Class: Rook::Cookbook

Inherits:
Object
  • Object
show all
Includes:
Assertion
Defined in:
lib/rook/cookbook.rb

Overview

represents cookbook

ex.

cookbooks, errors = Cookbook.load_yamlfile('Rookbook.yaml')
if errors && !errors.empty?
  puts "%d: [%s] %s" % [errors.linenum, errors.path, errors.message]
end

Constant Summary collapse

@@validator = 
CookbookValidator.new

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Assertion

#assert, #assert_failed

Constructor Details

#initialize(bookname = nil, load_yaml = true, expand_tab = true) ⇒ Cookbook

Returns a new instance of Cookbook.



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# File 'lib/rook/cookbook.rb', line 101

def initialize(bookname=nil, load_yaml=true, expand_tab=true)
  @precookings = []
  @properties  = []
  @variables   = []
  @materials   = []
  @recipes     = []
  @bookname    = bookname
  load_yamlfile(bookname, expand_tab) if bookname && load_yaml
end

Instance Attribute Details

#bookname ⇒ Object

Returns the value of attribute bookname.



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# File 'lib/rook/cookbook.rb', line 111

def bookname
  @bookname
end

#materials ⇒ Object (readonly)

Returns the value of attribute materials.



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# File 'lib/rook/cookbook.rb', line 110

def materials
  @materials
end

#precookings ⇒ Object (readonly)

Returns the value of attribute precookings.



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# File 'lib/rook/cookbook.rb', line 110

def precookings
  @precookings
end

#properties ⇒ Object (readonly)

Returns the value of attribute properties.



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# File 'lib/rook/cookbook.rb', line 110

def properties
  @properties
end

#recipes ⇒ Object (readonly)

Returns the value of attribute recipes.



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# File 'lib/rook/cookbook.rb', line 110

def recipes
  @recipes
end

#variables ⇒ Object (readonly)

Returns the value of attribute variables.



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# File 'lib/rook/cookbook.rb', line 110

def variables
  @variables
end

Instance Method Details

#load_yamlfile(bookname, tab_expand = true) ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 119

def load_yamlfile(bookname, tab_expand=true)
  yaml_str = File.read(bookname)
  yaml_str = Util.untabify(yaml_str) if tab_expand
  return load_yamlstr(yaml_str)
end

#load_yamlstr(yaml_str) ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 126

def load_yamlstr(yaml_str)
  parser = Kwalify::YamlParser.new(yaml_str)
  errors = []
  while parser.has_next?
    ydoc = parser.parse()
    next if ydoc.nil?
    errs = @@validator.validate(ydoc)
    if errs && !errs.empty?
      parser.set_errors_linenum(errs)
      errors += errs
    else
      load_ydoc(ydoc, parser)
    end
  end
  errors.empty?  or raise CookbookError.new("invalid cookbook", errors)
end

#load_ydoc(ydoc, parser = nil) ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 144

def load_ydoc(ydoc, parser=nil)
  ydoc = ydoc.dup
  #
  code = ydoc['precooking']
  ydoc['precookings'] = [ { 'code'=>code } ] if code
  #
  [ 'properties', 'variables' ].each do |key|
    next unless ydoc[key]
    list = []
    ydoc[key].each_with_index do |prop, i|
      opts = {}
      prop.keys.each do |k| opts[k.to_s] = prop[k] if k.is_a?(Symbol) end
      prop.each do |name, val|
        next unless name.is_a?(String)
        vkey = name[-1] == ?* ? 'expr' : 'value'
        #name[-1,1] = '' if name[-1] == ?*   # TypeError: can't modify frozen string
        name = name[0, name.length-1] if name[-1] == ?*
        h = { 'name'=>name, vkey=>val }
        h.update(opts)
        list << h
      end
    end
    ydoc[key] = list
  end
  #
  @precookings += _load_section(ydoc['precookings'], 'code', parser, 1) { |h, i| "/precooking" }
  @recipes     += _load_section(ydoc['recipes'],  'method', parser, 1) { |h, i| "/recipes/#{i}/method" }
  @properties  += _load_section(ydoc['properties*'], 'expr', parser, 0) { |h, i| "/properties*/#{i}/expr" }
  @variables   += _load_section(ydoc['variables*'], 'expr', parser, 0) { |h, i| "/variables*/#{i}/expr" }
  @properties  += _load_section(ydoc['properties'], 'expr', parser, 0) { |h, i| "/properties/#{i}/#{h['name']}*" }
  @variables   += _load_section(ydoc['variables'], 'expr', parser, 0) { |h, i| "/variables/#{i}/#{h['name']}*" }
  #
  list = ydoc['materials']
  @materials += list if list
end

#precooking ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 114

def precooking
  return @precookings.map { |hash| hash['code'] }.join("\n")
end