ImportXML.h

/*
╔══════════════════════════════════════════════════════════════════════════════╗
║                       SIMPLY POWERFUL TOOLKIT (SPTK)                         ║
╟──────────────────────────────────────────────────────────────────────────────╢
║  copyright            © 1999-2022 Alexey Parshin. All rights reserved.       ║
║  email                alexeyp@gmail.com                                      ║
╚══════════════════════════════════════════════════════════════════════════════╝
┌──────────────────────────────────────────────────────────────────────────────┐
│   This library is free software; you can redistribute it and/or modify it    │
│   under the terms of the GNU Library General Public License as published by  │
│   the Free Software Foundation; either version 2 of the License, or (at your │
│   option) any later version.                                                 │
│                                                                              │
│   This library 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 GNU Library   │
│   General Public License for more details.                                   │
│                                                                              │
│   You should have received a copy of the GNU Library General Public License  │
│   along with this library; if not, write to the Free Software Foundation,    │
│   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.               │
│                                                                              │
│   Please report all bugs and problems to alexeyp@gmail.com.                  │
└──────────────────────────────────────────────────────────────────────────────┘
*/
 
#pragma once
 
#include <sptk5/Buffer.h>
#include <sptk5/RegularExpression.h>
#include <sptk5/xdoc/Node.h>
#include <sptk5/xdoc/XMLDocType.h>
 
#include <map>
#include <string>
 
namespace sptk::xdoc {
 
class SP_EXPORT ImportXML
{
public:
    enum class Mode : uint8_t
    {
        Compact,       
        KeepFormatting 
    };
 
    ImportXML() = default;
 
    virtual ~ImportXML() = default;
 
    XMLDocType& docType()
    {
        return m_doctype;
    }
 
    [[maybe_unused]] void indentSpaces(int i)
    {
    }
 
    void parse(const SNode& node, const char* _buffer, Mode formatting = Mode::Compact);
 
private:
    XMLDocType m_doctype;  
    Buffer m_encodeBuffer; 
    Buffer m_decodeBuffer; 
 
    void processAttributes(Node& node, const char* ptr);
 
    static char* readComment(const SNode& currentNode, char* nodeName, char* nodeEnd, char* tokenEnd);
 
    static char* readCDataSection(const SNode& currentNode, char* nodeName, char* nodeEnd, char* tokenEnd,
                                  Mode formatting);
 
    static char* readXMLDocType(char* tokenEnd);
 
    static const RegularExpression parseAttributes;
 
    static char* readExclamationTag(const SNode& currentNode, char* nodeName, char* tokenEnd, char* nodeEnd, Mode formatting);
 
    char* readProcessingInstructions(const SNode& currentNode, const char* nodeName, char* tokenEnd, char*& nodeEnd,
                                     bool isRootNode);
 
    char* readOpenningTag(SNode& currentNode, const char* nodeName, char* tokenEnd, char*& nodeEnd);
 
    static char* readClosingTag(const SNode& currentNode, const char* nodeName, char* tokenEnd, char*& nodeEnd);
 
    void readText(const SNode& currentNode, XMLDocType* doctype, const char* nodeStart, const char* textStart,
                  Mode formatting);
 
    static SNode detectArray(const SNode& node);
};
 
} // namespace sptk::xdoc