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#!/bin/bash
# Copyright 2021 Benjamin Barenblat
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
set -eu -o pipefail
res=()
for f in "$@"; do
f="${f//./_}"
res+=("${f//\//_}")
done
cat <<EOF
// This file was generated by gen/resources_header. Edit that script instead.
#ifndef GLPLANET_RES_RES_H_
#define GLPLANET_RES_RES_H_
#include <stdint.h>
#include "third_party/abseil/absl/strings/string_view.h"
#include "third_party/abseil/absl/types/span.h"
extern "C" {
EOF
for symbol in "${res[@]}"; do
echo "extern const char _binary_${symbol}_start;"
echo "extern const char _binary_${symbol}_end;"
echo
done
cat <<EOF
} // extern "C"
namespace glplanet_resources {
EOF
for symbol in "${res[@]}"; do
IFS=_ read -r -a parts <<<"$symbol"
unset parts[0]
function_name=
for part in "${parts[@]}"; do
function_name+="${part^}"
done
case $symbol in
*_webp)
echo "inline absl::Span<const uint8_t> $function_name() {"
echo ' return absl::MakeConstSpan('
echo " reinterpret_cast<const uint8_t*>(&_binary_${symbol}_start),"
echo " reinterpret_cast<const uint8_t*>(&_binary_${symbol}_end));"
echo '}'
;;
*)
echo "inline absl::string_view $function_name() {"
echo " return absl::string_view(&_binary_${symbol}_start,"
echo " &_binary_${symbol}_end);"
echo '}'
;;
esac
echo
done
cat <<EOF
} // namespace glplanet_resources
#endif // GLPLANET_RES_RES_H_
EOF
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