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IfcOpenShell/src/ifcparse/IfcParse.cpp
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Thomas Krijnen 638b2c59ea Catch string encoding errors and set status #5992
2025-01-23 16:20:06 +01:00

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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 "IfcParse.h"
#include "IfcBaseClass.h"
#include "IfcCharacterDecoder.h"
#include "IfcException.h"
#include "IfcFile.h"
#include "IfcLogger.h"
#include "IfcSchema.h"
#include "IfcSIPrefix.h"
#include "IfcSpfStream.h"
#include "utils.h"
#include <algorithm>
#include <boost/algorithm/string.hpp>
#include <boost/circular_buffer.hpp>
#include <boost/variant.hpp>
#include <boost/math/special_functions/fpclassify.hpp>
#include <ctime>
#include <set>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iomanip>
#ifdef USE_MMAP
#include <boost/filesystem/path.hpp>
#endif
#define PERMISSIVE_FLOAT
using namespace IfcParse;
// A static locale for the real number parser. strtod() is locale-dependent, causing issues
// in locales that have ',' as a decimal separator. Therefore the non standard _strtod_l() /
// strtod_l() is used and a reference to the "C" locale is obtained here. The alternative is
// to use std::istringstream::imbue(std::locale::classic()), but there are subtleties in
// parsing in MSVC2010 and it appears to be much slower.
#if defined(_MSC_VER)
static _locale_t locale = (_locale_t)0;
void init_locale() {
if (locale == (_locale_t)0) {
locale = _create_locale(LC_NUMERIC, "C");
}
}
#else
#if defined(__MINGW64__) || defined(__MINGW32__)
#include <locale>
#include <sstream>
typedef void* locale_t;
static locale_t locale = (locale_t)0;
void init_locale() {}
double strtod_l(const char* start, char** end, locale_t loc) {
double d;
std::stringstream ss;
ss.imbue(std::locale::classic());
ss << start;
ss >> d;
size_t nread = ss.tellg();
*end = const_cast<char*>(start) + nread;
return d;
}
#else
#ifdef __APPLE__
#include <xlocale.h>
#endif
#include <locale.h>
static locale_t locale = (locale_t)0;
void init_locale() {
if (locale == (locale_t)0) {
locale = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0);
}
}
#endif
#endif
//
// Opens the file and gets the filesize
//
#ifdef USE_MMAP
IfcSpfStream::IfcSpfStream(const std::string& path, bool mmap)
#else
IfcSpfStream::IfcSpfStream(const std::string& path)
#endif
: stream_(0),
buffer_(0),
valid(false),
eof(false) {
#ifdef _MSC_VER
std::wstring fn_ws = IfcUtil::path::from_utf8(path);
const wchar_t* fn_wide = fn_ws.c_str();
#ifdef USE_MMAP
if (mmap) {
mfs = boost::iostreams::mapped_file_source(boost::filesystem::wpath(fn_wide));
} else {
#endif
stream_ = _wfopen(fn_wide, L"rb");
#ifdef USE_MMAP
}
#endif
#else
#ifdef USE_MMAP
if (mmap) {
mfs = boost::iostreams::mapped_file_source(path);
} else {
#endif
stream_ = fopen(path.c_str(), "rb");
#ifdef USE_MMAP
}
#endif
#endif
#ifdef USE_MMAP
if (mmap) {
if (!mfs.is_open()) {
return;
}
valid = true;
buffer_ = mfs.data();
ptr_ = 0;
len_ = mfs.size();
} else {
#endif
if (stream_ == NULL) {
return;
}
valid = true;
fseek(stream_, 0, SEEK_END);
size = (unsigned int)ftell(stream_);
rewind(stream_);
char* buffer_rw = new char[size];
len_ = (unsigned int)fread(buffer_rw, 1, size, stream_);
buffer_ = buffer_rw;
eof = len_ == 0;
ptr_ = 0;
fclose(stream_);
stream_ = nullptr;
#ifdef USE_MMAP
}
#endif
}
IfcSpfStream::IfcSpfStream(std::istream& stream, int length)
: stream_(0),
buffer_(0) {
eof = false;
size = length;
char* buffer_rw = new char[size];
stream.read(buffer_rw, size);
buffer_ = buffer_rw;
valid = stream.gcount() == size;
ptr_ = 0;
len_ = length;
}
IfcSpfStream::IfcSpfStream(void* data, int length)
: stream_(0),
buffer_(0) {
eof = false;
size = length;
buffer_ = (char*)data;
valid = true;
ptr_ = 0;
len_ = length;
}
IfcSpfStream::~IfcSpfStream() {
Close();
}
void IfcSpfStream::Close() {
#ifdef USE_MMAP
if (mfs.is_open()) {
mfs.close();
return;
}
#endif
delete[] buffer_;
if (stream_ != nullptr) {
fclose(stream_);
}
}
//
// Seeks an arbitrary position in the file
//
void IfcSpfStream::Seek(unsigned int offset) {
ptr_ = offset;
if (ptr_ >= len_) {
throw IfcException("Reading outside of file limits");
}
eof = false;
}
//
// Returns the character at the cursor
//
char IfcSpfStream::Peek() {
return buffer_[ptr_];
}
//
// Returns the character at specified offset
//
char IfcSpfStream::Read(unsigned int offset) {
return buffer_[offset];
}
//
// Returns the cursor position
//
unsigned int IfcSpfStream::Tell() const {
return ptr_;
}
//
// Increments cursor and reads new chunk if necessary
//
void IfcSpfStream::Inc() {
if (++ptr_ == len_) {
eof = true;
return;
}
const char current = IfcSpfStream::Peek();
if (current == '\n' || current == '\r') {
// NB this is recursive. It might as well be a loop.
IfcSpfStream::Inc();
}
}
IfcSpfLexer::IfcSpfLexer(IfcParse::IfcSpfStream* stream_, IfcParse::IfcFile* file_) {
file = file_;
stream = stream_;
decoder_ = new IfcCharacterDecoder(stream_);
}
IfcSpfLexer::~IfcSpfLexer() {
delete decoder_;
}
unsigned int IfcSpfLexer::skipWhitespace() const {
unsigned int index = 0;
while (!stream->eof) {
char character = stream->Peek();
if ((character == ' ' || character == '\r' || character == '\n' || character == '\t')) {
stream->Inc();
++index;
} else {
break;
}
}
return index;
}
unsigned int IfcSpfLexer::skipComment() const {
char character = stream->Peek();
if (character != '/') {
return 0;
}
stream->Inc();
character = stream->Peek();
if (character != '*') {
stream->Seek(stream->Tell() - 1);
return 0;
}
unsigned int index = 2;
char intermediate = 0;
while (!stream->eof) {
character = stream->Peek();
stream->Inc();
++index;
if (character == '/' && intermediate == '*') {
break;
}
intermediate = character;
}
return index;
}
//
// Returns the offset of the current Token and moves cursor to next
//
Token IfcSpfLexer::Next() {
if (stream->eof) {
return NoneTokenPtr();
}
while ((skipWhitespace() != 0U) || (skipComment() != 0U)) {
}
if (stream->eof) {
return NoneTokenPtr();
}
unsigned int pos = stream->Tell();
char character = stream->Peek();
// If the cursor is at [()=,;$*] we know token consists of single char
if (character == '(' ||
character == ')' ||
character == '=' ||
character == ',' ||
character == ';' ||
character == '$' ||
character == '*') {
stream->Inc();
return OperatorTokenPtr(this, pos, pos + 1);
}
int len = 0;
while (!stream->eof) {
// Read character and increment pointer if not starting a new token
character = stream->Peek();
if ((len != 0) && (character == '(' ||
character == ')' ||
character == '=' ||
character == ',' ||
character == ';' ||
character == '/')) {
break;
}
stream->Inc();
len++;
// If a string is encountered defer processing to the IfcCharacterDecoder
if (character == '\'') {
decoder_->skip();
}
}
Token t;
if (len != 0) {
t = GeneralTokenPtr(this, pos, stream->Tell());
} else {
t = NoneTokenPtr();
}
// std::wcout << "token: " << pos << " " << TokenFunc::asStringRef(t).c_str() << std::endl;
return t;
}
bool IfcSpfStream::is_eof_at(unsigned int local_ptr) const {
return local_ptr >= len_;
}
void IfcSpfStream::increment_at(unsigned int& local_ptr) {
if (++local_ptr == len_) {
return;
}
const char current = IfcSpfStream::peek_at(local_ptr);
if (current == '\n' || current == '\r') {
IfcSpfStream::increment_at(local_ptr);
}
}
char IfcSpfStream::peek_at(unsigned int local_ptr) {
return buffer_[local_ptr];
}
//
// Reads a std::string from the file at specified offset
// Omits whitespace and comments
//
void IfcSpfLexer::TokenString(unsigned int offset, std::string& buffer) {
buffer.clear();
while (!stream->is_eof_at(offset)) {
char character = stream->peek_at(offset);
if (!buffer.empty() && (character == '(' ||
character == ')' ||
character == '=' ||
character == ',' ||
character == ';' ||
character == '/')) {
break;
}
stream->increment_at(offset);
if (character == ' ' ||
character == '\r' ||
character == '\n' ||
character == '\t') {
continue;
}
if (character == '\'') {
// todo, make decoder use local offset ptr
buffer = decoder_->get(offset);
break;
}
buffer.push_back(character);
}
}
//Note: according to STEP standard, there may be newlines in tokens
inline void RemoveTokenSeparators(IfcSpfStream* stream, unsigned start, unsigned end, std::string& oDestination) {
oDestination.clear();
for (unsigned i = start; i < end; i++) {
char character = stream->Read(i);
if (character == ' ' ||
character == '\r' ||
character == '\n' ||
character == '\t') {
continue;
}
oDestination += character;
}
}
bool ParseInt(const char* pStart, int& val) {
char* pEnd;
long result = strtol(pStart, &pEnd, 10);
if (*pEnd != 0) {
return false;
}
val = (int)result;
return true;
}
bool ParseFloat(const char* pStart, double& val) {
char* pEnd;
#ifdef _MSC_VER
double result = _strtod_l(pStart, &pEnd, locale);
#else
double result = strtod_l(pStart, &pEnd, locale);
#endif
if (*pEnd != 0) {
return false;
}
val = result;
return true;
}
bool ParseBool(const char* pStart, int& val) {
if (strlen(pStart) != 3 || pStart[0] != '.' || pStart[2] != '.') {
return false;
}
char mid = pStart[1];
if (mid == 'T') {
val = 1;
