Golang Template.Name方法代码示例

func parseTemplates(tpl *template.Template) (err error) {
	templatesToBeParsed := []string{tpl.Name()}

	for len(templatesToBeParsed) != 0 {
		name := templatesToBeParsed[0]
		templatesToBeParsed = templatesToBeParsed[1:]

		parsed := false
		for _, t := range tpl.Templates() {
			if tpl.Name() != name && t.Name() == name {
				parsed = true
				break
			}
		}

		if !parsed {
			content, err := readTemplate(name)
			if err != nil {
				return err
			}
			_, err = tpl.Parse(content)
			check(err)

			for _, matched := range templateKeyword.FindAllStringSubmatch(content, -1) {
				templatesToBeParsed = append(templatesToBeParsed, matched[1])
			}
		}
	}

	return
}

func parseFiles(filenames ...string) (*template.Template, error) {
	if len(filenames) == 0 {
		// Not really a problem, but be consistent.
		return nil, fmt.Errorf("template: no files named in call to ParseFiles")
	}

	var t *template.Template
	for _, filename := range filenames {
		b, err := ioutil.ReadFile(filename)
		if err != nil {
			return nil, err
		}
		s := string(b)
		name := filepath.Base(filename)
		var tmpl *template.Template
		if t == nil {
			t = template.New(name).Funcs(baseFuncs)
		}
		if name == t.Name() {
			tmpl = t
		} else {
			tmpl = t.New(name)
		}
		_, err = tmpl.Parse(s)
		if err != nil {
			return nil, err
		}
	}
	return t, nil
}

func LoadTemplates() (*template.Template, error) {
	// Below is taken from http://golang.org/src/html/template/template.go
	// because there is no way to get all the templates from the in-memory filesystem.
	// We would like to use e.g. ParseFiles but that is hard-coded
	// to use an actual filesystem; we cannot retarget it.
	var t *template.Template
	for _, filename := range filenames {
		s, err := templates.FSString(false, filename)
		if err != nil {
			return nil, err
		}
		name := filepath.Base(filename)
		// First template becomes return value if not already defined,
		// and we use that one for subsequent New calls to associate
		// all the templates together. Also, if this file has the same name
		// as t, this file becomes the contents of t, so
		//  t, err := New(name).Funcs(xxx).ParseFiles(name)
		// works. Otherwise we create a new template associated with t.
		var tmpl *template.Template
		if t == nil {
			t = template.New(name)
		}
		if name == t.Name() {
			tmpl = t
		} else {
			tmpl = t.New(name)
		}
		_, err = tmpl.Parse(s)
		if err != nil {
			return nil, err
		}
	}
	return t, nil
}

func parseTemplates(filenames ...string) (*template.Template, error) {
	var t *template.Template
	for _, filename := range filenames {
		b, err := loadTemplate(filename)
		if err != nil {
			return nil, err
		}
		s := string(b)
		name := filepath.Base(filename)
		// First template becomes return value if not already defined,
		// and we use that one for subsequent New calls to associate
		// all the templates together. Also, if this file has the same name
		// as t, this file becomes the contents of t, so
		//  t, err := New(name).Funcs(xxx).ParseFiles(name)
		// works. Otherwise we create a new template associated with t.
		var tmpl *template.Template
		if t == nil {
			t = template.New(name)
		}
		if name == t.Name() {
			tmpl = t
		} else {
			tmpl = t.New(name)
		}
		_, err = tmpl.Parse(s)
		if err != nil {
			return nil, err
		}
	}
	return t, nil
}

func (t *BinTemplate) LoadDirectory(directory string) (*template.Template, error) {
	var tmpl *template.Template

	files, err := t.AssetDir(directory)
	if err != nil {
		return tmpl, err
	}

	for _, filePath := range files {
		contents, err := t.Asset(directory + "/" + filePath)
		if err != nil {
			return tmpl, err
		}

		name := filepath.Base(filePath)

		if tmpl == nil {
			tmpl = template.New(name)
		}

		if name != tmpl.Name() {
			tmpl = tmpl.New(name)
		}

		if _, err = tmpl.Parse(string(contents)); err != nil {
			return tmpl, err
		}
	}

	return tmpl, nil
}

func buildTemplate(dir string, funcMap template.FuncMap) (*template.Template, error) {
	var t *template.Template
	return t, filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
		if !info.IsDir() {
			filetext, err := ioutil.ReadFile(path)
			if err != nil {
				return err
			}
			text := string(filetext)
			name := path[len(dir)+1:]
			name = strings.Replace(name, `\`, `/`, -1)

			var tmpl *template.Template
			if t == nil {
				t = template.New(name)
			}
			if name == t.Name() {
				tmpl = t
			} else {
				tmpl = t.New(name)
			}
			_, err = tmpl.Funcs(funcMap).Parse(text)
			if err != nil {
				return err
			}
		}
		return nil
	})
}

func parseFiles(filenames ...string) (*template.Template, error) {
	var t *template.Template = nil
	var err error = nil

	if len(filenames) == 0 {
		return nil, fmt.Errorf("html/template: no files named in call to ParseFiles")
	}

	sort.Strings(filenames)

	for _, filename := range filenames {
		if t == nil {
			t = template.New(filename)
		}
		if filename != t.Name() {
			t = t.New(filename)
		}
		_, err = t.Funcs(funcMap).Parse(templates[filename])

