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truly empty? in filesystem_ext

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This commit is contained in:
qPCR4vir
2016-02-26 16:47:53 +01:00
parent ff279652bc
commit d335f34a6c
2 changed files with 15 additions and 11 deletions
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18
source/filesystem/filesystem.cpp
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@@ -110,6 +110,7 @@ namespace nana { namespace experimental { namespace filesystem
return pathstr_.compare(p.pathstr_);
}
/// true if the path is empty, false otherwise. ??
bool path::empty() const noexcept
{
#if defined(NANA_WINDOWS)
@@ -122,17 +123,20 @@ namespace nana { namespace experimental { namespace filesystem
path path::extension() const
{
// todo: make more globlal
#if defined(NANA_WINDOWS)
auto pos = pathstr_.find_last_of(L"\\/.");
auto SLorP=L"\\/.";
auto P=L'.';
#else
auto pos = pathstr_.find_last_of("\\/.");
auto SLorP="\\/.";
auto P='.';
#endif
if ((pos == pathstr_.npos) || (pathstr_[pos] != '.'))
return path();
auto pos = pathstr_.find_last_of(SLorP);
if (pos + 1 == pathstr_.size())
return path();
if ( ( pos == pathstr_.npos)
|| ( pathstr_[pos] != P )
|| ( pos + 1 == pathstr_.size() ))
return path();
return path(pathstr_.substr(pos));
}