} else if (mid == 'F') {
val = 0;
} else if (mid == 'U') {
val = 2;
} else {
return false;
}
return true;
}
Token IfcParse::OperatorTokenPtr(IfcSpfLexer* lexer, unsigned start, unsigned end) {
char first = lexer->stream->Read(start);
Token token(lexer, start, end, Token_OPERATOR);
token.value_char = first;
return token;
}
Token IfcParse::GeneralTokenPtr(IfcSpfLexer* lexer, unsigned start, unsigned end) {
Token token(lexer, start, end, Token_NONE);
//extract token into temp buffer (remove eol-s, no encoding changes)
std::string& tokenStr = lexer->GetTempString();
RemoveTokenSeparators(lexer->stream, start, end, tokenStr);
//determine type of the token
char first = lexer->stream->Read(start);
if (first == '#') {
token.type = Token_IDENTIFIER;
if (!ParseInt(tokenStr.c_str() + 1, token.value_int)) {
Logger::Message(Logger::LOG_ERROR, "Token '" + tokenStr + "' at offset " + std::to_string(token.startPos) + " is not valid");
token.type = Token_OPERATOR;
token.value_char = '$';
}
} else if (first == '\'') {
token.type = Token_STRING;
} else if (first == '.') {
token.type = Token_ENUMERATION;
if (ParseBool(tokenStr.c_str(), token.value_int)) { //bool is also enumeration
token.type = Token_BOOL;
}
} else if (first == '"') {
token.type = Token_BINARY;
} else if (ParseInt(tokenStr.c_str(), token.value_int)) {
token.type = Token_INT;
} else if (ParseFloat(tokenStr.c_str(), token.value_double)) {
token.type = Token_FLOAT;
} else {
token.type = Token_KEYWORD;
}
return token;
}
Token IfcParse::NoneTokenPtr() { return Token(); }
bool TokenFunc::isOperator(const Token& token) {
return token.type == Token_OPERATOR;
}
bool TokenFunc::isOperator(const Token& token, char character) {
return token.type == Token_OPERATOR && token.value_char == character;
}
bool TokenFunc::isIdentifier(const Token& token) {
return token.type == Token_IDENTIFIER;
}
bool TokenFunc::isString(const Token& token) {
return token.type == Token_STRING;
}
bool TokenFunc::isEnumeration(const Token& token) {
return token.type == Token_ENUMERATION || token.type == Token_BOOL;
}
bool TokenFunc::isBinary(const Token& token) {
return token.type == Token_BINARY;
}
bool TokenFunc::isKeyword(const Token& token) {
return token.type == Token_KEYWORD;
}
bool TokenFunc::isInt(const Token& token) {
return token.type == Token_INT;
}
bool TokenFunc::isBool(const Token& token) {
// Bool and logical share the same storage type, just logical unknown is stored as 2.
return token.type == Token_BOOL && token.value_int != 2;
}
bool TokenFunc::isLogical(const Token& token) {
return token.type == Token_BOOL;
}
bool TokenFunc::isFloat(const Token& token) {
#ifdef PERMISSIVE_FLOAT
/// NB: We are being more permissive here then allowed by the standard
return token.type == Token_FLOAT || token.type == Token_INT;
#else
return token.type == Token_FLOAT;
#endif
}
int TokenFunc::asInt(const Token& token) {
if (token.type != Token_INT) {
throw IfcInvalidTokenException(token.startPos, toString(token), "integer");
}
return token.value_int;
}
int TokenFunc::asIdentifier(const Token& token) {
if (token.type != Token_IDENTIFIER) {
throw IfcInvalidTokenException(token.startPos, toString(token), "instance name");
}
return token.value_int;
}
bool TokenFunc::asBool(const Token& token) {
if (token.type != Token_BOOL) {
throw IfcInvalidTokenException(token.startPos, toString(token), "boolean");
}
return token.value_int == 1;
}
boost::logic::tribool TokenFunc::asLogical(const Token& token) {
if (token.type != Token_BOOL) {
throw IfcInvalidTokenException(token.startPos, toString(token), "boolean");
}
if (token.value_int == 0) {
return false;
}
if (token.value_int == 1) {
return true;
}
return boost::logic::indeterminate;
}
double TokenFunc::asFloat(const Token& token) {
#ifdef PERMISSIVE_FLOAT
if (token.type == Token_INT) {
/// NB: We are being more permissive here then allowed by the standard
return token.value_int;
} // ----> continues beyond preprocessor directive
#endif
if (token.type == Token_FLOAT) {
return token.value_double;
}
throw IfcInvalidTokenException(token.startPos, toString(token), "real");
}
const std::string& TokenFunc::asStringRef(const Token& token) {
if (token.type == Token_NONE) {
throw IfcParse::IfcException("Null token encountered, premature end of file?");
}
std::string& str = token.lexer->GetTempString();
token.lexer->TokenString(token.startPos, str);
if ((isString(token) || isEnumeration(token) || isBinary(token)) && !str.empty()) {
//remove start+end characters in-place
str.erase(str.end() - 1);
str.erase(str.begin());
}
return str;
}
std::string TokenFunc::asString(const Token& token) {
if (isString(token) || isEnumeration(token) || isBinary(token)) {
return asStringRef(token);
}
throw IfcInvalidTokenException(token.startPos, toString(token), "string");
}
boost::dynamic_bitset<> TokenFunc::asBinary(const Token& token) {
const std::string& str = asStringRef(token);
if (str.empty()) {
throw IfcException("Token is not a valid binary sequence");
}
std::string::const_iterator it = str.begin();
int n = *it - '0';
if ((n < 0 || n > 3) || (str.size() == 1 && n != 0)) {
throw IfcException("Token is not a valid binary sequence");
}
++it;
unsigned i = ((unsigned)str.size() - 1) * 4 - n;
boost::dynamic_bitset<> bitset(i);
for (; it != str.end(); ++it) {
const std::string::value_type& c = *it;
int value = (c < 'A') ? (c - '0') : (c - 'A' + 10);
for (unsigned j = 0; j < 4; ++j) {
if (i-- == 0) {
break;
}
if ((value & (1 << (3 - j))) != 0) {
bitset.set(i);
}
}
}
return bitset;
}
std::string TokenFunc::toString(const Token& token) {
std::string result;
token.lexer->TokenString(token.startPos, result);
return result;
}
//
// Reads the arguments from a list of token
// Aditionally, registers the ids (i.e. #[\d]+) in the inverse map
//
void IfcParse::IfcFile::load(unsigned entity_instance_name, const IfcParse::entity* entity, parse_context& context, int attribute_index) {
Token next = tokens->Next();
/*
if (TokenFunc::isOperator(next, '(')) {
next = tokens->Next();
}
*/
size_t attribute_index_within_data = 0;
size_t return_value = 0;
while ((next.startPos != 0U) || (next.lexer != nullptr)) {
if (TokenFunc::isOperator(next, ',')) {
if (attribute_index == -1) {
attribute_index_within_data += 1;
}
} else if (TokenFunc::isOperator(next, ')')) {
break;
} else if (TokenFunc::isOperator(next, '(')) {
return_value++;
load(entity_instance_name, entity, context.push(), attribute_index == -1 ? (int) attribute_index_within_data : attribute_index);
} else {
return_value++;
if (TokenFunc::isIdentifier(next) && entity) {
register_inverse(entity_instance_name, entity, next, attribute_index == -1 ? attribute_index_within_data : attribute_index);
}
if (TokenFunc::isKeyword(next)) {
try {
const auto* decl = schema_->declaration_by_name(TokenFunc::asStringRef(next));
parse_context ps;
tokens->Next();
load(0, nullptr, ps, -1);
auto* simple_type_instance = schema_->instantiate(decl, ps.construct(-1, references_to_resolve, decl, boost::none));
//@todo decide addEntity(((IfcUtil::IfcBaseClass*)*entity));
context.push(simple_type_instance);
simple_type_instance->file_ = this;
} catch (IfcException& e) {
Logger::Message(Logger::LOG_ERROR, e.what());
// #4070 We didn't actually capture an aggregate entry, undo length increment.
return_value--;
}
} else {
context.push(next);
}
}
next = tokens->Next();
}
}
//
// Reads an Entity from the list of Tokens at the specified offset in the file
//
IfcEntityInstanceData IfcParse::read(unsigned int i, IfcFile* f) {
Token datatype = f->tokens->Next();
if (!TokenFunc::isKeyword(datatype)) {
throw IfcException("Unexpected token while parsing entity");
}
const IfcParse::declaration* ty = f->schema()->declaration_by_name(TokenFunc::asStringRef(datatype));
parse_context pc;
f->tokens->Next();
f->load(i, ty->as_entity(), pc, -1);
return IfcEntityInstanceData(pc.construct(i, f->references_to_resolve, ty, boost::none));
}
void IfcParse::IfcFile::try_read_semicolon() const {
unsigned int old_offset = tokens->stream->Tell();
Token semilocon = tokens->Next();
if (!TokenFunc::isOperator(semilocon, ';')) {
tokens->stream->Seek(old_offset);
}
}
void IfcParse::IfcFile::register_inverse(unsigned id_from, const IfcParse::entity* from_entity, Token t, int attribute_index) {
// Assume a check on token type has already been performed
const auto* e = from_entity;
byref_excl_[{t.value_int, e->index_in_schema(), attribute_index}].push_back(id_from);
}
void IfcParse::IfcFile::register_inverse(unsigned id_from, const IfcParse::entity* from_entity, IfcUtil::IfcBaseClass* inst, int attribute_index) {
const auto* e = from_entity;
byref_excl_[{inst->id(), e->index_in_schema(), attribute_index}].push_back(id_from);
}
void IfcParse::IfcFile::unregister_inverse(unsigned id_from, const IfcParse::entity* from_entity, IfcUtil::IfcBaseClass* inst, int attribute_index) {
std::vector<int>& ids = byref_excl_[{inst->id(), from_entity->index_in_schema(), attribute_index}];
std::vector<int>::iterator iter = std::find(ids.begin(), ids.end(), id_from);
if (iter == ids.end()) {
// @todo inverses also need to be populated when multiple instances are added to a new file.
