memos/plugin/gomark/parser/line_break.go
2023-12-13 23:50:05 +08:00

33 lines
656 B
Go

package parser
import (
"errors"
"github.com/usememos/memos/plugin/gomark/ast"
"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
)
type LineBreakParser struct{}
func NewLineBreakParser() *LineBreakParser {
return &LineBreakParser{}
}
func (*LineBreakParser) Match(tokens []*tokenizer.Token) (int, bool) {
if len(tokens) == 0 {
return 0, false
}
if tokens[0].Type != tokenizer.Newline {
return 0, false
}
return 1, true
}
func (p *LineBreakParser) Parse(tokens []*tokenizer.Token) (ast.Node, error) {
size, ok := p.Match(tokens)
if size == 0 || !ok {
return nil, errors.New("not matched")
}
return &ast.LineBreak{}, nil
}