Merge pull request #1770 from debris/res

replacement for qt5_add_resources for headless client

cmake/EthUtils.cmake

@@ -62,3 +62,20 @@ macro(eth_add_test NAME)
 
 endmacro()
 
+# Creates C resources file from files
+function(eth_add_resources RESOURCE_FILE OUT_FILE)
+	include("${RESOURCE_FILE}")
+	set(OUTPUT  "${ETH_RESOURCE_LOCATION}/${ETH_RESOURCE_NAME}.hpp")
+	set(${OUT_FILE} "${OUTPUT}"  PARENT_SCOPE)
+
+	set(filenames "${RESOURCE_FILE}")
+	list(APPEND filenames "${ETH_SCRIPTS_DIR}/resources.cmake")
+	foreach(resource ${ETH_RESOURCES})
+		list(APPEND filenames "${${resource}}")
+	endforeach(resource)
+
+	add_custom_command(OUTPUT ${OUTPUT}
+		COMMAND ${CMAKE_COMMAND} -DETH_RES_FILE="${RESOURCE_FILE}" -P "${ETH_SCRIPTS_DIR}/resources.cmake"
+		DEPENDS ${filenames}
+	)
+endfunction()

cmake/scripts/resource.hpp.in

@@ -0,0 +1,30 @@
+// this file is autogenerated, do not modify!!!
+#pragma once
+
+#include <string>
+#include <map>
+
+namespace dev
+{
+namespace eth
+{
+
+class ${ETH_RESOURCE_NAME}
+{
+public:
+	${ETH_RESOURCE_NAME}()
+	{
+${ETH_RESULT_DATA}
+${ETH_RESULT_INIT}
+	}
+
+	std::string loadResourceAsString(std::string _name) { return std::string(m_resources[_name], m_sizes[_name]); }
+
+private:
+	std::map <std::string, const char*> m_resources;
+	std::map <std::string, unsigned> m_sizes;
+};
+
+}
+}
+

cmake/scripts/resources.cmake

@@ -0,0 +1,57 @@
+# based on: http://stackoverflow.com/questions/11813271/embed-resources-eg-shader-code-images-into-executable-library-with-cmake
+#
+# example:
+# cmake -DETH_RES_FILE=test.cmake -P resources.cmake
+#
+# where test.cmake is:
+# 
+# # BEGIN OF cmake.test
+# 
+# set(copydlls "copydlls.cmake")
+# set(conf "configure.cmake")
+# 
+# # this three properties must be set!
+#
+# set(ETH_RESOURCE_NAME "EthResources")
+# set(ETH_RESOURCE_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}")
+# set(ETH_RESOURCES "copydlls" "conf")
+#
+# # END of cmake.test
+#
+
+# should define ETH_RESOURCES
+include(${ETH_RES_FILE})
+
+set(ETH_RESULT_DATA "")
+set(ETH_RESULT_INIT "")
+
+# resource is a name visible for cpp application 
+foreach(resource ${ETH_RESOURCES})
+
+	# filename is the name of file which will be used in app
+	set(filename ${${resource}})
+
+	# filedata is a file content
+	file(READ ${filename} filedata HEX)
+
+	# read full name of the file
+	file(GLOB filename ${filename})
+
+	# Convert hex data for C compatibility
+	string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," filedata ${filedata})
+
+	# append static variables to result variable
+	set(ETH_RESULT_DATA "${ETH_RESULT_DATA}	static const unsigned char eth_${resource}[] = {\n	// ${filename}\n	${filedata}\n};\n")
+
+	# append init resources
+	set(ETH_RESULT_INIT "${ETH_RESULT_INIT}	m_resources[\"${resource}\"] = (char const*)eth_${resource};\n")
+	set(ETH_RESULT_INIT "${ETH_RESULT_INIT}	m_sizes[\"${resource}\"]     = sizeof(eth_${resource});\n")
+
+endforeach(resource)
+
+set(ETH_DST_NAME "${ETH_RESOURCE_LOCATION}/${ETH_RESOURCE_NAME}")
+
+configure_file("${CMAKE_CURRENT_LIST_DIR}/resource.hpp.in" "${ETH_DST_NAME}.hpp.tmp")
+
+include("${CMAKE_CURRENT_LIST_DIR}/../EthUtils.cmake")
+replace_if_different("${ETH_DST_NAME}.hpp.tmp" "${ETH_DST_NAME}.hpp")