{% comment %}
 # -----------------------------------------------------------------------------
 #  ~/_includes/themes/j1/procedures/global/get_page_path.proc
 #  Liquid PROCEDURE to calculate the path of a page (page_path)
 #
 #  https://jekyll-one.com
 #
 #  Copyright (C) 2019 Juergen Adams
 #
 #  J1 Template is licensed under the MIT License.
 #  See: https://github.com/jekyll-one/j1_template_mde/blob/master/LICENSE
 #
 # -----------------------------------------------------------------------------
 #   Global procedure. Calculates the absolute path of the current page
 #   relative to the web root. The path is resturned by the liquid variable
 #   page_path.
 #
 #    Usage:
 #      1)  include the get_page_path.proc procedure
 #      2)  set mode to full|short
 #      3)  assign|use the page_path variable
 #
 #  Example:
 #
 #    {% capture get_page_path %}themes/{{site.template.name}}/procedures/global/get_page_path.proc{% endcapture %}
 #
 #    {% include {{get_page_path}} %}
 #    {% assign my_page_path = page_path %}
 # -----------------------------------------------------------------------------
 #  Test data:
 #  liquid_var:  {{ liquid_var | debug }}
 # -----------------------------------------------------------------------------
{% endcomment %}

{% comment %} Liquid procedures
-------------------------------------------------------------------------------- {% endcomment %}


{% comment %} Variables
-------------------------------------------------------------------------------- {% endcomment %}
{% assign mode          = include.mode %}

{% comment %} extend path for posts|collections if collections_dir is used|set
-------------------------------------------------------------------------------- {% endcomment %}
{% if page.collection and site.collections_dir.size > 0 %}
  {% assign page_path     = page.path | prepend: "/" | prepend: site.collections_dir %}
  {% assign path_elements = page_path | split: "/" %}
{% else %}
  {% assign path_elements = page.path | split: "/" %}
{% endif %}

{% assign length          = path_elements.size | minus: 2 %}
{% assign _page_path      = "" %}


{% comment %} Main
-------------------------------------------------------------------------------- {% endcomment %}
{% for c in (0..length) %}
  {% capture _page_path %}{{_page_path}}/{{path_elements[c]}}{% endcapture %}
{% endfor %}

{% comment %} Check if source path defined relative (dot) seems wrong or unneeded
--------------------------------------------------------------------------------
{% if site.source.size %}
  {% assign source_path = site.source %}
{% else %}
  {% assign source_path = "." %}
{% endif %}
-------------------------------------------------------------------------------- {% endcomment %}


{% capture bla_path %}{{_page_path | remove_first:'/'}}{{_page_path}}{% endcapture %}

{% capture page_path %}{{source_path | remove_first:'/'}}{{_page_path}}{% endcapture %}

source_path:  {{ source_path | debug }}
bla_path:  {{ bla_path | debug }}
_page_path:  {{ _page_path | debug }}