Class: PicsolveDockerBuilder::Helpers::Config::VariableObject

Inherits:
Object
  • Object
show all
Defined in:
lib/picsolve_docker_builder/helpers/config/variable_object.rb

Overview

represents a config string that contains variables

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ VariableObject

Returns a new instance of VariableObject.



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 64

def initialize(str)
  @str = str
end

Class Method Details

.regex ⇒ Object 



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 11

def self.regex
  /\$\{[^\}]*\}/
end

.regex_full ⇒ Object

Regex that finds variabales



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 7

def self.regex_full
  /^\$\{([^\}]*)\}$/
end

.replace_string(obj) ⇒ Object

Checks if a string needs to be replaced by an VariableObject



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 16

def self.replace_string(obj)
  return obj unless VariableObject.regex.match(obj)
  VariableObject.new(obj)
end

Instance Method Details

#create_list ⇒ Object

Split the strings accordingly



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 26

def create_list
  lst = split_list
  replace_variables(lst)
end

#inspect ⇒ Object 



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 48

def inspect
  "<#VariableObject#{list}>"
end

#list ⇒ Object 



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 21

def list
  @list ||= create_list
end

#replace_variables(list) ⇒ Object

Replace variables



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 32

def replace_variables(list)
  list.map! do |elem|
    m = elem.match(VariableObject.regex_full)
    if m
      "var=#{m[1]}"
    else
      elem
    end
  end
end

#split_list(existing_list = []) ⇒ Object

Split the strings accordingly



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 53

def split_list(existing_list = [])
  if existing_list.length == 0
    str = @str
  else
    str = existing_list.pop
    return existing_list if str.length == 0
  end
  list = existing_list + str.partition(VariableObject.regex)
  split_list(list)
end

#to_s ⇒ Object 



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# File 'lib/picsolve_docker_builder/helpers/config/variable_object.rb', line 43

def to_s
  # TODO: implement var evaluation here
  "<#VariableObject#{list}>"
end