#! /bin/sh

# This file is dual-licensed.  Choose whichever licence you want from
# the two licences listed below.
#
# The first licence is a regular 2-clause BSD licence.  The second licence
# is the CC-0 from Creative Commons. It is intended to release Monocypher
# to the public domain.  The BSD licence serves as a fallback option.
#
# SPDX-License-Identifier: BSD-2-Clause OR CC0-1.0
#
# ------------------------------------------------------------------------
#
# Copyright (c) 2017, 2023, Loup Vaillant
# Copyright (c) 2017, 2019, Fabio Scotoni
# All rights reserved.
#
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# ------------------------------------------------------------------------
#
# Written in 2017, 2019 and 2023 by Loup Vaillant and Fabio Scotoni
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related neighboring rights to this software to the public domain
# worldwide.  This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software.  If not, see
# <https://creativecommons.org/publicdomain/zero/1.0/>

set -e

cd $(dirname "$0")

# clean before
rm -rf "html"
rm -rf "man3"
find . -type l | xargs rm -f

mkdir -p man3
mkdir -p html
cp style.css html/

cat ../src/monocypher.h ../src/optional/monocypher-ed25519.h |\
    egrep -v "^(//|\}| |	|extern)"                        |\
    grep crypto_                                             |\
    sed 's|[a-z0-9_]*  *\([a-z0-9_]*\).*|\1|'                |\
    ./doc_check.py *.3monocypher

for source in $(find . -name "*.3monocypher" | sed 's|^\./||' | sort)
do
    name=$(echo "$source" | sed 's/.3monocypher//')

    # Copy source file to the final man page directory
    cp "$source" "man3/$source"

    # Generate HTML version,
    mandoc                            \
        -Oman=%N.html,style=style.css \
        -Thtml "$source"              \
        > "./html/$name.html"

    # Add all symbolic links
    for link in $(grep "^\.Fo " "$source" | tail -n+2 | sed 's/^\.Fo //')
    do
        ln -s "$source"    "man3/$link.3monocypher"
        ln -s "$name.html" "html/$link.html"
    done
done