Class: Neutron::PkgConf

Inherits:
Object
  • Object
show all
Defined in:
lib/neutron/pkgconf.rb

Defined Under Namespace

Classes: InvalidPkgConfError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(packages) ⇒ PkgConf

Returns a new instance of PkgConf.



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/neutron/pkgconf.rb', line 8

def initialize(packages)
  @packages = packages
  @packages.freeze
  found = []
  checked = Neutron::PkgStatus.get_checked
  begin
    (packages-checked).each do |package|
      _, code = *Neutron.execute("pkg-config --exists #{package}")
      if code == 0
        found << package
      else
        raise Neutron::PkgStatus::PkgNotFoundError, "Cannot find #{package}!"
      end
    end
  rescue Neutron::PkgStatus::PkgNotFoundError
    self.taint
    raise
  ensure
    Neutron::PkgStatus.add_found(found)
  end
  freeze
end

Instance Attribute Details

#packages ⇒ Object (readonly)

Returns the value of attribute packages.



6
7
8
 
# File 'lib/neutron/pkgconf.rb', line 6

def packages
  @packages
end

Instance Method Details

#+(target) ⇒ Object

Raises:



31
32
33
34
35
 
# File 'lib/neutron/pkgconf.rb', line 31

def +(target)
  raise InvalidPkgConfError, 'Current pkg-conf is invalid!' if tainted?
  raise InvalidPkgConfError, 'Target pkg-conf is invalid!' if target.tainted?
  Neutron::PkgConf.new((@packages+target.packages).uniq)
end

#to_cc(**opts) ⇒ Object

Raises:



37
38
39
40
41
42
43
44
 
# File 'lib/neutron/pkgconf.rb', line 37

def to_cc(**opts)
  raise InvalidPkgConfError if tainted?
  o = {
    libs:   true,
    cflags: true
  }.merge(opts)
  Neutron.execute("pkg-config #{"--libs" if o[:libs]} #{"--cflags" if o[:cflags]} #{@packages.join(' ')}")[0].strip
end

#to_valac ⇒ Object

Raises:



46
47
48
49
 
# File 'lib/neutron/pkgconf.rb', line 46

def to_valac
  raise InvalidPkgConfError if tainted?
  @packages.map{|p|"--pkg #{p}"}.join(' ')
end