mirror of https://github.com/djcb/mu.git
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/*
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** Copyright (C) 2008-2013 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
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 3 of the License, or
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** (at your option) any 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 <stdlib.h>
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#include <iostream>
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#include <string.h>
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#include <errno.h>
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#include <xapian.h>
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#include "mu-msg-fields.h"
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#include "mu-msg-doc.h"
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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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struct _MuMsgDoc {
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_MuMsgDoc (Xapian::Document *doc): _doc (doc) { }
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~_MuMsgDoc () { delete _doc; }
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const Xapian::Document doc() const { return *_doc; }
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private:
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Xapian::Document *_doc;
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};
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MuMsgDoc*
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mu_msg_doc_new (XapianDocument *doc, GError **err)
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{
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g_return_val_if_fail (doc, NULL);
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try {
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return new MuMsgDoc ((Xapian::Document*)doc);
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} MU_XAPIAN_CATCH_BLOCK_G_ERROR_RETURN(err, MU_ERROR_XAPIAN, NULL);
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return FALSE;
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}
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void
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mu_msg_doc_destroy (MuMsgDoc *self)
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{
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try {
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delete self;
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} MU_XAPIAN_CATCH_BLOCK;
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}
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gchar*
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mu_msg_doc_get_str_field (MuMsgDoc *self, MuMsgFieldId mfid)
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{
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g_return_val_if_fail (self, NULL);
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g_return_val_if_fail (mu_msg_field_id_is_valid(mfid), NULL);
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// disable this check:
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// g_return_val_if_fail (mu_msg_field_is_string(mfid), NULL);
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// because it's useful to get numerical field as strings,
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// for example when sorting (which is much faster if don't
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// have to convert to numbers first, esp. when it's a date
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// time_t)
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try {
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const std::string s (self->doc().get_value(mfid));
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return s.empty() ? NULL : g_strdup (s.c_str());
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} MU_XAPIAN_CATCH_BLOCK_RETURN(NULL);
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}
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GSList*
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mu_msg_doc_get_str_list_field (MuMsgDoc *self, MuMsgFieldId mfid)
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{
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g_return_val_if_fail (self, NULL);
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g_return_val_if_fail (mu_msg_field_id_is_valid(mfid), NULL);
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g_return_val_if_fail (mu_msg_field_is_string_list(mfid), NULL);
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try {
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/* return a comma-separated string as a GSList */
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const std::string s (self->doc().get_value(mfid));
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return s.empty() ? NULL : mu_str_to_list(s.c_str(),',',TRUE);
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} MU_XAPIAN_CATCH_BLOCK_RETURN(NULL);
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}
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gint64
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mu_msg_doc_get_num_field (MuMsgDoc *self, MuMsgFieldId mfid)
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{
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g_return_val_if_fail (self, -1);
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g_return_val_if_fail (mu_msg_field_id_is_valid(mfid), -1);
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g_return_val_if_fail (mu_msg_field_is_numeric(mfid), -1);
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try {
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const std::string s (self->doc().get_value(mfid));
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if (s.empty())
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return 0;
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else if (mfid == MU_MSG_FIELD_ID_DATE ||
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mfid == MU_MSG_FIELD_ID_SIZE)
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return strtol (s.c_str(), NULL, 10);
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else {
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return static_cast<gint64>
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(Xapian::sortable_unserialise(s));
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}
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} MU_XAPIAN_CATCH_BLOCK_RETURN(-1);
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}
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