Class: EmberRoutes::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/ember_routes/generator.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, context) ⇒ Generator

Returns a new instance of Generator.



26
27
28
29
30
 
# File 'lib/ember_routes/generator.rb', line 26

def initialize(config, context)
  @config = config
  @context = context
  @stack = []
end

Class Method Details

.args_to_hash(*args) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
 
# File 'lib/ember_routes/generator.rb', line 4

def self.args_to_hash(*args)
  parameters = {}
  if args.any?
    if args.is_a?(Array)
      parameters = args.reduce({}) { |carry, elem| carry.merge(elem) }
    else
      parameters = args
    end
  end
  parameters
end

.format_path(path, path_params, parameters) ⇒ Object 



16
17
18
19
20
21
22
23
24
 
# File 'lib/ember_routes/generator.rb', line 16

def self.format_path(path, path_params, parameters)
  path_params.each do |param_name|
    val = parameters[param_name.to_sym]
    raise "#{path} missing #{param_name}" unless val
    path = path.gsub(":"+param_name, val.to_s)
    parameters.delete(param_name.to_sym)
  end
  [path, parameters]
end

.underscore(camel_cased_word) ⇒ Object 



75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/ember_routes/generator.rb', line 75

def self.underscore(camel_cased_word)
  camel_cased_word.to_s
  .gsub(/^\//, '')
  .gsub(/\/$/, '')
  .gsub(/\//, '_')
  .gsub(/::/, '/')
  .gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
  .gsub(/([a-z\d])([A-Z])/,'\1_\2')
  .tr("-", "_")
  .downcase
end

Instance Method Details

#current_method ⇒ Object 



62
63
64
65
66
67
68
69
 
# File 'lib/ember_routes/generator.rb', line 62

def current_method
  if @stack.length > 1
    name = @stack[1..-1].map(&:name).join('_')
  else
    name = @stack.first.name
  end
  @config.prefix + name + "_path"
end

#current_path ⇒ Object 



71
72
73
 
# File 'lib/ember_routes/generator.rb', line 71

def current_path
  @stack.map(&:path).join('').gsub(/\/\//,'/')
end

#generate ⇒ Object 



32
33
34
35
 
# File 'lib/ember_routes/generator.rb', line 32

def generate
  @stack = []
  visit @config.root
end

#visit(route) ⇒ Object 



37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/ember_routes/generator.rb', line 37

def visit(route)
  @stack.push route
  path = @config.base_url + current_path
  path_params = path.scan(/:(\w+)/).map { |arr| arr[0] }
  helper = Proc.new { |*args|
    formatted_path = path
    if (args.length)
      formatted_path, parameters = Generator.format_path(path, path_params, Generator.args_to_hash(*args))
    end
    if parameters.any?
      formatted_path += "?" + URI.encode_www_form(parameters)
    end
    formatted_path
  }
  _method = current_method
  define_helper = Proc.new {
    define_method _method, helper
  }
  @context.class_eval &define_helper
  route.children.each do |child|
    visit(child)
  end
  @stack.pop
end