282 lines
8.4 KiB
HTML
282 lines
8.4 KiB
HTML
<!--
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Refactor the HTML structure.
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-->
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{% assign _content = include.content %}
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<!--
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In order to allow a wide table to scroll horizontally,
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we suround the markdown table with `<div class="table-wrapper">` and `</div>`
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-->
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{% if _content contains '<table' %}
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{% assign _content = _content
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| replace: '<table', '<div class="table-wrapper"><table'
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| replace: '</table>', '</table></div>'
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| replace: '<code><div class="table-wrapper">', '<code>'
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| replace: '</table></div></code>', '</table></code>'
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%}
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{% endif %}
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<!--
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Fixed kramdown code highlight rendering:
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https://github.com/penibelst/jekyll-compress-html/issues/101
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https://github.com/penibelst/jekyll-compress-html/issues/71#issuecomment-188144901
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-->
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{% if _content contains '<pre class="highlight">' %}
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{% assign _content = _content
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| replace: '<div class="highlight"><pre class="highlight"><code', '<div class="highlight"><code'
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| replace: '</code></pre></div>', '</code></div>'
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%}
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{% endif %}
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<!-- Add attribute 'hide-bullet' to the checkbox list -->
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{% if _content contains '<li class="task-list-item"><' %}
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{% assign _content = _content
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| replace: '"task-list-item"><', '"task-list-item" hide-bullet><'
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%}
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{% endif %}
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<!-- images -->
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{% assign IMG_TAG = '<img ' %}
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{% if _content contains IMG_TAG %}
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{% assign _img_content = nil %}
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{% assign _img_snippets = _content | split: IMG_TAG %}
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{% for _img_snippet in _img_snippets %}
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{% if forloop.first %}
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{% assign _img_content = _img_snippet %}
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{% continue %}
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{% endif %}
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{% assign _width = nil %}
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{% assign _height = nil %}
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{% assign _src = nil %}
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{% assign _left = _img_snippet | split: '>' | first %}
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{% assign _right = _img_snippet | remove: _left %}
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{% assign _left = _left | remove: ' /' %}
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{% assign _left = _left | replace: ' w=', ' width=' | replace: ' h=', ' height=' %}
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{% assign _attrs = _left | split: ' ' %}
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{% for _attr in _attrs %}
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{% assign _pair = _attr | split: '=' %}
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{% if _pair.size < 2 %}
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{% continue %}
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{% endif %}
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{% capture _key %}{{ _pair | first }}{% endcapture %}
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{% capture _value %}{{ _pair | last | replace: '"', '' }}{% endcapture %}
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{% case _key %}
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{% when 'width' %}
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{% assign _width = _value %}
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{% when 'height' %}
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{% assign _height = _value %}
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{% when 'src' %}
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{% assign _src = _value %}
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{% endcase %}
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{% if _width and _height and _src %}
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{% break %}
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{% endif %}
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{% endfor %}
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{% if _src %}
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{% unless _src contains '://' %}
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<!-- Add CDN URL -->
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{% if site.img_cdn %}
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{% if site.img_cdn contains '//' %}
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{% assign _src_prefix = site.img_cdn %}
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{% else %}
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{% assign _src_prefix = site.img_cdn | relative_url %}
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{% endif %}
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{% else %}
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{% assign _src_prefix = site.baseurl %}
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{% endif %}
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<!-- Add image path -->
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{% if page.img_path %}
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{% assign _path = page.img_path %}
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{% assign last_char = _path | slice: -1 %}
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{% unless last_char == '/' %}
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{% assign _path = _path | append: '/' %}
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{% endunless %}
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{% assign _src_prefix = _src_prefix | append: _path %}
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{% endif %}
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{% assign _final_src = _src_prefix | append: _src %}
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{% assign _left = _left | replace: _src, _final_src %}
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{% endunless %}
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<!-- lazy-load images <https://github.com/ApoorvSaxena/lozad.js#usage> -->
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{% assign _left = _left | replace: 'src=', 'data-src=' %}
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{% endif %}
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<!-- Add SVG placehoder to prevent layout reflow -->
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{% if _width and _height %}
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{%- capture _svg -%}
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src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 {{ _width }} {{ _height }}'%3E%3C/svg%3E"
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{%- endcapture -%}
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{% assign _left = _svg | append: ' ' | append: _left %}
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{% endif %}
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<!-- Bypass the HTML-proofer test -->
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{% assign _left = _left | append: ' data-proofer-ignore' %}