// throw IfcParse::IfcException("Instance not found among inverses");
} else {
ids.erase(iter);
}
}
namespace {
class StringBuilderVisitor : public boost::static_visitor<void> {
private:
StringBuilderVisitor(const StringBuilderVisitor&); //N/A
StringBuilderVisitor& operator=(const StringBuilderVisitor&); //N/A
std::ostream& data_;
template <typename T>
void serialize(const std::vector<T>& i) {
data_ << "(";
for (typename std::vector<T>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
data_ << *it;
}
data_ << ")";
}
// The REAL token definition from the IFC SPF standard does not necessarily match
// the output of the C++ ostream formatting operation.
// REAL = [ SIGN ] DIGIT { DIGIT } "." { DIGIT } [ "E" [ SIGN ] DIGIT { DIGIT } ] .
static std::string format_double(const double& d) {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << std::setprecision(std::numeric_limits<double>::digits10) << d;
const std::string str = oss.str();
oss.str("");
std::string::size_type e = str.find('e');
if (e == std::string::npos) {
e = str.find('E');
}
const std::string mantissa = str.substr(0, e);
oss << mantissa;
if (mantissa.find('.') == std::string::npos) {
oss << ".";
}
if (e != std::string::npos) {
oss << "E";
oss << str.substr(e + 1);
}
return oss.str();
}
static std::string format_binary(const boost::dynamic_bitset<>& b) {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss.put('"');
oss << std::uppercase << std::hex << std::setw(1);
unsigned c = (unsigned)b.size();
unsigned n = (4 - (c % 4)) & 3;
oss << n;
for (unsigned i = 0; i < c + n;) {
unsigned accum = 0;
for (int j = 0; j < 4; ++j, ++i) {
unsigned bit = i < n ? 0 : b.test(c - i + n - 1) ? 1
: 0;
accum |= bit << (3 - j);
}
oss << accum;
}
oss.put('"');
return oss.str();
}
bool upper_;
public:
StringBuilderVisitor(std::ostream& stream, bool upper = false)
: data_(stream),
upper_(upper) {}
void operator()(const Blank& /*i*/) { data_ << "$"; }
void operator()(const Derived& /*i*/) { data_ << "*"; }
void operator()(const int& i) { data_ << i; }
void operator()(const bool& i) { data_ << (i ? ".T." : ".F."); }
void operator()(const boost::logic::tribool& i) { data_ << (i ? ".T." : (boost::logic::indeterminate(i) ? ".U." : ".F.")); }
void operator()(const double& i) { data_ << format_double(i); }
void operator()(const boost::dynamic_bitset<>& i) { data_ << format_binary(i); }
void operator()(const std::string& i) {
std::string s = i;
if (upper_) {
data_ << static_cast<std::string>(IfcCharacterEncoder(s));
} else {
data_ << '\'' << s << '\'';
}
}
void operator()(const std::vector<int>& i);
void operator()(const std::vector<double>& i);
void operator()(const std::vector<std::string>& i);
void operator()(const std::vector<boost::dynamic_bitset<>>& i);
void operator()(const EnumerationReference& i) {
data_ << "." << i.value() << ".";
}
void operator()(const IfcUtil::IfcBaseClass* const& i) {
if (i->declaration().as_entity() == nullptr) {
i->toString(data_, upper_);
} else {
data_ << "#" << i->id();
}
}
void operator()(const aggregate_of_instance::ptr& i) {
data_ << "(";
for (aggregate_of_instance::it it = i->begin(); it != i->end(); ++it) {
if (it != i->begin()) {
data_ << ",";
}
(*this)(*it);
}
data_ << ")";
}
void operator()(const std::vector<std::vector<int>>& i);
void operator()(const std::vector<std::vector<double>>& i);
void operator()(const aggregate_of_aggregate_of_instance::ptr& i) {
data_ << "(";
for (aggregate_of_aggregate_of_instance::outer_it outer_it = i->begin(); outer_it != i->end(); ++outer_it) {
if (outer_it != i->begin()) {
data_ << ",";
}
data_ << "(";
for (aggregate_of_aggregate_of_instance::inner_it inner_it = outer_it->begin(); inner_it != outer_it->end(); ++inner_it) {
if (inner_it != outer_it->begin()) {
data_ << ",";
}
(*this)(*inner_it);
}
data_ << ")";
}
data_ << ")";
}
void operator()(const empty_aggregate_t& /*unused*/) const { data_ << "()"; }
void operator()(const empty_aggregate_of_aggregate_t& /*unused*/) const { data_ << "()"; }
};
template <>
void StringBuilderVisitor::serialize(const std::vector<std::string>& i) {
data_ << "(";
for (std::vector<std::string>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
std::string encoder = IfcCharacterEncoder(*it);
data_ << encoder;
}
data_ << ")";
}
template <>
void StringBuilderVisitor::serialize(const std::vector<double>& i) {
data_ << "(";
for (std::vector<double>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
data_ << format_double(*it);
}
data_ << ")";
}
template <>
void StringBuilderVisitor::serialize(const std::vector<boost::dynamic_bitset<>>& i) {
data_ << "(";
for (std::vector<boost::dynamic_bitset<>>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
data_ << format_binary(*it);
}
data_ << ")";
}
void StringBuilderVisitor::operator()(const std::vector<int>& i) { serialize(i); }
void StringBuilderVisitor::operator()(const std::vector<double>& i) { serialize(i); }
void StringBuilderVisitor::operator()(const std::vector<std::string>& i) { serialize(i); }
void StringBuilderVisitor::operator()(const std::vector<boost::dynamic_bitset<>>& i) { serialize(i); }
void StringBuilderVisitor::operator()(const std::vector<std::vector<int>>& i) {
data_ << "(";
for (std::vector<std::vector<int>>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
serialize(*it);
}
data_ << ")";
}
void StringBuilderVisitor::operator()(const std::vector<std::vector<double>>& i) {
data_ << "(";
for (std::vector<std::vector<double>>::const_iterator it = i.begin(); it != i.end(); ++it) {
if (it != i.begin()) {
data_ << ",";
}
serialize(*it);
}
data_ << ")";
}
}
//
// Returns a string representation of the entity
// Note that this initializes the entity if it is not initialized
//
void IfcEntityInstanceData::toString(std::ostream& ss, bool upper, const entity* decl) const {
ss.imbue(std::locale::classic());
ss << "(";
StringBuilderVisitor vis(ss, upper);
for (size_t i = 0; i < size(); ++i) {
if (i != 0) {
ss << ",";
}
if (storage_.has<Blank>(i)) {
if (decl != nullptr && decl->derived()[i]) {
ss << "*";
} else {
ss << "$";
}
} else {
storage_.apply_visitor(vis, i);
}
}
ss << ")";
}
unsigned IfcUtil::IfcBaseEntity::set_id(const boost::optional<unsigned>& i) {
if (i) {
return id_ = *i;
}
return id_ = file_->FreshId();
}
namespace {
// @todo remove redundancy with python wrapper code (which is not identical due to
// different handling of enumerations)
IfcUtil::ArgumentType get_argument_type(const IfcParse::declaration* decl, size_t i) {
const IfcParse::parameter_type* pt = 0;
if (decl->as_entity() != nullptr) {
pt = decl->as_entity()->attribute_by_index(i)->type_of_attribute();
if (decl->as_entity()->derived()[i]) {
return IfcUtil::Argument_DERIVED;
}
} else if ((decl->as_type_declaration() != nullptr) && i == 0) {
pt = decl->as_type_declaration()->declared_type();
} else if ((decl->as_enumeration_type() != nullptr) && i == 0) {
return IfcUtil::Argument_ENUMERATION;
}
if (pt == 0) {
return IfcUtil::Argument_UNKNOWN;
}
return IfcUtil::from_parameter_type(pt);
}
} // namespace
class unregister_inverse_visitor {
private:
IfcFile& file_;
const IfcUtil::IfcBaseClass* data_;
public:
unregister_inverse_visitor(IfcFile& file, const IfcUtil::IfcBaseClass* data)
: file_(file),
data_(data) {}
void operator()(IfcUtil::IfcBaseClass* inst, int index) {
file_.unregister_inverse(data_->id(), data_->declaration().as_entity(), inst, index);
}
};
class register_inverse_visitor {
private:
IfcFile& file_;
const IfcUtil::IfcBaseClass* data_;
public:
register_inverse_visitor(IfcFile& file, const IfcUtil::IfcBaseClass* data)
: file_(file),
data_(data) {}
void operator()(IfcUtil::IfcBaseClass* inst, int index) {
file_.register_inverse(data_->id(), data_->declaration().as_entity(), inst, index);
}
};
class add_to_instance_list_visitor {
private:
aggregate_of_instance::ptr& list_;
public:
add_to_instance_list_visitor(aggregate_of_instance::ptr& list)
: list_(list) {}
void operator()(IfcUtil::IfcBaseClass* inst) {
list_->push(inst);
}
};
class apply_individual_instance_visitor {
private:
boost::optional<AttributeValue> attribute_;
IfcEntityInstanceData* data_;
int attribute_index_;
template <typename T>
void apply_attribute_(T& t, const AttributeValue& attr, int index) const {
if (attr.type() == IfcUtil::Argument_ENTITY_INSTANCE) {
IfcUtil::IfcBaseClass* inst = attr;
t(inst, index);
} else if (attr.type() == IfcUtil::Argument_AGGREGATE_OF_ENTITY_INSTANCE) {
aggregate_of_instance::ptr entity_list_attribute = attr;
for (aggregate_of_instance::it it = entity_list_attribute->begin(); it != entity_list_attribute->end(); ++it) {
t(*it, index);
}
} else if (attr.type() == IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_ENTITY_INSTANCE) {
aggregate_of_aggregate_of_instance::ptr entity_list_attribute = attr;
for (aggregate_of_aggregate_of_instance::outer_it it = entity_list_attribute->begin(); it != entity_list_attribute->end(); ++it) {
for (aggregate_of_aggregate_of_instance::inner_it jt = it->begin(); jt != it->end(); ++jt) {
t(*jt, index);
}
}
}
};
public:
apply_individual_instance_visitor(const AttributeValue& attribute, int idx)
: attribute_(attribute)
, attribute_index_(idx)
{}
apply_individual_instance_visitor(IfcEntityInstanceData* data)
: data_(data)
{}
template <typename T>
void apply(T& t) const {
if (attribute_) {
apply_attribute_(t, *attribute_, attribute_index_);
} else {
for (size_t i = 0; i < data_->size(); ++i) {
auto attr = data_->get_attribute_value(i);
apply_attribute_(t, attr, (int) i);
}
}
};
};
template <typename T>
void IfcUtil::IfcBaseClass::set_attribute_value(size_t i, const T& t) {
auto current_attribute = data_.get_attribute_value(i);
if (file_ != nullptr) {
// Deregister old attribute guid in file guid map.
