mirror of
https://github.com/djcb/mu.git
synced 2024-06-27 07:35:16 +02:00
ebc9b88f80
Update to the new API.
600 lines
16 KiB
C++
600 lines
16 KiB
C++
/*
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** Copyright (C) 2011-2021 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 "mu-guile-message.hh"
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#include <config.h>
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#include <glib-object.h>
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wredundant-decls"
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#include <libguile.h>
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#pragma GCC diagnostic pop
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#include "mu-guile.hh"
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#include <mu-runtime.hh>
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#include <mu-store.hh>
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#include <mu-query.hh>
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#include <mu-msg.hh>
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#include <mu-msg-part.hh>
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using namespace Mu;
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/* pseudo field, not in Xapian */
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#define MU_GUILE_MSG_FIELD_ID_TIMESTAMP (MU_MSG_FIELD_ID_NUM + 1)
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/* some symbols */
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static SCM SYMB_PRIO_LOW, SYMB_PRIO_NORMAL, SYMB_PRIO_HIGH;
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static SCM SYMB_FLAG_NEW, SYMB_FLAG_PASSED, SYMB_FLAG_REPLIED, SYMB_FLAG_SEEN, SYMB_FLAG_TRASHED,
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SYMB_FLAG_DRAFT, SYMB_FLAG_FLAGGED, SYMB_FLAG_SIGNED, SYMB_FLAG_ENCRYPTED, SYMB_FLAG_HAS_ATTACH,
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SYMB_FLAG_UNREAD, SYMB_FLAG_LIST;
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static SCM SYMB_CONTACT_TO, SYMB_CONTACT_CC, SYMB_CONTACT_BCC, SYMB_CONTACT_FROM;
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struct _MuMsgWrapper {
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MuMsg* _msg;
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gboolean _unrefme;
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};
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typedef struct _MuMsgWrapper MuMsgWrapper;
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static long MSG_TAG;
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static gboolean
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mu_guile_scm_is_msg(SCM scm)
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{
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return SCM_NIMP(scm) && (long)SCM_CAR(scm) == MSG_TAG;
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}
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SCM
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mu_guile_msg_to_scm(MuMsg* msg)
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{
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MuMsgWrapper* msgwrap;
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g_return_val_if_fail(msg, SCM_UNDEFINED);
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msgwrap = (MuMsgWrapper*)scm_gc_malloc(sizeof(MuMsgWrapper), "msg");
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msgwrap->_msg = msg;
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msgwrap->_unrefme = FALSE;
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SCM_RETURN_NEWSMOB(MSG_TAG, msgwrap);
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}
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struct _FlagData {
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MuFlags flags;
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SCM lst;
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};
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typedef struct _FlagData FlagData;
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#define MU_GUILE_INITIALIZED_OR_ERROR \
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do { \
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if (!(mu_guile_initialized())) { \
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mu_guile_error(FUNC_NAME, \
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0, \
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"mu not initialized; call mu:initialize", \
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SCM_UNDEFINED); \
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return SCM_UNSPECIFIED; \
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} \
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} while (0)
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static void
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check_flag(MuFlags flag, FlagData* fdata)
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{
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SCM flag_scm;
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if (!(fdata->flags & flag))
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return;
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switch (flag) {
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case MU_FLAG_NONE: flag_scm = SCM_UNDEFINED; break;
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case MU_FLAG_NEW: flag_scm = SYMB_FLAG_NEW; break;
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case MU_FLAG_PASSED: flag_scm = SYMB_FLAG_PASSED; break;
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case MU_FLAG_REPLIED: flag_scm = SYMB_FLAG_REPLIED; break;
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case MU_FLAG_SEEN: flag_scm = SYMB_FLAG_SEEN; break;
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case MU_FLAG_TRASHED: flag_scm = SYMB_FLAG_TRASHED; break;
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case MU_FLAG_SIGNED: flag_scm = SYMB_FLAG_SIGNED; break;
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case MU_FLAG_DRAFT: flag_scm = SYMB_FLAG_DRAFT; break;
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case MU_FLAG_FLAGGED: flag_scm = SYMB_FLAG_FLAGGED; break;
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case MU_FLAG_ENCRYPTED: flag_scm = SYMB_FLAG_ENCRYPTED; break;
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case MU_FLAG_HAS_ATTACH: flag_scm = SYMB_FLAG_HAS_ATTACH; break;
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case MU_FLAG_UNREAD: flag_scm = SYMB_FLAG_UNREAD; break;
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case MU_FLAG_LIST: flag_scm = SYMB_FLAG_LIST; break;
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default: flag_scm = SCM_UNDEFINED;
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}
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fdata->lst = scm_append_x(scm_list_2(fdata->lst, scm_list_1(flag_scm)));
