friendica/view/theme/frio/php/scheme.php

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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
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* Get info header of the scheme
*
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* This function parses the header of the schemename.php file for informations like
* Author, Description and Overwrites. Most of the code comes from the Addon::getInfo()
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* function. We use this to get the variables which get overwritten through the scheme.
* All color variables which get overwritten through the theme have to be
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* listed (comma separated) in the scheme header under Overwrites:
* This seems not to be the best solution. We need to investigate further.
*
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* @param string $scheme Name of the scheme
* @return array With theme information
* 'author' => Author Name
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* 'description' => Scheme description
* 'version' => Scheme version
* 'overwrites' => Variables which overwriting custom settings
*/
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use Friendica\DI;
use Friendica\Util\Strings;
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function get_scheme_info($scheme)
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{
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$theme = DI::app()->getCurrentTheme();
$themepath = 'view/theme/' . $theme . '/';
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if (empty($scheme)) {
$scheme = DI::pConfig()->get(local_user(), 'frio', 'scheme', DI::pConfig()->get(local_user(), 'frio', 'schema'));
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}
$scheme = Strings::sanitizeFilePathItem($scheme);
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$info = [
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'name' => $scheme,
'description' => '',
'author' => [],
'version' => '',
'overwrites' => [],
'accented' => false,
];
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if (!is_file($themepath . 'scheme/' . $scheme . '.php')) return $info;
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$f = file_get_contents($themepath . 'scheme/' . $scheme . '.php');
$r = preg_match('|/\*.*\*/|msU', $f, $m);
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if ($r) {
$ll = explode("\n", $m[0]);
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foreach ($ll as $l) {
$l = trim($l, "\t\n\r */");
if ($l != '') {
$values = array_map('trim', explode(':', $l, 2));
if (count($values) < 2) {
continue;
}
list($k, $v) = $values;
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$k = strtolower($k);
if ($k == 'author') {
$r = preg_match('|([^<]+)<([^>]+)>|', $v, $m);
if ($r) {
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$info['author'][] = ['name' => $m[1], 'link' => $m[2]];
} else {
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$info['author'][] = ['name' => $v];
}
} elseif ($k == 'overwrites') {
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$theme_settings = explode(',', str_replace(' ', '', $v));
foreach ($theme_settings as $key => $value) {
$info['overwrites'][$value] = true;
}
} elseif ($k == 'accented') {
$info['accented'] = $v && $v != 'false' && $v != 'no';
} else {
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if (array_key_exists($k, $info)) {
$info[$k] = $v;
}
}
}
}
}
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return $info;
}