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Make EMBED_RESOURCE_FILES work with non-C23 compilers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| # Derived from https://gitlab.com/jhamberg/cmake-examples/-/blob/master/cmake/FileEmbed.cmake | ||
| # MIT licensed | ||
| # Copyright (c) 2022 Jonathan Hamberg | ||
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| function(FileEmbedSetup) | ||
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| if (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/file_embed) | ||
| file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}file_embed) | ||
| endif () | ||
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| if (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/file_embed/file_embed_empty.c) | ||
| file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/file_embed/file_embed_empty.c "") | ||
| endif () | ||
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| add_library(file_embed ${CMAKE_CURRENT_BINARY_DIR}/file_embed/file_embed_empty.c) | ||
| target_include_directories(file_embed PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/file_embed) | ||
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| endfunction() | ||
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| function(FileEmbedAdd file) | ||
| FileEmbedGenerate(${file} var) | ||
| target_sources(file_embed PUBLIC ${var}) | ||
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| add_custom_command( | ||
| OUTPUT ${var} | ||
| COMMAND ${CMAKE_COMMAND} | ||
| -DRUN_FILE_EMBED_GENERATE=1 | ||
| "-DFILE_EMBED_GENERATE_PATH=${file}" | ||
| -P ${PROJECT_SOURCE_DIR}/cmake/FileEmbed.cmake | ||
| MAIN_DEPENDENCY ${file} | ||
| ) | ||
| endfunction() | ||
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| function(FileEmbedGenerate file generated_c) | ||
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| get_filename_component(base_filename ${file} NAME) | ||
| set(output_filename "${base_filename}.c") | ||
| string(MAKE_C_IDENTIFIER ${base_filename} c_name) | ||
| file(READ ${file} content HEX) | ||
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| string(LENGTH "${content}" size) | ||
| math(EXPR size_mult_16 "${size} - (${size} % 16)") | ||
| string(SUBSTRING "${content}" 0 ${size_mult_16} content_mult_16) | ||
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| string(REGEX REPLACE | ||
| "([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])\ | ||
| ([A-Fa-f0-9][A-Fa-f0-9])" | ||
| "0x\\1,0x\\2,0x\\3,0x\\4,0x\\5,0x\\6,0x\\7,0x\\8,\n" SEPARATED_HEX "${content_mult_16}") | ||
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| set(SEPARATED_HEX_REMAINDER "") | ||
| if (NOT ${size_mult_16} EQUAL ${size}) | ||
| string(SUBSTRING "${content}" ${size_mult_16} 16 content_remainder) | ||
| string(REGEX REPLACE "([A-Fa-f0-9][A-Fa-f0-9])" "0x\\1," SEPARATED_HEX_REMAINDER "${content_remainder}") | ||
| endif() | ||
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| set(output_c "${SEPARATED_HEX}${SEPARATED_HEX_REMAINDER}") | ||
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| set(output_c " | ||
| #include \"${c_name}.h\" | ||
| const uint8_t ${c_name}_data[] = { | ||
| ${output_c} | ||
| }\; | ||
| unsigned ${c_name}_size = sizeof(${c_name}_data)\; | ||
| ") | ||
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| set(output_h " | ||
| #ifndef ${c_name}_H | ||
| #define ${c_name}_H | ||
| #include \"stdint.h\" | ||
| extern const uint8_t ${c_name}_data[]\; | ||
| extern unsigned ${c_name}_size\; | ||
| #endif // ${c_name}_H | ||
| ") | ||
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| if (NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/file_embed) | ||
| file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}file_embed) | ||
| endif () | ||
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| file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/file_embed/${c_name}.c | ||
| ${output_c}) | ||
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| file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/file_embed/${c_name}.h | ||
| ${output_h}) | ||
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| set(${generated_c} ${CMAKE_CURRENT_BINARY_DIR}/file_embed/${c_name}.c PARENT_SCOPE) | ||
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| endfunction() | ||
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| if (RUN_FILE_EMBED_GENERATE) | ||
| FileEmbedGenerate(${FILE_EMBED_GENERATE_PATH} var) | ||
| endif () |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,17 @@ | ||
| #include "embedded_resources.h" | ||
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| #if USE_SHARP_EMBED | ||
| const unsigned char *pj_get_embedded_proj_db(unsigned int *pnSize) { | ||
| static const unsigned char proj_db[] = { | ||
| #embed PROJ_DB | ||
| }; | ||
| *pnSize = (unsigned int)sizeof(proj_db); | ||
| return proj_db; | ||
| } | ||
| #else | ||
| #include "file_embed/proj_db.h" | ||
| const unsigned char *pj_get_embedded_proj_db(unsigned int *pnSize) { | ||
| *pnSize = proj_db_size; | ||
| return proj_db_data; | ||
| } | ||
| #endif |
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