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}
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static SCM
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get_flags_scm(MuMsg* msg)
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{
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FlagData fdata;
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fdata.flags = mu_msg_get_flags(msg);
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fdata.lst = SCM_EOL;
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mu_flags_foreach((MuFlagsForeachFunc)check_flag, &fdata);
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return fdata.lst;
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}
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static SCM
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get_prio_scm(MuMsg* msg)
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{
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switch (mu_msg_get_prio(msg)) {
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case MU_MSG_PRIO_LOW: return SYMB_PRIO_LOW;
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case MU_MSG_PRIO_NORMAL: return SYMB_PRIO_NORMAL;
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case MU_MSG_PRIO_HIGH: return SYMB_PRIO_HIGH;
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default: g_return_val_if_reached(SCM_UNDEFINED);
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}
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}
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static SCM
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msg_string_list_field(MuMsg* msg, MuMsgFieldId mfid)
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{
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SCM scmlst;
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const GSList* lst;
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lst = mu_msg_get_field_string_list(msg, mfid);
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for (scmlst = SCM_EOL; lst; lst = g_slist_next(lst)) {
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SCM item;
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item = scm_list_1(mu_guile_scm_from_str((const char*)lst->data));
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scmlst = scm_append_x(scm_list_2(scmlst, item));
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}
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return scmlst;
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}
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static SCM
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get_body(MuMsg* msg, gboolean html)
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{
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SCM data;
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const char* body;
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MuMsgOptions opts;
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opts = MU_MSG_OPTION_NONE;
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if (html)
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body = mu_msg_get_body_html(msg, opts);
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else
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body = mu_msg_get_body_text(msg, opts);
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if (body)
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data = mu_guile_scm_from_str(body);
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else
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data = SCM_BOOL_F;
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/* explicitly close the file backend, so we won't run of fds */
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mu_msg_unload_msg_file(msg);
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return data;
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}
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SCM_DEFINE(get_field,
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"mu:c:get-field",
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2,
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0,
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0,
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(SCM MSG, SCM FIELD),
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"Get the field FIELD from message MSG.\n")
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#define FUNC_NAME s_get_field
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{
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MuMsgWrapper* msgwrap;
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MuMsgFieldId mfid;
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msgwrap = (MuMsgWrapper*)SCM_CDR(MSG);
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MU_GUILE_INITIALIZED_OR_ERROR;
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SCM_ASSERT(mu_guile_scm_is_msg(MSG), MSG, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT(scm_integer_p(FIELD), FIELD, SCM_ARG2, FUNC_NAME);
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mfid = scm_to_int(FIELD);
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SCM_ASSERT(mfid < MU_MSG_FIELD_ID_NUM || mfid == MU_GUILE_MSG_FIELD_ID_TIMESTAMP,
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FIELD,
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SCM_ARG2,
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FUNC_NAME);
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switch (mfid) {
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case MU_MSG_FIELD_ID_PRIO: return get_prio_scm(msgwrap->_msg);
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case MU_MSG_FIELD_ID_FLAGS: return get_flags_scm(msgwrap->_msg);
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case MU_MSG_FIELD_ID_BODY_HTML: return get_body(msgwrap->_msg, TRUE);
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case MU_MSG_FIELD_ID_BODY_TEXT: return get_body(msgwrap->_msg, FALSE);
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/* our pseudo-field; we get it from the message file */
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case MU_GUILE_MSG_FIELD_ID_TIMESTAMP:
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return scm_from_uint((unsigned)mu_msg_get_timestamp(msgwrap->_msg));
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default: break;
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}
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switch (mu_msg_field_type(mfid)) {
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case MU_MSG_FIELD_TYPE_STRING:
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return mu_guile_scm_from_str(mu_msg_get_field_string(msgwrap->_msg, mfid));
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case MU_MSG_FIELD_TYPE_BYTESIZE:
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case MU_MSG_FIELD_TYPE_TIME_T:
