EmbedText: split embedded source lines just in case if an editor or debugger opens it

Author: illwieckz

cmake/EmbedText.cmake

@@ -8,6 +8,7 @@
 
 file(READ ${INPUT_FILE} contents HEX)
 
+# Translate the file content.
 if ("${FILE_FORMAT}" STREQUAL "TEXT")
 	# Strip \r for consistency.
 	string(REGEX REPLACE "(0d)?(..)" "0x\\2," contents "${contents}")
@@ -17,4 +18,18 @@ else()
 	message(FATAL_ERROR "Unknown file format: ${FILE_FORMAT}")
 endif()
 
-file(WRITE ${OUTPUT_FILE} "const unsigned char ${VARIABLE_NAME}[] = {${contents}};\n")
+# Split long lines.
+string(REGEX REPLACE
+	"(0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,)" "\\1\n"
+	contents "${contents}"
+)
+
+# A bit more of beautification.
+string(REGEX REPLACE ",$" ",\n" contents "${contents}")
+
+file(WRITE ${OUTPUT_FILE}
+	"const unsigned char ${VARIABLE_NAME}[] =\n"
+	"{\n"
+	"${contents}"
+	"};\n"
+)