm.Compile(src.Op, src.Op[3:])
if err != nil {
log.Fatalf("error parsing op: %s for file %s", src.Op, src.File)
}
}
if js != "" {
_, err := src.Vm.Run(js)
if err != nil {
log.Fatalf("error parsing customjs:%s", err)
}
}
}
return &a
}
func main() {
flag.Parse()
if !*flag_underscore {
underscore.Disable()
}
err := func() error {
src, err := readSource(flag.Arg(0))
if err != nil {
return err
}
vm := otto.New()
g_vm = vm
vm.Set("setRoute", setRoute)
vm.Set("startServer", startServer)
vm.Set("writeMessage", writeMessage)
_, err = vm.Run(src)
return err
}()
if err != nil {
switch err := err.(type) {
case *otto.Error:
fmt.Print(err.String())
default:
fmt.Println(err)
}
os.Exit(64)
}
}
func createVM() *otto.Otto {
vm := otto.New()
logObj, _ := vm.Object(`$log = {}`)
logObj.Set("info", _log_info)
fileObj, _ := vm.Object(`$file = {}`)
fileObj.Set("exists", _file_exists)
fileObj.Set("write", _file_write)
fileObj.Set("copy", _file_copy)
fileObj.Set("size", _file_size)
fileObj.Set("move", _file_move)
fileObj.Set("mkdir", _file_mkdir)
fileObj.Set("delete", _file_delete)
fileObj.Set("readString", _file_readString)
requestObj, _ := vm.Object(`$request = {}`)
requestObj.Set("download", _request_download)
requestObj.Set("get", _request_get)
systemObj, _ := vm.Object(`$system = {}`)
systemObj.Set("executeAndRead", _system_executeAndRead)
systemObj.Set("execute", _system_execute)
systemObj.Set("detach", _system_detach)
systemObj.Set("currentUser", _system_currentUser)
systemObj.Set("kill", _system_kill)
return vm
}
func main() {
vm := otto.New()
s, _ := simplejson.NewJson([]byte(`
{"name":"[{\"name\":\"全部\",\"value\":\"all\"},{\"value\":372,\"name\":\"家居个护\"},{\"value\":437,\"name\":\"美容彩妆\"},{\"value\":438,\"name\":\"母婴\"},{\"value\":440,\"name\":\"数码家电\"},{\"value\":636,\"name\":\"【多余类目\"},{\"value\":836,\"name\":\"环球美食\"},{\"value\":837,\"name\":\"营养保健\"},{\"value\":1025,\"name\":\"箱包配饰\"},{\"value\":7578,\"name\":\"运动户外\"},{\"value\":8115,\"name\":\"生鲜\"},{\"value\":9691,\"name\":\"服装鞋靴\"}]"}
`))
//fmt.Println(s.Get("name").MustMap())
vm.Set("def", s.Get("name").MustString())
vm.Set("getArray", func(call otto.FunctionCall) otto.Value {
result, _ := vm.ToValue(getArray(call.Argument(0).String(), call.Argument(1).String()))
return result
})
vm.Set("getMap", func(call otto.FunctionCall) otto.Value {
result, _ := vm.ToValue(getMap(call.Argument(0).String(), call.Argument(1).String()))
return result
})
_, e := vm.Run(`
//var x = [];
//x=x.concat(eval(def))
// console.log(x[0].name)
//console.log(x.push(1))
//var x = {category_level:1};
//var x = JSON.parse(getData('http://localhost:8080/ds/50',JSON.stringify({name:1,age:19})));
//console.log(x.data)
//console.log(x.code)
console.log(getArray('http://www.jeasyui.com/demo/main/treegrid_data1.json')[0].id)
`)
if e != nil {
fmt.Println(e)
}
}
func TestNewReader_ReadAll(t *testing.T) {
runtime := otto.New()
reader := strings.NewReader("Hello ottox!")
