CMake/Tests/StringFileTest/CMakeLists.txt

PROJECT(StringFileTest)
INCLUDE_DIRECTORIES(${StringFileTest_BINARY_DIR})

FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/InputFile.h.in" infile)
STRING(REGEX MATCH "[cC][mM][aA][kK][eE]" rmvar "CMake is great")
STRING(REGEX MATCHALL "[cC][mM][aA][kK][eE]" rmallvar "CMake is better than cmake or CMake")
STRING(REGEX REPLACE "[Aa][uU][tT][oO]([cC][oO][nN][fF]|[mM][aA][kK][eE])"
  "CMake" rrepvar "People should use Autoconf and Automake")
STRING(COMPARE EQUAL "CMake" "Autoconf" nceqvar)
STRING(COMPARE EQUAL "CMake" "CMake" ceqvar)
STRING(COMPARE NOTEQUAL "CMake" "Autoconf" cneqvar)
STRING(COMPARE NOTEQUAL "CMake" "CMake" ncneqvar)
STRING(COMPARE LESS "before" "after" nclvar)
STRING(COMPARE LESS "max" "min" clvar)
STRING(COMPARE GREATER "before" "after" cgvar)
STRING(COMPARE GREATER "max" "min" ncgvar)
STRING(ASCII 67 109 97 107 101 savar)
STRING(TOUPPER "CMake" tuvar)
STRING(TOLOWER "CMake" tlvar)

FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Includes")

SET(file "${CMAKE_CURRENT_BINARY_DIR}/Includes/Values.h")
FILE(WRITE "${file}" "/* this file is generated */\n")
FOREACH(var
    rmvar
    rmallvar
    rrepvar
    nceqvar
    ceqvar
    cneqvar
    ncneqvar
    nclvar
    clvar
    cgvar
    ncgvar
    savar
    tuvar
    tlvar)
  FILE(APPEND "${file}" "#define ${var} \"${${var}}\"")
ENDFOREACH(var)

STRING(REGEX REPLACE "includefile" "${file}" outfile "${infile}")
FILE(WRITE "${CMAKE_CURRENT_BINARY_DIR}/OutputFile.h" "${outfile}")

ADD_EXECUTABLE(StringFileTest StringFile.cxx)