if (i == 0 && (file_->ifcroot_type() != nullptr) && this->declaration().is(*file_->ifcroot_type())) {
try {
auto guid = (std::string) current_attribute;
auto it = file_->internal_guid_map().find(guid);
if (it != file_->internal_guid_map().end() && it->second == this) {
file_->internal_guid_map().erase(it);
}
} catch (IfcParse::IfcException& e) {
Logger::Error(e);
}
}
// Deregister inverse indices in file
unregister_inverse_visitor visitor(*file_, this);
apply_individual_instance_visitor(current_attribute, (int) i).apply(visitor);
}
if constexpr (std::is_pointer_v<T>) {
if (t) {
data_.storage_.set(i, t);
} else {
data_.storage_.set(i, Blank{});
}
} else {
data_.storage_.set(i, t);
}
auto new_attribute = data_.get_attribute_value(i);
if (file_ != nullptr) {
// Register inverse indices in file
register_inverse_visitor visitor(*file_, this);
apply_individual_instance_visitor(new_attribute, (int) i).apply(visitor);
// Register new attribute guid in guid map
if (i == 0 && (file_->ifcroot_type() != nullptr) && this->declaration().is(*file_->ifcroot_type())) {
try {
auto guid = (std::string) new_attribute;
auto it = file_->internal_guid_map().find(guid);
if (it != file_->internal_guid_map().end()) {
Logger::Warning("Duplicate guid " + guid);
}
file_->internal_guid_map()[guid] = file_->instance_by_id(this->id());
} catch (IfcParse::IfcException& e) {
Logger::Error(e);
}
}
}
}
template <typename T>
void IfcUtil::IfcBaseClass::set_attribute_value(const std::string& s, const T& t) {
set_attribute_value(declaration().as_entity()->attribute_index(s), t);
}
//
// Parses the IFC file in fn
// Creates the maps
//
#ifdef USE_MMAP
IfcFile::IfcFile(const std::string& fn, bool mmap) {
initialize_(new IfcSpfStream(fn, mmap));
}
#else
IfcFile::IfcFile(const std::string& path) {
IfcSpfStream s(path);
initialize_(&s);
}
#endif
IfcFile::IfcFile(std::istream& stream, int length) {
IfcSpfStream s(stream, length);
initialize_(&s);
}
IfcFile::IfcFile(void* data, int length) {
IfcSpfStream s(data, length);
initialize_(&s);
}
IfcFile::IfcFile(IfcParse::IfcSpfStream* s) {
initialize_(s);
}
IfcFile::IfcFile(const IfcParse::schema_definition* schema)
: schema_(schema),
ifcroot_type_(schema_->declaration_by_name("IfcRoot")),
MaxId(0),
tokens(0),
stream(0) {
setDefaultHeaderValues();
}
void IfcFile::initialize_(IfcParse::IfcSpfStream* s) {
// Initialize a "C" locale for locale-independent
// number parsing. See comment above on line 41.
init_locale();
MaxId = 0;
tokens = 0;
stream = 0;
schema_ = 0;
// setDefaultHeaderValues();
stream = s;
if (!stream->valid) {
good_ = file_open_status::READ_ERROR;
return;
}
tokens = new IfcSpfLexer(stream, this);
std::vector<std::string> schemas;
_header.file(this);
if (_header.tryRead()) {
try {
schemas = _header.file_schema().schema_identifiers();
} catch (...) {
// Purposely empty catch block
}
} else {
good_ = file_open_status::NO_HEADER;
}
if (schemas.size() == 1) {
try {
schema_ = IfcParse::schema_by_name(schemas.front());
} catch (const IfcParse::IfcException& e) {
good_ = file_open_status::UNSUPPORTED_SCHEMA;
Logger::Error(e);
}
}
if (schema_ == 0) {
Logger::Message(Logger::LOG_ERROR, "No support for file schema encountered (" + boost::algorithm::join(schemas, ", ") + ")");
return;
}
ifcroot_type_ = schema_->declaration_by_name("IfcRoot");
boost::circular_buffer<Token> token_stream(3, Token());
IfcUtil::IfcBaseClass* instance = nullptr;
unsigned current_id = 0;
int progress = 0;
Logger::Status("Scanning file...");
int paren_stack_depth = 0;
int attribute_index = -1;
while (!stream->eof) {
if (token_stream[0].type == IfcParse::Token_IDENTIFIER &&
token_stream[1].type == IfcParse::Token_OPERATOR &&
token_stream[1].value_char == '=' &&
token_stream[2].type == IfcParse::Token_KEYWORD) {
attribute_index = 0;
current_id = (unsigned)TokenFunc::asIdentifier(token_stream[0]);
const IfcParse::declaration* entity_type;
try {
entity_type = schema_->declaration_by_name(TokenFunc::asStringRef(token_stream[2]));
} catch (const IfcException& ex) {
Logger::Message(Logger::LOG_ERROR, std::string(ex.what()) + " at offset " + std::to_string(token_stream[2].startPos));
goto advance;
}
if (entity_type->as_entity() == nullptr) {
Logger::Message(Logger::LOG_ERROR, "Non entity type " + entity_type->name() + " at offset " + std::to_string(token_stream[2].startPos));
goto advance;
}
parse_context ps;
tokens->Next();
try {
load(current_id, entity_type->as_entity(), ps, -1);
} catch (const IfcInvalidTokenException& e) {
good_ = file_open_status::INVALID_SYNTAX;
Logger::Error(e);
break;
}
instance = schema_->instantiate(entity_type, ps.construct(current_id, references_to_resolve, entity_type, boost::none));
instance->file_ = this;
instance->id_ = current_id;
/// @todo Printing to stdout in a library class feels weird. Maybe move the progress prints to the client code?
