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# encoding: utf-8
module CodeRay
module Scanners
load :html
# Scanner for PHP.
#
# Original by Stefan Walk.
class PHP < Scanner
register_for :php
file_extension 'php'
KINDS_NOT_LOC = HTML::KINDS_NOT_LOC
protected
def setup
@html_scanner = CodeRay.scanner :html, :tokens => @tokens, :keep_tokens => true, :keep_state => true
end
def reset_instance
super
@html_scanner.reset
end
module Words # :nodoc:
# according to http://www.php.net/manual/en/reserved.keywords.php
KEYWORDS = %w[
abstract and array as break case catch class clone const continue declare default do else elseif
enddeclare endfor endforeach endif endswitch endwhile extends final for foreach function global
goto if implements interface instanceof namespace new or private protected public static switch
throw try use var while xor
cfunction old_function
]
TYPES = %w[ int integer float double bool boolean string array object resource ]
LANGUAGE_CONSTRUCTS = %w[
die echo empty exit eval include include_once isset list
require require_once return print unset
]
CLASSES = %w[ Directory stdClass __PHP_Incomplete_Class exception php_user_filter Closure ]
# according to http://php.net/quickref.php on 2009-04-21;
# all functions with _ excluded (module functions) and selected additional functions
BUILTIN_FUNCTIONS = %w[
abs acos acosh addcslashes addslashes aggregate array arsort ascii2ebcdic asin asinh asort assert atan atan2
atanh basename bcadd bccomp bcdiv bcmod bcmul bcpow bcpowmod bcscale bcsqrt bcsub bin2hex bindec
bindtextdomain bzclose bzcompress bzdecompress bzerrno bzerror bzerrstr bzflush bzopen bzread bzwrite
calculhmac ceil chdir checkdate checkdnsrr chgrp chmod chop chown chr chroot clearstatcache closedir closelog
compact constant copy cos cosh count crc32 crypt current date dcgettext dcngettext deaggregate decbin dechex
decoct define defined deg2rad delete dgettext die dirname diskfreespace dl dngettext doubleval each
ebcdic2ascii echo empty end ereg eregi escapeshellarg escapeshellcmd eval exec exit exp explode expm1 extract
fclose feof fflush fgetc fgetcsv fgets fgetss file fileatime filectime filegroup fileinode filemtime fileowner
fileperms filepro filesize filetype floatval flock floor flush fmod fnmatch fopen fpassthru fprintf fputcsv
fputs fread frenchtojd fscanf fseek fsockopen fstat ftell ftok ftruncate fwrite getallheaders getcwd getdate
getenv gethostbyaddr gethostbyname gethostbynamel getimagesize getlastmod getmxrr getmygid getmyinode getmypid
getmyuid getopt getprotobyname getprotobynumber getrandmax getrusage getservbyname getservbyport gettext
gettimeofday gettype glob gmdate gmmktime gmstrftime gregoriantojd gzclose gzcompress gzdecode gzdeflate
gzencode gzeof gzfile gzgetc gzgets gzgetss gzinflate gzopen gzpassthru gzputs gzread gzrewind gzseek gztell
gzuncompress gzwrite hash header hebrev hebrevc hexdec htmlentities htmlspecialchars hypot iconv idate
implode include intval ip2long iptcembed iptcparse isset
jddayofweek jdmonthname jdtofrench jdtogregorian jdtojewish jdtojulian jdtounix jewishtojd join jpeg2wbmp
juliantojd key krsort ksort lcfirst lchgrp lchown levenshtein link linkinfo list localeconv localtime log
log10 log1p long2ip lstat ltrim mail main max md5 metaphone mhash microtime min mkdir mktime msql natcasesort
natsort next ngettext nl2br nthmac octdec opendir openlog
ord overload pack passthru pathinfo pclose pfsockopen phpcredits phpinfo phpversion pi png2wbmp popen pos pow
prev print printf putenv quotemeta rad2deg rand range rawurldecode rawurlencode readdir readfile readgzfile
readline readlink realpath recode rename require reset rewind rewinddir rmdir round rsort rtrim scandir
serialize setcookie setlocale setrawcookie settype sha1 shuffle signeurlpaiement sin sinh sizeof sleep snmpget
snmpgetnext snmprealwalk snmpset snmpwalk snmpwalkoid sort soundex split spliti sprintf sqrt srand sscanf stat
strcasecmp strchr strcmp strcoll strcspn strftime stripcslashes stripos stripslashes stristr strlen
strnatcasecmp strnatcmp strncasecmp strncmp strpbrk strpos strptime strrchr strrev strripos strrpos strspn
