Class: AssetPocket::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/asset_pocket/generator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Generator

Returns a new instance of Generator.



11
12
13
14
 
# File 'lib/asset_pocket/generator.rb', line 11

def initialize
    self.root_path = "."
    @pocket = nil
end

Instance Attribute Details

#root_path ⇒ Object

Returns the value of attribute root_path.



9
10
11
 
# File 'lib/asset_pocket/generator.rb', line 9

def root_path
  @root_path
end

Instance Method Details

#parse_string(content) ⇒ Object 



20
21
22
23
 
# File 'lib/asset_pocket/generator.rb', line 20

def parse_string(content)
    @pocket = Pocket.new(self)
    @pocket.parse_string content
end

#process_copy_files(definition) ⇒ Object 



68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
 
# File 'lib/asset_pocket/generator.rb', line 68

def process_copy_files(definition)
    base = Pathname.new(File.expand_path(definition.base, root_path))
    dest_dir = root_path.join(definition.filename)
    dest_dir.mkpath

    definition.content.each do |content|
        case content[0]
        when :pattern
            Dir[root_path.join(content[1])].each do |source_file|
                source_file = Pathname.new(source_file)

                # Only work with regular file
                next unless source_file.file?

                dest_file = dest_dir.join(source_file.relative_path_from(base))

                if dest_file.exist?
                    # Compare it using timestamps and size
                    if source_file.size == dest_file.size and source_file.mtime == dest_file.mtime
                        next
                    end

                    # Remove it, since we have to recreate
                    dest_file.delete
                end

                # Try to create a hard link (Unix on same mount points).
                # If it fails, copy it
                dest_file.dirname.mkpath
                begin
                    dest_file.make_link source_file
                rescue Exception => e
                    dest_file.open("w") {|f| f.write source_file.read }
                end
            end
        end
    end
end

#process_create_file(definition) ⇒ Object 



36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/asset_pocket/generator.rb', line 36

def process_create_file(definition)
    generated_filename = root_path.join(definition.filename)
    FileUtils.mkpath File.dirname(generated_filename)
    File.open(generated_filename, "w") do |generated_file|
        generated_content = []
        definition.content.each do |content|
            case content[0]
            when :pattern
                generated_content.concat(
                    Dir[root_path.join(content[1])].
                        sort!.
                        map! {|found_file| SourceFilter.filter found_file })

            when :string
                generated_content << content[1]

            else
                raise ArgumentError, "Unknown content type: #{content[0]}"
            end
        end

        generated_content = generated_content.join(definition.separator)

        if definition.use_compressor?
            generated_content = definition.compressor.compress(generated_content)
        end

        generated_content = definition.post_process(generated_content)
        generated_file.write(generated_content)
    end
end

#read_file(filename) ⇒ Object 



25
26
27
 
# File 'lib/asset_pocket/generator.rb', line 25

def read_file(filename)
    root_path.join(filename).read
end

#run! ⇒ Object 



29
30
31
32
33
34
 
# File 'lib/asset_pocket/generator.rb', line 29

def run!
    @pocket.definitions.each do |definition|
        send "process_#{definition.process}", definition
    end
    true
end