mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 17:31:45 +00:00
Thomas Krijnen
298 lines
12 KiB
C++
298 lines
12 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#include <iomanip>
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#include <locale>
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#include <limits>
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#include <boost/algorithm/string.hpp>
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#include "../ifcparse/IfcParse.h"
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#include "../ifcparse/IfcWrite.h"
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#include "../ifcparse/IfcCharacterDecoder.h"
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#include "../ifcparse/IfcFile.h"
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using namespace IfcWrite;
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class SizeVisitor : public boost::static_visitor<int> {
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public:
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int operator()(const boost::blank& /*i*/) const { return -1; }
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int operator()(const IfcWriteArgument::Derived& /*i*/) const { return -1; }
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int operator()(const int& /*i*/) const { return -1; }
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int operator()(const bool& /*i*/) const { return -1; }
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int operator()(const boost::logic::tribool& /*i*/) const { return -1; }
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int operator()(const double& /*i*/) const { return -1; }
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int operator()(const std::string& /*i*/) const { return -1; }
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int operator()(const boost::dynamic_bitset<>& /*i*/) const { return -1; }
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int operator()(const IfcWriteArgument::empty_aggregate_t&) const { return 0; }
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int operator()(const IfcWriteArgument::empty_aggregate_of_aggregate_t&) const { return 0; }
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int operator()(const std::vector<int>& i) const { return (int)i.size(); }
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int operator()(const std::vector<double>& i) const { return (int)i.size(); }
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int operator()(const std::vector< std::vector<int> >& i) const { return (int)i.size(); }
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int operator()(const std::vector< std::vector<double> >& i) const { return (int)i.size(); }
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int operator()(const std::vector<std::string>& i) const { return (int)i.size(); }
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int operator()(const std::vector< boost::dynamic_bitset<> >& i) const { return (int)i.size(); }
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int operator()(const IfcWriteArgument::EnumerationReference& /*i*/) const { return -1; }
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int operator()(const IfcUtil::IfcBaseClass* const& /*i*/) const { return -1; }
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int operator()(const aggregate_of_instance::ptr& i) const { return i->size(); }
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int operator()(const aggregate_of_aggregate_of_instance::ptr& i) const { return i->size(); }
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};
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class StringBuilderVisitor : public boost::static_visitor<void> {
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private:
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StringBuilderVisitor(const StringBuilderVisitor&); //N/A
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StringBuilderVisitor& operator =(const StringBuilderVisitor&); //N/A
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std::ostringstream& data;
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template <typename T> void serialize(const std::vector<T>& i) {
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data << "(";
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for (typename std::vector<T>::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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data << *it;
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}
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data << ")";
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}
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// The REAL token definition from the IFC SPF standard does not necessarily match
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// the output of the C++ ostream formatting operation.
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// REAL = [ SIGN ] DIGIT { DIGIT } "." { DIGIT } [ "E" [ SIGN ] DIGIT { DIGIT } ] .
