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# Modified from vtkEncodeString from VTK Project
# Copyright (c) 1993-2015 Ken Martin, Will Schroeder, Bill Lorensen
# BSD 3 Clause license
set(_embed_script_file "${CMAKE_CURRENT_LIST_FILE}")
function (f3d_embed_file)
cmake_parse_arguments(PARSE_ARGV 0 _embed
""
"INPUT;NAME"
"")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${_embed_NAME}.h"
"${CMAKE_CURRENT_BINARY_DIR}/${_embed_NAME}.cxx"
DEPENDS "${_embed_script_file}"
"${_embed_INPUT}"
COMMAND "${CMAKE_COMMAND}"
"-Dbinary_dir=${CMAKE_CURRENT_BINARY_DIR}"
"-Dsource_file=${_embed_INPUT}"
"-Doutput_name=${_embed_NAME}"
"-D_embed_run=ON"
-P "${_embed_script_file}")
endfunction ()
if (_embed_run AND CMAKE_SCRIPT_MODE_FILE)
set(output_header "${binary_dir}/${output_name}.h")
set(output_source "${binary_dir}/${output_name}.cxx")
file(WRITE "${output_header}" "")
file(WRITE "${output_source}" "")
file(APPEND "${output_header}"
"#ifndef ${output_name}_h\n\n#define ${output_name}_h\n\n")
# Read the file in HEX format
file(READ "${source_file}" original_content HEX)
string(LENGTH "${original_content}" output_size)
math(EXPR output_size "${output_size} / 2")
file(APPEND "${output_header}"
"extern const unsigned char ${output_name}[${output_size}];\n\n#endif\n")
file(APPEND "${output_source}"
"#include \"${output_name}.h\"\n\nconst unsigned char ${output_name}[${output_size}] = {\n")
string(REGEX REPLACE "\([0-9a-f][0-9a-f]\)" ",0x\\1" escaped_content "${original_content}")
# Hard line wrap the file.
string(REGEX REPLACE "\(...............................................................................,\)" "\\1\n" escaped_content "${escaped_content}")
# Remove the leading comma.
string(REGEX REPLACE "^," "" escaped_content "${escaped_content}")
file(APPEND "${output_source}"
"${escaped_content}\n")
file(APPEND "${output_source}"
"};\n")
endif ()
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