#
# MalikaniaVeraCheck.cmake -- CMake build system for malikania
#
# Copyright (c) 2013-2018 David Demelier <markand@malikania.fr>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

#
# malikania_vera_check
# --------------------
#
# malikania_vera_check(target sources)
#
# Check the style source code using vera++.
#
# No-op if WITH_VERA is Off.
#
# This macro add a post-build command to call vera++ program on the specified
# sources file for the given target.
#

function(malikania_vera_check target sources)
    if (WITH_VERA)
        set(valid ".cpp;.c;.hpp;.h")

        # Cleanup non relevant files.
        foreach (s ${sources})
            get_filename_component(ext ${s} EXT)

            foreach (e ${valid})
                if (${ext} STREQUAL ${e})
                    list(APPEND newsources ${s})
                endif ()
            endforeach ()
        endforeach ()

        add_custom_command(
            TARGET ${target}
            COMMAND
                ${VERA_EXECUTABLE} -w --root ${CMAKE_SOURCE_DIR}/vera ${newsources}
            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
            VERBATIM
        )
    endif ()
endfunction()