bitcoin/cmake/script/GenerateHeaderFromRaw.cmake

29 lines
1.1 KiB
CMake

# Copyright (c) 2023-present The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://opensource.org/license/mit/.
file(READ ${RAW_SOURCE_PATH} hex_content HEX)
string(REGEX MATCHALL "([A-Za-z0-9][A-Za-z0-9])" bytes "${hex_content}")
set(header_content "#include <cstddef>\n")
string(APPEND header_content "#include <span>\n")
string(APPEND header_content "namespace ${RAW_NAMESPACE} {\n")
get_filename_component(raw_source_basename ${RAW_SOURCE_PATH} NAME_WE)
string(APPEND header_content "inline constexpr std::byte detail_${raw_source_basename}_raw[]{\n")
set(i 0)
foreach(byte ${bytes})
math(EXPR i "${i} + 1")
if(i EQUAL 8)
set(i 0)
string(APPEND header_content "std::byte{0x${byte}},\n")
else()
string(APPEND header_content "std::byte{0x${byte}}, ")
endif()
endforeach()
string(APPEND header_content "\n};\n")
string(APPEND header_content "inline constexpr std::span ${raw_source_basename}{detail_${raw_source_basename}_raw};\n")
string(APPEND header_content "}")
file(WRITE ${HEADER_PATH} "${header_content}")