mirror of https://github.com/djcb/mu.git
180 lines
5.0 KiB
C
180 lines
5.0 KiB
C
/*
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** Copyright (C) 2008-2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** 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 Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef __MU_MSG_FLAGS_H__
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#define __MU_MSG_FLAGS_H__
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#include <glib.h>
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G_BEGIN_DECLS
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/* the MU_MSG_FLAG_-flags are retrieved from the filename of
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* the message, as per the maildir spec:
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* http://cr.yp.to/proto/maildir.html not all (possibly not any) mail
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* clients respect this fully -- therefore, we map these flags to
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* MU_MSG_FLAG values.
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*
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* the other flags are determined from the contents of the
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* message. Note that these flags are far from orthogonal,
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* unfortunately.
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*
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*/
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enum _MuMsgFlags {
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MU_MSG_FLAG_NONE = 0,
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/* unlike the other MAILDIR flags, the NEW flag is not
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* determined by the file name but by the dir: if the message
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* is in the 'new' directory, it's considered... new */
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MU_MSG_FLAG_NEW = 1 << 0,
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/* "P"->resent,forwarded,bounced message */
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MU_MSG_FLAG_PASSED = 1 << 1,
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/* "R"->replied message */
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MU_MSG_FLAG_REPLIED = 1 << 2,
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/* "S"->seen message */
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MU_MSG_FLAG_SEEN = 1 << 3,
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/* "T"->trashed message */
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MU_MSG_FLAG_TRASHED = 1 << 4,
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/* "D"->draft message */
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MU_MSG_FLAG_DRAFT = 1 << 5,
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/* "F"->flagged message */
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MU_MSG_FLAG_FLAGGED = 1 << 6,
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/* "U"->unread message; it's a pseudo/convenience flag that
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* means (NEW or not SEEN) */
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MU_MSG_FLAG_UNREAD = 1 << 7,
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/* these we get from the contents */
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/* "Z"->signed message */
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MU_MSG_FLAG_SIGNED = 1 << 8,
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/* "X"->encrypted message */
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MU_MSG_FLAG_ENCRYPTED = 1 << 9,
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/* "A"->message has attachment */
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MU_MSG_FLAG_HAS_ATTACH = 1 << 10
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};
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typedef enum _MuMsgFlags MuMsgFlags;
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/**
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* convert the char-per-flag description into a MuMsgFlags value; the
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* characters
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* D=draft,F=flagged,N=new,P=passed,R=replied,S=seen,T=trashed
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* a=has-attachment,s=signed, x=encrypted if any other characters are
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* seen, MU_MSG_FLAG_UNKNOWN is returned.
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*
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* @param str a string
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*
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* @return a MuMSgFlags value, or MU_MSG_FLAG_UNKNOWN in case of error
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*/
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MuMsgFlags mu_msg_flags_from_str (const char* str) G_GNUC_PURE;
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/**
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* convert the char-per-flag description into a MuMsgFlags value
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*
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* @param c a character
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*
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* @return a MuMSgFlags value, or MU_MSG_FLAG_UNKNOWN in case of error
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*/
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MuMsgFlags mu_msg_flags_from_char (char c) G_GNUC_CONST;
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/**
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* convert the char-per-flag description into a MuMsgFlags value. The
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* difference is that with 'mu_msg_flags_from_char' is that this
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* function only cares about the chars that are part of the
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* Maildir-standard (ie., in files), and that is ignores unknown chars
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* (returns 0), rather than printing warnings
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*
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* @param c a character
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*
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* @return a MuMSgFlags value, or 0 if the char is not known as a
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* maildir char
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*/
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MuMsgFlags mu_msg_flag_from_file_char (char k) G_GNUC_CONST;
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/**
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* get a string for a given set of flags, OR'ed in
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* @param flags; one character per flag:
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* D=draft,F=flagged,N=new,P=passed,R=replied,S=seen,T=trashed
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* a=has-attachment,s=signed, x=encrypted
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*
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* mu_msg_flags_to_str_s returns a ptr to a static buffer, ie.,
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* ie, is not re-entrant. copy the string if needed.
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*
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* @param flags file flags
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*
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* @return a string representation of the flags
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*/
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const char* mu_msg_flags_str_s (MuMsgFlags flags) G_GNUC_CONST;
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/**
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* get the character for some msg flag, or 0 in case it's not found
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*
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* @param flags on specific flag (not OR'ed)
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*
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* @return the char for this flag, or 0 if not found
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*/
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char mu_msg_flag_char (MuMsgFlags flag) G_GNUC_CONST;
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/**
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* get a string describing this flag
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*
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* @param flag a single flag (not OR'ed)
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*
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* @return a string describing this flag, e.g.,
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* MU_MSG_FLAG_ATTACH=>"attach"
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*/
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const char* mu_msg_flag_name (MuMsgFlags flag) G_GNUC_CONST;
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typedef void (*MuMsgFlagsForeachFunc)
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(MuMsgFlags flag, gpointer user_data);
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/**
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* call a function for each available message flag
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*
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* @param func a function to call (callback)
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* @param user_data user pointer passed to the callback
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*/
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void mu_msg_flags_foreach (MuMsgFlagsForeachFunc func, gpointer user_data);
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/**
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* is the message flag a file flag? ie. encoded in the filename
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*
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* @param flag the flag to check; note, this should be a single flag
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* not some flags OR'ed together
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*
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* @return TRUE if it is a file flag, FALSE otherwise
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*/
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gboolean mu_msg_flags_is_file_flag (MuMsgFlags flag) G_GNUC_CONST;
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G_END_DECLS
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#endif /*__MU_MSG_FLAGS_H__*/
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