#
#  Copyright (c) 2006, Peter Kümmel, <syntheticpp@gmx.net>
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#  
#  1. Redistributions of source code must retain the copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. The name of the author may not be used to endorse or promote products 
#     derived from this software without specific prior written permission.
#  
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
#  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
#  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
#  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
#  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
#  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#  

macro(lyx_add_path _list _prefix)
	set(_tmp)
   	foreach(_current ${${_list}})
   		set(_tmp ${_tmp} ${_prefix}/${_current})
   		#message( ${_prefix}/${_current})
   	endforeach(_current)  	 
   	set(${_list} ${_tmp})  
endmacro(lyx_add_path _out _prefix)


#create the implementation files from the ui files and add them to the list of sources
#usage: LYX_ADD_QT4_UI_FILES(foo_SRCS ${ui_files})
macro (LYX_ADD_UI_FILES _sources _ui)
   foreach (_current_FILE ${ARGN})

      get_filename_component(_tmp_FILE ${_current_FILE} ABSOLUTE)
      get_filename_component(_basename ${_tmp_FILE} NAME_WE)
      set(_header ${CMAKE_CURRENT_BINARY_DIR}/ui/${_basename}.h)

      # we need to run uic and replace some things in the generated file
      # this is done by executing the cmake script kde4uic.cmake
      add_custom_command(OUTPUT ${_header}
         COMMAND ${CMAKE_COMMAND}
         ARGS
         -DKDE4_HEADER:BOOL=ON
         -DKDE_UIC_EXECUTABLE:FILEPATH=${QT_UIC_EXECUTABLE}
         -DKDE_UIC_FILE:FILEPATH=${_tmp_FILE}
         -DKDE_UIC_H_FILE:FILEPATH=${_header}
         -DKDE_UIC_BASENAME:STRING=${_basename}
         -P ${CMAKE_MODULE_PATH}/LyXuic.cmake
         MAIN_DEPENDENCY ${_tmp_FILE}
      )
      set(${_ui} ${${_ui}} ${_header})
   endforeach (_current_FILE)
endmacro (LYX_ADD_UI_FILES)



MACRO (LYX_AUTOMOC)
   if(QT4_GET_MOC_INC_DIRS)
      QT4_GET_MOC_INC_DIRS(_moc_INCS)
   endif(QT4_GET_MOC_INC_DIRS)

   set(_matching_FILES )
   foreach (_current_FILE ${ARGN})

      get_filename_component(_abs_FILE ${_current_FILE} ABSOLUTE)
      # if "SKIP_AUTOMOC" is set to true, we will not handle this file here.
      # here. this is required to make bouic work correctly:
      # we need to add generated .cpp files to the sources (to compile them),
      # but we cannot let automoc handle them, as the .cpp files don't exist yet when
      # cmake is run for the very first time on them -> however the .cpp files might
      # exist at a later run. at that time we need to skip them, so that we don't add two
      # different rules for the same moc file
      get_source_file_property(_skip ${_abs_FILE} SKIP_AUTOMOC)

      if (EXISTS ${_abs_FILE} AND NOT _skip)

         file(READ ${_abs_FILE} _contents)

         get_filename_component(_abs_PATH ${_abs_FILE} PATH)

         string(REGEX MATCHALL "#include +[^ ]+_moc\\.cpp[\">]" _match "${_contents}")
         if (_match)
            foreach (_current_MOC_INC ${_match})
               string(REGEX MATCH "[^ <\"]+_moc\\.cpp" _current_MOC "${_current_MOC_INC}")

               get_filename_component(_basename ${_current_MOC} NAME_WE)               
         		
				string(LENGTH ${_basename} _length)
				MATH(EXPR _mocless_length ${_length}-4)
				STRING(SUBSTRING  ${_basename} 0 ${_mocless_length} _mocless_name )
   
          set(_header ${_abs_PATH}/${_mocless_name}.h)
          
          #message(STATUS "moc : ${_header}")



               #set(_header ${CMAKE_CURRENT_SOURCE_DIR}/${_basename}.h)
               #set(_header ${_abs_PATH}/${_basename}.h)
               set(_moc    ${CMAKE_CURRENT_BINARY_DIR}/${_current_MOC})
               
   #set(_moc    ${_abs_PATH}/${_current_MOC})
       add_custom_command(OUTPUT ${_moc}
        COMMAND ${QT_MOC_EXECUTABLE}
        ARGS ${_moc_INCS} ${_header} -o ${_moc}
        MAIN_DEPENDENCY ${_header}
     )
               macro_add_file_dependencies(${_abs_FILE} ${_moc})

            endforeach (_current_MOC_INC)
         else(_match)
         	#message(STATUS "moc not found : ${_abs_FILE} ")
         endif (_match)

      endif (EXISTS ${_abs_FILE} AND NOT _skip)
   endforeach (_current_FILE)
endmacro (LYX_AUTOMOC)


macro(lyx_merge_files _filename _list)
	message("----- Generating merged file ${_filename}\n")	
	set(_tmp)
	set(_content)
	foreach(_current ${${_list}})
		file(READ ${_current} _tmp)
		set(_content ${_content} "\n\n\n\n//----------------------------------------\n/*\n file: ${_current} \n*/\n\n")
		set(_content ${_content} ${_tmp})
	endforeach(_current)
	file(WRITE ${_filename} "${_content}")
endmacro(lyx_merge_files _list _filename)