Class: DhEasy::Router::Parser

Inherits:

Object

• Object
• DhEasy::Router::Parser

Includes:

DhEasy::Router::Plugin::Router

Defined in:

lib/dh_easy/router/parser.rb

Overview

Parser router designed to look over page_type for route to the right

parser class.

Instance Attribute Summary

Attributes included from DhEasy::Router::Plugin::Router

#local_config

Instance Method Summary

• #route(opts = {}) ⇒ Object

  Execute the parser class with options as described by router configuration filtering by ‘page_type` and calling class’s instance ‘parse` method.

Methods included from DhEasy::Router::Plugin::Router

#class_defined?, #config, #get_class, #initialize, #initialize_hook_router_plugin_router

Instance Method Details

#route(opts = {}) ⇒ Object

Note:

Requires the route class to implement ‘parse` instance method.

Execute the parser class with options as described by router

configuration filtering by `page_type` and calling class's instance
`parse` method.

Parameters:

• opts (Hash) (defaults to: {}) —

  ({}) Parser initializer options (see DhEasy::Core::Plugin::Parser).

Raises:

• (ArgumentError) —

  ‘opts` is `nil`.

• (ArgumentError) —

  ‘page_type` doesn’t exists within routes.

• (NameError) —

  A class with name equal to route’s ‘class` attribute doesn’t exists.

# File 'lib/dh_easy/router/parser.rb', line 21

def route opts = {}
  context = opts[:context]
  if context.nil?
    raise ArgumentError.new('Must send a context to the parser.')
  end

  page_type = context.page['page_type'].strip.downcase
  class_name = nil
  config['parser']['routes'].each do |item|
    # Look for page type
    next if item['page_type'].strip.downcase != page_type

    # Validate class name
    executor_class = get_class item['class']
    if executor_class.nil?
      raise NameError.new("Class \"#{item['class']}\" doesn't exists, check your dh_easy config file.")
    end

    executor_class.new(opts).parse
    return
  end

  # Page type is not routed, raise an error.
  raise ArgumentError.new("Page type \"#{page_type}\" is not routed, check your dh_easy config file.")
end