mirror of https://github.com/djcb/mu.git
324 lines
7.6 KiB
C
324 lines
7.6 KiB
C
/*
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** Copyright (C) 2011 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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#include <string.h>
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#include "mu-str.h"
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#include "mu-msg.h"
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#include "mu-msg-iter.h"
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#include "mu-msg-part.h"
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#include "mu-maildir.h"
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static void
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append_sexp_attr_list (GString *gstr, const char* elm, const GSList *lst)
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{
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const GSList *cur;
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if (!lst)
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return; /* empty list, don't include */
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g_string_append_printf (gstr, "\t:%s ( ", elm);
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for (cur = lst; cur; cur = g_slist_next(cur)) {
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char *str;
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str = mu_str_escape_c_literal
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((const gchar*)cur->data, TRUE);
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g_string_append_printf (gstr, "%s ", str);
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g_free (str);
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}
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g_string_append (gstr, ")\n");
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}
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static void
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append_sexp_attr (GString *gstr, const char* elm, const char *str)
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{
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gchar *esc;
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if (!str || strlen(str) == 0)
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return; /* empty: don't include */
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esc = mu_str_escape_c_literal (str, TRUE);
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g_string_append_printf (gstr, "\t:%s %s\n", elm, esc);
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g_free (esc);
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}
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struct _ContactData {
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gboolean from, to, cc, bcc;
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GString *gstr;
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MuMsgContactType prev_ctype;
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};
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typedef struct _ContactData ContactData;
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static gchar*
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get_name_addr_pair (MuMsgContact *c)
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{
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gchar *name, *addr, *pair;
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name = (char*)mu_msg_contact_name(c);
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addr = (char*)mu_msg_contact_address(c);
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name = name ? mu_str_escape_c_literal (name, TRUE) : NULL;
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addr = addr ? mu_str_escape_c_literal (addr, TRUE) : NULL;
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pair = g_strdup_printf ("(%s . %s)",
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name ? name : "nil",
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addr ? addr : "nil");
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g_free (name);
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g_free (addr);
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return pair;
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}
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static void
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add_prefix_maybe (GString *gstr, gboolean *field, const char *prefix)
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{
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/* if there's nothing in the field yet, add the prefix */
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if (!*field)
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g_string_append (gstr, prefix);
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*field = TRUE;
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}
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static gboolean
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each_contact (MuMsgContact *c, ContactData *cdata)
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{
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char *pair;
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MuMsgContactType ctype;
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ctype = mu_msg_contact_type (c);
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/* if the current type is not the previous type, close the
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* previous first */
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if (cdata->prev_ctype != ctype && cdata->prev_ctype != (unsigned)-1)
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g_string_append (cdata->gstr, ")\n");
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switch (ctype) {
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case MU_MSG_CONTACT_TYPE_FROM:
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add_prefix_maybe (cdata->gstr, &cdata->from, "\t:from (");
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break;
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case MU_MSG_CONTACT_TYPE_TO:
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add_prefix_maybe (cdata->gstr, &cdata->to, "\t:to (");
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break;
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case MU_MSG_CONTACT_TYPE_CC:
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add_prefix_maybe (cdata->gstr, &cdata->cc, "\t:cc (");
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break;
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case MU_MSG_CONTACT_TYPE_BCC:
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add_prefix_maybe (cdata->gstr, &cdata->bcc, "\t:bcc (");
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break;
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default: g_return_val_if_reached (FALSE);
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}
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cdata->prev_ctype = ctype;
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pair = get_name_addr_pair (c);
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g_string_append (cdata->gstr, pair);
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g_free (pair);
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return TRUE;
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}
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static void
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append_sexp_contacts (GString *gstr, MuMsg *msg)
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{
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ContactData cdata;
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cdata.from = cdata.to = cdata.cc = cdata.bcc = FALSE;
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cdata.gstr = gstr;
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cdata.prev_ctype = (unsigned)-1;
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mu_msg_contact_foreach (msg, (MuMsgContactForeachFunc)each_contact,
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&cdata);
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if (cdata.from || cdata.to || cdata.cc || cdata.bcc)
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gstr = g_string_append (gstr, ")\n");
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}
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struct _FlagData {
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char *flagstr;
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MuFlags msgflags;
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};
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typedef struct _FlagData FlagData;
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static void
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each_flag (MuFlags flag, FlagData *fdata)
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{
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if (!(flag & fdata->msgflags))
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return;
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if (!fdata->flagstr)
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fdata->flagstr = g_strdup (mu_flag_name(flag));
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else {
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gchar *tmp;
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tmp = g_strconcat (fdata->flagstr, " ",
