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