strstr strtok strtolower strtotime strtoupper strtr strval substr symlink syslog system tan tanh tempnam
textdomain time tmpfile touch trim uasort ucfirst ucwords uksort umask uniqid unixtojd unlink unpack
unserialize unset urldecode urlencode usleep usort vfprintf virtual vprintf vsprintf wordwrap
array_change_key_case array_chunk array_combine array_count_values array_diff array_diff_assoc
array_diff_key array_diff_uassoc array_diff_ukey array_fill array_fill_keys array_filter array_flip
array_intersect array_intersect_assoc array_intersect_key array_intersect_uassoc array_intersect_ukey
array_key_exists array_keys array_map array_merge array_merge_recursive array_multisort array_pad
array_pop array_product array_push array_rand array_reduce array_reverse array_search array_shift
array_slice array_splice array_sum array_udiff array_udiff_assoc array_udiff_uassoc array_uintersect
array_uintersect_assoc array_uintersect_uassoc array_unique array_unshift array_values array_walk
array_walk_recursive
assert_options base_convert base64_decode base64_encode
chunk_split class_exists class_implements class_parents
count_chars debug_backtrace debug_print_backtrace debug_zval_dump
error_get_last error_log error_reporting extension_loaded
file_exists file_get_contents file_put_contents load_file
func_get_arg func_get_args func_num_args function_exists
get_browser get_called_class get_cfg_var get_class get_class_methods get_class_vars
get_current_user get_declared_classes get_declared_interfaces get_defined_constants
get_defined_functions get_defined_vars get_extension_funcs get_headers get_html_translation_table
get_include_path get_included_files get_loaded_extensions get_magic_quotes_gpc get_magic_quotes_runtime
get_meta_tags get_object_vars get_parent_class get_required_filesget_resource_type
gc_collect_cycles gc_disable gc_enable gc_enabled
halt_compiler headers_list headers_sent highlight_file highlight_string
html_entity_decode htmlspecialchars_decode
in_array include_once inclued_get_data
is_a is_array is_binary is_bool is_buffer is_callable is_dir is_double is_executable is_file is_finite
is_float is_infinite is_int is_integer is_link is_long is_nan is_null is_numeric is_object is_readable
is_real is_resource is_scalar is_soap_fault is_string is_subclass_of is_unicode is_uploaded_file
is_writable is_writeable
locale_get_default locale_set_default
number_format override_function parse_str parse_url
php_check_syntax php_ini_loaded_file php_ini_scanned_files php_logo_guid php_sapi_name
php_strip_whitespace php_uname
preg_filter preg_grep preg_last_error preg_match preg_match_all preg_quote preg_replace
preg_replace_callback preg_split print_r
require_once register_shutdown_function register_tick_function
set_error_handler set_exception_handler set_file_buffer set_include_path
set_magic_quotes_runtime set_time_limit shell_exec
str_getcsv str_ireplace str_pad str_repeat str_replace str_rot13 str_shuffle str_split str_word_count
strip_tags substr_compare substr_count substr_replace
time_nanosleep time_sleep_until
token_get_all token_name trigger_error
unregister_tick_function use_soap_error_handler user_error
utf8_decode utf8_encode var_dump var_export
version_compare
zend_logo_guid zend_thread_id zend_version
create_function call_user_func_array
posix_access posix_ctermid posix_get_last_error posix_getcwd posix_getegid
posix_geteuid posix_getgid posix_getgrgid posix_getgrnam posix_getgroups
posix_getlogin posix_getpgid posix_getpgrp posix_getpid posix_getppid
posix_getpwnam posix_getpwuid posix_getrlimit posix_getsid posix_getuid
posix_initgroups posix_isatty posix_kill posix_mkfifo posix_mknod
posix_setegid posix_seteuid posix_setgid posix_setpgid posix_setsid
posix_setuid posix_strerror posix_times posix_ttyname posix_uname
pcntl_alarm pcntl_exec pcntl_fork pcntl_getpriority pcntl_setpriority
pcntl_signal pcntl_signal_dispatch pcntl_sigprocmask pcntl_sigtimedwait
pcntl_sigwaitinfo pcntl_wait pcntl_waitpid pcntl_wexitstatus pcntl_wifexited
pcntl_wifsignaled pcntl_wifstopped pcntl_wstopsig pcntl_wtermsig
]