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return scm_from_uint(mu_msg_get_field_numeric(msgwrap->_msg, mfid));
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case MU_MSG_FIELD_TYPE_INT:
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return scm_from_int(mu_msg_get_field_numeric(msgwrap->_msg, mfid));
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case MU_MSG_FIELD_TYPE_STRING_LIST: return msg_string_list_field(msgwrap->_msg, mfid);
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default: SCM_ASSERT(0, FIELD, SCM_ARG2, FUNC_NAME);
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}
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}
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#undef FUNC_NAME
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struct _EachContactData {
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SCM lst;
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MuMsgContactType ctype;
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};
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typedef struct _EachContactData EachContactData;
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static void
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contacts_to_list(MuMsgContact* contact, EachContactData* ecdata)
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{
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SCM item;
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if (ecdata->ctype != MU_MSG_CONTACT_TYPE_ALL &&
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mu_msg_contact_type(contact) != ecdata->ctype)
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return;
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item = scm_list_1(scm_cons(mu_guile_scm_from_str(mu_msg_contact_name(contact)),
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mu_guile_scm_from_str(mu_msg_contact_email(contact))));
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ecdata->lst = scm_append_x(scm_list_2(ecdata->lst, item));
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}
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SCM_DEFINE(get_contacts,
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"mu:c:get-contacts",
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2,
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0,
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0,
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(SCM MSG, SCM CONTACT_TYPE),
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"Get a list of contact information pairs.\n")
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#define FUNC_NAME s_get_contacts
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{
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MuMsgWrapper* msgwrap;
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EachContactData ecdata;
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MU_GUILE_INITIALIZED_OR_ERROR;
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SCM_ASSERT(mu_guile_scm_is_msg(MSG), MSG, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT(scm_symbol_p(CONTACT_TYPE) || scm_is_bool(CONTACT_TYPE),
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CONTACT_TYPE,
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SCM_ARG2,
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FUNC_NAME);
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if (CONTACT_TYPE == SCM_BOOL_F)
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return SCM_UNSPECIFIED; /* nothing to do */
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else if (CONTACT_TYPE == SCM_BOOL_T)
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ecdata.ctype = MU_MSG_CONTACT_TYPE_ALL;
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else {
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if (scm_is_eq(CONTACT_TYPE, SYMB_CONTACT_TO))
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ecdata.ctype = MU_MSG_CONTACT_TYPE_TO;
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else if (scm_is_eq(CONTACT_TYPE, SYMB_CONTACT_CC))
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ecdata.ctype = MU_MSG_CONTACT_TYPE_CC;
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else if (scm_is_eq(CONTACT_TYPE, SYMB_CONTACT_BCC))
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ecdata.ctype = MU_MSG_CONTACT_TYPE_BCC;
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else if (scm_is_eq(CONTACT_TYPE, SYMB_CONTACT_FROM))
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ecdata.ctype = MU_MSG_CONTACT_TYPE_FROM;
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else {
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mu_guile_error(FUNC_NAME, 0, "invalid contact type", SCM_UNDEFINED);
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return SCM_UNSPECIFIED;
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}
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}
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ecdata.lst = SCM_EOL;
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msgwrap = (MuMsgWrapper*)SCM_CDR(MSG);
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-function-type"
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mu_msg_contact_foreach(msgwrap->_msg, (MuMsgContactForeachFunc)contacts_to_list, &ecdata);
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#pragma GCC diagnostic pop
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/* explicitly close the file backend, so we won't run out of fds */
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mu_msg_unload_msg_file(msgwrap->_msg);
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return ecdata.lst;
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}
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#undef FUNC_NAME
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struct _AttInfo {
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SCM attlist;
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gboolean attachments_only;
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};
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typedef struct _AttInfo AttInfo;
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static void
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each_part(MuMsg* msg, MuMsgPart* part, AttInfo* attinfo)
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{
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char *mime_type, *filename;
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SCM elm;
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if (!part->type)
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return;
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if (attinfo->attachments_only && !mu_msg_part_maybe_attachment(part))
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return;
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mime_type = g_strdup_printf("%s/%s", part->type, part->subtype);
