author | František Kučera <franta-hg@frantovo.cz> |
Thu, 17 Jan 2019 23:26:48 +0100 | |
branch | v_0 |
changeset 9 | 5a2c4a8d715b |
parent 8 | 14e14a5db027 |
child 15 | 177321664baf |
permissions | -rw-r--r-- |
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/** |
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* Relational pipes |
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* Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program 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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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the 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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#pragma once |
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#include <string> |
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#include <codecvt> |
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#include <xercesc/util/XMLString.hpp> |
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#include <relpipe/writer/typedefs.h> |
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namespace relpipe { |
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namespace in { |
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namespace xml { |
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using namespace std; |
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using namespace xercesc; |
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using namespace relpipe::writer; |
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class XercesStringConvertor { |
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private: |
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wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings. |
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public: |
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string_t toString(const XMLCh* const chars) { |
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// XMLCh = char16_t |
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// „All XML data is handled within Xerces-C++ as strings of XMLCh characters. Regardless of the size of the type chosen, the data stored in variables of type XMLCh will always be utf-16 encoded values.“ |
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// see https://xerces.apache.org/xerces-c/program-others-3.html |
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// other solution (depends on boost): https://flylib.com/books/en/2.131.1/working_with_xerces_strings.html |
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// TODO: review this text conversion and test on various platforms |
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char* x = XMLString::transcode(chars); |
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string s = string(x); |
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XMLString::release(&x); |
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return convertor.from_bytes(s); |
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} |
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/** |
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* @param string |
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* @return Xerces string. Must be released manually after use, see XMLString::release(). |
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*/ |
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XMLCh* toXercesString(string_t string) { |
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return XMLString::transcode(convertor.to_bytes(string).c_str()); |
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} |
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}; |
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} |
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} |
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} |