Class: BPM::PackagePipeline

Inherits:
Sprockets::Environment
  • Object
show all
Defined in:
lib/bpm/pipeline/package_pipeline.rb

Overview

A sub-environment created for each package in the project. Requests for individual assets will usually end up going through one of these instances. This allows each package to have its own set of processors for each file.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pipeline, package) ⇒ PackagePipeline

Returns a new instance of PackagePipeline.



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 17

def initialize(pipeline, package)
  @pipeline = pipeline
  @package  = package
  
  super package.root_path
  
  %w(text/css application/javascript).each do |kind|
    unregister_processor kind, Sprockets::DirectiveProcessor
    register_processor   kind, BPM::DirectiveProcessor
  end

  # This gunks things up. I'm not a fan - PDW
  unregister_postprocessor 'application/javascript', Sprockets::SafetyColons

  package.used_formats(project).each do |ext, opts|
    register_engine ".#{ext}", BPM::FormatProcessor.with_plugin(ext,opts)
  end

  package.used_preprocessors(project).each do |opts|
    register_preprocessor opts['mime'], 
      BPM::PluginProcessor.with_plugin(opts, 'preprocess')
  end

  package.used_postprocessors(project).each do |opts|
    register_postprocessor opts['mime'], 
      BPM::PluginProcessor.with_plugin(opts, 'postprocess')
  end

  opts = package.used_transports(project)
  raise TooManyTransportsError(package) if opts.size>1
  if opts.size>0
    register_postprocessor 'application/javascript', 
      BPM::PluginProcessor.with_plugin(opts.first, 'compileTransport')
  end

  append_path package.root_path
end

Instance Attribute Details

#package ⇒ Object (readonly)

Returns the value of attribute package.



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 11

def package
  @package
end

#pipeline ⇒ Object (readonly)

Returns the value of attribute pipeline.



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 11

def pipeline
  @pipeline
end

Instance Method Details

#index ⇒ Object

Index is for caching, but it causes us problem, we don’t need the caching



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 79

def index
  self
end

#mode ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 63

def mode
  pipeline.mode
end

#package_name ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 55

def package_name
  package.name
end

#plugin_js_for(logical_path) ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 67

def plugin_js_for(logical_path)
  pipeline.plugin_js_for logical_path
end

#project ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 59

def project
  pipeline.project
end

#resolve(*args) ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 71

def resolve(*args)
  super *args
rescue Sprockets::FileNotFound => e
  raise Sprockets::FileNotFound, "#{e.message} in package '#{package_name}'"
end

#shell ⇒ Object 



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# File 'lib/bpm/pipeline/package_pipeline.rb', line 13

def shell
  @shell ||= Thor::Base.shell.new
end