100 lines
3.3 KiB
HTML
100 lines
3.3 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html>
|
||
|
|
|
||
|
|
<head>
|
||
|
|
<!-- This should only be needed once in a rare while to convert data scraped from the Government of Canada website -->
|
||
|
|
<script src="raw-scraped-data.js"></script>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body>
|
||
|
|
<button id="download-button">Download</button>
|
||
|
|
<script>
|
||
|
|
|
||
|
|
let converted = [];
|
||
|
|
|
||
|
|
let min_freq = 9999999;
|
||
|
|
let max_freq = 0;
|
||
|
|
|
||
|
|
scrape_table(t1, 1);
|
||
|
|
scrape_table(t2, 1000);
|
||
|
|
scrape_table(t3, 1000000);
|
||
|
|
|
||
|
|
console.log(max_freq + "kHz");
|
||
|
|
console.log(max_freq / 1000 + "MHz");
|
||
|
|
console.log(max_freq / 1000000 + "GHz");
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
const downloadButton = document.getElementById('download-button');
|
||
|
|
downloadButton.addEventListener('click', function () {
|
||
|
|
// Example data: create a Blob from a string
|
||
|
|
const textContent = JSON.stringify(converted);
|
||
|
|
const blob = new Blob([textContent], { type: 'application/json' });
|
||
|
|
|
||
|
|
// 3. Create a temporary anchor (<a>) element
|
||
|
|
const link = document.createElement('a');
|
||
|
|
|
||
|
|
// 4. Generate a temporary URL for the blob
|
||
|
|
const url = URL.createObjectURL(blob);
|
||
|
|
|
||
|
|
// 5. Set the anchor's attributes for download
|
||
|
|
link.href = url;
|
||
|
|
link.download = 'data.json'; // Specify the default filename
|
||
|
|
link.style.display = 'none'; // Hide the element
|
||
|
|
|
||
|
|
// 6. Append the link to the document body, click it, and remove it
|
||
|
|
document.body.appendChild(link);
|
||
|
|
link.click(); // Programmatically trigger the download
|
||
|
|
|
||
|
|
// 7. Clean up by revoking the object URL and removing the link
|
||
|
|
document.body.removeChild(link);
|
||
|
|
URL.revokeObjectURL(url); // Free up memory
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
function scrape_table(tbl, freq_mult) {
|
||
|
|
for (let entry of tbl) {
|
||
|
|
let conv_entry = {};
|
||
|
|
|
||
|
|
let freqs = entry.f.split(" - ");
|
||
|
|
let low_freq = parseFloat(freqs[0].replaceAll(' ', '')) * freq_mult;
|
||
|
|
let hi_freq = parseFloat(freqs[1].replaceAll(' ', '')) * freq_mult;
|
||
|
|
|
||
|
|
min_freq = Math.min(min_freq, low_freq);
|
||
|
|
max_freq = Math.max(max_freq, hi_freq);
|
||
|
|
|
||
|
|
conv_entry.minf = low_freq;
|
||
|
|
conv_entry.maxf = hi_freq;
|
||
|
|
|
||
|
|
let regexp = /primary service\s(?<service>.+?)\send primary service/gm;
|
||
|
|
|
||
|
|
// TODO: secondary services are listed after the primary in non-caps,
|
||
|
|
// are not surrounded by delimiters like primary service
|
||
|
|
// seems a bit more annoying to match
|
||
|
|
let result;
|
||
|
|
|
||
|
|
let service_cats = {};
|
||
|
|
let services = [];
|
||
|
|
|
||
|
|
// execute the regexp multiple times until we exhaust it,
|
||
|
|
// creating a new service find each time
|
||
|
|
while ((result = regexp.exec(entry.d)) != null) {
|
||
|
|
let service_name = result.groups["service"].replaceAll(' ', '_');
|
||
|
|
|
||
|
|
if (service_cats[service_name] == null) {
|
||
|
|
service_cats[service_name] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
service_cats[service_name]++;
|
||
|
|
services.push(result.groups["service"]);
|
||
|
|
}
|
||
|
|
|
||
|
|
conv_entry.primary = services;
|
||
|
|
|
||
|
|
converted.push(conv_entry);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|