// Update the status after every 1000 instances parsed
if (((++progress) % 1000) == 0) {
std::stringstream ss;
ss << "\r#" << current_id;
Logger::Status(ss.str(), false);
}
if (instance->declaration().is(*ifcroot_type_)) {
try {
const std::string guid = instance->data().get_attribute_value(0);
if (byguid_.find(guid) != byguid_.end()) {
std::stringstream ss;
ss << "Instance encountered with non-unique GlobalId " << guid;
Logger::Message(Logger::LOG_WARNING, ss.str());
}
byguid_[guid] = instance;
} catch (const IfcException& ex) {
Logger::Message(Logger::LOG_ERROR, ex.what());
}
// this has consumed the instance tokens, set stack depth to 0
paren_stack_depth = 0;
attribute_index = -1;
}
const IfcParse::declaration* ty = &instance->declaration();
{
if (bytype_excl_.find(ty) == bytype_excl_.end()) {
bytype_excl_[ty].reset(new aggregate_of_instance());
}
bytype_excl_[ty]->push(instance);
}
if (byid_.find(current_id) != byid_.end()) {
std::stringstream ss;
ss << "Overwriting instance with name #" << current_id;
Logger::Message(Logger::LOG_WARNING, ss.str());
}
byid_[current_id] = instance;
MaxId = (std::max)(MaxId, current_id);
} else if (token_stream[0].type == IfcParse::Token_IDENTIFIER && (instance != nullptr)) {
register_inverse(current_id, instance->declaration().as_entity(), token_stream[0], attribute_index);
} else if (token_stream[0].type == IfcParse::Token_OPERATOR && token_stream[0].value_char == '(') {
paren_stack_depth++;
} else if (token_stream[0].type == IfcParse::Token_OPERATOR && token_stream[0].value_char == ')') {
paren_stack_depth--;
if (paren_stack_depth == 0) {
attribute_index = -1;
}
} else if (paren_stack_depth == 1 && token_stream[0].type == IfcParse::Token_OPERATOR && token_stream[0].value_char == ',') {
attribute_index++;
}
advance:
Token next_token;
try {
next_token = tokens->Next();
} catch (const IfcException& e) {
Logger::Message(Logger::LOG_ERROR, std::string(e.what()) + ". Parsing terminated");
} catch (...) {
Logger::Message(Logger::LOG_ERROR, "Parsing terminated");
}
if (!stream->eof && next_token.type == Token_NONE) {
good_ = file_open_status::INVALID_SYNTAX;
break;
}
token_stream.push_back(next_token);
}
Logger::Status("\rDone scanning file ");
delete tokens;
if (good_ != file_open_status::SUCCESS) {
references_to_resolve.clear();
return;
}
for (const auto& p : references_to_resolve) {
const auto& ref = p.first.name_;
const auto& refattr = p.first.index_;
if (auto* v = boost::get<reference_or_simple_type>(&p.second)) {
if (auto* name = boost::get<int>(v)) {
entity_by_id_t::const_iterator it = byid_.find(*name);
if (it == byid_.end()) {
Logger::Error("Instance reference #" + std::to_string(*name) + " used by instance #" + std::to_string(ref) + " at attribute index " + std::to_string(refattr) + " not found");
} else {
byid_[p.first.name_]->data().storage_.set(p.first.index_, it->second);
}
} else if (auto* inst = boost::get<IfcUtil::IfcBaseClass*>(v)) {
byid_[p.first.name_]->data().storage_.set(p.first.index_, *inst);
}
} else if (auto* v = boost::get<std::vector<reference_or_simple_type>>(&p.second)) {
aggregate_of_instance::ptr instances(new aggregate_of_instance);
instances->reserve(v->size());
for (const auto& vi : *v) {
if (auto* name = boost::get<int>(&vi)) {
entity_by_id_t::const_iterator it = byid_.find(*name);
if (it == byid_.end()) {
Logger::Error("Instance reference #" + std::to_string(*name) + " used by instance #" + std::to_string(ref) + " at attribute index " + std::to_string(refattr) + " not found");
} else {
instances->push(it->second);
}
} else if (auto* inst = boost::get<IfcUtil::IfcBaseClass*>(&vi)) {
instances->push(*inst);
}
}
byid_[p.first.name_]->data().storage_.set(p.first.index_, instances);
} else if (auto* v = boost::get<std::vector<std::vector<reference_or_simple_type>>>(&p.second)) {
aggregate_of_aggregate_of_instance::ptr instances(new aggregate_of_aggregate_of_instance);
for (const auto& vi : *v) {
std::vector<IfcUtil::IfcBaseClass*> inner;
for (const auto& vii : vi) {
if (auto* name = boost::get<int>(&vii)) {
entity_by_id_t::const_iterator it = byid_.find(*name);
if (it == byid_.end()) {
Logger::Error("Instance reference #" + std::to_string(*name) + " used by instance #" + std::to_string(ref) + " at attribute index " + std::to_string(refattr) + " not found");
} else {
inner.push_back(it->second);
}
} else if (auto* inst = boost::get<IfcUtil::IfcBaseClass*>(&vii)) {
inner.push_back(*inst);
}
}
instances->push(inner);
}
byid_[p.first.name_]->data().storage_.set(p.first.index_, instances);
}
}
Logger::Status("Done resolving references");
references_to_resolve.clear();
}
void IfcFile::recalculate_id_counter() {
entity_by_id_t::key_type k = 0;
for (auto& p : byid_) {
if (p.first > k) {
k = p.first;
}
}
MaxId = (unsigned int)k;
}
class traversal_recorder {
aggregate_of_instance::ptr list_;
std::map<int, aggregate_of_instance::ptr> instances_by_level_;
int mode_;
public:
traversal_recorder(int mode) : mode_(mode) {
if (mode == 0) {
list_.reset(new aggregate_of_instance);
}
};
void push_back(int level, IfcUtil::IfcBaseClass* instance) {
if (mode_ == 0) {
list_->push(instance);
} else {
auto& l = instances_by_level_[level];
if (!l) {
l.reset(new aggregate_of_instance);
}
l->push(instance);
}
}
aggregate_of_instance::ptr get_list() const {
if (mode_ == 0) {
return list_;
}
aggregate_of_instance::ptr l(new aggregate_of_instance);
for (const auto& p : instances_by_level_) {
l->push(p.second);
}
return l;
}
};
class traversal_visitor {
private:
std::set<IfcUtil::IfcBaseClass*>& visited_;
traversal_recorder& list_;
int level_;
int max_level_;
public:
traversal_visitor(std::set<IfcUtil::IfcBaseClass*>& visited, traversal_recorder& list, int level, int max_level)
: visited_(visited),
list_(list),
level_(level),
max_level_(max_level) {}
void operator()(IfcUtil::IfcBaseClass* inst, int index);
};
void traverse_(IfcUtil::IfcBaseClass* instance, std::set<IfcUtil::IfcBaseClass*>& visited, traversal_recorder& list, int level, int max_level) {
if (visited.find(instance) != visited.end()) {
return;
}
visited.insert(instance);
list.push_back(level, instance);
if (level >= max_level && max_level > 0) {
return;
}
traversal_visitor visit(visited, list, level + 1, max_level);
apply_individual_instance_visitor(&instance->data()).apply(visit);
}
void traversal_visitor::operator()(IfcUtil::IfcBaseClass* inst, int /* index */) {
traverse_(inst, visited_, list_, level_, max_level_);
}
aggregate_of_instance::ptr IfcParse::traverse(IfcUtil::IfcBaseClass* instance, int max_level) {
std::set<IfcUtil::IfcBaseClass*> visited;
traversal_recorder recorder(0);
traverse_(instance, visited, recorder, 0, max_level);
return recorder.get_list();
}
// I'm cheating this isn't breadth-first, but rather we record visited instances
// keeping track of their rank and return a list ordered by rank. Is this equivalent?
aggregate_of_instance::ptr IfcParse::traverse_breadth_first(IfcUtil::IfcBaseClass* instance, int max_level) {
std::set<IfcUtil::IfcBaseClass*> visited;
traversal_recorder recorder(1);
traverse_(instance, visited, recorder, 0, max_level);
return recorder.get_list();
}
/// @note: for backwards compatibility
aggregate_of_instance::ptr IfcFile::traverse(IfcUtil::IfcBaseClass* instance, int max_level) {
return IfcParse::traverse(instance, max_level);
}
/// @note: for backwards compatibility
aggregate_of_instance::ptr IfcFile::traverse_breadth_first(IfcUtil::IfcBaseClass* instance, int max_level) {
return IfcParse::traverse_breadth_first(instance, max_level);
}
void IfcFile::addEntities(aggregate_of_instance::ptr entities) {
for (aggregate_of_instance::it i = entities->begin(); i != entities->end(); ++i) {
addEntity(*i);
}
}
IfcUtil::IfcBaseClass* IfcFile::addEntity(IfcUtil::IfcBaseClass* entity, int id) {
if (id != -1 && byid_.find((unsigned)id) != byid_.end()) {
throw IfcParse::IfcException("An instance with id " + boost::lexical_cast<std::string>(id) + " is already part of this file");
}
if (entity->declaration().schema() != schema()) {
throw IfcParse::IfcException("Unabled to add instance from " + entity->declaration().schema()->name() + " schema to file with " + schema()->name() + " schema");
}
// If this instance has been inserted before, return
// a reference to the copy that was created from it.
entity_entity_map_t::iterator mit = entity_file_map_.find(entity->identity());
if (mit != entity_file_map_.end()) {
return mit->second;
}
IfcUtil::IfcBaseClass* new_entity = entity;
// Obtain all forward references by a depth-first
// traversal and add them to the file.
try {
aggregate_of_instance::ptr entity_attributes = traverse(entity, 1);
for (aggregate_of_instance::it it = entity_attributes->begin(); it != entity_attributes->end(); ++it) {
if (*it != entity) {
entity_entity_map_t::iterator mit2 = entity_file_map_.find((*it)->identity());
if (mit2 == entity_file_map_.end()) {
entity_file_map_.insert(entity_entity_map_t::value_type((*it)->identity(), addEntity(*it)));
}
}
}
} catch (...) {
Logger::Message(Logger::LOG_ERROR, "Failed to visit forward references of", entity);
}
// See whether the instance is already part of a file
if (entity->file_ != nullptr) {
if (entity->file_ == this) {
if (entity->declaration().as_entity() == nullptr) {
// While not a mapping that can be queried, we do need to free the instance later on
byidentity_[new_entity->identity()] = new_entity;
}
// If it is part of this file
// nothing else needs to be done.
return entity;
}
// An instance is being added from another file. A copy of the
// container and entity is created. The attribute references
// need to be updated to point to instances in this file.
