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Copy pathIfcSpfHeader.cpp
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Copy pathIfcSpfHeader.cpp
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318 lines (282 loc) · 13.6 KB
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/********************************************************************************
* *
* This file is part of IfcOpenShell. *
* *
* IfcOpenShell is free software: you can redistribute it and/or modify *
* it under the terms of the Lesser GNU General Public License as published by *
* the Free Software Foundation, either version 3.0 of the License, or *
* (at your option) any later version. *
* *
* IfcOpenShell is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* Lesser GNU General Public License for more details. *
* *
* You should have received a copy of the Lesser GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
********************************************************************************/
#include "IfcSpfHeader.h"
#include "IfcFile.h"
#include "IfcLogger.h"
static const char* const ISO_10303_21 = "ISO-10303-21";
static const char* const HEADER = "HEADER";
static const char* const ENDSEC = "ENDSEC";
static const char* const DATA = "DATA";
using namespace IfcParse;
namespace {
IfcEntityInstanceData read_from_spf_file(IfcParse::impl::in_memory_file_storage* storage, const IfcParse::entity* decl, Logger& logger) {
if (storage != nullptr) {
parse_context pc;
storage->tokens->Next();
storage->load(-1, nullptr, pc, -1);
return pc.construct(boost::none, *storage->references_to_resolve, decl, decl->as_entity()->attribute_count(), -1, logger);
} else {
// std::unreachable();
return IfcEntityInstanceData(in_memory_attribute_storage(10));
}
}
} // namespace
void IfcSpfHeader::readSemicolon() {
if (storage_ != nullptr) {
if (!TokenFunc::isOperator(storage_->tokens->Next(), ';')) {
throw IfcException(std::string("Expected ;"));
}
} else {
// std::unreachable();
}
}
void IfcSpfHeader::readTerminal(const std::string& term, Trail trail) {
if (storage_ != nullptr) {
if (TokenFunc::asStringRef(storage_->tokens->Next()) != term) {
throw IfcException(std::string("Expected " + term));
}
if (trail == TRAILING_SEMICOLON) {
readSemicolon();
}
} else {
// std::unreachable();
}
}
IfcParse::IfcSpfHeader::IfcSpfHeader(IfcParse::IfcFile* file, Logger& logger)
: file_(file),
logger_(logger),
file_description_(nullptr),
file_name_(nullptr),
file_schema_(nullptr)
{
Header_section_schema::get_schema();
if (file != nullptr) {
logger_ = file->logger();
}
if (file == nullptr) {
// overwritten later in IfcFile::setDefaultHeaderValues() when we know the schema identifier
file_description_ = new Header_section_schema::file_description({}, "");
file_description_->file_ = file_;
file_name_ = new Header_section_schema::file_name("", "", {}, {}, "", "", "");
file_name_->file_ = file_;
file_schema_ = new Header_section_schema::file_schema({});
file_schema_->file_ = file_;
} else {
storage_ = std::visit([this](auto& m) -> decltype(storage_) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
return &m;
}
return nullptr;
}, file_->storage_);
// IfcFile constructs _header before it emplaces the selected storage backend.
// Keep header entities lazy so the accessors below allocate against the final storage.
}
}
IfcParse::IfcSpfHeader::IfcSpfHeader(IfcParse::IfcSpfLexer* lexer, Logger& logger)
: logger_(logger)
{
Header_section_schema::get_schema();
storage_ = new impl::in_memory_file_storage(nullptr, logger_.get());
storage_->tokens = lexer;
file_ = nullptr;
// overwritten later in IfcFile::setDefaultHeaderValues() when we know the schema identifier
file_description_ = new Header_section_schema::file_description({}, "");
file_description_->file_ = file_;
file_name_ = new Header_section_schema::file_name("", "", {}, {}, "", "", "");
file_name_->file_ = file_;
file_schema_ = new Header_section_schema::file_schema({});
file_schema_->file_ = file_;
}
IfcParse::IfcSpfHeader::~IfcSpfHeader() {
delete file_schema_;
delete file_name_;
delete file_description_;
}
void IfcParse::IfcSpfHeader::file(IfcParse::IfcFile* file)
{
this->file_ = file;
if (file != nullptr) {
logger_ = file->logger();
storage_ = std::visit([this](auto& m) -> decltype(storage_) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
return &m;
}
return nullptr;
}, file_->storage_);
}
}
void IfcSpfHeader::read() {
readTerminal(ISO_10303_21, TRAILING_SEMICOLON);
readTerminal(HEADER, TRAILING_SEMICOLON);
// | The header section of every exchange structure shall contain one
// | instance of each of the following entities: file_description, file_name,
// | and file_schema, and they shall appear in that order. Instances of
// | file_population, section_language and section_context may appear after
// | file_schema. If instances of user-defined header section entities are
// | present, they shall appear after the header section entity instances
// | defined in this section.
