ezStringView ezPathUtils::GetFileName(const char* szPath, const char* szPathEnd)
{
// make sure szPathEnd is valid
ezStringUtils::UpdateStringEnd(szPath, szPathEnd);
const char* szSeparator = FindPreviousSeparator(szPath, szPathEnd);
const char* szDot = ezStringUtils::FindLastSubString(szPath, ".", szPathEnd);
if (szDot < szSeparator) // includes (szDot == nullptr), szSeparator will never be nullptr here -> no extension
{
return ezStringView(szSeparator + 1, szPathEnd);
}
if (szSeparator == nullptr)
{
if (szDot == nullptr) // no folder, no extension -> the entire thing is just a name
return ezStringView(szPath, szPathEnd);
return ezStringView(szPath, szDot); // no folder, but an extension -> remove the extension
}
// now: there is a separator AND an extension
return ezStringView(szSeparator + 1, szDot);
}
ezStringView ezPathUtils::GetFileNameAndExtension(const char* szPath, const char* szPathEnd)
{
ezStringUtils::UpdateStringEnd(szPath, szPathEnd);
const char* szSeparator = FindPreviousSeparator(szPath, szPathEnd);
if (szSeparator == nullptr)
return ezStringView(szPath, szPathEnd);
return ezStringView(szSeparator + 1, szPathEnd);
}
ezStringView ezPathUtils::GetFileExtension(const char* szPath, const char* szPathEnd)
{
ezStringUtils::UpdateStringEnd(szPath, szPathEnd);
const char* szDot = ezStringUtils::FindLastSubString(szPath, ".", nullptr, szPathEnd);
if (szDot == nullptr)
return ezStringView(nullptr);
// find the last separator in the string
const char* szSeparator = FindPreviousSeparator(szPath, szPathEnd);
if (szSeparator > szDot)
return ezStringView(nullptr);
return ezStringView(szDot + 1, szPathEnd);
}
ezStringView ezPathUtils::GetFileDirectory(const char* szPath, const char* szPathEnd)
{
// make sure szPathEnd is valid
ezStringUtils::UpdateStringEnd(szPath, szPathEnd);
ezStringView end (szPath, szPathEnd);
end.ResetToBack();
// if it already ends in a path separator, do not return a different directory
if (IsPathSeparator(end.GetCharacter()))
return ezStringView(szPath, szPathEnd);
// find the last separator in the string
const char* szSeparator = FindPreviousSeparator(szPath, szPathEnd);
// no path separator -> root dir -> return the empty path
if (szSeparator == nullptr)
return ezStringView(nullptr);
return ezStringView(szPath, szSeparator + 1);
}
void ezCommandLineUtils::SplitCommandLineString(const char* commandString, bool addExecutableDir, ezDynamicArray<ezString>& outArgs,
ezDynamicArray<const char*>& outArgsV)
{
// Add application dir as first argument as customary on other platforms.
if (addExecutableDir)
{
#if EZ_ENABLED(EZ_PLATFORM_WINDOWS)
wchar_t moduleFilename[256];
GetModuleFileNameW(nullptr, moduleFilename, 256);
outArgs.PushBack(ezStringUtf8(moduleFilename).GetData());
#else
EZ_ASSERT_NOT_IMPLEMENTED;
#endif
}
// Simple args splitting. Not as powerful as Win32's CommandLineToArgvW.
const char* currentChar = commandString;
const char* lastEnd = currentChar;
bool inQuotes = false;
while (*currentChar != '\0')
{
if (*currentChar == '\"')
inQuotes = !inQuotes;
else if (*currentChar == ' ' && !inQuotes)
{
ezStringBuilder path = ezStringView(lastEnd, currentChar);
path.Trim(" \"");
outArgs.PushBack(path);
lastEnd = currentChar + 1;
}
ezUnicodeUtils::MoveToNextUtf8(currentChar);
}
outArgsV.Reserve(outArgsV.GetCount());
for (ezString& str : outArgs)
outArgsV.PushBack(str.GetData());
}