# TODO: more built-in PHP functions?
EXCEPTIONS = %w[
E_ERROR E_WARNING E_PARSE E_NOTICE E_CORE_ERROR E_CORE_WARNING E_COMPILE_ERROR E_COMPILE_WARNING
E_USER_ERROR E_USER_WARNING E_USER_NOTICE E_DEPRECATED E_USER_DEPRECATED E_ALL E_STRICT
]
CONSTANTS = %w[
null true false self parent
__LINE__ __DIR__ __FILE__ __LINE__
__CLASS__ __NAMESPACE__ __METHOD__ __FUNCTION__
PHP_VERSION PHP_MAJOR_VERSION PHP_MINOR_VERSION PHP_RELEASE_VERSION PHP_VERSION_ID PHP_EXTRA_VERSION PHP_ZTS
PHP_DEBUG PHP_MAXPATHLEN PHP_OS PHP_SAPI PHP_EOL PHP_INT_MAX PHP_INT_SIZE DEFAULT_INCLUDE_PATH
PEAR_INSTALL_DIR PEAR_EXTENSION_DIR PHP_EXTENSION_DIR PHP_PREFIX PHP_BINDIR PHP_LIBDIR PHP_DATADIR
PHP_SYSCONFDIR PHP_LOCALSTATEDIR PHP_CONFIG_FILE_PATH PHP_CONFIG_FILE_SCAN_DIR PHP_SHLIB_SUFFIX
PHP_OUTPUT_HANDLER_START PHP_OUTPUT_HANDLER_CONT PHP_OUTPUT_HANDLER_END
__COMPILER_HALT_OFFSET__
EXTR_OVERWRITE EXTR_SKIP EXTR_PREFIX_SAME EXTR_PREFIX_ALL EXTR_PREFIX_INVALID EXTR_PREFIX_IF_EXISTS
EXTR_IF_EXISTS SORT_ASC SORT_DESC SORT_REGULAR SORT_NUMERIC SORT_STRING CASE_LOWER CASE_UPPER COUNT_NORMAL
COUNT_RECURSIVE ASSERT_ACTIVE ASSERT_CALLBACK ASSERT_BAIL ASSERT_WARNING ASSERT_QUIET_EVAL CONNECTION_ABORTED
CONNECTION_NORMAL CONNECTION_TIMEOUT INI_USER INI_PERDIR INI_SYSTEM INI_ALL M_E M_LOG2E M_LOG10E M_LN2 M_LN10
M_PI M_PI_2 M_PI_4 M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 CRYPT_SALT_LENGTH CRYPT_STD_DES CRYPT_EXT_DES
CRYPT_MD5 CRYPT_BLOWFISH DIRECTORY_SEPARATOR SEEK_SET SEEK_CUR SEEK_END LOCK_SH LOCK_EX LOCK_UN LOCK_NB
HTML_SPECIALCHARS HTML_ENTITIES ENT_COMPAT ENT_QUOTES ENT_NOQUOTES INFO_GENERAL INFO_CREDITS
INFO_CONFIGURATION INFO_MODULES INFO_ENVIRONMENT INFO_VARIABLES INFO_LICENSE INFO_ALL CREDITS_GROUP
CREDITS_GENERAL CREDITS_SAPI CREDITS_MODULES CREDITS_DOCS CREDITS_FULLPAGE CREDITS_QA CREDITS_ALL STR_PAD_LEFT
STR_PAD_RIGHT STR_PAD_BOTH PATHINFO_DIRNAME PATHINFO_BASENAME PATHINFO_EXTENSION PATH_SEPARATOR CHAR_MAX
LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_ALL LC_MESSAGES ABDAY_1 ABDAY_2 ABDAY_3 ABDAY_4 ABDAY_5
ABDAY_6 ABDAY_7 DAY_1 DAY_2 DAY_3 DAY_4 DAY_5 DAY_6 DAY_7 ABMON_1 ABMON_2 ABMON_3 ABMON_4 ABMON_5 ABMON_6
ABMON_7 ABMON_8 ABMON_9 ABMON_10 ABMON_11 ABMON_12 MON_1 MON_2 MON_3 MON_4 MON_5 MON_6 MON_7 MON_8 MON_9
