web-base/core/core.php

98 lines
2.5 KiB
PHP

<?php
define("WEBBASE_VERSION", "0.1.0-alpha");
function getSubclassesOf($parent) {
$result = array();
foreach (get_declared_classes() as $class) {
if (is_subclass_of($class, $parent))
$result[] = $class;
}
return $result;
}
function getProtocol() {
return stripos($_SERVER['SERVER_PROTOCOL'],'https') === 0 ? 'https' : 'http';
}
function generateRandomString($length) : string {
$randomString = '';
if($length > 0) {
$numCharacters = 26 + 26 + 10; // a-z + A-Z + 0-9
for ($i = 0; $i < $length; $i++)
{
try {
$num = random_int(0, $numCharacters - 1);
} catch (Exception $e) {
$num = rand(0, $numCharacters - 1);
}
if($num < 26) $randomString .= chr(ord('a') + $num);
else if($num - 26 < 26) $randomString .= chr(ord('A') + $num - 26);
else $randomString .= chr(ord('0') + $num - 26 - 26);
}
}
return $randomString;
}
function startsWith($haystack, $needle) {
$length = strlen($needle);
return (substr($haystack, 0, $length) === $needle);
}
function endsWith($haystack, $needle) {
$length = strlen($needle);
if ($length == 0)
return true;
return (substr($haystack, -$length) === $needle);
}
function intendCode($code, $escape=true) {
$newCode = "";
$first = true;
$brackets = array();
$intend = 0;
foreach(explode("\n", $code) as $line) {
if(!$first) $newCode .= "\n";
if($escape) $line = htmlspecialchars($line);
$line = trim($line);
if(count($brackets) > 0 && startsWith($line, current($brackets))) {
$intend = max(0, $intend - 2);
array_pop($brackets);
}
$newCode .= str_repeat(" ", $intend);
$newCode .= $line;
$first = false;
if(endsWith($line, "{")) {
$intend += 2;
array_push($brackets, "}");
} else if(endsWith($line, "(")) {
$intend += 2;
array_push($brackets, ")");
}
}
return $newCode;
}
function replaceCssSelector($sel) {
return preg_replace("~[.#<>]~", "_", preg_replace("~[:\-]~", "", $sel));
}
function getClassPath($class, $suffix=true) {
$path = str_replace('\\', '/', $class);
if (startsWith($path, "/")) $path = substr($path, 1);
$suffix = ($suffix ? ".class" : "");
return "core/$path$suffix.php";
}
function createError($msg) {
return json_encode(array("success" => false, "msg" => $msg));
}