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IfcOpenShell/src/ifcparse/parse.h
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2026-07-09 22:01:21 +02:00

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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/>. *
* *
********************************************************************************/
/********************************************************************************
* *
* This file provides functions for loading an IFC file into memory and access *
* its entities either by ID, by an IfcSchema::Type or by reference *
* *
********************************************************************************/
#ifndef IFCPARSE_H
#define IFCPARSE_H
#include "argument.h"
#include "ifc_parse_api.h"
#include "express.h"
#include "character_decoder.h"
#include "file_reader.h"
#include "macros.h"
#include "storage.h"
#include <boost/dynamic_bitset.hpp>
#include <boost/shared_ptr.hpp>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
extern IFC_PARSE_API const char *IFCOPENSHELL_VERSION;
namespace ifcopenshell {
/// A stream of tokens to be read from a file_reader.
template <typename Reader>
class IFC_PARSE_API spf_lexer {
private:
character_decoder<Reader>* decoder_;
::logger& logger_;
size_t skip_whitespace() const;
size_t skip_comment() const;
mutable std::vector<std::unique_ptr<std::array<std::string, 16>>> stringpool_;
mutable size_t pool_index = 0;
public:
spf_lexer(const spf_lexer&) = delete;
spf_lexer& operator=(const spf_lexer&) = delete;
std::string& get_temp_string() const;
void reset_pool() const {
pool_index = 0;
}
void pop_pool_entry() {
if (pool_index > 0) {
--pool_index;
}
}
Reader* stream;
// file* file;
spf_lexer(Reader* stream, ::logger& logger = ::logger::root());
token next();
~spf_lexer();
// void TokenString(size_t offset, std::string& result);
};
IFC_PARSE_API std::vector<express::Base> traverse(const express::Base& instance, int max_depth = -1);
IFC_PARSE_API std::vector<express::Base> traverse_breadth_first(const express::Base& instance, int max_depth = -1);
} // namespace ifcopenshell
IFC_PARSE_API std::ostream& operator<<(std::ostream& stream, const ifcopenshell::file& file);
#endif