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module Logging
# This class defines a logging event.
class LogEvent
# :stopdoc:
# Regular expression used to parse out caller information
#
# * $1 == filename
# * $2 == line number
# * $3 == method name (might be nil)
CALLER_RGXP = %r/([-\.\/\(\)\w]+):(\d+)(?::in `([^']+)')?/o
#CALLER_INDEX = 2
CALLER_INDEX = ((defined? JRUBY_VERSION and JRUBY_VERSION > '1.6') or (defined? RUBY_ENGINE and RUBY_ENGINE[%r/^rbx/i])) ? 1 : 2
# :startdoc:
attr_accessor :logger, :level, :data, :time, :file, :line, :method
# call-seq:
# LogEvent.new( logger, level, [data], caller_tracing )
#
# Creates a new log event with the given _logger_ name, numeric _level_,
# array of _data_ from the user to be logged, and boolean _caller_tracing_ flag.
# If the _caller_tracing_ flag is set to +true+ then Kernel::caller will be
# invoked to get the execution trace of the logging method.
#
def initialize( logger, level, data, caller_tracing )
self.logger = logger
self.level = level
self.data = data
self.time = Time.now.freeze
if caller_tracing
stack = Kernel.caller[CALLER_INDEX]
return if stack.nil?
match = CALLER_RGXP.match(stack)
self.file = match[1]
self.line = Integer(match[2])
self.method = match[3] unless match[3].nil?
if (bp = ::Logging.basepath) && !bp.empty? && file.index(bp) == 0
self.file = file.slice(bp.length + 1, file.length - bp.length)
end
else
self.file = self.line = self.method = ''
end
end
end
end
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