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-rwxr-xr-xgen/resources_header81
1 files changed, 81 insertions, 0 deletions
diff --git a/gen/resources_header b/gen/resources_header
new file mode 100755
index 0000000..e6d6b8d
--- /dev/null
+++ b/gen/resources_header
@@ -0,0 +1,81 @@
+#!/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