mirror of
https://github.com/usememos/memos.git
synced 2024-11-14 18:59:53 +08:00
215 lines
8.7 KiB
Go
215 lines
8.7 KiB
Go
package v2
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/usememos/memos/plugin/gomark/ast"
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"github.com/usememos/memos/plugin/gomark/parser"
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"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
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apiv2pb "github.com/usememos/memos/proto/gen/api/v2"
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)
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func (*APIV2Service) ParseMarkdown(_ context.Context, request *apiv2pb.ParseMarkdownRequest) (*apiv2pb.ParseMarkdownResponse, error) {
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rawNodes, err := parser.Parse(tokenizer.Tokenize(request.Markdown))
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if err != nil {
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return nil, errors.Wrap(err, "failed to parse memo content")
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}
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nodes := convertFromASTNodes(rawNodes)
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return &apiv2pb.ParseMarkdownResponse{
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Nodes: nodes,
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}, nil
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}
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func convertFromASTNodes(rawNodes []ast.Node) []*apiv2pb.Node {
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nodes := []*apiv2pb.Node{}
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for _, rawNode := range rawNodes {
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node := convertFromASTNode(rawNode)
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nodes = append(nodes, node)
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}
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return nodes
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}
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func convertFromASTNode(rawNode ast.Node) *apiv2pb.Node {
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node := &apiv2pb.Node{
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Type: apiv2pb.NodeType(rawNode.Type()),
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}
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switch n := rawNode.(type) {
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case *ast.LineBreak:
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node.Node = &apiv2pb.Node_LineBreakNode{}
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case *ast.Paragraph:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_ParagraphNode{ParagraphNode: &apiv2pb.ParagraphNode{Children: children}}
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case *ast.CodeBlock:
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node.Node = &apiv2pb.Node_CodeBlockNode{CodeBlockNode: &apiv2pb.CodeBlockNode{Language: n.Language, Content: n.Content}}
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case *ast.Heading:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_HeadingNode{HeadingNode: &apiv2pb.HeadingNode{Level: int32(n.Level), Children: children}}
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case *ast.HorizontalRule:
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node.Node = &apiv2pb.Node_HorizontalRuleNode{HorizontalRuleNode: &apiv2pb.HorizontalRuleNode{Symbol: n.Symbol}}
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case *ast.Blockquote:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_BlockquoteNode{BlockquoteNode: &apiv2pb.BlockquoteNode{Children: children}}
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case *ast.OrderedList:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_OrderedListNode{OrderedListNode: &apiv2pb.OrderedListNode{Number: n.Number, Indent: int32(n.Indent), Children: children}}
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case *ast.UnorderedList:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_UnorderedListNode{UnorderedListNode: &apiv2pb.UnorderedListNode{Symbol: n.Symbol, Indent: int32(n.Indent), Children: children}}
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case *ast.TaskList:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_TaskListNode{TaskListNode: &apiv2pb.TaskListNode{Symbol: n.Symbol, Indent: int32(n.Indent), Complete: n.Complete, Children: children}}
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case *ast.MathBlock:
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node.Node = &apiv2pb.Node_MathBlockNode{MathBlockNode: &apiv2pb.MathBlockNode{Content: n.Content}}
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case *ast.Table:
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node.Node = &apiv2pb.Node_TableNode{TableNode: convertTableFromASTNode(n)}
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case *ast.Text:
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node.Node = &apiv2pb.Node_TextNode{TextNode: &apiv2pb.TextNode{Content: n.Content}}
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case *ast.Bold:
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children := convertFromASTNodes(n.Children)
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node.Node = &apiv2pb.Node_BoldNode{BoldNode: &apiv2pb.BoldNode{Symbol: n.Symbol, Children: children}}
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case *ast.Italic:
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node.Node = &apiv2pb.Node_ItalicNode{ItalicNode: &apiv2pb.ItalicNode{Symbol: n.Symbol, Content: n.Content}}
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case *ast.BoldItalic:
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node.Node = &apiv2pb.Node_BoldItalicNode{BoldItalicNode: &apiv2pb.BoldItalicNode{Symbol: n.Symbol, Content: n.Content}}
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case *ast.Code:
