#

#  Copyright (c) 2018 Anderson Toshiyuki Sasaki <ansasaki@redhat.com>

#

#  Redistribution and use is allowed according to the terms of the New

#  BSD license.

#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.

#

#.rst:

# GetFilesList

# ------------

#

# This is a helper script for FindABImap.cmake.

#

# Search in the provided directories for files matching the provided pattern.

# The list of files is then written to the output file.

#

# Expected defined variables

# --------------------------

#

# ``DIRECTORIES``:

#   Required, expects a list of directories paths.

#

# ``FILES_PATTERNS``:

#   Required, expects a list of patterns to be used to search files

#

# ``OUTPUT_PATH``:

#   Required, expects the output file path.

if (NOT DEFINED DIRECTORIES)

    message(SEND_ERROR "DIRECTORIES not defined")

endif()

if (NOT DEFINED FILES_PATTERNS)

    message(SEND_ERROR "FILES_PATTERNS not defined")

endif()

if (NOT DEFINED OUTPUT_PATH)

    message(SEND_ERROR "OUTPUT_PATH not defined")

endif()

string(REPLACE " " ";" DIRECTORIES_LIST "${DIRECTORIES}")

string(REPLACE " " ";" FILES_PATTERNS_LIST "${FILES_PATTERNS}")

# Create the list of expressions for the files

set(glob_expressions)

foreach(dir ${DIRECTORIES_LIST})

    foreach(exp ${FILES_PATTERNS_LIST})

        list(APPEND glob_expressions

          "${dir}/${exp}"

        )

    endforeach()

endforeach()

# Create the list of files

file(GLOB files ${glob_expressions})

# Write to the output

file(WRITE ${OUTPUT_PATH} "${files}")