#!/bin/sh
#
# searchproviders2html.sh, Copyright © 2018 Matteo Cypriani
#
# This program is free software. It comes without any warranty, to the extent
# permitted by applicable law. You can redistribute it and/or modify it under
# the terms of the Do What The Fuck You Want To Public License, Version 2, as
# published by Sam Hocevar. See http://sam.zoy.org/wtfpl/COPYING for more
# details.
#
# This script converts Konqueror's search providers (a.k.a. web shortcuts) into
# a Firefox-friendly HTML bookmarks file.

set -e

print_header()
{
	cat <<EOF
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
<TITLE>Bookmarks</TITLE>
<H1>Bookmarks Menu</H1>
<DL><p>
	<DT><H3>Search providers</H3>
	<DL><p>
EOF
}

print_bookmark()
{
	printf '\t\t<DT><A HREF="%s" SHORTCUTURL="%s">%s</A>\n' \
		"$URL" "$SHORTCUT" "$TITLE"
}

print_footer()
{
	cat <<EOF
	</DL><p>
</DL>
EOF
}

if [ $# -ne 0 ] ; then
	cat <<EOF
Usage: $0 >searchproviders.html

You can define SEARCHPROVIDERS_PATH in the environment if your search provider
files (.desktop) are not at the default location.
EOF
	exit 1
fi

if [ -z "$SEARCHPROVIDERS_PATH" ] ; then
	SEARCHPROVIDERS_PATH="$HOME/.local/share/kde5/services/searchproviders"
	printf 'SEARCHPROVIDERS_PATH not set in the environment, using "%s".' \
		"$SEARCHPROVIDERS_PATH"
fi

print_header

for FILE in "$SEARCHPROVIDERS_PATH"/*.desktop ; do
	printf 'Processing "%s"...\n' "$FILE" >&2

	# Get the title
	TITLE=$(sed -n 's/^Name=//p' "$FILE")

	# Get the URL and replace \\{@} with %s
	URL=$(sed -n -e 's/^Query=//' -e 's/\\\\{@}/%s/p' "$FILE")

	# Retain only the first shortcut, as Firfox only handles one
	SHORTCUT=$(sed -n 's/^Keys=//p' "$FILE" | sed 's/,.*//')

	# Uncomment the following line for debugging
	#printf 'TITLE="%s"\nURL="%s"\nSHORTCUT="%s"\n\n' "$TITLE" "$URL" "$SHORTCUT" >&2
	print_bookmark
done

print_footer