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std::string format_double(const double& d) {
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std::ostringstream oss;
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oss.imbue(std::locale::classic());
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oss << std::setprecision(std::numeric_limits<double>::digits10) << d;
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const std::string str = oss.str();
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oss.str("");
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std::string::size_type e = str.find('e');
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if (e == std::string::npos) {
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e = str.find('E');
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}
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const std::string mantissa = str.substr(0,e);
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oss << mantissa;
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if (mantissa.find('.') == std::string::npos) {
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oss << ".";
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}
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if (e != std::string::npos) {
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oss << "E";
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oss << str.substr(e+1);
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}
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return oss.str();
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}
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std::string format_binary(const boost::dynamic_bitset<>& b) {
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std::ostringstream oss;
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oss.imbue(std::locale::classic());
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oss.put('"');
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oss << std::hex << std::setw(1);
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unsigned c = (unsigned)b.size();
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unsigned n = (4 - (c % 4)) & 3;
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oss << n;
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for (unsigned i = 0; i < c + n;) {
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unsigned accum = 0;
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for (int j = 0; j < 4; ++j, ++i) {
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unsigned bit = i < n ? 0 : b.test(c - i + n - 1) ? 1 : 0;
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accum |= bit << (3-j);
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}
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oss << accum;
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}
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oss.put('"');
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return oss.str();
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}
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bool upper;
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public:
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StringBuilderVisitor(std::ostringstream& stream, bool upper = false)
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: data(stream), upper(upper) {}
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void operator()(const boost::blank& /*i*/) { data << "$"; }
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void operator()(const IfcWriteArgument::Derived& /*i*/) { data << "*"; }
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void operator()(const int& i) { data << i; }
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void operator()(const bool& i) { data << (i ? ".T." : ".F."); }
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void operator()(const boost::logic::tribool& i) { data << (i ? ".T." : (boost::logic::indeterminate(i) ? ".U." : ".F.")); }
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void operator()(const double& i) { data << format_double(i); }
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void operator()(const boost::dynamic_bitset<>& i) { data << format_binary(i); }
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void operator()(const std::string& i) {
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std::string s = i;
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if (upper) {
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data << static_cast<std::string>(IfcCharacterEncoder(s));
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} else {
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data << '\'' << s << '\'';
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}
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}
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void operator()(const std::vector<int>& i);
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void operator()(const std::vector<double>& i);
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void operator()(const std::vector<std::string>& i);
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void operator()(const std::vector< boost::dynamic_bitset<> >& i);
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void operator()(const IfcWriteArgument::EnumerationReference& i) {
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data << "." << i.enumeration_value << ".";
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}
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void operator()(const IfcUtil::IfcBaseClass* const& i) {
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const IfcEntityInstanceData& e = i->data();
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if (!e.type()->as_entity()) {
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data << e.toString(upper);
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} else {
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data << "#" << e.id();
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}
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}
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void operator()(const aggregate_of_instance::ptr& i) {
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data << "(";
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for (aggregate_of_instance::it it = i->begin(); it != i->end(); ++it) {
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if (it != i->begin()) data << ",";
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(*this)(*it);
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}
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data << ")";
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}
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void operator()(const std::vector< std::vector<int> >& i);
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void operator()(const std::vector< std::vector<double> >& i);
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void operator()(const aggregate_of_aggregate_of_instance::ptr& i) {
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data << "(";
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for (aggregate_of_aggregate_of_instance::outer_it outer_it = i->begin(); outer_it != i->end(); ++outer_it) {
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if (outer_it != i->begin()) data << ",";
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data << "(";
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for (aggregate_of_aggregate_of_instance::inner_it inner_it = outer_it->begin(); inner_it != outer_it->end(); ++inner_it) {
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if (inner_it != outer_it->begin()) data << ",";
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(*this)(*inner_it);
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}
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data << ")";
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}
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data << ")";
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}
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void operator()(const IfcWriteArgument::empty_aggregate_t&) const { data << "()"; }
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void operator()(const IfcWriteArgument::empty_aggregate_of_aggregate_t&) const { data << "()"; }
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operator std::string() { return data.str(); }
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};
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template <>
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void StringBuilderVisitor::serialize(const std::vector<std::string>& i) {
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data << "(";
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for (std::vector<std::string>::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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std::string s = IfcCharacterEncoder(*it);
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data << s;
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}
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data << ")";
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}
