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module Gitlab
module Ci::Build::Artifacts
class Metadata
##
# Class that represents an entry (path and metadata) to a file or
# directory in GitLab CI Build Artifacts binary file / archive
#
# This is IO-operations safe class, that does similar job to
# Ruby's Pathname but without the risk of accessing filesystem.
#
# This class is working only with UTF-8 encoded paths.
#
class Entry
attr_reader :path, :entries
attr_accessor :name
def initialize(path, entries)
@path = path.dup.force_encoding('UTF-8')
@entries = entries
if path.include?("\0")
raise ArgumentError, 'Path contains zero byte character!'
end
unless path.valid_encoding?
raise ArgumentError, 'Path contains non-UTF-8 byte sequence!'
end
end
def directory?
blank_node? || @path.end_with?('/')
end
def file?
!directory?
end
def has_parent?
nodes > 0
end
def parent
return nil unless has_parent?
self.class.new(@path.chomp(basename), @entries)
end
def basename
(directory? && !blank_node?) ? name + '/' : name
end
def name
@name || @path.split('/').last.to_s
end
def children
return [] unless directory?
return @children if @children
child_pattern = %r{^#{Regexp.escape(@path)}[^/]+/?$}
@children = select_entries { |path| path =~ child_pattern }
end
def directories(opts = {})
return [] unless directory?
dirs = children.select(&:directory?)
return dirs unless has_parent? && opts[:parent]
dotted_parent = parent
dotted_parent.name = '..'
dirs.prepend(dotted_parent)
end
def files
return [] unless directory?
children.select(&:file?)
end
def metadata
@entries[@path] || {}
end
def nodes
@path.count('/') + (file? ? 1 : 0)
end
def blank_node?
@path.empty? # "" is considered to be './'
end
def exists?
blank_node? || @entries.include?(@path)
end
def empty?
children.empty?
end
def to_s
@path
end
def ==(other)
@path == other.path && @entries == other.entries
end
def inspect
"#{self.class.name}: #{@path}"
end
private
def select_entries
selected = @entries.select { |path, _metadata| yield path }
selected.map { |path, _metadata| self.class.new(path, @entries) }
end
end
end
end
end
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