//
// ISO 10303-21 Second edition 2002-01-15 p. 16
readTerminal(Header_section_schema::file_description::Class().name_uc(), NONE);
delete file_description_;
file_description_ = new Header_section_schema::file_description(read_from_spf_file(storage_, &Header_section_schema::file_description::Class(), logger_.get()));
file_description_->file_ = file_;
readSemicolon();
readTerminal(Header_section_schema::file_name::Class().name_uc(), NONE);
delete file_name_;
file_name_ = new Header_section_schema::file_name(read_from_spf_file(storage_, &Header_section_schema::file_name::Class(), logger_.get()));
file_name_->file_ = file_;
readSemicolon();
readTerminal(Header_section_schema::file_schema::Class().name_uc(), NONE);
delete file_schema_;
file_schema_ = new Header_section_schema::file_schema(read_from_spf_file(storage_, &Header_section_schema::file_schema::Class(), logger_.get()));
file_schema_->file_ = file_;
readSemicolon();
}
bool IfcSpfHeader::tryRead() {
try {
read();
return true;
} catch (const std::exception& e) {
logger_.get().Error("SYN", 28, e);
return false;
}
}
void IfcParse::IfcSpfHeader::assign(const IfcSpfHeader& other) {
if (this != &other) {
auto copy_inst = [](IfcUtil::IfcBaseEntity* new_entity, IfcUtil::IfcBaseEntity* entity, const IfcParse::entity* decl, IfcParse::impl::in_memory_file_storage* own_storage, IfcParse::impl::in_memory_file_storage* other_storage) {
if (!new_entity || !entity) {
return;
}
for (size_t i = 0; i < decl->attribute_count(); ++i) {
entity->data().apply_visitor(other_storage, decl, entity->identity(), [i, decl, new_entity, own_storage](const auto& v) {
using U = std::decay_t<decltype(v)>;
if constexpr (std::is_same_v<U, IfcUtil::IfcBaseClass*>) {
} else if constexpr (std::is_same_v<U, aggregate_of_instance::ptr>) {
} else if constexpr (std::is_same_v<U, aggregate_of_aggregate_of_instance::ptr>) {
} else if constexpr (std::is_same_v<U, empty_aggregate_t>) {
} else if constexpr (std::is_same_v<U, empty_aggregate_of_aggregate_t>) {
} else {
new_entity->set_attribute_value(i, v);
}
}, i);
}
};
copy_inst(file_description_, other.file_description_, &Header_section_schema::file_description::Class(), storage_, other.storage_);
copy_inst(file_name_, other.file_name_, &Header_section_schema::file_name::Class(), storage_, other.storage_);
copy_inst(file_schema_, other.file_schema_, &Header_section_schema::file_schema::Class(), storage_, other.storage_);
}
}
void IfcSpfHeader::write(std::ostream& out) const {
out << ISO_10303_21 << ";"
<< "\n";
out << HEADER << ";"
<< "\n";
file_description()->toString(out, true);
out << ";"
<< "\n";
file_name()->toString(out, true);
out << ";"
<< "\n";
file_schema()->toString(out, true);
out << ";"
<< "\n";
out << ENDSEC << ";"
<< "\n";
out << DATA << ";"
<< "\n";
}
const Header_section_schema::file_description* IfcParse::IfcSpfHeader::file_description() const {
if (file_description_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_description_ = new Header_section_schema::file_description(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_description_ = new Header_section_schema::file_description(in_memory_attribute_storage(Header_section_schema::file_description::Class().attribute_count()));
}
}, file_->storage_);
file_description_->file_ = file_;
}
return file_description_;
}
const Header_section_schema::file_name* IfcParse::IfcSpfHeader::file_name() const {
if (file_name_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_name_ = new Header_section_schema::file_name(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_name_ = new Header_section_schema::file_name(in_memory_attribute_storage(Header_section_schema::file_name::Class().attribute_count()));
}
}, file_->storage_);
file_name_->file_ = file_;
}
return file_name_;
}
const Header_section_schema::file_schema* IfcParse::IfcSpfHeader::file_schema() const {
if (file_schema_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_schema_ = new Header_section_schema::file_schema(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_schema_ = new Header_section_schema::file_schema(in_memory_attribute_storage(Header_section_schema::file_schema::Class().attribute_count()));
}
}, file_->storage_);
file_schema_->file_ = file_;
}
return file_schema_;
}
Header_section_schema::file_description* IfcParse::IfcSpfHeader::file_description() {
if (file_description_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_description_ = new Header_section_schema::file_description(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_description_ = new Header_section_schema::file_description(in_memory_attribute_storage(Header_section_schema::file_description::Class().attribute_count()));
}
}, file_->storage_);
file_description_->file_ = file_;
}
return file_description_;
}
Header_section_schema::file_name* IfcParse::IfcSpfHeader::file_name() {
if (file_name_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_name_ = new Header_section_schema::file_name(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_name_ = new Header_section_schema::file_name(in_memory_attribute_storage(Header_section_schema::file_name::Class().attribute_count()));
}
}, file_->storage_);
file_name_->file_ = file_;
}
return file_name_;
}
Header_section_schema::file_schema* IfcParse::IfcSpfHeader::file_schema() {
if (file_schema_ == nullptr) {
std::visit([this](auto& m) {
if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::rocks_db_file_storage>) {
file_schema_ = new Header_section_schema::file_schema(rocks_db_attribute_storage{});
} else if constexpr (std::is_same_v<std::decay_t<decltype(m)>, impl::in_memory_file_storage>) {
file_schema_ = new Header_section_schema::file_schema(in_memory_attribute_storage(Header_section_schema::file_schema::Class().attribute_count()));
}
}, file_->storage_);
file_schema_->file_ = file_;
}
return file_schema_;
}
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