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496 lines
17 KiB
496 lines
17 KiB
/*
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* kmail: KDE mail client
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* Copyright (c) 1996-1998 Stefan Taferner <taferner@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef kmmsgbase_h
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#define kmmsgbase_h
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// for large file support flags
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#include <config.h>
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#include <sys/types.h>
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#include <tqstring.h>
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#include <time.h>
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class TQCString;
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class TQStringList;
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class TQTextCodec;
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class KMFolder;
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class KMFolderIndex;
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/** The new status format. These can be or'd together.
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Note, that the KMMsgStatusIgnored implies the
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status to be Read even if the flags are set
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to Unread or New. This is done in KMMsgBase::isRead()
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and related getters. So we can preserve the state
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when switching a thread to Ignored and back. */
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enum MsgtqStatus
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{
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KMMsgStatusUnknown = 0x00000000,
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KMMsgStatusNew = 0x00000001,
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KMMsgStatusUnread = 0x00000002,
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KMMsgStatusRead = 0x00000004,
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KMMsgStatusOld = 0x00000008,
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KMMsgStatusDeleted = 0x00000010,
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KMMsgStatusReplied = 0x00000020,
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KMMsgStatusForwarded = 0x00000040,
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KMMsgStatusQueued = 0x00000080,
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KMMsgStatusSent = 0x00000100,
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KMMsgStatusFlag = 0x00000200, // flag means important
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KMMsgStatusWatched = 0x00000400,
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KMMsgStatusIgnored = 0x00000800, // forces isRead()
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KMMsgStatusTodo = 0x00001000,
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KMMsgStatusSpam = 0x00002000,
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KMMsgStatusHam = 0x00004000,
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KMMsgStatusHasAttach = 0x00008000,
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KMMsgStatusHasNoAttach = 0x00010000,
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KMMsgStatusHasInvitation = 0x00020000,
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KMMsgStatusHasNoInvitation = 0x00040000
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};
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typedef uint KMMsgtqStatus;
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/** The old status format, only one at a time possible. Needed
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for upgrade path purposes. */
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typedef enum
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{
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KMLegacyMsgStatusUnknown=' ',
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KMLegacyMsgStatusNew='N',
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KMLegacyMsgStatusUnread='U',
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KMLegacyMsgStatusRead='R',
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KMLegacyMsgStatusOld='O',
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KMLegacyMsgStatusDeleted='D',
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KMLegacyMsgStatusReplied='A',
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KMLegacyMsgStatusForwarded='F',
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KMLegacyMsgStatusQueued='Q',
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KMLegacyMsgStatusSent='S',
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KMLegacyMsgStatusFlag='G'
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} KMLegacyMsgtqStatus;
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/** Flags for the encryption state. */
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typedef enum
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{
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KMMsgEncryptionStateUnknown=' ',
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KMMsgNotEncrypted='N',
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KMMsgPartiallyEncrypted='P',
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KMMsgFullyEncrypted='F',
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KMMsgEncryptionProblematic='X'
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} KMMsgEncryptionState;
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/** Flags for the signature state. */
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typedef enum
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{
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KMMsgSignatureStateUnknown=' ',
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KMMsgNotSigned='N',
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KMMsgPartiallySigned='P',
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KMMsgFullySigned='F',
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KMMsgSignatureProblematic='X'
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} KMMsgSignatureState;
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/** Flags for the "MDN sent" state. */
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typedef enum
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{
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KMMsgMDNStateUnknown = ' ',
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KMMsgMDNNone = 'N',
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KMMsgMDNIgnore = 'I',
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KMMsgMDNDisplayed = 'R',
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KMMsgMDNDeleted = 'D',
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KMMsgMDNDispatched = 'F',
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KMMsgMDNProcessed = 'P',
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KMMsgMDNDenied = 'X',
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KMMsgMDNFailed = 'E'
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} KMMsgMDNSentState;
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/** Flags for the drag and drop action. */
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typedef enum
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{
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KMMsgDnDActionMOVE=0,
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KMMsgDnDActionCOPY=1,
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KMMsgDnDActionASK=2
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} KMMsgDnDAction;
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/** Flags for attachment state */
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typedef enum
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{
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KMMsgHasAttachment,
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KMMsgHasNoAttachment,
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KMMsgAttachmentUnknown
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} KMMsgAttachmentState;
