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matterbridge/vendor/gitlab.com/golang-commonmark/markdown/balance_pairs.go
Wim 04567c765e
Add support for markdown to HTML conversion (matrix). Closes #663 (#670)
This uses our own gomatrix lib with the SendHTML function which
adds HTML to formatted_body in matrix.
golang-commonmark is used to convert markdown into valid HTML.
2019-01-06 22:25:19 +01:00

44 lines
940 B
Go

// Copyright 2015 The Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package markdown
func ruleBalancePairs(s *StateInline) {
delimiters := s.Delimiters
max := len(delimiters)
for i := 0; i < max; i++ {
lastDelim := delimiters[i]
if !lastDelim.Close {
continue
}
j := i - lastDelim.Jump - 1
for j >= 0 {
currDelim := delimiters[j]
if currDelim.Open &&
currDelim.Marker == lastDelim.Marker &&
currDelim.End < 0 &&
currDelim.Level == lastDelim.Level {
oddMatch := (currDelim.Close || lastDelim.Open) &&
currDelim.Length != -1 &&
lastDelim.Length != -1 &&
(currDelim.Length+lastDelim.Length)%3 == 0
if !oddMatch {
delimiters[i].Jump = i - j
delimiters[i].Open = false
delimiters[j].End = i
delimiters[j].Jump = 0
break
}
}
j -= currDelim.Jump + 1
}
}
}