feat: implement code block parser (#1727)

plugin/gomark/parser/code_test.go

@@ -0,0 +1,36 @@
+package parser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
+)
+
+func TestCodeParser(t *testing.T) {
+	tests := []struct {
+		text string
+		code *CodeParser
+	}{
+		{
+			text: "`Hello world!",
+			code: nil,
+		},
+		{
+			text: "`Hello world!`",
+			code: &CodeParser{
+				Content: "Hello world!",
+			},
+		},
+		{
+			text: "`Hello \nworld!`",
+			code: nil,
+		},
+	}
+
+	for _, test := range tests {
+		tokens := tokenizer.Tokenize(test.text)
+		code := NewCodeParser()
+		require.Equal(t, test.code, code.Match(tokens))
+	}
+}