Class: Rouge::Lexers::Haml

Inherits:
RegexLexer show all
Includes:
Indentation
Defined in:
lib/rouge/lexers/haml.rb

Overview

A lexer for the Haml templating system for Ruby.

See Also:

Constant Summary

Constants inherited from RegexLexer

RegexLexer::MAX_NULL_SCANS

Constants included from Token::Tokens

Token::Tokens::Num, Token::Tokens::Str

Instance Attribute Summary collapse

Attributes inherited from Rouge::Lexer

#options

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Indentation

#indentation, #reset!, #starts_block

Methods inherited from RegexLexer

append, #delegate, get_state, #get_state, #goto, #group, #groups, #in_state?, #pop!, prepend, #push, #recurse, replace_state, #reset!, #reset_stack, #stack, start, start_procs, #state, state, #state?, state_definitions, states, #step, #stream_tokens, #token

Methods inherited from Rouge::Lexer

aliases, all, #as_bool, #as_lexer, #as_list, #as_string, #as_token, assert_utf8!, #bool_option, debug_enabled?, demo, demo_file, desc, disable_debug!, enable_debug!, filenames, find, find_fancy, guess, guess_by_filename, guess_by_mimetype, guess_by_source, guesses, #hash_option, #lex, lex, #lexer_option, #list_option, mimetypes, option, option_docs, #reset!, #stream_tokens, #string_option, tag, #tag, title, #token_option

Methods included from Token::Tokens

token

Constructor Details

#initialize(opts = {}) ⇒ Haml

Returns a new instance of Haml.

Parameters:

  • opts (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (opts):

  • :filters (Object) —

    A hash of filter name to lexer of how various filters should be highlighted. By default, :javascript, :css, :ruby, and :erb are supported.



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# File 'lib/rouge/lexers/haml.rb', line 29

def initialize(opts={})
  super

  default_filters = {
    'javascript' => Javascript.new(options),
    'css' => CSS.new(options),
    'ruby' => ruby,
    'erb' => ERB.new(options),
    'markdown' => Markdown.new(options),
    'sass' => Sass.new(options),
    # TODO
    # 'textile' => Textile.new(options),
    # 'maruku' => Maruku.new(options),
  }

  @filters = hash_option(:filters, default_filters) do |v|
    as_lexer(v) || PlainText.new(@options)
  end
end

Instance Attribute Details

#filters ⇒ Object (readonly)

Returns the value of attribute filters.



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# File 'lib/rouge/lexers/haml.rb', line 24

def filters
  @filters
end

Class Method Details

.analyze_text(text) ⇒ Object 



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# File 'lib/rouge/lexers/haml.rb', line 19

def self.analyze_text(text)
  return 0.1 if text.start_with? '!!!'
end

Instance Method Details

#html ⇒ Object 



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# File 'lib/rouge/lexers/haml.rb', line 53

def html
  @html ||= HTML.new(@options)
end

#ruby ⇒ Object 



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# File 'lib/rouge/lexers/haml.rb', line 49

def ruby
  @ruby ||= Ruby.new(@options)
end

#ruby!(state) ⇒ Object 



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# File 'lib/rouge/lexers/haml.rb', line 57

def ruby!(state)
  ruby.reset!
  push state
end