Upgrade Coderay to 0.9.0.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3014 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 437 insertions, 0 deletions

diff --git a/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/php.rb b/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/php.rb
new file mode 100644
index 000000000..bfbc64283
--- /dev/null
+++ b/vendor/plugins/coderay-0.9.0/lib/coderay/scanners/php.rb
@@ -0,0 +1,437 @@
+module CodeRay
+module Scanners
+  
+  load :html
+  
+  # Original by Stefan Walk.
+  class PHP < Scanner
+    
+    register_for :php
+    file_extension 'php'
+    
+    KINDS_NOT_LOC = HTML::KINDS_NOT_LOC
+    
+    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
+      
+      # 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
+      ]
+      # 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
+      ]
+      
+      IDENT_KIND = CaseIgnoringWordList.new(:ident, true).
+        add(KEYWORDS, :reserved).
+        add(TYPES, :pre_type).
+        add(LANGUAGE_CONSTRUCTS, :reserved).
+        add(BUILTIN_FUNCTIONS, :predefined).
+        add(CLASSES, :pre_constant).
+        add(EXCEPTIONS, :exception).
+        add(CONSTANTS, :pre_constant)
+    end
+    
+    module RE
+      
+      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 = /[a-z_\x7f-\xFF][a-z0-9_\x7f-\xFF]*/i
+      VARIABLE = /\$#{IDENTIFIER}/
+      
+      OPERATOR = /
+        \.(?!\d)=? |      # dot that is not decimal point, string concatenation
+        && | \|\| |       # logic
+        :: | -> | => |    # scope, member, dictionary
+        \+\+ | -- |       # increment, decrement
+        [,;?:()\[\]{}] |  # simple delimiters
+        [-+*\/%&|^]=? |   # ordinary math, binary logic, assignment shortcuts
+        [~@$] |           # whatever
+        [=!]=?=? | <> |   # comparison and assignment
+        <<=? | >>=? | [<>]=?  # comparison and shift
+      /x
+      
+    end
+    
+    def scan_tokens tokens, options
+      
+      states = [:initial]
+      if match?(RE::PHP_START) ||  # starts with <?
+       (match?(/\s*<\S/) && exist?(RE::PHP_START)) || # starts with tag and contains <?
+       exist?(RE::HTML_INDICATOR)
+        # is PHP inside HTML, so start with HTML
+      else
+        states << :php
+      end
+      
+      # heredocdelim = nil
+      delimiter = nil
+      
+      until eos?
+        
+        match = nil
+        kind = nil
+        
+        case states.last
+        
+        when :initial  # HTML
+          if scan RE::PHP_START
+            kind = :inline_delimiter
+            states << :php
+          else
+            match = scan_until(/(?=#{RE::PHP_START})/o) || scan_until(/\z/)
+            @html_scanner.tokenize match unless match.empty?
+            next
+          end
+        
+        when :php
+          if scan RE::PHP_END
+            kind = :inline_delimiter
+            states = [:initial]
+          
+          elsif scan(/\s+/)
+            kind = :space
+          
+          elsif scan(/ \/\* (?: .*? \*\/ | .* ) /mx)
+            kind = :comment
+          
+          elsif scan(%r!(?://|#).*?(?=#{RE::PHP_END}|$)!o)
+            kind = :comment
+          
+          elsif match = scan(RE::IDENTIFIER)
+            kind = Words::IDENT_KIND[match]
+            if kind == :ident && check(/:(?!:)/) #&& tokens[-2][0] == 'case'
+              # FIXME: don't match a?b:c
+              kind = :label
+            elsif kind == :ident && match =~ /^[A-Z]/
+              kind = :constant
+            elsif kind == :reserved && match == 'class'
+              states << :class_expected
+            elsif kind == :reserved && match == 'function'
+              states << :function_expected
+            end
+          
+          elsif scan(/(?:\d+\.\d*|\d*\.\d+)(?:e[-+]?\d+)?|\d+e[-+]?\d+/i)
+            kind = :float
+          
+          elsif scan(/0x[0-9a-fA-F]+/)
+            kind = :hex
+          
+          elsif scan(/\d+/)
+            kind = :integer
+          
+          elsif scan(/'/)
+            tokens << [:open, :string]
+            kind = :delimiter
+            states.push :sqstring
+          
+          elsif match = scan(/["`]/)
+            tokens << [:open, :string]
+            delimiter = match
+            kind = :delimiter
+            states.push :dqstring
+          
+          # TODO: Heredocs
+          # See http://de2.php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc
+          elsif match = scan(/<<<(#{RE::IDENTIFIER})/o)
+            tokens << [:open, :string]
+            heredocdelim = Regexp.escape self[1]
+            tokens << [match, :delimiter]
+            next if eos?
