Initial commit
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19843f416f
GPG key ID:
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7 changed files with 418 additions and 0 deletions
3
go.mod
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3
go.mod
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module github.com/ejv2/pajen-site
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go 1.21.5
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46
index.css
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46
index.css
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/*
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* index.css - Pajenerator stylesheet
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*/
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body {
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font: 1.2em/1.62 sans-serif;
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margin: 1em auto;
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padding:0 .62em 3.24em;
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}
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header {
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padding-bottom: 15px;
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}
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input[type="text"] {
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padding: 4px;
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min-width: 75%;
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text-align: center;
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margin: 10px;
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font-weight: bold;
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font-size: larger;
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}
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button {
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font-size: large;
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font-weight: bold;
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color: white;
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background-color: rgb(25, 135, 84);
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padding: 6px;
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margin-top: 4px;
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cursor: pointer;
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}
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button[disabled] {
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cursor: not-allowed;
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background-color: gray;
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}
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input.highlight {
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border: solid medium rgb(13, 202, 240);
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}
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.loading {
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cursor: wait !important;
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}
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25
index.gohtml
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25
index.gohtml
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Pajenerator - The Indian Name Generator!</title>
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<link rel="stylesheet" href="/index.css" />
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<script src="/index.js"></script>
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</head>
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<body onload="onready()">
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<center>
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<header>
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<h1>Pajenerator - The Indian Name Generator</h1>
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<hr>
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</header>
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<label for="name-box">Your randomly generated Indian name is:</label>
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<br>
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<input type="text" placeholder="Pajeet" name="name-box" id="name-box" readonly>
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<br>
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<button onclick="generate()" id="btn">Do the needful</button>
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</center>
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</body>
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</html>
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123
index.js
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123
index.js
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/*
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* index.js - Pajenerator client code
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*/
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// State
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var generating = false;
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var names = [];
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var flashcount = 0;
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var flashinterval;
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// Needed elements
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let root;
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let btn;
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let out;
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function onready()
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{
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root = document.querySelector("html")
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btn = document.querySelector("#btn");
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out = document.querySelector("#name-box");
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}
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// Returns the names from the API - as many as are configured.
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function get_names(onget)
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{
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const error_response = ["Errar", "Prablem"];
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const uri = "/api";
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let req = new XMLHttpRequest();
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req.onreadystatechange = function() {
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if (this.readyState == 4) {
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if (this.status != 200) {
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onget(error_response);
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}
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try {
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let arr = JSON.parse(this.responseText)
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onget(arr);
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} catch {
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console.log("bad json: "+this.responseText)
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onget(error_response);
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}
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}
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}
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req.open("GET", uri, true);
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req.send();
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}
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/*
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* 0.2x + 0.2e^(x-27)
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* where:
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* x - nth iteration
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* returns - time in seconds
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*/
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function timeout(i)
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{
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return (0.2*i) + (0.2*Math.exp(i - 27));
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}
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function cleanup_generate()
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{
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// Reset button text (partially)
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btn.textContent = "Do the needful";
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btn.disabled = true;
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// Reset cursor
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root.classList.remove("loading");
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btn.classList.remove("loading");
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out.classList.remove("loading");
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flashinterval = setInterval(() => {
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out.classList.toggle("highlight");
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if (flashcount++ >= 6) {
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flashcount = 0;
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generating = false;
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names = [];
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clearInterval(flashinterval);
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out.classList.remove("highlight");
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btn.disabled = false;
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}
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}, 500)
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}
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function run_generate()
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{
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for (let i = 0; i < names.length; i++) {
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setTimeout(() => {
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out.value = names[i];
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if (i == names.length - 1) {
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cleanup_generate();
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}
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}, 1000*timeout(i));
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}
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}
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function pull_names(arr)
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{
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names = names.concat(arr);
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if (names.length >= 30) {
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run_generate();
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} else {
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get_names(pull_names)
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}
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}
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function generate()
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{
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if (generating)
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return;
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generating = true;
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// Button text
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btn.textContent = "Ok sar...!";
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// Cursors
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root.classList.add("loading");
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btn.classList.add("loading");
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out.classList.add("loading");
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get_names(pull_names);
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}
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79
main.go
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79
main.go
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package main
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import (
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"encoding/json"
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"flag"
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"html/template"
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"log"
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"net/http"
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)
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// Server configs.
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var (
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listenAddr = flag.String("listen", "0.0.0.0:80", "Listen address for server, in the form addr:port")
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scriptPath = flag.String("script", "./pajen.pl", "The relative path to pajen.pl. Must be executable!")
