0) {
$filename .= '?' . http_build_query($params);
}
$cache_path = SHIELDS_CACHE_DIR.urlencode($filename);
if (file_exists($cache_path)) {
return file_get_contents($cache_path);
} else {
$retn = file_get_contents('https://img.shields.io/badge/'.$filename);
// We need unique IDs
$prefix = substr(sha1($filename), 8).'-';
$retn = str_replace('id="', 'id="'.$prefix, $retn);
$retn = str_replace('url(#', 'url(#'.$prefix, $retn);
file_put_contents($cache_path, $retn);
return $retn;
}
}
/**
* Create a thumbnail of an image. It overscales, centers, and crops to fit the
* target dimensions.
*
* @param string $src_file
* @param string $dest_file Null to return an image handle
* @param int $width
* @param int $height
* @return boolean
*/
function mkthumbnail($src_file, $dest_file, $width, $height) {
list($src_width, $src_height) = getimagesize($src_file);
$im = imagecreatefromstring(file_get_contents($src_file));
$dest = imagecreatetruecolor($width, $height);
imagefilledrectangle($dest, 0, 0, $width, $height, imagecolorallocate($dest, 0xFF, 0xFF, 0xFF));
$scale = max( $width/$src_width, $height/$src_height ); // overscale + crop
$box_w = $width/$scale;
$box_h = $height/$scale;
$box_xoff = floor(($src_width - $box_w)/2);
$box_yoff = floor(($src_height - $box_h)/2);
imagecopyresampled(
$dest, $im,
0, 0,
$box_xoff, $box_yoff,
$width, $height, $box_w, $box_h
);
imagedestroy($im);
if (is_null($dest_file)) {
return $dest;
} else {
return imagejpeg($dest, $dest_file);
}
}
function mkspritesheet(array $handles, $dest_file, $width, $height) {
$im = imagecreatetruecolor($width, $height * count($handles));
for($i = 0, $e = count($handles); $i != $e; ++$i) {
imagecopy($im, $handles[$i], 0, $i * $height, 0, 0, $width, $height);
}
if (is_null($dest_file)) {
return $dest_file;
} else {
return imagejpeg($im, $dest_file);
}
}
function fbytes($size, $suffixes='B|KiB|MiB|GiB|TiB') {
$sxlist = explode('|', $suffixes);
if ($size < 1024) {
return $size.$sxlist[0];
}
while ($size > 1024 && count($sxlist) >= 2) {
array_shift($sxlist);
$size /= 1024;
}
return number_format($size, 2).' '.array_shift($sxlist);
}
function str_ext($sz) {
$dpos = strrpos($sz, '.');
return substr($sz, $dpos+1);
}
function is_image($sz) {
return in_array(strtolower(str_ext($sz)), ['jpg', 'png', 'jpeg']);
}
function hesc($sz) {
return @htmlentities($sz, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
}
function mkdir_all($path) {
$epath = escapeshellarg($path);
`mkdir -p ${epath}`;
}
function text2html($sz) {
$identity = function($sz) {
return $sz;
};
$splitInside = function($begin, $end, $sz) {
$parts = explode($begin, $sz);
if (count($parts) == 1) return [$sz];
$ret = [$parts[0]];
for($i = 1, $e = count($parts); $i !== $e; ++$i) {
$inner = explode($end, $parts[$i], 2);
$ret = array_merge($ret, $inner);
}
return $ret;
};
$oddEven = function(array $parts, $odd, $even, $join='') {
$ret = [];
for($i = 0, $e = count($parts); $i != $e; ++$i) {
$ret[] = ($i % 2) ? $odd($parts[$i]) : $even($parts[$i]);
}
return implode($join, $ret);
};
$sectionFmt = function($sz) use($oddEven, $identity) {
$base = hesc($sz);
$base = preg_replace('~^=+(.+)=+~m', '\\1', $base);
$base = preg_replace('~\\[url=([^\\]]+?)\\](.+?)\\[/url\\]~m', '\\2', $base);
$base = preg_replace('~\\[([^\\]]+?)\\]\\((https?://.+?)\\)~m', '\\1', $base); // Support markdown-style URLs
$base = preg_replace('~([^="])(https?://[^ \\r\\n\\t]+)~i', '\\1\\2', $base); // Support standalone URLs
$base = preg_replace('~\\[b\\](.+?)\\[/b\\]~m', '\\1', $base);
$base = preg_replace('~\\[i\\](.+?)\\[/i\\]~m', '\\1', $base);
$base = preg_replace('~\\[spoiler\\](.+?)\\[/spoiler\\]~m', '\\1', $base);
$base = preg_replace('~\n- ~ms', "\n• ", $base);
$base = preg_replace('~^```.+$~m', '`', $base); // Convert ```html to single `{}` element
// TODO support markdown tables
$btparts = explode('`', $base);
if (count($btparts) > 1 && (count($btparts) % 2)) {
for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
$class = 'code';
if (strpos($btparts[$i], "\n") !== false) {
$class .= ' code-multiline';
}
$btparts[$i] = ''.ltrim($btparts[$i], "\n").'';
}
}
return $oddEven($btparts, $identity, 'nl2br');
};
$htmlSections = $splitInside('', '', $sz);
return $oddEven($htmlSections, $identity, $sectionFmt);
}
function array_decimate($array, $total, $partno) {
$ct = 0;
$ret = [];
foreach($array as $k => $v) {
if (++$ct % $total == ($partno - 1)) {
$ret[$k] = $v;
}
}
return $ret;
}