IfcFile* other_file = entity->file_;
IfcEntityInstanceData we(entity->data());
new_entity = schema()->instantiate(&entity->declaration(), std::move(we));
// In case an entity is added that contains geometry, the unit
// information needs to be accounted for for IfcLengthMeasures.
double conversion_factor = std::numeric_limits<double>::quiet_NaN();
for (size_t i = 0; i < new_entity->data().size(); ++i) {
auto attr = new_entity->data().get_attribute_value(i);
IfcUtil::ArgumentType attr_type = attr.type();
IfcParse::declaration* decl = 0;
if (entity->declaration().as_entity() != nullptr) {
decl = 0;
const parameter_type* pt = entity->declaration().as_entity()->attribute_by_index(i)->type_of_attribute();
while (pt->as_aggregation_type() != nullptr) {
pt = pt->as_aggregation_type()->type_of_element();
}
if (pt->as_named_type() != nullptr) {
decl = pt->as_named_type()->declared_type();
}
}
if (attr_type == IfcUtil::Argument_ENTITY_INSTANCE) {
entity_entity_map_t::const_iterator eit = entity_file_map_.find(((IfcUtil::IfcBaseClass*)(attr))->identity());
if (eit == entity_file_map_.end()) {
throw IfcParse::IfcException("Unable to map instance to file");
}
// We directly use storage set not to trigger inverse recalculation which happens at the end
new_entity->data().storage_.set(i, eit->second);
} else if (attr_type == IfcUtil::Argument_AGGREGATE_OF_ENTITY_INSTANCE) {
aggregate_of_instance::ptr instances = attr;
aggregate_of_instance::ptr new_instances(new aggregate_of_instance);
for (aggregate_of_instance::it it = instances->begin(); it != instances->end(); ++it) {
entity_entity_map_t::const_iterator eit = entity_file_map_.find((*it)->identity());
if (eit == entity_file_map_.end()) {
throw IfcParse::IfcException("Unable to map instance to file");
}
new_instances->push(eit->second);
}
new_entity->data().storage_.set(i, new_instances);
} else if (attr_type == IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_ENTITY_INSTANCE) {
aggregate_of_aggregate_of_instance::ptr instances = attr;
aggregate_of_aggregate_of_instance::ptr new_instances(new aggregate_of_aggregate_of_instance);
for (aggregate_of_aggregate_of_instance::outer_it it = instances->begin(); it != instances->end(); ++it) {
std::vector<IfcUtil::IfcBaseClass*> list;
for (aggregate_of_aggregate_of_instance::inner_it jt = it->begin(); jt != it->end(); ++jt) {
entity_entity_map_t::const_iterator eit = entity_file_map_.find((*jt)->identity());
if (eit == entity_file_map_.end()) {
throw IfcParse::IfcException("Unable to map instance to file");
}
list.push_back(eit->second);
}
new_instances->push(list);
}
new_entity->data().storage_.set(i, new_instances);
} else if ((decl != nullptr) && decl->is(*schema()->declaration_by_name("IfcLengthMeasure"))) {
if (boost::math::isnan(conversion_factor)) {
std::pair<IfcUtil::IfcBaseClass*, double> this_file_unit = {nullptr, 1.0};
std::pair<IfcUtil::IfcBaseClass*, double> other_file_unit = {nullptr, 1.0};
try {
this_file_unit = getUnit("LENGTHUNIT");
other_file_unit = other_file->getUnit("LENGTHUNIT");
} catch (IfcParse::IfcException&) {
}
if ((this_file_unit.first != nullptr) && (other_file_unit.first != nullptr)) {
conversion_factor = other_file_unit.second / this_file_unit.second;
} else {
conversion_factor = 1.;
}
}
if (attr_type == IfcUtil::Argument_DOUBLE) {
double v = attr;
v *= conversion_factor;
new_entity->data().storage_.set(i, v);
} else if (attr_type == IfcUtil::Argument_AGGREGATE_OF_DOUBLE) {
std::vector<double> v = attr;
for (std::vector<double>::iterator it = v.begin(); it != v.end(); ++it) {
(*it) *= conversion_factor;
}
new_entity->data().storage_.set(i, v);
} else if (attr_type == IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_DOUBLE) {
std::vector<std::vector<double>> v = attr;
for (std::vector<std::vector<double>>::iterator it = v.begin(); it != v.end(); ++it) {
std::vector<double>& v2 = (*it);
for (std::vector<double>::iterator jt = v2.begin(); jt != v2.end(); ++jt) {
(*jt) *= conversion_factor;
}
}
new_entity->data().storage_.set(i, v);
}
}
}
// A new entity instance name is generated and
// the instance is pointed to this file.
new_entity->file_ = this;
if (new_entity->declaration().as_entity() != nullptr) {
if (id == -1) {
new_entity->as<IfcUtil::IfcBaseEntity>()->set_id(FreshId());
} else {
new_entity->as<IfcUtil::IfcBaseEntity>()->set_id((unsigned int)id);
if ((unsigned)id > MaxId) {
MaxId = (unsigned)id;
}
}
}
entity_file_map_.insert(entity_entity_map_t::value_type(entity->identity(), new_entity));
}
// For subtypes of IfcRoot, the GUID mapping needs to be updated.
if (new_entity->declaration().is(*ifcroot_type_)) {
try {
const std::string guid = new_entity->data().get_attribute_value(0);
if (byguid_.find(guid) != byguid_.end()) {
std::stringstream ss;
ss << "Overwriting entity with guid " << guid;
Logger::Message(Logger::LOG_WARNING, ss.str());
}
byguid_[guid] = new_entity;
} catch (const std::exception& ex) {
Logger::Message(Logger::LOG_ERROR, ex.what());
}
}
// The mapping by entity type is updated.
const IfcParse::declaration* ty = &new_entity->declaration();
if (ty->as_entity() != nullptr) {
if (bytype_excl_.find(ty) == bytype_excl_.end()) {
bytype_excl_[ty].reset(new aggregate_of_instance());
}
bytype_excl_[ty]->push(new_entity);
}
if (ty->as_entity() != nullptr) {
int new_id = -1;
if (new_entity->file_ == nullptr) {
// For newly created entities ensure a valid ENTITY_INSTANCE_NAME is set
new_entity->file_ = this;
boost::optional<unsigned> id_value;
if (id != -1) {
id_value = (unsigned)id;
if ((unsigned)id > MaxId) {
MaxId = (unsigned)id;
}
}
new_id = new_entity->as<IfcUtil::IfcBaseEntity>()->set_id(id_value);
} else {
new_id = new_entity->id();
}
if (byid_.find(new_id) != byid_.end()) {
// This should not happen
std::stringstream ss;
ss << "Overwriting entity with id " << new_id;
Logger::Message(Logger::LOG_WARNING, ss.str());
}
// The mapping by entity instance name is updated.
byid_[new_id] = new_entity;
} else if (new_entity->file_ == nullptr) {
// For non-entity instances, no mappings are updated, but the file
// pointer has to be set, so that actual copies are created in subsequent
// times.
new_entity->file_ = this;
// While not a mapping that can be queried, we do need to free the instance
byidentity_[new_entity->identity()] = new_entity;
}
if ((ty->as_entity() != nullptr)) {
build_inverses_(new_entity);
}
return new_entity;
}
void IfcFile::removeEntity(IfcUtil::IfcBaseClass* entity) {
const unsigned id = entity->id();
IfcUtil::IfcBaseClass* file_entity = instance_by_id(id);
// Attention when running removeEntity inside a loop over a list of entities to be removed.
// This invalidates the iterator. A workaround is to reverse the loop:
// boost::shared_ptr<aggregate_of_instance> entities = ...;
// for (auto it = entities->end() - 1; it >= entities->begin(); --it) {
// IfcUtil::IfcBaseClass *const inst = *it;
// model->removeEntity(inst);
// }
// TODO: Create a set of weak relations. Inverse relations that do not dictate an
// instance to be retained. For example: when deleting an IfcRepresentation, the
// individual IfcRepresentationItems can not be deleted if an IfcStyledItem is
// related. Hence, the IfcRepresentationItem::StyledByItem relation could be
// characterized as weak.
// std::set<IfcSchema::Type::Enum> weak_roots;
if (entity != file_entity) {
throw IfcParse::IfcException("Instance not part of this file");
}
batch_deletion_ids_.push_back(id);
if (!batch_mode_) {
process_deletion_();
}
}
void IfcFile::process_deletion_() {
for (const auto& id : batch_deletion_ids_.get<0>()) {
auto* entity = instance_by_id(id);
aggregate_of_instance::ptr references = instances_by_reference(id);
// Alter entity instances with INVERSE relations to the entity being
// deleted. This is necessary to maintain a valid IFC file, because
// dangling references to it's entities name should be removed. At this
// moment, inversely related instances affected by the removal of the
// entity being deleted are not deleted themselves.
if (references) {
for (aggregate_of_instance::it iit = references->begin(); iit != references->end(); ++iit) {
IfcUtil::IfcBaseEntity* related_instance = (IfcUtil::IfcBaseEntity*)*iit;
if (std::find(batch_deletion_ids_.begin(), batch_deletion_ids_.end(), related_instance->id()) != batch_deletion_ids_.end()) {
continue;
}
for (size_t i = 0; i < related_instance->data().size(); ++i) {
auto attr = related_instance->data().get_attribute_value(i);
if (attr.isNull()) {
continue;
}
IfcUtil::ArgumentType attr_type = attr.type();
switch (attr_type) {
case IfcUtil::Argument_ENTITY_INSTANCE: {
IfcUtil::IfcBaseClass* instance_attribute = attr;
if (instance_attribute == entity) {
related_instance->set_attribute_value(i, Blank{});
}
} break;
case IfcUtil::Argument_AGGREGATE_OF_ENTITY_INSTANCE: {
aggregate_of_instance::ptr instance_list = attr;
if (instance_list->contains(entity)) {
instance_list->remove(entity);
if ((instance_list->size() == 0U) && related_instance->declaration().as_entity()->attribute_by_index(i)->optional()) {
// @todo we can also check the lower bound of the attribute type before setting to null.
related_instance->set_attribute_value(i, Blank{});
} else {
related_instance->set_attribute_value(i, instance_list);
}
}
} break;
case IfcUtil::Argument_AGGREGATE_OF_AGGREGATE_OF_ENTITY_INSTANCE: {
aggregate_of_aggregate_of_instance::ptr instance_list_list = attr;
if (instance_list_list->contains(entity)) {
aggregate_of_aggregate_of_instance::ptr new_list(new aggregate_of_aggregate_of_instance);
for (aggregate_of_aggregate_of_instance::outer_it it = instance_list_list->begin(); it != instance_list_list->end(); ++it) {
std::vector<IfcUtil::IfcBaseClass*> instances = *it;
std::vector<IfcUtil::IfcBaseClass*>::iterator jt;
while ((jt = std::find(instances.begin(), instances.end(), entity)) != instances.end()) {
instances.erase(jt);
}
new_list->push(instances);
}
related_instance->set_attribute_value(i, new_list);
}
} break;
default:
break;
}
}
}
}
if (!batch_mode_) {
byref_excl_.erase(
byref_excl_.lower_bound({id, -1, -1}),
byref_excl_.upper_bound({id, std::numeric_limits<short>::max(), std::numeric_limits<short>::max()}));
// byref_excl_.erase(id);
// This is based on traversal which needs instances to still be contained in the map.
