| # Copyright 2021-2023 The Khronos Group Inc. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| require 'asciidoctor/extensions' unless RUBY_ENGINE == 'opal' |
| |
| include Asciidoctor |
| |
| class ExistsIncludeProcessor < Extensions::IncludeProcessor |
| def handles? target |
| # Only handle files which do not exist |
| # This relies on the full absolute path to every include file being |
| # given, since relative directory information exists only in the |
| # process method. |
| |
| not File.exist? target |
| end |
| |
| def process doc, reader, target, attributes |
| # If we reach this point, we have been asked to include a file which |
| # does not exist. Do nothing, instead of raising an error. |
| |
| reader |
| end |
| end |
| |
| Extensions.register do |
| include_processor ExistsIncludeProcessor |
| end |
| |
