Class: Platanus::Canned::ProfileManager::BProfile

Inherits:
Object
  • Object
show all
Defined in:
lib/platanus/canned.rb

Overview

Auxiliary class used by profile manager to store profiles.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_owner, _base, _def_test = :equals_int) ⇒ BProfile

The initializer takes another profile as rules base.



116
117
118
119
120
121
122
 
# File 'lib/platanus/canned.rb', line 116

def initialize(_owner, _base, _def_test=:equals_int)
  @owner = _owner
  @rules = Hash.new { |h, k| h[k] = [] }
  _base.rules.each { |k, tests| @rules[k] = tests.clone } unless _base.nil?
  raise Error.new 'Must provide a default test' if _def_test.nil?
  @def_test = _def_test
end

Instance Attribute Details

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



113
114
115
 
# File 'lib/platanus/canned.rb', line 113

def rules
  @rules
end

Instance Method Details

#ability(*_args) ⇒ Object

Adds a new ability.



125
126
127
128
129
130
131
132
133
134
 
# File 'lib/platanus/canned.rb', line 125

def ability(*_args)
  tests = {}
  if _args.last.is_a? Hash
    _args[1...-1].each { |sym| tests[sym] = {} }
    tests.merge!(_args.last)
  else
    _args[1..-1].each { |sym| tests[sym] = {} }
  end
  @rules[_args.first] << tests
end

#clean(_name) ⇒ Object

Removes an action by its name.



137
138
139
 
# File 'lib/platanus/canned.rb', line 137

def clean(_name)
  @rules.delete(_name)
end

#test(_action, _action_feats, _user_feats) ⇒ Object

Test an action agaist this profile



142
143
144
145
146
147
148
149
150
151
 
# File 'lib/platanus/canned.rb', line 142

def test(_action, _action_feats, _user_feats)
  return false unless @rules.has_key? _action

  # if any of the test groups passes, then test is passed.
  @rules[_action].each do |tests|
    return true if self.test_aux(tests, _action_feats, _user_feats)
  end

  return false
end

#test_aux(_tests, _action_feats, _user_feats) ⇒ Object

Run a test group over a set of features



154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
 
# File 'lib/platanus/canned.rb', line 154

def test_aux(_tests, _action_feats, _user_feats)

  _tests.each do |sym, test|

    # extract action feature
    action_feat = _action_feats[sym]

    # special "nil" test
    test_name = test.fetch(:test, @def_test)
    if test_name == :nil
      return false unless action_feat.nil?
      next
    end

    # make sure action feat is avaliable
    return false if action_feat.nil?

    # extract user feature
    if test.has_key? :value
      user_feat = test[:value]
    else
      user_feat = _user_feats[test.fetch(:key, sym)]
      # TODO: maybe the following tests belong to the "compare features" section
      return false if user_feat.nil?
      next if user_feat == :wildcard # Wildcard matches always
    end

    # compare features.
    case test_name
    when :equals;     return false unless user_feat == action_feat
    when :equals_int; return false unless user_feat.to_i == action_feat.to_i
    when :if_higher;  return false unless user_feat > action_feat
    when :if_lower;   return false unless user_feat < action_feat
    else
      # call custom test
      if @owner.respond_to? test_name
        return false unless @owner.send(test_name, action_feat, user_feat)
      end
    end
  end

  return true
end