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Laserlicht
53 lines
1.8 KiB
CMake
53 lines
1.8 KiB
CMake
# CMake script to embed multiple files as C++ string constants
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# Usage: cmake -DINPUT_FILES="file1.txt|file2.yaml" -DOUTPUT_FILE=output.h -P embed_file.cmake
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if(NOT DEFINED INPUT_FILES)
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message(FATAL_ERROR "INPUT_FILES must be defined")
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endif()
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if(NOT DEFINED OUTPUT_FILE)
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message(FATAL_ERROR "OUTPUT_FILE must be defined")
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endif()
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# Convert pipe-separated string to list
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string(REPLACE "|" ";" INPUT_FILES_LIST "${INPUT_FILES}")
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# Start building the header content
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set(HEADER_CONTENT "// Auto-generated file - DO NOT EDIT\n")
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set(HEADER_CONTENT "${HEADER_CONTENT}// Generated from embedded files\n\n")
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set(HEADER_CONTENT "${HEADER_CONTENT}#pragma once\n\n")
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set(HEADER_CONTENT "${HEADER_CONTENT}namespace EmbeddedFiles\n{\n")
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# Process each input file
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foreach(INPUT_FILE ${INPUT_FILES_LIST})
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if(NOT EXISTS "${INPUT_FILE}")
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message(FATAL_ERROR "Input file does not exist: ${INPUT_FILE}")
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endif()
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# Read the input file
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file(READ "${INPUT_FILE}" FILE_CONTENT)
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# Escape special characters for C++ string literal
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string(REPLACE "\\" "\\\\" FILE_CONTENT "${FILE_CONTENT}")
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string(REPLACE "\"" "\\\"" FILE_CONTENT "${FILE_CONTENT}")
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string(REPLACE "\n" "\\n\"\n\t\"" FILE_CONTENT "${FILE_CONTENT}")
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# Get the base name for the variable
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get_filename_component(VAR_NAME "${INPUT_FILE}" NAME_WE)
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string(TOUPPER "${VAR_NAME}" VAR_NAME)
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string(REPLACE "-" "_" VAR_NAME "${VAR_NAME}")
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# Add to header content
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set(HEADER_CONTENT "${HEADER_CONTENT}\tconst char* ${VAR_NAME}_CONTENT = \"${FILE_CONTENT}\";\n\n")
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message(STATUS "Embedded ${INPUT_FILE} as ${VAR_NAME}_CONTENT")
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endforeach()
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# Close the namespace
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set(HEADER_CONTENT "${HEADER_CONTENT}}\n")
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# Write the output file
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file(WRITE "${OUTPUT_FILE}" "${HEADER_CONTENT}")
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message(STATUS "Generated ${OUTPUT_FILE}")
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