103 lines
1.5 KiB
Go
103 lines
1.5 KiB
Go
// Copyright 2015 The Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package markdown
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import "strings"
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func ruleFence(s *StateBlock, startLine, endLine int, silent bool) bool {
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haveEndMarker := false
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pos := s.BMarks[startLine] + s.TShift[startLine]
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max := s.EMarks[startLine]
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if s.SCount[startLine]-s.BlkIndent >= 4 {
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return false
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}
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if pos+3 > max {
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return false
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}
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src := s.Src
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marker := src[pos]
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if marker != '~' && marker != '`' {
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return false
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}
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mem := pos
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pos = s.SkipBytes(pos, marker)
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len := pos - mem
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if len < 3 {
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return false
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}
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params := strings.TrimSpace(src[pos:max])
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if strings.IndexByte(params, marker) >= 0 {
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return false
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}
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if silent {
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return true
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}
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nextLine := startLine
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for {
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nextLine++
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if nextLine >= endLine {
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break
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}
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mem = s.BMarks[nextLine] + s.TShift[nextLine]
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pos = mem
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max = s.EMarks[nextLine]
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if pos < max && s.SCount[nextLine] < s.BlkIndent {
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break
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}
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if pos >= max || src[pos] != marker {
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continue
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}
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if s.SCount[nextLine]-s.BlkIndent >= 4 {
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continue
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}
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pos = s.SkipBytes(pos, marker)
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if pos-mem < len {
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continue
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}
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pos = s.SkipSpaces(pos)
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if pos < max {
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continue
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}
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haveEndMarker = true
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break
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}
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len = s.SCount[startLine]
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s.Line = nextLine
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if haveEndMarker {
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s.Line++
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}
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s.PushToken(&Fence{
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Params: params,
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Content: s.Lines(startLine+1, nextLine, len, true),
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Map: [2]int{startLine, s.Line},
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})
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return true
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}
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