MON_10 MON_11 MON_12 AM_STR PM_STR D_T_FMT D_FMT T_FMT T_FMT_AMPM ERA ERA_YEAR ERA_D_T_FMT ERA_D_FMT ERA_T_FMT
ALT_DIGITS INT_CURR_SYMBOL CURRENCY_SYMBOL CRNCYSTR MON_DECIMAL_POINT MON_THOUSANDS_SEP MON_GROUPING
POSITIVE_SIGN NEGATIVE_SIGN INT_FRAC_DIGITS FRAC_DIGITS P_CS_PRECEDES P_SEP_BY_SPACE N_CS_PRECEDES
N_SEP_BY_SPACE P_SIGN_POSN N_SIGN_POSN DECIMAL_POINT RADIXCHAR THOUSANDS_SEP THOUSEP GROUPING YESEXPR NOEXPR
YESSTR NOSTR CODESET LOG_EMERG LOG_ALERT LOG_CRIT LOG_ERR LOG_WARNING LOG_NOTICE LOG_INFO LOG_DEBUG LOG_KERN
LOG_USER LOG_MAIL LOG_DAEMON LOG_AUTH LOG_SYSLOG LOG_LPR LOG_NEWS LOG_UUCP LOG_CRON LOG_AUTHPRIV LOG_LOCAL0
LOG_LOCAL1 LOG_LOCAL2 LOG_LOCAL3 LOG_LOCAL4 LOG_LOCAL5 LOG_LOCAL6 LOG_LOCAL7 LOG_PID LOG_CONS LOG_ODELAY
LOG_NDELAY LOG_NOWAIT LOG_PERROR
]
PREDEFINED = %w[
$GLOBALS $_SERVER $_GET $_POST $_FILES $_REQUEST $_SESSION $_ENV
$_COOKIE $php_errormsg $HTTP_RAW_POST_DATA $http_response_header
$argc $argv
]
IDENT_KIND = WordList::CaseIgnoring.new(:ident).
add(KEYWORDS, :keyword).
add(TYPES, :predefined_type).
add(LANGUAGE_CONSTRUCTS, :keyword).
add(BUILTIN_FUNCTIONS, :predefined).
add(CLASSES, :predefined_constant).
add(EXCEPTIONS, :exception).
add(CONSTANTS, :predefined_constant)
VARIABLE_KIND = WordList.new(:local_variable).
add(PREDEFINED, :predefined)
end
module RE # :nodoc:
PHP_START = /
<script\s+[^>]*?language\s*=\s*"php"[^>]*?> |
<script\s+[^>]*?language\s*=\s*'php'[^>]*?> |
<\?php\d? |
<\?(?!xml)
/xi
PHP_END = %r!
</script> |
\?>
!xi
HTML_INDICATOR = /<!DOCTYPE html|<(?:html|body|div|p)[> ]/i
IDENTIFIER = 'ä'[/[[:alpha:]]/] == 'ä' ? Regexp.new('[[:alpha:]_[^\0-\177]][[:alnum:]_[^\0-\177]]*') : Regexp.new('[a-z_\x7f-\xFF][a-z0-9_\x7f-\xFF]*', true)
VARIABLE = /\$#{IDENTIFIER}/
OPERATOR = /
\.(?!\d)=? | # dot that is not decimal point, string concatenation
&& | \|\| | # logic
:: | -> | => | # scope, member, dictionary
\\(?!\n) | # namespace
\+\+ | -- | # increment, decrement
[,;?:()\[\]{}] | # simple delimiters
[-+*\/%&|^]=? | # ordinary math, binary logic, assignment shortcuts
[~$] | # whatever
=& | # reference assignment
[=!]=?=? | <> | # comparison and assignment
<<=? | >>=? | [<>]=? # comparison and shift
/x
end
protected
def scan_tokens encoder, options
if check(RE::PHP_START) || # starts with <?
