mirror of https://github.com/djcb/mu.git
731 lines
18 KiB
C++
731 lines
18 KiB
C++
/*
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** Copyright (C) 2008-2021 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 "config.h"
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#include <array>
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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 <errno.h>
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#include <stdlib.h>
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#include <signal.h>
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#include "mu-msg.hh"
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#include "mu-maildir.hh"
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#include "mu-query-match-deciders.hh"
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#include "mu-query.hh"
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#include "mu-bookmarks.hh"
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#include "mu-runtime.hh"
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#include "utils/mu-util.h"
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#include "utils/mu-str.h"
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#include "utils/mu-date.h"
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#include "mu-cmd.hh"
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using namespace Mu;
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struct OutputInfo {
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Xapian::docid docid{};
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bool header{};
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bool footer{};
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bool last{};
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Option<QueryMatch&> match_info;
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};
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constexpr auto FirstOutput{OutputInfo{0, true, false, {}, {}}};
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constexpr auto LastOutput{OutputInfo{0, false, true, {}, {}}};
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using OutputFunc = std::function<bool(MuMsg*, const OutputInfo&, const MuConfig*, GError**)>;
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static gboolean
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print_internal(const Store& store,
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const std::string& expr,
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gboolean xapian,
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gboolean warn,
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GError** err)
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{
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std::cout << store.parse_query(expr, xapian) << "\n";
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return TRUE;
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}
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/* returns MU_MSG_FIELD_ID_NONE if there is an error */
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static MuMsgFieldId
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sort_field_from_string(const char* fieldstr, GError** err)
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{
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MuMsgFieldId mfid;
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mfid = mu_msg_field_id_from_name(fieldstr, FALSE);
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/* not found? try a shortcut */
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if (mfid == MU_MSG_FIELD_ID_NONE && strlen(fieldstr) == 1)
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mfid = mu_msg_field_id_from_shortcut(fieldstr[0], FALSE);
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if (mfid == MU_MSG_FIELD_ID_NONE)
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g_set_error(err,
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MU_ERROR_DOMAIN,
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MU_ERROR_IN_PARAMETERS,
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"not a valid sort field: '%s'\n",
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fieldstr);
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return mfid;
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}
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static Option<QueryResults>
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run_query(const Store& store, const std::string& expr, const MuConfig* opts, GError** err)
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{
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MuMsgFieldId sortid;
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sortid = MU_MSG_FIELD_ID_NONE;
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if (opts->sortfield) {
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sortid = sort_field_from_string(opts->sortfield, err);
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if (sortid == MU_MSG_FIELD_ID_NONE) /* error occurred? */
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return Nothing;
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}
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Mu::QueryFlags qflags{QueryFlags::None};
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if (opts->reverse)
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qflags |= QueryFlags::Descending;
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if (opts->skip_dups)
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qflags |= QueryFlags::SkipDuplicates;
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if (opts->include_related)
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qflags |= QueryFlags::IncludeRelated;
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if (opts->threads)
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qflags |= QueryFlags::Threading;
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return store.run_query(expr, sortid, qflags, opts->maxnum);
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}
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static gboolean
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exec_cmd(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
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{
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gint status;
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char * cmdline, *escpath;
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gboolean rv;
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escpath = g_shell_quote(mu_msg_get_path(msg));
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cmdline = g_strdup_printf("%s %s", opts->exec, escpath);
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rv = g_spawn_command_line_sync(cmdline, NULL, NULL, &status, err);
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g_free(cmdline);
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g_free(escpath);
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return rv;
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}
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static gchar*
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resolve_bookmark(const MuConfig* opts, GError** err)
