{%- assign workspace = include.workspace | default: "/" -%}
{%- assign workspace_level = workspace | append: "temp/" | split: "/" | size | minus: 1 -%}
{%- assign workspace_files = html_files | where_exp: "item", "item.dir == workspace" -%}

{%- capture items -%}
    {%- for item in html_dirs -%}
        {%- assign current_m1 = item.dir | append: "temp/" | split: "/" | size | minus: 2 -%}
        {%- if workspace_level == current_m1 -%}
            {%- assign temp = workspace | append: "@@" -%}
            {%- assign dir = item.dir | replace: workspace, temp | split: "@@" | first -%}
            {%- if workspace == dir -%}
                {{ item.dir }}|
            {%- endif -%}
        {%- endif -%}
    {%- endfor -%}
{%- endcapture -%}
{%- assign workspace_dirs = items | split: "|" -%}

{%- if workspace_level > 1 -%}
    {%- assign dir = html_pages | where: "url", workspace | first -%}
    {%- if workspace_level == 2 %}
        <p class="caption"><span class="caption-text">{{ dir.title | default: dir.url }}</span></p>
    {%- else %}
        <a class="reference internal" href="{{ site.baseurl | append: dir.url }}">{{ dir.title | default: dir.url }}</a>
    {%- endif -%}
{%- endif %}

<ul>
    {%- for item in workspace_files -%}
        {%- assign level = item.dir | append: "temp/" | split: "/" | size | minus: 1 -%}
        {%- capture current %}{% if page.url == item.url %}current{% endif %}{% endcapture -%}
        {%- if level > 1 -%}
            {%- assign level = level | minus: 1 -%}
        {%- endif %}
        <li class="toctree-l{{ level }} {{ current }}">
            <a class="reference internal {{ current }}" href="{{ site.baseurl | append: item.url }}">
                {{ item.title | default: item.url }}
            </a>
        </li>
    {%- endfor -%}
    {%- for workspace in workspace_dirs -%}
        {%- assign level = workspace | append: "temp/" | split: "/" | size | minus: 2 -%}
        {%- assign start = "" -%}
        {%- assign end = "" -%}
        {%- if level > 1 -%}
            {%- assign level = level | minus: 1 -%}
            {%- capture start %}<li class="toctree-l{{ level }}">{% endcapture -%}
            {%- capture end %}</li>{% endcapture -%}
        {%- endif -%}
        {{ start }}{% include sidebar.liquid %}{{ end }}
    {%- endfor -%}
</ul>