From b51f01ed100f97076584c6900f73deb5dc5f6bbc Mon Sep 17 00:00:00 2001
From: Marek Kotewicz <marek.kotewicz@gmail.com>
Date: Wed, 29 Apr 2015 19:17:07 +0200
Subject: [PATCH] resources scripts

---
 CMakeLists.txt                |  3 +++
 cmake/EthUtils.cmake          | 28 ++++++++++++++++++++++++++
 cmake/scripts/resource.cpp.in | 26 ++++++++++++++++++++++++
 cmake/scripts/resources.cmake | 37 +++++++++++++++++++++++++++++++++++
 cmake/scripts/test.cmake      |  6 ++++++
 5 files changed, 100 insertions(+)
 create mode 100644 cmake/scripts/resource.cpp.in
 create mode 100644 cmake/scripts/resources.cmake
 create mode 100644 cmake/scripts/test.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff8732156..a770e9704 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -383,6 +383,9 @@ if (GUI)
 
 endif()
 
+set(ETH_RESOURCES "LICENSE" "README.md")
+eth_create_resources(ETH_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/here.h")
+
 #unset(TARGET_PLATFORM CACHE)
 
 if (WIN32)
diff --git a/cmake/EthUtils.cmake b/cmake/EthUtils.cmake
index 69690156a..5d271f341 100644
--- a/cmake/EthUtils.cmake
+++ b/cmake/EthUtils.cmake
@@ -62,3 +62,31 @@ macro(eth_add_test NAME)
 
 endmacro()
 
+# Based on
+# http://stackoverflow.com/questions/11813271/embed-resources-eg-shader-code-images-into-executable-library-with-cmake
+# Creates C resources file from files
+function(eth_create_resources bins output)
+	set(tmp_output "${output}.tmp")
+	# Create empty output file
+	file(WRITE ${tmp_output} "")
+	# Collect input files
+#	file(GLOB bins ${dir}/*)
+	# Iterate through input files
+	foreach(bin ${${bins}})
+		# Get short filename
+		string(REGEX MATCH "([^/]+)$" filename ${bin})
+		# Replace filename spaces & extension separator for C compatibility
+		string(REGEX REPLACE "\\.| " "_" filename ${filename})
+		# Add eth prefix (qt does the same thing)
+		set(filename "eth_${filename}")
+		# full name
+		file(GLOB the_name ${bin})
+		# Read hex data from file
+		file(READ ${bin} filedata HEX)
+		# Convert hex data for C compatibility
+		string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," filedata ${filedata})
+		# Append data to output file
+		file(APPEND ${tmp_output} "static const unsigned char ${filename}[] = {\n  // ${the_name}\n  ${filedata}};\nstatic const unsigned ${filename}_size = sizeof(${filename});\n")
+	endforeach()
+	replace_if_different("${tmp_output}" "${output}")
+endfunction()
diff --git a/cmake/scripts/resource.cpp.in b/cmake/scripts/resource.cpp.in
new file mode 100644
index 000000000..369f7b56f
--- /dev/null
+++ b/cmake/scripts/resource.cpp.in
@@ -0,0 +1,26 @@
+
+#include <string>
+#include <iostream>
+#include <sstream>
+#include <unordered_map>
+
+using namespace std;
+
+${ETH_RESULT_DATA}
+
+static unordered_map <string, const char*> eth_resources;
+static unordered_map <string, unsigned> eth_sizes;
+
+void initResources()
+{
+	${ETH_RESULT_INIT}
+	//eth_resources["LICENSE"] = (char const*)eth_LICENSE;
+	//eth_sizes["LICENSE"] = sizeof(eth_LICENSE);
+}
+
+string loadResource(string _name)
+{
+	ostringstream bistream;
+	bistream.write(eth_resources[_name], eth_sizes[_name]);
+	return bistream.str();
+}
diff --git a/cmake/scripts/resources.cmake b/cmake/scripts/resources.cmake
new file mode 100644
index 000000000..2c92103ff
--- /dev/null
+++ b/cmake/scripts/resources.cmake
@@ -0,0 +1,37 @@
+
+# cmake -DETH_RES_FILE=... -DETH_DST_NAME=... -P scripts/resources.cmake
+# cmake -DETH_RES_FILE=test.cmake -DETH_DST_NAME=dst -P resources.cmake
+
+# should define ETH_RESOURCES
+include(${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)
+
+	# 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
+	list(APPEND ${ETH_RESULT_DATA} "static const unsigned char eth_${resource}[] = {\n  // ${filename}\n  ${filedata}\n};\n")
+
+	# append init resources
+	list(APPEND ${ETH_RESULT_INIT} "	eth_resources[\"${resource}\"] = (char const*)eth_${resource};\n")
+	list(APPEND ${ETH_RESULT_INIT} "	eth_sizes[\"${resource}\"]     = sizeof(eth_${resource});\n")
+
+endforeach(resource)
+
+configure_file("resource.cpp.in" "${ETH_DST_NAME}.cpp.tmp")
+
+include("../EthUtils.cmake")
+replace_if_different("${ETH_DST_NAME}.cpp.tmp" "${ETH_DST_NAME}.cpp")
+replace_if_different("resource.h" "${ETH_DST_NAME}.h")
+
diff --git a/cmake/scripts/test.cmake b/cmake/scripts/test.cmake
new file mode 100644
index 000000000..883ed324e
--- /dev/null
+++ b/cmake/scripts/test.cmake
@@ -0,0 +1,6 @@
+
+set(copydlls "copydlls.cmake")
+set(conf "configure.cmake")
+
+set(ETH_RESOURCES "copyddls" "conf")
+