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)
  @preparations = []
  @properties  = []
  @parameters  = []
  @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

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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

def parameters
  @parameters
end

#preparations ⇒ Object (readonly)

Returns the value of attribute preparations.



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

def preparations
  @preparations
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

Instance Method Details

#_add_code(lines, hash, key) ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 238

def _add_code(lines, hash, key)
  if hash.key?(key)
    code = hash[key]
    n    = hash['linenum'] - 1
    code.each_line { |line| lines[n += 1] = line.chomp }
    lines[n] = lines[n] + ';'
  end
end

#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
  # preparation
  if code = ydoc['preparation*']
    linenum = parser.path_linenum('/preparation*')
    @preparations << { 'code'=>code, 'linenum'=>linenum+1 }
  end
  # properties, parameters
  [ 'properties', 'parameters' ].each do |part|
    next unless ydoc[part]
    list = part == 'properties' ? @properties : @parameters
    ydoc[part].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)
        linenum = parser.path_linenum("/#{part}/#{i}/#{name}")
        vkey = name[-1] == ?* ? 'value*' : '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, 'linenum'=>linenum }
        h.update(opts)
        list << h
      end
    end
  end
  # materials
  if list = ydoc['materials']
    @materials += list
  end
  # recipes
  if list = ydoc['recipes']
    list.each_with_index do |hash, i|
      if hash['method*']
        linenum = parser.path_linenum("/recipes/#{i}/method*")
        hash['linenum'] = linenum+1
      end
      if hash['params']
        list = []
        hash['params'].each_with_index do |params, n|
          params.each do |name, val|
            linenum = parser.path_linenum("/recipes/#{i}/params/#{n}/#{name}")
            list << { 'name'=>name, 'value'=>val, 'linenum'=>linenum }
          end
        end
        hash['params'] = list
      end
      @recipes << hash
    end
  end
end

#preparation ⇒ Object 



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

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

#validate_rubycode ⇒ Object 



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# File 'lib/rook/cookbook.rb', line 197

def validate_rubycode
  lines = []
  @preparations.each do |hash|
    _add_code(lines, hash, 'code')
  end if @preparations
  @properties.each do |hash|
    _add_code(lines, hash, 'value*') if hash.key?('value*')
  end if @properties
  @parameters.each do |hash|
    _add_code(lines, hash, 'value*') if hash.key?('value*')
  end if @parameters
  @recipes.each do |hash|
    _add_code(lines, hash, 'method*') if hash.key?('method*')
    hash['params'].each do |h|
      name = h['name']
      _add_code(lines, h, 'value') if name[-1] == ?*
    end if hash.key?('params')
  end if @recipes
  #
  lines.shift      # ignore first item
  code = ''
  lines.each do |line|
    code << (line || "") << "\n"
  end
  tmpfilename = "#{@bookname}."   # or user tmpfile library
  begin
    File.open(tmpfilename, 'w') { |f| f.write(code) }
    #case RUBY_PLATFORM
    #when /linux/, /bsd/, /darwin/, /cygwin/
      out = `ruby -wc #{tmpfilename} 2>&1`
      puts out.gsub(/^#{tmpfilename}/, bookname)
    #else
    #  system "ruby -wc #{tmpfilename}"
    #end
  ensure
    File.unlink(tmpfilename) if test(?f, tmpfilename)
  end

end