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/** Flags for invitation state */
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typedef enum
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{
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KMMsgHasInvitation,
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KMMsgHasNoInvitation,
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KMMsgInvitationUnknown
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} KMMsgInvitationState;
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class KMMsgBase
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{
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public:
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KMMsgBase(KMFolder* p=0);
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virtual ~KMMsgBase();
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/** Return owning storage. */
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KMFolderIndex* storage() const;
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/** Return owning folder. */
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KMFolder* tqparent() const { return mParent; }
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/** Set owning folder. */
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void setParent(KMFolder* p) { mParent = p; }
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/** Convert the given message status to a string. */
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static TQCString statusToStr(const KMMsgtqStatus status);
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/** Convert the given message status to a string. */
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TQString statusToSortRank();
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/** Returns TRUE if object is a real message (not KMMsgInfo or KMMsgBase) */
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virtual bool isMessage(void) const;
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/** Returns TRUE if status unread. Note that new messages are not unread.*/
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virtual bool isUnread(void) const;
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/** Returns TRUE if status is new. */
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virtual bool isNew(void) const;
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/** Returns TRUE if status is unknown. */
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virtual bool isOfUnknowntqStatus(void) const;
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/** Returns TRUE if status is old. */
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virtual bool isOld(void) const;
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/** Returns TRUE if status is read. */
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virtual bool isRead(void) const;
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/** Returns TRUE if status is deleted. */
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virtual bool isDeleted(void) const;
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/** Returns TRUE if status is replied. */
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virtual bool isReplied(void) const;
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/** Returns TRUE if status is forwarded. */
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virtual bool isForwarded(void) const;
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/** Returns TRUE if status is queued. */
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virtual bool isQueued(void) const;
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/** Returns TRUE if status is todo flaged. */
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virtual bool isTodo(void) const;
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/** Returns TRUE if status is sent. */
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virtual bool isSent(void) const;
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/** Returns TRUE if status is important. */
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virtual bool isImportant(void) const;
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/** Returns TRUE if status is watched. */
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virtual bool isWatched(void) const;
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/** Returns TRUE if status is ignored. */
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virtual bool isIgnored(void) const;
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/** Returns TRUE if status is spam. */
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virtual bool isSpam(void) const;
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/** Returns TRUE if status is not spam. */
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virtual bool isHam(void) const;
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/** tqStatus of the message. */
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virtual KMMsgtqStatus status(void) const = 0;
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/** Set status and mark dirty. Optional optimization: @p idx may
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* specify the index of this message within the tqparent folder. */
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virtual void setqStatus(const KMMsgtqStatus status, int idx = -1);
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virtual void toggletqStatus(const KMMsgtqStatus status, int idx = -1);
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virtual void setqStatus(const char* statusField, const char* xstatusField=0);
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/** Encryption status of the message. */
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virtual KMMsgEncryptionState encryptionState() const = 0;
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/** Signature status of the message. */
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virtual KMMsgSignatureState signatureState() const = 0;
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/** "MDN send" status of the message. */
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virtual KMMsgMDNSentState mdnSentState() const = 0;
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/** Set "MDN sent" status of the message. */
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virtual void setMDNSentState( KMMsgMDNSentState status, int idx=-1 );
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/** Set encryption status of the message and mark dirty. Optional
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* optimization: @p idx may specify the index of this message within
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* the tqparent folder. */
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virtual void setEncryptionState(const KMMsgEncryptionState, int idx = -1);
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/** Set signature status of the message and mark dirty. Optional
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* optimization: @p idx may specify the index of this message within
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* the tqparent folder. */
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virtual void setSignatureState(const KMMsgSignatureState, int idx = -1);
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/** Set encryption status of the message and mark dirty. Optional
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* optimization: @p idx may specify the index of this message within
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* the tqparent folder. */
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virtual void setEncryptionStateChar( TQChar status, int idx = -1 );
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/** Set signature status of the message and mark dirty. Optional
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* optimization: @p idx may specify the index of this message within
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* the tqparent folder. */
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virtual void setSignatureStateChar( TQChar status, int idx = -1 );
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/** Important header fields of the message that are also kept in the index. */
