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#include "yql_langver.h"
#include <util/string/cast.h>
#include <vector>
#include <utility>
namespace NYql {
namespace {
constexpr TLangVersion MaxReleasedLangVersion = MakeLangVersion(2025, 2);
const std::pair<ui32,ui32> Versions[] = {
#include "yql_langver_list.inc"
};
}
bool IsValidLangVersion(TLangVersion ver) {
for (size_t i = 0; i < Y_ARRAY_SIZE(Versions); ++i) {
if (ver == MakeLangVersion(Versions[i].first, Versions[i].second)) {
return true;
}
}
return false;
}
bool ParseLangVersion(TStringBuf str, TLangVersion& result) {
result = UnknownLangVersion;
if (str.size() != 7 || str[4] != '.') {
return false;
}
ui32 year, minor;
if (!TryFromString(str.SubString(0, 4), year)) {
return false;
}
if (!TryFromString(str.SubString(5, 2), minor)) {
return false;
}
result = MakeLangVersion(year, minor);
return true;
}
bool FormatLangVersion(TLangVersion ver, TLangVersionBuffer& buffer, TStringBuf& result) {
ui32 year = GetYearFromLangVersion(ver);
if (year > 9999) {
return false;
}
ui32 minor = GetMinorFromLangVersion(ver);
Y_ASSERT(minor < 100);
if (ToString(year, buffer.data() + 0, 4) != 4) {
return false;
}
buffer[4] = '.';
if (ToString(minor, buffer.data() + 5, 2) == 1) {
buffer[6] = buffer[5];
buffer[5] = '0';
}
buffer[7] = 0;
result = TStringBuf(buffer.data(), buffer.size() - 1);
return true;
}
TLangVersion GetMaxReleasedLangVersion() {
return MaxReleasedLangVersion;
}
TLangVersion GetMaxLangVersion() {
TLangVersion max = 0;
for (size_t i = 0; i < Y_ARRAY_SIZE(Versions); ++i) {
auto v = MakeLangVersion(Versions[i].first, Versions[i].second);
max = Max(max, v);
}
return max;
}
bool IsBackwardCompatibleFeatureAvailable(TLangVersion currentVer, TLangVersion featureVer,
EBackportCompatibleFeaturesMode mode) {
switch (mode) {
case EBackportCompatibleFeaturesMode::All:
return true;
case EBackportCompatibleFeaturesMode::Released:
return IsAvailableLangVersion(featureVer, GetMaxReleasedLangVersion());
case EBackportCompatibleFeaturesMode::None:
return IsAvailableLangVersion(featureVer, currentVer);
}
}
}
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