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// 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 ruleTextCollapse(s *StateInline) {
level := 0
tokens := s.Tokens
max := len(tokens)
curr := 0
last := 0
for ; curr < max; curr++ {
tok := tokens[curr]
if tok.Opening() {
level++
} else if tok.Closing() {
level--
}
tok.SetLevel(level)
if text, ok := tok.(*Text); ok && curr+1 < max {
if text2, ok := tokens[curr+1].(*Text); ok {
text2.Content = text.Content + text2.Content
continue
}
}
if curr != last {
tokens[last] = tokens[curr]
}
last++
}
if curr != last {
tokens = tokens[:last]
}
s.Tokens = tokens
}
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