Class: Riven::MarkupFile

Inherits:
Object
  • Object
show all
Defined in:
lib/riven/markup_file.rb

Overview

Represents a MD File

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ MarkupFile

Constructor Also checks if the file exists. If not, an exception will be thrown.



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# File 'lib/riven/markup_file.rb', line 17

public def initialize(path)
  @path = File.expand_path(path)
  @dirname = Pathname.new(path).dirname

  unless File.exists?(@path)
    raise "File '#{path}' doesn't exist"
  end

  if File.directory?(@path)
    raise "Mixing files and directories is not allowed, sorry"
  end

  puts "Loading file: " + path
  @markup = "\n" + File.read(@path)
  rewrite_paths
  resolve_includes
end

Instance Attribute Details

#dirname ⇒ Object (readonly)

Returns the value of attribute dirname.



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# File 'lib/riven/markup_file.rb', line 9

def dirname
  @dirname
end

#markup ⇒ Object (readonly)

Returns the value of attribute markup.



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# File 'lib/riven/markup_file.rb', line 9

def markup
  @markup
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/riven/markup_file.rb', line 9

def path
  @path
end

Instance Method Details

#read_all(markup_files, except = []) ⇒ Object 



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# File 'lib/riven/markup_file.rb', line 84

public def read_all(markup_files, except = [])
  markup = ''

  markup_files = [markup_files] unless markup_files.respond_to?(:each)
  except = [except] unless except.respond_to?(:each)

  markup_files.each do |file|
    unless exclude?(except, file)
      markup << "\n" + file.markup
    end
  end

  markup
end

#read_cover(cover_file) ⇒ Object 



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# File 'lib/riven/markup_file.rb', line 99

public def read_cover(cover_file)
  cover_markup =  "\n////[COVERSTART]////\n"
  cover_markup << Riven::MarkupFile.read_all(cover_file)
  cover_markup << "\n////[COVEREND]////\n"
end

#remove_escape_sequences(markup) ⇒ Object

Removes the internal escape sequence



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# File 'lib/riven/markup_file.rb', line 114

public def remove_escape_sequences(markup)
  markup.gsub('¦', '')
end

#resolve_includes ⇒ Object

Recursive replace all includes with their respective file content



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# File 'lib/riven/markup_file.rb', line 40

public def resolve_includes
  loop do
    non_found = true

    @markup.gsub!(/(.)?<<\[\s*([^\]\s]+)\s*\]/) do |inc|
      if $1 == '_'
        # special secret escape sign, will be removed afterwards.
        # Required to avoid recursive substitution
        inc.gsub!('_', '¦')
        inc
      elsif $1 == '¦'
        inc
      else
        non_found = false
        ($1 ? $1 : '') + MarkupFile.new(@dirname.to_s + '/' + $2).markup
      end
    end

    break if non_found
  end
end

#rewrite_paths ⇒ Object

Prefixes all paths with the file basedir in order to make everything working across includes over different directories



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# File 'lib/riven/markup_file.rb', line 68

public def rewrite_paths
  @markup.gsub!(/\[([^\]]+)\]\(([^\)]+)\)/) do |match|
    label = $1
    ref = $2

    if ref =~ /^http(s)?/
      "[#{label}](#{ref})"
    else
      puts "    - Rewriting ref '#{ref}' to '#{@dirname}/#{ref}'"
      "[#{label}](#{@dirname}/#{ref})"
    end
  end
end