[CMake] FILE TO_NATIVE_PATH on Windows

[Brandon J. Van Every]

William A. Hoffman wrote:
> At 12:26 AM 7/17/2006, Brandon J. Van Every wrote:
>
>   
>> Because last I tried, it was broken.  Precise definition of "broken" later.  I'm in the middle of a huge refactoring right now, driven by these pathing and quoting and escaped whitespace problems. 
>>     
> If it is broken, please let me know so it won't be broken in the next patch release
> of CMake when it comes out.
>   

Ok, FILE(TO_NATIVE_PATH ...) is "broken" on Windows in that it doesn't 
enclose the resultant path in double quotes.  This is a debateable 
aspect of design.  Quotes get in the way of merging paths, but they are 
also necessary to make a path usable. 


MACRO(MAKE_WINDOWS_PATH pathname)
  # An extra \\ escape is necessary to get a \ through CMake's processing.
  STRING(REPLACE "/" "\\" ${pathname} "${${pathname}}")
  # Enclose with UNESCAPED quotes.  This means we need to escape our
  # quotes once here, i.e. with \"
  SET(${pathname} \"${${pathname}}\")
ENDMACRO(MAKE_WINDOWS_PATH)

SET(CMAKEISH_PATH "C:/Program Files/Chicken")
MESSAGE(${CMAKEISH_PATH})

SET(MY_NATIVE_PATH ${CMAKEISH_PATH})
MAKE_WINDOWS_PATH(MY_NATIVE_PATH)
MESSAGE(${MY_NATIVE_PATH})

SET(YOUR_NATIVE_PATH ${CMAKEISH_PATH})
FILE(TO_NATIVE_PATH ${CMAKEISH_PATH} YOUR_NATIVE_PATH)
MESSAGE(${YOUR_NATIVE_PATH})

MACRO(SEPARATION_TEST path)
  SET(SEPARATED_HOOEY ${${path}})
  SEPARATE_ARGUMENTS(SEPARATED_HOOEY)
  MESSAGE("${SEPARATED_HOOEY}")
ENDMACRO(SEPARATION_TEST)

SEPARATION_TEST(CMAKEISH_PATH)
SEPARATION_TEST(MY_NATIVE_PATH)
SEPARATION_TEST(YOUR_NATIVE_PATH)


Brandon J. Van Every at KAHLO ~
$ cmake -P windowspath.cmake
C:/Program Files/Chicken
"C:\Program Files\Chicken"
C:\Program Files\Chicken
C:/Program;Files/Chicken
"C:\Program;Files\Chicken"
C:\Program;Files\Chicken


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