generate_emoji.php
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generate_emoji.php
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	#!/usr/bin/env php
	<?php

	require_once dirname(dirname(__FILE__)).'/__init_script__.php';

	$args = new PhutilArgumentParser($argv);
	$args->setTagline(pht('regenerate Emoji data sheets'));
	$args->setSynopsis(<<<EOHELP
	emoji
	Rebuild Emoji data sheets.

	EOHELP
	);
	$args->parseStandardArguments();
	$args->parse(
	array(
	array(
	'name' => 'force',
	'help' => pht('Force regeneration even if sources have not changed.'),
	),
	));

	$root = dirname(phutil_get_library_root('phabricator'));
	// move this to an argument?
	$path = $root.'/emoji_strategy.json';
	$export_path = $root.'/resources/emoji/manifest.json';

	if (Filesystem::pathExists($path)) {
	$json = Filesystem::readFile($path);

	$emojis = phutil_json_decode($json);
	$data = array();
	foreach ($emojis as $shortname => $emoji) {
	$unicode = $emoji['unicode'];
	$codes = explode('-', $unicode);
	$hex = '';
	foreach ($codes as $code) {
	$hex .= phutil_utf8_encode_codepoint(hexdec($code));
	}
	$data[$shortname] = $hex;
	}

	ksort($data);
	$json = new PhutilJSON();
	$data = $json->encodeFormatted($data);
	Filesystem::writeFile($export_path, $data);
	echo pht('Done.')."\n";
	} else {
	echo pht('Path %s not exist.', $path)."\n";
	}