assert.NoError(t, NewReader(runtime, "read", reader))
// make sure ottox.read method was added
assert.True(t, Exist(runtime, "read"))
// read some bytes
if r, err := runtime.Call(`read`, nil, -1); assert.NoError(t, err) {
if res, err := r.Object().Get("data"); assert.NoError(t, err) {
if bytes, err := res.ToString(); assert.NoError(t, err) {
assert.Equal(t, bytes, "Hello ottox!", "data")
}
}
if res, err := r.Object().Get("eof"); assert.NoError(t, err) {
if eofBool, err := res.ToBoolean(); assert.NoError(t, err) {
assert.True(t, eofBool, "eof")
}
}
}
}
func HTTPMiddlewarePreRequest(endpoint *kasi_conf.EndpointSetting, r *http.Request) *MiddlewareResponse {
for i := 0; i < len(endpoint.Middleware); i++ {
jsFile, err := ioutil.ReadFile(endpoint.Middleware[i])
if err != nil {
log.Error("javascript file, `%v`, not found", i)
continue
}
vm := otto.New()
vm.Run(jsFile)
request := *r
requestJS, _ := vm.ToValue(&request)
response := MiddlewareResponse{StatusCode: 0, Header: map[string]string{}, Body: ""}
responseJS, _ := vm.ToValue(&response)
returnedResponse, err := vm.Call("process_request", nil, requestJS, responseJS)
if err != nil {
log.Error("failed to call, %v", err)
continue
}
if !returnedResponse.IsDefined() {
continue
}
exportedResponseReady, err := returnedResponse.Export()
if err == nil {
return exportedResponseReady.(*MiddlewareResponse)
}
break
}
return nil
}
func main() {
flag.Parse()
if !*flag_underscore {
underscore.Disable()
}
err := func() error {
src, err := readSource(flag.Arg(0))
if err != nil {
return err
}
vm := otto.New()
_, err = vm.Run(src)
return err
}()
if err != nil {
switch err := err.(type) {
case *otto.Error:
fmt.Print(err.String())
default:
fmt.Println(err)
}
os.Exit(64)
}
}
func TestNewWriter(t *testing.T) {
runtime := otto.New()
var buf bytes.Buffer
assert.NoError(t, NewWriter(runtime, "write", &buf))
// make sure ottox.read method was added
assert.True(t, Exist(runtime, "write"))
if r, err := runtime.Call(`write`, nil, "abcde"); assert.NoError(t, err) {
if res, err := r.Object().Get("len"); assert.NoError(t, err) {
if lenInt, err := res.ToInteger(); assert.NoError(t, err) {
assert.Equal(t, 5, lenInt, "len")
assert.Equal(t, "abcde", buf.String())
}
}
}
if r, err := runtime.Call(`write`, nil, "fghij"); assert.NoError(t, err) {
if res, err := r.Object().Get("len"); assert.NoError(t, err) {
if lenInt, err := res.ToInteger(); assert.NoError(t, err) {
assert.Equal(t, 5, lenInt, "len")
assert.Equal(t, "abcdefghij", buf.String())
}
}
}
}
func initJavascript() {
js = otto.New()
f := facts.FindFacts()
// TODO: log error
factsAsJson, err := f.ToJson()
if err == nil {
js.Object(`facts = ` + string(factsAsJson))
}
// Create javascript functions
js.Set("directory", directory)
js.Set("symlink", symlink)
js.Set("template", template)
js.Set("apt", apt)
js.Set("yum", yum)
js.Set("command", command)
js.Set("user", user)
js.Set("pg_user", pgUser)
js.Set("pg_database", pgDatabase)
js.Set("mysql_user", mysqlUser)
js.Set("mysql_database", mysqlDatabase)
js.Set("sleep", sleep)
js.Set("upstart", upstart)
js.Set("file", file)
js.Set("include", include)
}
func Worker(lines, out chan *string, script, preload string, wg *sync.WaitGroup) {
defer wg.Done()
vm := otto.New()
if preload != "" {
