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https://github.com/latentPrion/cppbessot.git
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51 lines
1.5 KiB
CMake
51 lines
1.5 KiB
CMake
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cmake_minimum_required(VERSION 3.16)
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function(cppbessot_db_action_target_upper out_var db_target)
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string(TOUPPER "${db_target}" _upper)
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set(${out_var} "${_upper}" PARENT_SCOPE)
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endfunction()
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function(cppbessot_db_action_resolve_backend_for_target
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out_backend
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out_sqlite_path
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out_pgsql_connstr
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db_target)
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cppbessot_db_action_validate_db_target("${db_target}")
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cppbessot_db_action_target_upper(_target_upper "${db_target}")
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set(_sqlite_var "CPPBESSOT_DB_SQLITE_${_target_upper}_PATH")
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set(_pgsql_var "CPPBESSOT_DB_PGSQL_${_target_upper}_CONNSTR")
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set(_has_sqlite FALSE)
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set(_has_pgsql FALSE)
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if(DEFINED ${_sqlite_var} AND NOT "${${_sqlite_var}}" STREQUAL "")
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set(_has_sqlite TRUE)
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endif()
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if(DEFINED ${_pgsql_var} AND NOT "${${_pgsql_var}}" STREQUAL "")
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set(_has_pgsql TRUE)
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endif()
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if(_has_sqlite AND _has_pgsql)
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message(FATAL_ERROR
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"DB target `${db_target}` is ambiguous: both `${_sqlite_var}` and `${_pgsql_var}` are set.")
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endif()
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if(NOT _has_sqlite AND NOT _has_pgsql)
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message(FATAL_ERROR
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"DB target `${db_target}` is not mapped: set exactly one of `${_sqlite_var}` or `${_pgsql_var}`.")
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endif()
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if(_has_sqlite)
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set(${out_backend} "sqlite" PARENT_SCOPE)
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set(${out_sqlite_path} "${${_sqlite_var}}" PARENT_SCOPE)
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set(${out_pgsql_connstr} "" PARENT_SCOPE)
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return()
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endif()
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set(${out_backend} "postgre" PARENT_SCOPE)
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set(${out_sqlite_path} "" PARENT_SCOPE)
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set(${out_pgsql_connstr} "${${_pgsql_var}}" PARENT_SCOPE)
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endfunction()
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