Class: Transdifflation::YAMLReader

Inherits:
Object
  • Object
show all
Defined in:
lib/transdifflation/yaml_reader.rb

Overview

Reads YAML from the specified source

Class Method Summary collapse

Class Method Details

.read_YAML_from_filesystem(path_to_yaml_relative_from_rails_root) ⇒ Object

Get YAML content from a file in filesystem

Parameters:

  • path_to_yaml_relative_from_rails_root (String) —

    Tag name this file will be intalled on host

Raises:

  • (ArgumentError) 


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# File 'lib/transdifflation/yaml_reader.rb', line 28

def self.read_YAML_from_filesystem(path_to_yaml_relative_from_rails_root)

  #get the file
  yaml_file_path = File.realpath(path_to_yaml_relative_from_rails_root, Rails.root)
  yaml_file_name = File.basename( yaml_file_path )
  raise ArgumentError.new("File '#{yaml_file_name}' does not exists in path '#{yaml_file_path}'") if (!File.file?(yaml_file_path))

  #read the yml content file
  get_YAML_content_from_YAML_file(yaml_file_path)
end

.read_YAML_from_gem(gem_name, file_path_to_yaml_in_gem) ⇒ Object

Get YAML content from a gem

Parameters:

  • gem_name (String) —

    Installed gem’s name

  • file_path_to_yaml_in_gem (String) —

    Path of the file inside gem’s source code

Raises:

  • (ArgumentError) 


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# File 'lib/transdifflation/yaml_reader.rb', line 9

def self.read_YAML_from_gem(gem_name, file_path_to_yaml_in_gem)

  #get where the gem is localized

  gem_SRC =`bundle show #{gem_name}`.chomp

  raise ArgumentError.new("Gem '#{gem_name}' not installed") if ($?.to_i != 0)  #get return code and check if is different from zero

  #get the file within the gem
  yaml_file_in_gem_SRC = File.join( gem_SRC, file_path_to_yaml_in_gem )
  raise ArgumentError.new("File '#{file_path_to_yaml_in_gem}' does not exists in gem '#{gem_name}'") if (!File.file?(yaml_file_in_gem_SRC))

  #read the yml content file
  get_YAML_content_from_YAML_file(yaml_file_in_gem_SRC)
end

.read_YAML_from_pathfile(path_to_yaml) ⇒ Object

Get YAML content from a file in filesystem

Parameters:

  • path_to_yaml (String) —

    Tag name this file will be intalled on host

Raises:

  • (ArgumentError) 


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# File 'lib/transdifflation/yaml_reader.rb', line 42

def self.read_YAML_from_pathfile(path_to_yaml)

  #get the file
  yaml_file_name = File.basename( path_to_yaml )
  raise ArgumentError.new("File '#{yaml_file_name}' does not exists in path '#{path_to_yaml}'") if (!File.file?(path_to_yaml))

  #read the yml content file
  get_YAML_content_from_YAML_file(path_to_yaml)
end