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mu_flag_name(flag), NULL);
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g_free (fdata->flagstr);
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fdata->flagstr = tmp;
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}
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}
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static void
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append_sexp_flags (GString *gstr, MuMsg *msg)
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{
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FlagData fdata;
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fdata.msgflags = mu_msg_get_flags (msg);
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fdata.flagstr = NULL;
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mu_flags_foreach ((MuFlagsForeachFunc)each_flag, &fdata);
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if (fdata.flagstr)
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g_string_append_printf (gstr, "\t:flags (%s)\n",
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fdata.flagstr);
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g_free (fdata.flagstr);
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}
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static void
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each_part (MuMsg *msg, MuMsgPart *part, gchar **parts)
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{
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const char *fname;
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char *name;
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if (!mu_msg_part_looks_like_attachment (part, TRUE))
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return;
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fname = mu_msg_part_file_name (part);
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if (!fname)
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fname = mu_msg_part_description (part);
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if (fname)
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name = mu_str_escape_c_literal (fname, TRUE);
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else
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name = g_strdup_printf ("\"part-%d\"", part->index);
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*parts = g_strdup_printf
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("%s(:index %d :name %s :mime-type \"%s/%s\" :size %u)",
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*parts ? *parts : "", part->index, name,
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part->type ? part->type : "application",
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part->subtype ? part->subtype : "octet-stream",
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(unsigned)part->size);
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}
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static void
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append_sexp_attachments (GString *gstr, MuMsg *msg)
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{
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char *parts;
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parts = NULL;
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mu_msg_part_foreach (msg, FALSE,
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(MuMsgPartForeachFunc)each_part, &parts);
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if (parts)
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g_string_append_printf (gstr, "\t:attachments (%s)\n", parts);
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g_free (parts);
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}
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static void
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append_sexp_message_file_attr (GString *gstr, MuMsg *msg)
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{
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append_sexp_attachments (gstr, msg);
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append_sexp_attr (gstr, "reply-to",
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mu_msg_get_header (msg, "Reply-To"));
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append_sexp_attr_list (gstr, "references", mu_msg_get_references (msg));
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append_sexp_attr (gstr, "in-reply-to",
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mu_msg_get_header (msg, "In-Reply-To"));
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append_sexp_attr (gstr, "body-txt",
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mu_msg_get_body_text(msg));
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append_sexp_attr (gstr, "body-html",
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mu_msg_get_body_html(msg));
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}
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static void
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append_sexp_thread_info (GString *gstr, const MuMsgIterThreadInfo *ti)
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{
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g_string_append_printf
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(gstr, "\t:thread (:path \"%s\":level %u%s%s%s%s)\n",
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ti->threadpath,
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ti->level,
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ti->prop & MU_MSG_ITER_THREAD_PROP_FIRST_CHILD ?
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" :first-child t" : "",
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ti->prop & MU_MSG_ITER_THREAD_PROP_EMPTY_PARENT ?
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" :empty-parent t" : "",
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ti->prop & MU_MSG_ITER_THREAD_PROP_DUP ?
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" :duplicate t" : "",
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ti->prop & MU_MSG_ITER_THREAD_PROP_HAS_CHILD ?
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" :has-child t" : "");
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}
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char*
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mu_msg_to_sexp (MuMsg *msg, unsigned docid, const MuMsgIterThreadInfo *ti,
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gboolean header)
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{
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GString *gstr;
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time_t t;
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gstr = g_string_sized_new (header ? 1024 : 8192);
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g_string_append (gstr, "(\n");
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if (docid != 0)
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g_string_append_printf (gstr, "\t:docid %u\n", docid);
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append_sexp_contacts (gstr, msg);
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if (ti)
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append_sexp_thread_info (gstr, ti);
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append_sexp_attr (gstr, "subject", mu_msg_get_subject (msg));
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t = mu_msg_get_date (msg);
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/* weird time format for emacs 29-bit ints...*/
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g_string_append_printf (gstr,
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"\t:date (%u %u 0)\n", (unsigned)(t >> 16),
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(unsigned)(t & 0xffff));
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g_string_append_printf (gstr, "\t:size %u\n",
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(unsigned) mu_msg_get_size (msg));
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append_sexp_attr (gstr, "message-id", mu_msg_get_msgid (msg));
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append_sexp_attr (gstr, "path", mu_msg_get_path (msg));
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append_sexp_attr (gstr, "maildir", mu_msg_get_maildir (msg));
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g_string_append_printf (gstr, "\t:priority %s\n",
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mu_msg_prio_name(mu_msg_get_prio(msg)));
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append_sexp_flags (gstr, msg);
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/* headers are retrieved from the database, views from the message file
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*
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* file attr things can only be gotten from the file (ie., mu
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* view), not from the database (mu find). */
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if (!header)
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append_sexp_message_file_attr (gstr, msg);
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g_string_append (gstr, ")\n");
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return g_string_free (gstr, FALSE);
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}
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