Class: GitObjectBrowser::Models::IndexTreeExtension

Inherits:
Bindata
  • Object
show all
Defined in:
lib/git-object-browser/models/index_tree_extension.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Bindata

#binstr, #byte, #bytes, #find_char, #hex, #int, #peek, #raw, #seek, #skip, #switch_source

Constructor Details

#initialize(input) ⇒ IndexTreeExtension

Returns a new instance of IndexTreeExtension.



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 9

def initialize(input)
  super(input)
end

Instance Attribute Details

#entries ⇒ Object (readonly)

Returns the value of attribute entries.



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 7

def entries
  @entries
end

#signature ⇒ Object (readonly)

Returns the value of attribute signature.



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 7

def signature
  @signature
end

#total_length ⇒ Object (readonly)

Returns the value of attribute total_length.



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 7

def total_length
  @total_length
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 13

def parse
  @signature = raw(4) # TREE
  @total_length = int
  @entries = []

  length = 0
  while (length < @total_length)
    entry = {}
    entry[:path_component] = find_char "\0"
    entry[:entry_count]    = find_char " "
    entry[:subtree_count]  = find_char "\n"

    length += entry[:path_component].bytesize + 1
    length += entry[:entry_count].bytesize + 1
    length += entry[:subtree_count].bytesize + 1

    entry[:entry_count]    = entry[:entry_count].to_i
    entry[:subtree_count]  = entry[:subtree_count].to_i

    if 0 <= entry[:entry_count]
      entry[:sha1] = hex(20)
      length += 20
    end
    @entries << entry
  end

  self
end

#to_hash ⇒ Object 



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# File 'lib/git-object-browser/models/index_tree_extension.rb', line 42

def to_hash
  return {
    :signature     => @signature,
    :total_length  => @total_length,
    :entries       => @entries
  }
end