(match?(/\s*<\S/) && check(/.{1,1000}#{RE::PHP_START}/om)) || # starts with tag and contains <?
check(/.{0,1000}#{RE::HTML_INDICATOR}/om) ||
check(/.{1,100}#{RE::PHP_START}/om) # PHP start after max 100 chars
# is HTML with embedded PHP, so start with HTML
states = [:initial]
else
# is just PHP, so start with PHP surrounded by HTML
states = [:initial, :php]
end
label_expected = true
case_expected = false
heredoc_delimiter = nil
delimiter = nil
modifier = nil
until eos?
case states.last
when :initial # HTML
if match = scan(RE::PHP_START)
encoder.text_token match, :inline_delimiter
label_expected = true
states << :php
else
match = scan_until(/(?=#{RE::PHP_START})/o) || scan_rest
@html_scanner.tokenize match unless match.empty?
end
when :php, :php_inline
if match = scan(/\s+/)
encoder.text_token match, :space
elsif match = scan(%r! (?m: \/\* (?: .*? \*\/ | .* ) ) | (?://|\#) .*? (?=#{RE::PHP_END}|$) !xo)
encoder.text_token match, :comment
elsif match = scan(RE::IDENTIFIER)
kind = Words::IDENT_KIND[match]
if kind == :ident && label_expected && check(/:(?!:)/)
kind = :label
label_expected = true
else
label_expected = false
if kind == :ident && match =~ /^[A-Z]/
kind = :constant
elsif kind == :keyword
case match
when 'class'
states << :class_expected
when 'function'
states << :function_expected
when 'case', 'default'
case_expected = true
end
elsif match == 'b' && check(/['"]/) # binary string literal
modifier = match
next
end
end
encoder.text_token match, kind
elsif match = scan(/(?:\d+\.\d*|\d*\.\d+)(?:e[-+]?\d+)?|\d+e[-+]?\d+/i)
label_expected = false
encoder.text_token match, :float
elsif match = scan(/0x[0-9a-fA-F]+/)
label_expected = false
encoder.text_token match, :hex
elsif match = scan(/\d+/)
label_expected = false
encoder.text_token match, :integer
elsif match = scan(/['"`]/)
encoder.begin_group :string
if modifier
encoder.text_token modifier, :modifier
modifier = nil
end
delimiter = match
encoder.text_token match, :delimiter
states.push match == "'" ? :sqstring : :dqstring
elsif match = scan(RE::VARIABLE)
label_expected = false
encoder.text_token match, Words::VARIABLE_KIND[match]
elsif match = scan(/\{/)
encoder.text_token match, :operator
label_expected = true
states.push :php
elsif match = scan(/\}/)
if states.size == 1
encoder.text_token match, :error
else
state = states.pop
if states.last.is_a?(::Array)
delimiter = states.last[1]
states[-1] = states.last[0]
encoder.text_token match, :delimiter
encoder.end_group :inline
else
encoder.text_token match, :operator
encoder.end_group :inline if state == :php_inline
label_expected = true
end
end
elsif match = scan(/@/)
label_expected = false
encoder.text_token match, :exception
elsif match = scan(RE::PHP_END)
encoder.text_token match, :inline_delimiter
while state = states.pop
encoder.end_group :string if [:sqstring, :dqstring].include? state
if state.is_a? Array
encoder.end_group :inline
encoder.end_group :string if [:sqstring, :dqstring].include? state.first
end
end
states << :initial
elsif match = scan(/<<<(?:(#{RE::IDENTIFIER})|"(#{RE::IDENTIFIER})"|'(#{RE::IDENTIFIER})')/o)
encoder.begin_group :string
# warn 'heredoc in heredoc?' if heredoc_delimiter
heredoc_delimiter = Regexp.escape(self[1] || self[2] || self[3])
encoder.text_token match, :delimiter
states.push self[3] ? :sqstring : :dqstring
heredoc_delimiter = /#{heredoc_delimiter}(?=;?$)/
elsif match = scan(/#{RE::OPERATOR}/o)
label_expected = match == ';'
if case_expected
label_expected = true if match == ':'
case_expected = false
end
encoder.text_token match, :operator
else
encoder.text_token getch, :error
end
when :sqstring
if match = scan(heredoc_delimiter ? /[^\\\n]+/ : /[^'\\]+/)
