UriQuery.h

/*
 * Copyright (C) 2022 Marc Duerner
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public License.
 * 
 * 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
 * MA 02110-1301 USA
 */

#ifndef Pt_System_UrlQuery_h
#define Pt_System_UrlQuery_h

#include <Pt/System/Api.h>
#include <Pt/String.h>
#include <map>
#include <string>

namespace Pt {

namespace System {

class PT_SYSTEM_API UriQuery
{ 
  public:
    UriQuery();

    UriQuery(const std::string& s);

    ~UriQuery();

    bool isEmpty() const;

    void clear();

    void set(const std::string& s);

    bool hasField(const Pt::String& key) const;

    const Pt::String& field(const Pt::String& key, 
                            const Pt::String& def = Pt::String()) const;

    const Pt::String* findField(const Pt::String& key) const;

    void setField(const Pt::String& key, const Pt::String& value);

    void removeField(const Pt::String& key);

    std::string toEncoded() const;

    bool equals(const UriQuery& query) const;

  private:
    std::map<Pt::String, Pt::String> _fields;
};


inline bool operator ==(const UriQuery& a, const UriQuery& b)
{
    return a.equals(b);
}


inline bool operator !=(const UriQuery& a, const UriQuery& b)
{
    return ! a.equals(b); 
}

} // namespace System

} // namespace Pt

#endif // include guard