Module: GRI::Plugin

Extended by:
Plugin
Included in:
Plugin
Defined in:
lib/gri/plugin.rb

Instance Method Summary collapse

Instance Method Details

#get_gem_dirs ⇒ Object 



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# File 'lib/gri/plugin.rb', line 51

def get_gem_dirs
  dirs = []
  if Object.const_defined?(:Gem)
    if defined?(::Gem::Specification) and
        Gem::Specification.respond_to?(:find_all)
      specs = Gem::Specification.find_all {|spec|
        spec.require_paths.map {|path|
          File.directory?("#{spec.gem_dir}/#{path}/gri/plugin")}.any?
      }.sort_by {|spec| spec.version}.reverse
      names = {}
      specs.each {|spec| names[spec.name] ||= spec}
      names.values.each {|spec|
        dirs += spec.require_paths.map {|path|
          "#{spec.gem_dir}/#{path}/gri/plugin"}
      }
    elsif Gem.respond_to?(:searcher)
      specs = Gem.searcher.find_all 'gri/plugin/*.rb'
      names = {}
      specs.sort_by {|spec| spec.version}.reverse.each {|spec|
        names[spec.name] ||= spec
      }
      names.values.each {|spec|
        files = Gem.searcher.matching_files spec, 'gri/plugin/*.rb'
        dirs += files.map {|fname| File.dirname fname}
      }
    end
  end
  dirs
end

#get_plugin_files(dir, config = nil) ⇒ Object 



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# File 'lib/gri/plugin.rb', line 30

def get_plugin_files dir, config=nil
  files = Dir.entries(dir).sort.select {|fname| fname =~ /\A[^.].*\.rb$/}
  if config
    if config['enable-plugin']
      eps = config.getvar 'enable-plugin'
      files = files.select {|fname|
        s = fname.sub(/\.rb$/, '')
        eps.detect {|pname| pname == s}
      }
    end
    if config['disable-plugin']
      dps = config.getvar 'disable-plugin'
      files = files.select {|fname|
        s = fname.sub(/\.rb$/, '')
        !dps.detect {|pname| pname == s}
      }
    end
  end
  files
end

#load_plugin_dir(dir, config = nil) ⇒ Object 



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# File 'lib/gri/plugin.rb', line 11

def load_plugin_dir dir, config=nil
  dir = File.expand_path dir
  return unless File.exists? dir
  files = get_plugin_files dir, config
  files.each {|fname|
    unless @loaded[fname]
      path = File.join dir, fname
      begin
        require path
        Log.debug "load plugin: '#{path}'"
      rescue LoadError
        Log.debug "LoadError: #{$!}"
        puts "LoadError: #{$!}" if $debug
      end
      @loaded[fname] = path
    end
  }
end

#load_plugins(dirs = [], config = nil) ⇒ Object 



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# File 'lib/gri/plugin.rb', line 5

def load_plugins dirs=[], config=nil
  @loaded = {}
  dirs = [File.join(File.dirname(__FILE__), 'plugin')] + get_gem_dirs + dirs
  dirs.each {|dir| load_plugin_dir dir, config}
end