initial commit

cmd/mdut/root.go

@@ -0,0 +1,46 @@
+package mdut
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"gitea.tyrel.dev/tyrel/go-mdut/pkg/mdut"
+	"github.com/atotto/clipboard"
+	"github.com/spf13/cobra"
+)
+
+var (
+	selectedStyle string
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "mdut",
+	Short: "mdut - Make a markdown url from the terminal",
+	Long:  "mdut - Make a markdown url from the terminal",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		for _, arg := range args {
+			if bytes.HasPrefix([]byte(arg), []byte("http")) {
+				out, err := mdut.MakeLink(arg, selectedStyle)
+				if err != nil {
+					return err
+				}
+				fmt.Println("Copied to clipboard:")
+				fmt.Println(out)
+				clipboard.WriteAll(out)
+			}
+		}
+		return nil
+	},
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error executing mdut. '%s'", err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	rootCmd.PersistentFlags().StringVarP(&selectedStyle, "style", "s", "", "style of link {inline, slack, reference}")
+}

go.mod

@@ -0,0 +1,11 @@
+module gitea.tyrel.dev/tyrel/go-mdut
+
+go 1.19
+
+require (
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/spf13/cobra v1.7.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/net v0.10.0 // indirect
+)

go.sum

@@ -0,0 +1,57 @@
+github.com/PuerkitoBio/goquery v1.8.1 h1:uQxhNlArOIdbrH1tr0UXwdVFgDcZDrZVdcpygAcwmWM=
+github.com/PuerkitoBio/goquery v1.8.1/go.mod h1:Q8ICL1kNUJ2sXGoAhPGUdYDJvgQgHzJsnnd3H7Ho5jQ=
+github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
+github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
+github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
+github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
+github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
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main.go

@@ -0,0 +1,7 @@
+package main
+
+import "gitea.tyrel.dev/tyrel/go-mdut/cmd/mdut"
+
+func main() {
+	mdut.Execute()
+}

pkg/mdut/inline.go

@@ -0,0 +1,16 @@
+package mdut
+
+import "fmt"
+
+const InlineTemplate = `[TODO](%s "%s")`
+
+func Inline(url string) (string, error) {
+	var mdLink string
+	var title string
+	title, err := GetTitle(url)
+	if err != nil {
+		return "", err
+	}
+	mdLink = fmt.Sprintf(InlineTemplate, url, title)
+	return mdLink, nil
+}

pkg/mdut/mdut.go

@@ -0,0 +1,30 @@
+package mdut
+
+const (
+	StyleSlack     string = "slack" // Default
+	StyleInline           = "inline"
+	StyleReference        = "reference"
+)
+
+func parseStyle(style string) string {
+	if style == "slack" {
+		return StyleSlack
+	} else if style == "inline" {
+		return StyleInline
+	} else if style == "reference" {
+		return StyleReference
+	}
+
+	return StyleSlack
+
+}
+
+func MakeLink(url string, selectedStyle string) (string, error) {
+	if selectedStyle == StyleInline {
+		return Inline(url)
+	}
+	if selectedStyle == StyleReference {
+		return Reference(url)
+	}
+	return Slack(url)
+}

pkg/mdut/reference.go

@@ -0,0 +1,16 @@
+package mdut
+
+import "fmt"
+
+const ReferenceTemplate = "[TODO]: %s %s"
+
+func Reference(url string) (string, error) {
+	var mdLink string
+	var title string
+	title, err := GetTitle(url)
+	if err != nil {
+		return "", err
+	}
+	mdLink = fmt.Sprintf(ReferenceTemplate, url, title)
+	return mdLink, nil
+}

pkg/mdut/slack.go

@@ -0,0 +1,11 @@
+package mdut
+
+import "fmt"
+
+const SlackTemplate = "[TODO](%s)"
+
+func Slack(url string) (string, error) {
+	var mdLink string
+	mdLink = fmt.Sprintf(SlackTemplate, url)
+	return mdLink, nil
+}

pkg/mdut/title.go

@@ -0,0 +1,55 @@
+package mdut
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"golang.org/x/net/html"
+)
+
+/* https://siongui.github.io/2016/05/10/go-get-html-title-via-net-html/ */
+func isTitleElement(n *html.Node) bool {
+	return n.Type == html.ElementNode && n.Data == "title"
+}
+
+func traverse(n *html.Node) (string, bool) {
+	if isTitleElement(n) {
+		return n.FirstChild.Data, true
+	}
+
+	for c := n.FirstChild; c != nil; c = c.NextSibling {
+		result, ok := traverse(c)
+		if ok {
+			return result, ok
+		}
+	}
+
+	return "", false
+}
+
+func getHtmlTitle(r io.Reader) string {
+	doc, err := html.Parse(r)
+	if err != nil {
+		panic("Fail to parse html")
+	}
+
+	title, _ := traverse(doc)
+	return title
+}
+
+/* Done From https://siongui.github.io/2016/05/10/go-get-html-title-via-net-html/ */
+func GetTitle(url string) (string, error) {
+	res, err := http.Get(url)
+	if err != nil {
+		return "", err
+	}
+
+	defer res.Body.Close()
+	if res.StatusCode != 200 {
+		return "", fmt.Errorf("status code error: %d %s", res.StatusCode, res.Status)
+	}
+	title := getHtmlTitle(res.Body)
+	return title, nil
+
+}