Module: Baltix::Loader

Includes:
Log
Included in:
Rake, Source::Gem
Defined in:
lib/baltix/loader.rb

Defined Under Namespace

Modules: Certain, Cmake, GitVersionGen, Mast, Pom, Rookbook, Yaml

Constant Summary

Constants included from Log

Baltix::Log::DEFAULT_IO_NAMES

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Log

default_prefix, io_name_parse, ios, level, #level_match, #log, prefix, prefix_for, setup, setup_kind

Class Method Details

.extended(kls) ⇒ Object 



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# File 'lib/baltix/loader.rb', line 104

def self.extended kls
   extended_list << kls
end

.extended_list ⇒ Object 



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# File 'lib/baltix/loader.rb', line 100

def self.extended_list
   @extended_list ||= []
end

Instance Method Details

#app_file(file, &block) ⇒ Object 



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# File 'lib/baltix/loader.rb', line 176

def app_file file, &block
   mods[file] ||= load_file(file)

   mod = mods[file].dup
   objects = mod.diff_ids[self]&.map {|id| ObjectSpace._id2ref(id) }

   debug("Object ids for '#{file}' are: #{mod.diff_ids[self].inspect}")
   debug("Objects for '#{file}' are: #{objects.inspect}")

   if block_given?
      objects = [yield(objects)].flatten.compact
   end
   mod.objects = objects || []

   mod
end

#load_file(file) ⇒ Object 



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# File 'lib/baltix/loader.rb', line 139

def load_file file
   debug("Loading file: #{file}")
   stdout = $stdout
   stderr = $stderr
   $stdout = $stderr = Tempfile.new('loader')

   pre_loaders.each do |(m, preload_method)|
      if file =~ m
         args = [file][0...preload_method.arity]
         preload_method[*args]
      end
   end

   module_name = "M" + Random.srand.to_s
   mod_code = <<-END
      module #{module_name}
         extend(::Baltix::Loader::Certain)
      end
   END

   mod = module_eval(mod_code)
   mod.load_file(file, type_hash)
   $stdout.rewind
   $stderr.rewind
   log = $stdout.readlines
   errlog = $stderr.readlines

   OpenStruct.new(mod: mod, log: log, errlog: errlog, object_hash: mod.object_hash, diff_ids: mod.object_ids)
rescue Exception => e
   warn(e.message)

   OpenStruct.new(mod: mod, object_hash: {}, log: log, errlog: errlog, diff_ids: [])
ensure
   $stderr = stderr
   $stdout = stdout
end

#mods ⇒ Object 



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# File 'lib/baltix/loader.rb', line 135

def mods
   @@mods ||= {}
end

#pre_loaders ⇒ Object 



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# File 'lib/baltix/loader.rb', line 122

def pre_loaders
   @pre_loaders ||=
      Baltix::Loader.extended_list.map do |kls|
         begin
            kls.const_get('PRELOAD_MATCHER')&.map do |k, v|
               [k, v.is_a?(Symbol) && kls.singleton_method(v) || v]
            end.to_h || {}
         rescue
            {}
         end
      end.reduce {|res, hash| res.merge(hash) }
end

#type_hash ⇒ Object 



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# File 'lib/baltix/loader.rb', line 108

def type_hash
   @type_hash ||=
      Baltix::Loader.extended_list.map do |kls|
         type =
            begin
               kls.const_get('TYPE')
            rescue
               nil
            end

         [kls, type]
      end.select {|(_, type)| type }.to_h
end