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filename = mu_msg_part_get_filename(part, FALSE);
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elm = scm_list_5(
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/* msg */
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mu_guile_scm_from_str(mu_msg_get_path(msg)),
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/* index */
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scm_from_uint(part->index),
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/* filename or #f */
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filename ? mu_guile_scm_from_str(filename) : SCM_BOOL_F,
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/* mime-type */
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mime_type ? mu_guile_scm_from_str(mime_type) : SCM_BOOL_F,
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/* size */
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part->size > 0 ? scm_from_uint(part->size) : SCM_BOOL_F);
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g_free(mime_type);
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g_free(filename);
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attinfo->attlist = scm_cons(elm, attinfo->attlist);
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}
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SCM_DEFINE(get_parts,
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"mu:c:get-parts",
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1,
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1,
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0,
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(SCM MSG, SCM ATTS_ONLY),
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"Get the list of mime-parts for MSG. If ATTS_ONLY is #t, only"
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"get parts that are (look like) attachments. The resulting list has "
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"elements which are list of the form (index name mime-type size).\n")
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#define FUNC_NAME s_get_parts
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{
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MuMsgWrapper* msgwrap;
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AttInfo attinfo;
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MU_GUILE_INITIALIZED_OR_ERROR;
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SCM_ASSERT(mu_guile_scm_is_msg(MSG), MSG, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT(scm_is_bool(ATTS_ONLY), ATTS_ONLY, SCM_ARG2, FUNC_NAME);
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attinfo.attlist = SCM_EOL; /* empty list */
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attinfo.attachments_only = ATTS_ONLY == SCM_BOOL_T ? TRUE : FALSE;
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msgwrap = (MuMsgWrapper*)SCM_CDR(MSG);
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mu_msg_part_foreach(msgwrap->_msg,
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MU_MSG_OPTION_NONE,
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(MuMsgPartForeachFunc)each_part,
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&attinfo);
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/* explicitly close the file backend, so we won't run of fds */
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mu_msg_unload_msg_file(msgwrap->_msg);
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return attinfo.attlist;
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}
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#undef FUNC_NAME
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SCM_DEFINE(get_header,
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"mu:c:get-header",
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2,
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0,
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0,
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(SCM MSG, SCM HEADER),
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"Get an arbitrary HEADER from MSG.\n")
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#define FUNC_NAME s_get_header
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{
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MuMsgWrapper* msgwrap;
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char* header;
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SCM val;
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MU_GUILE_INITIALIZED_OR_ERROR;
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SCM_ASSERT(mu_guile_scm_is_msg(MSG), MSG, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT(scm_is_string(HEADER) || HEADER == SCM_UNDEFINED, HEADER, SCM_ARG2, FUNC_NAME);
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msgwrap = (MuMsgWrapper*)SCM_CDR(MSG);
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header = scm_to_utf8_string(HEADER);
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val = mu_guile_scm_from_str(mu_msg_get_header(msgwrap->_msg, header));
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free(header);
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/* explicitly close the file backend, so we won't run of fds */
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mu_msg_unload_msg_file(msgwrap->_msg);
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return val;
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}
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#undef FUNC_NAME
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static Mu::Option<Mu::QueryResults>
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get_query_results(Mu::Store& store, const char* expr, int maxnum)
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{
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return store.run_query(expr, MU_MSG_FIELD_ID_NONE, Mu::QueryFlags::None, maxnum);
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}
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SCM_DEFINE(for_each_message,
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"mu:c:for-each-message",
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3,
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0,
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0,
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(SCM FUNC, SCM EXPR, SCM MAXNUM),
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"Call FUNC for each msg in the message store matching EXPR. EXPR is"
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"either a string containing a mu search expression or a boolean; in the former "
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"case, limit the messages to only those matching the expression, in the "
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"latter case, match /all/ messages if the EXPR equals #t, and match "
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"none if EXPR equals #f.")