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apiQty = flag.Int("quantity", 5, "The number of names returned at a time from the API")
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)
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var (
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pajen *Pajen
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indexTmpl = template.Must(template.ParseFiles("index.gohtml"))
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)
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func handleRoot(w http.ResponseWriter, r *http.Request) {
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if r.RequestURI != "/" {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 not found"))
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return
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}
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indexTmpl.Execute(w, nil)
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}
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func handleAPI(w http.ResponseWriter, r *http.Request) {
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if r.Method != "GET" || r.RequestURI != "/api" {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte("404 not found"))
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return
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}
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a := make([]string, 0, *apiQty)
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for i := 0; i < *apiQty; i++ {
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a = append(a, <-pajen.Chan)
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}
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b, err := json.Marshal(a)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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b, _ = json.Marshal(map[string]any{
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"status": "Failed",
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"error": err,
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})
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}
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w.Write(b)
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}
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func main() {
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log.Println("Starting pajen.pl frontend - the famous indian name generator")
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flag.Parse()
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p, err := NewPajen(*scriptPath)
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if err != nil {
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log.Fatal(err)
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}
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pajen = p
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http.HandleFunc("/", handleRoot)
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http.HandleFunc("/api", handleAPI)
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http.HandleFunc("/index.css", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.css")
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})
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http.HandleFunc("/index.js", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.js")
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})
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if err := http.ListenAndServe(*listenAddr, nil); err != nil {
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log.Fatalln(err)
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}
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}
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72
pajen.go
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72
pajen.go
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package main
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import (
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"fmt"
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"io"
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"log"
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"os/exec"
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"strings"
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)
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// Pajen represents an instance of the pajen.pl script running in infinite
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// generation mode.
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type Pajen struct {
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Chan chan string
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proc *exec.Cmd
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out io.ReadCloser
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}
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// NewPajen starts the pajen script at the path given.
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func NewPajen(path string) (*Pajen, error) {
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p := new(Pajen)
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p.proc = exec.Command("/usr/bin/perl", path, "-i")
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p.proc.Stdin = p
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pi, err := p.proc.StdoutPipe()
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if err != nil {
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return nil, fmt.Errorf("pajen: pipe pajen.pl: %w", err)
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}
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p.out = pi
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p.proc.Stderr = p.proc.Stdout
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p.Chan = make(chan string)
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if err := p.proc.Start(); err != nil {
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return nil, fmt.Errorf("pajen: start pajen.pl: %w", err)
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}
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go p.run()
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return p, nil
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}
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// Read feeds constant newlines to the program.
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func (r *Pajen) Read(b []byte) (int, error) {
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if len(b) < 1 {
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return 0, nil
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}
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return copy(b, []byte("\n")), nil
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}
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func (r *Pajen) run() {
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buf := make([]byte, 255)
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for {
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_, err := r.out.Read(buf)
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if err != nil {
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log.Println("pajen read error:", err)
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return
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}
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wk := string(buf)
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lines := strings.Split(wk, "\n")
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for _, l := range lines {
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if l != "" && l != "\n" {
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r.Chan <- l
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}
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}
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}
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}
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70
pajen.pl
Executable file
70
pajen.pl
Executable file
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#!/usr/bin/perl
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# Pajeet name generator (pajen.pl)
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# Written by Ethan Marshall - 2024
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# Material from https://desu-usergeneratedcontent.xyz/g/image/1705/80/1705808467048.png
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use strict;
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use diagnostics;
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use warnings;
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use Getopt::Long;
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# Generated names consist of a prefix followed by a suffix
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our @prefixes = (
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"Pa",
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"Ra",
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"Ab",
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"A",
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"Na",
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"Vi",
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"Pra",
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"Ku",
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"Gi",
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"Ha",
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"San",
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"Bel"
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);
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our @suffixes = (
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"jeet",
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"kesh",
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"hul",
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"jeesh",
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"jesh",
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"mit",
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"mit",
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"hesh",
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"raj",
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"nil",
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"jith",
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"tik"
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);
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sub fatal {
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printf("%s\n", $_[0]);
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exit(1);
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}
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sub usage {
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fatal("Usage: pajen [-n count] [-ihu]")
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}
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# Command line options
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my $count = 1;
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my $infinite = '';
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GetOptions(
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'number=i' => \$count,
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"infinite" => \$infinite,
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"help|usage" => sub { usage() }
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) or usage();
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for (my $i = 0; $i < $count || $infinite; $i++) {
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my $prefix = int(rand(@prefixes));
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my $suffix = int(rand(@suffixes));
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printf("%s%s\n", $prefixes[$prefix], $suffixes[$suffix]);
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if ($infinite) {
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(<stdin> eq "q\n") && exit(0);
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}
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}
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