Class: Uniword::Validation::Rules::ImagesRule

Inherits:
Base
  • Object
show all
Defined in:
lib/uniword/validation/rules/images_rule.rb

Overview

Validates image/media references.

DOC-050: Image relationship targets exist in word/media/ DOC-051: Image content types match file extensions DOC-052: blip embed references resolve to image parts

Constant Summary collapse

R_NS = 
"http://schemas.openxmlformats.org/officeDocument/2006/relationships"
A_NS = 
"http://schemas.openxmlformats.org/drawingml/2006/main"
IMAGE_TYPES = 
%w[
  image/png image/jpeg image/gif image/tiff
  image/bmp image/svg+xml image/emf image/wmf
].freeze

Instance Method Summary collapse

Methods inherited from Base

#context_type, #description, #validity_rule

Instance Method Details

#applicable?(context) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uniword/validation/rules/images_rule.rb', line 24

def applicable?(context)
  context.part_exists?("word/document.xml")
end

#category ⇒ Object 



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# File 'lib/uniword/validation/rules/images_rule.rb', line 21

def category = :images

#check(context) ⇒ Object 



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# File 'lib/uniword/validation/rules/images_rule.rb', line 28

def check(context)
  issues = []
  rels = context.relationships
  rels_by_id = rels.to_h { |r| [r[:id], r] }

  # DOC-050: Image relationship targets
  image_rels = rels.select { |r| r[:type]&.include?("image") }
  image_rels.each do |rel|
    target = rel[:target]
    next unless target

    target_path = target.start_with?("/") ? target[1..] : "word/#{target}"

    next if context.part_exists?(target_path)

    issues << issue(
      "Image target '#{target_path}' not found in package",
      part: "word/_rels/document.xml.rels",
      suggestion: "Add the image file '#{target_path}' to the " \
                  "package, or remove the relationship.",
    )
  end

  # DOC-051: Content type consistency
  check_image_content_types(context, image_rels, issues)

  # DOC-052: blip embed references
  check_blip_refs(context, rels_by_id, issues)

  issues
end

#code ⇒ Object 



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# File 'lib/uniword/validation/rules/images_rule.rb', line 20

def code = "DOC-050"

#severity ⇒ Object 



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# File 'lib/uniword/validation/rules/images_rule.rb', line 22

def severity = "error"