Class: Library

Inherits:
Object
  • Object
show all
Defined in:
lib/propane/library.rb

Overview

This class knows where to find propane libraries

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Library

Returns a new instance of Library.



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# File 'lib/propane/library.rb', line 11

def initialize(name)
  @name = name
  @ruby = true
end

Instance Attribute Details

#dir ⇒ Object (readonly)

Returns the value of attribute dir.



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# File 'lib/propane/library.rb', line 9

def dir
  @dir
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/propane/library.rb', line 9

def name
  @name
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/propane/library.rb', line 9

def path
  @path
end

#ppath ⇒ Object (readonly)

Returns the value of attribute ppath.



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# File 'lib/propane/library.rb', line 9

def ppath
  @ppath
end

Instance Method Details

#add_binaries_to_classpath ⇒ Object 



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# File 'lib/propane/library.rb', line 68

def add_binaries_to_classpath
  native_loader = NativeLoader.new
  native_loader.add_native_path(ppath)
  true
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propane/library.rb', line 47

def exist?
  path.exist?
end

#load_jars ⇒ Object 



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# File 'lib/propane/library.rb', line 51

def load_jars
  Dir.glob("#{dir}/*.jar").sort.each do |jar|
    require jar
  end
  return true unless native_binaries?

  add_binaries_to_classpath
end

#locate ⇒ Object 



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# File 'lib/propane/library.rb', line 16

def locate
  return if (@path = Pathname.new(
    File.join(Propane::SKETCH_ROOT, 'library', name, "#{name}.rb")
  )).exist?
  return if (@path = Pathname.new(
    File.join(PROPANE_ROOT, 'library', name, "#{name}.rb")
  )).exist?

  locate_java
end

#locate_installed_java ⇒ Object 



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# File 'lib/propane/library.rb', line 34

def locate_installed_java
  unless dir.directory?
    @dir = Pathname.new(
      File.join(ENV['HOME'], '.propane', 'libraries', name, 'library')
    )
  end
  @path = dir.join(Pathname.new("#{name}.jar"))
end

#locate_java ⇒ Object 



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# File 'lib/propane/library.rb', line 27

def locate_java
  @dir = Pathname.new(
    File.join(Propane::SKETCH_ROOT, 'library', name)
  )
  locate_installed_java
end

#native_binaries? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propane/library.rb', line 60

def native_binaries?
  native_folder = NativeFolder.new
  native = native_folder.name
  @ppath = File.join(dir, native)
  File.directory?(ppath) &&
    !Dir.glob(File.join(ppath, native_folder.extension)).empty?
end

#ruby? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propane/library.rb', line 43

def ruby?
  path.extname == '.rb'
end