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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
import "strings"
func ruleHeading(s *StateBlock, startLine, _ int, silent bool) bool {
pos := s.BMarks[startLine] + s.TShift[startLine]
max := s.EMarks[startLine]
src := s.Src
if s.SCount[startLine]-s.BlkIndent >= 4 {
return false
}
if pos >= max || src[pos] != '#' {
return false
}
level := 1
pos++
for pos < max && src[pos] == '#' && level <= 6 {
level++
pos++
}
if level > 6 || (pos < max && !byteIsSpace(src[pos])) {
return false
}
if silent {
return true
}
max = s.SkipSpacesBack(max, pos)
tmp := s.SkipBytesBack(max, '#', pos)
if tmp > pos && byteIsSpace(src[tmp-1]) {
max = tmp
}
s.Line = startLine + 1
s.PushOpeningToken(&HeadingOpen{
HLevel: level,
Map: [2]int{startLine, s.Line},
})
if pos < max {
s.PushToken(&Inline{
Content: strings.TrimSpace(src[pos:max]),
Map: [2]int{startLine, s.Line},
})
}
s.PushClosingToken(&HeadingClose{HLevel: level})
return true
}
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