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hexy.html
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hexy.html
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<!doctype html>
<html>
<head>
<style>
html, body {
height: 100%;
margin: 0;
overflow: hidden;
font-family: sans-serif;
font-weight: 300;
font-size: small;
line-height: 1.4;
}
header, section, footer {
display: flex;
justify-content: center;
}
header, footer {
background-color: #404040;
color: #d0d0d0;
width: 100%;
}
header {
flex: 0 1 auto;
}
footer {
position: fixed;
bottom: 0px;
justify-content: right;
}
section {
flex: 1 1 auto;
}
textarea {
display: block;
margin: 0;
font-family: monospace;
}
</style>
<script src="hexy.js"></script>
<script src="test/testcases.js"></script>
<script type="text/javascript">
var current_file = null;
function readFile() {
current_file = event.target.files[0];
hexdata = document.querySelector(".hexdata");
update();
}
function update() {
const fmt = {
numbering: document.getElementById('address').checked ? 'hex_bytes' : 'none',
format: document.querySelector('input[name="format"]:checked').value,
littleEndian: document.querySelector('input[name="littleEndian"]:checked').value === 'true',
radix: parseInt(document.querySelector('input[name="radix"]:checked').value),
caps: document.getElementById('caps').checked ? 'upper' : 'lower',
html: document.getElementById('html').checked,
extendedChs: document.getElementById('extendedChs').checked,
};
console.log(fmt);
const reader = new FileReader();
reader.onload = function() {
const data = reader.result;
const array = new Uint8Array(data);
hexdata.rows = (array.length + 15) / 16;
hexdata.value = hexy(array, fmt);
};
reader.readAsArrayBuffer(current_file);
}
function pageResized() {
const header = document.getElementsByTagName('header')[0];
const footer = document.getElementsByTagName('footer')[0];
const section = document.getElementsByTagName('section')[0];
section.style.height = (window.innerHeight - header.offsetHeight - footer.offsetHeight) + "px";
}
function pageLoaded() {
pageResized();
const inputs = document.getElementsByTagName('input');
for (var ii = 0; ii < inputs.length; ii++) {
inputs[ii].addEventListener("change", update);
}
}
</script>
</head>
<body onload='pageLoaded();' onresize='pageResized();'>
<header>
<fieldset class='box'>
<legend>file to view</legend>
<div class='filetoview'>
<input type='file' id='binary' name='binary' onchange='readFile();'>
</div>
</fieldset>
<fieldset class='box'>
<legend>bytes in group</legend>
<div class='bytesingroup'>
<input type='radio' id='twos' name='format' value='twos' checked>
<label for='twos'>1</label><br>
<input type='radio' id='fours' name='format' value='fours'>
<label for='fours'>2</label><br>
<input type='radio' id='eights' name='format' value='eights'>
<label for='eights'>4</label><br>
<input type='radio' id='sixteens' name='format' value='sixteens'>
<label for='sixteens'>8</label><br>
</div>
</fieldset>
<fieldset class='box'>
<legend>endianness</legend>
<div class='endinanness'>
<input type='radio' id='LE' name='littleEndian' value='true' checked>
<label for='true'>LE</label><br>
<input type='radio' id='BE' name='littleEndian' value='false'>
<label for='false'>BE</label>
</div>
</fieldset>
<fieldset class='box'>
<legend>radix</legend>
<div class='radix'>
<input type='radio' id='bin' name='radix' value='2'>
<label for='bin'>2 (BIN)</label><br>
<input type='radio' id='oct' name='radix' value='8'>
<label for='oct'>8 (OCT)</label><br>
<input type='radio' id='dec' name='radix' value='10'>
<label for='dec'>10 (DEC)</label><br>
<input type='radio' id='hex' name='radix' value='16' checked>
<label for='hex'>16 (HEX)</label><br>
</div>
</fieldset>
<fieldset class='box'>
<legend>misc</legend>
<div class='radix'>
<input type='checkbox' id='address' checked>
<label for='address'>address</label><br>
<input type='checkbox' id='caps'>
<label for='caps'>caps</label><br>
<input type='checkbox' id='html'>
<label for='html'>html</label><br>
<input type='checkbox' id='extendedChs'>
<label for='extendedChs'>show extended chars</label><br>
</div>
</fieldset>
</header>
<section>
<textarea cols='80' class='hexdata' spellcheck='false'></textarea>
</section>
<footer>
uses hexy.js library from <a href='https://github.com/a2800276/hexy.js'>https://github.com/a2800276/hexy.js</a>
</footer>
</body>
</html>