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68 lines
1.3 KiB
Ruby
68 lines
1.3 KiB
Ruby
class Terminal
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def initialize(width, height)
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@screen = TSM::Screen.new(width, height)
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@vte = TSM::Vte.new(@screen)
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end
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def feed(data)
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vte.input(data)
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end
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def snapshot
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lines = []
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screen.draw do |x, y, char, screen_attribute|
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assign_cell(lines, x, y, char, screen_attribute)
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end
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Snapshot.build(lines)
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end
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def cursor
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Cursor.new(screen.cursor_x, screen.cursor_y, screen.cursor_visible?)
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end
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def release
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screen.release
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vte.release
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end
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private
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attr_reader :screen, :vte
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def assign_cell(lines, x, y, char, screen_attribute)
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line = lines[y] ||= []
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line[x] = [sanitize_char(char), attributes_hash(screen_attribute)]
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end
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def sanitize_char(char)
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char.
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encode('UTF-16', :invalid => :replace, :undef => :replace,
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:replace => "\001").
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encode('UTF-8').gsub(/\001+/, '?').
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first
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end
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def attributes_hash(screen_attribute)
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attrs = {}
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[:fg, :bg, :bold?, :underline?, :inverse?, :blink?].each do |name|
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assign_attr(attrs, screen_attribute, name)
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end
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attrs
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end
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def assign_attr(attrs, screen_attribute, name)
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value = screen_attribute.public_send(name)
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if value
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key = name.to_s.sub('?', '').to_sym
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attrs[key] = value
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end
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end
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end
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