support nest template

@@ -16,8 +16,6 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"path"
-	"regexp"
 	"strconv"
 	"strings"
 	"time"
@@ -127,74 +125,22 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		if RunMode == "dev" {
 			BuildTemplate(ViewsPath)
 		}
-		subdir := path.Dir(c.TplNames)
-		_, file := path.Split(c.TplNames)
 		newbytes := bytes.NewBufferString("")
-		if _, ok := BeeTemplates[subdir]; !ok {
+		if _, ok := BeeTemplates[c.TplNames]; !ok {
 			panic("can't find templatefile in the path:" + c.TplNames)
 			return []byte{}, errors.New("can't find templatefile in the path:" + c.TplNames)
 		}
-		err := BeeTemplates[subdir].ExecuteTemplate(newbytes, file, c.Data)
+		err := BeeTemplates[c.TplNames].ExecuteTemplate(newbytes, c.TplNames, c.Data)
 		if err != nil {
-			if terr, ok := err.(*template.Error); ok {
-				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("{{template \"(.+)\"")
-					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.TplNames))
-					a := reg.FindStringSubmatch(string(filedata))
-					if len(a) > 1 {
-						for _, tfile := range a[1:] {
-							missfile := path.Join(ViewsPath, subdir, tfile)
-							if ok, _ := FileExists(missfile); ok {
-								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
-							}
-						}
-						for k, v := range AllTemplateFiles.files {
-							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
-						}
-						err = BeeTemplates[subdir].ExecuteTemplate(newbytes, file, c.Data)
-						if err != nil {
-							Trace("template Execute err:", err)
-						}
-						goto LayoutTplOk
-					}
-				}
-			}
 			Trace("template Execute err:", err)
 		}
-	LayoutTplOk:
 		tplcontent, _ := ioutil.ReadAll(newbytes)
 		c.Data["LayoutContent"] = template.HTML(string(tplcontent))
-		subdir = path.Dir(c.Layout)
-		_, file = path.Split(c.Layout)
 		ibytes := bytes.NewBufferString("")
-		err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
+		err = BeeTemplates[c.Layout].ExecuteTemplate(ibytes, c.Layout, c.Data)
 		if err != nil {
-			if terr, ok := err.(*template.Error); ok {
-				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("{{template \"(.+)\"")
-					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.Layout))
-					a := reg.FindStringSubmatch(string(filedata))
-					if len(a) > 1 {
-						for _, tfile := range a[1:] {
-							missfile := path.Join(ViewsPath, subdir, tfile)
-							if ok, _ := FileExists(missfile); ok {
-								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
-							}
-						}
-						for k, v := range AllTemplateFiles.files {
-							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
-						}
-						err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
-						if err != nil {
-							Trace("template Execute err:", err)
-						}
-						goto LayoutOk
-					}
-				}
-			}
 			Trace("template Execute err:", err)
 		}
-	LayoutOk:
 		icontent, _ := ioutil.ReadAll(ibytes)
 		return icontent, nil
 	} else {
@@ -204,40 +150,15 @@ func (c *Controller) RenderBytes() ([]byte, error) {
 		if RunMode == "dev" {
 			BuildTemplate(ViewsPath)
 		}
-		subdir := path.Dir(c.TplNames)
-		_, file := path.Split(c.TplNames)
 		ibytes := bytes.NewBufferString("")
-		if _, ok := BeeTemplates[subdir]; !ok {
+		if _, ok := BeeTemplates[c.TplNames]; !ok {
 			panic("can't find templatefile in the path:" + c.TplNames)
 			return []byte{}, errors.New("can't find templatefile in the path:" + c.TplNames)
 		}
-		err := BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
+		err := BeeTemplates[c.TplNames].ExecuteTemplate(ibytes, c.TplNames, c.Data)
 		if err != nil {
-			if terr, ok := err.(*template.Error); ok {
-				if terr.ErrorCode == template.ErrNoSuchTemplate {
-					reg := regexp.MustCompile("{{template \"(.+)\"")
-					filedata, _ := ioutil.ReadFile(path.Join(ViewsPath, c.TplNames))
-					a := reg.FindStringSubmatch(string(filedata))
-					if len(a) > 1 {
-						for _, tfile := range a[1:] {
-							missfile := path.Join(ViewsPath, subdir, tfile)
-							if ok, _ := FileExists(missfile); ok {
-								AllTemplateFiles.files[subdir] = append(AllTemplateFiles.files[subdir], missfile)
-							}
-						}
-						for k, v := range AllTemplateFiles.files {
-							BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
-						}
-						err = BeeTemplates[subdir].ExecuteTemplate(ibytes, file, c.Data)
-						if err != nil {
-							Trace("template Execute err:", err)
-						}
-						goto TplOk
-					}
-				}
-			}
+			Trace("template Execute err:", err)
 		}
-	TplOk:
 		icontent, _ := ioutil.ReadAll(ibytes)
 		return icontent, nil
 	}

