Class: Recipe

Inherits:
Object
  • Object
show all
Defined in:
lib/baker/bakerlib.rb

Overview

Recipe is the datastore class for the task list managed by baker

Responsible for:

- Parsing a md file into a Recipe
- Serialization back into a md file

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#steps ⇒ Object

Array of ‘RecipeStep`s



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# File 'lib/baker/bakerlib.rb', line 13

def steps
  @steps
end

Class Method Details

.from_s(s) ⇒ Object 



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# File 'lib/baker/bakerlib.rb', line 15

def self.from_s(s)

  j = Recipe.new
  j.steps = []
  
  next_day = []
  multiline_ruby = nil
  s.each_line { |line|

    if multiline_ruby
      if line =~ /^\s*```/
        
        multiline_ruby[:lines] << line

        j.steps << RecipeStep.new(
          multiline_ruby[:lines], 
          type: :ruby, 
          task_marker: multiline_ruby[:task_marker], 
          command: multiline_ruby[:command].join, 
          description: multiline_ruby[:description])
        
        multiline_ruby = nil

      else
        multiline_ruby[:lines] << line
        multiline_ruby[:command] << line
      end
      next
    end

    if line =~ /^::(\w*?)(?:\[(.*?)\])?(?:\{(.*)\})?\s*$/
      directive = $1.downcase
      content = $2
      attributes = $3

      # puts "Directive: '#{directive}' - Content: '#{content}' Attributes: '#{attributes}'"

      case directive
      when "template"
        j.steps << RecipeStep.new(line, type: :directive, directive_type: :template, content: content, attributes: attributes)
      when "template_source"
        j.steps << RecipeStep.new(line, type: :directive, directive_type: :template_source, content: content, attributes: attributes)
      when "var"
        j.steps << RecipeStep.new(line, type: :directive, directive_type: :var, content: content, attributes: attributes)
      when "cd"
        j.steps << RecipeStep.new(line, type: :directive, directive_type: :cd, content: content)
      else
        raise "Unknown directive: #{directive}"
      end

    elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(?:(.*?):)?\s*`([^`]+)`/

      j.steps << RecipeStep.new(line, type: :shell, task_marker: $2, command: $4, description: $3)

    elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(?:(.*?):)?\s*``([^`]+)``/

      j.steps << RecipeStep.new(line, type: :ruby, task_marker: $2, command: $4, description: $3)

    elsif line =~ /^\s*(-\s+)?\[(.)\]\s(?:(.*?):)?\s*```(.*$)/m
    
      multiline_ruby = {lines: [line], task_marker: $2, description: $3, command: [$4]}
      
    elsif line =~ /^\s*(-\s+)?\[(.)\]\s*(.*)/

      j.steps << RecipeStep.new(line, type: :manual, task_marker: $2, description: $3)
    
    else
      j.steps << RecipeStep.new(line, type: :nop)
    end
  }

  return j
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/baker/bakerlib.rb', line 89

def to_s
  result = []

  empty = false
  steps.each { |step| 
    if step.lines.empty? 
      empty = true
    else
      # if we encountered a deleted line (empty array), we skip all blank lines until we encounter a non-blank line
      if empty && step.lines.all? { |line| line.strip.size == 0 }
        # nothing
      else
        empty = false
        result << step.to_s
      end
    end
  }

  return result.join # + (empty ? "" : "\n")
end