# Copyright (C) 2014-2022  CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

find_package(SWIG REQUIRED)
include(${SWIG_USE_FILE})

#TODO(spo): is -threads necessary?
set(CMAKE_SWIG_FLAGS -threads -Wall)

# Using doxy2swig:
# Add to ModuleName.i before any %inlcude:
#   %include "doxyhelp.i"
# Add to CMakeLists.txt before SWIG_ADD_MODULE(...):
#   SET(SWIG_MODULE_ModuleName_EXTRA_DEPS ${SWIG_MODULE_ModuleName_EXTRA_DEPS} doxyhelp.i)

#TODO(spo): why not use FindDoxygen.cmake module?
if(WIN32)
  find_program(DOXYGEN_EXECUTABLE Doxygen)
else()
  find_program(DOXYGEN_EXECUTABLE doxygen)
endif()

set(EXCLUDE_DOC_DIR "*/Test/* */Mock/*")

configure_file(${PROJECT_SOURCE_DIR}/doc/swig/doxyfile.in doxyfile @ONLY)

set(doc_sources)
foreach(it "*.h;*.cpp;*.hpp;*.cxx")
  file(GLOB doc_source RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} ${it})
  list(APPEND doc_sources ${doc_source})
endforeach()
#message(STATUS "${doc_sources}")

add_custom_command(OUTPUT doxyhelp.i
  COMMAND "${DOXYGEN_EXECUTABLE}"
  COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/doxy2swig.py xml/index.xml doxyhelp.i
  DEPENDS ${doc_sources} ${PROJECT_SOURCE_DIR}/doc/swig/doxyfile.in
)