Class: AndParcel::CatalogSet

Inherits:
Object
  • Object
show all
Defined in:
lib/andparcel/catalog.rb

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ CatalogSet

Returns a new instance of CatalogSet.



18
19
20
 
# File 'lib/andparcel/catalog.rb', line 18

def initialize(root)
  @root=root
end

Instance Method Details

#add(name, url) ⇒ Object 



40
41
42
43
44
45
46
 
# File 'lib/andparcel/catalog.rb', line 40

def add(name, url)
  roster_hash=roster

  roster_hash[name]={'url'=>url}

  open(roster_file, "w") {|f| f.puts(roster_hash.to_json)}
end

#find(name) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/andparcel/catalog.rb', line 60

def find(name)
  roster.each_value do |cat|
    packages=JSON.parse(open(cat['url']) {|f| f.read})
    package=packages['parcels'][name]

    if package
      if (urls=package['url'])
        if urls.kind_of?(Enumerable)
          return(urls.first)
        end
        
        return(urls)
      elsif (path=package['path'])
        uri=URI.parse cat['url']
        
        return(uri+path)
      end
    end
  end
  
  nil
end

#names ⇒ Object 



56
57
58
 
# File 'lib/andparcel/catalog.rb', line 56

def names
  roster.keys
end

#remove(name) ⇒ Object 



48
49
50
51
52
53
54
 
# File 'lib/andparcel/catalog.rb', line 48

def remove(name)
  roster_hash=roster

  roster_hash.delete(name)

  open(roster_file, "w") {|f| f.puts(roster_hash.to_json)}
end

#roster ⇒ Object 



30
31
32
33
34
35
36
37
38
 
# File 'lib/andparcel/catalog.rb', line 30

def roster
  fn=roster_file
  
  if File.exists?(fn)
    return(JSON.parse(open(fn) {|f| f.read}))
  end
  
  {}
end

#roster_file ⇒ Object 



26
27
28
 
# File 'lib/andparcel/catalog.rb', line 26

def roster_file
  File.join(@root, 'catalogs.json')
end

#size ⇒ Object 



22
23
24
 
# File 'lib/andparcel/catalog.rb', line 22

def size
  roster.size
end