Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-09 17:31:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Exploration of using rocksdb as file+instance storage

Browse Source
This commit is contained in:
Thomas Krijnen
2025-02-21 16:12:16 +01:00
parent cdcbc2ad3b
commit da4e86a1d5
16 changed files with 2012 additions and 547 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcparse/IfcSpfHeader.cpp
+45 -20
View File
@@ -37,44 +37,69 @@ static const char* const DATA = "DATA";
using namespace IfcParse;
namespace {
IfcEntityInstanceData read_from_file(IfcFile* f, size_t s) {
parse_context pc;
f->tokens->Next();
f->load(-1, nullptr, pc, -1);
return pc.construct(-1, f->references_to_resolve, nullptr, s);
IfcEntityInstanceData read_from_spf_file(IfcFile* f, size_t s) {
return std::visit([f, s](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, IfcParse::impl::in_memory_file_storage>) {
parse_context pc;
m.tokens->Next();
m.load(-1, nullptr, pc, -1);
return pc.construct(-1, m.references_to_resolve, nullptr, s);
} else {
// std::unreachable();
return IfcEntityInstanceData(in_memory_attribute_storage(10));
}
}, f->storage_);
}
}
HeaderEntity::HeaderEntity(const char* const datatype, size_t size, IfcFile* file)
: datatype_(datatype)
, file_(file)
, data_(file ? read_from_file(file, size) : IfcEntityInstanceData(storage_t(size)))
, data_(file ? read_from_spf_file(file, size) : IfcEntityInstanceData(in_memory_attribute_storage(size)))
{}
HeaderEntity::~HeaderEntity() {
}
void IfcSpfHeader::readSemicolon() {
if (!TokenFunc::isOperator(file_->tokens->Next(), ';')) {
throw IfcException(std::string("Expected ;"));
}
std::visit([](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, IfcParse::impl::in_memory_file_storage>) {
if (!TokenFunc::isOperator(m.tokens->Next(), ';')) {
throw IfcException(std::string("Expected ;"));
}
} else {
// std::unreachable();
}
}, file_->storage_);
}
void IfcSpfHeader::readParen() {
if (!TokenFunc::isOperator(file_->tokens->Next(), '(')) {
throw IfcException(std::string("Expected ("));
}
std::visit([](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, IfcParse::impl::in_memory_file_storage>) {
if (!TokenFunc::isOperator(m.tokens->Next(), '(')) {
throw IfcException(std::string("Expected ("));
}
} else {
// std::unreachable();
}
}, file_->storage_);
}
void IfcSpfHeader::readTerminal(const std::string& term, Trail trail) {
if (TokenFunc::asStringRef(file_->tokens->Next()) != term) {
throw IfcException(std::string("Expected " + term));
}
if (trail == TRAILING_SEMICOLON) {
readSemicolon();
} else if (trail == TRAILING_PAREN) {
readParen();
}
std::visit([this, term, trail](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, IfcParse::impl::in_memory_file_storage>) {
if (TokenFunc::asStringRef(m.tokens->Next()) != term) {
throw IfcException(std::string("Expected " + term));
}
if (trail == TRAILING_SEMICOLON) {
readSemicolon();
} else if (trail == TRAILING_PAREN) {
readParen();
}
} else {
// std::unreachable();
}
}, file_->storage_);
}
void IfcSpfHeader::read() {