187 lines
6.2 KiB
CMake
187 lines
6.2 KiB
CMake
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############################################################################
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#
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# file : split_argn.cmake
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# copyright : (C) 2008 by Mart Kelder
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# web : www.speed-dreams.org
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# version : $Id: splitargn.cmake 6493 2017-01-10 04:59:39Z beaglejoe $
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#
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############################################################################
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############################################################################
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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############################################################################
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# @file Generic macro argument parser
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# @author Mart Kelder
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# @version $Id: splitargn.cmake 6493 2017-01-10 04:59:39Z beaglejoe $
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# Internal use only : Get the list of specified keywords
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MACRO(SPLIT_ARGN_KEYWORDS SAK_RESULT)
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SET(SAK_FIRST TRUE)
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SET(SAK_FINISHED FALSE)
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FOREACH(SAK_ITEM ${ARGN})
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IF(NOT SAK_FINISHED)
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IF(${SAK_ITEM} STREQUAL ARGUMENTS)
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SET(SAK_FINISHED TRUE)
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ELSE(${SAK_ITEM} STREQUAL ARGUMENTS)
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STRING(REPLACE "," ";" SAK_ITEMLIST ${SAK_ITEM})
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LIST(GET SAK_ITEMLIST 0 SAK_KEYWORD)
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IF(SAK_FIRST)
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SET(${SAK_RESULT} ${SAK_KEYWORD})
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SET(SAK_FIRST FALSE)
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ELSE(SAK_FIRST)
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SET(${SAK_RESULT} ${${SAK_RESULT}} ${SAK_KEYWORD})
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ENDIF(SAK_FIRST)
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ENDIF(${SAK_ITEM} STREQUAL ARGUMENTS)
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ENDIF(NOT SAK_FINISHED)
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ENDFOREACH(SAK_ITEM ${ARGN})
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ENDMACRO(SPLIT_ARGN_KEYWORDS SAK_RESULT)
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# Internal use only : Initialize output vars for each keyword
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MACRO(SPLIT_ARGN_CLEAN_VARS)
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SET(SACI_FINISHED FALSE)
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FOREACH(SACI_ITEM ${ARGN})
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IF(NOT SACI_FINISHED)
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IF(${SACI_ITEM} STREQUAL ARGUMENTS)
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SET(SACI_FINISHED TRUE)
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ELSE(${SACI_ITEM} STREQUAL ARGUMENTS)
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STRING(REPLACE "," ";" SACI_ITEMLIST ${SACI_ITEM})
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LIST(GET SACI_ITEMLIST 3 SACI_ISVARNAME)
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SET(${SACI_ISVARNAME} FALSE)
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LIST(GET SACI_ITEMLIST 4 SACI_VARNAME)
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SET(${SACI_VARNAME})
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ENDIF(${SACI_ITEM} STREQUAL ARGUMENTS)
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ENDIF(NOT SACI_FINISHED)
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ENDFOREACH(SACI_ITEM ${ARGN})
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ENDMACRO(SPLIT_ARGN_CLEAN_VARS)
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# Internal use only : Parse args for a given keyword
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MACRO(SPLIT_ARGN_GET_KEYWORD SAG_KEYWORD SAG_FOUND SAG_KEYWORDNAME SAG_MINCOUNT SAG_MAXCOUNT SAG_ISVARNAME SAG_VARNAME)
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SET(${SAG_FOUND} FALSE)
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SET(SAG_FINISHED FALSE)
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FOREACH(SAG_ITEM ${ARGN})
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IF(NOT SAG_FINISHED)
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IF(${SAG_ITEM} STREQUAL ARGUMENTS)
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SET(SAG_FINISHED TRUE)
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ELSE(${SAG_ITEM} STREQUAL ARGUMENTS)
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STRING(REPLACE "," ";" SAG_ITEMLIST ${SAG_ITEM})
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LIST(GET SAG_ITEMLIST 0 SAG_ITEMKEYWORD)
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IF(${SAG_KEYWORD} STREQUAL ${SAG_ITEMKEYWORD})
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SET(${SAG_FOUND} TRUE)
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LIST(GET SAG_ITEMLIST 0 ${SAG_KEYWORDNAME})
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LIST(GET SAG_ITEMLIST 1 ${SAG_MINCOUNT})
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LIST(GET SAG_ITEMLIST 2 ${SAG_MAXCOUNT})
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LIST(GET SAG_ITEMLIST 3 ${SAG_ISVARNAME})
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LIST(GET SAG_ITEMLIST 4 ${SAG_VARNAME})
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ENDIF(${SAG_KEYWORD} STREQUAL ${SAG_ITEMKEYWORD})
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ENDIF(${SAG_ITEM} STREQUAL ARGUMENTS)
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ENDIF(NOT SAG_FINISHED)
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ENDFOREACH(SAG_ITEM ${ARGN})
