Golang template.New函数代码示例

func init() {
	var err error
	fm := template.FuncMap{
		"tabs":                Tabs,
		"goify":               Goify,
		"gotyperef":           GoTypeRef,
		"gotypedef":           GoTypeDef,
		"add":                 Add,
		"publicizer":          Publicizer,
		"recursivePublicizer": RecursivePublicizer,
	}
	if simplePublicizeT, err = template.New("simplePublicize").Funcs(fm).Parse(simplePublicizeTmpl); err != nil {
		panic(err)
	}
	if recursivePublicizeT, err = template.New("recursivePublicize").Funcs(fm).Parse(recursivePublicizeTmpl); err != nil {
		panic(err)
	}
	if objectPublicizeT, err = template.New("objectPublicize").Funcs(fm).Parse(objectPublicizeTmpl); err != nil {
		panic(err)
	}
	if arrayPublicizeT, err = template.New("arrPublicize").Funcs(fm).Parse(arrayPublicizeTmpl); err != nil {
		panic(err)
	}
	if hashPublicizeT, err = template.New("hashPublicize").Funcs(fm).Parse(hashPublicizeTmpl); err != nil {
		panic(err)
	}
}

// Runs a test case and logs the results.
func runTest(t *testing.T, tt *deisTest, cfg *deisTestConfig) {
	// Fill in the command string template from our test configuration.
	var cmdBuf bytes.Buffer
	tmpl := template.Must(template.New("cmd").Parse(tt.cmd))
	if err := tmpl.Execute(&cmdBuf, cfg); err != nil {
		t.Fatal(err)
	}
	cmdString := cmdBuf.String()
	// Change to the target directory if needed.
	if tt.dir != "" {
		// Fill in the directory template from our test configuration.
		var dirBuf bytes.Buffer
		tmpl := template.Must(template.New("dir").Parse(tt.dir))
		if err := tmpl.Execute(&dirBuf, cfg); err != nil {
			t.Fatal(err)
		}
		dir, _ := filepath.Abs(filepath.Join(wd, dirBuf.String()))
		if err := os.Chdir(dir); err != nil {
			t.Fatal(err)
		}
	}
	// TODO: Go's testing package doesn't seem to allow for reporting interim
	// progress--we have to wait until everything completes (or fails) to see
	// anything that was written with t.Log or t.Fatal. Interim output would
	// be extremely helpful here, as this takes a while.
	// Execute the command and log the input and output on error.
	fmt.Printf("%v ... ", strings.TrimSpace(cmdString))
	cmd := exec.Command("sh", "-c", cmdString)
	if out, err := cmd.Output(); err != nil {
		t.Fatalf("%v\nOutput:\n%v", err, string(out))
	} else {
		fmt.Println("ok")
	}
}

func render(templName string, templ1Data interface{}, pipelineName string) (io.Reader, error) {
	templateSrc, err := Asset(templName)
	if err != nil {
		return nil, err
	}

	// 1st pass
	templ, err := template.New(templName + "/1").Parse(string(templateSrc))
	if err != nil {
		return nil, err
	}

	var firstRender bytes.Buffer
	err = templ.Execute(&firstRender, templ1Data)
	if err != nil {
		return nil, err
	}

	// 2nd pass: some properties contain {{ .PipelineName }}
	templ, err = template.New(templName + "/2").Parse(firstRender.String())
	if err != nil {
		return nil, fmt.Errorf("error rendering template: %s\n\ntemplate content: %s", err, firstRender.String())
	}

	var secondRender bytes.Buffer
	err = templ.Execute(&secondRender, struct{ PipelineName string }{pipelineName})

	return &secondRender, err

}

// NewControllersWriter returns a handlers code writer.
// Handlers provide the glue between the underlying request data and the user controller.
func NewControllersWriter(filename string) (*ControllersWriter, error) {
	cw := codegen.NewGoGenerator(filename)
	funcMap := cw.FuncMap
	funcMap["add"] = func(a, b int) int { return a + b }
	funcMap["gotypename"] = codegen.GoTypeName
	ctrlTmpl, err := template.New("controller").Funcs(funcMap).Parse(ctrlT)
	if err != nil {
		return nil, err
	}
	mountTmpl, err := template.New("mount").Funcs(funcMap).Parse(mountT)
	if err != nil {
		return nil, err
	}
	unmarshalTmpl, err := template.New("unmarshal").Funcs(funcMap).Parse(unmarshalT)
	if err != nil {
		return nil, err
	}
	w := ControllersWriter{
		GoGenerator:   cw,
		CtrlTmpl:      ctrlTmpl,
		MountTmpl:     mountTmpl,
		UnmarshalTmpl: unmarshalTmpl,
	}
	return &w, nil
}

func init() {
	// we see it so it doesn't use a prefix or include a time stamp.
	stdout = log.New(os.Stdout, "", 0)
	defaultLog = template.Must(template.New("defaultLog").Parse(defaultLogTmpl))
	defaultWord = template.Must(template.New("defaultWord").Parse(defaultWordTmpl))
	defaultLine = template.Must(template.New("defaultLine").Parse(defaultLineTmpl))
}

