mirror of https://github.com/djcb/mu.git
391 lines
9.1 KiB
C
391 lines
9.1 KiB
C
/*
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** Copyright (C) 2008-2011 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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#if HAVE_CONFIG_H
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#include "config.h"
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#endif /*HAVE_CONFIG_H*/
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "mu-output.h"
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#include "mu-msg.h"
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#include "mu-maildir.h"
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#include "mu-index.h"
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#include "mu-msg-iter.h"
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#include "mu-str.h"
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#include "mu-util.h"
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/* create a linksdir if it not exist yet; if it already existed,
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* remove old links if opts->clearlinks was specified */
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static gboolean
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create_linksdir_maybe (const char *linksdir, gboolean clearlinks)
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{
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GError *err;
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err = NULL;
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if (access (linksdir, F_OK) != 0) {
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if (!mu_maildir_mkdir (linksdir, 0700, TRUE, &err))
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goto fail;
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} else if (clearlinks)
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if (!mu_maildir_clear_links (linksdir, &err))
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goto fail;
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return TRUE;
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fail:
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if (err) {
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g_warning ("%s", err->message ? err->message : "unknown error");
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g_error_free (err);
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}
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return FALSE;
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}
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static gboolean
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link_message (const char *src, const char *destdir)
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{
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GError *err;
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if (access (src, R_OK) != 0) {
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if (errno == ENOENT)
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g_warning ("cannot find source message %s", src);
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else
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g_warning ("cannot read source message %s: %s", src,
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strerror (errno));
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return FALSE;
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}
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err = NULL;
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if (!mu_maildir_link (src, destdir, &err)) {
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if (err) {
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g_warning ("%s", err->message ? err->message : "unknown error");
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g_error_free (err);
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}
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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mu_output_links (MuMsgIter *iter, const char* linksdir,
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gboolean clearlinks, size_t *count)
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{
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size_t mycount;
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gboolean errseen;
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MuMsgIter *myiter;
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g_return_val_if_fail (iter, FALSE);
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g_return_val_if_fail (linksdir, FALSE);
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/* note: we create the linksdir even if there are no search results */
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if (!create_linksdir_maybe (linksdir, clearlinks))
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return FALSE;
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for (myiter = iter, errseen = FALSE, mycount = 0;
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!mu_msg_iter_is_done (myiter);
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mu_msg_iter_next (myiter), ++mycount) {
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const char* path;
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path = mu_msg_iter_get_field (myiter, MU_MSG_FIELD_ID_PATH);
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if (!path)
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return FALSE;
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if (!link_message (path, linksdir))
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errseen = TRUE;
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}
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if (errseen)
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g_warning ("error linking some of the messages; maybe the "
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"database needs to be updated");
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if (count)
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*count = mycount;
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return TRUE;
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}
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static const gchar*
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display_field (MuMsgIter *iter, MuMsgFieldId mfid)
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{
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gint64 val;
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switch (mu_msg_field_type(mfid)) {
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case MU_MSG_FIELD_TYPE_STRING: {
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const gchar *str;
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str = mu_msg_iter_get_field (iter, mfid);
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return str ? str : "";
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}
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case MU_MSG_FIELD_TYPE_INT:
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if (mfid == MU_MSG_FIELD_ID_PRIO) {
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val = mu_msg_iter_get_field_numeric (iter, mfid);
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return mu_msg_prio_name ((MuMsgPrio)val);
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} else if (mfid == MU_MSG_FIELD_ID_FLAGS) {
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val = mu_msg_iter_get_field_numeric (iter, mfid);
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return mu_str_flags_s ((MuMsgFlags)val);
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} else /* as string */
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return mu_msg_iter_get_field (iter, mfid);
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case MU_MSG_FIELD_TYPE_TIME_T:
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val = mu_msg_iter_get_field_numeric (iter, mfid);
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return mu_str_date_s ("%c", (time_t)val);
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case MU_MSG_FIELD_TYPE_BYTESIZE:
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val = mu_msg_iter_get_field_numeric (iter, mfid);
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return mu_str_size_s ((unsigned)val);
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default:
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g_return_val_if_reached (NULL);
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}
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}
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static void
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print_summary (MuMsgIter *iter, size_t summary_len)
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{
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GError *err;
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char *summ;
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MuMsg *msg;
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if (summary_len == 0)
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return; /* nothing to do */
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err = NULL;
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msg = mu_msg_iter_get_msg (iter, &err);
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if (!msg) {
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g_warning ("error get message: %s", err->message);
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g_error_free (err);
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return;
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}
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summ = mu_str_summarize (mu_msg_get_body_text(msg), summary_len);
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g_print ("Summary: %s\n", summ ? summ : "<none>");
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g_free (summ);
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mu_msg_unref (msg);
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}
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gboolean
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mu_output_plain (MuMsgIter *iter, const char *fields, size_t summary_len,
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size_t *count)
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{
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MuMsgIter *myiter;
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size_t mycount;
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g_return_val_if_fail (iter, FALSE);
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g_return_val_if_fail (fields, FALSE);
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for (myiter = iter, mycount = 0; !mu_msg_iter_is_done (myiter);