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node.Node = &apiv2pb.Node_CodeNode{CodeNode: &apiv2pb.CodeNode{Content: n.Content}}
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case *ast.Image:
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node.Node = &apiv2pb.Node_ImageNode{ImageNode: &apiv2pb.ImageNode{AltText: n.AltText, Url: n.URL}}
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case *ast.Link:
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node.Node = &apiv2pb.Node_LinkNode{LinkNode: &apiv2pb.LinkNode{Text: n.Text, Url: n.URL}}
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case *ast.AutoLink:
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node.Node = &apiv2pb.Node_AutoLinkNode{AutoLinkNode: &apiv2pb.AutoLinkNode{Url: n.URL, IsRawText: n.IsRawText}}
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case *ast.Tag:
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node.Node = &apiv2pb.Node_TagNode{TagNode: &apiv2pb.TagNode{Content: n.Content}}
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case *ast.Strikethrough:
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node.Node = &apiv2pb.Node_StrikethroughNode{StrikethroughNode: &apiv2pb.StrikethroughNode{Content: n.Content}}
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case *ast.EscapingCharacter:
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node.Node = &apiv2pb.Node_EscapingCharacterNode{EscapingCharacterNode: &apiv2pb.EscapingCharacterNode{Symbol: n.Symbol}}
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case *ast.Math:
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node.Node = &apiv2pb.Node_MathNode{MathNode: &apiv2pb.MathNode{Content: n.Content}}
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case *ast.Highlight:
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node.Node = &apiv2pb.Node_HighlightNode{HighlightNode: &apiv2pb.HighlightNode{Content: n.Content}}
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default:
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node.Node = &apiv2pb.Node_TextNode{TextNode: &apiv2pb.TextNode{}}
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}
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return node
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}
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func convertToASTNodes(nodes []*apiv2pb.Node) []ast.Node {
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rawNodes := []ast.Node{}
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for _, node := range nodes {
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rawNode := convertToASTNode(node)
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rawNodes = append(rawNodes, rawNode)
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}
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return rawNodes
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}
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func convertToASTNode(node *apiv2pb.Node) ast.Node {
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switch n := node.Node.(type) {
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case *apiv2pb.Node_LineBreakNode:
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return &ast.LineBreak{}
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case *apiv2pb.Node_ParagraphNode:
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children := convertToASTNodes(n.ParagraphNode.Children)
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return &ast.Paragraph{Children: children}
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case *apiv2pb.Node_CodeBlockNode:
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return &ast.CodeBlock{Language: n.CodeBlockNode.Language, Content: n.CodeBlockNode.Content}
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case *apiv2pb.Node_HeadingNode:
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children := convertToASTNodes(n.HeadingNode.Children)
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return &ast.Heading{Level: int(n.HeadingNode.Level), Children: children}
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case *apiv2pb.Node_HorizontalRuleNode:
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return &ast.HorizontalRule{Symbol: n.HorizontalRuleNode.Symbol}
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case *apiv2pb.Node_BlockquoteNode:
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children := convertToASTNodes(n.BlockquoteNode.Children)
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return &ast.Blockquote{Children: children}
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case *apiv2pb.Node_OrderedListNode:
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children := convertToASTNodes(n.OrderedListNode.Children)
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return &ast.OrderedList{Number: n.OrderedListNode.Number, Indent: int(n.OrderedListNode.Indent), Children: children}
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case *apiv2pb.Node_UnorderedListNode:
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children := convertToASTNodes(n.UnorderedListNode.Children)
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return &ast.UnorderedList{Symbol: n.UnorderedListNode.Symbol, Indent: int(n.UnorderedListNode.Indent), Children: children}
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case *apiv2pb.Node_TaskListNode:
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children := convertToASTNodes(n.TaskListNode.Children)
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return &ast.TaskList{Symbol: n.TaskListNode.Symbol, Indent: int(n.TaskListNode.Indent), Complete: n.TaskListNode.Complete, Children: children}
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case *apiv2pb.Node_MathBlockNode:
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return &ast.MathBlock{Content: n.MathBlockNode.Content}
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case *apiv2pb.Node_TableNode:
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return convertTableToASTNode(node)
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case *apiv2pb.Node_TextNode:
