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refactor: markdown parser matchers

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This commit is contained in:
Steven
2024-01-23 21:23:40 +08:00
parent bf905bba86
commit d165d87288
55 changed files with 454 additions and 894 deletions
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25
plugin/gomark/parser/code_block.go
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@ -1,8 +1,6 @@
package parser
import (
"errors"
"github.com/usememos/memos/plugin/gomark/ast"
"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
)
@ -16,16 +14,16 @@ func NewCodeBlockParser() *CodeBlockParser {
return &CodeBlockParser{}
}
func (*CodeBlockParser) Match(tokens []*tokenizer.Token) (int, bool) {
func (*CodeBlockParser) Match(tokens []*tokenizer.Token) (ast.Node, int) {
if len(tokens) < 9 {
return 0, false
return nil, 0
}
if tokens[0].Type != tokenizer.Backtick || tokens[1].Type != tokenizer.Backtick || tokens[2].Type != tokenizer.Backtick {
return 0, false
return nil, 0
}
if tokens[3].Type != tokenizer.Newline && tokens[4].Type != tokenizer.Newline {
return 0, false
return nil, 0
}
cursor := 4
if tokens[3].Type != tokenizer.Newline {
@ -47,20 +45,11 @@ func (*CodeBlockParser) Match(tokens []*tokenizer.Token) (int, bool) {
}
}
if !matched {
return 0, false
}
return cursor, true
}
func (p *CodeBlockParser) Parse(tokens []*tokenizer.Token) (ast.Node, error) {
size, ok := p.Match(tokens)
if size == 0 || !ok {
return nil, errors.New("not matched")
return nil, 0
}
languageToken := tokens[3]
contentStart, contentEnd := 5, size-4
contentStart, contentEnd := 5, cursor-4
if languageToken.Type == tokenizer.Newline {
languageToken = nil
contentStart = 4
@ -72,5 +61,5 @@ func (p *CodeBlockParser) Parse(tokens []*tokenizer.Token) (ast.Node, error) {
if languageToken != nil {
codeBlock.Language = languageToken.String()
}
return codeBlock, nil
return codeBlock, cursor
}