std::vector <std::pair <size_t, size_t> > PcRe::match (const std::wstring &str) const
{
// We are not interested in subpatterns
// pcre_exec requires an extra 50% space in ovector
int ovector[3];
std::string utf8 = wstring_to_utf8 (str);
std::vector <std::pair <size_t, size_t> > ret;
int rc;
size_t offset = 0;
while ((rc = pcre_exec ((const pcre *)re, (const pcre_extra *)re_ex,
utf8.data (), utf8.length (), offset, PCRE_NOTEMPTY, ovector, 3)) >= 0) {
// rc==0 means too many substrings.
// We do not distinguish these situations
// Values in ovector are in bytes, not in UTF-8 characters
size_t wchar_offset = mbs_to_wstring (utf8.data (), ovector[0]).length ();
size_t wchar_len = mbs_to_wstring (utf8.data () + ovector[0], ovector[1]-ovector[0]).length ();
ret.push_back (std::make_pair (wchar_offset, wchar_len));
offset = ovector[1];
}
return ret;
}
DirEntList list_dir (
const std::wstring &directory,
const UnaryCallback <const DirEnt &, bool> &filter,
const BinaryCallback <const DirEnt &, const DirEnt &, bool> &comp
)
{
DirEntList filelist;
std::string dirname = wstring_to_mbs (directory);
if (DIR *dir = ::opendir (dirname.c_str ())) {
DirEnt tmp_ent;
if (*c(dirname).rbegin() != '/') {
dirname += '/';
}
while (struct dirent *ent = readdir (dir)) {
tmp_ent.name = mbs_to_wstring (ent->d_name);
tmp_ent.attr = get_file_attr (dirname + ent->d_name);
if (!filter (tmp_ent)) {
filelist.push_back (std::move (tmp_ent));
}
}
closedir (dir);
// Sort them
filelist.sort (wrap (comp));
}
return filelist;
}
template <> const std::basic_string<wchar_t> &get_home_dir <wchar_t> ()
{
static std::wstring dir = mbs_to_wstring (get_home_dir <char> ());
return dir;
}
template <> std::basic_string<wchar_t> get_current_dir <wchar_t> ()
{
return mbs_to_wstring (get_current_dir<char>());
}
std::wstring get_home_dir (const std::wstring &user)
{
return mbs_to_wstring (get_home_dir (wstring_to_mbs (user).c_str()));
}
