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Merge pull request #1727 from JessonChan/templates_bug_fix
lock the templates map when goroutie update the map
This commit is contained in:
astaxie
commit
f0a41f978f
96
template.go
96
template.go
@ -23,6 +23,7 @@ import (
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"path/filepath"
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"regexp"
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"strings"
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"sync"
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"github.com/astaxie/beego/utils"
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)
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@ -31,6 +32,7 @@ var (
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beegoTplFuncMap = make(template.FuncMap)
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// BeeTemplates caching map and supported template file extensions.
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BeeTemplates = make(map[string]*template.Template)
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templatesLock sync.Mutex
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// BeeTemplateExt stores the template extension which will build
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BeeTemplateExt = []string{"tpl", "html"}
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)
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@ -66,17 +68,21 @@ func init() {
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}
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// AddFuncMap let user to register a func in the template.
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func AddFuncMap(key string, funname interface{}) error {
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beegoTplFuncMap[key] = funname
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func AddFuncMap(key string, fn interface{}) error {
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beegoTplFuncMap[key] = fn
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return nil
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}
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type templatefile struct {
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type templateFile struct {
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root string
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files map[string][]string
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}
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func (tf *templatefile) visit(paths string, f os.FileInfo, err error) error {
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// visit will make the paths into two part,the first is subDir (without tf.root),the second is full path(without tf.root).
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// if tf.root="views" and
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// paths is "views/errors/404.html",the subDir will be "errors",the file will be "errors/404.html"
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// paths is "views/admin/errors/404.html",the subDir will be "admin/errors",the file will be "admin/errors/404.html"
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func (tf *templateFile) visit(paths string, f os.FileInfo, err error) error {
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if f == nil {
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return err
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}
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@ -88,18 +94,10 @@ func (tf *templatefile) visit(paths string, f os.FileInfo, err error) error {
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}
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replace := strings.NewReplacer("\\", "/")
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a := []byte(paths)
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a = a[len([]byte(tf.root)):]
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file := strings.TrimLeft(replace.Replace(string(a)), "/")
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subdir := filepath.Dir(file)
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if _, ok := tf.files[subdir]; ok {
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tf.files[subdir] = append(tf.files[subdir], file)
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} else {
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m := make([]string, 1)
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m[0] = file
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tf.files[subdir] = m
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}
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file := strings.TrimLeft(replace.Replace(paths[len(tf.root):]), "/")
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subDir := filepath.Dir(file)
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tf.files[subDir] = append(tf.files[subDir], file)
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return nil
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}
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@ -132,7 +130,7 @@ func BuildTemplate(dir string, files ...string) error {
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}
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return errors.New("dir open err")
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}
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self := &templatefile{
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self := &templateFile{
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root: dir,
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files: make(map[string][]string),
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}
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@ -146,12 +144,14 @@ func BuildTemplate(dir string, files ...string) error {
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for _, v := range self.files {
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for _, file := range v {
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if len(files) == 0 || utils.InSlice(file, files) {
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templatesLock.Lock()
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t, err := getTemplate(self.root, file, v...)