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#define FUNC_NAME s_for_each_message
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{
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char* expr{};
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MU_GUILE_INITIALIZED_OR_ERROR;
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SCM_ASSERT(scm_procedure_p(FUNC), FUNC, SCM_ARG1, FUNC_NAME);
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SCM_ASSERT(scm_is_bool(EXPR) || scm_is_string(EXPR), EXPR, SCM_ARG2, FUNC_NAME);
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SCM_ASSERT(scm_is_integer(MAXNUM), MAXNUM, SCM_ARG3, FUNC_NAME);
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if (EXPR == SCM_BOOL_F)
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return SCM_UNSPECIFIED; /* nothing to do */
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if (EXPR == SCM_BOOL_T)
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expr = strdup(""); /* note, "" matches *all* messages */
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else
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expr = scm_to_utf8_string(EXPR);
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const auto res{get_query_results(mu_guile_store(), expr, scm_to_int(MAXNUM))};
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free(expr);
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if (!res)
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return SCM_UNSPECIFIED;
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for (auto&& mi : *res) {
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auto msg{mi.floating_msg()};
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if (msg) {
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auto msgsmob{mu_guile_msg_to_scm(mu_msg_ref(msg))};
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scm_call_1(FUNC, msgsmob);
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}
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}
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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static SCM
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register_symbol(const char* name)
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{
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SCM scm;
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scm = scm_from_utf8_symbol(name);
|
|
scm_c_define(name, scm);
|
|
scm_c_export(name, NULL);
|
|
|
|
return scm;
|
|
}
|
|
|
|
static void
|
|
define_symbols(void)
|
|
{
|
|
SYMB_CONTACT_TO = register_symbol("mu:contact:to");
|
|
SYMB_CONTACT_CC = register_symbol("mu:contact:cc");
|
|
SYMB_CONTACT_FROM = register_symbol("mu:contact:from");
|
|
SYMB_CONTACT_BCC = register_symbol("mu:contact:bcc");
|
|
|
|
SYMB_PRIO_LOW = register_symbol("mu:prio:low");
|
|
SYMB_PRIO_NORMAL = register_symbol("mu:prio:normal");
|
|
SYMB_PRIO_HIGH = register_symbol("mu:prio:high");
|
|
|
|
SYMB_FLAG_NEW = register_symbol("mu:flag:new");
|
|
