/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


#ifndef __nsMsgSearchTerm_h
#define __nsMsgSearchTerm_h
//---------------------------------------------------------------------------
// nsMsgSearchTerm specifies one criterion, e.g. name contains phil
//---------------------------------------------------------------------------
#include "nsIMsgSearchSession.h"
#include "nsIMsgSearchScopeTerm.h"
#include "nsIMsgSearchTerm.h"
#include "nsIMsgSearchCustomTerm.h"

// needed to search for addresses in address books
#include "nsIAbDirectory.h"

#define EMPTY_MESSAGE_LINE(buf) (buf[0] == '\r' || buf[0] == '\n' || buf[0] == '\0')

class nsMsgSearchTerm : public nsIMsgSearchTerm
{
public:
  nsMsgSearchTerm();
  nsMsgSearchTerm (nsMsgSearchAttribValue, nsMsgSearchOpValue, nsIMsgSearchValue *, nsMsgSearchBooleanOperator, const char * arbitraryHeader);

  virtual ~nsMsgSearchTerm ();

    NS_DECL_ISUPPORTS
    NS_DECL_NSIMSGSEARCHTERM

  nsresult DeStream (char *, PRInt16 length);
  nsresult DeStreamNew (char *, PRInt16 length);

  nsresult GetLocalTimes (PRTime, PRTime, PRExplodedTime &, PRExplodedTime &);

  PRBool IsBooleanOpAND() { return m_booleanOp == nsMsgSearchBooleanOp::BooleanAND ? PR_TRUE : PR_FALSE;}
  nsMsgSearchBooleanOperator GetBooleanOp() {return m_booleanOp;}
  // maybe should return nsString &   ??
  const char * GetArbitraryHeader() {return m_arbitraryHeader.get();}

  static char *  EscapeQuotesInStr(const char *str);

  nsCOMPtr<nsIMsgHeaderParser> m_headerAddressParser;

  nsMsgSearchAttribValue m_attribute;
  nsMsgSearchOpValue m_operator;
  nsMsgSearchValue m_value;

  // boolean operator to be applied to this search term and the search term which precedes it.
  nsMsgSearchBooleanOperator m_booleanOp;

  // user specified string for the name of the arbitrary header to be used in the search
  // only has a value when m_attribute = OtherHeader!!!!
  nsCString m_arbitraryHeader;

  // db hdr property name to use - used when m_attribute = HdrProperty.
  nsCString m_hdrProperty;
  PRBool m_matchAll; // does this term match all headers?
  nsCString m_customId; // id of custom search term

protected:
  nsresult MatchString (const char *stringToMatch, const char *charset,
                          PRBool *pResult);
  nsresult OutputValue(nsCString &outputStr);
  nsresult ParseAttribute(char *inStream, nsMsgSearchAttribValue *attrib);
  nsresult ParseOperator(char *inStream, nsMsgSearchOpValue *value);
  nsresult ParseValue(char *inStream);
  nsresult InitHeaderAddressParser();
  /**
   * Switch a string to lower case, except for special database rows
   * that are not headers, but could be headers
   *
   * @param aValue  the string to switch
   */
  void ToLowerCaseExceptSpecials(nsACString &aValue);
    nsresult InitializeAddressBook();
    nsresult MatchInAddressBook(const char * aAddress, PRBool *pResult);
    // fields used by search in address book
    nsCOMPtr <nsIAbDirectory> mDirectory;

    PRPackedBool mBeginsGrouping;
    PRPackedBool mEndsGrouping;
};

#endif