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virtual TQString subject(void) const = 0;
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virtual TQString fromStrip(void) const = 0;
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virtual TQString from() const = 0;
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virtual TQString toStrip(void) const = 0;
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virtual TQString to() const = 0;
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virtual TQString replyToIdMD5(void) const = 0;
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virtual TQString msgIdMD5(void) const = 0;
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virtual TQString replyToAuxIdMD5() const = 0;
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virtual TQString strippedSubjectMD5() const = 0;
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virtual bool subjectIsPrefixed() const = 0;
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virtual time_t date(void) const = 0;
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virtual TQString dateStr(void) const;
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virtual TQString xmark(void) const = 0;
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/** Set date. */
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virtual void setDate(const TQCString &aStrDate);
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virtual void setDate(time_t aUnixTime) = 0;
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/** Returns TRUE if changed since last folder-sync. */
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virtual bool dirty(void) const { return mDirty; }
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/** Change dirty flag. */
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void setDirty(bool b) { mDirty = b; }
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/** Set subject/from/date and xmark. */
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virtual void setSubject(const TQString&) = 0;
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virtual void setXMark(const TQString&) = 0;
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/** Calculate strippedSubject */
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virtual void initStrippedSubjectMD5() = 0;
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/** Return contents as index string. This string is of indexStringLength() size */
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const uchar *asIndexString(int &len) const;
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/** Get/set offset in mail folder. */
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virtual off_t folderOffset(void) const = 0;
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virtual void setFolderOffset(off_t offs) = 0;
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/** Get/set msg filename */
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virtual TQString fileName(void) const = 0;
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virtual void setFileName(const TQString& filename) = 0;
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/** Get/set size of message including the whole header in bytes. */
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virtual size_t msgSize(void) const = 0;
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virtual void setMsgSize(size_t sz) = 0;
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/** Get/set size of message on server */
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virtual size_t msgSizeServer(void) const = 0;
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virtual void setMsgSizeServer(size_t sz) = 0;
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/** Get/set UID for IMAP */
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virtual ulong UID(void) const = 0;
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virtual void setUID(ulong uid) = 0;
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/** offset into index file */
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virtual void setIndexOffset(off_t off) { mIndexOffset = off; }
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virtual off_t indexOffset() const { return mIndexOffset; }
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/** size in index file */
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virtual void setIndexLength(short len) { mIndexLength = len; }
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virtual short indexLength() const { return mIndexLength; }
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/** Skip leading keyword if keyword has given character at it's end
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* (e.g. ':' or ',') and skip the then following blanks (if any) too.
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* If keywordFound is specified it will be TRUE if a keyword was skipped
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* and FALSE otherwise. */
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static TQString skipKeyword(const TQString& str, TQChar sepChar=':',
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bool* keywordFound=0);
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/** Return a TQTextCodec for the specified charset.
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* This function is a bit more tolerant, than TQTextCodec::codecForName */
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static const TQTextCodec* codecForName(const TQCString& _str);
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/** Convert all non-ascii characters to question marks
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* If ok is non-null, *ok will be set to true if all characters
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* where ascii, *ok will be set to false otherwise */
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static TQCString toUsAscii(const TQString& _str, bool *ok=0);
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/** Return a list of the supported encodings */
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static TQStringList supportedEncodings(bool usAscii);
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/** Copy all values from other to this object. */
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void assign(const KMMsgBase* other);
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/** Assignment operator that simply calls assign(). */
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KMMsgBase& operator=(const KMMsgBase& other);
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/** Copy constructor that simply calls assign(). */
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KMMsgBase( const KMMsgBase& other );
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/** Helper function for encodeRFC2047String */
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static TQCString encodeRFC2047Quoted(const TQCString& aStr, bool base64);
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/** This function handles both encodings described in RFC2047:
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Base64 ("=?iso-8859-1?b?...?=") and quoted-printable */
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static TQString decodeRFC2047String(const TQCString& aStr, const TQCString prefCharset = "");
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/** Encode given string as described in RFC2047:
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using quoted-printable. */
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static TQCString encodeRFC2047String(const TQString& aStr,
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const TQCString& charset);
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/** Encode given string as described in RFC2231
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(parameters in MIME headers) */
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static TQCString encodeRFC2231String(const TQString& aStr,
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const TQCString& charset);
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/**
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* Just like encodeRFC2231String, only that the encoding is auto-detected.
