diff options
| author | demo <demo@antix1> | 2026-05-08 10:19:23 -0400 |
|---|---|---|
| committer | demo <demo@antix1> | 2026-05-08 10:19:23 -0400 |
| commit | 8a3554d4f32d631bd1c7cc6254ab11b14b541c67 (patch) | |
| tree | dc42a61ab56acf62542b3f2565ac23e557f88f28 /main.go | |
| parent | 6aa92cede4f4c70333293cfdac00d9d08db66636 (diff) | |
feat: separate into remote and local commands
I'd like to be able to read HTML locally as well.
Diffstat (limited to 'main.go')
| -rw-r--r-- | main.go | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/main.go b/main.go deleted file mode 100644 index 5286e63..0000000 --- a/main.go +++ /dev/null @@ -1,86 +0,0 @@ -package main - -import ( - "flag" - "fmt" - "io" - "log" - "net/http" - "time" - - "golang.org/x/net/html" - "golang.org/x/net/html/atom" -) - -type Link struct { - Href string - Text string -} - -func main() { - // Logging configuration. - log.SetFlags(log.LstdFlags | log.Lshortfile) - - // CLI flag configuration. - rawURL := flag.String("url", "", "Web address of target HTML") - timeoutSecs := flag.Int("timeout", 2, "Number of seconds after which to time out") - flag.Parse() - - if *rawURL == "" { - log.Fatal("Missing -url") - } - - // Configure the request. - timeout := time.Duration(*timeoutSecs) * time.Second - client := http.Client{ - Timeout: timeout, - } - - req, err := http.NewRequest(http.MethodGet, *rawURL, nil) - if err != nil { - log.Fatal(err) - } - - // Perform the request. - resp, err := client.Do(req) - if err != nil { - log.Fatal(err) - } - defer resp.Body.Close() - - links, err := findLinks(resp.Body) - if err != nil { - log.Fatal(err) - } - - fmt.Println(links) -} - -// findLinks consumes the given [io.Reader], scraping it of anchor -// tags. Each anchor tag is "unmarshalled" into a [Link]. The -// resulting slice of Links is returned, along with an error. -func findLinks(r io.Reader) ([]Link, error) { - doc, err := html.Parse(r) - if err != nil { - return nil, fmt.Errorf("can't parse html reader: %w", err) - } - - var links []Link - for n := range doc.Descendants() { - if n.Type == html.ElementNode && n.DataAtom == atom.A { - var link Link - - // Scan the href. - for _, a := range n.Attr { - if a.Key == "href" { - link.Href = a.Val - } - } - - // FIXME: for now, only scan for hrefs. - links = append(links, link) - } - } - - return links, nil -} |