// another option would be to keep byid intact for the remainder of this loop
aggregate_of_instance::ptr entity_attributes = traverse(entity, 1);
for (aggregate_of_instance::it it = entity_attributes->begin(); it != entity_attributes->end(); ++it) {
IfcUtil::IfcBaseClass* entity_attribute = *it;
if (entity_attribute == entity) {
continue;
}
const unsigned int name = entity_attribute->id();
// Do not update inverses for simple types (which have id()==0 in IfcOpenShell).
if (name != 0) {
{
auto lower = byref_excl_.lower_bound({name, -1, -1});
auto upper = byref_excl_.upper_bound({name, std::numeric_limits<short>::max(), std::numeric_limits<short>::max()});
for (auto byref_it = lower; byref_it != upper; ++byref_it) {
auto& ids = byref_it->second;
ids.erase(std::remove(ids.begin(), ids.end(), id), ids.end());
}
}
}
}
}
if (entity->declaration().is(*ifcroot_type_) && !entity->data().get_attribute_value(0).isNull()) {
const std::string global_id = entity->data().get_attribute_value(0);
auto it = byguid_.find(global_id);
if (it != byguid_.end()) {
byguid_.erase(it);
} else {
Logger::Warning("GlobalId on rooted instance not encountered in map");
}
}
byid_.erase(byid_.find(id));
const IfcParse::declaration* ty = &entity->declaration();
{
auto it = bytype_excl_.find(ty);
if (it != bytype_excl_.end()) {
it->second->remove(entity);
if (it->second->size() == 0) {
bytype_excl_.erase(ty);
}
}
}
// entity_file_map is in place to prevent duplicate definitions with usage of add().
// Upon deletion the pairs need to be erased.
for (auto it = entity_file_map_.begin(); it != entity_file_map_.end();) {
if (it->second == entity) {
it = entity_file_map_.erase(it);
} else {
++it;
}
}
delete entity;
}
if (batch_mode_) {
for (auto it = byref_excl_.begin(); it != byref_excl_.end();) {
bool do_delete = batch_deletion_ids_.get<1>().find(std::get<INSTANCE_ID>(it->first)) != batch_deletion_ids_.get<1>().end();
if (!do_delete) {
it->second.erase(std::remove_if(it->second.begin(), it->second.end(), [this](int x) {
return batch_deletion_ids_.get<1>().find(x) != batch_deletion_ids_.get<1>().end();
}),
it->second.end());
do_delete = it->second.empty();
}
if (do_delete) {
it = byref_excl_.erase(it);
} else {
++it;
}
}
}
batch_deletion_ids_.clear();
}
namespace {
template <typename Fn>
void visit_subtypes(const IfcParse::entity* ent, Fn fn) {
fn(ent);
for (const auto& st : ent->subtypes()) {
visit_subtypes(st, fn);
}
}
template <typename Fn>
void visit_supertypes(const IfcParse::entity* ent, Fn fn) {
fn(ent);
if (ent->supertype()) {
visit_supertypes(ent->supertype(), fn);
}
}
}
aggregate_of_instance::ptr IfcFile::instances_by_type(const IfcParse::declaration* t) {
aggregate_of_instance::ptr insts(new aggregate_of_instance);
if (t->as_entity() != nullptr) {
visit_subtypes(t->as_entity(), [this, &insts](const IfcParse::entity* ent) {
auto it = bytype_excl_.find(ent);
if (it != bytype_excl_.end()) {
insts->push(it->second);
}
});
}
return insts;
}
aggregate_of_instance::ptr IfcFile::instances_by_type_excl_subtypes(const IfcParse::declaration* t) {
entities_by_type_t::const_iterator it = bytype_excl_.find(t);
return (it == bytype_excl_.end()) ? aggregate_of_instance::ptr(new aggregate_of_instance) : it->second;
}
aggregate_of_instance::ptr IfcFile::instances_by_type(const std::string& t) {
return instances_by_type(schema()->declaration_by_name(t));
}
aggregate_of_instance::ptr IfcFile::instances_by_type_excl_subtypes(const std::string& t) {
return instances_by_type_excl_subtypes(schema()->declaration_by_name(t));
}
aggregate_of_instance::ptr IfcFile::instances_by_reference(int t) {
auto lower = byref_excl_.lower_bound({ t, -1, -1 });
auto upper = byref_excl_.upper_bound({ t, std::numeric_limits<short>::max(), std::numeric_limits<short>::max() });
aggregate_of_instance::ptr ret(new aggregate_of_instance);
for (auto it = lower; it != upper; ++it) {
for (auto& i : it->second) {
ret->push(instance_by_id(i));
}
}
return ret;
}
IfcUtil::IfcBaseClass* IfcFile::instance_by_id(int id) {
entity_by_id_t::const_iterator it = byid_.find(id);
if (it == byid_.end()) {
throw IfcException("Instance #" + boost::lexical_cast<std::string>(id) + " not found");
}
return it->second;
}
IfcUtil::IfcBaseClass* IfcFile::instance_by_guid(const std::string& guid) {
entity_by_guid_t::const_iterator it = byguid_.find(guid);
if (it == byguid_.end()) {
throw IfcException("Instance with GlobalId '" + guid + "' not found");
}
return it->second;
}
// FIXME: Test destructor to delete entity and arg allocations
IfcFile::~IfcFile() {
std::set<IfcUtil::IfcBaseClass*> entities_to_delete;
for (const auto& pair : byid_) {
entities_to_delete.insert(pair.second);
}
for (const auto& pair : byidentity_) {
entities_to_delete.insert(pair.second);
}
for (auto* entity : entities_to_delete) {
delete entity;
}
}
IfcFile::entity_by_id_t::const_iterator IfcFile::begin() const {
return byid_.begin();
}
IfcFile::entity_by_id_t::const_iterator IfcFile::end() const {
return byid_.end();
}
IfcFile::type_iterator IfcFile::types_begin() const {
return bytype_excl_.begin();
}
IfcFile::type_iterator IfcFile::types_end() const {
return bytype_excl_.end();
}
namespace {
struct id_instance_pair_sorter {
bool operator()(const IfcParse::IfcFile::entity_by_id_t::value_type& a, const IfcParse::IfcFile::entity_by_id_t::value_type& b) const {
return a.first < b.first;
}
};
} // namespace
std::ostream& operator<<(std::ostream& out, const IfcParse::IfcFile& file) {
file.header().write(out);
typedef std::vector<std::pair<unsigned int, IfcUtil::IfcBaseClass*>> vector_t;
vector_t sorted(file.begin(), file.end());
std::sort(sorted.begin(), sorted.end(), id_instance_pair_sorter());
for (vector_t::const_iterator it = sorted.begin(); it != sorted.end(); ++it) {
const IfcUtil::IfcBaseClass* e = it->second;
if (e->declaration().as_entity() != nullptr) {
e->toString(out, true);
out << ";" << std::endl;
}
}
out << "ENDSEC;" << std::endl;
out << "END-ISO-10303-21;" << std::endl;
return out;
}
std::string IfcFile::createTimestamp() {
char buf[255];
time_t t;
time(&t);
struct tm* ti = localtime(&t);
std::string result;
if (strftime(buf, 255, "%Y-%m-%dT%H:%M:%S", ti) != 0U) {
result = std::string(buf);
}
return result;
}
std::vector<int> IfcFile::get_inverse_indices(int instance_id) {
std::vector<int> return_value;
auto lower = byref_excl_.lower_bound({instance_id, -1, -1});
auto upper = byref_excl_.upper_bound({instance_id, std::numeric_limits<short>::max(), std::numeric_limits<short>::max()});
// Mapping of instance id to attribute offset.
std::map<int, std::vector<int>> mapping;
for (auto it = lower; it != upper; ++it) {
for (auto& i : it->second) {
// We only take the tuple for the type that id=i actually is, in order not
// to count double. Because byref contains mappings for every supertype of id=i.
if (instance_by_id(i)->declaration().index_in_schema() == std::get<1>(it->first)) {
mapping[i].push_back(std::get<2>(it->first));
}
}
}
auto refs = instances_by_reference(instance_id);
for (const auto& ref : *refs) {
auto it = mapping.find(ref->id());
if (it == mapping.end() || it->second.empty()) {
throw IfcException("Internal error");
}
return_value.push_back(it->second.front());
it->second.erase(it->second.begin());
if (it->second.empty()) {
mapping.erase(it);
}
}
// Test whether all mappings where indeed used.