+            tokens << [scan_until(/\n(?=#{heredocdelim};?$)|\z/), :content]
+            next if eos?
+            tokens << [scan(/#{heredocdelim}/), :delimiter]
+            tokens << [:close, :string]
+            next
+          
+          elsif scan RE::VARIABLE
+            kind = :local_variable
+          
+          elsif scan(/\{/)
+            kind = :operator
+            states.push :php
+          
+          elsif scan(/\}/)
+            if states.size == 1
+              kind = :error
+            else
+              states.pop
+              if states.last.is_a?(::Array)
+                delimiter = states.last[1]
+                states[-1] = states.last[0]
+                tokens << [matched, :delimiter]
+                tokens << [:close, :inline]
+                next
+              else
+                kind = :operator
+              end
+            end
+          
+          elsif scan(/#{RE::OPERATOR}/o)
+            kind = :operator
+          
+          else
+            getch
+            kind = :error
+          
+          end
+        
+        when :sqstring
+          if scan(/[^'\\]+/)
+            kind = :content
+          elsif scan(/'/)
+            tokens << [matched, :delimiter]
+            tokens << [:close, :string]
+            delimiter = nil
+            states.pop
+            next
+          elsif scan(/\\[\\'\n]/)
+            kind = :char
+          elsif scan(/\\./m)
+            kind = :content
+          elsif scan(/\\/)
+            kind = :error
+          end
+        
+        when :dqstring
+          if scan(delimiter == '"' ? /[^"${\\]+/ : /[^`${\\]+/)
+            kind = :content
+          elsif scan(delimiter == '"' ? /"/ : /`/)
+            tokens << [matched, :delimiter]
+            tokens << [:close, :string]
+            delimiter = nil
+            states.pop
+            next
+          elsif scan(/\\(?:x[0-9a-fA-F]{2}|\d{3})/)
+            kind = :char
+          elsif scan(delimiter == '"' ? /\\["\\\nfnrtv]/ : /\\[`\\\nfnrtv]/)
+            kind = :char
+          elsif scan(/\\./m)
+            kind = :content
+          elsif scan(/\\/)
+            kind = :error
+          elsif match = scan(/#{RE::VARIABLE}/o)
+            kind = :local_variable
+            # $foo[bar] and $foo->bar kind of stuff
+            # TODO: highlight tokens separately!
+            if check(/\[#{RE::IDENTIFIER}\]/o)
+              match << scan(/\[#{RE::IDENTIFIER}\]/o)
+            elsif check(/\[/)
+              match << scan(/\[#{RE::IDENTIFIER}?/o)
+              kind = :error
+            elsif check(/->#{RE::IDENTIFIER}/o)
+              match << scan(/->#{RE::IDENTIFIER}/o)
+            elsif check(/->/)
+              match << scan(/->/)
+              kind = :error
+            end
+          elsif match = scan(/\{/)
+            if check(/\$/)
+              kind = :delimiter
+              states[-1] = [states.last, delimiter]
+              delimiter = nil
+              states.push :php
+              tokens << [:open, :inline]
+            else
+              kind = :string
+            end
+          elsif scan(/\$\{#{RE::IDENTIFIER}\}/o)
+            kind = :local_variable
+          elsif scan(/\$/)
+            kind = :content
+          end
+        
+        when :class_expected
+          if scan(/\s+/)
+            kind = :space
+          elsif match = scan(/#{RE::IDENTIFIER}/o)
+            kind = :class
+            states.pop
+          else
+            states.pop
+            next
+          end
+        
+        when :function_expected
+          if scan(/\s+/)
+            kind = :space
+          elsif scan(/&/)
+            kind = :operator
+          elsif match = scan(/#{RE::IDENTIFIER}/o)
+            kind = :function
+            states.pop
+          else
+            states.pop
+            next
+          end
+        
+        else
+          raise_inspect 'Unknown state!', tokens, states
+        end
+        
+        match ||= matched
+        if $DEBUG and not kind
+          raise_inspect 'Error token %p in line %d' %
+            [[match, kind], line], tokens, states
+        end
+        raise_inspect 'Empty token', tokens, states unless match
+        
+        tokens << [match, kind]
+        
+      end
+      
+      tokens
+    end
+    
+  end
+  
+end
+end