# Copyright 2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.

########################################################################
# generate helper scripts to expand templated files
########################################################################
include(GrPython)

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

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

if __name__ == '__main__':
    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, 'blocks')
        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)

########################################################################
# Invoke macro to generate various sources
########################################################################
expand_h(add_XX             ss ii cc)
expand_h(add_const_XX       ss ii ff cc)
expand_h(add_const_vXX      ss ii ff cc)
expand_h(and_XX             bb ss ii)
expand_h(and_const_XX       bb ss ii)
expand_h(divide_XX          ss ii ff cc)
expand_h(integrate_XX       ss ii ff cc)
expand_h(multiply_XX        ss ii)
expand_h(multiply_const_XX  ss ii)
expand_h(multiply_const_vXX ss ii ff cc)
expand_h(not_XX             bb ss ii)
expand_h(or_XX              bb ss ii)
expand_h(sub_XX             ss ii ff cc)
expand_h(xor_XX             bb ss ii)

add_custom_target(blocks_generated_includes DEPENDS
    ${generated_includes}
)

########################################################################
# Install header files
########################################################################
install(FILES
    ${generated_includes}
    api.h
    add_ff.h
    char_to_float.h
    char_to_short.h
    complex_to_interleaved_short.h
    complex_to_float.h
    complex_to_imag.h
    complex_to_real.h
    complex_to_mag.h
    complex_to_mag_squared.h
    complex_to_arg.h
    conjugate_cc.h
    deinterleave.h
    float_to_char.h
    float_to_complex.h
    float_to_int.h
    float_to_short.h
    float_to_uchar.h
    int_to_float.h
    interleave.h
    interleaved_short_to_complex.h
    keep_m_in_n.h
    keep_one_in_n.h
    multiply_cc.h
    multiply_ff.h
    multiply_conjugate_cc.h
    multiply_const_cc.h
    multiply_const_ff.h
    nlog10_ff.h
    repeat.h
    short_to_char.h
    short_to_float.h
    stream_mux.h
    uchar_to_float.h
    DESTINATION ${GR_INCLUDE_DIR}/gnuradio/blocks
    COMPONENT "blocks_devel"
)