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add BeeTemplateExt

This commit is contained in:
astaxie 2013-03-14 17:57:09 +08:00
parent 512d115639
commit 281747ab43

View File

@ -1,156 +1,169 @@
package beego
//@todo add template funcs
import (
"errors"
"fmt"
"github.com/russross/blackfriday"
"html/template"
"os"
"path"
"path/filepath"
"strings"
"time"
)
var (
beegoTplFuncMap template.FuncMap
BeeTemplates map[string]*template.Template
BeeTemplateExt string
)
func init() {
BeeTemplates = make(map[string]*template.Template)
beegoTplFuncMap = make(template.FuncMap)
BeeTemplateExt = "tpl"
beegoTplFuncMap["markdown"] = MarkDown
beegoTplFuncMap["dateformat"] = DateFormat
beegoTplFuncMap["date"] = Date
beegoTplFuncMap["compare"] = Compare
}
// MarkDown parses a string in MarkDown format and returns HTML. Used by the template parser as "markdown"
func MarkDown(raw string) (output template.HTML) {
input := []byte(raw)
bOutput := blackfriday.MarkdownBasic(input)
output = template.HTML(string(bOutput))
return
}
// DateFormat takes a time and a layout string and returns a string with the formatted date. Used by the template parser as "dateformat"
func DateFormat(t time.Time, layout string) (datestring string) {
datestring = t.Format(layout)
return
}
// Date takes a PHP like date func to Go's time fomate
func Date(t time.Time, format string) (datestring string) {
patterns := []string{
// year
"Y", "2006", // A full numeric representation of a year, 4 digits Examples: 1999 or 2003
"y", "06", //A two digit representation of a year Examples: 99 or 03
// month
"m", "01", // Numeric representation of a month, with leading zeros 01 through 12
"n", "1", // Numeric representation of a month, without leading zeros 1 through 12
"M", "Jan", // A short textual representation of a month, three letters Jan through Dec
"F", "January", // A full textual representation of a month, such as January or March January through December
// day
"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31
"j", "2", // Day of the month without leading zeros 1 to 31
// week
"D", "Mon", // A textual representation of a day, three letters Mon through Sun
"l", "Monday", // A full textual representation of the day of the week Sunday through Saturday
// time
"g", "3", // 12-hour format of an hour without leading zeros 1 through 12
"G", "15", // 24-hour format of an hour without leading zeros 0 through 23
"h", "03", // 12-hour format of an hour with leading zeros 01 through 12
"H", "15", // 24-hour format of an hour with leading zeros 00 through 23
"a", "pm", // Lowercase Ante meridiem and Post meridiem am or pm
"A", "PM", // Uppercase Ante meridiem and Post meridiem AM or PM
"i", "04", // Minutes with leading zeros 00 to 59
"s", "05", // Seconds, with leading zeros 00 through 59
}
replacer := strings.NewReplacer(patterns...)
format = replacer.Replace(format)
datestring = t.Format(format)
return
}
// Compare is a quick and dirty comparison function. It will convert whatever you give it to strings and see if the two values are equal.
// Whitespace is trimmed. Used by the template parser as "eq"
func Compare(a, b interface{}) (equal bool) {
equal = false
if strings.TrimSpace(fmt.Sprintf("%v", a)) == strings.TrimSpace(fmt.Sprintf("%v", b)) {
equal = true
}
return
}
// AddFuncMap let user to register a func in the template
func AddFuncMap(key string, funname interface{}) error {
if _, ok := beegoTplFuncMap[key]; ok {
return errors.New("funcmap already has the key")
}
beegoTplFuncMap[key] = funname
return nil
}
type templatefile struct {
root string
files map[string][]string
}
func (self *templatefile) visit(paths string, f os.FileInfo, err error) error {
if f == nil {
return err
}
if f.IsDir() {
return nil
} else if (f.Mode() & os.ModeSymlink) > 0 {
return nil
} else {
if strings.HasSuffix(paths, BeeTemplateExt) {
a := []byte(paths)
a = a[len([]byte(self.root)):]
subdir := path.Dir(strings.TrimLeft(string(a), "/"))
if _, ok := self.files[subdir]; ok {
self.files[subdir] = append(self.files[subdir], paths)
} else {
m := make([]string, 1)
m[0] = paths
self.files[subdir] = m
}
}
}
return nil
}
func SetGlobalTemplateExt(ext string) {
BeeTemplateExt = ext
}
func BuildTemplate(dir string) error {
self := templatefile{
root: dir,
files: make(map[string][]string),
}
err := filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
return self.visit(path, f, err)
})
if err != nil {
fmt.Printf("filepath.Walk() returned %v\n", err)
return err
}
for k, v := range self.files {
BeeTemplates[k] = template.Must(template.New("beegoTemplate" + k).Funcs(beegoTplFuncMap).ParseFiles(v...))
}
return nil
}
package beego