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{
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MuBookmarks* bm;
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char* val;
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const gchar* bmfile;
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bmfile = mu_runtime_path(MU_RUNTIME_PATH_BOOKMARKS);
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bm = mu_bookmarks_new(bmfile);
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if (!bm) {
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g_set_error(err,
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MU_ERROR_DOMAIN,
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MU_ERROR_FILE_CANNOT_OPEN,
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"failed to open bookmarks file '%s'",
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bmfile);
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return FALSE;
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}
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val = (gchar*)mu_bookmarks_lookup(bm, opts->bookmark);
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if (!val)
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g_set_error(err,
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MU_ERROR_DOMAIN,
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MU_ERROR_NO_MATCHES,
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"bookmark '%s' not found",
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opts->bookmark);
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else
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val = g_strdup(val);
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mu_bookmarks_destroy(bm);
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return val;
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}
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static Option<std::string>
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get_query(const MuConfig* opts, GError** err)
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{
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gchar *query, *bookmarkval;
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/* params[0] is 'find', actual search params start with [1] */
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if (!opts->bookmark && !opts->params[1]) {
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g_set_error(err, MU_ERROR_DOMAIN, MU_ERROR_IN_PARAMETERS, "error in parameters");
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return Nothing;
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}
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bookmarkval = NULL;
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if (opts->bookmark) {
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bookmarkval = resolve_bookmark(opts, err);
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if (!bookmarkval)
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return Nothing;
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}
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query = g_strjoinv(" ", &opts->params[1]);
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if (bookmarkval) {
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gchar* tmp;
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tmp = g_strdup_printf("%s %s", bookmarkval, query);
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g_free(query);
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query = tmp;
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}
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g_free(bookmarkval);
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std::string q{query};
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g_free(query);
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return q;
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}
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static gboolean
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prepare_links(const MuConfig* opts, GError** err)
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{
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/* note, mu_maildir_mkdir simply ignores whatever part of the
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* mail dir already exists */
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if (auto&& res = mu_maildir_mkdir(opts->linksdir, 0700, true); !res) {
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res.error().fill_g_error(err);
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return FALSE;
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}
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if (!opts->clearlinks)
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return TRUE;
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if (auto&& res = mu_maildir_clear_links(opts->linksdir); !res) {
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res.error().fill_g_error(err);
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return FALSE;
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}
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return TRUE;
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}
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static bool
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output_link(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
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{
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if (info.header)
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return prepare_links(opts, err);
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else if (info.footer)
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return true;
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if (auto&& res = mu_maildir_link(
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mu_msg_get_path(msg), opts->linksdir); !res) {
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res.error().fill_g_error(err);
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return FALSE;
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}
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return TRUE;
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}
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static void
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ansi_color_maybe(MuMsgFieldId mfid, gboolean color)
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{
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const char* ansi;
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if (!color)
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return; /* nothing to do */
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switch (mfid) {
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case MU_MSG_FIELD_ID_FROM: ansi = MU_COLOR_CYAN; break;
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case MU_MSG_FIELD_ID_TO:
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case MU_MSG_FIELD_ID_CC:
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case MU_MSG_FIELD_ID_BCC: ansi = MU_COLOR_BLUE; break;
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case MU_MSG_FIELD_ID_SUBJECT: ansi = MU_COLOR_GREEN; break;
