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Versions: 8
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Stored size: 1.73 KB
Contents
module Ruco
class StyleMap
attr_accessor :lines
def initialize(lines)
@lines = Array.new(lines)
end
def add(style, line, columns)
@lines[line] ||= []
@lines[line] << [style, columns]
end
def flatten
@lines.map do |styles|
next unless styles
# start and one after end of every column-range changes styles
points_of_change = styles.map{|s,c| [c.first, c.last+1] }.flatten
flat = []
styles.each do |style, columns|
points_of_change.each do |point|
next unless columns.include?(point)
flat[point] ||= []
flat[point].unshift style
end
end
max = styles.map{|s,c|c.last}.max
flat[max+1] = []
flat
end
end
def +(other)
lines = self.lines + other.lines
new = StyleMap.new(0)
new.lines = lines
new
end
def slice!(*args)
sliced = lines.slice!(*args)
new = StyleMap.new(0)
new.lines = sliced
new
end
def shift
slice!(0, 1)
end
def pop
slice!(-1, 1)
end
STYLES = {
:normal => 0,
:reverse => Curses::A_REVERSE
}
def self.styled(content, styles)
styles ||= []
content = content.dup
build = []
build << [[]]
buffered = ''
styles.each do |style|
if style
build[-1] << buffered
buffered = ''
# set new style
build << [style]
end
buffered << (content.slice!(0,1) || '')
end
build[-1] << buffered + content
build
end
def self.curses_style(styles)
styles.sum{|style| STYLES[style] or raise("Unknown style #{style}") }
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems