Class: AI::Highlighter

Inherits:
Object
  • Object
show all
Defined in:
lib/highlighter.rb

Overview

── Streaming syntax highlighter ─────────────────────────────────────

Constant Summary collapse

R = 
"\e[0m"
OPENERS = 
{ "(" => ")", "[" => "]", "{" => "}" }.freeze
CLOSERS = 
OPENERS.invert.freeze
PINK = 
[255, 128, 170].freeze
PURPLE = 
[204, 153, 255].freeze
SALMON = 
[250, 128, 114].freeze
BROWN = 
[196, 168, 130].freeze
BG = 
[40, 42, 54].freeze
TAG_DELIM = 
"38;2;170;255;220"
TAG_NAME = 
"38;2;200;240;215"
STRING = 
"38;2;195;255;195"
NUM_FG = 
183
SYMS = 
{ ":" => 159, ";" => 159, "@" => 229, "^" => 229, "&" => 229,
"*" => 229, "-" => 180, "+" => 180, "." => 180, "," => 180,
"!" => 210, "~" => 217, "'" => 217 }.freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Highlighter

Returns a new instance of Highlighter.



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# File 'lib/highlighter.rb', line 20

def initialize
  @col = 0; @at_line_start = true
  @mode = nil
  @slash = false; @star = false
  @in_string = false; @escape = false
  @brackets = []; @in_word = false
  @tag_state = nil; @tag_buf = +""; @tag_width = 0
end

Instance Method Details

#paint(text) ⇒ Object 



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# File 'lib/highlighter.rb', line 29

def paint(text)
  out = +""
  text.each_char do |c|
    if c == "\n" then out << newline
    else out << paint_char(c); @col += 1
    end
  end
  out
end