Class: Valise::Stack

Inherits:
Object
  • Object
show all
Includes:
ItemEnum, Unpath
Defined in:
lib/valise/stack.rb,
lib/valise/stack/extensions-decorator.rb

Direct Known Subclasses

ExtensionsDecorator

Defined Under Namespace

Classes: ExtensionsDecorator

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ItemEnum

#absent, #present, #writable

Methods included from Unpath

#collapse, file_from_backtrace, #file_from_backtrace, #from_here, from_here, repath, string_to_segments, unpath, up_to, #up_to

Constructor Details

#initialize(path, set) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/valise/stack.rb', line 15

def initialize(path, set)
  @segments = collapse(unpath(path))
  @valise = set
end

Instance Attribute Details

#segments ⇒ Object (readonly)

Returns the value of attribute segments.



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# File 'lib/valise/stack.rb', line 20

def segments
  @segments
end

#valise ⇒ Object (readonly)

Returns the value of attribute valise.



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# File 'lib/valise/stack.rb', line 20

def valise
  @valise
end

Instance Method Details

#below(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 46

def below(item)
  reget(valise.below(item.root))
end

#depth_of(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 54

def depth_of(item)
  valise.depth_of(item.root)
end

#diffed(item, value) ⇒ Object 



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# File 'lib/valise/stack.rb', line 38

def diffed(item, value)
  merge_diff.diff(item, value)
end

#dump_load ⇒ Object 



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# File 'lib/valise/stack.rb', line 30

def dump_load
  @valise.serialization_for(self)
end

#each ⇒ Object 



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# File 'lib/valise/stack.rb', line 78

def each
  valise.each do |root|
    yield(item_for(root))
  end
end

#exts(*extensions) ⇒ Object 



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# File 'lib/valise/stack.rb', line 64

def exts(*extensions)
  exts = ExtensionsDecorator.new(self)
  exts.extensions = extensions
  return exts
end

#find ⇒ Object

Raises:



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# File 'lib/valise/stack.rb', line 58

def find
  item = present.first
  return item unless item.nil?
  raise Errors::NotFound, "#{rel_path} not found in #{@valise.inspect}"
end

#inspect ⇒ Object 



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# File 'lib/valise/stack.rb', line 11

def inspect
  "<default>:#{(@segments||%w{?}).join "/"} #{@valise.inspect}"
end

#item_for(root) ⇒ Object 



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# File 'lib/valise/stack.rb', line 74

def item_for(root)
  Item.new(self, root, dump_load)
end

#merge_diff ⇒ Object 



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# File 'lib/valise/stack.rb', line 26

def merge_diff
  @valise.merge_diff_for(self)
end

#merged(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 34

def merged(item)
  merge_diff.merge(item)
end

#not_above(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 42

def not_above(item)
  reget(valise.not_above(item.root))
end

#reget(root) ⇒ Object 



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# File 'lib/valise/stack.rb', line 70

def reget(root)
  root.get(@segments)
end

#rel_path ⇒ Object 



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# File 'lib/valise/stack.rb', line 22

def rel_path
  repath(@segments)
end

#reverse ⇒ Object 



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# File 'lib/valise/stack.rb', line 50

def reverse
  reget(valise.reverse)
end