diff options
author | spf13 <steve.francia@gmail.com> | 2014-02-28 03:32:09 +0400 |
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committer | spf13 <steve.francia@gmail.com> | 2014-02-28 05:33:18 +0400 |
commit | 14227351fad4acda28c9de90b593c952026f2911 (patch) | |
tree | 00157055ea1eac533db7ea07dc5043f06c129916 /helpers/path.go | |
parent | 64572d2d60a6bee0cc0b87dcf0a944d88375d964 (diff) |
Reorganization of helpers. Centralized Url/Path logic. Fixed #175.
Diffstat (limited to 'helpers/path.go')
-rw-r--r-- | helpers/path.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/helpers/path.go b/helpers/path.go new file mode 100644 index 000000000..024b0e941 --- /dev/null +++ b/helpers/path.go @@ -0,0 +1,120 @@ +// Copyright © 2014 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 ( + "os" + "path" + "regexp" + "strings" + "unicode" +) + +var sanitizeRegexp = regexp.MustCompile("[^a-zA-Z0-9./_-]") + +// Take a string with any characters and replace it so the string could be used in a path. +// E.g. Social Media -> social-media +func MakePath(s string) string { + return UnicodeSanitize(strings.ToLower(strings.Replace(strings.TrimSpace(s), " ", "-", -1))) +} + +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) +} + +func ReplaceExtension(path string, newExt string) string { + f, _ := FileAndExt(path) + return f + "." + newExt +} + +// Check if Exists && is Directory +func DirExists(path string) (bool, error) { + fi, err := os.Stat(path) + if err == nil && fi.IsDir() { + return true, nil + } + if os.IsNotExist(err) { + return false, nil + } + return false, err +} + +// Check if File / Directory Exists +func Exists(path string) (bool, error) { + _, err := os.Stat(path) + if err == nil { + return true, nil + } + if os.IsNotExist(err) { + return false, nil + } + return false, err +} + +func FileAndExt(in string) (name string, ext string) { + ext = path.Ext(in) + base := path.Base(in) + + if strings.Contains(base, ".") { + name = base[:strings.LastIndex(base, ".")] + } else { + name = in + } + + return +} + +func PathPrep(ugly bool, in string) string { + if ugly { + return Uglify(in) + } else { + return PrettifyPath(in) + } +} + +// /section/name.html -> /section/name/index.html +// /section/name/ -> /section/name/index.html +// /section/name/index.html -> /section/name/index.html +func PrettifyPath(in string) string { + if path.Ext(in) == "" { + // /section/name/ -> /section/name/index.html + if len(in) < 2 { + return "/" + } + return path.Join(path.Clean(in), "index.html") + } else { + name, ext := FileAndExt(in) + if name == "index" { + // /section/name/index.html -> /section/name/index.html + return path.Clean(in) + } else { + // /section/name.html -> /section/name/index.html + return path.Join(path.Dir(in), name, "index"+ext) + } + } + return in +} |