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ENDMACRO(SPLIT_ARGN_GET_KEYWORD SAG_KEYWORD SAG_FOUND SAG_KEYWORDNAME SAG_MINCOUNT SAG_MAXCOUNT SAG_ISVARNAME SAG_VARNAME)
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# Internal use only : Test if a string is a keyword
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MACRO(SPLIT_ARGN_IS_KEYWORD SAG_KEYWORDS SAG_ITEM SAG_RESULT)
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LIST(FIND ${SAG_KEYWORDS} ${SAG_ITEM} SAG_FIND)
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IF(${SAG_FIND} LESS 0)
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SET(${SAG_RESULT} FALSE)
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ELSE(${SAG_FIND} LESS 0)
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SET(${SAG_RESULT} TRUE)
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ENDIF(${SAG_FIND} LESS 0)
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ENDMACRO(SPLIT_ARGN_IS_KEYWORD SAG_KEYWORDS SAG_ITEM)
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# The argument parser
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MACRO(SPLIT_ARGN)
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SPLIT_ARGN_KEYWORDS(SA_KEYWORDS ${ARGN})
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SPLIT_ARGN_CLEAN_VARS(${ARGN})
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SET(SA_EXPECT_KEYWORD TRUE)
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SET(SA_EXPECT_VALUE FALSE)
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SET(SA_START FALSE)
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#Loop through list
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FOREACH(SA_ITEM ${ARGN})
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IF(NOT SA_START)
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IF(${SA_ITEM} STREQUAL ARGUMENTS)
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SET(SA_START TRUE)
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ENDIF(${SA_ITEM} STREQUAL ARGUMENTS)
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ELSE(NOT SA_START)
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#Check if the current item is a keyword
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SPLIT_ARGN_IS_KEYWORD(SA_KEYWORDS ${SA_ITEM} SA_ISKEYWORD)
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IF(SA_ISKEYWORD)
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#Check if it is what we expect
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IF(NOT SA_EXPECT_KEYWORD)
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MESSAGE(ERROR ": Unexpected keyword in SPLIT_ARGN, got \"${SA_ITEM}\".")
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ELSE(NOT SA_EXPECT_KEYWORD)
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#Save information about the keyword
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SPLIT_ARGN_GET_KEYWORD(${SA_ITEM} SA_KEYWORD_FOUND SA_CUR_KEYWORD SA_CUR_MINCOUNT SA_CUR_MAXCOUNT SA_CUR_ISVARNAME SA_CUR_VARNAME ${ARGN})
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IF(SA_KEYWORD_FOUND)
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SET(SA_CUR_INDEX 0)
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SET(${SA_CUR_VARNAME})
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SET(${SA_CUR_ISVARNAME} FALSE)
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ELSE(SA_KEYWORD_FOUND)
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MESSAGE(ERROR ": Got keyword, but didn't found information about \"${SA_ITEM}\"")
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ENDIF(SA_KEYWORD_FOUND)
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ENDIF(NOT SA_EXPECT_KEYWORD)
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ELSE(SA_ISKEYWORD)
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#Check if it is what we expect
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IF(NOT SA_EXPECT_VALUE)
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MESSAGE(ERROR ": Unexpected value in SPLIT_ARGN, got \"${SA_ITEM}\".")
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ELSE(NOT SA_EXPECT_VALUE)
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#Save this item to the list
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SET(${SA_CUR_VARNAME} ${${SA_CUR_VARNAME}} ${SA_ITEM})
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#Increase index
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MATH(EXPR SA_CUR_INDEX_TMP "${SA_CUR_INDEX}+1")
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SET(SA_CUR_INDEX ${SA_CUR_INDEX_TMP})
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ENDIF(NOT SA_EXPECT_VALUE)
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ENDIF(SA_ISKEYWORD)
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#Check what to expect from the next element
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IF(${SA_CUR_INDEX} LESS ${SA_CUR_MINCOUNT})
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SET(SA_EXPECT_KEYWORD FALSE)
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SET(SA_EXPECT_VALUE TRUE)
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ELSE(${SA_CUR_INDEX} LESS ${SA_CUR_MINCOUNT})
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SET(${SA_CUR_ISVARNAME} TRUE)
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SET(SA_EXPECT_KEYWORD TRUE)
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IF(${SA_CUR_INDEX} LESS ${SA_CUR_MAXCOUNT} OR ${SA_CUR_MAXCOUNT} LESS 0)
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SET(SA_EXPECT_VALUE TRUE)
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ELSE(${SA_CUR_INDEX} LESS ${SA_CUR_MAXCOUNT} OR ${SA_CUR_MAXCOUNT} LESS 0)
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SET(SA_EXPECT_VALUE FALSE)
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ENDIF(${SA_CUR_INDEX} LESS ${SA_CUR_MAXCOUNT} OR ${SA_CUR_MAXCOUNT} LESS 0)
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ENDIF(${SA_CUR_INDEX} LESS ${SA_CUR_MINCOUNT})
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ENDIF(NOT SA_START)
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ENDFOREACH(SA_ITEM ${ARGN})
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IF(SA_START AND NOT SA_EXPECT_KEYWORD)
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#Didn't get all the expected values of the last keyword
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MESSAGE(ERROR ": Missing values at the end in SPLIT_ARGN.")
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ENDIF(SA_START AND NOT SA_EXPECT_KEYWORD)
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ENDMACRO(SPLIT_ARGN)
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