}), "ESCAPED_BACKSLASH" => new StringParser("\\\\", function ($string) { return substr($string, 1, 1); }), "ESCAPED_SLASH" => new StringParser("\\/", function ($string) { return substr($string, 1, 1); }), "ESCAPED_B" => new StringParser("\\b", function ($string) { return ""; }), "ESCAPED_F" => new StringParser("\\f", function ($string) { return "\f"; }), "ESCAPED_N" => new StringParser("\\n", function ($string) { return "\n"; }), "ESCAPED_R" => new StringParser("\\r", function ($string) { return "\r"; }), "ESCAPED_T" => new StringParser("\\t", function ($string) { return "\t"; }), "ESCAPED_UTF8" => new RegexParser("#^\\\\u[0-9a-fA-F]{4}#", function ($match) { return Utf8Parser::getBytes(hexdec(substr($match, 2, 4))); }))); // if executing this file directly, run unit tests if (__FILE__ !== $_SERVER["SCRIPT_FILENAME"]) { return; } $start = microtime(true); $parseTree = $jsonGrammar->parse(" { \"string\" : true, \"\\\"\" : false, \"\\u9874asdh\" : [ null, { }, -9488.44E+093 ] } "); print "Parsing completed in " . (microtime(true) - $start) . " seconds\n"; var_dump(true); // for successful parsing // print_r($parseTree); var_dump(count($parseTree) === 3); var_dump($parseTree["string"] === true); var_dump($parseTree["\""] === false); var_dump($parseTree["顴asdh"] === array(null, array(), -9.488439999999999E+96));
var_dump(Utf8Parser::getBytes(0x10000) === "𐀀"); # 4-byte character var_dump(Utf8Parser::getBytes(0x20000) === "𠀀"); # 4-byte character var_dump(Utf8Parser::getBytes(0x4b042) === ""); # 4-byte character "" try { # invalid character in XML (not in any safe range) Utf8Parser::getBytes(0xd800); var_dump(false); } catch (Exception $e) { var_dump(true); } try { # code point too large, cannot be encoded Utf8Parser::getBytes(0xffffff); var_dump(false); } catch (Exception $e) { var_dump(true); } print "7A\n"; $parser = new LazyAltParser(array(new StringParser("abc"), new StringParser("ab"), new StringParser("a"))); try { $parser->match("0", 1); var_dump(false); } catch (ParseFailureException $e) { var_dump(true); } var_dump($parser->match("0a", 1) === array("j" => 2, "value" => "a")); var_dump($parser->match("0ab", 1) === array("j" => 3, "value" => "ab")); var_dump($parser->match("0abc", 1) === array("j" => 4, "value" => "abc"));