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@@ -0,0 +1,57 @@
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# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2024, by Samuel Williams.
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module Console
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module Terminal
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module Formatter
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class Failure
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KEY = :failure
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def initialize(terminal)
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@terminal = terminal
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@terminal[:exception_title] ||= @terminal.style(:red, nil, :bold)
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@terminal[:exception_detail] ||= @terminal.style(:yellow)
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@terminal[:exception_backtrace] ||= @terminal.style(:red)
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@terminal[:exception_backtrace_other] ||= @terminal.style(:red, nil, :faint)
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@terminal[:exception_message] ||= @terminal.style(:default)
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end
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def format(event, output, prefix: nil, verbose: false, width: 80)
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title = event[:class]
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message = event[:message]
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backtrace = event[:backtrace]
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root = event[:root]
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lines = message.lines.map(&:chomp)
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output.puts " #{prefix}#{@terminal[:exception_title]}#{title}#{@terminal.reset}: #{lines.shift}"
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lines.each do |line|
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output.puts " #{@terminal[:exception_detail]}#{line}#{@terminal.reset}"
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end
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root_pattern = /^#{root}\// if root
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backtrace&.each_with_index do |line, index|
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path, offset, message = line.split(":", 3)
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style = :exception_backtrace
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# Make the path a bit more readable:
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if root_pattern and path.sub!(root_pattern, "").nil?
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style = :exception_backtrace_other
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end
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output.puts " #{index == 0 ? "→" : " "} #{@terminal[style]}#{path}:#{offset}#{@terminal[:exception_message]} #{message}#{@terminal.reset}"
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end
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if cause = event[:cause]
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format(cause, output, prefix: "Caused by ", verbose: verbose, width: width)
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end
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end
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end
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end
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end
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end
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@@ -0,0 +1,58 @@
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# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2020-2024, by Samuel Williams.
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module Console
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module Terminal
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module Formatter
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class Progress
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KEY = :progress
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BLOCK = [
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" ",
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"▏",
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"▎",
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"▍",
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"▌",
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"▋",
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"▊",
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"▉",
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"█",
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]
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def initialize(terminal)
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@terminal = terminal
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@terminal[:progress_bar] ||= terminal.style(:blue, :white)
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end
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def format(event, output, verbose: false, width: 80)
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current = event[:current].to_f
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total = event[:total].to_f
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value = current / total
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# Clamp value to 1.0 to avoid rendering issues:
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if value > 1.0
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value = 1.0
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end
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output.puts "#{@terminal[:progress_bar]}#{self.bar(value, width-10)}#{@terminal.reset} #{sprintf('%6.2f', value * 100)}%"
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end
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private
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def bar(value, width)
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blocks = width * value
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full_blocks = blocks.floor
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partial_block = ((blocks - full_blocks) * BLOCK.size).floor
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if partial_block.zero?
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BLOCK.last * full_blocks
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else
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"#{BLOCK.last * full_blocks}#{BLOCK[partial_block]}"
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end.ljust(width)
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end
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end
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end
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end
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end
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@@ -0,0 +1,42 @@
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# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2019-2024, by Samuel Williams.
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module Console
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module Terminal
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module Formatter
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# Format spawn events.
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class Spawn
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KEY = :spawn
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def initialize(terminal)
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@terminal = terminal
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@terminal[:spawn_command] ||= @terminal.style(:blue, nil, :bold)
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end
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def format(event, output, verbose: false, width: 80)
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environment, arguments, options = event.values_at(:environment, :arguments, :options)
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arguments = arguments.flatten.collect(&:to_s)
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output.puts "#{@terminal[:spawn_command]}#{arguments.join(' ')}#{@terminal.reset}#{chdir_string(options)}"
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if verbose and environment
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environment.each do |key, value|
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output.puts "export #{key}=#{value}"
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end
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end
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end
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private
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def chdir_string(options)
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if options and chdir = options[:chdir]
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" in #{chdir}"
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end
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end
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end
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end
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end
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end
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@@ -0,0 +1,83 @@
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# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2019-2024, by Samuel Williams.
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require "io/console"
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module Console
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# Styled terminal output.
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module Terminal
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class Text
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def initialize(output)
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@output = output
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@styles = {reset: self.reset}
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end
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def [] key
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@styles[key]
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end
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def []= key, value
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@styles[key] = value
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end
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def colors?
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false
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end
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def width
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80
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end
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def style(foreground, background = nil, *attributes)
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end
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def reset
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end
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def write(*arguments, style: nil)
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if style and prefix = self[style]
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@output.write(prefix)
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@output.write(*arguments)
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@output.write(self.reset)
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else
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@output.write(*arguments)
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end
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end
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def puts(*arguments, style: nil)
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if style and prefix = self[style]
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@output.write(prefix)
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@output.puts(*arguments)
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@output.write(self.reset)
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else
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@output.puts(*arguments)
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end
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end
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# Print out the given arguments.
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# When the argument is a symbol, look up the style and inject it into the output stream.
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# When the argument is a proc/lambda, call it with self as the argument.
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# When the argument is anything else, write it directly to the output.
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def print(*arguments)
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arguments.each do |argument|
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case argument
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when Symbol
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@output.write(self[argument])
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when Proc
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argument.call(self)
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else
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@output.write(argument)
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end
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end
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end
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# Print out the arguments as per {#print}, followed by the reset sequence and a newline.
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def print_line(*arguments)
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print(*arguments)
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@output.puts(self.reset)
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end
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end
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end
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end
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@@ -0,0 +1,76 @@
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# frozen_string_literal: true
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# Released under the MIT License.
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# Copyright, 2019-2024, by Samuel Williams.
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require "io/console"
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require_relative "text"
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module Console
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# Styled terminal output.
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module Terminal
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class XTerm < Text
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COLORS = {
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black: 0,
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red: 1,
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green: 2,
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yellow: 3,
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blue: 4,
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magenta: 5,
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cyan: 6,
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white: 7,
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default: 9,
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}.freeze
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ATTRIBUTES = {
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normal: 0,
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bold: 1,
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bright: 1,
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faint: 2,
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italic: 3,
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underline: 4,
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blink: 5,
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reverse: 7,
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hidden: 8,
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}.freeze
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def colors?
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true
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end
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def size
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@output.winsize
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rescue Errno::ENOTTY
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# Fake it...
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[24, 80]
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end
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def width
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size.last
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end
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def style(foreground, background = nil, *attributes)
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tokens = []
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if foreground
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tokens << 30 + COLORS.fetch(foreground)
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end
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if background
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tokens << 40 + COLORS.fetch(background)
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end
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attributes.each do |attribute|
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tokens << ATTRIBUTES.fetch(attribute){attribute.to_i}
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end
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return "\e[#{tokens.join(';')}m"
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end
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def reset
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"\e[0m"
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end
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end
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end
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end
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