# Copyright (c) 2009-2012 Stéphane Lenclud.

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Stéphane Lenclud.

#

#

# This file contains some generic cmake macros we are using for building Symbian

#

#-----------------------------------------------------

#Push a target on our target stack

macro(push_target targetName)

	get_property(targetStackValue GLOBAL PROPERTY targetStack)

	list(APPEND targetStackValue ${targetName})

	set_property(GLOBAL PROPERTY targetStack ${targetStackValue})

	#message("Push target: ${targetStackValue}")

endmacro(push_target) 

#-----------------------------------------------------

#Pop the given target from our target stack

macro(pop_target targetName)

	get_property(targetStackValue GLOBAL PROPERTY targetStack)

	list(LENGTH targetStackValue count)	

	math( EXPR count "${count} - 1")

	list(GET targetStackValue ${count} poppedTargetName)

	if (NOT(${poppedTargetName} STREQUAL ${targetName}))

		message(FATAL_ERROR "pop_target expecting ${poppedTargetName} instead of ${targetName}!")

	endif (NOT(${poppedTargetName} STREQUAL ${targetName}))

	list(REMOVE_AT targetStackValue ${count})

	set_property(GLOBAL PROPERTY targetStack ${targetStackValue})	

	#message("Pop target: ${targetName} :to: ${targetStackValue}")

endmacro(pop_target) 

#-----------------------------------------------------

#Get the name of the target from the top of our stack

macro(get_target targetName)

	list(LENGTH targetStackValue count)	

	math( EXPR count "${count} - 1")

	set(${targetName} "")

	if (NOT(${count} LESS 0))

		list(GET targetStackValue ${count} ${targetName})

	endif (NOT(${count} LESS 0))

endmacro(get_target) 

#-----------------------------------------------------

#Add the given source files to our source prepending the sourcepath

macro(add_source)

	get_target(targetName)

	set(sourcesProperty "${targetName}Sources")

	get_property(sourcesPropertyValue GLOBAL PROPERTY ${sourcesProperty})

	foreach(mySource ${ARGV})

		string(REGEX REPLACE "(^.+)" "${sourcepath}\\1" newsource ${mySource})		

		set(sourcesPropertyValue ${sourcesPropertyValue} ${newsource})		

	endforeach(mySource) 

	set_property(GLOBAL PROPERTY ${sourcesProperty} ${sourcesPropertyValue})

	#message("${targetName} sources: ${sourcesPropertyValue}")

endmacro(add_source)

#-----------------------------------------------------

#Get the sources for the current target

macro(get_source sourceVar)

	get_target(targetName)

	set(sourcesProperty "${targetName}Sources")

	get_property(sourcesPropertyValue GLOBAL PROPERTY ${sourcesProperty})

	set(${sourceVar} ${sourcesPropertyValue})

	#message("${targetName} sources: ${sourcesPropertyValue}")	

endmacro(get_source)

#-----------------------------------------------------

#Add current cmake file to our source tree

macro(add_cmake_source)

	get_target(targetName)

	set(sourcesProperty "${targetName}Sources")

	get_property(sourcesPropertyValue GLOBAL PROPERTY ${sourcesProperty})

	set(sourcesPropertyValue ${sourcesPropertyValue} ${CMAKE_CURRENT_LIST_FILE})		

	set_property(GLOBAL PROPERTY ${sourcesProperty} ${sourcesPropertyValue})

	source_group(CMake FILES ${CMAKE_CURRENT_LIST_FILE})

endmacro(add_cmake_source)

#-----------------------------------------------------

#TODO: implement macro to generate _uid file based on a template

#Also add the generated CPP file to our ${source}

macro(uid)

	#set(source ${source} ${CMAKE_CURRENT_LIST_FILE})

	#source_group(CMake FILES ${CMAKE_CURRENT_LIST_FILE})

endmacro(uid)

#-----------------------------------------------------

#Add a pre-compiler define to the pre set target

macro(add_define define)

	get_target(targetName)

	get_target_property(value ${targetName} COMPILE_DEFINITIONS)	

	#message("Add define: ${define} to target: ${targetName}")

	set(value ${value} ${define})	

	set_target_properties(${targetName} PROPERTIES COMPILE_DEFINITIONS "${value}")

endmacro(add_define)

#-----------------------------------------------------

#Perform Symbian bld.inf export

macro(public_export source destination)

	install(FILES 

			${source}

			DESTINATION ${PROJECT_SOURCE_DIR}/epoc32/include${destination} )

endmacro(public_export)

#-----------------------------------------------------

#Perform Symbian bld.inf export

macro(platform_export source destination)

	install(FILES 

			${source}

			DESTINATION ${PROJECT_SOURCE_DIR}/epoc32/include/platform${destination} )

endmacro(platform_export)

#-----------------------------------------------------

#Add system include path to our current target

#Use those include path macro instead of cmake built-in include_directories as it allows us to set include directories per target instead of per directory.

macro(system_include path)

	get_target(targetName)

	get_target_property(value ${targetName} COMPILE_FLAGS)

	#MS CL compiler specific. I guess gcc should use -I instead of /I

	if (${value} STREQUAL "value-NOTFOUND")

		set(value "/I ${PROJECT_SOURCE_DIR}${path}")		

	else (${value} STREQUAL "value-NOTFOUND")

		set(value "${value} /I ${PROJECT_SOURCE_DIR}${path}")		

	endif (${value} STREQUAL "value-NOTFOUND")

	#message("Add system include: ${value}")	

	set_target_properties(${targetName} PROPERTIES COMPILE_FLAGS "${value}")	

endmacro(system_include)

#-----------------------------------------------------

#Add user include path to our current target

#Use those include path macro instead of cmake built-in include_directories as it allows us to set include directories per target instead of per directory.

#TODO: Is this working with releative path?

macro(user_include path)

	get_target(targetName)

	get_target_property(value ${targetName} COMPILE_FLAGS)

	#MS CL compiler specific. I guess gcc should use -I instead of /I

	if (${value} STREQUAL "value-NOTFOUND")

		set(value "/I ${CMAKE_CURRENT_LIST_DIR}/${path}")	

	else (${value} STREQUAL "value-NOTFOUND")

		set(value "${value} /I ${CMAKE_CURRENT_LIST_DIR}/${path}")	

	endif (${value} STREQUAL "value-NOTFOUND")	

	set_target_properties(${targetName} PROPERTIES COMPILE_FLAGS "${value}")

endmacro(user_include)

#Generate our configuration file

#configure_file( ../../GameEngine/inc/GikConfig.h.cmake ../../GameEngine/inc/GikConfig.h )

#Must make sure we include the generate config from the bynary tree

#include_directories("${CMAKE_BINARY_DIR}/../../GameEngine/inc")