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# Include file that implements 'DirSep' and friends. Do not import this when
# you also import ``os.nim``!
# Improved based on info in 'compiler/platform.nim'
const
doslikeFileSystem* = defined(windows) or defined(OS2) or defined(DOS)
const
CurDir* =
when defined(macos): ':'
elif defined(genode): '/'
else: '.'
## The constant character used by the operating system to refer to the
## current directory.
##
## For example: `'.'` for POSIX or `':'` for the classic Macintosh.
ParDir* =
when defined(macos): "::"
else: ".."
## The constant string used by the operating system to refer to the
## parent directory.
##
## For example: `".."` for POSIX or `"::"` for the classic Macintosh.
DirSep* =
when defined(macos): ':'
elif doslikeFileSystem or defined(vxworks): '\\'
elif defined(RISCOS): '.'
else: '/'
## The character used by the operating system to separate pathname
## components, for example: `'/'` for POSIX, `':'` for the classic
## Macintosh, and `'\\'` on Windows.
AltSep* =
when doslikeFileSystem: '/'
else: DirSep
## An alternative character used by the operating system to separate
## pathname components, or the same as `DirSep <#DirSep>`_ if only one separator
## character exists. This is set to `'/'` on Windows systems
## where `DirSep <#DirSep>`_ is a backslash (`'\\'`).
PathSep* =
when defined(macos) or defined(RISCOS): ','
elif doslikeFileSystem or defined(vxworks): ';'
elif defined(PalmOS) or defined(MorphOS): ':' # platform has ':' but osseps has ';'
else: ':'
## The character conventionally used by the operating system to separate
## search path components (as in PATH), such as `':'` for POSIX
## or `';'` for Windows.
FileSystemCaseSensitive* =
when defined(macos) or defined(macosx) or doslikeFileSystem or defined(vxworks) or
defined(PalmOS) or defined(MorphOS): false
else: true
## True if the file system is case sensitive, false otherwise. Used by
## `cmpPaths proc <#cmpPaths,string,string>`_ to compare filenames properly.
ExeExt* =
when doslikeFileSystem: "exe"
elif defined(atari): "tpp"
elif defined(netware): "nlm"
elif defined(vxworks): "vxe"
elif defined(nintendoswitch): "elf"
else: ""
## The file extension of native executables. For example:
## `""` for POSIX, `"exe"` on Windows (without a dot).
ScriptExt* =
when doslikeFileSystem: "bat"
else: ""
## The file extension of a script file. For example: `""` for POSIX,
## `"bat"` on Windows.
DynlibFormat* =
when defined(macos): "$1.dylib" # platform has $1Lib
elif defined(macosx): "lib$1.dylib"
elif doslikeFileSystem or defined(atari): "$1.dll"
elif defined(MorphOS): "$1.prc"
elif defined(PalmOS): "$1.prc" # platform has lib$1.so
elif defined(genode): "$1.lib.so"
elif defined(netware): "$1.nlm"
elif defined(amiga): "$1.Library"
else: "lib$1.so"
## The format string to turn a filename into a `DLL`:idx: file (also
## called `shared object`:idx: on some operating systems).
ExtSep* = '.'
## The character which separates the base filename from the extension;
## for example, the `'.'` in ``os.nim``.
# MacOS paths
# ===========
# MacOS directory separator is a colon ":" which is the only character not
# allowed in filenames.
#
# A path containing no colon or which begins with a colon is a partial
# path.
# E.g. ":kalle:petter" ":kalle" "kalle"
#
# All other paths are full (absolute) paths. E.g. "HD:kalle:" "HD:"
# When generating paths, one is safe if one ensures that all partial paths
# begin with a colon, and all full paths end with a colon.
# In full paths the first name (e g HD above) is the name of a mounted
# volume.
# These names are not unique, because, for instance, two diskettes with the
# same names could be inserted. This means that paths on MacOS are not
# waterproof. In case of equal names the first volume found will do.
# Two colons "::" are the relative path to the parent. Three is to the
# grandparent etc.
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