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Code Issues 150 Wiki Activity

perf(scenery): runs of model instances read straight from the text by a reader made for them, shared between threads; anything the reader doesn't cover left to the parser; model and skin located once for a run of instances; lookup of nodes by uuid filled on load only for a scenery opened for editing

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This commit is contained in:
Hirek
2026-10-06 21:58:49 +02:00
parent 96cd3e32ef
commit 90c5420396
9 changed files with 696 additions and 29 deletions
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41
utilities/parser.cpp
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@@ -832,3 +832,44 @@ bool cParser::InLayerFile() const
{
return mIncludeParser ? mIncludeParser->InLayerFile() : (false == mFile.empty() && false == mIncFile);
}
std::string_view cParser::remainingText() const
{
if (false == tokens.empty())
{
return {};
}
// each parser on the way gets to change the tokens of the file being read
auto const *source{this};
while (true)
{
if (false == source->parameters.empty() || false == source->skipComments || source->mComments.size() != 2)
{
return {};
}
if (source->mIncludeParser == nullptr)
{
break;
}
source = source->mIncludeParser.get();
}
// NOTE: the first token of a file is left to the regular code, which deals with the byte order mark
if (source->mFirstToken || source->mEofBit || source->mFailBit || static_cast<std::size_t>(source->mPosition) >= source->mBuffer.size())
{
return {};
}
return std::string_view{source->mBuffer}.substr(static_cast<std::size_t>(source->mPosition));
}
void cParser::skipText(std::size_t const Count, std::size_t const Lines, std::size_t const Tokenlength)
{
if (mIncludeParser)
{
mIncludeParser->skipText(Count, Lines, Tokenlength);
return;
}
mPosition = static_cast<std::streamoff>(std::min(static_cast<std::size_t>(mPosition) + Count, mBuffer.size()));
mLine += Lines;
mTokenEnd = mPosition;
mTokenBegin = mPosition - static_cast<std::streamoff>(std::min(Tokenlength, static_cast<std::size_t>(mPosition)));
}