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initial commit with stuff from arise
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Wheaterwax 2025-09-01 18:57:24 -03:00
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lib/functions/inline/get_page_metadata.sh Normal file
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#!/bin/bash
#############
# DESCRIPTION
#############
# Pulls all the Arise-specific metadata from the header of a given page.
#
# This function is meant to be run inline before other functions so that it can populate the information other functions need to operate upon.
#
#############
# Usage:
# get_page_metadata source.md
get_page_metadata() {
if [[ -e $1 ]]; then
metadata=$(sed -e '/END ARISE/,$d' < $1)
# Main page metadata
title="$(grep "Title::" <<< $metadata)" # Grab the line with the metadata we want
title="${title%\"}" # Remove the trailing quote at the end
title="${title#Title:: }" # Remove the name of the metadata variable from the start
title="${title#\"}" # Remove the quote at the start of the parsed variable
author="$(grep "Author::" <<< $metadata)"
author="${author%\"}"
author="${author#Author:: }"
author="${author#\"}"
description="$(grep "Description::" <<< $metadata)"
description="${description%\"}"
description="${description#Description:: }"
description="${description#\"}"
language="$(grep "Language::" <<< $metadata)"
language="${language%\"}"
language="${language#Language:: }"
language="${language#\"}"
thumbnail="$(grep "Thumbnail::" <<< $metadata)"
thumbnail="${thumbnail%\"}"
thumbnail="${thumbnail#Thumbnail:: }"
thumbnail="${thumbnail#\"}"
published_date="$(grep "Published Date::" <<< $metadata)"
published_date="${published_date%\"}"
published_date="${published_date#Published Date:: }"
published_date="${published_date#\"}"
modified_date="$(grep "Modified Date::" <<< $metadata)"
modified_date="${modified_date%\"}"
modified_date="${modified_date#Modified Date:: }"
modified_date="${modified_date#\"}"
# Clean metadata of XML special characters so we don't break the sitemap or RSS feed
title="$(clean_xml_string "$title")"
author="$(clean_xml_string "$author")"
description="$(clean_xml_string "$description")"
language="$(clean_xml_string "$language")"
thumbnail="$(clean_xml_string "$thumbnail")"
published_date="$(clean_xml_string "$published_date")"
modified_date="$(clean_xml_string "$modified_date")"
# Optional page settings with default settings
# is_toc default: false
is_toc=$(grep "toc::" <<< $metadata | cut -d '"' -f2)
if [[ $is_toc != "true" ]]; then
is_toc="false"
fi
# process_markdown default: true
process_markdown=$(grep "process_markdown::" <<< $metadata | cut -d '"' -f2)
if [[ $process_markdown != "false" ]]; then
process_markdown="true"
fi
# content_header default: true
content_header=$(grep "content_header::" <<< $metadata | cut -d '"' -f2)
if [[ $content_header != "false" ]]; then
content_header="true"
fi
# rss_hide default: false
rss_hide=$(grep "rss_hide::" <<< $metadata | cut -d '"' -f2)
if [[ $rss_hide != "true" ]]; then
rss_hide="false"
fi
# URL
relative_url="$(realpath $(dirname $1) | sed 's@.*arise-out@@g')"'/'
canonical_url="$base_url""$relative_url"
else
# Clear out metadata so that anything calling this function expecting to get new data cannot get old values on accident if the requested file does not exist.
clear_metadata
fi
}