jekyll/lib/jekyll/stevenson.rb

90 lines
2.5 KiB
Ruby

module Jekyll
class Stevenson
attr_accessor :log_level
DEBUG = 0
INFO = 1
WARN = 2
ERROR = 3
# Public: Create a new instance of Stevenson, Jekyll's logger
#
# level - (optional, integer) the log level
#
# Returns nothing
def initialize(level = INFO)
@log_level = level
end
# Public: Print a jekyll debug message to stdout
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail
#
# Returns nothing
def debug(topic, message = nil)
$stdout.puts(message(topic, message)) if log_level <= DEBUG
end
# Public: Print a jekyll message to stdout
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail
#
# Returns nothing
def info(topic, message = nil)
$stdout.puts(message(topic, message)) if log_level <= INFO
end
# Public: Print a jekyll message to stderr
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail
#
# Returns nothing
def warn(topic, message = nil)
$stderr.puts(message(topic, message).yellow) if log_level <= WARN
end
# Public: Print a jekyll error message to stderr
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail
#
# Returns nothing
def error(topic, message = nil)
$stderr.puts(message(topic, message).red) if log_level <= ERROR
end
# Public: Print a Jekyll error message to stderr and immediately abort the process
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail (can be omitted)
#
# Returns nothing
def abort_with(topic, message = nil)
error(topic, message)
abort
end
# Public: Build a Jekyll topic method
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
# message - the message detail
#
# Returns the formatted message
def message(topic, message)
formatted_topic(topic) + message.to_s.gsub(/\s+/, ' ')
end
# Public: Format the topic
#
# topic - the topic of the message, e.g. "Configuration file", "Deprecation", etc.
#
# Returns the formatted topic statement
def formatted_topic(topic)
"#{topic} ".rjust(20)
end
end
end