_, err := vm.Run(preload)
if err != nil {
log.Fatal(err)
}
}
compiled, err := vm.Compile("", script)
if err != nil {
log.Fatal(err)
}
for line := range lines {
vm.Set("input", *line)
_, err := vm.Run(compiled)
if err != nil {
log.Fatal(err)
}
result, err := vm.Get("output")
if result == otto.NullValue() {
continue
}
if err != nil {
log.Fatal(err)
}
r := result.String()
out <- &r
}
}
func TestFetchWithHandler(t *testing.T) {
m := http.NewServeMux()
m.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
// these spaces are here so we can disambiguate between this and the
// re-encoded data the javascript below spits out
w.Write([]byte("[ 1 , 2 , 3 ]"))
})
vm := otto.New()
l := loop.New(vm)
if err := DefineWithHandler(vm, l, m); err != nil {
panic(err)
}
ch := make(chan bool, 1)
if err := vm.Set("__capture", func(s string) {
defer func() { ch <- true }()
if s != `[1,2,3]` {
panic(fmt.Errorf("expected data to be json, and for that json to be parsed"))
}
}); err != nil {
panic(err)
}
must(l.EvalAndRun(`fetch('/').then(function(r) { return r.json(); }).then(function(d) {
return setTimeout(__capture, 4, JSON.stringify(d));
})`))
<-ch
}
// Start running the JavaScript engine.
func (w *JavaScript) Run() {
if cmd, ok := <-w.Cmd; ok {
// initial setup
engine := otto.New()
// define a callback for sending messages to Out
engine.Set("emitOut", func(call otto.FunctionCall) otto.Value {
out, err := call.Argument(0).Export()
flow.Check(err)
w.Out.Send(out)
return otto.UndefinedValue()
})
// process the command input
if _, err := engine.Run(cmd.(string)); err != nil {
glog.Fatal(err)
}
// only start the processing loop if the "onIn" handler exists
value, err := engine.Get("onIn")
if err == nil && value.IsFunction() {
for in := range w.In {
engine.Call("onIn", nil, in)
}
}
}
}
func TestFetchCallback(t *testing.T) {
m := http.NewServeMux()
m.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("hello"))
})
s := httptest.NewServer(m)
defer s.Close()
vm := otto.New()
l := loop.New(vm)
if err := Define(vm, l); err != nil {
panic(err)
}
ch := make(chan bool, 1)
if err := vm.Set("__capture", func(s string) {
defer func() { ch <- true }()
if !strings.Contains(s, "hello") {
panic(fmt.Errorf("expected to find `hello' in response"))
}
}); err != nil {
panic(err)
}
must(l.EvalAndRun(`fetch('` + s.URL + `').then(function(r) {
return r.text();
}).then(__capture)`))
<-ch
}
func newReducer() *otto.Otto {
o := otto.New()
must(o.Set("_sum", javascriptReduceSum))
must(o.Set("_count", javascriptReduceCount))
must(o.Set("_stats", javascriptReduceStats))
return o
}
func newRenderer(files []string) *renderer {
r := &renderer{otto.New()}
r.runFile("assets/global.js")
r.runFile("assets/react.js")
r.runFiles(files)
return r
}
func RunScript(file string) (conquest *Conquest, err error) {
defer func() {
if r := recover(); r != nil {
switch r.(type) {
case error:
err = r.(error)
case string:
err = errors.New(r.(string))
}
}
}()
vm := otto.New()
conjs := JSConquest{
vm: vm,
conquest: NewConquest(),
}
if err = vm.Set("conquest", conjs); err != nil {
return
}
script, err := vm.Compile(file, nil)
if err != nil {
return
}
_, err = vm.Run(script)
if err != nil {
return
}
conquest = conjs.conquest
return
}
// New is the constructor for a new engine.