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template <>
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void StringBuilderVisitor::serialize(const std::vector<double>& i) {
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data << "(";
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for (std::vector<double>::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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data << format_double(*it);
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}
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data << ")";
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}
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template <>
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void StringBuilderVisitor::serialize(const std::vector< boost::dynamic_bitset<> >& i) {
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data << "(";
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for (std::vector< boost::dynamic_bitset<> >::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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data << format_binary(*it);
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}
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data << ")";
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}
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void StringBuilderVisitor::operator()(const std::vector<int>& i) { serialize(i); }
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void StringBuilderVisitor::operator()(const std::vector<double>& i) { serialize(i); }
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void StringBuilderVisitor::operator()(const std::vector<std::string>& i) { serialize(i); }
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void StringBuilderVisitor::operator()(const std::vector< boost::dynamic_bitset<> >& i) { serialize(i); }
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void StringBuilderVisitor::operator()(const std::vector< std::vector<int> >& i) {
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data << "(";
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for (std::vector< std::vector<int> >::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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serialize(*it);
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}
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data << ")";
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}
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void StringBuilderVisitor::operator()(const std::vector< std::vector<double> >& i) {
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data << "(";
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for (std::vector< std::vector<double> >::const_iterator it = i.begin(); it != i.end(); ++it) {
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if (it != i.begin()) data << ",";
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serialize(*it);
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}
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data << ")";
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}
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IfcWriteArgument::operator int() const { return as<int>(); }
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IfcWriteArgument::operator bool() const { return as<bool>(); }
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IfcWriteArgument::operator boost::logic::tribool() const { return as<boost::logic::tribool>(); }
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IfcWriteArgument::operator double() const { return as<double>(); }
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IfcWriteArgument::operator std::string() const {
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if (type() == IfcUtil::Argument_ENUMERATION) {
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return as<EnumerationReference>().enumeration_value;
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}
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return as<std::string>();
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}
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IfcWriteArgument::operator IfcUtil::IfcBaseClass*() const { return as<IfcUtil::IfcBaseClass*>(); }
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IfcWriteArgument::operator boost::dynamic_bitset<>() const { return as< boost::dynamic_bitset<> >(); }
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IfcWriteArgument::operator std::vector<double>() const { return as<std::vector<double> >(); }
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IfcWriteArgument::operator std::vector<int>() const { return as<std::vector<int> >(); }
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IfcWriteArgument::operator std::vector<std::string>() const { return as<std::vector<std::string > >(); }
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IfcWriteArgument::operator std::vector< boost::dynamic_bitset<> >() const { return as< std::vector< boost::dynamic_bitset<> > >(); }
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IfcWriteArgument::operator aggregate_of_instance::ptr() const { return as<aggregate_of_instance::ptr>(); }
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IfcWriteArgument::operator std::vector< std::vector<int> >() const { return as<std::vector< std::vector<int> > >(); }
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IfcWriteArgument::operator std::vector< std::vector<double> >() const { return as<std::vector< std::vector<double> > >(); }
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IfcWriteArgument::operator aggregate_of_aggregate_of_instance::ptr() const { return as<aggregate_of_aggregate_of_instance::ptr>(); }
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bool IfcWriteArgument::isNull() const { return type() == IfcUtil::Argument_NULL; }
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Argument* IfcWriteArgument::operator [] (unsigned int /*i*/) const { throw IfcParse::IfcException("Invalid cast"); }
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std::string IfcWriteArgument::toString(bool upper) const {
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std::ostringstream str;
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str.imbue(std::locale::classic());
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StringBuilderVisitor v(str, upper);
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container.apply_visitor(v);
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return v;
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}
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unsigned int IfcWriteArgument::size() const {
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SizeVisitor v;
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const int size = container.apply_visitor(v);
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if (size == -1) {
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throw IfcParse::IfcException("Invalid cast");
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} else {
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return size;
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}
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}
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IfcUtil::ArgumentType IfcWriteArgument::type() const {
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return static_cast<IfcUtil::ArgumentType>(container.which());
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}
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// Overload to detect null values
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void IfcWriteArgument::set(const aggregate_of_instance::ptr& v) {
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if (v) {
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container = v;
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} else {
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container = boost::blank();
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}
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}
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// Overload to detect null values
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void IfcWriteArgument::set(const aggregate_of_aggregate_of_instance::ptr& v) {
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if (v) {
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container = v;
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} else {
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container = boost::blank();
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}
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}
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// Overload to detect null values
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void IfcWriteArgument::set(IfcUtil::IfcBaseInterface*const& v) {
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if (v) {
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container = v->as<IfcUtil::IfcBaseClass>();
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} else {
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container = boost::blank();
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}
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} |