		// anyone template syntax error throw panic
		if err != nil {
			panic(err)
		}
	}
	return t, err
}

// applyBody
func applyBody(t *template.Template, names, bodies []string) (*template.Template, error) {
	for i := 0; i < len(names); i++ {
		name, body := names[i], bodies[i]
		var tmpl *template.Template
		if t == nil {
			t = template.New(name)
		}
		if name == t.Name() {
			tmpl = t
		} else {
			tmpl = t.New(name)
		}
		if len(Template.Filters) > 0 {
			tmpl = applyFilters(tmpl, Template.Filters...)
		}
		if Template.Delims.isValid() {
			tmpl.Delims(Template.Delims.Get())
		}
		DebugPrintf("Parse as \"%s\"\n", name)
		_, err := tmpl.Parse(body)
		if err != nil {
			return nil, err
		}
	}
	return t, nil
}

func mkHttpHandler(h Handler, tpl *template.Template) http.HandlerFunc {
	return func(rw http.ResponseWriter, req *http.Request) {
		sess, err := getSess(req)
		if err != nil {
			req.Cookies()
			log.Printf("Error while getting session: %s", err)
			rw.Write([]byte("Unable to create a session. Try reloading the page or delete the cookies for this site."))
		}

		user := userFromSess(sess)
		outdata, user := h(user, sess, req)
		mail := ""
		if user != nil {
			mail = user.Email()
		}

		if err := sess.Save(req, rw); err != nil {
			log.Printf("Error while saving session: %s", err)
		}

		if err := tpl.Execute(rw, &tpldata{mail, outdata}); err != nil {
			log.Printf("Error executing template %s: %s", tpl.Name(), err)
		}
	}
}

// parseFiles is the helper for the method and function. If the argument
// template is nil, it is created from the first file.
func parseBindataFiles(filenames ...string) (*template.Template, error) {
	var t *template.Template
	if len(filenames) == 0 {
		// Not really a problem, but be consistent.
		return nil, fmt.Errorf("html/template: no files named in call to ParseFiles")
	}
	for _, filename := range filenames {
		b, err := templates.Asset(filename)
		if err != nil {
			return nil, err
		}
		s := string(b)
		name := filepath.Base(filename)
		// First template becomes return value if not already defined,
		// and we use that one for subsequent New calls to associate
		// all the templates together. Also, if this file has the same name
		// as t, this file becomes the contents of t, so
		//  t, err := New(name).Funcs(xxx).ParseFiles(name)
		// works. Otherwise we create a new template associated with t.
		var tmpl *template.Template
		if t == nil {
			t = template.New(name)
		}
		if name == t.Name() {
			tmpl = t
		} else {
			tmpl = t.New(name)
		}
		_, err = tmpl.Parse(s)
		if err != nil {
			return nil, err
		}
	}
	return t, nil
}

func ShortcodeRender(tmpl *template.Template, data *ShortcodeWithPage) string {
	buffer := new(bytes.Buffer)
	err := tmpl.Execute(buffer, data)
	if err != nil {
		fmt.Println("error processing shortcode", tmpl.Name(), "\n ERR:", err)
	}
	return buffer.String()
}

func tplHandler(t *template.Template) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		log.Println("Handling", r.URL, "with template", t.Name())
		if err := t.Execute(w, nil); err != nil {
			log.Println(err)
			http.Error(w, err.Error(), http.StatusInternalServerError)
		}
	})
}

// returns "" on error
func templateToString(t *template.Template, data interface{}) string {
	var buf bytes.Buffer
	err := t.Execute(&buf, data)
	if err != nil {
		logger.Errorf("Failed to execute template '%s', error: %s", t.Name(), err.Error())
		return ""
	}
	return string(buf.Bytes())
}

// Render a named template name to the HTTP channel
func renderTemplate(w io.Writer, tmpl template.Template, context interface{}) {
	log.Printf("Rendering %s", tmpl.Name())
	err := tmpl.ExecuteTemplate(w, "base.html", context)
	if err != nil {
		log.Printf("ERROR: %s", err)
		w.Write([]byte("Unable to render"))
		return
	}
}

func renderShortcodeWithPage(tmpl *template.Template, data *ShortcodeWithPage) string {
	buffer := bp.GetBuffer()
	defer bp.PutBuffer(buffer)

	err := tmpl.Execute(buffer, data)
	if err != nil {
		jww.ERROR.Println("error processing shortcode", tmpl.Name(), "\n ERR:", err)
		jww.WARN.Println(data)
	}
	return buffer.String()
}