1 # -*- encoding: binary -*-
18 # support nginx variables that are less customizable than our own
20 '$request_time' => '$request_time{3}',
21 '$time_local' => '$time_local{%d/%b/%Y:%H:%M:%S %z}',
22 '$msec' => '$time{3}',
23 '$usec' => '$time{6}',
24 '$http_content_length' => '$content_length',
25 '$http_content_type' => '$content_type',
29 :body_bytes_sent => 0,
31 :request => 2, # REQUEST_METHOD PATH_INFO?QUERY_STRING HTTP_VERSION
32 :request_length => 3, # env['rack.input'].size
33 :response_length => 4, # like body_bytes_sent, except "-" instead of "0"
34 :ip => 5, # HTTP_X_FORWARDED_FOR || REMOTE_ADDR || -
41 CGI_ENV = Regexp.new('\A\$(' <<
42 %w(request_method content_length content_type
43 remote_addr remote_ident remote_user
44 path_info query_string script_name
45 server_name server_port
46 auth_type gateway_interface server_software path_translated
47 ).join('|') << ')\z').freeze
49 SCAN = /([^$]*)(\$+(?:env\{\w+(?:\.[\w\.]+)?\}|
51 (?:request_)?time\{\d+\}|
52 time_(?:utc|local)\{[^\}]+\}|
55 def compile_format(str, opt = {})
58 str.scan(SCAN).each do |pre,tok,post|
59 rv << [ OP_LITERAL, pre ] if pre && pre != ""
62 if tok.sub!(/\A(\$+)\$/, '$')
63 rv << [ OP_LITERAL, $1.dup ]
66 compat = ALIASES[tok] and tok = compat
70 rv << [ OP_LITERAL, $1.dup ]
71 when /\A\$env\{(\w+(?:\.[\w\.]+))\}\z/
72 rv << [ OP_REQUEST, $1.freeze ]
73 when /\A\$e\{([^\}]+)\}\z/
74 rv << [ OP_EVAL, $1.dup ]
75 when /\A\$cookie_(\w+)\z/
76 rv << [ OP_COOKIE, $1.dup.freeze ]
77 when CGI_ENV, /\A\$(http_\w+)\z/
78 rv << [ OP_REQUEST, $1.upcase.freeze ]
79 when /\A\$sent_http_(\w+)\z/
80 rv << [ OP_RESPONSE, $1.downcase.tr('_','-').freeze ]
81 when /\A\$time_local\{([^\}]+)\}\z/
82 rv << [ OP_TIME_LOCAL, $1.dup ]
83 when /\A\$time_utc\{([^\}]+)\}\z/
84 rv << [ OP_TIME_UTC, $1.dup ]
85 when /\A\$time\{(\d+)\}\z/
86 rv << [ OP_TIME, *usec_conv_pair(tok, $1.to_i) ]
87 when /\A\$request_time\{(\d+)\}\z/
88 rv << [ OP_REQUEST_TIME, *usec_conv_pair(tok, $1.to_i) ]
90 tok_sym = tok[1..-1].to_sym
91 if special_code = SPECIAL_VARS[tok_sym]
92 rv << [ OP_SPECIAL, special_code ]
94 raise ArgumentError, "unable to make sense of token: #{tok}"
99 rv << [ OP_LITERAL, post ] if post && post != ""
102 # auto-append a newline
103 last = rv.last or return rv
105 ors = opt[:ORS] || "\n"
106 if (op == OP_LITERAL && /#{ors}\z/ !~ last.last) || op != OP_LITERAL
107 rv << [ OP_LITERAL, ors ] if ors.size > 0
113 def usec_conv_pair(tok, prec)
115 [ "%d", 1 ] # stupid...
117 raise ArgumentError, "#{tok}: too high precision: #{prec} (max=6)"
119 [ "%d.%0#{prec}d", 10 ** (6 - prec) ]
123 def need_response_headers?(fmt_ops)
124 fmt_ops.any? { |op| OP_RESPONSE == op[0] }
127 def need_wrap_body?(fmt_ops)
129 (OP_REQUEST_TIME == op[0]) || (OP_SPECIAL == op[0] &&
130 (SPECIAL_VARS[:body_bytes_sent] == op[1] ||
131 SPECIAL_VARS[:response_length] == op[1]))
137 require 'clogger/format'
140 raise LoadError if ENV['CLOGGER_PURE']
141 require 'clogger_ext'
143 require 'clogger/pure'