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mu_msg_iter_next (myiter), ++mycount) {
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const char* myfields;
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int len;
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for (myfields = fields, len = 0; *myfields; ++myfields) {
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MuMsgFieldId mfid;
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mfid = mu_msg_field_id_from_shortcut (*myfields, FALSE);
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if (mfid == MU_MSG_FIELD_ID_NONE ||
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(!mu_msg_field_xapian_value (mfid) &&
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!mu_msg_field_xapian_contact (mfid)))
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len += printf ("%c", *myfields);
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else
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len += printf ("%s", display_field(myiter, mfid));
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}
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g_print (len > 0 ? "\n" : "");
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print_summary (myiter, summary_len); /* may be empty */
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}
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if (count)
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*count = mycount;
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return TRUE;
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}
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static void
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print_attr_xml (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 = g_markup_escape_text (str, -1);
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g_print ("\t\t<%s>%s</%s>\n", elm, esc, elm);
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g_free (esc);
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}
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gboolean
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mu_output_xml (MuMsgIter *iter, size_t *count)
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{
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MuMsgIter *myiter;
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size_t mycount;
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g_return_val_if_fail (iter, FALSE);
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g_print ("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
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g_print ("<messages>\n");
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for (myiter = iter, mycount = 0; !mu_msg_iter_is_done (myiter);
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mu_msg_iter_next (myiter), ++mycount) {
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g_print ("\t<message>\n");
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print_attr_xml ("from", mu_msg_iter_get_from (iter));
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print_attr_xml ("to", mu_msg_iter_get_to (iter));
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print_attr_xml ("cc", mu_msg_iter_get_cc (iter));
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print_attr_xml ("subject", mu_msg_iter_get_subject (iter));
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g_print ("\t\t<date>%u</date>\n",
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(unsigned) mu_msg_iter_get_date (iter));
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g_print ("\t\t<size>%u</size>\n",
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(unsigned) mu_msg_iter_get_size (iter));
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print_attr_xml ("msgid", mu_msg_iter_get_msgid (iter));
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print_attr_xml ("path", mu_msg_iter_get_path (iter));
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print_attr_xml ("maildir", mu_msg_iter_get_maildir (iter));
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g_print ("\t</message>\n");
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}
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g_print ("</messages>\n");
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if (count)
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*count = mycount;
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return TRUE;
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}
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static void
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print_attr_json (const char* elm, const char *str, gboolean comma)
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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);
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g_print ("\t\t\t\"%s\":\"%s\"%s\n", elm, esc, comma ? "," : "");
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g_free (esc);
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}
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gboolean
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mu_output_json (MuMsgIter *iter, size_t *count)
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{
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MuMsgIter *myiter;
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size_t mycount;
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g_return_val_if_fail (iter, FALSE);
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g_print ("{\n\t\"messages\":\n\t[\n");
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for (myiter = iter, mycount = 0; !mu_msg_iter_is_done (myiter);
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mu_msg_iter_next (myiter), ++mycount) {
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if (mycount != 0)
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g_print (",\n");
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g_print ("\t\t{\n");
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print_attr_json ("from", mu_msg_iter_get_from (iter), TRUE);
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print_attr_json ("to", mu_msg_iter_get_to (iter),TRUE);
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print_attr_json ("cc", mu_msg_iter_get_cc (iter),TRUE);
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print_attr_json ("subject", mu_msg_iter_get_subject (iter),
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TRUE);
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g_print ("\t\t\t\"date\":%u,\n",
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(unsigned) mu_msg_iter_get_date (iter));
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g_print ("\t\t\t\"size\":%u,\n",
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(unsigned) mu_msg_iter_get_size (iter));
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print_attr_json ("msgid", mu_msg_iter_get_msgid (iter),TRUE);
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print_attr_json ("path", mu_msg_iter_get_path (iter),TRUE);
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print_attr_json ("maildir", mu_msg_iter_get_maildir (iter),
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FALSE);
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g_print ("\t\t}");
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}
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g_print ("\t]\n}\n");
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if (count)
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*count = mycount;
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return TRUE;
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}
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static void
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print_attr_sexp (const char* elm, const char *str, gboolean nl)
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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);
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g_print (" (:%s \"%s\")%s", elm, esc, nl ? "\n" : "");
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g_free (esc);
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}
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gboolean
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mu_output_sexp (MuMsgIter *iter, size_t *count)
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{
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MuMsgIter *myiter;
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size_t mycount;
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g_return_val_if_fail (iter, FALSE);
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g_print ("(:messages\n");
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for (myiter = iter, mycount = 0; !mu_msg_iter_is_done (myiter);
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mu_msg_iter_next (myiter), ++mycount) {
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if (mycount != 0)
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g_print ("\n");
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g_print (" (:message\n");
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print_attr_sexp ("from", mu_msg_iter_get_from (iter),TRUE);
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print_attr_sexp ("to", mu_msg_iter_get_to (iter),TRUE);
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print_attr_sexp ("cc", mu_msg_iter_get_cc (iter),TRUE);
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print_attr_sexp ("subject", mu_msg_iter_get_subject (iter),TRUE);
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g_print (" (:date %u)\n",
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(unsigned) mu_msg_iter_get_date (iter));
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g_print (" (:size %u)\n",
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(unsigned) mu_msg_iter_get_size (iter));
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print_attr_sexp ("msgid", mu_msg_iter_get_msgid (iter),TRUE);
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print_attr_sexp ("path", mu_msg_iter_get_path (iter),TRUE);
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print_attr_sexp ("maildir", mu_msg_iter_get_maildir (iter),FALSE);
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g_print (")");
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}
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g_print (")\n");
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if (count)
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*count = mycount;
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return TRUE;
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}
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