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* @param defaultCharset If given, this will be the prefered charset
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*/
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static TQCString encodeRFC2231StringAutoDetectCharset( const TQString &str,
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const TQCString &defaultCharset = "" );
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/** Decode given string as described in RFC2231 */
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static TQString decodeRFC2231String(const TQCString& aStr);
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/** Extract a given param from the RFC2231-encoded header field, in particular
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concatenate possibly multiple entries, which are given as paramname*0=..;
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paramname*1=..; ... or paramname*0*=..; paramname*1*=..; ... and return
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their value as one string. That string will still be encoded */
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static TQCString extractRFC2231HeaderField( const TQCString &aStr, const TQCString &field );
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/** Calculate the base64 encoded md5sum (sans the trailing equal
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signs). If @p utf8 is false, uses TQString::latin1() to calculate
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the md5sum of, else uses TQString::utf8() */
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static TQString base64EncodedMD5( const TQString & aStr, bool utf8=false );
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static TQString base64EncodedMD5( const TQCString & aStr );
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static TQString base64EncodedMD5( const char * aStr, int len=-1 );
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/**
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* Find out preferred charset for 'text'.
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* First @p encoding is tried and if that one is not suitable,
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* the encodings in @p encodingList are tried.
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*/
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static TQCString autoDetectCharset(const TQCString &encoding, const TQStringList &encodingList, const TQString &text);
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/** Returns the message serial number for the message. */
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virtual unsigned long getMsgSerNum() const;
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/** If undo for this message should be enabled */
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virtual bool enableUndo() { return mEnableUndo; }
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virtual void setEnableUndo( bool enable ) { mEnableUndo = enable; }
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/** Return if the message has at least one attachment */
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virtual KMMsgAttachmentState attachmentState() const;
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/** Return if the message contains an invitation */
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virtual KMMsgInvitationState invitationState() const;
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/** Check for prefixes @p prefixRegExps in @p str. If none
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is found, @p newPrefix + ' ' is prepended to @p str and the
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resulting string is returned. If @p replace is true, any
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sequence of whitespace-delimited prefixes at the beginning of
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@p str is replaced by @p newPrefix.
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**/
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static TQString replacePrefixes( const TQString& str,
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const TQStringList& prefixRegExps,
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bool tqreplace,
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const TQString& newPrefix );
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/** Returns @p str with all "forward" and "reply" prefixes stripped off.
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**/
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static TQString stripOffPrefixes( const TQString& str );
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/** Check for prefixes @p prefixRegExps in #subject(). If none
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is found, @p newPrefix + ' ' is prepended to the subject and the
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resulting string is returned. If @p replace is true, any
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sequence of whitespace-delimited prefixes at the beginning of
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#subject() is replaced by @p newPrefix
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**/
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TQString cleanSubject(const TQStringList& prefixRegExps, bool tqreplace,
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const TQString& newPrefix) const;
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/** Return this mails subject, with all "forward" and "reply"
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prefixes removed */
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TQString cleanSubject() const;
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/** Return this mails subject, formatted for "forward" mails */
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TQString forwardSubject() const;
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/** Return this mails subject, formatted for "reply" mails */
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TQString replySubject() const;
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/** Reads config settings from group "Composer" and sets all internal
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* variables (e.g. indent-prefix, etc.) */
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static void readConfig();
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protected:
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KMFolder* mParent;
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off_t mIndexOffset;
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short mIndexLength;
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bool mDirty;
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bool mEnableUndo;
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mutable KMMsgtqStatus mtqStatus;
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// This is kept to provide an upgrade path from the the old single status
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// to the new multiple status scheme.
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mutable KMLegacyMsgtqStatus mLegacytqStatus;
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public:
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enum MsgPartType
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{
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MsgNoPart = 0,
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//tqunicode strings
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MsgFromStripPart = 1,
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MsgSubjectPart = 2,
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MsgToStripPart = 3,
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MsgReplyToIdMD5Part = 4,
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MsgIdMD5Part = 5,
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MsgXMarkPart = 6,
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//unsigned long
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MsgOffsetPart = 7,
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MsgLegacyStatusPart = 8,
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MsgSizePart = 9,
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MsgDatePart = 10,
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MsgFilePart = 11,
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MsgCryptoStatePart = 12,
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MsgMDNSentPart = 13,
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//another two tqunicode strings
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MsgReplyToAuxIdMD5Part = 14,
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MsgStrippedSubjectMD5Part = 15,
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// and another unsigned long
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MsgStatusPart = 16,
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MsgSizeServerPart = 17,
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MsgUIDPart = 18,
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MsgToPart = 19,
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MsgFromPart = 20
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};
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/** access to long msgparts */
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off_t getLongPart(MsgPartType) const;
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/** access to string msgparts */
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TQString getStringPart(MsgPartType) const;
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/** sync'ing just one KMMsgBase */
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bool syncIndexString() const;
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};
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#endif /*kmmsgbase_h*/
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