From 66d48a7a4c98383e5baef20d352a3d2e4e681a6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Romain=20Gon=C3=A7alves?= <me@rgoncalves.se>
Date: Sat, 7 Aug 2021 18:20:38 +0200
Subject: bin: Generation scaffold

---
 bin/ssg | 113 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 bin/ssg

(limited to 'bin/ssg')

diff --git a/bin/ssg b/bin/ssg
new file mode 100755
index 0000000..f47f819
--- /dev/null
+++ b/bin/ssg
@@ -0,0 +1,113 @@
+#!/bin/sh
+
+TEMPLATE="templates/default.html"
+STATIC_DIRS="style img"
+TMP_FILE=".tmp"
+SRC="src"
+OUT="out"
+#BASE_URL=""
+
+. ./bin/ssg-template
+
+_log() {
+	echo [${0}] $@
+}
+
+_to_html() {
+	# 1: filename
+	# stdout: content
+	lowdown --html-no-skiphtml --html-no-escapehtml "${1}"
+}
+
+_install() {
+	# 1: filename
+	install -D "${TMP_FILE}" $(_get_out_path "${1}")
+}
+
+_template_heredoc() {
+	echo ". ${PWD}/bin/ssg-template" > "tmp/heredoc"
+	echo "cat <<EOF_TEMPLATE" >> "tmp/heredoc"
+	cat "${1}" >> "tmp/heredoc"
+	echo EOF_TEMPLATE >> "tmp/heredoc"
+
+	sh "tmp/heredoc" "${1}" > "${TMP_FILE}"
+	_to_html "${TMP_FILE}" > "${2}"
+}
+
+_convert_urls() {
+	# file url
+	if ! echo "${2}" | grep "^http" >/dev/null; then
+		sed -i "s@href=/@href=$2/@g" "${1}"
+	fi
+	sed -i "s@<a[^>]* href=\"[/^\"]*/@<a href=\"$2/@g" "${1}"
+	sed -i "s@<link[^>]* href=\"[/^\"]*/@<link href=\"$2/@g" "${1}"
+	sed -i "s@<img[^>]* src=\"[/^\"]*/@<img src=\"$2/@g" "${1}"
+}
+
+
+main() {
+	local file
+
+	# template files
+	for template in header footer; do
+		_log "> ${template}"
+		_to_html "templates/${template}.md" > "${TMP_FILE}"
+		install -D "${TMP_FILE}" "tmp/${template}.html"
+	done
+
+	# markdown files
+	for file in $(find "${SRC}" -iname "*.md"); do
+		if [ "${file}" -ot $(_get_out_path "${file}") ]; then
+			_log "! ${file}"
+			continue
+		fi
+
+		_log "> ${file}"
+
+		# Metadata
+		_cleanup_tmp_file "tmp/metadata.html"
+		_render_metadata "${file}" > "tmp/metadata.html"
+
+		# Table of content
+		_cleanup_tmp_file "tmp/toc.html"
+		if [ $(_get_value "${file}" "toc") ]; then
+			_render_toc "${file}" > "tmp/toc.html"
+		fi
+
+		# Index of directory
+		_cleanup_tmp_file "tmp/index.html"
+		if [ $(_get_value "${file}" "index") ]; then
+			_render_index "${file}" > "tmp/index.html"
+		fi
+
+		# Render body content
+		_to_html "${file}" > "tmp/body.html"
+
+		# Erase body content with templating
+		if basename "${file}" | grep "^_"; then
+			_template_heredoc "${file}" "tmp/body.html"
+		fi
+
+		# Concatenate temporary files to final page
+		m4 templates/default.html > "${TMP_FILE}"
+		install -D "${TMP_FILE}" $(_get_out_path "${file}")
+	done
+
+	# html files
+	for file in $(find "${SRC}" -iname "*.html"); do
+		_log "> ${file}"
+		_install "${file}"
+	done
+
+	# convert urls
+	for file in $(find "${OUT}" -iname "*.html"); do
+		_convert_urls "${file}" "${BASE_URL}"
+	done
+
+	for dir in ${STATIC_DIRS}; do
+		_log "> ${dir}/"
+		cp -R "src/${dir}" "out/${dir}"
+	done
+}
+
+main
-- 
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