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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugin-fw
* Created on: 10 апр. 2021 г.
*
* lsp-plugin-fw 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 3 of the License, or
* any later version.
*
* lsp-plugin-fw 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 lsp-plugin-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_UI_XML_PLAYBACKNODE_H_
#define PRIVATE_UI_XML_PLAYBACKNODE_H_
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/fmt/xml/IXMLHandler.h>
#include <lsp-plug.in/lltl/parray.h>
#include <private/ui/xml/Node.h>
namespace lsp
{
namespace ui
{
namespace xml
{
/**
* Node that records all XML events and plays them back
*/
class PlaybackNode: public Node
{
private:
PlaybackNode & operator = (const PlaybackNode &);
PlaybackNode(const PlaybackNode &);
protected:
enum event_t
{
EVT_START_ELEMENT,
EVT_END_ELEMENT
};
typedef struct xml_event_t
{
event_t nEvent;
lltl::parray<LSPString> vData;
inline xml_event_t(event_t type);
~xml_event_t();
status_t add_param(const LSPString *name);
} xml_event_t;
private:
lltl::parray<xml_event_t> vEvents;
protected:
status_t playback();
xml_event_t *add_event(event_t ev);
public:
explicit PlaybackNode(UIContext *ctx, Node *parent);
virtual ~PlaybackNode();
public:
virtual status_t lookup(Node **child, const LSPString *name);
virtual status_t start_element(const LSPString *name, const LSPString * const *atts);
virtual status_t end_element(const LSPString *name);
virtual status_t leave();
public:
/**
* Playback start element
* @param handler XML handler
* @param name element name
* @param atts element attributes
* @return status of operation
*/
virtual status_t playback_start_element(lsp::xml::IXMLHandler *handler, const LSPString *name, const LSPString * const *atts);
/**
* Playback end element
* @param handler XML handler
* @param name element name
* @param atts element attributes
* @return status of operation
*/
virtual status_t playback_end_element(lsp::xml::IXMLHandler *handler, const LSPString *name);
};
}
}
}
#endif /* PRIVATE_UI_XML_PLAYBACKNODE_H_ */
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