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authordemo <demo@antix1>2026-05-08 10:19:23 -0400
committerdemo <demo@antix1>2026-05-08 10:19:23 -0400
commit8a3554d4f32d631bd1c7cc6254ab11b14b541c67 (patch)
treedc42a61ab56acf62542b3f2565ac23e557f88f28 /main.go
parent6aa92cede4f4c70333293cfdac00d9d08db66636 (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.go86
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
-}