package parser import ( "bytes" "github.com/gomarkdown/markdown/ast" ) func (p *Parser) documentMatter(data []byte) int { if data[0] != '{' { return 0 } consumed := 0 matter := ast.DocumentMatterNone if bytes.HasPrefix(data, []byte("{frontmatter}")) { consumed = len("{frontmatter}") matter = ast.DocumentMatterFront } if bytes.HasPrefix(data, []byte("{mainmatter}")) { consumed = len("{mainmatter}") matter = ast.DocumentMatterMain } if bytes.HasPrefix(data, []byte("{backmatter}")) { consumed = len("{backmatter}") matter = ast.DocumentMatterBack } if consumed == 0 { return 0 } node := &ast.DocumentMatter{Matter: matter} p.addBlock(node) p.finalize(node) return consumed }