Class: Coradoc::Html::Converters::Listing

Inherits:
Base
  • Object
show all
Defined in:
lib/coradoc/html/converters/listing.rb

Overview

Converter for CoreModel::Block (listing) to HTML <pre>

Class Method Summary collapse

Methods inherited from Base

build_class_attribute, build_element, build_html_attributes, convert_content_to_html, convert_element_to_core, convert_node_to_core, escape_attribute, escape_html, extract_model_attributes, extract_node_attributes, extract_text_fallback, find_converter_class_by_name, find_converter_for_model, handle_unknown_content, render_core_abbreviation, render_core_annotation_block, render_core_bibliography, render_core_bibliography_entry, render_core_block, render_core_block_image, render_core_definition_item, render_core_definition_list, render_core_footnote, render_core_footnote_reference, render_core_inline_element, render_core_inline_image, render_core_list_block, render_core_list_item, render_core_span, render_core_structural_element, render_core_table_cell, render_core_table_row, render_core_term, render_core_toc, render_core_toc_entry, resolve_block_semantic_type, resolve_format_specific_semantic, transform_to_coremodel, treat_children

Class Method Details

.build_attributes(listing) ⇒ Object 



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# File 'lib/coradoc/html/converters/listing.rb', line 65

def self.build_attributes(listing)
  attrs = [%( class="listing")]

  # Add ID if present
  attrs << %( id="#{escape_attribute(listing.id)}") if listing.id

  attrs.join
end

.build_title(listing) ⇒ Object 



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# File 'lib/coradoc/html/converters/listing.rb', line 74

def self.build_title(listing)
  return nil unless listing.title

  title_text = listing.title.to_s
  return nil if title_text.empty?

  %(<div class="listing-title">#{escape_html(title_text)}</div>)
end

.process_content(content) ⇒ Object 



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# File 'lib/coradoc/html/converters/listing.rb', line 83

def self.process_content(content)
  return '' if content.nil?

  # For listing, preserve the content as-is
  if content.is_a?(String)
    escape_html(content)
  elsif content.is_a?(Array)
    # Join array items with newlines
    content.map { |line| escape_html(line.to_s) }.join("\n")
  else
    escape_html(content.to_s)
  end
end

.to_coradoc(element, _options = {}) ⇒ Object

Convert HTML <pre> to CoreModel::Block (listing)



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# File 'lib/coradoc/html/converters/listing.rb', line 34

def self.to_coradoc(element, _options = {})
  # Handle both <pre> and <div class="listing-block"><pre>
  pre_elem = if element.name == 'div' && element['class']&.include?('listing-block')
               element.at_css('pre')
             elsif element.name == 'pre'
               element
             else
               return nil
             end

  return nil unless pre_elem

  # Extract title if in listing-block wrapper
  title = if element.name == 'div'
            title_elem = element.at_css('.listing-title')
            title_elem&.text&.strip
          end

  # Extract content
  content = pre_elem.text

  # Extract ID if present
  id = pre_elem['id'] || element['id']

  Coradoc::CoreModel::SourceBlock.new(
    content: content,
    title: title,
    id: id
  )
end

.to_html(listing, _options = {}) ⇒ Object

Convert CoreModel::Block (listing) to HTML <pre>



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# File 'lib/coradoc/html/converters/listing.rb', line 9

def self.to_html(listing, _options = {})
  return '' unless listing

  # Build pre attributes
  attrs = build_attributes(listing)

  # Build title if present
  title_html = build_title(listing)

  # Process listing content - preserve formatting
  content = process_content(listing.content)

  # Combine title and content
  listing_html = ''
  listing_html += "#{title_html}\n" if title_html
  listing_html += %(<pre#{attrs}>#{content}</pre>)

  if title_html
    %(<div class="listing-block">\n#{listing_html}\n</div>)
  else
    listing_html
  end
end