# Copyright (C) 2012-2013  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.
#
# 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
#

SET(indoxfiles Doxyfile_med_user.in static/header.html.in)
SET(builddir ${CMAKE_CURRENT_BINARY_DIR})
SET(srcdir   ${CMAKE_CURRENT_SOURCE_DIR})
FOREACH(indoxfile ${indoxfiles})
  STRING(REGEX REPLACE ".in" "" baseindoxfile ${indoxfile})
  SET(input ${CMAKE_CURRENT_SOURCE_DIR}/${indoxfile})
  SET(output ${CMAKE_CURRENT_BINARY_DIR}/${baseindoxfile})
  CONFIGURE_FILE(${input} ${output})
  MESSAGE(STATUS "Creation of ${output}")
ENDFOREACH(indoxfile ${indoxfiles})
FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/medcouplingexamples.in" input)
FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/BuildPyExamplesFromCPP.py" pythondocexamplesgenerator)
FILE(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}" output)


# :TRICKY: For ease of maintenance, documentation for code examples is
# splitted in several files. We here splice to a single file before running
# Doxygen.

SET(EXAMPLE_FILES # files to concatenate: order is important!
  doxfiles/examples/medcouplingexamplesheader.doxy
  doxfiles/examples/medcouplingexamplesfields.doxy
  doxfiles/examples/medcouplingexamplesmeshes.doxy
  doxfiles/examples/medcouplingexamplesarrays.doxy
  doxfiles/examples/medcouplingexamplesother.doxy
  doxfiles/examples/medcouplingexamplesfooter.doxy
  )

# This function adds IN_FILE contents to the end of OUT_FILE
FUNCTION(concat IN_FILE OUT_FILE)
  FILE(READ ${IN_FILE} CONTENTS)
  FILE(APPEND ${OUT_FILE} ${CONTENTS})
ENDFUNCTION()

# Prepare a temporary file to "concat" to:
FILE(WRITE medcouplingexamples.in "")
# Call the "concat" function for each example file
FOREACH(EXAMPLE_FILE ${EXAMPLE_FILES})
  concat(${EXAMPLE_FILE} medcouplingexamples.in)
ENDFOREACH()
# Copy the temporary file to the final location
#CONFIGURE_FILE(medcouplingexamples.in ${CMAKE_CURRENT_BINARY_DIR}/medcouplingexamples.dox)
# Note: The reason for writing to a temporary is so the real target file only
# gets updated if its content has changed.


# Here is the "standard" procedure, as if ${input} was hand-written.
ADD_CUSTOM_TARGET(usr_docs ALL
  COMMAND ${PYTHON_EXECUTABLE} ${pythondocexamplesgenerator} ${input} ${output}
  COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile_med_user
  COMMAND ${PYTHON_EXECUTABLE} -c "import shutil, sys; shutil.rmtree(r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/MED''', True); shutil.copytree(r'''${CMAKE_CURRENT_BINARY_DIR}/doc_ref_user/html''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/MED'''); shutil.copy(r'''${CMAKE_CURRENT_SOURCE_DIR}/images/head.png''', r'''${CMAKE_INSTALL_PREFIX}/share/doc/salome/gui/MED''')"
  VERBATIM
  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
  )