#
#  Copyright (C) 2013 Bastian Bloessl <bloessl@ccs-labs.org>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
include(GrPython)

file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/generate_helper.py "
#!${PYTHON_EXECUTABLE}

import sys, os, re
sys.path.append('${GR_RUNTIME_PYTHONPATH}')
os.environ['srcdir'] = '${CMAKE_CURRENT_SOURCE_DIR}'
os.chdir('${CMAKE_CURRENT_BINARY_DIR}')

if __name__ == '__main__':
    sys.path.append('${CMAKE_CURRENT_SOURCE_DIR}/../../python')
    import build_utils
    root, inp = sys.argv[1:3]
    for sig in sys.argv[3:]:
        name = re.sub ('X+', sig, root)
        d = build_utils.standard_dict(name, sig, 'ieee802_11')
        build_utils.expand_template(d, inp)

")

macro(expand_h root)
  #make a list of all the generated files
  unset(expanded_files_h)
  foreach(sig ${ARGN})
    string(REGEX REPLACE "X+" ${sig} name ${root})
    list(APPEND expanded_files_h ${CMAKE_CURRENT_BINARY_DIR}/${name}.h)
  endforeach(sig)

  #create a command to generate the files
  add_custom_command(
    OUTPUT ${expanded_files_h}
    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${root}.h.t
    COMMAND ${PYTHON_EXECUTABLE} ${PYTHON_DASH_B}
    ${CMAKE_CURRENT_BINARY_DIR}/generate_helper.py
    ${root} ${root}.h.t ${ARGN}
    )

  #install rules for the generated h files
  list(APPEND generated_includes ${expanded_files_h})
endmacro(expand_h)

expand_h(moving_average_XX ff cc)

add_custom_target(ieee802_11_generated_includes DEPENDS
    ${generated_includes}
)

########################################################################
# Install public header files
########################################################################

list(APPEND include_sources
    ${generated_includes}
    api.h
    chunks_to_symbols.h
    ether_encap.h
    ofdm_decode_mac.h
    ofdm_decode_signal.h
    ofdm_equalize_symbols.h
    ofdm_freq_est.h
    ofdm_mac.h
    ofdm_mapper.h
    ofdm_parse_mac.h
    ofdm_preamble.h
    ofdm_sync_long.h
    ofdm_sync_short.h
    packet_headergenerator.h
    wifi_signal_field.h
)

install(
	FILES ${include_sources}
	DESTINATION ${GR_INCLUDE_DIR}/gnuradio/ieee802_11
	COMPONENT "ieee802_11_devel"
)