Class: SvgConform::Requirements::ColorRestrictionsRequirement

Inherits:
BaseRequirement
  • Object
show all
Defined in:
lib/svg_conform/requirements/color_restrictions_requirement.rb

Overview

Validates color restrictions (e.g., black and white only for IETF profile)

Instance Method Summary collapse

Methods inherited from BaseRequirement

#collect_sax_data, #element?, #get_attribute, #get_attributes, #has_attribute?, #needs_deferred_validation?, #remove_attribute, #set_attribute, #should_check_node?, #text?, #to_s, #validate_document, #validate_sax_complete

Instance Method Details

#check(node, context) ⇒ Object 



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# File 'lib/svg_conform/requirements/color_restrictions_requirement.rb', line 26

def check(node, context)
  return unless element?(node)

  # Skip attribute validation for structurally invalid nodes (e.g., wrong parent-child)
  return if context.node_structurally_invalid?(node)

  # Check color-related attributes
  color_attributes = %w[fill stroke color stop-color flood-color
                        lighting-color]

  color_attributes.each do |attr_name|
    value = get_attribute(node, attr_name)
    next if value.nil? || value.empty?

    next if valid_color?(value)

    context.add_error(
      requirement_id: id,
      message: "Color '#{value}' in attribute '#{attr_name}' is not allowed in this profile",
      node: node,
      severity: :error,
      data: {
        attribute: attr_name,
        value: value,
        element: node.name,
      },
    )
  end

  # Check style attribute for color properties
  style_value = get_attribute(node, "style")
  return unless style_value

  styles = parse_style(style_value)
  color_properties = %w[fill stroke color stop-color flood-color
                        lighting-color]

  color_properties.each do |prop|
    value = styles[prop]
    next if value.nil? || value.empty?

    next if valid_color?(value)

    context.add_error(
      requirement_id: id,
      message: "Color '#{value}' in style property '#{prop}' is not allowed in this profile",
      node: node,
      severity: :error,
      data: {
        attribute: prop,
        value: value,
        element: node.name,
      },
    )
  end
end

#validate_sax_element(element, context) ⇒ Object 



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# File 'lib/svg_conform/requirements/color_restrictions_requirement.rb', line 83

def validate_sax_element(element, context)
  # Skip attribute validation for structurally invalid nodes
  return if context.node_structurally_invalid?(element)

  # Check color-related attributes
  color_attributes = %w[fill stroke color stop-color flood-color
                        lighting-color]

  color_attributes.each do |attr_name|
    value = element.raw_attributes[attr_name]
    next if value.nil? || value.empty?

    next if valid_color?(value)

    context.add_error(
      requirement_id: id,
      message: "Color '#{value}' in attribute '#{attr_name}' is not allowed in this profile",
      node: element,
      severity: :error,
      data: {
        attribute: attr_name,
        value: value,
        element: element.name,
      },
    )
  end

  # Check style attribute for color properties
  style_value = element.raw_attributes["style"]
  return unless style_value

  styles = parse_style(style_value)
  color_properties = %w[fill stroke color stop-color flood-color
                        lighting-color]

  color_properties.each do |prop|
    value = styles[prop]
    next if value.nil? || value.empty?

    next if valid_color?(value)

    context.add_error(
      requirement_id: id,
      message: "Color '#{value}' in style property '#{prop}' is not allowed in this profile",
      node: element,
      severity: :error,
      data: {
        attribute: prop,
        value: value,
        element: element.name,
      },
    )
  end
end