if (!mapping.empty()) {
throw IfcException("Internal error");
}
return return_value;
}
aggregate_of_instance::ptr IfcFile::getInverse(int instance_id, const IfcParse::declaration* type, int attribute_index) {
if (type == nullptr && attribute_index == -1) {
return instances_by_reference(instance_id);
}
aggregate_of_instance::ptr return_value(new aggregate_of_instance);
visit_subtypes(type->as_entity(), [this, attribute_index, instance_id, &return_value](const IfcParse::declaration* ent) {
if (attribute_index == -1) {
auto lower = byref_excl_.lower_bound({ instance_id, ent->index_in_schema(), -1 });
auto upper = byref_excl_.upper_bound({ instance_id, ent->index_in_schema(), std::numeric_limits<short>::max() });
for (auto it = lower; it != upper; ++it) {
for (auto& i : it->second) {
return_value->push(instance_by_id(i));
}
}
} else {
auto it = byref_excl_.find({ instance_id, ent->index_in_schema(), attribute_index });
if (it != byref_excl_.end()) {
for (auto& i : it->second) {
return_value->push(instance_by_id(i));
}
}
}
});
return return_value;
}
size_t IfcFile::getTotalInverses(int instance_id) {
size_t n = 0;
auto lower = byref_excl_.lower_bound({ instance_id, -1, -1 });
auto upper = byref_excl_.upper_bound({ instance_id, std::numeric_limits<short>::max(), std::numeric_limits<short>::max() });
for (auto it = lower; it != upper; ++it) {
n += it->second.size();
}
return n;
}
void IfcFile::setDefaultHeaderValues() {
const std::string empty_string;
std::vector<std::string> file_description;
std::vector<std::string> schema_identifiers;
std::vector<std::string> string_vector = {""};
file_description.push_back("ViewDefinition [CoordinationView]");
if (schema() != nullptr) {
schema_identifiers.push_back(schema()->name());
}
header().file_description().description(file_description);
header().file_description().implementation_level("2;1");
header().file_name().name(empty_string);
header().file_name().time_stamp(createTimestamp());
header().file_name().author(string_vector);
header().file_name().organization(string_vector);
header().file_name().preprocessor_version("IfcOpenShell " IFCOPENSHELL_VERSION);
header().file_name().originating_system("IfcOpenShell " IFCOPENSHELL_VERSION);
header().file_name().authorization(empty_string);
header().file_schema().schema_identifiers(schema_identifiers);
}
std::pair<IfcUtil::IfcBaseClass*, double> IfcFile::getUnit(const std::string& unit_type) {
std::pair<IfcUtil::IfcBaseClass*, double> return_value(0, 1.);
aggregate_of_instance::ptr projects = instances_by_type(schema()->declaration_by_name("IfcProject"));
if (!projects || projects->size() == 0) {
try {
projects = instances_by_type(schema()->declaration_by_name("IfcContext"));
} catch (IfcException&) {
}
}
if (projects && projects->size() == 1) {
IfcUtil::IfcBaseClass* project = *projects->begin();
IfcUtil::IfcBaseClass* unit_assignment = project->data().get_attribute_value(
project->declaration().as_entity()->attribute_index("UnitsInContext"));
aggregate_of_instance::ptr units = unit_assignment->data().get_attribute_value(
unit_assignment->declaration().as_entity()->attribute_index("Units"));
for (aggregate_of_instance::it it = units->begin(); it != units->end(); ++it) {
IfcUtil::IfcBaseClass* unit = *it;
if (unit->declaration().is("IfcNamedUnit")) {
const std::string file_unit_type = unit->data().get_attribute_value(
unit->declaration().as_entity()->attribute_index("UnitType"));
if (file_unit_type != unit_type) {
continue;
}
IfcUtil::IfcBaseClass* siunit = 0;
if (unit->declaration().is("IfcConversionBasedUnit")) {
IfcUtil::IfcBaseClass* mu = unit->data().get_attribute_value(
unit->declaration().as_entity()->attribute_index("ConversionFactor"));
IfcUtil::IfcBaseClass* vlc = mu->data().get_attribute_value(
mu->declaration().as_entity()->attribute_index("ValueComponent"));
IfcUtil::IfcBaseClass* unc = mu->data().get_attribute_value(
mu->declaration().as_entity()->attribute_index("UnitComponent"));
return_value.second *= static_cast<double>(vlc->data().get_attribute_value(0));
return_value.first = unit;
if (unc->declaration().is("IfcSIUnit")) {
siunit = unc;
}
} else if (unit->declaration().is("IfcSIUnit")) {
return_value.first = siunit = unit;
}
if (siunit != nullptr) {
AttributeValue prefix = siunit->data().get_attribute_value(
siunit->declaration().as_entity()->attribute_index("Prefix"));
if (!prefix.isNull()) {
return_value.second *= IfcSIPrefixToValue(prefix);
}
}
}
}
}
return return_value;
}
void IfcParse::IfcFile::build_inverses_(IfcUtil::IfcBaseClass* inst) {
std::function<void(IfcUtil::IfcBaseClass*, int)> fn = [this, inst](IfcUtil::IfcBaseClass* attr, int idx) {
if (attr->declaration().as_entity() != nullptr) {
unsigned entity_attribute_id = attr->id();
const auto* decl = inst->declaration().as_entity();
byref_excl_[{entity_attribute_id, decl->index_in_schema(), idx}].push_back(inst->id());
}
};
apply_individual_instance_visitor(&inst->data()).apply(fn);
}
void IfcParse::IfcFile::build_inverses() {
for (const auto& pair : *this) {
build_inverses_(pair.second);
}
}
std::atomic_uint32_t IfcUtil::IfcBaseClass::counter_(0);
bool IfcParse::IfcFile::guid_map_ = true;
void IfcUtil::IfcBaseClass::unset_attribute_value(size_t index) {
data_.storage_.set(index, Blank{});
}
void IfcUtil::IfcBaseClass::toString(std::ostream& out, bool upper) const
{
const auto *ent = declaration().as_entity();
if (ent != nullptr) {
out << "#" << as<IfcUtil::IfcBaseEntity>()->id() << "=";
}
if (upper) {
out << declaration().name_uc();
} else {
out << declaration().name();
}
data().toString(out, upper, ent);
}
IfcEntityInstanceData::IfcEntityInstanceData(const IfcEntityInstanceData& data)
: storage_(data.storage_.size() )
{
for (size_t i = 0; i < data.storage_.size(); ++i) {
data.storage_.apply_visitor([this, i](const auto& v) {
using U = std::decay_t<decltype(v)>;
if constexpr (std::is_same_v<U, aggregate_of_instance::ptr>) {
// @todo why did we ever choose shared_ptrs for these
// aggregates? Now we need to explicit copies.
aggregate_of_instance::ptr v2(new aggregate_of_instance);
if (v) {
v2->reserve(v->size());
for (auto& i : *v) {
v2->push(i);
}
}
storage_.set(i, v2);
} else if constexpr (std::is_same_v<U, aggregate_of_aggregate_of_instance::ptr>) {
aggregate_of_aggregate_of_instance::ptr v2(new aggregate_of_aggregate_of_instance);
if (v) {
for (auto& i : *v) {
v2->push(i);
}
}
storage_.set(i, v2);
} else {
storage_.set(i, v);
}
}, i);
}
}
AttributeValue IfcEntityInstanceData::get_attribute_value(size_t index) const
{
return { &storage_, (uint8_t) index };
}
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<Blank>(size_t index, const Blank& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<int>(size_t index, const int& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<bool>(size_t index, const bool& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<boost::logic::tribool>(size_t index, const boost::logic::tribool& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<double>(size_t index, const double& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::string>(size_t index, const std::string& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<boost::dynamic_bitset<>>(size_t index, const boost::dynamic_bitset<>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<EnumerationReference>(size_t index, const EnumerationReference& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<IfcUtil::IfcBaseClass*>(size_t index, IfcUtil::IfcBaseClass* const& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<int>>(size_t index, const std::vector<int>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<double>>(size_t index, const std::vector<double>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::string>>(size_t index, const std::vector<std::string>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<boost::dynamic_bitset<>>>(size_t index, const std::vector<boost::dynamic_bitset<>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<aggregate_of_instance::ptr>(size_t index, const aggregate_of_instance::ptr& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::vector<int>>>(size_t index, const std::vector<std::vector<int>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::vector<double>>>(size_t index, const std::vector<std::vector<double>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<aggregate_of_aggregate_of_instance::ptr>(size_t index, const aggregate_of_aggregate_of_instance::ptr& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<Blank>(const std::string& name, const Blank& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<int>(const std::string& name, const int& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<bool>(const std::string& name, const bool& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<boost::logic::tribool>(const std::string& name, const boost::logic::tribool& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<double>(const std::string& name, const double& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::string>(const std::string& name, const std::string& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<boost::dynamic_bitset<>>(const std::string& name, const boost::dynamic_bitset<>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<EnumerationReference>(const std::string& name, const EnumerationReference& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<IfcUtil::IfcBaseClass*>(const std::string& name, IfcUtil::IfcBaseClass* const& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<int>>(const std::string& name, const std::vector<int>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<double>>(const std::string& name, const std::vector<double>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::string>>(const std::string& name, const std::vector<std::string>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<boost::dynamic_bitset<>>>(const std::string& name, const std::vector<boost::dynamic_bitset<>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<aggregate_of_instance::ptr>(const std::string& name, const aggregate_of_instance::ptr& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::vector<int>>>(const std::string& name, const std::vector<std::vector<int>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<std::vector<std::vector<double>>>(const std::string& name, const std::vector<std::vector<double>>& value);
template void IFC_PARSE_API IfcUtil::IfcBaseClass::set_attribute_value<aggregate_of_aggregate_of_instance::ptr>(const std::string& name, const aggregate_of_aggregate_of_instance::ptr& value);
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