Class: Bibtex::Entry

Inherits:
Object
  • Object
show all
Defined in:
lib/bibtex/entry.rb

Overview

A single entry in a bibliography

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, key) ⇒ Entry

Returns a new instance of Entry.



7
8
9
10
11
 
# File 'lib/bibtex/entry.rb', line 7

def initialize(type, key)
  @type = type
  @key = key
  @fields = {}
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



5
6
7
 
# File 'lib/bibtex/entry.rb', line 5

def key
  @key
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



5
6
7
 
# File 'lib/bibtex/entry.rb', line 5

def type
  @type
end

Instance Method Details

#[](key) ⇒ Object 



21
22
23
24
25
26
27
28
 
# File 'lib/bibtex/entry.rb', line 21

def [](key)
  f = @fields[key]
  if f then
    f.value
  else
    raise "No field with key #{key}"
  end
end

#add_field(obj, value = nil) ⇒ Object 



13
14
15
16
17
18
19
 
# File 'lib/bibtex/entry.rb', line 13

def add_field(obj, value = nil)
  if obj.kind_of? Field then
    @fields[obj.key] = obj
  else
    @fields[obj] = Field.new(obj, value)
  end
end

#reject_fields(keys) ⇒ Object 



35
36
37
38
39
40
41
 
# File 'lib/bibtex/entry.rb', line 35

def reject_fields(keys)
  r = Entry.new(@type, @key)
  @fields.each do |k, f|
    r.add_field f unless keys.index k
  end
  return r
end

#select_fields(keys) ⇒ Object 



43
44
45
46
47
48
49
 
# File 'lib/bibtex/entry.rb', line 43

def select_fields(keys)
  r = Entry.new(@type, @key)
  @fields.each do |k, f|
    r.add_field f if keys.index k
  end
  return r
end

#to_s ⇒ Object 



30
31
32
33
 
# File 'lib/bibtex/entry.rb', line 30

def to_s
  fs = @fields.collect { |k, f| "  #{f.to_s}" }.sort.join ",\n"
  "@#{@type}{#{@key},\n#{fs}\n}\n\n"
end