Class: MarkdownComposer::Executor

Inherits:
Object
  • Object
show all
Defined in:
lib/markdown_composer/executor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sources:, plan:, options: {}) ⇒ Executor

Returns a new instance of Executor.



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# File 'lib/markdown_composer/executor.rb', line 7

def initialize(sources:, plan:, options: {})
  @sources = Array(sources).map { |source| Source.build(source) }
  @plan = plan
  @options = options
  @diagnostics = Diagnostics.new
  @stages = {}
end

Instance Attribute Details

#diagnostics ⇒ Object (readonly)

Returns the value of attribute diagnostics.



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# File 'lib/markdown_composer/executor.rb', line 5

def diagnostics
  @diagnostics
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/markdown_composer/executor.rb', line 5

def options
  @options
end

#plan ⇒ Object (readonly)

Returns the value of attribute plan.



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# File 'lib/markdown_composer/executor.rb', line 5

def plan
  @plan
end

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/markdown_composer/executor.rb', line 5

def sources
  @sources
end

#stages ⇒ Object (readonly)

Returns the value of attribute stages.



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# File 'lib/markdown_composer/executor.rb', line 5

def stages
  @stages
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/markdown_composer/executor.rb', line 15

def call
  Validator.new(plan, sources: sources, options: options, diagnostics: diagnostics).call
  return result(CompositionBuffer.new(diagnostics: diagnostics), html: nil) if diagnostics.any_errors?

  buffer = CompositionBuffer.new(initial_buffer, diagnostics: diagnostics)
  return result(buffer, html: nil) if diagnostics.any_errors?

  indexes = {}
  previous_source = nil

  plan.steps.each_with_index do |step, index|
    row_path = "compose[#{index}]"
    source_ref = effective_source_ref(step["source"], previous_source)
    source_index = source_index_for(source_ref, buffer, indexes, path: "#{row_path}.source")
    next unless source_index

    resolver = SelectionResolver.new(index: source_index, options: options, diagnostics: diagnostics, path: "#{row_path}.select")
    units = if step["action"] == "remove_buffer_target"
      []
    else
      resolver.resolve_with_includes(step["select"], step["include"])
    end
    diagnostics.warn("selection.empty", "Step selected no content", path: row_path) if units.empty? && step["action"] != "remove_buffer_target"
    apply_action(buffer, step, units, row_path: row_path)
    stages["step_#{index + 1}"] = buffer.markdown if options.fetch(:stages, false)
    previous_source = source_ref
  end

  stages["composed"] = buffer.markdown if options.fetch(:stages, false)
  TransformRunner.new(buffer: buffer, transforms: plan.transforms, output: plan.output, options: options, diagnostics: diagnostics, stages: stages).call
  html = if plan.output == "html"
    rendered = MarkdownRenderer.to_html(buffer.markdown, diagnostics: diagnostics)
    MarkdownRenderer.apply_link_modes(rendered, html_link_modes, diagnostics: diagnostics)
  end
  result(buffer, html: html)
end