class Gem::BasicSpecification

BasicSpecification is an abstract class which implements some common code used by both Specification and StubSpecification.

Attributes

loaded_from[R]

The path this gemspec was loaded from. This attribute is not persisted.

Public Class Methods

default_specifications_dir() click to toggle source

# File lib/rubygems/basic_specification.rb, line 27
def self.default_specifications_dir
  File.join(Gem.default_dir, "specifications", "default")
end

Public Instance Methods

activated?() click to toggle source

True when the gem has been activated

# File lib/rubygems/basic_specification.rb, line 34
def activated?
  raise NotImplementedError
end

base_dir() click to toggle source

Returns the full path to the base gem directory.

eg: /usr/local/lib/ruby/gems/1.8

# File lib/rubygems/basic_specification.rb, line 43
def base_dir
  return Gem.dir unless loaded_from
  @base_dir ||= if default_gem? then
                  File.dirname File.dirname File.dirname loaded_from
                else
                  File.dirname File.dirname loaded_from
                end
end

contains_requirable_file?(file) click to toggle source

Return true if this spec can require file.

# File lib/rubygems/basic_specification.rb, line 55
def contains_requirable_file? file
  build_extensions

  suffixes = Gem.suffixes

  full_require_paths.any? do |dir|
    base = "#{dir}/#{file}"
    suffixes.any? { |suf| File.file? "#{base}#{suf}" }
  end
end

default_gem?() click to toggle source

# File lib/rubygems/basic_specification.rb, line 66
def default_gem?
  loaded_from &&
    File.dirname(loaded_from) == self.class.default_specifications_dir
end

extension_dir() click to toggle source

Returns full path to the directory where gem's extensions are installed.

# File lib/rubygems/basic_specification.rb, line 74
def extension_dir
  @extension_dir ||= File.expand_path File.join(extensions_dir, full_name)
end

extensions_dir() click to toggle source

Returns path to the extensions directory.

# File lib/rubygems/basic_specification.rb, line 81
def extensions_dir
  @extensions_dir ||= Gem.default_ext_dir_for(base_dir) ||
    File.join(base_dir, 'extensions', Gem::Platform.local.to_s,
              Gem.extension_api_version)
end

full_gem_path() click to toggle source

The full path to the gem (install path + full name).

# File lib/rubygems/basic_specification.rb, line 99
def full_gem_path
  # TODO: This is a heavily used method by gems, so we'll need
  # to aleast just alias it to #gem_dir rather than remove it.
  @full_gem_path ||= find_full_gem_path
end

full_name() click to toggle source

Returns the full name (name-version) of this Gem. Platform information is included (name-version-platform) if it is specified and not the default Ruby platform.

# File lib/rubygems/basic_specification.rb, line 110
def full_name
  if platform == Gem::Platform::RUBY or platform.nil? then
    "#{name}-#{version}".untaint
  else
    "#{name}-#{version}-#{platform}".untaint
  end
end

full_require_paths() click to toggle source

Full paths in the gem to add to $LOAD_PATH when this gem is activated.

# File lib/rubygems/basic_specification.rb, line 122
def full_require_paths
  full_paths = @require_paths.map do |path|
    File.join full_gem_path, path
  end

  full_paths.unshift extension_dir unless @extensions.empty?

  full_paths
end

gem_dir() click to toggle source

Returns the full path to this spec's gem directory. eg: /usr/local/lib/ruby/1.8/gems/mygem-1.0

# File lib/rubygems/basic_specification.rb, line 136
def gem_dir
  @gem_dir ||= File.expand_path File.join(gems_dir, full_name)
end

gems_dir() click to toggle source

Returns the full path to the gems directory containing this spec's gem directory. eg: /usr/local/lib/ruby/1.8/gems

# File lib/rubygems/basic_specification.rb, line 144
def gems_dir
  # TODO: this logic seems terribly broken, but tests fail if just base_dir
  @gems_dir ||= File.join(loaded_from && base_dir || Gem.dir, "gems")
end

loaded_from=(path) click to toggle source

Set the path the Specification was loaded from. path is converted to a String.

# File lib/rubygems/basic_specification.rb, line 153
def loaded_from= path
  @loaded_from   = path && path.to_s

  @extension_dir = nil
  @extensions_dir = nil
  @full_gem_path         = nil
  @gem_dir               = nil
  @gems_dir              = nil
  @base_dir              = nil
end

name() click to toggle source

Name of the gem

# File lib/rubygems/basic_specification.rb, line 167
def name
  raise NotImplementedError
end

platform() click to toggle source

Platform of the gem

# File lib/rubygems/basic_specification.rb, line 174
def platform
  raise NotImplementedError
end

require_paths() click to toggle source

Paths in the gem to add to $LOAD_PATH when this gem is activated.

See also require_paths=

If you have an extension you do not need to add "ext" to the require path, the extension build process will copy the extension files into “lib” for you.

The default value is "lib"

Usage:

# If all library files are in the root directory...
spec.require_path = '.'

# File lib/rubygems/basic_specification.rb, line 199
def require_paths
  return @require_paths if @extensions.empty?

  relative_extension_dir =
    File.join '..', '..', 'extensions', Gem::Platform.local.to_s,
              Gem.extension_api_version, full_name

  [relative_extension_dir].concat @require_paths
end

source_paths() click to toggle source

Returns the paths to the source files for use with analysis and documentation tools. These paths are relative to full_gem_path.

# File lib/rubygems/basic_specification.rb, line 213
def source_paths
  paths = raw_require_paths.dup

  if @extensions then
    ext_dirs = @extensions.map do |extension|
      extension.split(File::SEPARATOR, 2).first
    end.uniq

    paths.concat ext_dirs
  end

  paths.uniq
end

stubbed?() click to toggle source

Whether this specification is stubbed - i.e. we have information about the gem from a stub line, without having to evaluate the entire gemspec file.

# File lib/rubygems/basic_specification.rb, line 245
def stubbed?
  raise NotImplementedError
end

to_spec() click to toggle source

Return a Gem::Specification from this gem

# File lib/rubygems/basic_specification.rb, line 230
def to_spec
  raise NotImplementedError
end

version() click to toggle source

Version of the gem

# File lib/rubygems/basic_specification.rb, line 237
def version
  raise NotImplementedError
end