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Diffstat (limited to 'v2/src/development/genhtml.sh')
| -rwxr-xr-x | v2/src/development/genhtml.sh | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/v2/src/development/genhtml.sh b/v2/src/development/genhtml.sh deleted file mode 100755 index 1b2718a..0000000 --- a/v2/src/development/genhtml.sh +++ /dev/null @@ -1,224 +0,0 @@ -#!/bin/sh -set -eu - -usage() { - cat <<-'EOF' - Usage: - genhtml.sh FILENAME - genhtml.sh -h - EOF -} - -help() { - cat <<-'EOF' - - Options: - -h, --help show this message - - FILENAME the name of the input file, to also be used as - URL - - - Process the FILENAME, and generate a full HTML page. - - The FILENAME is used to infer the output URL, by removing the - `src/content/` prefix, and replacing the trailing `.md` with - `.html`. This URL is used to build the self-referencing - "canonical" link, extracting plaintext snippets, etc. - - - Examples: - - Generate the HTML for a pastebin: - - $ sh genhtml.sh src/content/a-paste.md > src/content/a-paste.html - EOF -} - - -for f in "$@"; do - case "$f" in - --) - break - ;; - --help) - usage - help - exit - ;; - *) - ;; - esac -done - -while getopts 'h' flag; do - case "$flag" in - h) - usage - help - exit - ;; - *) - usage >&2 - exit 2 - ;; - esac -done -shift $((OPTIND - 1)) - -. src/development/lib.sh - -FILENAME="${1:-}" -eval "$(assert_arg "$FILENAME" 'FILENAME')" - - -# shellcheck source=/dev/null -. "${FILENAME%.md}.conf" - -# -# Utility functions -# - -SEEN_SLUGS="$(mkstemp)" -slugify_once() { - SLUG="$(printf '%s' "$1" | slugify)${2:+-$2}" - if grep -q "^$SLUG$" "$SEEN_SLUGS"; then - N="${2:-0}" - N=$((N + 1)) - slugify_once "$1" "$N" - else - printf '%s\n' "$SLUG" >> "$SEEN_SLUGS" - printf '%s' "$SLUG" - fi -} - -INDENT=' ' -markdown_to_html() { - md2html | awk -vINDENT="$INDENT" ' - BEGIN { - in_block = 0 - } - - { - if (in_block == 0) { - printf "%s", INDENT - } - print - } - - /^<\/code><\/pre>$/ { - in_block = 0 - } - - /^<pre><code/ { - in_block = 1 - } - ' -} - -extract_plaintext_snippets() { - SNIPPETS="${FILENAME%.md}.snippets" - rm -f "$SNIPPETS" - F="$(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%.md}.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, $0 - next - } - - { print } - ' -} - -add_headings_anchors() { - ( - IFS='' - while read -r line; do - if ! printf '%s' "$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_once "$HEADING")" - printf '%s<h%s class="header-anchor" id="%s">%s<a href="#%s" aria-hidden="true"><img class="svg-icon" src="%s" /></a></h%s>\n' \ - "$INDENT" \ - "$LVL" \ - "$SLUG" \ - "$HEADING" \ - "$SLUG" \ - "${icon_link_url:?}" \ - "$LVL" - done - ) -} - -emit_body() { - < "${FILENAME%.md}.content" \ - markdown_to_html | - extract_plaintext_snippets | - add_line_numbers | - add_headings_anchors -} - -envsubst < src/lib/preamble.html -emit_body -envsubst < src/lib/postamble.html |