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case MU_MSG_FIELD_ID_DATE: ansi = MU_COLOR_MAGENTA; break;
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default:
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if (mu_msg_field_type(mfid) == MU_MSG_FIELD_TYPE_STRING)
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ansi = MU_COLOR_YELLOW;
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else
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ansi = MU_COLOR_RED;
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}
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fputs(ansi, stdout);
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}
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static void
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ansi_reset_maybe(MuMsgFieldId mfid, gboolean color)
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{
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if (!color)
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return; /* nothing to do */
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fputs(MU_COLOR_DEFAULT, stdout);
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}
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static const char*
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field_string_list(MuMsg* msg, MuMsgFieldId mfid)
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{
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char* str;
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const GSList* lst;
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static char buf[80];
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lst = mu_msg_get_field_string_list(msg, mfid);
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if (!lst)
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return NULL;
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str = mu_str_from_list(lst, ',');
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if (str) {
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strncpy(buf, str, sizeof(buf) - 1);
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buf[sizeof(buf) - 1] = '\0';
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g_free(str);
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return buf;
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}
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return NULL;
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}
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/* ugly... for backward compat */
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static const char*
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flags_s(MessageFlags flags)
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{
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static char buf[64];
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const auto flagstr{message_flags_to_string(flags)};
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::strncpy(buf, flagstr.c_str(), sizeof(buf) - 1);
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return buf;
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}
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static const char*
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display_field(MuMsg* msg, 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_get_field_string(msg, 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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const auto val = static_cast<char>(mu_msg_get_field_numeric(msg, mfid));
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const auto prio = message_priority_from_char(val);
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return message_priority_name_c_str(prio);
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} else if (mfid == MU_MSG_FIELD_ID_FLAGS) {
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val = mu_msg_get_field_numeric(msg, mfid);
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return flags_s(static_cast<MessageFlags>(val));
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} else /* as string */
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return mu_msg_get_field_string(msg, mfid);
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case MU_MSG_FIELD_TYPE_TIME_T:
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val = mu_msg_get_field_numeric(msg, mfid);
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return mu_date_str_s("%c", (time_t)val);
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case MU_MSG_FIELD_TYPE_BYTESIZE:
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val = mu_msg_get_field_numeric(msg, mfid);
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return mu_str_size_s((unsigned)val);
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case MU_MSG_FIELD_TYPE_STRING_LIST: {
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const char* str;
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str = field_string_list(msg, mfid);
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return str ? str : "";
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}
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default: 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(MuMsg* msg, const MuConfig* opts)
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{
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const char* body;
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char* summ;
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MuMsgOptions msgopts;
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msgopts = mu_config_get_msg_options(opts);
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body = mu_msg_get_body_text(msg, msgopts);
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if (body)
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summ = mu_str_summarize(body, (unsigned)opts->summary_len);
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else
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summ = NULL;
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g_print("Summary: ");
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mu_util_fputs_encoded(summ ? summ : "<none>", stdout);
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g_print("\n");
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g_free(summ);
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}
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static void
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thread_indent(const QueryMatch& info, const MuConfig* opts)
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{
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const auto is_root{any_of(info.flags & QueryMatch::Flags::Root)};
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const auto first_child{any_of(info.flags & QueryMatch::Flags::First)};
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const auto last_child{any_of(info.flags & QueryMatch::Flags::Last)};
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const auto empty_parent{any_of(info.flags & QueryMatch::Flags::Orphan)};
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const auto is_dup{any_of(info.flags & QueryMatch::Flags::Duplicate)};
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// const auto is_related{any_of(info.flags & QueryMatch::Flags::Related)};
