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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _nsMsgLocalSearch_H
#define _nsMsgLocalSearch_H

// inherit interface here
#include "mozilla/Attributes.h"
#include "nsIMsgSearchAdapter.h"
#include "nsIUrlListener.h"

// inherit base implementation
#include "nsMsgSearchAdapter.h"
#include "nsISimpleEnumerator.h"


class nsIMsgDBHdr;
class nsIMsgSearchScopeTerm;
class nsIMsgFolder;
class nsMsgSearchBoolExpression;

class nsMsgSearchOfflineMail : public nsMsgSearchAdapter, public nsIUrlListener
{
public:
  nsMsgSearchOfflineMail (nsIMsgSearchScopeTerm*, nsISupportsArray *);

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_NSIURLLISTENER

  NS_IMETHOD ValidateTerms () override;
  NS_IMETHOD Search (bool *aDone) override;
  NS_IMETHOD Abort () override;
  NS_IMETHOD AddResultElement (nsIMsgDBHdr *) override;

  static nsresult  MatchTermsForFilter(nsIMsgDBHdr * msgToMatch,
                                         nsISupportsArray *termList,
                                         const char *defaultCharset,
                                         nsIMsgSearchScopeTerm *scope,
                                         nsIMsgDatabase * db,
                                         const char * headers,
                                         uint32_t headerSize,
                                         nsMsgSearchBoolExpression ** aExpressionTree,
                     bool *pResult);

  static nsresult MatchTermsForSearch(nsIMsgDBHdr * msgTomatch,
                                      nsISupportsArray * termList,
                                      const char *defaultCharset,
                                      nsIMsgSearchScopeTerm *scope,
                                      nsIMsgDatabase *db,
                                      nsMsgSearchBoolExpression ** aExpressionTree,
 bool *pResult);

  virtual nsresult OpenSummaryFile ();

     static nsresult ProcessSearchTerm(nsIMsgDBHdr *msgToMatch,
                               nsIMsgSearchTerm * aTerm,
                               const char *defaultCharset,
                               nsIMsgSearchScopeTerm * scope,
                               nsIMsgDatabase * db,
                               const char * headers,
                               uint32_t headerSize,
                               bool Filtering,
                 bool *pResult);
protected:
  virtual ~nsMsgSearchOfflineMail();
  static nsresult MatchTerms(nsIMsgDBHdr *msgToMatch,
                                nsISupportsArray *termList,
                                const char *defaultCharset,
                                nsIMsgSearchScopeTerm *scope,
                                nsIMsgDatabase * db,
                                const char * headers,
                                uint32_t headerSize,
                                bool ForFilters,
                                nsMsgSearchBoolExpression ** aExpressionTree,
                bool *pResult);

    static nsresult ConstructExpressionTree(nsISupportsArray * termList,
                                      uint32_t termCount,
                                      uint32_t &aStartPosInList,
                                      nsMsgSearchBoolExpression ** aExpressionTree);

  nsCOMPtr <nsIMsgDatabase> m_db;
  nsCOMPtr<nsISimpleEnumerator> m_listContext;
  void CleanUpScope();
};


class nsMsgSearchOfflineNews : public nsMsgSearchOfflineMail
{
public:
  nsMsgSearchOfflineNews (nsIMsgSearchScopeTerm*, nsISupportsArray *);
  virtual ~nsMsgSearchOfflineNews ();
  NS_IMETHOD ValidateTerms () override;

  virtual nsresult OpenSummaryFile () override;
};



#endif