@@ -6,17 +6,17 @@ import (
 	"errors"
 	"fmt"
 	"html/template"
+	"io/ioutil"
 	"os"
-	"path"
 	"path/filepath"
+	"regexp"
 	"strings"
 )
 
 var (
-	beegoTplFuncMap  template.FuncMap
-	BeeTemplates     map[string]*template.Template
-	BeeTemplateExt   []string
-	AllTemplateFiles *templatefile
+	beegoTplFuncMap template.FuncMap
+	BeeTemplates    map[string]*template.Template
+	BeeTemplateExt  []string
 )
 
 func init() {
@@ -63,7 +63,14 @@ func (self *templatefile) visit(paths string, f os.FileInfo, err error) error {
 	replace := strings.NewReplacer("\\", "/")
 	a := []byte(paths)
 	a = a[len([]byte(self.root)):]
-	subdir := path.Dir(strings.TrimLeft(replace.Replace(string(a)), "/"))
+	file := strings.TrimLeft(replace.Replace(string(a)), "/")
+	subdir := filepath.Dir(file)
+	t, err := getTemplate(file)
+	if err != nil {
+		Trace("parse template err:", file, err)
+	} else {
+		BeeTemplates[file] = t
+	}
 	if _, ok := self.files[subdir]; ok {
 		self.files[subdir] = append(self.files[subdir], paths)
 	} else {
@@ -101,19 +108,55 @@ func BuildTemplate(dir string) error {
 			return errors.New("dir open err")
 		}
 	}
-	AllTemplateFiles = &templatefile{
+	self := &templatefile{
 		root:  dir,
 		files: make(map[string][]string),
 	}
 	err := filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
-		return AllTemplateFiles.visit(path, f, err)
+		return self.visit(path, f, err)
 	})
 	if err != nil {
 		fmt.Printf("filepath.Walk() returned %v\n", err)
 		return err
 	}
-	for k, v := range AllTemplateFiles.files {
-		BeeTemplates[k] = template.Must(template.New("beegoTemplate"+k).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap).ParseFiles(v...))
-	}
 	return nil
 }
+
+func getTplDeep(file string, t *template.Template) (*template.Template, error) {
+	fileabspath := filepath.Join(ViewsPath, file)
+	data, err := ioutil.ReadFile(fileabspath)
+	if err != nil {
+		return nil, err
+	}
+	t, err = t.New(file).Parse(string(data))
+	if err != nil {
+		return nil, err
+	}
+	reg := regexp.MustCompile("{{template \"(.+)\"")
+	allsub := reg.FindAllStringSubmatch(string(data), -1)
+	for _, m := range allsub {
+		if len(m) == 2 {
+			tlook := t.Lookup(m[1])
+			if tlook != nil {
+				continue
+			}
+			if !HasTemplateEXt(m[1]) {
+				continue
+			}
+			t, err = getTplDeep(m[1], t)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+	return t, nil
+}
+
+func getTemplate(file string) (t *template.Template, err error) {
+	t = template.New(file).Delims(TemplateLeft, TemplateRight).Funcs(beegoTplFuncMap)
+	t, err = getTplDeep(file, t)
+	if err != nil {
+		return nil, err
+	}
+	return
+}