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/* indent */
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if (opts->debug) {
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::fputs(info.thread_path.c_str(), stdout);
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::fputs(" ", stdout);
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} else
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for (auto i = info.thread_level; i > 1; --i)
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::fputs(" ", stdout);
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if (!is_root) {
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if (first_child)
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::fputs("\\", stdout);
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else if (last_child)
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::fputs("/", stdout);
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else
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::fputs(" ", stdout);
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::fputs(empty_parent ? "*> " : is_dup ? "=> "
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: "-> ",
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stdout);
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}
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}
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static void
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output_plain_fields(MuMsg* msg, const char* fields, gboolean color, gboolean threads)
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{
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const char* myfields;
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int nonempty;
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g_return_if_fail(fields);
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for (myfields = fields, nonempty = 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) && !mu_msg_field_xapian_contact(mfid)))
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nonempty += printf("%c", *myfields);
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else {
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ansi_color_maybe(mfid, color);
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nonempty += mu_util_fputs_encoded(display_field(msg, mfid), stdout);
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ansi_reset_maybe(mfid, color);
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}
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}
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if (nonempty)
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fputs("\n", stdout);
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}
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static gboolean
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output_plain(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
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{
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if (!msg)
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return true;
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/* we reuse the color (whatever that may be)
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* for message-priority for threads, too */
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ansi_color_maybe(MU_MSG_FIELD_ID_PRIO, !opts->nocolor);
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if (opts->threads && info.match_info)
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thread_indent(*info.match_info, opts);
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output_plain_fields(msg, opts->fields, !opts->nocolor, opts->threads);
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if (opts->summary_len > 0)
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print_summary(msg, opts);
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return TRUE;
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}
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G_GNUC_UNUSED static std::string
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to_string(const Mu::Sexp& sexp, bool color, size_t level = 0)
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{
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Mu::MaybeAnsi col{color};
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using Color = Mu::MaybeAnsi::Color;
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// clang/libc++ don't allow constexpr here
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const std::array<Color, 6> rainbow = {
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Color::BrightBlue,
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Color::Green,
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Color::Yellow,
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Color::Magenta,
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Color::Cyan,
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Color::BrightGreen,
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};
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std::stringstream sstrm;
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switch (sexp.type()) {
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case Sexp::Type::List: {
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const auto bracecol{col.fg(rainbow[level % rainbow.size()])};
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sstrm << bracecol << "(";
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bool first{true};
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for (auto&& child : sexp.list()) {
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sstrm << (first ? "" : " ") << to_string(child, color, level + 1);
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first = false;
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}
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sstrm << bracecol << ")";
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break;
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}
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case Sexp::Type::String:
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sstrm << col.fg(Color::BrightCyan) << Mu::quote(sexp.value()) << col.reset();
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break;
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case Sexp::Type::Number:
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sstrm << col.fg(Color::BrightMagenta) << sexp.value() << col.reset();
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break;
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case Sexp::Type::Symbol:
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sstrm << (col.fg(sexp.value().at(0) == ':' ? Color::BrightGreen
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: Color::BrightBlue))
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<< sexp.value() << col.reset();
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break;
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default: throw std::logic_error("invalid type");
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}
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return sstrm.str();
