exolve/exolve-player.html at master · eigenfoo-forks/exolve · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<link rel="stylesheet" type="text/css" href="exolve-m.css?v1.07"/>
<script src="exolve-m.js?v1.07"></script>
<script src="exolve-from-ipuz.js?v1.07"></script>
<script src="exolve-from-puz.js?v1.07"></script>

<style>
#exolve-player {
  border: 1px solid black;
  width: 100%;
  box-sizing: border-box;
  padding: 20px 10%;
  margin: 20px 0;
  font-size: 16px;
  font-family: monospace;
  background-image: linear-gradient(45deg, #F0F0F0 25%, transparent 25%), linear-gradient(-45deg, #F0F0F0 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #F0F0F0 75%), linear-gradient(-45deg, transparent 75%, #F0F0F0 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
}
summary {
  text-align: center;
  background: gainsboro;
  padding: 4px;
  border: 1px solid gray;
  cursor: pointer;
  font-size: 70%;
}
pre {
  border: 1px solid gray;
  background: white;
  padding: 4px;
}
</style>

<title>Exolve Player</title>

</head>
<body>

<div id="exolve-frame">
</div>

<div id="exolve-player" ondrop="xlvpDrop(event);" ondragover="xlvpDrag(event);">
  <center>
    <b>
      <span style="font-size:140%">Exolve Player</span>
      <br><br>
      Interactively solve a crossword
      <br><br>
      Drag and drop a crossword file that uses any of these formats: Exolve, ipuz, puz.
      <br><br>
      Or: <input id="xlvp-file" onchange="xlvpOnOpenFile();" type="file"></input>
    </b>
  </center>
  <br>
  <div id="xlvp-links" style="font-size:80%">
    <p><b>Links</b></p>
    <p><a href="https://github.com/viresh-ratnakar/exolve">Exolve (free, open source crossword-solving software used here) on GitHub</a></p>
    <p><a href="https://github.com/viresh-ratnakar/exet">Exet (free, open source crossword-setting software) on GitHub</a></p>
    <p><a href="https://exet.app/">Exet web app: start setting a crossword right away!</a></p>
    <p><a href="https://gussalufz.com/">Cryptic crosswords by Gussalufz</a></p>
  </div>
  <br>
  <div>
    <details>
      <summary>View Exolve-formatted specs for the current crossword</summary>
      <pre id="xlvp-src">
      There isn't a current crossword. Perhaps open one?
      </pre>
    </details>
  </div>
</div>

<script>
xlvpFileName = ''
function xlvpShowExolve(specs) {
  let start = specs.indexOf('exolve-begin')
  let end = specs.indexOf('exolve-end')
  if (start < 0 || end < 0 || start >= end) {
    return false;
  }
  while (start > 0 && specs.charAt(start - 1) == ' ') {
    start--;
  }
  const exolve = specs.substring(start, end) + 'exolve-end';

  document.getElementById('xlvp-src').innerText = exolve;
  document.getElementById('exolve-frame').innerHTML = '';
  for (id in exolvePuzzles) {
    if (isNaN(exolvePuzzles[id])) {
      delete exolvePuzzles[id];
    }
  }
  createExolve(exolve, 'exolve-frame', false)
  return true;
}
function xlvpShowIpuz(specs, id, fname) {
  let start = specs.indexOf('{')
  let end = specs.lastIndexOf('}')
  if (start < 0 || end < 0 || start >= end) {
    return false;
  }
  const ipuzJSON = specs.substring(start, end) + '}';
  try {
    const ipuz = JSON.parse(ipuzJSON);
    const exolve = exolveFromIpuz(ipuz, id, fname);
    if (!exolve) {
      return false;
    }
    return xlvpShowExolve(exolve);
  } catch (err) {
    console.log(err);
  }
  return false;
}
function xlvpShowPuz(buffer, id, fname) {
  const exolve = exolveFromPuz(buffer, id, fname);
  if (!exolve) {
    return false;
  }
  return xlvpShowExolve(exolve);
}
function xlvpId(buffer) {
  const dv = new DataView(buffer);
  let hash = 0;
  for (let i = 0; i < dv.byteLength; i++) {
    let c = dv.getUint8(i);
    hash = ((hash << 5) - hash) + c;
    hash = hash & hash; // Convert to 32bit integer
  }
  return `xlvp-${hash.toString(36)}`
}
function xlvpShow(buffer, fname) {
  let utf8decoder = new TextDecoder();
  specs = utf8decoder.decode(buffer);
  if (xlvpShowExolve(specs)) {
    return;
  }
  let id = xlvpId(buffer);
  if (xlvpShowIpuz(specs, id, fname)) {
    return;
  }
  if (xlvpShowPuz(buffer, id, fname)) {
    return;
  }
  alert('Could not read the crossword file');
}
function xlvpOpenFile(f) {
  let fr = new FileReader();
  fr.onload = function(){
    xlvpShow(fr.result, xlvpFileName);
  }
  xlvpFileName = f.name
  fr.readAsArrayBuffer(f)
}
function xlvpOnOpenFile(ev) {
  let f = document.getElementById('xlvp-file').files[0];
  xlvpOpenFile(f);
}
function xlvpDrop(ev) {
  ev.preventDefault();

  let f = null;
  if (ev.dataTransfer.items && ev.dataTransfer.items.length > 0) {
    f = ev.dataTransfer.items[0].getAsFile();
  } else if (ev.dataTransfer.files.length > 0) {
    f = ev.dataTransfer.files[0];
  }
  if (!f) {
    return;
  }
  xlvpOpenFile(f);
}
function xlvpDrag(ev) {
  ev.preventDefault();
}
</script>
</body>
</html>