Class: FileTemplater::FileActions

Inherits:
Object
  • Object
show all
Defined in:
lib/file_templater/file_actions.rb

Class Method Summary collapse

Class Method Details

.add(path) ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 10

def add(path)
  expanded = File.expand_path(path)
  # Three cases of what we are adding can arise:
  # file of the template being added
  # directory of the template being added
  # binding of the template being added
  type = File.directory?(expanded) ? :directory : (expanded.end_with?(".rb") ? :binding : :file)
  hub = (type == :binding ? :binding : :template)

  if type == :file
    # If the file we are adding is a single file,
    # make a directory and put the file in it.
    expanded_sans_extension = File.join(HUBS[hub], File.basename(expanded, ".*"))
    FileUtils.mkdir(expanded_sans_extension)
    FileUtils.copy_entry(expanded, File.join(expanded_sans_extension, File.basename(expanded)))
  elsif type == :binding
    # If we are adding a binding,
    # we need to modify the code to work with our system.
    output_file = File.open(File.join(HUBS[hub], File.basename(expanded)), "w")

    output_file.print "module Bindings\n"
    File.open(expanded, "r").each do |line|
      if line.lstrip.start_with?("class ")
        output_file.print(line + "def get_binding\nbinding\nend\n")
      else
        output_file.print line
      end
    end
    output_file.print "end\n"

    output_file.close

    # We will save the original file just in case.
    FileUtils.copy_entry(expanded, File.join(HUBS[:original], File.basename(expanded)))
  else
    FileUtils.copy_entry(expanded, File.join(HUBS[hub], File.basename(expanded)))
  end
end

.combined_list ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 106

def combined_list
  list_templates + list_bindings
end

.copy(path) ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 94

def copy(path)
  if File.exist?(path)
    puts "A file of this name already exists.\nPlease remove it, or else this command will not work."
    return
  end

  # This code is very similar to that of remove.
  copying_template = !(path.end_with?(".rb") && File.exist?(File.join(HUBS[:binding], path)))

  FileUtils.copy_entry(File.join(HUBS[copying_template ? :template : :original], path), path)
end

.create_hub_if_necessary ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 4

def create_hub_if_necessary
  HUBS.each do |k, v|
    Dir.mkdir(v) unless Dir.exists?(v)
  end
end

.get_class_name(file) ⇒ Object

Returns the first class name in file.



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# File 'lib/file_templater/file_actions.rb', line 123

def get_class_name(file)
        File.open(file, "r").each do |line|
          # The name will be the second word of the class statement.
        if line.lstrip.start_with?("class ")
            return line.split(" ")[1]
        end
    end
end

.list ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 67

def list
  # In our list, we want to indicate if a template does not have a corresponding binding.
  # As a result, we should list like so:
  # Template    Binding
  # example     example.rb
  Terminal::Table.new do |t|
    templates = list_templates.sort
    bindings = list_bindings.sort

    # table header
    t.add_row ["Template", "Binding"]
    t.add_separator

    templates.each do |tm|
      bind = tm + ".rb"
      bind = nil unless bindings.include?(bind)
      bindings.delete(bind) if bind

      t.add_row [tm, bind]
    end

    bindings.each do |b|
      t.add_row [nil, b]
    end
  end
end

.list_bindings ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 114

def list_bindings
  unique_directory_list(HUBS[:binding])
end

.list_templates ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 110

def list_templates
  unique_directory_list(HUBS[:template])
end

.remove(path) ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 49

def remove(path)
  removing_template = !path.end_with?(".rb")

  unless removing_template
    # Remove the associated binding.
    begin
      FileUtils.remove_file(File.join(HUBS[:binding], path))
      FileUtils.remove_file(File.join(HUBS[:original], path))
    rescue StandardError
      # If we failed to remove one of these files, try to remove a template by the same name.
      removing_template = true
    end
  end

  # Remove the associated template.
  FileUtils.remove_dir(File.join(HUBS[:template], path), true) if removing_template
end

.require_binding(bind) ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 118

def require_binding(bind)
  require File.join(HUBS[:binding], bind)
end

.unique_directory_list(path) ⇒ Object 



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# File 'lib/file_templater/file_actions.rb', line 132

def unique_directory_list(path)
  Dir.entries(path).reject { |d| d == "." || d == ".." }
end