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{% assign _img_content = _img_content | append: IMG_TAG | append: _left | append: _right %}
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{% endfor %}
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{% assign _content = _img_content %}
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{% endif %}
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<!-- Add header for code snippets -->
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{% if _content contains '<div class="highlight"><code>' %}
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{% assign _code_spippets = _content | split: '<div class="highlight"><code>' %}
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{% assign _new_content = '' %}
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{% for _snippet in _code_spippets %}
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{% if forloop.last %}
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{% assign _new_content = _new_content | append: _snippet %}
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{% else %}
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{% assign _left = _snippet | split: '><' | last%}
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{% if _left contains 'file="' %}
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{% assign _label_text = _left | split: 'file="' | last | split: '"' | first %}
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{% assign _label_icon = 'far fa-file-code' %}
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{% else %}
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{% assign _lang = _left | split: 'language-' | last | split: ' ' | first %}
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{% capture _label_text %}{% include language-alias.html language=_lang %}{% endcapture %}
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{% assign _label_icon = 'fas fa-code small' %}
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{% endif %}
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{% capture _label %}
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<span data-label-text="{{ _label_text | strip }}"><i class="{{ _label_icon }}"></i></span>
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{% endcapture %}
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{% assign _new_content = _new_content | append: _snippet
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| append: '<div class="code-header">'
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| append: _label
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| append: '<button aria-label="copy" data-title-succeed="'
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| append: site.data.locales[site.lang].post.button.copy_code.succeed
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| append: '"><i class="far fa-clipboard"></i></button></div>'
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| append: '<div class="highlight"><code>'
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%}
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{% endif %}
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{% endfor %}
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{% assign _content = _new_content %}
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{% endif %}
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<!-- Create heading anchors -->
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{% assign heading_levels = '2,3,4,5' | split: ',' %}
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{% assign _heading_content = _content %}
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{% for level in heading_levels %}
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{% capture mark_start %}<h{{ level }} id="{% endcapture %}
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{% capture mark_end %}</h{{ level }}>{% endcapture %}
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{% if _heading_content contains mark_start %}
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{% assign _new_content = nil %}
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{% assign heading_snippets = _heading_content | split: mark_start %}
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{% for snippet in heading_snippets %}
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{% if forloop.first %}
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{% assign _new_content = snippet %}
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{% continue %}
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{% endif %}
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{% assign id = snippet | split: '"' | first %}
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{% capture anchor %}<a href="#{{ id }}" class="anchor text-muted"><i class="fas fa-hashtag"></i></a>{% endcapture %}
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{% assign left = snippet | split: mark_end | first %}
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{% assign right = snippet | slice: left.size, snippet.size %}
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{% assign left = left | replace_first: '">', '"><span class="mr-2">' | append: '</span>' %}
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{% assign _new_content = _new_content | append: mark_start
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| append: left | append: anchor | append: right
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%}
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{% endfor %}
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{% assign _heading_content = _new_content %}
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{% endif %}
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{% endfor %}
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{% assign _content = _heading_content %}
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<!-- Wrap prompt element of blockquote with the <div> tag -->
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{% assign blockquote_start = '<blockquote class=' %}
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{% assign blockquote_end = '</blockquote>' %}
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{% assign cls_prefix = 'prompt-' %}
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{% if _content contains blockquote_start %}
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{% assign _prompt_content = nil %}
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{% assign _prompt_snippets = _content | split: blockquote_start %}
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{% for _snippet in _prompt_snippets %}
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{% if forloop.first %}
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{% assign _prompt_content = _snippet %}
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{% continue %}
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{% endif %}
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{% assign left = _snippet | split: blockquote_end | first %}
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{% assign right = _snippet | slice: left.size, _snippet.size %}
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{% assign cls_str = left | split: '>' | first %}
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{% assign cls_array = cls_str | remove: '"' | split: ' ' %}
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{% assign is_prompt = false %}
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{% for cls in cls_array %}
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{% if cls contains cls_prefix %}
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{% assign is_prompt = true %}
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{% break %}
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{% endif %}
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{% endfor %}
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{% unless is_prompt %}
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{% assign _prompt_content = _prompt_content | append: blockquote_start | append: _snippet %}
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{% continue %}
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{% endunless %}
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{% assign left = left | slice: cls_str.size, left.size %}
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{% assign left = cls_str | append: '><div' | append: left | append: '</div>' %}
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{% assign _prompt_content = _prompt_content | append: blockquote_start | append: left | append: right %}
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{% endfor %}
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{% assign _content = _prompt_content %}
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{% endif %}
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<!-- return -->
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{{ _content }}
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