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if err != nil {
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Trace("parse template err:", file, err)
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} else {
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BeeTemplates[file] = t
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}
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templatesLock.Unlock()
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}
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}
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}
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@ -159,16 +159,16 @@ func BuildTemplate(dir string, files ...string) error {
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}
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func getTplDeep(root, file, parent string, t *template.Template) (*template.Template, [][]string, error) {
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var fileabspath string
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var fileAbsPath string
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if filepath.HasPrefix(file, "../") {
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fileabspath = filepath.Join(root, filepath.Dir(parent), file)
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fileAbsPath = filepath.Join(root, filepath.Dir(parent), file)
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} else {
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fileabspath = filepath.Join(root, file)
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fileAbsPath = filepath.Join(root, file)
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}
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if e := utils.FileExists(fileabspath); !e {
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if e := utils.FileExists(fileAbsPath); !e {
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panic("can't find template file:" + file)
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}
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data, err := ioutil.ReadFile(fileabspath)
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data, err := ioutil.ReadFile(fileAbsPath)
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if err != nil {
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return nil, [][]string{}, err
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}
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@ -177,11 +177,11 @@ func getTplDeep(root, file, parent string, t *template.Template) (*template.Temp
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return nil, [][]string{}, err
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}
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reg := regexp.MustCompile(BConfig.WebConfig.TemplateLeft + "[ ]*template[ ]+\"([^\"]+)\"")
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allsub := reg.FindAllStringSubmatch(string(data), -1)
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for _, m := range allsub {
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allSub := reg.FindAllStringSubmatch(string(data), -1)
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for _, m := range allSub {
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if len(m) == 2 {
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tlook := t.Lookup(m[1])
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if tlook != nil {
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tl := t.Lookup(m[1])
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if tl != nil {
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continue
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}
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if !HasTemplateExt(m[1]) {
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@ -193,17 +193,17 @@ func getTplDeep(root, file, parent string, t *template.Template) (*template.Temp
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}
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}
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}
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return t, allsub, nil
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return t, allSub, nil
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}
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func getTemplate(root, file string, others ...string) (t *template.Template, err error) {
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t = template.New(file).Delims(BConfig.WebConfig.TemplateLeft, BConfig.WebConfig.TemplateRight).Funcs(beegoTplFuncMap)
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var submods [][]string
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t, submods, err = getTplDeep(root, file, "", t)
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var subMods [][]string
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t, subMods, err = getTplDeep(root, file, "", t)
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if err != nil {
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return nil, err
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}
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t, err = _getTemplate(t, root, submods, others...)
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t, err = _getTemplate(t, root, subMods, others...)
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if err != nil {
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return nil, err
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@ -211,44 +211,44 @@ func getTemplate(root, file string, others ...string) (t *template.Template, err
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return
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}
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func _getTemplate(t0 *template.Template, root string, submods [][]string, others ...string) (t *template.Template, err error) {
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func _getTemplate(t0 *template.Template, root string, subMods [][]string, others ...string) (t *template.Template, err error) {
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t = t0
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for _, m := range submods {
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for _, m := range subMods {
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if len(m) == 2 {
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templ := t.Lookup(m[1])
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if templ != nil {
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tpl := t.Lookup(m[1])
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if tpl != nil {
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continue
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}
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//first check filename
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for _, otherfile := range others {
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if otherfile == m[1] {
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var submods1 [][]string
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t, submods1, err = getTplDeep(root, otherfile, "", t)
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for _, otherFile := range others {
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if otherFile == m[1] {
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var subMods1 [][]string
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t, subMods1, err = getTplDeep(root, otherFile, "", t)
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if err != nil {
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Trace("template parse file err:", err)
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} else if submods1 != nil && len(submods1) > 0 {
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t, err = _getTemplate(t, root, submods1, others...)
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} else if subMods1 != nil && len(subMods1) > 0 {
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t, err = _getTemplate(t, root, subMods1, others...)
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}
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break
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}
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}
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//second check define
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for _, otherfile := range others {
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fileabspath := filepath.Join(root, otherfile)
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data, err := ioutil.ReadFile(fileabspath)
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for _, otherFile := range others {
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fileAbsPath := filepath.Join(root, otherFile)
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data, err := ioutil.ReadFile(fileAbsPath)
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if err != nil {
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continue
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}
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reg := regexp.MustCompile(BConfig.WebConfig.TemplateLeft + "[ ]*define[ ]+\"([^\"]+)\"")
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allsub := reg.FindAllStringSubmatch(string(data), -1)
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for _, sub := range allsub {
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allSub := reg.FindAllStringSubmatch(string(data), -1)
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for _, sub := range allSub {
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if len(sub) == 2 && sub[1] == m[1] {
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var submods1 [][]string
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t, submods1, err = getTplDeep(root, otherfile, "", t)
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var subMods1 [][]string
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t, subMods1, err = getTplDeep(root, otherFile, "", t)
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if err != nil {
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Trace("template parse file err:", err)
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} else if submods1 != nil && len(submods1) > 0 {
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t, err = _getTemplate(t, root, submods1, others...)
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} else if subMods1 != nil && len(subMods1) > 0 {
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t, err = _getTemplate(t, root, subMods1, others...)
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}
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break
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}
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