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rouge.rb

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 3475ae3

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rouge.rb

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# -*- coding: utf-8 -*- #

# frozen_string_literal: true

# stdlib

require 'pathname'

# The containing module for Rouge

module Rouge

# cache value in a constant since `__dir__` allocates a new string

# on every call.

LIB_DIR = __dir__.freeze

class << self

def reload!

Object::send :remove_const, :Rouge

Kernel::load __FILE__

end

# Highlight some text with a given lexer and formatter.

#

# @example

# Rouge.highlight('@foo = 1', 'ruby', 'html')

# Rouge.highlight('var foo = 1;', 'js', 'terminal256')

#

# # streaming - chunks become available as they are lexed

# Rouge.highlight(large_string, 'ruby', 'html') do |chunk|

# $stdout.print chunk

# end

def highlight(text, lexer, formatter, &b)

lexer = Lexer.find(lexer) unless lexer.respond_to? :lex

raise "unknown lexer #{lexer}" unless lexer

formatter = Formatter.find(formatter) unless formatter.respond_to? :format

raise "unknown formatter #{formatter}" unless formatter

formatter.format(lexer.lex(text), &b)

end

# Load a file relative to the `lib/rouge` path.

#

# @api private

def load_file(path)

Kernel::load File.join(LIB_DIR, "rouge/#{path}.rb")

end

# Load the lexers in the `lib/rouge/lexers` directory.

#

# @api private

def load_lexers

# The trailing slash is necessary to avoid lexers being loaded multiple

# times by `Lexers.load_lexer`

lexer_dir = File.join(LIB_DIR, "rouge/lexers/")

Dir.glob(File.join(lexer_dir, '*.rb')).each do |f|

Lexers.load_lexer(f.sub(lexer_dir, ''))

end

end

end

end

Rouge.load_file 'version'

Rouge.load_file 'util'

Rouge.load_file 'text_analyzer'

Rouge.load_file 'token'

Rouge.load_file 'lexer'

Rouge.load_file 'regex_lexer'

Rouge.load_file 'template_lexer'

Rouge.load_lexers

Rouge.load_file 'guesser'

Rouge.load_file 'guessers/util'

Rouge.load_file 'guessers/glob_mapping'

Rouge.load_file 'guessers/modeline'

Rouge.load_file 'guessers/filename'

Rouge.load_file 'guessers/mimetype'

Rouge.load_file 'guessers/source'

Rouge.load_file 'guessers/disambiguation'

Rouge.load_file 'formatter'

Rouge.load_file 'formatters/html'

Rouge.load_file 'formatters/html_table'

Rouge.load_file 'formatters/html_pygments'

Rouge.load_file 'formatters/html_legacy'

Rouge.load_file 'formatters/html_linewise'

Rouge.load_file 'formatters/html_line_highlighter'

Rouge.load_file 'formatters/html_line_table'

Rouge.load_file 'formatters/html_inline'

Rouge.load_file 'formatters/terminal256'

Rouge.load_file 'formatters/terminal_truecolor'

Rouge.load_file 'formatters/tex'

Rouge.load_file 'formatters/null'

Rouge.load_file 'theme'

Rouge.load_file 'tex_theme_renderer'

Rouge.load_file 'themes/thankful_eyes'

Rouge.load_file 'themes/colorful'

Rouge.load_file 'themes/base16'

Rouge.load_file 'themes/github'

Rouge.load_file 'themes/igor_pro'

Rouge.load_file 'themes/monokai'

Rouge.load_file 'themes/molokai'

Rouge.load_file 'themes/monokai_sublime'

Rouge.load_file 'themes/gruvbox'

Rouge.load_file 'themes/tulip'

Rouge.load_file 'themes/pastie'

Rouge.load_file 'themes/bw'

Rouge.load_file 'themes/magritte'