Sha256: 068b0b6b516580026c60db6de3df7541cde74bea40c1cbffe5f7f94cc56cd29a
Contents?: true
Size: 2 KB
Versions: 18
Compression:
Stored size: 2 KB
Contents
# frozen_string_literal: true
#==========================
# elementlist.rb
#==========================
#
# Contains a list of unordered tree elements with a defined parent
# Copyright (c) 2007-2023 Yoichiro Hasebe <yohasebe@gmail.com>
require_relative "element"
module RSyntaxTree
class ElementList
attr_accessor :elements, :iterator
def initialize
@elements = []
@iterator = -1 # Iterator index (used for get_first / get_next)
end
def set_hierarchy
@elements.each do |e|
get_id(e.parent).add_child(e.id) unless e.parent.zero?
end
end
def add(element)
@elements << element
return if element.parent.zero?
parent = get_id(element.parent)
parent.type = ETYPE_NODE
end
def get_first
return nil if @elements.length.empty?
@iterator = 0
@elements[@iterator]
end
def get_next
@iterator += 1
return @elements[@iterator] if @elements[@iterator]
nil
end
def get_id(id)
@elements.each do |element|
return element if element.id == id
end
nil
end
def get_elements
@elements
end
def get_child_count(id)
get_children(id).length
end
def get_children(id)
children = []
@elements.each do |element|
children << element.id if element.parent == id
end
children
end
def get_element_width(id)
element = get_id(id)
return element.width if element
-1;
end
def set_element_width(id, width)
element = get_id(id)
element.width = width if element
end
def get_indent(id)
element = get_id(id)
return element.indent if element
-1
end
def set_indent(id, indent)
element = get_id(id)
element.indent = indent if element
end
def get_level_height
maxlevel = 0
@elements.each do |element|
level = element.level
maxlevel = level if level > maxlevel
end
maxlevel + 1
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems