diff options
| author | Marat Radchenko <marat@slonopotamus.org> | 2020-07-03 18:38:38 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-03 18:38:38 +0300 |
| commit | dd39e5e34c455262f568424084b199142973127c (patch) | |
| tree | 2e1e4f2203a08b04a5dcbfb800c5dd9a3fe55be7 /lib | |
| parent | 79ea7e7d8b1ca01b0d93fe307b0b1fd2b5aa22f0 (diff) | |
resolves #10 add support for MathML via AsciiMath (#346)
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/asciidoctor-epub3/converter.rb | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/lib/asciidoctor-epub3/converter.rb b/lib/asciidoctor-epub3/converter.rb index 829b889..276da46 100644 --- a/lib/asciidoctor-epub3/converter.rb +++ b/lib/asciidoctor-epub3/converter.rb @@ -384,7 +384,7 @@ module Asciidoctor # NOTE kindlegen seems to mangle the <header> element, so we wrap its content in a div lines = [%(<!DOCTYPE html> -<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xml:lang="#{lang = node.document.attr 'lang', 'en'}" lang="#{lang}"> +<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="#{lang = node.document.attr 'lang', 'en'}" lang="#{lang}"> <head> <meta charset="UTF-8"/> <title>#{doctitle_sanitized}</title> @@ -594,8 +594,28 @@ document.addEventListener('DOMContentLoaded', function(event, reader) { </figure>) end - # TODO: implement proper stem support. See https://github.com/asciidoctor/asciidoctor-epub3/issues/10 - alias convert_stem convert_listing + def convert_stem node + return convert_listing node if node.style != 'asciimath' || !asciimath_available? + + id_attr = node.id ? %( id="#{node.id}") : '' + title_element = node.title? ? %(<figcaption>#{node.captioned_title}</figcaption>) : '' + equation_data = AsciiMath.parse(node.content).to_mathml 'mml:' + + %(<figure#{id_attr} class="#{prepend_space node.role}"> +#{title_element} +<div class="content"> +#{equation_data} +</div> +</figure>) + end + + def asciimath_available? + (@asciimath_status ||= load_asciimath) == :loaded + end + + def load_asciimath + Helpers.require_library('asciimath', true, :warn).nil? ? :unavailable : :loaded + end # QUESTION should we wrap the <pre> in either <div> or <figure>? def convert_literal node @@ -1200,25 +1220,30 @@ document.addEventListener('DOMContentLoaded', function(event, reader) { def convert_inline_quoted node open, close, tag = QUOTE_TAGS[node.type] - # TODO: implement proper stem support. See https://github.com/asciidoctor/asciidoctor-epub3/issues/10 + if node.type == :asciimath && asciimath_available? + content = AsciiMath.parse(node.text).to_mathml 'mml:' + else + content = node.text + end + node.add_role 'literal' if [:monospaced, :asciimath, :latexmath].include? node.type if node.id class_attr = class_string node if tag - %(#{open.chop} id="#{node.id}"#{class_attr}>#{node.text}#{close}) + %(#{open.chop} id="#{node.id}"#{class_attr}>#{content}#{close}) else - %(<span id="#{node.id}"#{class_attr}>#{open}#{node.text}#{close}</span>) + %(<span id="#{node.id}"#{class_attr}>#{open}#{content}#{close}</span>) end elsif role_valid_class? node.role class_attr = class_string node if tag - %(#{open.chop}#{class_attr}>#{node.text}#{close}) + %(#{open.chop}#{class_attr}>#{content}#{close}) else - %(<span#{class_attr}>#{open}#{node.text}#{close}</span>) + %(<span#{class_attr}>#{open}#{content}#{close}</span>) end else - %(#{open}#{node.text}#{close}) + %(#{open}#{content}#{close}) end end |