Class: Valise::Stack

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

Direct Known Subclasses

Decorator

Defined Under Namespace

Classes: Decorator, ExtensionsDecorator, PrefixesDecorator, SingleExtensionDecorator, SinglePrefixDecorator

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ItemEnum

#absent, #present, #writable

Methods included from Unpath

#clean_pathname, #containing_workspace, #current_directory, #file_from_backtrace, #from_here, #make_pathname, #starting_directory, #up_to, #up_until

Constructor Details

#initialize(path, set) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/valise/stack.rb', line 16

def initialize(path, set)
  @segments = make_pathname(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 21

def segments
  @segments
end

#valise ⇒ Object (readonly)

Returns the value of attribute valise.



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# File 'lib/valise/stack.rb', line 21

def valise
  @valise
end

Instance Method Details

#below(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 47

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

#depth_of(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 55

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

#diffed(item, value) ⇒ Object 



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# File 'lib/valise/stack.rb', line 39

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

#dump_load ⇒ Object 



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# File 'lib/valise/stack.rb', line 31

def dump_load
  valise.serialization_for(self)
end

#each ⇒ Object 



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# File 'lib/valise/stack.rb', line 91

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 71

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

#find ⇒ Object 



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# File 'lib/valise/stack.rb', line 65

def find
  valise.cached(:find, rel_path) do
    raw_find
  end
end

#inspect ⇒ Object 



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# File 'lib/valise/stack.rb', line 12

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

#item_for(root) ⇒ Object 



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# File 'lib/valise/stack.rb', line 87

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

#merge_diff ⇒ Object 



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# File 'lib/valise/stack.rb', line 27

def merge_diff
  valise.merge_diff_for(self)
end

#merged(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 35

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

#not_above(item) ⇒ Object 



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# File 'lib/valise/stack.rb', line 43

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

#pfxs(*prefixes) ⇒ Object 



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# File 'lib/valise/stack.rb', line 77

def pfxs(*prefixes)
  pfxs = PrefixesDecorator.new(self)
  pfxs.prefixes = prefixes
  return pfxs
end

#raw_find ⇒ Object

Raises:



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# File 'lib/valise/stack.rb', line 59

def raw_find
  item = present.first
  return item unless item.nil?
  raise Errors::NotFound, "#{self.inspect} not found"
end

#reget(root) ⇒ Object 



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# File 'lib/valise/stack.rb', line 83

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

#rel_path ⇒ Object 



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# File 'lib/valise/stack.rb', line 23

def rel_path
  @segments
end

#reverse ⇒ Object 



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# File 'lib/valise/stack.rb', line 51

def reverse
  reget(valise.reverse)
end