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}
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static bool
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output_sexp(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
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{
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if (!msg)
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return true;
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fputs(msg_to_sexp(msg, 0, MU_MSG_OPTION_HEADERS_ONLY).to_sexp_string().c_str(), stdout);
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fputs("\n", stdout);
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return true;
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}
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static bool
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output_json(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
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{
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if (info.header) {
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g_print("[\n");
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return true;
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}
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if (info.footer) {
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g_print("]\n");
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return true;
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}
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g_print("%s%s\n",
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msg_to_sexp(msg, info.docid, MU_MSG_OPTION_HEADERS_ONLY).to_json_string().c_str(),
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info.last ? "" : ",");
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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 (mu_str_is_empty(str))
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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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}
|
|
|
|
static bool
|
|
output_xml(MuMsg* msg, const OutputInfo& info, const MuConfig* opts, GError** err)
|
|
{
|
|
if (info.header) {
|
|
g_print("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
|
|
g_print("<messages>\n");
|
|
return true;
|
|
}
|
|
|
|
if (info.footer) {
|
|
g_print("</messages>\n");
|
|
return true;
|
|
}
|
|
|
|
g_print("\t<message>\n");
|
|
print_attr_xml("from", mu_msg_get_from(msg));
|
|
print_attr_xml("to", mu_msg_get_to(msg));
|
|
print_attr_xml("cc", mu_msg_get_cc(msg));
|
|
print_attr_xml("subject", mu_msg_get_subject(msg));
|
|
g_print("\t\t<date>%u</date>\n", (unsigned)mu_msg_get_date(msg));
|
|
g_print("\t\t<size>%u</size>\n", (unsigned)mu_msg_get_size(msg));
|
|
print_attr_xml("msgid", mu_msg_get_msgid(msg));
|
|
print_attr_xml("path", mu_msg_get_path(msg));
|
|
print_attr_xml("maildir", mu_msg_get_maildir(msg));
|
|
g_print("\t</message>\n");
|
|
|
|
return true;
|
|
}
|
|
|
|
static OutputFunc
|
|
get_output_func(const MuConfig* opts, GError** err)
|
|
{
|
|
switch (opts->format) {
|
|
case MU_CONFIG_FORMAT_LINKS: return output_link;
|
|
case MU_CONFIG_FORMAT_EXEC: return exec_cmd;
|
|
case MU_CONFIG_FORMAT_PLAIN: return output_plain;
|
|
case MU_CONFIG_FORMAT_XML: return output_xml;
|
|
case MU_CONFIG_FORMAT_SEXP: return output_sexp;
|
|
case MU_CONFIG_FORMAT_JSON: return output_json;
|
|
|
|
default: g_return_val_if_reached(NULL); return NULL;
|
|
}
|
|
}
|
|
|
|
static bool
|
|
output_query_results(const QueryResults& qres, const MuConfig* opts, GError** err)
|
|
{
|
|
const auto output_func{get_output_func(opts, err)};
|
|
if (!output_func)
|
|
return false;
|
|
|
|
gboolean rv{true};
|
|
output_func(NULL, FirstOutput, opts, NULL);
|
|
|
|
size_t n{0};
|
|
for (auto&& item : qres) {
|
|
n++;
|
|
auto msg{item.floating_msg()};
|
|
if (!msg)
|
|
continue;
|
|
|
|
if (opts->after != 0 && mu_msg_get_timestamp(msg) < opts->after)
|
|
continue;
|
|
|
|
rv = output_func(msg,
|
|
{item.doc_id(),
|
|
false,
|
|
false,
|
|
n == qres.size(), /* last? */
|
|
item.query_match()},
|
|
opts,
|
|
err);
|
|
if (!rv)
|
|
break;
|
|
}
|
|
output_func(NULL, LastOutput, opts, NULL);
|
|
|
|
return rv;
|
|
}
|
|
|
|
static gboolean
|
|
process_query(const Store& store, const std::string& expr, const MuConfig* opts, GError** err)
|
|
{
|
|
auto qres{run_query(store, expr, opts, err)};
|
|
if (!qres)
|
|
return FALSE;
|
|
|
|
if (qres->empty()) {
|
|
mu_util_g_set_error(err, MU_ERROR_NO_MATCHES, "no matches for search expression");
|
|
return false;
|
|
}
|
|
|
|
return output_query_results(*qres, opts, err);
|
|
}
|
|
|
|
static gboolean
|
|
execute_find(const Store& store, const MuConfig* opts, GError** err)
|
|
{
|
|
auto expr{get_query(opts, err)};
|
|
if (!expr)
|
|
return FALSE;
|
|
|
|
if (opts->format == MU_CONFIG_FORMAT_XQUERY)
|
|
return print_internal(store, *expr, TRUE, FALSE, err);
|
|
else if (opts->format == MU_CONFIG_FORMAT_MQUERY)
|
|
return print_internal(store, *expr, FALSE, opts->verbose, err);
|
|
else
|
|
return process_query(store, *expr, opts, err);
|
|
}
|
|
|
|
static gboolean
|
|
format_params_valid(const MuConfig* opts, GError** err)
|
|
{
|
|
switch (opts->format) {
|
|
case MU_CONFIG_FORMAT_EXEC: break;
|
|
case MU_CONFIG_FORMAT_PLAIN:
|
|
case MU_CONFIG_FORMAT_SEXP:
|
|
case MU_CONFIG_FORMAT_JSON:
|
|
case MU_CONFIG_FORMAT_LINKS:
|
|
case MU_CONFIG_FORMAT_XML:
|
|
case MU_CONFIG_FORMAT_XQUERY:
|
|
case MU_CONFIG_FORMAT_MQUERY:
|
|
if (opts->exec) {
|
|
mu_util_g_set_error(err,
|
|
MU_ERROR_IN_PARAMETERS,
|
|
"--exec and --format cannot be combined");
|
|
return FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
mu_util_g_set_error(err,
|
|
MU_ERROR_IN_PARAMETERS,
|
|
"invalid output format %s",
|
|
opts->formatstr ? opts->formatstr : "<none>");
|
|
return FALSE;
|
|
}
|
|
|
|
if (opts->format == MU_CONFIG_FORMAT_LINKS && !opts->linksdir) {
|
|
mu_util_g_set_error(err, MU_ERROR_IN_PARAMETERS, "missing --linksdir argument");
|
|
return FALSE;
|
|
}
|
|
|
|
if (opts->linksdir && opts->format != MU_CONFIG_FORMAT_LINKS) {
|
|
mu_util_g_set_error(err,
|
|
MU_ERROR_IN_PARAMETERS,
|
|
"--linksdir is only valid with --format=links");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
query_params_valid(const MuConfig* opts, GError** err)
|
|
{
|
|
const gchar* xpath;
|
|
|
|
if (!opts->params[1]) {
|
|
mu_util_g_set_error(err, MU_ERROR_IN_PARAMETERS, "missing query");
|
|
return FALSE;
|
|
}
|
|
|
|
xpath = mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB);
|
|
if (mu_util_check_dir(xpath, TRUE, FALSE))
|
|
return TRUE;
|
|
|
|
mu_util_g_set_error(err,
|
|
MU_ERROR_FILE_CANNOT_READ,
|
|
"'%s' is not a readable Xapian directory",
|
|
xpath);
|
|
return FALSE;
|
|
}
|
|
|
|
MuError
|
|
Mu::mu_cmd_find(const Store& store, const MuConfig* opts, GError** err)
|
|
{
|
|
g_return_val_if_fail(opts, MU_ERROR_INTERNAL);
|
|
g_return_val_if_fail(opts->cmd == MU_CONFIG_CMD_FIND, MU_ERROR_INTERNAL);
|
|
|
|
MuConfig myopts{*opts};
|
|
|
|
if (myopts.exec)
|
|
myopts.format = MU_CONFIG_FORMAT_EXEC; /* pseudo format */
|
|
|
|
if (!query_params_valid(&myopts, err) || !format_params_valid(&myopts, err))
|
|
return MU_G_ERROR_CODE(err);
|
|
|
|
if (!execute_find(store, &myopts, err))
|
|
return MU_G_ERROR_CODE(err);
|
|
else
|
|
return MU_OK;
|
|
}
|