Source file src/github.com/yuin/goldmark/parser/blockquote.go

Documentation: github.com/yuin/goldmark/parser

     1  package parser
     2  
     3  import (
     4  	"github.com/yuin/goldmark/ast"
     5  	"github.com/yuin/goldmark/text"
     6  	"github.com/yuin/goldmark/util"
     7  )
     8  
     9  type blockquoteParser struct {
    10  }
    11  
    12  var defaultBlockquoteParser = &blockquoteParser{}
    13  
    14  // NewBlockquoteParser returns a new BlockParser that
    15  // parses blockquotes.
    16  func NewBlockquoteParser() BlockParser {
    17  	return defaultBlockquoteParser
    18  }
    19  
    20  func (b *blockquoteParser) process(reader text.Reader) bool {
    21  	line, _ := reader.PeekLine()
    22  	w, pos := util.IndentWidth(line, reader.LineOffset())
    23  	if w > 3 || pos >= len(line) || line[pos] != '>' {
    24  		return false
    25  	}
    26  	pos++
    27  	if pos >= len(line) || line[pos] == '\n' {
    28  		reader.Advance(pos)
    29  		return true
    30  	}
    31  	if line[pos] == ' ' || line[pos] == '\t' {
    32  		pos++
    33  	}
    34  	reader.Advance(pos)
    35  	if line[pos-1] == '\t' {
    36  		reader.SetPadding(2)
    37  	}
    38  	return true
    39  }
    40  
    41  func (b *blockquoteParser) Trigger() []byte {
    42  	return []byte{'>'}
    43  }
    44  
    45  func (b *blockquoteParser) Open(parent ast.Node, reader text.Reader, pc Context) (ast.Node, State) {
    46  	if b.process(reader) {
    47  		return ast.NewBlockquote(), HasChildren
    48  	}
    49  	return nil, NoChildren
    50  }
    51  
    52  func (b *blockquoteParser) Continue(node ast.Node, reader text.Reader, pc Context) State {
    53  	if b.process(reader) {
    54  		return Continue | HasChildren
    55  	}
    56  	return Close
    57  }
    58  
    59  func (b *blockquoteParser) Close(node ast.Node, reader text.Reader, pc Context) {
    60  	// nothing to do
    61  }
    62  
    63  func (b *blockquoteParser) CanInterruptParagraph() bool {
    64  	return true
    65  }
    66  
    67  func (b *blockquoteParser) CanAcceptIndentedLine() bool {
    68  	return false
    69  }
    70  

View as plain text