/********************************************************************************

* *

* 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/>. *

* *

********************************************************************************/

/********************************************************************************

* *

* Implementation of character decoding as described in ISO 10303-21 table 2 and *

* table 4 *

* *

********************************************************************************/

#ifndef IFCCHARACTERDECODER_H

#define IFCCHARACTERDECODER_H

#include <string>

#include <sstream>

#ifdef HAVE_ICU

#include "unicode/ucnv.h"

#else

typedef unsigned int UChar32;

#endif

#include "../ifcparse/IfcSpfStream.h"

namespace IfcParse {

class IfcCharacterDecoder {

private:

IfcParse::IfcSpfStream* file;

#ifdef HAVE_ICU

static UConverter* destination;

static UConverter* converter;

static UConverter* compatibility_converter;

static int previous_codepage;

static UErrorCode status;

#endif

void addChar(std::stringstream& s,const UChar32& ch);

public:

#ifdef HAVE_ICU

enum ConversionMode {DEFAULT,UTF8,LATIN,JSON,PYTHON};

static ConversionMode mode;

// Many BIM software (eg. Revit, ArchiCAD, ...) has wrong behavior to encode characters.

// It just translate to extended string in system default code page, not unicode.

// If you want to process these strings, set true.

static bool compatibility_mode;

static std::string compatibility_charset;

#else

static char substitution_character;

#endif

IfcCharacterDecoder(IfcParse::IfcSpfStream* file);

~IfcCharacterDecoder();

void dryRun();

operator std::string();

};

}

namespace IfcWrite {

class IfcCharacterEncoder {

private:

std::string str;

#ifdef HAVE_ICU

static UErrorCode status;

static UConverter* converter;

#endif

public:

IfcCharacterEncoder(const std::string& input);

~IfcCharacterEncoder();

operator std::string();

};

}

#endif