Class: MyHelp::Org2Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/my_help/org2hash.rb

Overview

get org and trans it to hash by FSM

Constant Summary collapse

TRANSITIONS =

current_state => [ new_state, action ]

{
  :header_read => {
    "* " => [:contents_read, :start_new_item],
    :default => [:header_read, :ignore],
  },
  :contents_read => {
    "* " => [:contents_read, :start_new_item],
    :default => [:contents_read, :add_contents],
  },
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(org_text) ⇒ Org2Hash

Returns a new instance of Org2Hash.



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# File 'lib/my_help/org2hash.rb', line 17

def initialize(org_text)
  @text = org_text
  @contents = Hash.new
  simple_fsm()
end

Instance Attribute Details

#contents ⇒ Object

Returns the value of attribute contents.



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# File 'lib/my_help/org2hash.rb', line 4

def contents
  @contents
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/my_help/org2hash.rb', line 4

def text
  @text
end

Instance Method Details

#read_item(line) ⇒ Object 



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# File 'lib/my_help/org2hash.rb', line 41

def read_item(line)
  m = line.match(/\* (.+)/)
  m ? m[1] : nil
end

#simple_fsm ⇒ Object 



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# File 'lib/my_help/org2hash.rb', line 23

def simple_fsm()
  state = :header_read
  item = ""
  @text.split("\n").each do |line|
    next if line.size < 1
    state, action = TRANSITIONS[state][line[0..1]] ||
                    TRANSITIONS[state][:default]
    case action
    when :ignore
    when :start_new_item
      item = read_item(line)
      @contents[item] = ""
    when :add_contents
      @contents[item] += line + "\n"
    end
  end
end