Class: Dispersion::Formatters::ANSI

Inherits:
Object
  • Object
show all
Defined in:
lib/dispersion/formatters/ansi.rb

Constant Summary collapse

Regular = 
"\e[22m"
Bold = 
"\e[1m"
Faint = 
"\e[2m"
Reset = 
"\e[0m"
Italic = 
"\e[3m"
Underline = 
"\e[4m"
Black =

Basic Colors

"\e[30m"
Red = 
"\e[31m"
Green = 
"\e[32m"
Yellow = 
"\e[33m"
Blue = 
"\e[34m"
Magenta = 
"\e[35m"
Cyan = 
"\e[36m"
White = 
"\e[37m"
BrightBlack =

Bright Colors

"\e[90m"
BrightRed = 
"\e[91m"
BrightGreen = 
"\e[92m"
BrightYellow = 
"\e[93m"
BrightBlue = 
"\e[94m"
BrightMagenta = 
"\e[95m"
BrightCyan = 
"\e[96m"
BrightWhite = 
"\e[97m"
DEFAULT_ANSI = 
{
	call: Red,
	string: Yellow,
	keyword: Cyan,
	comment: Italic + Magenta,
	var: "",
	constant: Blue,
	ivar: Blue,
	symbol: Green,
	numeric: Green,
	bracket: "",
	operator: "\e[36m",
}

Instance Method Summary collapse

Constructor Details

#initialize(code, annotations:, theme:) ⇒ ANSI

Returns a new instance of ANSI.



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# File 'lib/dispersion/formatters/ansi.rb', line 47

def initialize(code, annotations:, theme:)
	@code = code
	@annotations = annotations
	@marks = DEFAULT_ANSI
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/dispersion/formatters/ansi.rb', line 53

def call
	lines = @code.lines
	current_symbol = nil
	buffer = +""

	lines.each_with_index do |line, line_number|
		cursor = 0

		@annotations[line_number].each do |(symbol, column)|
			buffer << line[cursor...column]
			cursor = column

			# Always reset the current symbol
			if current_symbol
				buffer << Reset
				current_symbol = nil
			end

			unless symbol == :reset
				buffer << @marks.fetch(symbol)
				current_symbol = symbol
			end
		end

		buffer << line[cursor..]
	end

	if current_symbol
		buffer << Reset
		current_symbol = nil
	end

	buffer.gsub(/\t/, "  ")
end