diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/rssg | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/tools/rssg b/tools/rssg deleted file mode 100755 index 52031e7..0000000 --- a/tools/rssg +++ /dev/null @@ -1,189 +0,0 @@ -#!/bin/sh -# -# https://www.romanzolotarev.com/bin/rssg -# Copyright 2018 Roman Zolotarev <hi@romanzolotarev.com> -# -# Permission to use, copy, modify, and/or distribute this software for any -# purpose with or without fee is hereby granted, provided that the above -# copyright notice and this permission notice appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -# -set -e - - -main () { - test -n "$1" || usage - test -n "$2" || usage - test -f "$1" || no_file "$1" - - - index_file=$(readlink -f "$1") - test -z "${index_file##*html}" && html=$(cat "$index_file") - test -z "${index_file##*md}" && html=$(md_to_html "$index_file") - test -n "$html" || usage - - base="${index_file%/*}" - base_url="$(echo "$html" | get_url | sed 's#\(.*\)/[^/]*#\1#')" - - url=$( echo "$html" | get_url) - - title="$2" - - description=$( echo "$html" | get_description | - remove_tags | - remove_nbsp ) - - items=$( echo "$html" | get_items) - - rss=$( echo "$items" | - render_items "$base" "$base_url" | - render_feed "$url" "$title" "$description") - - >&2 echo "[rssg] ${index_file##$(pwd)/} $(echo "$rss" | grep -c '<item>') items" - echo "$rss" -} - - -usage() { - echo "usage: ${0##*/} index.{html,md} title > rss.xml" >&2 - exit 1 -} - - -no_file() { - echo "${0##*/}: $1: No such file" >&2 - exit 2 -} - - -md_to_html() { - test -x "$(which lowdown)" || exit 3 - lowdown \ - -D html-skiphtml \ - -D smarty \ - -d metadata \ - -d autolink "$1" -} - - -get_title() { - awk 'tolower($0)~/^<h1/{gsub(/<[^>]*>/,"",$0);print;exit}' -} - - -get_url() { - grep -i '<a .*rss.xml"' | head -1 | - sed 's#.*href="\(.*\)".*#\1#' -} - - -get_items() { - grep -i 'href=".*" title="' | - sed 's#.*href="\(.*\)" title="\(.*\)">\(.*\)</a>.*#\1 \2 \3#' -} - - -get_description() { - start='sub("^.*<"s"*"t"("s"[^>]*)?>","")' - stop='sub("</"s"*"t""s"*>.*","")&&x=1' - awk -v 's=[[:space:]]' -v 't=[Pp]' "$start,$stop;x{exit}" -} - -remove_tags() { - sed 's#<[^>]*>##g;s#</[^>]*>##g' -} - - -remove_nbsp() { - sed 's#\ # #g' -} - - -rel_to_abs_urls() { - site_url="$1" - base_url="$2" - - abs='s#(src|href)="/([^"]*)"#\1="'"$site_url"/'\2"#g' - rel='s#(src|href)="([^:/"]*)"#\1="'"$base_url"/'\2"#g' - sed -E "$abs;$rel" -} - - -date_rfc_822() { - date -j '+%a, %d %b %Y %H:%M:%S %z' \ - "$(echo "$1"| tr -cd '[:digit:]')0000" -} - - -render_items() { - while read -r i - do render_item "$1" "$2" "$i" - done -} - - -render_item() { - base="$1" - base_url="$2" - item="$3" - - site_url="$(echo "$base_url"| sed 's#\(.*//.*\)/.*#\1#')" - - date=$(echo "$item"|awk '{print$2}') - url=$(echo "$item"|awk '{print$1}') - - f="$base/$url" - test -f "$f" && html=$(cat "$f") - test -f "${f%\.html}.md" && html=$(md_to_html "${f%\.html}.md") - - description=$( - echo "$html" | - rel_to_abs_urls "$site_url" "$base_url" | - remove_nbsp - ) - title=$(echo "$description" | get_title) - guid="$base_url/$(echo "$url" | sed 's#^/##')" - - echo ' -<item> -<guid>'"$guid"'</guid> -<link>'"$guid"'</link> -<pubDate>'"$(date_rfc_822 "$date")"'</pubDate> -<title>'"$title"'</title> -<description><![CDATA[ - -'"$description"' - -]]></description> -</item>' -} - - -render_feed() { - url="$1" - title=$(echo "$2" | remove_nbsp) - description="$3" - - base_url="$(echo "$url" | cut -d '/' -f1-3)" - - echo '<?xml version="1.0" encoding="UTF-8"?> -<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"> -<channel> -<atom:link href="'"$url"'" rel="self" type="application/rss+xml" /> -<title>'"$title"'</title> -<description>'"$description"'</description> -<link>'"$base_url"'/</link> -<lastBuildDate>'"$(date_rfc_822 date)"'</lastBuildDate> -'"$(cat)"' -</channel></rss>' -} - - -main "$@" |