Class: Rledger::Post

Inherits:
Object
  • Object
show all
Defined in:
lib/rledger/ledger/post.rb

Overview

Entry contains the specification of an operation on an account

Entries are the basis for Transactions.

We allow for operations with no amount, in which case the amount is computed from remaining entries in the Transaction (see the class Transaction)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Post

Returns a new instance of Post.



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# File 'lib/rledger/ledger/post.rb', line 15

def initialize
  @voice = ""
  @amount = Amount.new
  @comment = ""
end

Instance Attribute Details

#amount ⇒ Object

Returns the value of attribute amount.



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# File 'lib/rledger/ledger/post.rb', line 13

def amount
  @amount
end

#comment ⇒ Object

Returns the value of attribute comment.



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# File 'lib/rledger/ledger/post.rb', line 13

def comment
  @comment
end

#voice ⇒ Object

Returns the value of attribute voice.



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# File 'lib/rledger/ledger/post.rb', line 13

def voice
  @voice
end

Instance Method Details

#derived? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rledger/ledger/post.rb', line 41

def derived?
  @derived
end

#parse(s) ⇒ Object 



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# File 'lib/rledger/ledger/post.rb', line 21

def parse(s)
  voice = "([a-zA-Z:-_!@']+)"
  amount = "([^;]*|)"  # a regexp which allows to move to the next token
  comment = ";? ?(.*|)"
  b = "[\t ]+"
  ob = "[\t ]*"
  
  match = Regexp.new(b + voice + ob + amount + ob + comment).match(s)

  if match
    @voice = match[1]
    @amount.parse(match[2])
    @derived = match[2] == ""
    @comment = match[3]
    true
  else
    false
  end
end

#to_s ⇒ Object 



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# File 'lib/rledger/ledger/post.rb', line 45

def to_s
  "\t#{@voice}#{amount_to_s}\t#{comment_to_s}\n"
end