src/adoc: Import code from blog

1 files changed, 45 insertions, 0 deletions

diff --git a/src/adoc b/src/adoc
index e69de29..85d2387 100755
--- a/src/adoc
+++ b/src/adoc
@@ -0,0 +1,45 @@
+#!/bin/sh
+set -euo pipefail
+
+
+usage() {
+	echo 'Usage: adoc [-x] [-s] [-n INDENT_LEN] [FILENAME.adoc]'
+}
+
+FILENAME="${1:-}"
+eval "$(assert-arg -- "$FILENAME" 'FILENAME.adoc')"
+
+
+plaintext_links() {
+	awk -v BASE="$(basename "$FILENAME" .adoc)".html '
+	{ print }
+	/^----$/ {
+		in_block = !in_block
+		if (in_block) {
+			next
+		}
+		file = BASE "." count++ ".txt"
+		print "[role=plaintext]"
+		print "link:" file "[plaintext]"
+	}' "$1"
+}
+
+runtidy() {
+	statusconv 1:0 tidy \
+		-quiet                  \
+		-indent                 \
+		--indent-attributes yes \
+		--show-body-only yes    \
+		--show-warnings no      \
+		--tidy-mark no          \
+		--wrap 120
+}
+
+indent_4_blocks() {
+	printf '<div><div><div><div>%s</div></div></div></div>' "$(cat -)" |
+	runtidy    |
+	head -n -4 |
+	tail -n +5
+}
+
+plaintext_links "$FILENAME" | asciidoctor -s - | indent_4_blocks