1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/smarty/smarty/src/Compile/Modifier/Base.php b/vendor/smarty/smarty/src/Compile/Modifier/Base.php
new file mode 100644
index 000000000..2ae572287
--- /dev/null
+++ b/vendor/smarty/smarty/src/Compile/Modifier/Base.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Smarty\Compile\Modifier;
+
+use Smarty\Exception;
+
+abstract class Base implements ModifierCompilerInterface {
+
+	/**
+	 * Compiles code for the modifier
+	 *
+	 * @param array                                 $params      array with attributes from parser
+	 * @param \Smarty\Compiler\Template $compiler  compiler object
+	 *
+	 * @return string compiled code
+	 * @throws \Smarty\CompilerException
+	 */
+	abstract public function compile($params, \Smarty\Compiler\Template $compiler);
+
+	/**
+	 * evaluate compiler parameter
+	 *
+	 * @param array   $params  parameter array as given to the compiler function
+	 * @param integer $index   array index of the parameter to convert
+	 * @param mixed   $default value to be returned if the parameter is not present
+	 *
+	 * @return mixed evaluated value of parameter or $default
+	 * @throws Exception if parameter is not a literal (but an expression, variable, …)
+	 * @author Rodney Rehm
+	 */
+	protected function literal_compiler_param($params, $index, $default = null)
+	{
+		// not set, go default
+		if (!isset($params[ $index ])) {
+			return $default;
+		}
+		// test if param is a literal
+		if (!preg_match('/^([\'"]?)[a-zA-Z0-9-]+(\\1)$/', $params[ $index ])) {
+			throw new Exception(
+				'$param[' . $index .
+				'] is not a literal and is thus not evaluatable at compile time'
+			);
+		}
+		$t = null;
+		eval("\$t = " . $params[ $index ] . ";");
+		return $t;
+	}
+
+}
+\ No newline at end of file