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/*

Jabber Protocol Plugin for Miranda NG

Copyright (c) 2002-04  Santithorn Bunchua
Copyright (c) 2005-12  George Hazan
Copyright (c) 2007     Artem Shpynov
Copyright (C) 2012-20 Miranda NG team

Module implements a search according to XEP-0055: Jabber Search
http://www.xmpp.org/extensions/xep-0055.html

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#pragma once

struct JabberSearchFieldsInfo
{
	wchar_t *szFieldName;
	wchar_t *szFieldCaption;
	HWND hwndCaptionItem;
	HWND hwndValueItem;
};

struct JabberSearchData : public MZeroedObject
{
	struct CJabberProto *ppro;
	JabberSearchFieldsInfo *pJSInf;
	TiXmlDocument doc;
	TiXmlElement *xNode;
	int nJSInfCount;
	int lastRequestIq;
	int CurrentHeight;
	int curPos;
	int frameHeight;
	RECT frameRect;
	BOOL fSearchRequestIsXForm;
};

struct Data
{
	wchar_t *Label;
	wchar_t *Var;
	wchar_t *defValue;
	bool bHidden;
	bool bReadOnly;
	int Order;
};

static HWND searchHandleDlg = nullptr;

// Implementation of MAP class (the list
class UNIQUE_MAP
{
	struct _RECORD
	{
		_RECORD(char *key, char *value = nullptr) :
			_key(key),
			_value(value)
		{ }

		char *_key;
		char *_value;
		int _order = 0;
	};

	int _nextOrder;
	LIST<_RECORD> _Records;

	static int _KeysEqual(const _RECORD *p1, const _RECORD *p2)
	{
		return mir_strcmpi(p1->_key, p2->_key);
	}

	inline int _remove(_RECORD *p)
	{
		int _itemOrder = p->_order;
		if (_Records.remove(p)) {
			delete(p);
			_nextOrder--;
			for (auto &temp : _Records)
				if (temp && temp->_order > _itemOrder)
					temp->_order--;
			return 1;
		}
		return 0;
	}
	
	inline _RECORD* _getUnorderedRec(int index)
	{
		for (auto &rec : _Records)
			if (rec->_order == index)
				return rec;

		return nullptr;
	}

public:
	UNIQUE_MAP(int incr) :_Records(incr, _KeysEqual)
	{
		_nextOrder = 0;
	};
	~UNIQUE_MAP()
	{
		_RECORD *record;
		int i = 0;
		while (record = _Records[i++]) delete record;
	}

	int insert(const char *Key, const char *Value)
	{
		_RECORD *rec = new _RECORD((char*)Key, (char*)Value);
		int index = _Records.getIndex(rec);
		if (index < 0) {
			if (!_Records.insert(rec)) delete rec;
			else {
				index = _Records.getIndex(rec);
				rec->_order = _nextOrder++;
			}
		}
		else {
			_Records[index]->_value = (char*)Value;
			delete rec;
		}
		return index;
	}
	
	int insertCopyKey(const char *Key, const char *Value, char **_KeyReturn)
	{
		_RECORD *rec = new _RECORD((char*)Key, (char*)Value);
		int index = _Records.getIndex(rec);
		if (index < 0) {
			char *newKey = mir_strdup(Key);
			if (!_Records.insert(rec)) {
				delete rec;
				mir_free(newKey);
				if (_KeyReturn)
					*_KeyReturn = nullptr;
			}
			else {
				rec->_key = newKey;
				index = _Records.getIndex(rec);
				rec->_order = _nextOrder++;
				if (_KeyReturn)
					*_KeyReturn = newKey;
			}
		}
		else {
			_Records[index]->_value = (char*)Value;
			if (_KeyReturn)
				*_KeyReturn = _Records[index]->_key;
			delete rec;
		}
		return index;
	}

	inline char* operator[](const char* _KEY) const
	{
		_RECORD rec((char*)_KEY);
		int index = _Records.getIndex(&rec);
		_RECORD *rv = _Records[index];
		if (rv) {
			if (rv->_value)
				return rv->_value;
			else
				return "";
		}
		else
			return nullptr;
	}
	inline char* operator[](int index) const
	{
		_RECORD *rv = _Records[index];
		if (rv) return rv->_value;
		else return nullptr;
	}
	inline char* getKeyName(int index)
	{
		_RECORD *rv = _Records[index];
		if (rv) return rv->_key;
		else return nullptr;
	}
	inline char* getUnOrdered(int index)
	{
		_RECORD *rec = _getUnorderedRec(index);
		if (rec) return rec->_value;
		else return nullptr;
	}
	inline char* getUnOrderedKeyName(int index)
	{
		_RECORD *rec = _getUnorderedRec(index);
		if (rec) return rec->_key;
		else return nullptr;
	}
	inline int getCount()
	{
		return _Records.getCount();
	}
	inline int removeUnOrdered(int index)
	{
		_RECORD *p = _getUnorderedRec(index);
		if (p) return _remove(p);
		else return 0;
	}
	inline int remove(int index)
	{
		_RECORD *p = _Records[index];
		if (p) return _remove(p);
		else return 0;
	}
	inline int getIndex(char *key)
	{
		_RECORD temp(key);
		return _Records.getIndex(&temp);
	}
};