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Contents
# frozen_string_literal: true
module Vedeu
module Editor
# Manipulate the lines of an Vedeu::Editor::Document.
#
# @api private
#
class Insert
include Vedeu::Common
# @param (see #initialize)
# @return (see #insert)
def self.into(collection, entity, index = nil, size = 0)
new(collection, entity, index, size).insert
end
# Returns a new instance of Vedeu::Editor::Insert.
#
# @param collection [String|Vedeu::Editor::Line|Vedeu::Editor::Lines]
# @param entity [String]
# @param index [Fixnum]
# @param size [Fixnum]
# @return [Vedeu::Editor::Insert]
def initialize(collection, entity, index = nil, size = 0)
@collection = collection
@entity = entity
@index = index
@size = size
end
# @return [String|Vedeu::Editor::Line|Vedeu::Editor::Lines]
def insert
return collection.insert(position, entity) if index?
collection << entity
end
protected
# @!attribute [r] entity
# @return [String]
attr_reader :entity
# @!attribute [r] index
# @return [Fixnum]
attr_reader :index
# @!attribute [r] size
# @return [Fixnum]
attr_reader :size
private
# @!attribute [r] collection
# @return [String|Vedeu::Editor::Line|Vedeu::Editor::Lines]
def collection
if string?(@collection)
@collection.dup
else
@collection
end
end
# @return [Boolean]
def index?
numeric?(index)
end
# @return [Fixnum]
def position
if index < 0
0
elsif index > size
size
else
index
end
end
end # Insert
end # Editor
end # Vedeu
Version data entries
31 entries across 31 versions & 1 rubygems