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class Thor
module Shell
module Terminal
DEFAULT_TERMINAL_WIDTH = 80
class << self
# This code was copied from Rake, available under MIT-LICENSE
# Copyright (c) 2003, 2004 Jim Weirich
def terminal_width
result = if ENV["THOR_COLUMNS"]
ENV["THOR_COLUMNS"].to_i
else
unix? ? dynamic_width : DEFAULT_TERMINAL_WIDTH
end
result < 10 ? DEFAULT_TERMINAL_WIDTH : result
rescue
DEFAULT_TERMINAL_WIDTH
end
def unix?
RUBY_PLATFORM =~ /(aix|darwin|linux|(net|free|open)bsd|cygwin|solaris)/i
end
private
# Calculate the dynamic width of the terminal
def dynamic_width
@dynamic_width ||= (dynamic_width_stty.nonzero? || dynamic_width_tput)
end
def dynamic_width_stty
`stty size 2>/dev/null`.split[1].to_i
end
def dynamic_width_tput
`tput cols 2>/dev/null`.to_i
end
end
end
end
end
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