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Magnus Åhall 2025-06-04 10:16:15 +02:00
commit a8c64767e3
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3
go.mod Normal file
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module vimjump
go 1.23.4

105
main.go Normal file
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package main
import (
// Standard
"fmt"
"net/http"
"os"
"os/exec"
"flag"
)
const PORT = 13700
var (
svg string
)
func main() {
var err error
flag.StringVar(&svg, "svg", "", "Path to SVG file")
flag.Parse()
if svg == "" {
fmt.Printf("Specify -svg\n")
os.Exit(1)
}
http.HandleFunc("/", HandleIndex)
http.HandleFunc("/index.svg", HandleIndexSvg)
http.HandleFunc("/jumpto", HandleJumpTo)
addr := fmt.Sprintf("[::]:%d", PORT)
fmt.Printf("Listening on %s\n", addr)
err = http.ListenAndServe(addr, nil)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func HandleIndex(w http.ResponseWriter, r *http.Request) {
page := `<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script type="text/javascript">
window.goto = (event, fname, search) => {
const instance = document.getElementById('instance').value
fetch(`+"`http://localhost:13700/jumpto?instance=${instance}&file=${fname}&search=${search}&split=${event.shiftKey ? 'yes' : 'no'}`"+`)
}
</script>
</head>
<body>
<input type="text" id="instance" value="dev" style="width: 64px">
<div style="margin-top: 8px;">
<embed src="./index.svg" type="image/svg+xml"></embed>
</div>
</body>
</html>
`
w.Write([]byte(page))
}
func HandleIndexSvg(w http.ResponseWriter, r *http.Request) {
content, err := os.ReadFile(svg)
if err != nil {
fmt.Printf("Reading SVG file (%s): %s\n", svg, err)
return
}
w.Header().Add("Content-Type", "image/svg+xml")
w.Write(content)
}
func HandleJumpTo(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Access-Control-Allow-Origin", "*")
instance := "/tmp/"+r.URL.Query().Get("instance")
var cmd string
fname := r.URL.Query().Get("file")
split := r.URL.Query().Get("split")
if split == "yes" {
cmd = fmt.Sprintf(`<ESC>:call CodeSplit("%s")<CR>:set hlsearch<CR>`, fname)
} else {
cmd = fmt.Sprintf(`<ESC>:drop %s<CR>:set hlsearch<CR>`, fname)
}
searchFor := r.URL.Query().Get("search")
if searchFor != "" {
cmd += fmt.Sprintf("/%s<CR>z<CR>", searchFor)
}
fmt.Printf("Remote command: %s\n", cmd)
vim := exec.Command("nvim", "--server", instance, "--remote-send", cmd)
err := vim.Run()
if err != nil {
fmt.Printf("%s\n", err)
w.Write([]byte(err.Error()))
}
w.Write([]byte("OK"))
}