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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
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 * 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
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 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
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 * 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
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#ifndef _NSMSGUTILS_H
#define _NSMSGUTILS_H

#include "nsIURL.h"
#include "nsString.h"
#include "nsIEnumerator.h"
#include "msgCore.h"
#include "nsCOMPtr.h"
#include "MailNewsTypes2.h"

class nsIFileSpec;
class nsILocalFile;
class nsIPrefBranch;
class nsIMsgFolder;
class nsIMsgMessageService;
class nsIUrlListener;

//These are utility functions that can used throughout the mailnews code

NS_MSG_BASE nsresult GetMessageServiceContractIDForURI(const char *uri, nsCString &contractID);

NS_MSG_BASE nsresult GetMessageServiceFromURI(const char *uri, nsIMsgMessageService **aMessageService);

NS_MSG_BASE nsresult GetMsgDBHdrFromURI(const char *uri, nsIMsgDBHdr **msgHdr);

NS_MSG_BASE nsresult CreateStartupUrl(const char *uri, nsIURI** aUrl);

NS_MSG_BASE nsresult NS_MsgGetPriorityFromString(const char *priority, nsMsgPriorityValue *outPriority);

NS_MSG_BASE nsresult NS_MsgGetUntranslatedPriorityName (nsMsgPriorityValue p, nsString *outName);

NS_MSG_BASE nsresult NS_MsgHashIfNecessary(nsAutoString &name);
NS_MSG_BASE nsresult NS_MsgHashIfNecessary(nsCAutoString &name);

NS_MSG_BASE nsresult NS_MsgCreatePathStringFromFolderURI(const char *aFolderURI, 
                                                         nsCString& aPathString,
                                                         PRBool aIsNewsFolder=PR_FALSE);

NS_MSG_BASE PRBool NS_MsgStripRE(const char **stringP, PRUint32 *lengthP, char **modifiedSubject=nsnull);

NS_MSG_BASE char * NS_MsgSACopy(char **destination, const char *source);

NS_MSG_BASE char * NS_MsgSACat(char **destination, const char *source);

NS_MSG_BASE nsresult NS_MsgEscapeEncodeURLPath(const nsAString& aStr,
                                               nsAFlatCString& aResult);

NS_MSG_BASE nsresult NS_MsgDecodeUnescapeURLPath(const nsACString& aPath,
                                                 nsAString& aResult);

NS_MSG_BASE PRBool WeAreOffline();

// Check if a folder with aFolderUri exists
NS_MSG_BASE nsresult GetExistingFolder(const char *aFolderURI, nsIMsgFolder **aFolder);

// Escape lines starting with "From ", ">From ", etc. in a buffer.
NS_MSG_BASE nsresult EscapeFromSpaceLine(nsIFileSpec *pDst, char *start, const char *end);
NS_MSG_BASE PRBool IsAFromSpaceLine(char *start, const char *end);

NS_MSG_BASE nsresult NS_GetPersistentFile(const char *relPrefName,
                                          const char *absPrefName,
                                          const char *dirServiceProp, // Can be NULL
                                          PRBool& gotRelPref,
                                          nsILocalFile **aFile);

NS_MSG_BASE nsresult NS_SetPersistentFile(const char *relPrefName,
                                          const char *absPrefName,
                                          nsILocalFile *aFile);

NS_MSG_BASE nsresult CreateServicesForPasswordManager();

NS_MSG_BASE nsresult IsRFC822HeaderFieldName(const char *aHdr, PRBool *aResult);

NS_MSG_BASE nsresult NS_GetUnicharPreferenceWithDefault(nsIPrefBranch *prefBranch,   //can be null, if so uses the root branch
                                                        const char *prefName,
                                                        const nsString& defValue,
                                                        nsString& prefValue);
 
NS_MSG_BASE nsresult NS_GetLocalizedUnicharPreferenceWithDefault(nsIPrefBranch *prefBranch,   //can be null, if so uses the root branch
                                                                 const char *prefName,
                                                                 const nsString& defValue,
                                                                 nsXPIDLString& prefValue);

  /**
   * this needs a listener, because we might have to create the folder
   * on the server, and that is asynchronous
   */
NS_MSG_BASE nsresult GetOrCreateFolder(const nsACString & aURI, nsIUrlListener *aListener);

// Returns true if the nsIURI is a message under an RSS account
NS_MSG_BASE nsresult IsRSSArticle(nsIURI * aMsgURI, PRBool *aIsRSSArticle);

// digest needs to be a pointer to a 16 byte buffer
#define DIGEST_LENGTH 16

NS_MSG_BASE nsresult MSGCramMD5(const char *text, PRInt32 text_len, const char *key, PRInt32 key_len, unsigned char *digest);
NS_MSG_BASE nsresult MSGApopMD5(const char *text, PRInt32 text_len, const char *password, PRInt32 password_len, unsigned char *digest);

// helper functions to convert a 64bits PRTime into a 32bits value (compatible time_t) and vice versa.
NS_MSG_BASE void PRTime2Seconds(PRTime prTime, PRUint32 *seconds);
NS_MSG_BASE void PRTime2Seconds(PRTime prTime, PRInt32 *seconds);
NS_MSG_BASE void Seconds2PRTime(PRUint32 seconds, PRTime *prTime);

#endif