func New(root, conditions string) (*Engine, error) {
hostname, err := os.Hostname()
if err != nil {
return nil, err
}
engine := &Engine{Root: root, Hostname: hostname}
if _, err := os.Stat(path.Join(engine.Root, "logic")); err == nil {
logic, err := ioutil.ReadDir(path.Join(engine.Root, "logic"))
if err != nil {
return nil, err
}
engine.Logic = logic
}
if _, err := os.Stat(path.Join(engine.Root, "stacks")); err == nil {
stacks, err := ioutil.ReadDir(path.Join(engine.Root, "stacks"))
if err != nil {
return nil, err
}
engine.Stacks = stacks
}
engine.DryRun = true
engine.PythonPath = "python"
engine.PipPath = "pip"
engine.jsVM = otto.New()
engine.SetConditions(conditions)
return engine, nil
}
func (*JSUtil) RunJS(e *irc.Event) {
var halt = errors.New("Stahp")
defer func() {
if caught := recover(); caught != nil {
if caught == halt {
e.Connection.Privmsgf(e.Arguments[0], "!! WTF STAHP %s !!", e.Nick)
return
}
}
}()
q := strings.TrimSpace(strings.Replace(e.Arguments[1], "!js ", "", -1))
vm := otto.New()
vm.Interrupt = make(chan func(), 1) // The buffer prevents blocking
go func() {
time.Sleep(10 * time.Second) // Stop after two seconds
vm.Interrupt <- func() {
panic(halt)
}
}()
script, ser := vm.Compile("", q)
if ser == nil {
outjs, er := vm.Run(script)
if er == nil {
e.Connection.Privmsgf(e.Arguments[0], "[%s]: %s", e.Nick, outjs)
} else {
e.Connection.Privmsgf(e.Arguments[0], "Error in JS %s: %s", e.Nick, er)
}
} else {
e.Connection.Privmsgf(e.Arguments[0], "Compile error %s: %s", e.Nick, ser)
}
}
func newVM() *otto.Otto {
vm := otto.New()
// os object
os, _ := vm.Object(`os = {}`)
os.Set("getwd", os_getwd)
os.Set("mkdir", os_mkdir)
os.Set("remove", os_remove)
os.Set("rename", os_rename)
os.Set("stat", os_stat)
os.Set("system", os_system)
os.Set("whence", os_whence)
vm.Run(fmt.Sprintf(`os.FileInfo = function(name, size, mode, mtime) {
this.name = name;
this.size = size;
this.mode = mode;
this.mtime = mtime;
};
os.FileInfo.prototype.isDir = function() {
return (this.mode & %v) !== 0;
};
os.FileInfo.prototype.isRegular = function() {
return (this.mode & %v) === 0;
};
os.FileInfo.prototype.perm = function() {
return this.mode & %v;
};
`, int64(1<<31), int64(0xff<<24), 0777))
return vm
}
func NewJSRuntime() (*JsVm, error) {
vm := otto.New()
jsvm := NewJsVm(vm)
RegisterModules(jsvm)
path := defaultPath
fileC, err := ioutil.ReadFile(path)
if err != nil {
return nil, err
}
/*
fileHash := md5.Sum(fileC)
if len(lastMd5) == 0 || lastMd5 != fileHash {
lastMd5 = fileHash
fmt.Println("compiling")
compiled, err = vm.Compile(path, nil)
if err != nil {
return nil, err
}
}
_, err = vm.Run(compiled)
*/
_, err = jsvm.Run(string(fileC))
if err == nil {
UsedRuntimes += 1
fmt.Println("used runtimes " + strconv.Itoa(UsedRuntimes))
runtime.SetFinalizer(vm, finalizer)
}
return jsvm, err
}
func NewOttoCartesianProductJoiner() *OttoCartesianProductJoiner {
return &OttoCartesianProductJoiner{
OutputChannel: make(DocumentChannel),
leftDocs: make([]Document, 0),
rightDocs: make([]Document, 0),
Otto: otto.New()}
}
