CTGitPath CTGitPathList::GetCommonRoot() const
{
if (IsEmpty())
return CTGitPath();
if (GetCount() == 1)
return m_paths[0];
// first entry is common root for itself
// (add trailing '\\' to detect partial matches of the last path element)
CString root = m_paths[0].GetWinPathString() + _T('\\');
int rootLength = root.GetLength();
// determine common path string prefix
for (PathVector::const_iterator it = m_paths.begin() + 1; it != m_paths.end(); ++it)
{
CString path = it->GetWinPathString() + _T('\\');
int newLength = CStringUtils::GetMatchingLength(root, path);
if (newLength != rootLength)
{
root.Delete(newLength, rootLength);
rootLength = newLength;
}
}
// remove the last (partial) path element
if (rootLength > 0)
root.Delete(root.ReverseFind(_T('\\')), rootLength);
// done
return CTGitPath(root);
}
CString CTGitPathList::CreateAsteriskSeparatedString() const
{
CString sRet;
PathVector::const_iterator it;
for(it = m_paths.begin(); it != m_paths.end(); ++it)
{
if (!sRet.IsEmpty())
sRet += _T("*");
sRet += it->GetWinPathString();
}
return sRet;
}