func RunTemplate(reportFilename, templateFile, templateText string, out *os.File, data interface{}, format string) (err error) {
	var tmpl *template.Template
	var htmpl *htemplate.Template
	if templateFile != "" {
		if format == "html" {
			htmpl, err = htemplate.New(templateFile).ParseGlob(templateFile)
		} else {
			tmpl, err = template.New(templateFile).ParseGlob(templateFile)
		}
	} else {
		if format == "html" {
			htmpl, err = htemplate.New(reportFilename).Parse(templateText)
		} else {
			tmpl, err = template.New(reportFilename).Parse(templateText)
		}
	}
	if err != nil {
		return err
	}
	if format == "html" {
		err = htmpl.Execute(out, data)
	} else {
		err = tmpl.Execute(out, data)
	}
	if err != nil {
		return err
	}

	return err
}

func init() {
	globalUsageTemplate = template.Must(template.New("global_usage").Funcs(templFuncs).Parse(`
NAME:
{{printf "\t%s - %s" .Executable .Description}}

USAGE:
{{printf "\t%s" .Executable}} [global options] <command> [command options] [arguments...]

VERSION:
{{printf "\t%s" .Version}}

COMMANDS:{{range .Commands}}
{{printf "\t%s\t%s" .Name .Summary}}{{end}}

GLOBAL OPTIONS:{{range .Flags}}
{{printOption .Name .DefValue .Usage}}{{end}}

Run "{{.Executable}} help <command>" for more details on a specific command.
`[1:]))
	commandUsageTemplate = template.Must(template.New("command_usage").Funcs(templFuncs).Parse(`
NAME:
{{printf "\t%s - %s" .Cmd.Name .Cmd.Summary}}

USAGE:
{{printf "\t%s %s %s" .Executable .Cmd.Name .Cmd.Usage}}

DESCRIPTION:
{{range $line := descToLines .Cmd.Description}}{{printf "\t%s" $line}}
{{end}}
{{if .CmdFlags}}OPTIONS:{{range .CmdFlags}}
{{printOption .Name .DefValue .Usage}}{{end}}

{{end}}For help on global options run "{{.Executable}} help"
`[1:]))
}

func admin(w http.ResponseWriter, r *http.Request) {
	/* import template
	t, _ := template.ParseFiles("../template/shotchart.html")
	t.Execute(wr io.Writer, p)
	*/

	temp := new(Page)

	values := readDB()
	buf := new(bytes.Buffer)
	for _, value := range values {
		if value.Content == "" {
			continue
		}
		fmt.Println("this is reading from the database the different lines", value)
		t := template.Must(template.New("form").Parse(form))
		t.Execute(buf, value)
	}
	fmt.Println("this is the string of template", buf.String())
	temp.Form = buf.String()
	t := template.Must(template.New("page").Parse(adminPage))
	t.Execute(w, temp)

	//t := template.Must(template.New("form").Parse(form))
	//t.Execute(w, Tom)
	//fmt.Println("this is admin page")
}

func init() {
	tmHeader = template.Must(template.New("header").Parse(header))
	tmStruct = template.Must(template.New("modelStruct").Parse(modelStruct))
	tmObjApi = template.Must(template.New("objApi").Parse(objApi))
	tmQueryApi = template.Must(template.New("queryApi").Parse(queryApi))
	tmManagedObjApi = template.Must(template.New("managedApi").Parse(managedApi))
}

//-----------------------------------------------------------------------------
// Check
//-----------------------------------------------------------------------------
func TestTextTemplate(t *testing.T) {
	//t.Skip("skipping TestTextTemplate")

	teachers := getTeathers()

	//normal
	for i, td := range tmpleTests {
		fmt.Printf("[%d] name:%s\n", i+1, td.tmplName)

		tmpl, err := tt.New(td.tmplName).Parse(td.tmplString)
		if err != nil {
			t.Fatalf("[%d] template.New(%s) error: %s", i+1, td.tmplName, err)
		}
		err = tmpl.Execute(os.Stdout, teachers)
		if err != nil {
			t.Fatalf("[%d] template.Execute(%s) error: %s", i+1, td.tmplName, err)
		}
	}

	//with func
	for i, td := range tmpleTests2 {
		tmpl, err := tt.New("td.tmplName").Funcs(tt.FuncMap{"plus10": plus10}).Parse(td.tmplString)
		if err != nil {
			t.Fatalf("[%d] template.New(%s) error: %s", i+1, td.tmplName, err)
		}
		err = tmpl.Execute(os.Stdout, teachers)
		if err != nil {
			t.Fatalf("[%d] template.Execute(%s) error: %s", i+1, td.tmplName, err)
		}
	}
}

func (n *NatsClient) PrepareJob(jobName string) {
	templateID, sha1, err := n.uploadJob(jobName)
	Expect(err).NotTo(HaveOccurred())

	prepareTemplateConfig := PrepareTemplateConfig{
		JobName:                             jobName,
		TemplateBlobstoreID:                 templateID,
		RenderedTemplatesArchiveBlobstoreID: templateID,
		RenderedTemplatesArchiveSHA1:        sha1,
		ReplyTo: senderID,
	}

	buffer := bytes.NewBuffer([]byte{})
	t := template.Must(template.New("prepare").Parse(prepareTemplate))
	err = t.Execute(buffer, prepareTemplateConfig)
	Expect(err).NotTo(HaveOccurred())
	prepareResponse, err := n.SendMessage(buffer.String())
	Expect(err).NotTo(HaveOccurred())

