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module Vedeu
module EscapeSequences
# Provides border/box related escape sequences.
#
# @note
# Refer to UTF-8 U+2500 to U+257F for border characters. More
# details can be found at:
#
# http://en.wikipedia.org/wiki/Box-drawing_character
#
# Using the '\uXXXX' variant produces gaps in the border, whilst
# the '\xXX' renders 'nicely'.
#
module Borders
extend self
# @return [String]
def border_on
"\e(0".freeze
end
# @return [String]
def border_off
"\e(B".freeze
end
# Provides all the semigraphic characters.
#
# # 0 1 2 3 4 5 6 7 8 9 A B C D E F
# 6 ┘ ┐ ┌ └ ┼
# 7 ─ ├ ┤ ┴ ┬ │
#
# @return [Hash<Symbol => String>]
def characters
{
bottom_right: "\x6A".freeze, # ┘ # \u2518
top_right: "\x6B".freeze, # ┐ # \u2510
top_left: "\x6C".freeze, # ┌ # \u250C
bottom_left: "\x6D".freeze, # └ # \u2514
horizontal: "\x71".freeze, # ─ # \u2500
vertical_left: "\x74".freeze, # ├ # \u251C
vertical_right: "\x75".freeze, # ┤ # \u2524
horizontal_bottom: "\x76".freeze, # ┴ # \u2534
horizontal_top: "\x77".freeze, # ┬ # \u252C
vertical: "\x78".freeze, # │ # \u2502
}
end
# @return [void]
def setup!
characters.each { |key, code| define_method(key) { code } }
end
end # Borders
end # EscapeSequences
Vedeu::EscapeSequences::Borders.setup!
end # Vedeu
Version data entries
24 entries across 24 versions & 1 rubygems