SYMB_FLAG_PASSED = register_symbol("mu:flag:passed");
|
|
SYMB_FLAG_REPLIED = register_symbol("mu:flag:replied");
|
|
SYMB_FLAG_SEEN = register_symbol("mu:flag:seen");
|
|
SYMB_FLAG_TRASHED = register_symbol("mu:flag:trashed");
|
|
SYMB_FLAG_DRAFT = register_symbol("mu:flag:draft");
|
|
SYMB_FLAG_FLAGGED = register_symbol("mu:flag:flagged");
|
|
SYMB_FLAG_SIGNED = register_symbol("mu:flag:signed");
|
|
SYMB_FLAG_ENCRYPTED = register_symbol("mu:flag:encrypted");
|
|
SYMB_FLAG_HAS_ATTACH = register_symbol("mu:flag:has-attach");
|
|
SYMB_FLAG_UNREAD = register_symbol("mu:flag:unread");
|
|
|
|
SYMB_FLAG_LIST = register_symbol("mu:flag:list");
|
|
}
|
|
|
|
static struct {
|
|
const char* name;
|
|
unsigned val;
|
|
} VAR_PAIRS[] = {
|
|
|
|
{"mu:field:bcc", MU_MSG_FIELD_ID_BCC},
|
|
{"mu:field:body-html", MU_MSG_FIELD_ID_BODY_HTML},
|
|
{"mu:field:body-txt", MU_MSG_FIELD_ID_BODY_TEXT},
|
|
{"mu:field:cc", MU_MSG_FIELD_ID_CC},
|
|
{"mu:field:date", MU_MSG_FIELD_ID_DATE},
|
|
{"mu:field:flags", MU_MSG_FIELD_ID_FLAGS},
|
|
{"mu:field:from", MU_MSG_FIELD_ID_FROM},
|
|
{"mu:field:maildir", MU_MSG_FIELD_ID_MAILDIR},
|
|
{"mu:field:message-id", MU_MSG_FIELD_ID_MSGID},
|
|
{"mu:field:path", MU_MSG_FIELD_ID_PATH},
|
|
{"mu:field:prio", MU_MSG_FIELD_ID_PRIO},
|
|
{"mu:field:refs", MU_MSG_FIELD_ID_REFS},
|
|
{"mu:field:size", MU_MSG_FIELD_ID_SIZE},
|
|
{"mu:field:subject", MU_MSG_FIELD_ID_SUBJECT},
|
|
{"mu:field:tags", MU_MSG_FIELD_ID_TAGS},
|
|
{"mu:field:to", MU_MSG_FIELD_ID_TO},
|
|
|
|
/* non-Xapian field: timestamp */
|
|
{"mu:field:timestamp", MU_GUILE_MSG_FIELD_ID_TIMESTAMP}};
|
|
|
|
static void
|
|
define_vars(void)
|
|
{
|
|
unsigned u;
|
|
for (u = 0; u != G_N_ELEMENTS(VAR_PAIRS); ++u) {
|
|
scm_c_define(VAR_PAIRS[u].name, scm_from_uint(VAR_PAIRS[u].val));
|
|
scm_c_export(VAR_PAIRS[u].name, NULL);
|
|
}
|
|
}
|
|
|
|
static SCM
|
|
msg_mark(SCM msg_smob)
|
|
{
|
|
MuMsgWrapper* msgwrap;
|
|
msgwrap = (MuMsgWrapper*)SCM_CDR(msg_smob);
|
|
|
|
msgwrap->_unrefme = TRUE;
|
|
|
|
return SCM_UNSPECIFIED;
|
|
}
|
|
|
|
static size_t
|
|
msg_free(SCM msg_smob)
|
|
{
|
|
MuMsgWrapper* msgwrap;
|
|
msgwrap = (MuMsgWrapper*)SCM_CDR(msg_smob);
|
|
|
|
if (msgwrap->_unrefme)
|
|
mu_msg_unref(msgwrap->_msg);
|
|
|
|
return sizeof(MuMsgWrapper);
|
|
}
|
|
|
|
static int
|
|
msg_print(SCM msg_smob, SCM port, scm_print_state* pstate)
|
|
{
|
|
MuMsgWrapper* msgwrap;
|
|
msgwrap = (MuMsgWrapper*)SCM_CDR(msg_smob);
|
|
|
|
scm_puts("#<msg ", port);
|
|
|
|
if (msg_smob == SCM_BOOL_F)
|
|
scm_puts("#f", port);
|
|
else
|
|
scm_puts(mu_msg_get_path(msgwrap->_msg), port);
|
|
|
|
scm_puts(">", port);
|
|
|
|
return 1;
|
|
}
|
|
|
|
void*
|
|
mu_guile_message_init(void* data)
|
|
{
|
|
MSG_TAG = scm_make_smob_type("msg", sizeof(MuMsgWrapper));
|
|
|
|
scm_set_smob_mark(MSG_TAG, msg_mark);
|
|
scm_set_smob_free(MSG_TAG, msg_free);
|
|
scm_set_smob_print(MSG_TAG, msg_print);
|
|
|
|
define_vars();
|
|
define_symbols();
|
|
|
|
#ifndef SCM_MAGIC_SNARFER
|
|
#include "mu-guile-message.x"
|
|
#endif /*SCM_MAGIC_SNARFER*/
|
|
|
|
return NULL;
|
|
}
|