forked from suyu/suyu
50 lines
1.5 KiB
CMake
50 lines
1.5 KiB
CMake
# SPDX-FileCopyrightText: 2023 suyu Emulator Project
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# SPDX-License-Identifier: GPL-2.0-or-later
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set(ZONE_PATH ${CMAKE_ARGV3})
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set(HEADER_NAME ${CMAKE_ARGV4})
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set(NX_TZDB_INCLUDE_DIR ${CMAKE_ARGV5})
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set(NX_TZDB_SOURCE_DIR ${CMAKE_ARGV6})
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execute_process(
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COMMAND ${CMAKE_COMMAND} -P ${NX_TZDB_SOURCE_DIR}/ListFilesInDirectory.cmake
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WORKING_DIRECTORY ${ZONE_PATH}
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OUTPUT_VARIABLE FILE_LIST)
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if (NOT FILE_LIST)
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message(FATAL_ERROR "No timezone files found in directory ${ZONE_PATH}, did the download fail?")
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endif()
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set(DIRECTORY_NAME ${HEADER_NAME})
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set(FILE_DATA "")
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foreach(ZONE_FILE ${FILE_LIST})
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if (ZONE_FILE STREQUAL "\n")
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continue()
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endif()
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string(APPEND FILE_DATA "{\"${ZONE_FILE}\",\n{")
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file(READ ${ZONE_PATH}/${ZONE_FILE} ZONE_DATA HEX)
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string(LENGTH "${ZONE_DATA}" ZONE_DATA_LEN)
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foreach(I RANGE 0 ${ZONE_DATA_LEN} 2)
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math(EXPR BREAK_LINE "(${I} + 2) % 38")
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string(SUBSTRING "${ZONE_DATA}" "${I}" 2 HEX_DATA)
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if (NOT HEX_DATA)
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break()
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endif()
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string(APPEND FILE_DATA "0x${HEX_DATA},")
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if (BREAK_LINE EQUAL 0)
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string(APPEND FILE_DATA "\n")
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else()
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string(APPEND FILE_DATA " ")
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endif()
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endforeach()
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string(APPEND FILE_DATA "}},\n")
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endforeach()
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file(READ ${NX_TZDB_SOURCE_DIR}/tzdb_template.h.in NX_TZDB_TEMPLATE_H_IN)
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file(CONFIGURE OUTPUT ${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h CONTENT "${NX_TZDB_TEMPLATE_H_IN}")
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