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Versions: 9
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Contents
# frozen_string_literal: true
module Vedeu
module Renderers
# Converts a grid of {Vedeu::Cells} objects or
# {Vedeu::Cells::Char} objects into a stream of characters without
# escape sequences.
#
# @api private
#
class Escape < Vedeu::Renderers::File
include Vedeu::Renderers::Options
# Render a cleared output.
#
# @return [String]
def clear
render('[[:clear]]')
end
private
# Combine all characters in a row to produce a line, then all
# lines should be terminated with `\n`. Convert to an array of
# UTF8 codepoints, and any codepoint above 255 should be
# converted to a space.
#
# @return [String]
def content
return '[[:empty]]' if string?(output) || absent?(output)
buffer.map { |row| row.join("\n") }.join("\n\n")
end
# @return [Array<String>]
def buffer
empty = Array.new(Vedeu.height) { Array.new(Vedeu.width) { '[:cell]' } }
output.each do |row|
row.each do |char|
next unless positionable?(char)
empty[char.position.y - 1][char.position.x - 1] = char.to_ast
end
end
empty
end
end # Escape
end # Renderers
end # Vedeu
Version data entries
9 entries across 9 versions & 1 rubygems