encoder.text_token match, :content
elsif !heredoc_delimiter && match = scan(/'/)
encoder.text_token match, :delimiter
encoder.end_group :string
delimiter = nil
label_expected = false
states.pop
elsif heredoc_delimiter && match = scan(/\n/)
if scan heredoc_delimiter
encoder.text_token "\n", :content
encoder.text_token matched, :delimiter
encoder.end_group :string
heredoc_delimiter = nil
label_expected = false
states.pop
else
encoder.text_token match, :content
end
elsif match = scan(heredoc_delimiter ? /\\\\/ : /\\[\\'\n]/)
encoder.text_token match, :char
elsif match = scan(/\\./m)
encoder.text_token match, :content
elsif match = scan(/\\/)
encoder.text_token match, :error
else
encoder.end_group :string
states.pop
end
when :dqstring
if match = scan(heredoc_delimiter ? /[^${\\\n]+/ : (delimiter == '"' ? /[^"${\\]+/ : /[^`${\\]+/))
encoder.text_token match, :content
elsif !heredoc_delimiter && match = scan(delimiter == '"' ? /"/ : /`/)
encoder.text_token match, :delimiter
encoder.end_group :string
delimiter = nil
label_expected = false
states.pop
elsif heredoc_delimiter && match = scan(/\n/)
if scan heredoc_delimiter
encoder.text_token "\n", :content
encoder.text_token matched, :delimiter
encoder.end_group :string
heredoc_delimiter = nil
label_expected = false
states.pop
else
encoder.text_token match, :content
end
elsif match = scan(/\\(?:x[0-9A-Fa-f]{1,2}|[0-7]{1,3})/)
encoder.text_token match, :char
elsif match = scan(heredoc_delimiter ? /\\[nrtvf\\$]/ : (delimiter == '"' ? /\\[nrtvf\\$"]/ : /\\[nrtvf\\$`]/))
encoder.text_token match, :char
elsif match = scan(/\\./m)
encoder.text_token match, :content
elsif match = scan(/\\/)
encoder.text_token match, :error
elsif match = scan(/#{RE::VARIABLE}/o)
if check(/\[#{RE::IDENTIFIER}\]/o)
encoder.begin_group :inline
encoder.text_token match, :local_variable
encoder.text_token scan(/\[/), :operator
encoder.text_token scan(/#{RE::IDENTIFIER}/o), :ident
encoder.text_token scan(/\]/), :operator
encoder.end_group :inline
elsif check(/\[/)
match << scan(/\[['"]?#{RE::IDENTIFIER}?['"]?\]?/o)
encoder.text_token match, :error
elsif check(/->#{RE::IDENTIFIER}/o)
encoder.begin_group :inline
encoder.text_token match, :local_variable
encoder.text_token scan(/->/), :operator
encoder.text_token scan(/#{RE::IDENTIFIER}/o), :ident
encoder.end_group :inline
elsif check(/->/)
match << scan(/->/)
encoder.text_token match, :error
else
encoder.text_token match, :local_variable
end
elsif match = scan(/\{/)
if check(/\$/)
encoder.begin_group :inline
states[-1] = [states.last, delimiter]
delimiter = nil
states.push :php_inline
encoder.text_token match, :delimiter
else
encoder.text_token match, :content
end
elsif match = scan(/\$\{#{RE::IDENTIFIER}\}/o)
encoder.text_token match, :local_variable
elsif match = scan(/\$/)
encoder.text_token match, :content
else
encoder.end_group :string
states.pop
end
when :class_expected
if match = scan(/\s+/)
encoder.text_token match, :space
elsif match = scan(/#{RE::IDENTIFIER}/o)
encoder.text_token match, :class
states.pop
else
states.pop
end
when :function_expected
if match = scan(/\s+/)
encoder.text_token match, :space
elsif match = scan(/&/)
encoder.text_token match, :operator
elsif match = scan(/#{RE::IDENTIFIER}/o)
encoder.text_token match, :function
states.pop
else
states.pop
end
else
raise_inspect 'Unknown state!', encoder, states
end
end
while state = states.pop
encoder.end_group :string if [:sqstring, :dqstring].include? state
if state.is_a? Array
encoder.end_group :inline
encoder.end_group :string if [:sqstring, :dqstring].include? state.first
end
end
encoder
end
end
end
end
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