Class: Rossoc::Backend

Inherits:
Object
  • Object
show all
Defined in:
lib/rossoc/backend.rb

Overview

Backend

Defined Under Namespace

Classes: BackendError

Constant Summary collapse

RESERVED_TABLES = 
%w[mruby arduino dev].freeze

Instance Method Summary collapse

Constructor Details

#initialize(ir, output, overwrite_enable) ⇒ Backend 



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# File 'lib/rossoc/backend.rb', line 13

def initialize(ir, output, overwrite_enable)
  @ir = ir
  @output = output
  @content = nil
  @overwrite_enable = overwrite_enable
end

Instance Method Details

#generate ⇒ Object

Raises:



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# File 'lib/rossoc/backend.rb', line 20

def generate
  table = @ir[:table]
  raise BackendError, "unknown table value #{table}." if RESERVED_TABLES.index(table).nil?

  template = ERB.new(
    File.read("#{__dir__}#{File::SEPARATOR}views#{File::SEPARATOR}#{table}.erb"),
    trim_mode: 2
  )

  @content = template.result_with_hash(@ir)
end

#write ⇒ Object

Raises:



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# File 'lib/rossoc/backend.rb', line 32

def write
  raise BackendError, 'No content.' if @content.nil?

  if @output.blank?
    # ファイルが指定されていないとき標準出力
    puts @content
  else
    raise BackendError, "File exists #{@output}." if File.exist?(@output) && !@overwrite_enable

    file = File.open(@output, 'w')
    file.write(@content)
    file.close
  end
end