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Member "hugo-0.113.0/markup/blackfriday/anchors.go" (5 Jun 2023, 1486 Bytes) of package /linux/www/hugo-0.113.0.tar.gz:

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    1 // Copyright 2022 The Hugo Authors. All rights reserved.
    2 //
    3 // Licensed under the Apache License, Version 2.0 (the "License");
    4 // you may not use this file except in compliance with the License.
    5 // You may obtain a copy of the License at
    6 // http://www.apache.org/licenses/LICENSE-2.0
    7 //
    8 // Unless required by applicable law or agreed to in writing, software
    9 // distributed under the License is distributed on an "AS IS" BASIS,
   10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   11 // See the License for the specific language governing permissions and
   12 // limitations under the License.
   13 
   14 // Package blackfriday holds some copmpability functions for the old Blackfriday v1 Markdown engine.
   15 package blackfriday
   16 
   17 import "unicode"
   18 
   19 // SanitizedAnchorName is how Blackfriday sanitizes anchor names.
   20 // Implementation borrowed from https://github.com/russross/blackfriday/blob/a477dd1646916742841ed20379f941cfa6c5bb6f/block.go#L1464
   21 // Note that Hugo removed its Blackfriday support in v0.100.0, but you can still use this strategy for
   22 // auto ID generation.
   23 func SanitizedAnchorName(text string) string {
   24     var anchorName []rune
   25     futureDash := false
   26     for _, r := range text {
   27         switch {
   28         case unicode.IsLetter(r) || unicode.IsNumber(r):
   29             if futureDash && len(anchorName) > 0 {
   30                 anchorName = append(anchorName, '-')
   31             }
   32             futureDash = false
   33             anchorName = append(anchorName, unicode.ToLower(r))
   34         default:
   35             futureDash = true
   36         }
   37     }
   38     return string(anchorName)
   39 }