Class: SvgConform::DocumentAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/svg_conform/document_analyzer.rb

Overview

Document analyzer that computes node IDs using forward counting to avoid expensive backward sibling traversal.

Uses parent.children iteration to calculate position among siblings, which is more efficient than walking previous_sibling chain.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(document) ⇒ DocumentAnalyzer

Returns a new instance of DocumentAnalyzer.



12
13
14
15
16
 
# File 'lib/svg_conform/document_analyzer.rb', line 12

def initialize(document)
  @document = document
  @cache = {}
  populate_cache
end

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



10
11
12
 
# File 'lib/svg_conform/document_analyzer.rb', line 10

def cache
  @cache
end

Instance Method Details

#get_node_id(node) ⇒ Object

Get path-based ID for a node from cache



19
20
21
22
23
24
25
26
 
# File 'lib/svg_conform/document_analyzer.rb', line 19

def get_node_id(node)
  return nil unless node.respond_to?(:name) && node.name

  # Use native.object_id as cache key since wrapper object_id changes
  # across traverses but underlying Nokogiri node identity is stable
  native_id = node.native.object_id
  @cache[native_id] ||= compute_and_cache_path(node)
end