Module: Scene7ize

Defined in:
lib/scene7ize.rb,
lib/scene7ize/cli.rb,
lib/scene7ize/version.rb

Defined Under Namespace

Classes: CLI

Constant Summary collapse

DEFAULT_REGEX =

DEFAULT_REGEX = /(?<=[(‘“])(?<dir_and_basename>((?!).)*).(?<ext>gif|jpg|jpeg|png)(?=)/i

/(?<dir_and_basename>((?!['"\)\(]).)*)\.(?<ext>gif|jpg|jpeg|png)(?=['"\)])/i
VERSION = 
"0.2.7"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.scene7prefix ⇒ Object

Returns the value of attribute scene7prefix.



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# File 'lib/scene7ize.rb', line 10

def scene7prefix
  @scene7prefix
end

Class Method Details

.parse_file(scene7prefix, input_file, output_file = nil, base_path = nil) ⇒ Object 



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# File 'lib/scene7ize.rb', line 54

def self.parse_file(scene7prefix, input_file, output_file = nil, base_path = nil)
  @scene7prefix = scene7prefix

  file_content = File.read(input_file)
  @input_file_path = File.dirname(input_file)
  @base_path = File.path(base_path) if base_path

  replacement = replace(file_content)

  output_file = input_file if output_file.nil?
  File.open(output_file, "w") { |file| file.puts replacement }

end

.replace(content) ⇒ Object 



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# File 'lib/scene7ize.rb', line 40

def self.replace(content)
  replacement = content.gsub(DEFAULT_REGEX) do |match|
    original_filename = "#{$~[:dir_and_basename]}.#{$~[:ext]}"

    puts "matching #{original_filename}"

    # reconstruct image path relative to input file and open
    image_filename = File.join(@base_path || @input_file_path, original_filename)

    self.scene7url_from(image_filename) || original_filename
  end
end

.scene7url_from(image_filename) ⇒ Object 



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# File 'lib/scene7ize.rb', line 12

def self.scene7url_from(image_filename)
  # TODO: error handling

  if !File.exists?(image_filename)
    puts "ERROR: Could not open #{image_filename}.  Leaving unchanged."
    return false
  end

  image = MiniMagick::Image.open(image_filename)

  suffix = case image[:format].downcase
    when 'jpg', 'jpeg'
      '&qlt=100'
    when 'png'
      '&fmt=png-alpha'
    when 'gif'
      '&fmt=gif-alpha'
    else
      ""
  end

  basename = File.basename(image_filename, File.extname(image_filename))

  # TODO: error handle  URI::InvalidURIError
  URI.join(self.scene7prefix, "#{basename}?wid=#{image[:width]}&hei=#{image[:height]}#{suffix}").to_s
end