	_, err = n.WaitForTask(prepareResponse["value"]["agent_task_id"], -1)
	Expect(err).ToNot(HaveOccurred())

	buffer.Reset()
	t = template.Must(template.New("apply").Parse(applyTemplate))
	err = t.Execute(buffer, prepareTemplateConfig)
	Expect(err).NotTo(HaveOccurred())
	applyResponse, err := n.SendMessage(buffer.String())
	Expect(err).NotTo(HaveOccurred())

	_, err = n.WaitForTask(applyResponse["value"]["agent_task_id"], -1)
	Expect(err).ToNot(HaveOccurred())
}

// NewHipchatHandler creates a new by reading the environment
func NewHipchatHandler() *HipchatHandler {
	alertTemplate := os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_ALERT_TEMPLATE")
	if alertTemplate == "" {
		alertTemplate = `Severity {{.Severity}} alert triggered by {{.CheckName}} ({{.MetricName}}: {{.Value}}). {{.URL}}`
	}

	recoveryTemplate := os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_RECOVERY_TEMPLATE")
	if recoveryTemplate == "" {
		recoveryTemplate = `Recovery of {{.CheckName}} ({{.MetricName}}: {{.Value}}). {{.URL}}`
	}

	hh := &HipchatHandler{
		HipchatClient:    &hipchat.Client{AuthToken: os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_API_TOKEN")},
		AlertTemplate:    template.Must(template.New("alert").Parse(alertTemplate)),
		RecoveryTemplate: template.Must(template.New("recovery").Parse(recoveryTemplate)),
		AlertColor:       os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_ALERT_COLOR"),
		RecoveryColor:    os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_RECOVERY_COLOR"),
		From:             os.Getenv("CIRCONUS_WEBHOOK_PROXY_HIPCHAT_FROM"),
	}

	if hh.AlertColor == "" {
		hh.AlertColor = hipchat.ColorRed
	}

	if hh.RecoveryColor == "" {
		hh.RecoveryColor = hipchat.ColorGreen
	}

	if hh.From == "" {
		hh.From = "Circonus"
	}

	return hh
}

func loadTemplates() {
	templateBox := rice.MustFindBox("templates")
	layout, err := templateBox.String("layout.html")
	if err != nil {
		log.Fatal(err)
	}

	t := []string{
		"index",
		"article",
		"archive",
	}

	for _, tplName := range t {
		tplContent, err := templateBox.String(tplName + ".html")
		if err != nil {
			log.Fatal(err)
		}
		templates[tplName] = template.Must(template.New("layout").Parse(layout + tplContent))
	}

	feed, err := templateBox.String("feed.atom")
	if err != nil {
		log.Fatal(err)
	}

	templates["feed.atom"] = template.Must(template.New("feed.atom").Parse(feed))

	sitemap, err := templateBox.String("sitemap.xml")
	if err != nil {
		log.Fatal(err)
	}

	templates["sitemap.xml"] = template.Must(template.New("sitemap.xml").Parse(sitemap))
}

// New allocates a new TvRenamer with the given language, formatting, path and regexp
func New(language string, nameFormatting string, newPath string, regex string, move bool) *TvRenamer {

	var err error

	tvr := TvRenamer{
		Language: language,
		Move:     move,
	}

	tvr.NameFormatting, err = template.New("Filename formatting").Parse(nameFormatting)
	if err != nil {
		log.Fatal(err)
	}

	tvr.NewPath, err = template.New("Path formatting").Parse(newPath)
	if err != nil {
		log.Fatal(err)
	}

	tvr.Regex, err = regexp.Compile(regex)
	if err != nil {
		log.Fatal(err)
	}

	return &tvr
}

func printRegistryService(name string, port int) error {
	sTemplate, err := template.New("registry").Parse(registryTemplateString)
	if err != nil {
		return err
	}

	aTemplate, err := template.New("announce").Parse(announceTemplateString)
	if err != nil {
		return err
	}

	config := new(service)
	config.Name = name
	config.Port = port

	server, err := os.Create(fmt.Sprintf("%s/%s.service", outPath, config.Name))
	if err != nil {
		return err
	}

	announce, err := os.Create(fmt.Sprintf("%s/announce-%s.service", outPath, config.Name))
	if err != nil {
		return err
	}

	err = sTemplate.Execute(server, config)
	if err != nil {
		return err
	}

	return aTemplate.Execute(announce, config)
}