From 438014583ba2c244675d0f8d7f7f8bf9d568a7c8 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Sun, 1 Sep 2024 09:14:28 -0300
Subject: Initial version

---
 src/html | 307 +++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 149 insertions(+), 158 deletions(-)

(limited to 'src/html')

diff --git a/src/html b/src/html
index 007fcc2..3e100cb 100755
--- a/src/html
+++ b/src/html
@@ -1,174 +1,165 @@
 #!/bin/sh
-set -eu
+set -euo pipefail
+
 
 usage() {
-	echo 'Usage: html FILENAME'
+	echo 'Usage: html FILENAME.htmlbody'
 }
 
 FILENAME="${1:-}"
-eval "$(assert-arg -- "$FILENAME" 'FILENAME')"
-
-. "${FILENAME%.*}.conf"
-
-#
-# Utility functions
-#
-
-INDENT='        '
-markdown_to_html() {
-	md2html | awk -vINDENT="$INDENT" '
-		BEGIN {
-			in_block = 0
-		}
-
-		{
-			if (in_block == 0) {
-				printf "%s", INDENT
-			}
-			print
-		}
-
-		/^<\/code><\/pre>$/ {
-			in_block = 0
-		}
-
-		/^<pre><code/ {
-			in_block = 1
-		}
-	'
+eval "$(assert-arg -- "$FILENAME" 'FILENAME.htmlbody')"
+. "$(realpath -- "${FILENAME%.*}.conf")"
+
+
+dates() {
+	if [ -z "$date_formatted" ]; then
+		return
+	fi
+
+	cat <<EOF
+        <section id="timestamps">
+          <p id="published-at">
+            Posted on <time datetime="$date_iso">$date_formatted</time>
+          </p>
+EOF
+
+	if [ -n "$updatedat_formatted" ]; then
+		cat <<EOF
+          <p id="updated-at">
+            Updated on <time datetime="$updatedat_iso">"$updatedat_formatted</time>"
+          </p>
+EOF
+	fi
+
+	cat <<EOF
+        </section>
+EOF
 }
 
-extract_plaintext_snippets() (
-	SNIPPETS="${FILENAME%.*}.snippets"
-	printf '' > "$SNIPPETS"
-	F="$(mkstemp)"
-	cat > "$F"
-	IFS=''
-	BLOCK_NUMBER=0
-	IN_BLOCK=
-	while read -r line; do
-		if [ "$line" = '</code></pre>' ]; then
-			IN_BLOCK=
-		fi
-
-		if [ -n "$IN_BLOCK" ]; then
-			printf '%s\n' "$line" | htmlesc -d >> "$OUT"
-		fi
-
-		if printf '%s' "$line" | grep -q "^$INDENT<pre><code"; then
-			IN_BLOCK=1
-			OUT="${FILENAME%.*}.html.$BLOCK_NUMBER.txt"
-			BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
-			printf '%s\n' "$line" |
-				sed "s|^\($INDENT<pre><code.*>\)\(.*\)$|\2|" |
-				htmlesc -d > "$OUT"
-			printf '%s\n' "$OUT" >> "$SNIPPETS"
-		fi
-	done < "$F"
-
-	BLOCK_NUMBER=0
-	while read -r line; do
-		printf '%s\n' "$line"
-
-		if [ "$line" = '</code></pre>' ]; then
-			printf '%s<p class="plaintext-link"><a href="%s">plaintext</a></p>\n' \
-				"$INDENT" \
-				"$(basename "${url_part:?}").$BLOCK_NUMBER.txt"
-			BLOCK_NUMBER=$((BLOCK_NUMBER + 1))
-		fi
-	done < "$F"
-)
-
-add_line_numbers() {
-	awk '
-		/^<\/code><\/pre>$/ {
-			in_block = 0
-			printf "</tbody></table>%s\n", $0
-			next
-		}
-
-		match($0, /^( +<pre><code.*>)(.*)$/, a) {
-			printf "%s<table rules=columns class=\"code-block\"><tbody>", a[1]
-
-			n = 1
-			block_count++
-			printf "<tr><td class=\"line-number\"><a id=\"B%s-L%s\" href=\"#B%s-L%s\">%s</a></td><td class=\"code-line\">%s</td></tr>\n", block_count, n, block_count, n, n, a[2]
-			in_block = 1
-			next
-		}
-
-		in_block == 1 {
-			n++
-			printf "<tr><td class=\"line-number\"><a id=\"B%s-L%s\" href=\"#B%s-L%s\">%s</a></td><td class=\"code-line\">%s</td></tr>\n", block_count, n, block_count, n, n, $0
-			next
-		}
-
-		{ print }
-	'
-}
+h1() {
+	if [ "${custom_body:-}" = true ]; then
+		return
+	fi
 
