/**
Check whether the string str matches the wildcard string wc.
\param str String to be matched.
\param wc The wildcard.
\param is_first Whether files beginning with dots should not be matched against wildcards.
*/
static bool wildcard_match_internal(const wchar_t *str, const wchar_t *wc, bool leading_dots_fail_to_match, bool is_first)
{
if (*str == 0 && *wc==0)
return true;
/* Hackish fix for https://github.com/fish-shell/fish-shell/issues/270 . Prevent wildcards from matching . or .., but we must still allow literal matches. */
if (leading_dots_fail_to_match && is_first && contains(str, L".", L".."))
{
/* The string is '.' or '..'. Return true if the wildcard exactly matches. */
return ! wcscmp(str, wc);
}
if (*wc == ANY_STRING || *wc == ANY_STRING_RECURSIVE)
{
/* Ignore hidden file */
if (leading_dots_fail_to_match && is_first && *str == L'.')
{
return false;
}
/* Try all submatches */
do
{
if (wildcard_match_internal(str, wc+1, leading_dots_fail_to_match, false))
return true;
}
while (*(str++) != 0);
return false;
}
else if (*str == 0)
{
/*
End of string, but not end of wildcard, and the next wildcard
element is not a '*', so this is not a match.
*/
return false;
}
if (*wc == ANY_CHAR)
{
if (is_first && *str == L'.')
{
return false;
}
return wildcard_match_internal(str+1, wc+1, leading_dots_fail_to_match, false);
}
if (*wc == *str)
return wildcard_match_internal(str+1, wc+1, leading_dots_fail_to_match, false);
return false;
}
bool wildcard_match(const wcstring &str, const wcstring &wc, bool leading_dots_fail_to_match)
{
return wildcard_match_internal(str.c_str(), wc.c_str(), leading_dots_fail_to_match, true /* first */);
}
bool wildcard_match(const wcstring &str, const wcstring &wc, bool leading_dots_fail_to_match) {
enum fuzzy_match_type_t match =
wildcard_match_internal(str.c_str(), wc.c_str(), leading_dots_fail_to_match);
return match != fuzzy_match_none;
}