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Saveload: Add helper to conditionally save template functor

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This commit is contained in:
Jonathan G Rennison
2023-08-14 18:51:00 +01:00
parent f378167951
commit e3021de408
3 changed files with 44 additions and 0 deletions
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20
src/sl/saveload.cpp
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@@ -2073,6 +2073,26 @@ std::pair<byte *, size_t> SlSaveToTempBufferRestore(uint8 state)
return result;
}
SlConditionallySaveState SlConditionallySaveSetup()
{
assert(_sl.action == SLA_SAVE);
if (_sl.dumper->IsAutoLengthActive()) {
return { (size_t)(_sl.dumper->buf - _sl.dumper->autolen_buf), 0, true };
} else {
return { 0, SlSaveToTempBufferSetup(), false };
}
}
extern void SlConditionallySaveCompletion(const SlConditionallySaveState &state, bool save)
{
if (state.nested) {
if (!save) _sl.dumper->buf = _sl.dumper->autolen_buf + state.current_len;
} else {
auto result = SlSaveToTempBufferRestore(state.need_length);
if (save) _sl.dumper->CopyBytes(result.first, result.second);
}
}
SlLoadFromBufferState SlLoadFromBufferSetup(const byte *buffer, size_t length)
{
assert(_sl.action == SLA_LOAD || _sl.action == SLA_LOAD_CHECK);