-add_headings_anchors() (
-	IFS=''
-	while read -r line; do
-		if ! printf '%s' "$line" | grep -q "^$INDENT<h[2-6]>"; then
-			printf '%s\n' "$line"
-			continue
-		fi
-		LVL="$(printf '%s' "$line" | sed "s|^$INDENT<h\(.\)>.*|\1|")"
-		HEADING="$(printf '%s' "$line" | sed "s|^$INDENT<h.>\(.*\)</h.>$|\1|")"
-		SLUG="$(slugify "$HEADING")"
-		printf '%s<h%s class="header-anchor" id="%s">%s<a href="#%s" aria-hidden="true"><img class="svg-icon" src="%s" /></a></h%s>\n' \
-			"$INDENT"  \
-			"$LVL"     \
-			"$SLUG"    \
-			"$HEADING" \
-			"$SLUG"    \
-			"${icon_link_url:?}" \
-			"$LVL"
-	done
-)
-
-
-warn_duplicate_ids() {
-	F="$(mkstemp)"
-	tee "$F"
-	{
-		grep "^$INDENT<h[2-6] class=\"header-anchor\" id=\"" |
-			sed "s|^$INDENT<h[2-6] class=\"header-anchor\" id=\"\(.*\)\">.*<a href=.*$|\1|" |
-			sort |
-			uniq -c |
-			awk -v F="$FILENAME" '$1 != 1 {
-				printf "WARNING: duplicate header id: %s: %s\n", F, $2
-			}'
-	} >&2 < "$F"
-	rm "$F"
+	cat <<EOF
+        <h1>
+          $title_html
+        </h1>
+EOF
 }
 
-emit_body() {
-	< "${FILENAME%.*}.content" \
-		markdown_to_html           |
-		extract_plaintext_snippets |
-		add_line_numbers           |
-		add_headings_anchors       |
-		warn_duplicate_ids
+comments() {
+	if [ "${custom_body:-}" = true ]; then
+		return
+	fi
+
+	cat <<EOF
+        <section>
+          <hr />
+          <footer>
+            <p id="comment">
+              <a href="$comment_url">Comment</a>
+              about this page and see
+              <a href="$discussions_url">existing discussions</a>
+              |
+              <a href="$sourcecode_url_prefix/$source_path">view source</a>
+            </p>
+          </footer>
+        </section>
+EOF
 }
 
-if [ -r "$FILENAME".prev ]; then
-	collection_head_prev_html="$(
-		printf '    <link rel="prev"       type="text/html"            href="%s" />' \
-			"$(url-for < "$FILENAME".prev)"
-	)"
-	export collection_head_prev_html
-fi
 
-if [ -r "$FILENAME".next ]; then
-	collection_head_next_html="$(
-		printf '    <link rel="next"       type="text/html"            href="%s" />' \
-			"$(url-for < "$FILENAME".next)"
-	)"
-	export collection_head_next_html
+head_meta_author_html=
+if [ -n "${author:-}" ]; then
+	head_meta_author_html="    <meta name=\"author\"   content=\"$author\" />"
 fi
 
-envsubst < lib/preamble.html  | sed '/^$/d'
-emit_body | tee "${FILENAME%.*}.htmlbody"
-envsubst < lib/postamble.html | sed '/^$/d'
+
+headlinks() {
+	if [ -z "${header_links:-}" ]; then
+		return
+	fi
+
+	echo '        <ol>'
+
+	while read -r line; do
+		link="$(printf '%s\n' "$line" | cut -d'	' -f1)"
+		name="$(printf '%s\n' "$line" | cut -d'	' -f2)"
+		cat <<EOF
+          <li>
+            <a href="$base_url_prefix/$link">$name</a>
+          </li>
+EOF
+	done < "$header_links"
+
+	echo '        </ol>'
+}
+
+
+collection_head_prev_html=
+collection_head_post_html=
+cat <<EOF | sed '/^$/d'
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+$head_meta_author_html
+    <link rel="stylesheet"    type="text/css"             href="$css_url" />
+    <link rel="shortcut icon" type="image/svg+xml"        href="$favicon_url" />
+    <link rel="canonical"     type="text/html"            href="$url_absolute" />
+    <link rel="alternate"     type="application/atom+xml" href="$atom_url" title="$feed_title_html" />
+$collection_head_prev_html
+$collection_head_post_html
+    <title>$titlefull_html</title>
+  </head>
+  <body>
+    <header>
+      <nav>
+        <a href="$base_url_prefix/">
+          <picture>
+            <source srcset="$logo_url_prefix/dark.svg" media="(prefers-color-scheme: dark)" />
+            <img       src="$logo_url_prefix/light.svg" alt="$logo_alt" />
+          </picture>
+        </a>
+$(headlinks)
+      </nav>
+      <hr />
+    </header>
+    <main>
+      <article>
+EOF
+
+h1
+dates
+
+cat "$FILENAME"
+
+comments
+
+cat <<EOF
+      </article>
+    </main>
+    <footer>
+      <hr />
+      <ul>
+        <li>
+          <picture>
+            <source srcset="$envelopeicon_url_prefix/dark.svg" media="(prefers-color-scheme: dark)" />
+            <img       src="$envelopeicon_url_prefix/light.svg" class="icon" alt="An outlined icon of an envelope" />
+          </picture>
+          <a href="mailto:$email">$email</a>
+        </li>
+      </ul>
+      <p id="license">
+        The content for this site is licensed under
+        <a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/">CC BY-SA 4.0</a>.
+        The <a href="$sourcecode_url/">code</a> is
+        <a rel="license" href="$sourcecode_url_prefix/COPYING">AGPLv3 or later</a>.
+        Patches welcome.
+      </p>
+    </footer>
+  </body>
+</html>
+EOF
-- 
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