mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 17:31:45 +00:00
Thomas Krijnen
86 lines
3.4 KiB
C++
86 lines
3.4 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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/********************************************************************************
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* *
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* Implementation of character decoding as described in ISO 10303-21 table 2 and *
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* table 4 *
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* *
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********************************************************************************/
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#ifndef IFCCHARACTERDECODER_H
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#define IFCCHARACTERDECODER_H
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#include "file_reader.h"
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#include "logger.h"
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#include <string>
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namespace ifcopenshell {
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IFC_PARSE_API std::u32string::value_type convert_codepage(int codepage, int index);
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IFC_PARSE_API std::string convert_utf8(const std::u32string& string);
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IFC_PARSE_API std::u32string convert_utf8(const std::string& string);
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} // namespace ifcopenshell
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namespace ifcopenshell {
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template <typename Reader>
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class IFC_PARSE_API character_decoder {
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private:
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Reader* stream_;
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logger& logger_;
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int codepage_;
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std::u32string builder_;
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public:
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enum ConversionMode {
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SUBSTITUTE,
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UTF8,
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ESCAPE
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};
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inline static ConversionMode mode = UTF8;
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inline static char substitution_character = '_';
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character_decoder(Reader* stream, logger& logger = ::logger::root());
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~character_decoder();
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// Gets a decoded string representation at the token stream
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// read pointer and advances the underlying token stream.
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operator std::string();
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// Gets a decoded string representation at the offset provided,
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// does not mutate the underlying token stream read pointer.
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std::string get(size_t& offset);
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};
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} // namespace ifcopenshell
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namespace ifcopenshell {
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class IFC_PARSE_API character_encoder {
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private:
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std::u32string str_;
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public:
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character_encoder(const std::string& input);
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operator std::string();
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};
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} // namespace IfcWrite
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#endif
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