Class: GemInstaller::ValidPlatformSelector

Inherits:
Object
  • Object
show all
Defined in:
lib/geminstaller/valid_platform_selector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#options=(value) ⇒ Object (writeonly)

Sets the attribute options

Parameters:

  • value —

    the value to set the attribute options to.



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# File 'lib/geminstaller/valid_platform_selector.rb', line 3

def options=(value)
  @options = value
end

#output_filter=(value) ⇒ Object (writeonly)

Sets the attribute output_filter

Parameters:

  • value —

    the value to set the attribute output_filter to.



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# File 'lib/geminstaller/valid_platform_selector.rb', line 3

def output_filter=(value)
  @output_filter = value
end

#ruby_platform=(value) ⇒ Object (writeonly)

Sets the attribute ruby_platform

Parameters:

  • value —

    the value to set the attribute ruby_platform to.



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# File 'lib/geminstaller/valid_platform_selector.rb', line 3

def ruby_platform=(value)
  @ruby_platform = value
end

Instance Method Details

#binary_platform_substring ⇒ Object 



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# File 'lib/geminstaller/valid_platform_selector.rb', line 36

def binary_platform_substring
  return ['686-darwin'] if @ruby_platform =~ /686-darwin/
  return ['cygwin'] if @ruby_platform =~ /cygwin/
  return ['powerpc'] if @ruby_platform =~ /powerpc/
  return ['i386-mswin32','mswin32'] if @ruby_platform =~ /mswin/
  return ['386-linux'] if @ruby_platform =~ /386-linux/
  return ['486-linux'] if @ruby_platform =~ /486-linux/
  return ['586-linux'] if @ruby_platform =~ /586-linux/
  return ['686-linux'] if @ruby_platform =~ /686-linux/
  return ['solaris'] if @ruby_platform =~ /solaris/
  return nil
end

#select(gem_platform = nil, exact_platform_match = false) ⇒ Object 



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# File 'lib/geminstaller/valid_platform_selector.rb', line 5

def select(gem_platform = nil, exact_platform_match = false)
  if GemInstaller::RubyGemsVersionChecker.matches?('>=0.9.5')
    # valid_platform_selector is not used for RubyGems >= 0.9.5
    raise RuntimeError.new("Internal GemInstaller Error: ValidPlatformSelector should not be used for RubyGems >= 0.9.5")
  end

  @ruby_platform ||= RUBY_PLATFORM
  return [@ruby_platform] if gem_platform == Gem::Platform::CURRENT
  return [gem_platform] if exact_platform_match
  valid_platforms = []
  valid_platforms += binary_platform_substring if binary_platform_substring
  if @options[:prefer_binary_platform] == false
    # put ruby first if prefer_binary_platform is false
    valid_platforms.unshift('ruby')
  else
    # leave binary platform first if prefer_binary_platform is false or nil
    valid_platforms << 'ruby'
  end
  if gem_platform and 
    !valid_platforms.include?(gem_platform)
    # only prepend the gem_platform as the first choice if
    # 1. it is not nil
    # 2. it is not already in the list
    # 3. it is not 'ruby'
    valid_platforms.unshift(gem_platform)
  end
  message = "Selecting valid platform(s): @ruby_platform='#{@ruby_platform}', gem_platform='#{gem_platform}', valid_platforms='#{valid_platforms.inspect}'"
  @output_filter.geminstaller_output(:debug,"#{message}\n")
  valid_platforms
end