quote.go

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package markdown
     6  
     7  import (
     8  	"bytes"
     9  )
    10  
    11  type Quote struct {
    12  	Position
    13  	Blocks []Block
    14  }
    15  
    16  func (b *Quote) PrintHTML(buf *bytes.Buffer) {
    17  	buf.WriteString("<blockquote>\n")
    18  	for _, c := range b.Blocks {
    19  		c.PrintHTML(buf)
    20  	}
    21  	buf.WriteString("</blockquote>\n")
    22  }
    23  
    24  func (b *Quote) printMarkdown(buf *bytes.Buffer, s mdState) {
    25  	s.prefix += "> "
    26  	printMarkdownBlocks(b.Blocks, buf, s)
    27  }
    28  
    29  func trimQuote(s line) (line, bool) {
    30  	t := s
    31  	t.trimSpace(0, 3, false)
    32  	if !t.trim('>') {
    33  		return s, false
    34  	}
    35  	t.trimSpace(0, 1, true)
    36  	return t, true
    37  }
    38  
    39  type quoteBuilder struct{}
    40  
    41  func newQuote(p *parseState, s line) (line, bool) {
    42  	if line, ok := trimQuote(s); ok {
    43  		p.addBlock(new(quoteBuilder))
    44  		return line, true
    45  	}
    46  	return s, false
    47  }
    48  
    49  func (b *quoteBuilder) extend(p *parseState, s line) (line, bool) {
    50  	return trimQuote(s)
    51  }
    52  
    53  func (b *quoteBuilder) build(p buildState) Block {
    54  	return &Quote{p.pos(), p.blocks()}
    55  }
    56
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