/**
* @param string $path
* @return string
* @throws RouterException
*/
private function resolvePath(string $path) : string
{
// Filter path
$pathKey = $this->filterPath($path);
// Check in predefined routes
foreach ($this->routes as $route => $controller) {
if (preg_match(sprintf("~^%s\$~", $route), $pathKey)) {
// Match found
return $controller;
}
}
// Make sure default controllers base directory path is set
if (!$this->controllersPath) {
throw RouterException::controllersPathNull();
}
// Dynamically convert path to class name
$pathIndex = -1;
$controllerClass = array_map(function ($piece) use(&$pathIndex) : string {
$pathIndex++;
if ($piece && !in_array($pathIndex, $this->ignorePathIndexes)) {
return \Comely::pascalCase($piece);
}
return "";
}, explode("/", trim(Strings::filter(strtolower($path), "an", false, "/_"), "/")));
$controllerClass = trim(implode("\\", $controllerClass), "\\");
$controllerClass = preg_replace("/\\\\{2,}/", "\\", $controllerClass);
// Join PascalCased class name with default namespace preset
$controllerClass = $this->controllersNamespace . $controllerClass;
// Return name of class
return $controllerClass;
}
/**
* Resolves a variable and applies modifiers
* @param string $input
* @return string
*/
private function resolveVariable(string $input) : string
{
// Split
$modifiers = explode("|", trim($input));
$var = $modifiers[0];
unset($modifiers[0]);
// Resolve var
if (!preg_match('/^\\$[a-z\\_][a-z0-9\\_\\.]+$/i', $var)) {
$this->throwException('Bad variable syntax');
}
// Explode var into pieces (Array)
$pieces = explode(".", $var);
$var = $pieces[0];
unset($pieces[0]);
// Check if its reserved variable (i.e. being used by foreach/count clause)
if (!$this->reserved->has($var)) {
// Load from assigned data
$var = sprintf('$this->data["%s"]', strtolower(substr($var, 1)));
}
// Assemble pieces array style
foreach ($pieces as $piece) {
$var .= sprintf('["%s"]', $piece);
}
// Apply modifiers
foreach ($modifiers as $modifier) {
preg_match_all("~'[^']++'|\\([^)]++\\)|[^:]++~", $modifier, $modifier);
$modifier = $modifier[0];
$opts = $modifier;
unset($opts[0]);
$modifier = $modifier[0];
// Check modifier args
$opts = array_values($opts);
$optsCount = count($opts);
for ($i = 0; $i < $optsCount; $i++) {
if (preg_match('/^\\$[a-z\\_][a-z0-9\\_\\.]+$/i', $opts[$i])) {
// Variable
$opts[$i] = $this->resolveVariable($opts[$i]);
} elseif (preg_match('/^[0-9][\\.0-9]*$/', $opts[$i])) {
// Integer or float
$cast = strpos($opts[$i], ".") ? "floatval" : "intval";
$opts[$i] = call_user_func($cast, $opts[$i]);
} elseif (in_array(strtolower($opts[$i]), ["true", "false"])) {
// Boolean
$opts[$i] = boolval($opts[$i]);
} elseif (strtolower($opts[$i]) === "null") {
// NULL
$opts[$i] = null;
} else {
// String
$opts[$i] = str_replace(["'", '""'], "", $opts[$i]);
// Remove quotes
}
}
try {
$modifierInstance = $this->modifiers->pull($modifier, function ($repo, $key) {
// Modifier not instantiated yet
$modifierClass = sprintf('Comely\\Knit\\Modifiers\\%s', \Comely::pascalCase($key));
if (!class_exists($modifierClass)) {
$this->throwException(sprintf("Modifier '%s' not found", $key));
}
$modifier = new $modifierClass();
$repo->push($modifier, $key);
return $modifier;
});
$var = call_user_func_array([$modifierInstance, "apply"], [$var, $opts]);
} catch (\Throwable $e) {
$this->throwException(sprintf("Modifier '%s' %s", $modifier, $e->getMessage()));
}
}
return $var;
}
