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// Copyright Epic Games, Inc. All Rights Reserved.
#include <zencore/string.h>
#include <zenutil/wildcard.h>
#if ZEN_WITH_TESTS
# include <zencore/testing.h>
#endif // ZEN_WITH_TESTS
namespace zen {
bool
MatchWildcard(std::string_view::const_iterator WildcardIt,
std::string_view::const_iterator WildcardEnd,
std::string_view::const_iterator StringIt,
std::string_view::const_iterator StringEnd)
{
for (; WildcardIt != WildcardEnd; WildcardIt++)
{
switch (*WildcardIt)
{
case '?':
if (StringIt == StringEnd)
{
return false;
}
StringIt++;
break;
case '*':
{
if ((WildcardIt + 1) == WildcardEnd)
{
return true;
}
size_t Max = std::distance(StringIt, StringEnd);
for (size_t i = 0; i < Max; i++)
{
if (MatchWildcard(WildcardIt + 1, WildcardEnd, StringIt + i, StringEnd))
{
return true;
}
}
return false;
}
default:
if (StringIt == StringEnd)
{
return false;
}
if (*StringIt != *WildcardIt)
{
return false;
}
++StringIt;
break;
}
}
return StringIt == StringEnd;
}
bool
MatchWildcard(std::string_view Wildcard, std::string_view String, bool CaseSensitive)
{
if (CaseSensitive)
{
return MatchWildcard(begin(Wildcard), end(Wildcard), begin(String), end(String));
}
else
{
std::string LowercaseWildcard = ToLower(Wildcard);
std::string LowercaseString = ToLower(String);
std::string_view LowercaseWildcardView(LowercaseWildcard);
std::string_view LowercaseStringView(LowercaseString);
return MatchWildcard(begin(LowercaseWildcardView),
end(LowercaseWildcardView),
begin(LowercaseStringView),
end(LowercaseStringView));
}
}
bool
IncludePath(std::span<const std::string> IncludeWildcards,
std::span<const std::string> ExcludeWildcards,
const std::string& Path,
bool CaseSensitive)
{
bool IncludePath = true;
if (!IncludeWildcards.empty())
{
IncludePath = false;
for (const std::string& IncludeWildcard : IncludeWildcards)
{
if (MatchWildcard(IncludeWildcard, Path, CaseSensitive))
{
IncludePath = true;
break;
}
}
if (!IncludePath)
{
return false;
}
}
for (const std::string& ExcludeWildcard : ExcludeWildcards)
{
if (MatchWildcard(ExcludeWildcard, Path, CaseSensitive))
{
return false;
}
}
return true;
}
#if ZEN_WITH_TESTS
void
wildcard_forcelink()
{
}
TEST_CASE("Wildcard")
{
CHECK(MatchWildcard("*.*", "normal.txt", true));
CHECK(MatchWildcard("*.*", "normal.txt", false));
CHECK(!MatchWildcard("*.*", "normal", true));
CHECK(!MatchWildcard("*.*", "normal", false));
CHECK(MatchWildcard("*", "hey/normal", true));
CHECK(MatchWildcard("*", "hey/normal", false));
CHECK(MatchWildcard("hey/*.txt", "hey/normal.txt", true));
CHECK(MatchWildcard("*/?ormal.txt", "hey/normal.txt", true));
CHECK(!MatchWildcard("*/?rmal.txt", "hey/normal.txt", true));
CHECK(MatchWildcard("*/?ormal.*", "hey/normal.txt", true));
CHECK(MatchWildcard("*/?ormal", "hey/normal", true));
CHECK(MatchWildcard("hey/*.txt", "hey/normaL.txt", false));
CHECK(MatchWildcard("*/?ormal.TXT", "hey/normal.txt", false));
CHECK(MatchWildcard("*/?ORMAL.*", "hey/normal.txt", false));
CHECK(MatchWildcard("*/?ormal", "HEY/normal", false));
CHECK(!MatchWildcard("hey/*.txt", "heY/normal.txt", true));
CHECK(!MatchWildcard("*/?ormal.TXT", "hey/normal.txt", true));
CHECK(!MatchWildcard("*/?ORMAL.*", "hey/normal.txt", true));
CHECK(!MatchWildcard("*/?ormal", "hey/normaL", true));
CHECK(MatchWildcard("*.dll", "dir/path.dll", true));
CHECK(!MatchWildcard("*.dll", "dir/path.d", true));
CHECK(!MatchWildcard("*.d", "dir/path.dll", true));
CHECK(MatchWildcard("*.d", "dir/path.d", true));
}
#endif
} // namespace zen
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