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260 lines
6.5 KiB
260 lines
6.5 KiB
/********************************************************************\
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* qofinstance.c -- handler for fields common to all objects *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (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, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
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* Boston, MA 02110-1301, USA gnu@gnu.org *
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* *
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\********************************************************************/
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/*
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* Object instance holds many common fields that most
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* gnucash objects use.
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*
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* Copyright (C) 2003 Linas Vepstas <linas@linas.org>
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*/
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#include "config.h"
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#include <glib.h>
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#include "qof.h"
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#include "kvp-util-p.h"
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#include "qofbook-p.h"
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#include "qofid-p.h"
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#include "qofinstance-p.h"
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static QofLogModule log_module = QOF_MOD_ENGINE;
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/* ========================================================== */
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QofInstance*
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qof_instance_create (QofIdType type, QofBook *book)
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{
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QofInstance *inst;
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inst = g_new0(QofInstance, 1);
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qof_instance_init(inst, type, book);
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return inst;
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}
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void
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qof_instance_init (QofInstance *inst, QofIdType type, QofBook *book)
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{
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QofCollection *col;
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inst->book = book;
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inst->kvp_data = kvp_frame_new();
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inst->last_update.tv_sec = 0;
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inst->last_update.tv_nsec = -1;
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inst->editlevel = 0;
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inst->do_free = FALSE;
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inst->dirty = FALSE;
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inst->infant = TRUE;
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col = qof_book_get_collection (book, type);
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qof_entity_init (&inst->entity, type, col);
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}
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void
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qof_instance_release (QofInstance *inst)
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{
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kvp_frame_delete (inst->kvp_data);
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inst->kvp_data = NULL;
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inst->editlevel = 0;
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inst->do_free = FALSE;
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inst->dirty = FALSE;
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qof_entity_release (&inst->entity);
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}
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const GUID *
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qof_instance_get_guid (const QofInstance *inst)
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{
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if (!inst) return NULL;
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return &inst->entity.guid;
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}
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QofBook *
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qof_instance_get_book (const QofInstance *inst)
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{
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if (!inst) return NULL;
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return inst->book;
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}
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KvpFrame*
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qof_instance_get_slots (const QofInstance *inst)
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{
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if (!inst) return NULL;
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return inst->kvp_data;
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}
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Timespec
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qof_instance_get_last_update (const QofInstance *inst)
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{
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if (!inst)
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{
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Timespec ts = {0,-1};
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return ts;
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}
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return inst->last_update;
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}
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int
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qof_instance_version_cmp (const QofInstance *left, const QofInstance *right)
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{
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if (!left && !right) return 0;
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if (!left) return -1;
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if (!right) return +1;
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if (left->last_update.tv_sec < right->last_update.tv_sec) return -1;
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if (left->last_update.tv_sec > right->last_update.tv_sec) return +1;
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if (left->last_update.tv_nsec < right->last_update.tv_nsec) return -1;
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if (left->last_update.tv_nsec > right->last_update.tv_nsec) return +1;
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return 0;
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}
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void
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qof_instance_print_dirty (const QofEntity *entity, gpointer dummy)
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{
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QofInstance *inst = QOF_INSTANCE(entity);
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if (inst->dirty)
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printf("%s instance %s is dirty.\n", inst->entity.e_type,
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guid_to_string(&inst->entity.guid));
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}
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gboolean
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qof_instance_is_dirty (QofInstance *inst)
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{
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QofCollection *coll;
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if (!inst) { return FALSE; }
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if (qof_get_alt_dirty_mode())
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return inst->dirty;
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coll = inst->entity.collection;
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if(qof_collection_is_dirty(coll)) { return inst->dirty; }
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inst->dirty = FALSE;
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return FALSE;
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}
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void
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qof_instance_set_dirty(QofInstance* inst)
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{
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QofCollection *coll;
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inst->dirty = TRUE;
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if (!qof_get_alt_dirty_mode()) {
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coll = inst->entity.collection;
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qof_collection_mark_dirty(coll);
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}
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}
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gboolean
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qof_instance_check_edit(const QofInstance *inst)
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{
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if(inst->editlevel > 0) { return TRUE; }
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return FALSE;
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}
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gboolean
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qof_instance_do_free(const QofInstance *inst)
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{
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return inst->do_free;
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}
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void
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qof_instance_mark_free(QofInstance *inst)
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{
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inst->do_free = TRUE;
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}
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/* ========================================================== */
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/* setters */
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void
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qof_instance_mark_clean (QofInstance *inst)
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{
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if(!inst) return;
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inst->dirty = FALSE;
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}
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void
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qof_instance_set_slots (QofInstance *inst, KvpFrame *frm)
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{
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if (!inst) return;
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if (inst->kvp_data && (inst->kvp_data != frm))
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{
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kvp_frame_delete(inst->kvp_data);
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}
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inst->dirty = TRUE;
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inst->kvp_data = frm;
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}
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void
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qof_instance_set_last_update (QofInstance *inst, Timespec ts)
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{
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if (!inst) return;
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inst->last_update = ts;
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}
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/* ========================================================== */
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void
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qof_instance_gemini (QofInstance *to, const QofInstance *from)
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{
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time_t now;
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/* Books must differ for a gemini to be meaningful */
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if (!from || !to || (from->book == to->book)) return;
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now = time(0);
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/* Make a note of where the copy came from */
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gnc_kvp_bag_add (to->kvp_data, "gemini", now,
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"inst_guid", &from->entity.guid,
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"book_guid", &from->book->inst.entity.guid,
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NULL);
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gnc_kvp_bag_add (from->kvp_data, "gemini", now,
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"inst_guid", &to->entity.guid,
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"book_guid", &to->book->inst.entity.guid,
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NULL);
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to->dirty = TRUE;
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}
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QofInstance *
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qof_instance_lookup_twin (const QofInstance *src, QofBook *target_book)
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{
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QofCollection *col;
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KvpFrame *fr;
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GUID * twin_guid;
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QofInstance * twin;
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if (!src || !target_book) return NULL;
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ENTER (" ");
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fr = gnc_kvp_bag_find_by_guid (src->kvp_data, "gemini",
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"book_guid", &target_book->inst.entity.guid);
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twin_guid = kvp_frame_get_guid (fr, "inst_guid");
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col = qof_book_get_collection (target_book, src->entity.e_type);
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twin = (QofInstance *) qof_collection_lookup_entity (col, twin_guid);
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LEAVE (" found twin=%p", twin);
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return twin;
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}
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/* ========================== END OF FILE ======================= */
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