Class: Rpub::Book

Inherits:

Object

• Object
• Rpub::Book

show all

Extended by:

Forwardable

Includes:

Enumerable

Defined in:

lib/rpub/book.rb

Overview

Instance Attribute Summary (collapse)

• - (Array<Chapter>) chapters readonly

  List of chapters, one for every input markdown file.

Instance Method Summary (collapse)

• - (Object) add_chapter(content) (also: #<<)

  Add textual content as a new Chapter to this book.

• - (Object) each(&block)
• - (String) filename

  Output filename for epub, based on the book title and version number.

• - (Boolean) has_cover?
• - (Boolean) has_fonts?
• - (Boolean) has_toc?
• - (Object) images
• - (Book) initialize(context) constructor

  A new instance of Book.

• - (Object) outline
• - (String) uid

  Unique identifier for this entire book to be used in the epub manifest files.

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# File 'lib/rpub/book.rb', line 14

def initialize(context)
  @chapters = []
  @context = context
  @context.chapter_files.each(&method(:<<))
end

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# File 'lib/rpub/book.rb', line 12

def chapters
  @chapters
end

book << 'foo' << 'bar'

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# File 'lib/rpub/book.rb', line 52

def add_chapter(content)
  chapters << Chapter.new(content, chapters.size, layout)
  self
end

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# File 'lib/rpub/book.rb', line 20

def each(&block)
  chapters.each(&block)
end

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# File 'lib/rpub/book.rb', line 66

def filename
  @filename ||= [config.title, config.version].join('-').gsub(/[^\w\.]/i, '-').squeeze('-').downcase.chomp('-') + '.epub'
end

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# File 'lib/rpub/book.rb', line 32

def has_cover?
  !!config.cover_image
end

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# File 'lib/rpub/book.rb', line 24

def has_fonts?
  fonts.any?
end

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# File 'lib/rpub/book.rb', line 28

def has_toc?
  !!config.toc
end

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# File 'lib/rpub/book.rb', line 40

def images
  map { |chapter| chapter.images }.flatten.uniq
end

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# File 'lib/rpub/book.rb', line 36

def outline
  inject([]) { |all, chapter| all << [chapter.filename, chapter.outline] }
end

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# File 'lib/rpub/book.rb', line 60

def uid
  @uid ||= Digest::SHA1.hexdigest [config.inspect, map(&:uid)].join
end