75 lines
2.7 KiB
CMake
75 lines
2.7 KiB
CMake
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# This module defines the ARGUMENT_PARSER macro for parsing macro arguments.
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# ARGUMENT_PARSER Macro
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# This macro parses a mixed list of arguments and headers into lists and boolean
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# variables. The output lists and boolean variables are stored using
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# tolower( header ) variable names. All non-header arguments will be added to
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# the output list that corresponds to the header that they follow (or to the
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# default list if no header has been parsed yet). If a boolean header is passed,
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# then its corresponding output variable is set to YES.
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#
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# Usage:
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# ARGUMENT_PARSER( default_list lists bools ARGN )
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#
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# Parameters:
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# default_list The name of the variable that list values should be added
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# to before any list headers have been reached. You may
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# pass "" to disregard premature list values.
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# lists The list headers (semicolon-separated string).
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# bools The boolean headers (semicolon-separated string).
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# ARGN The arguments to parse.
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MACRO( ARGUMENT_PARSER default_list lists bools )
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# Start using the default list.
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SET( dest "${default_list}" )
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IF( NOT dest )
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SET( dest tmp )
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ENDIF( NOT dest )
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# Clear all of the lists.
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FOREACH( list_itr ${lists} )
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STRING( TOLOWER ${list_itr} lower )
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SET( ${lower} "" )
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ENDFOREACH( list_itr )
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# Set all boolean variables to NO.
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FOREACH( bool_itr ${bools} )
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STRING( TOLOWER ${bool_itr} lower )
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SET( ${lower} NO )
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ENDFOREACH( bool_itr )
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# For all arguments.
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FOREACH( arg_itr ${ARGN} )
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SET( done NO )
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# For each of the list headers, if the current argument matches a list
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# header, then set the destination to the header.
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FOREACH( list_itr ${lists} )
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IF( ${arg_itr} STREQUAL ${list_itr} )
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STRING( TOLOWER ${arg_itr} lower )
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SET( dest ${lower} )
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SET( done YES )
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ENDIF( ${arg_itr} STREQUAL ${list_itr} )
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ENDFOREACH( list_itr )
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# For each of the boolean headers, if the current argument matches a
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# boolean header, then set the boolean variable to true.
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FOREACH( bool_itr ${bools} )
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IF( ${arg_itr} STREQUAL ${bool_itr} )
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STRING( TOLOWER ${arg_itr} lower )
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SET( ${lower} YES )
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SET( done YES )
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ENDIF( ${arg_itr} STREQUAL ${bool_itr} )
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ENDFOREACH( bool_itr )
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# If the current argument is not a header, then add it to the current
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# destination list.
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IF( NOT done )
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SET( ${dest} ${${dest}} ${arg_itr} )
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ENDIF( NOT done )
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ENDFOREACH( arg_itr )
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ENDMACRO( ARGUMENT_PARSER )
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