//@todo add template funcs
import (
"errors"
"fmt"
"github.com/russross/blackfriday"
"html/template"
"os"
"path"
"path/filepath"
"strings"
"time"
)
var (
beegoTplFuncMap template.FuncMap
BeeTemplates map[string]*template.Template
BeeTemplateExt []string
)
func init() {
BeeTemplates = make(map[string]*template.Template)
beegoTplFuncMap = make(template.FuncMap)
BeeTemplateExt = make([]string, 0)
BeeTemplateExt = append(BeeTemplateExt, "tpl", "html")
beegoTplFuncMap["markdown"] = MarkDown
beegoTplFuncMap["dateformat"] = DateFormat
beegoTplFuncMap["date"] = Date
beegoTplFuncMap["compare"] = Compare
}
// MarkDown parses a string in MarkDown format and returns HTML. Used by the template parser as "markdown"
func MarkDown(raw string) (output template.HTML) {
input := []byte(raw)
bOutput := blackfriday.MarkdownBasic(input)
output = template.HTML(string(bOutput))
return
}
// DateFormat takes a time and a layout string and returns a string with the formatted date. Used by the template parser as "dateformat"
func DateFormat(t time.Time, layout string) (datestring string) {
datestring = t.Format(layout)
return
}
// Date takes a PHP like date func to Go's time fomate
func Date(t time.Time, format string) (datestring string) {
patterns := []string{
// year
"Y", "2006", // A full numeric representation of a year, 4 digits Examples: 1999 or 2003
"y", "06", //A two digit representation of a year Examples: 99 or 03
// month
"m", "01", // Numeric representation of a month, with leading zeros 01 through 12
"n", "1", // Numeric representation of a month, without leading zeros 1 through 12
"M", "Jan", // A short textual representation of a month, three letters Jan through Dec
"F", "January", // A full textual representation of a month, such as January or March January through December
// day
"d", "02", // Day of the month, 2 digits with leading zeros 01 to 31
"j", "2", // Day of the month without leading zeros 1 to 31
// week
"D", "Mon", // A textual representation of a day, three letters Mon through Sun
"l", "Monday", // A full textual representation of the day of the week Sunday through Saturday
// time
"g", "3", // 12-hour format of an hour without leading zeros 1 through 12
"G", "15", // 24-hour format of an hour without leading zeros 0 through 23
"h", "03", // 12-hour format of an hour with leading zeros 01 through 12
"H", "15", // 24-hour format of an hour with leading zeros 00 through 23
"a", "pm", // Lowercase Ante meridiem and Post meridiem am or pm
"A", "PM", // Uppercase Ante meridiem and Post meridiem AM or PM
"i", "04", // Minutes with leading zeros 00 to 59
"s", "05", // Seconds, with leading zeros 00 through 59
}
replacer := strings.NewReplacer(patterns...)
format = replacer.Replace(format)
datestring = t.Format(format)
return
}
// Compare is a quick and dirty comparison function. It will convert whatever you give it to strings and see if the two values are equal.
// Whitespace is trimmed. Used by the template parser as "eq"
func Compare(a, b interface{}) (equal bool) {
equal = false
if strings.TrimSpace(fmt.Sprintf("%v", a)) == strings.TrimSpace(fmt.Sprintf("%v", b)) {
equal = true
}
return
}
// AddFuncMap let user to register a func in the template
func AddFuncMap(key string, funname interface{}) error {
if _, ok := beegoTplFuncMap[key]; ok {
return errors.New("funcmap already has the key")
}
beegoTplFuncMap[key] = funname
return nil
}
type templatefile struct {
root string
files map[string][]string
}
func (self *templatefile) visit(paths string, f os.FileInfo, err error) error {
if f == nil {
return err
}
if f.IsDir() {
return nil
} else if (f.Mode() & os.ModeSymlink) > 0 {
return nil
} else {
hasExt := false
for _, v := range BeeTemplateExt {
if strings.HasSuffix(paths, v) {
hasExt = true
break
}
}
if hasExt {
a := []byte(paths)
a = a[len([]byte(self.root)):]
subdir := path.Dir(strings.TrimLeft(string(a), "/"))
if _, ok := self.files[subdir]; ok {
self.files[subdir] = append(self.files[subdir], paths)
} else {
m := make([]string, 1)
m[0] = paths
self.files[subdir] = m
}
}
}
return nil
}
func AddTemplateExt(ext string) {
for _, v := range BeeTemplateExt {
if v == ext {
return
}
}
BeeTemplateExt = append(BeeTemplateExt, ext)
}
func BuildTemplate(dir string) error {
self := templatefile{
root: dir,
files: make(map[string][]string),
}
err := filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
return self.visit(path, f, err)
})
if err != nil {
fmt.Printf("filepath.Walk() returned %v\n", err)
return err
}
for k, v := range self.files {
BeeTemplates[k] = template.Must(template.New("beegoTemplate" + k).Funcs(beegoTplFuncMap).ParseFiles(v...))
}
return nil
}