XmlDocument.h

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/*
  ==============================================================================
 
   This file is part of the Water library.
   Copyright (c) 2016 ROLI Ltd.
   Copyright (C) 2017-2022 Filipe Coelho <falktx@falktx.com>
 
   Permission is granted to use this software under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license/
 
   Permission to use, copy, modify, and/or distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
   copyright notice and this permission notice appear in all copies.
 
   THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD
   TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
   OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
   USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
   TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
   OF THIS SOFTWARE.
 
  ==============================================================================
*/
 
#ifndef WATER_XMLDOCUMENT_H_INCLUDED
#define WATER_XMLDOCUMENT_H_INCLUDED
 
#include "../text/StringArray.h"
 
#include "CarlaScopeUtils.hpp"
 
namespace water {
 
//==============================================================================
class XmlDocument
{
public:
    //==============================================================================
    XmlDocument (const String& documentText);

    XmlDocument (const File& file);

    ~XmlDocument();
 
    //==============================================================================
    XmlElement* getDocumentElement (bool onlyReadOuterDocumentElement = false);

    const String& getLastParseError() const noexcept;

    void setInputSource (FileInputSource* newSource) noexcept;

    void setEmptyTextElementsIgnored (bool shouldBeIgnored) noexcept;
 
    //==============================================================================
    static XmlElement* parse (const File& file);

    static XmlElement* parse (const String& xmlData);
 
 
    //==============================================================================
private:
    String originalText;
    CharPointer_UTF8 input;
    bool outOfData, errorOccurred;
 
    String lastError, dtdText;
    StringArray tokenisedDTD;
    bool needToLoadDTD, ignoreEmptyTextElements;
    CarlaScopedPointer<FileInputSource> inputSource;
 
    XmlElement* parseDocumentElement (CharPointer_UTF8, bool outer);
    void setLastError (const String&, bool carryOn);
    bool parseHeader();
    bool parseDTD();
    void skipNextWhiteSpace();
    water_uchar readNextChar() noexcept;
    XmlElement* readNextElement (bool alsoParseSubElements);
    void readChildElements (XmlElement&);
    void readQuotedString (String&);
    void readEntity (String&);
 
    String getFileContents (const String&) const;
    String expandEntity (const String&);
    String expandExternalEntity (const String&);
    String getParameterEntity (const String&);
 
    CARLA_DECLARE_NON_COPYABLE (XmlDocument)
};
 
}
 
#endif // WATER_XMLDOCUMENT_H_INCLUDED