Class: Html2haml::Exec::HTML2Haml

Inherits:
Generic
  • Object
show all
Defined in:
lib/html2haml/exec.rb

Overview

The html2haml executable.

Instance Method Summary collapse

Methods inherited from Generic

#parse, #parse!, #to_s

Constructor Details

#initialize(args) ⇒ HTML2Haml

Returns a new instance of HTML2Haml.

Parameters:

  • args (Array<String>)

    The command-line arguments


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# File 'lib/html2haml/exec.rb', line 189

def initialize(args)
  super
  @module_opts = {}
end

Instance Method Details

#process_resultObject

Processes the options set by the command-line arguments, and runs the HTML compiler appropriately.


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# File 'lib/html2haml/exec.rb', line 233

def process_result
  super

  require 'html2haml/html'

  input = @options[:input]
  output = @options[:output]

  @module_opts[:erb] ||= input.respond_to?(:path) && input.path =~ /\.(rhtml|erb)$/
  @module_opts[:erb] &&= @options[:no_erb] != false

  output.write(HTML.new(input, @module_opts).render)
rescue ::Haml::Error => e
  raise "#{e.is_a?(::Haml::SyntaxError) ? "Syntax error" : "Error"} on line " +
    "#{get_line e}: #{e.message}"
rescue LoadError => err
  handle_load_error(err)
end

#set_opts(opts) ⇒ Object

Tells optparse how to parse the arguments.

Parameters:

  • opts (OptionParser)

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# File 'lib/html2haml/exec.rb', line 197

def set_opts(opts)
  opts.banner = <<END
Usage: html2haml [options] [INPUT] [OUTPUT]

Description: Transforms an HTML file into corresponding Haml code.

Options:
END

  opts.on('-e', '--erb', 'Parse ERB tags.') do
    @module_opts[:erb] = true
  end

  opts.on('--no-erb', "Don't parse ERB tags.") do
    @options[:no_erb] = true
  end

  opts.on("--html-attributes", "Use HTML style attributes instead of Ruby hash style.") do
    @module_opts[:html_style_attributes] = true
  end

  opts.on("--ruby19-attributes", "Use Ruby 1.9-style attributes when possible.") do
    @module_opts[:ruby19_style_attributes] = true
  end

  opts.on('-E ex[:in]', 'Specify the default external and internal character encodings.') do |encoding|
    external, internal = encoding.split(':')
    Encoding.default_external = external if external && !external.empty?
    Encoding.default_internal = internal if internal && !internal.empty?
  end

  super
end