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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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CPackIFWConfigureFile
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---------------------
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The module defines :command:`configure_file` similar command to
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configure file templates prepared in QtIFW/SDK/Creator style.
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Commands
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^^^^^^^^
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The module defines the following commands:
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.. command:: cpack_ifw_configure_file
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Copy a file to another location and modify its contents.
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::
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cpack_ifw_configure_file(<input> <output>)
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Copies an ``<input>`` file to an ``<output>`` file and substitutes variable
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values referenced as ``%{VAR}`` or ``%VAR%`` in the input file content.
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Each variable reference will be replaced with the current value of the
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variable, or the empty string if the variable is not defined.
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#]=======================================================================]
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# NOTE: This file used to himself packaging via CPack IFW generator and
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# should be compatible with minimal CMake version defined in
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# ../CMakeLists.txt file.
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if(NOT DEFINED CPackIFWConfigureFile_CMake_INCLUDED)
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set(CPackIFWConfigureFile_CMake_INCLUDED 1)
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macro(cpack_ifw_configure_file INPUT OUTPUT)
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file(READ "${INPUT}" _tmp)
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foreach(_tmp_regex "%{([^%}]+)}" "%([^%]+)%")
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string(REGEX MATCHALL "${_tmp_regex}" _tmp_vars "${_tmp}")
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while(_tmp_vars)
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foreach(_tmp_var ${_tmp_vars})
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string(REGEX REPLACE "${_tmp_regex}" "\\1"
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_tmp_var_name "${_tmp_var}")
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if(DEFINED ${_tmp_var_name})
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set(_tmp_var_value "${${_tmp_var_name}}")
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elseif(NOT "$ENV{${_tmp_var_name}}" STREQUAL "")
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set(_tmp_var_value "$ENV{${_tmp_var_name}}")
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else()
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set(_tmp_var_value "")
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endif()
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string(REPLACE "${_tmp_var}" "${_tmp_var_value}" _tmp "${_tmp}")
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endforeach()
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string(REGEX MATCHALL "${_tmp_regex}" _tmp_vars "${_tmp}")
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endwhile()
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endforeach()
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if(IS_ABSOLUTE "${OUTPUT}")
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file(WRITE "${OUTPUT}" "${_tmp}")
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else()
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT}" "${_tmp}")
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endif()
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endmacro()
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endif() # NOT DEFINED CPackIFWConfigureFile_CMake_INCLUDED
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