hugo/helpers/templates.go
Anton Ageev 11ca84f8cb Add unicode support for aliases, indexes, urlize template filter.
Now aliases and indexes are not restricted ASCII letters and can include
any unicode letters.
2014-02-05 11:49:57 -05:00

56 lines
1.5 KiB
Go

// Copyright © 2013 Steve Francia <spf@spf13.com>.
//
// Licensed under the Simple Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://opensource.org/licenses/Simple-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package helpers
import (
"net/url"
"regexp"
"strings"
"unicode"
)
var sanitizeRegexp = regexp.MustCompile("[^a-zA-Z0-9./_-]")
func MakePath(s string) string {
return unicodeSanitize(strings.ToLower(strings.Replace(strings.TrimSpace(s), " ", "-", -1)))
}
func Urlize(uri string) string {
sanitized := MakePath(uri)
// escape unicode letters
parsedUri, err := url.Parse(sanitized)
if err != nil {
// if net/url can not parse URL it's meaning Sanitize works incorrect
panic(err)
}
return parsedUri.String()
}
func Sanitize(s string) string {
return sanitizeRegexp.ReplaceAllString(s, "")
}
func unicodeSanitize(s string) string {
source := []rune(s)
target := make([]rune, 0, len(source))
for _, r := range source {
if unicode.IsLetter(r) || unicode.IsDigit(r) || r == '.' || r == '/' || r == '_' || r == '-' {
target = append(target, r)
}
}
return string(target)
}