Class: Expansions::FileMerge

Inherits:
Object
  • Object
show all
Includes:
ArrayFu
Defined in:
lib/expansions/file_merge.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output_file) ⇒ FileMerge

Returns a new instance of FileMerge.



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# File 'lib/expansions/file_merge.rb', line 26

def initialize(output_file)
  super
  @output_file = output_file
  @read_original_contents = true
end

Instance Attribute Details

#read_original_contents ⇒ Object

Returns the value of attribute read_original_contents.



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# File 'lib/expansions/file_merge.rb', line 4

def read_original_contents
  @read_original_contents
end

Instance Method Details

#add_merge_file(items, file) ⇒ Object 



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# File 'lib/expansions/file_merge.rb', line 60

def add_merge_file(items,file)
  return if items.include?(file)
  items << file if File.exist?(file)
end

#dont_read_original_file_contents ⇒ Object 



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# File 'lib/expansions/file_merge.rb', line 32

def dont_read_original_file_contents
  @read_original_contents = false
end

#merge_files(source_files, target) ⇒ Object 



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# File 'lib/expansions/file_merge.rb', line 54

def merge_files(source_files,target)
  source_files.each do|source|
    write_contents(target,source) 
  end
end

#run ⇒ Object 



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# File 'lib/expansions/file_merge.rb', line 36

def run
  copy_name = File.join(File.dirname(@output_file),"copy_of_#{File.basename(@output_file)}")
  FileUtils.cp @output_file, copy_name if File.exist?(@output_file)
  FileUtils.rm_f @output_file
  File.open_for_write(@output_file) do |file|
    merge_files(@before_files,file)
    write_contents(file,copy_name) if @read_original_contents && File.exist?(copy_name)
    merge_files(@after_files,file)
  end
  FileUtils.rm_f copy_name if File.exist?(copy_name)
end

#write_contents(target_file_stream, file_to_read) ⇒ Object 



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# File 'lib/expansions/file_merge.rb', line 48

def write_contents(target_file_stream,file_to_read)
  File.open_for_read(file_to_read) do|line|
    target_file_stream << line
  end
end