Function util_RemoveLastPathElement

src/core/unixfsservices.cpp:1090–1114

///////////////////////////////////////////////////////////////////////////// Function name : util_RemoveLastPathElement Description : effectively pops off a path element from the end, except for the root dir, where it does nothing it removes any slashes before and after the element ///root//foo/ -> leaves "///root" ("foo" is strElem) ///root -> leaves "" ("root" is str

// Argument         : TSTRING& strElem
/////////////////////////////////////////////////////////////////////////////////
void util_RemoveLastPathElement(TSTRING& strPath, TSTRING& strElem)
{

    // remove all trailing separators
    util_RemoveTrailingSeps(strPath);

    // find the last separator
    TSTRING::size_type lastSep = strPath.rfind(TW_SLASH);

    // if separator was found, take all chars after it
    if (lastSep != TSTRING::npos)
    {
        strElem = strPath.substr(lastSep + 1);
        strPath.resize(lastSep + 1);
    }
    else // no seps in name, take whole string
    {
        // last element
        strElem = strPath;
        strPath.erase();
    }

    // remove all trailing separators
    util_RemoveTrailingSeps(strPath);
}


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