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