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<?php
namespace kch42\ste;
class STEStandardLibrary
{
public static function _register_lib(STECore $ste): void
{
foreach (get_class_methods(__CLASS__) as $method) {
if ($method[0] != "_") {
$ste->register_tag($method, [__CLASS__, $method]);
}
}
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
*/
public static function escape(STECore $ste, array $params, callable $sub)
{
if ($ste->evalbool(@$params["lines"])) {
return nl2br(htmlspecialchars(str_replace("\r\n", "\n", $sub($ste))));
} else {
return htmlspecialchars($sub($ste));
}
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
*/
public static function strlen(STECore $ste, array $params, callable $sub)
{
return strlen($sub($ste));
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
* @throws RuntimeError
*/
public static function arraylen(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:arraylen>.");
}
$a = $ste->get_var_by_name($params["array"]);
return (is_array($a)) ? count($a) : "";
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @throws RuntimeError
*/
public static function inc(STECore $ste, array $params, callable $sub)
{
if (empty($params["var"])) {
throw new RuntimeError("Missing var parameter in <ste:inc>.");
}
$ref = &$ste->get_var_reference($params["var"], true);
$ref++;
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @throws RuntimeError
*/
public static function dec(STECore $ste, array $params, callable $sub)
{
if (empty($params["var"])) {
throw new RuntimeError("Missing var parameter in <ste:dec>.");
}
$ref = &$ste->get_var_reference($params["var"], true);
$ref--;
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
*/
public static function date(STECore $ste, array $params, callable $sub)
{
return @strftime($sub($ste), empty($params["timestamp"]) ? @time() : (int) $params["timestamp"]);
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
* @throws RuntimeError
*/
public static function in_array(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:in_array>.");
}
$ar = &$ste->get_var_reference($params["array"], false);
if (!is_array($ar)) {
return "";
}
return in_array($sub($ste), $ar) ? "y" : "";
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @return string
* @throws RuntimeError
*/
public static function join(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:join>.");
}
return implode($sub($ste), $ste->get_var_by_name($params["array"]));
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @throws RuntimeError
*/
public static function split(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:split>.");
}
if (empty($params["delim"])) {
throw new RuntimeError("Missing delim parameter in <ste:split>.");
}
$ste->set_var_by_name($params["array"], explode($params["delim"], $sub($ste)));
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @throws RuntimeError
*/
public static function array_add(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:array_add>.");
}
$ar = &$ste->get_var_reference($params["array"], true);
if (empty($params["key"])) {
$ar[] = $sub($ste);
} else {
$ar[$params["key"]] = $sub($ste);
}
}
/**
* @param STECore $ste
* @param array $params
* @param callable $sub
* @throws RuntimeError
*/
public static function array_filter(STECore $ste, array $params, callable $sub)
{
if (empty($params["array"])) {
throw new RuntimeError("Missing array parameter in <ste:array_filter>.");
}
$ar = $ste->get_var_by_name($params["array"]);
if (!is_array($ar)) {
throw new RuntimeError("Variable at 'array' is not an array.");
}
$keys = array_keys($ar);
if (!empty($params["keep_by_keys"])) {
$keep_by_keys = &$ste->get_var_reference($params["keep_by_keys"], false);
if (!is_array($keep_by_keys)) {
throw new RuntimeError("Variable at 'keep_by_keys' is not an array.");
}
$delkeys = array_filter($keys, function ($k) use ($keep_by_keys) {
return !in_array($k, $keep_by_keys);
});
foreach ($delkeys as $dk) {
unset($ar[$dk]);
}
$keys = array_keys($ar);
}
if (!empty($params["keep_by_values"])) {
$keep_by_values = &$ste->get_var_reference($params["keep_by_values"], false);
if (!is_array($keep_by_values)) {
throw new RuntimeError("Variable at 'keep_by_values' is not an array.");
}
$ar = array_filter($ar, function ($v) use ($keep_by_values) {
return in_array($v, $keep_by_values);
});
$keys = array_keys($ar);
}
if (!empty($params["delete_by_keys"])) {
$delete_by_keys = &$ste->get_var_reference($params["delete_by_keys"], false);
if (!is_array($delete_by_keys)) {
throw new RuntimeError("Variable at 'delete_by_keys' is not an array.");
}
$delkeys = array_filter($keys, function ($k) use ($delete_by_keys) {
return in_array($k, $delete_by_keys);
});
foreach ($delkeys as $dk) {
unset($ar[$dk]);
}
$keys = array_keys($ar);
}
if (!empty($params["delete_by_values"])) {
$delete_by_values = &$ste->get_var_reference($params["delete_by_values"], false);
if (!is_array($delete_by_values)) {
throw new RuntimeError("Variable at 'delete_by_values' is not an array.");
}
$ar = array_filter($ar, function ($v) use ($delete_by_values) {
return !in_array($v, $delete_by_values);
});
$keys = array_keys($ar);
}
$ste->set_var_by_name($params["array"], $ar);
}
}
|