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return &ast.Text{Content: n.TextNode.Content}
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case *apiv2pb.Node_BoldNode:
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children := convertToASTNodes(n.BoldNode.Children)
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return &ast.Bold{Symbol: n.BoldNode.Symbol, Children: children}
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case *apiv2pb.Node_ItalicNode:
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return &ast.Italic{Symbol: n.ItalicNode.Symbol, Content: n.ItalicNode.Content}
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case *apiv2pb.Node_BoldItalicNode:
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return &ast.BoldItalic{Symbol: n.BoldItalicNode.Symbol, Content: n.BoldItalicNode.Content}
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case *apiv2pb.Node_CodeNode:
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return &ast.Code{Content: n.CodeNode.Content}
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case *apiv2pb.Node_ImageNode:
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return &ast.Image{AltText: n.ImageNode.AltText, URL: n.ImageNode.Url}
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case *apiv2pb.Node_LinkNode:
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return &ast.Link{Text: n.LinkNode.Text, URL: n.LinkNode.Url}
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case *apiv2pb.Node_AutoLinkNode:
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return &ast.AutoLink{URL: n.AutoLinkNode.Url, IsRawText: n.AutoLinkNode.IsRawText}
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case *apiv2pb.Node_TagNode:
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return &ast.Tag{Content: n.TagNode.Content}
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case *apiv2pb.Node_StrikethroughNode:
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return &ast.Strikethrough{Content: n.StrikethroughNode.Content}
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case *apiv2pb.Node_EscapingCharacterNode:
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return &ast.EscapingCharacter{Symbol: n.EscapingCharacterNode.Symbol}
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case *apiv2pb.Node_MathNode:
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return &ast.Math{Content: n.MathNode.Content}
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case *apiv2pb.Node_HighlightNode:
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return &ast.Highlight{Content: n.HighlightNode.Content}
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default:
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return &ast.Text{}
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}
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}
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func convertTableToASTNode(node *apiv2pb.Node) *ast.Table {
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table := &ast.Table{
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Header: node.GetTableNode().Header,
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Delimiter: node.GetTableNode().Delimiter,
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}
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for _, row := range node.GetTableNode().Rows {
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table.Rows = append(table.Rows, row.Cells)
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}
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return table
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}
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func convertTableFromASTNode(node *ast.Table) *apiv2pb.TableNode {
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table := &apiv2pb.TableNode{
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Header: node.Header,
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Delimiter: node.Delimiter,
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}
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for _, row := range node.Rows {
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table.Rows = append(table.Rows, &apiv2pb.TableNode_Row{Cells: row})
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}
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return table
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}
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func traverseASTNodes(nodes []ast.Node, fn func(ast.Node)) {
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for _, node := range nodes {
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fn(node)
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switch n := node.(type) {
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case *ast.Paragraph:
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traverseASTNodes(n.Children, fn)
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case *ast.Heading:
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traverseASTNodes(n.Children, fn)
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case *ast.Blockquote:
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traverseASTNodes(n.Children, fn)
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case *ast.OrderedList:
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traverseASTNodes(n.Children, fn)
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case *ast.UnorderedList:
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traverseASTNodes(n.Children, fn)
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case *ast.TaskList:
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traverseASTNodes(n.Children, fn)
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case *ast.Bold:
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traverseASTNodes(n.Children, fn)
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}
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}
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}
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