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add documentation license, twin function

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@9480 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 2003-10-12 03:41:01 +00:00
parent 4011a92426
commit 534514a31a
2 changed files with 96 additions and 4 deletions
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60
src/engine/qofinstance.c
View File

@ -1,12 +1,34 @@
/********************************************************************\
* qofinstance.c -- handler for fields common to all objects *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 59 Temple Place - Suite 330 Fax: +1-617-542-2652 *
* Boston, MA 02111-1307, USA gnu@gnu.org *
* *
\********************************************************************/
/*
* qofinstance.c
*
* Object instance holds many common fields that most
* gnucash objects use.
*
* Copyright (C) 2003 Linas Vepstas <linas@linas.org>
*/
#include "gnc-trace.h"
#include "kvp-util-p.h"
#include "qofbook.h"
#include "qofbook-p.h"
@ -14,6 +36,10 @@
#include "qofid-p.h"
#include "qofinstance.h"
static short module = MOD_ENGINE;
/* ========================================================== */
void
qof_instance_init (QofInstance *inst, QofBook *book)
{
@ -53,6 +79,8 @@ qof_instance_get_slots (QofInstance *inst)
return inst->kvp_data;
}
/* ========================================================== */
void
qof_instance_gemini (QofInstance *to, QofInstance *from)
{
@ -72,3 +100,31 @@ qof_instance_gemini (QofInstance *to, QofInstance *from)
to->dirty = TRUE;
}
QofInstance *
qof_instance_lookup_twin (QofInstance *src, QofBook *target_book)
{
QofEntityTable *src_etable, *target_etable;
QofIdType etype;
KvpFrame *fr;
GUID * twin_guid;
QofInstance * twin;
if (!src || !target_book) return NULL;
ENTER (" ");
fr = gnc_kvp_bag_find_by_guid (src->kvp_data, "gemini",
"book_guid", &src->guid);
twin_guid = kvp_frame_get_guid (fr, "inst_guid");
src_etable = qof_book_get_entity_table (src->book);
etype = qof_entity_type (src_etable, &src->guid);
target_etable = qof_book_get_entity_table (target_book);
twin = qof_entity_lookup (target_etable, twin_guid, etype);
LEAVE (" found twin=%p", twin);
return twin;
}
/* ========================== END OF FILE ======================= */

40
src/engine/qofinstance.h
View File

@ -1,6 +1,25 @@
/********************************************************************\
* qofinstance.h -- fields common to all object instances *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 59 Temple Place - Suite 330 Fax: +1-617-542-2652 *
* Boston, MA 02111-1307, USA gnu@gnu.org *
* *
\********************************************************************/
/*
* qofinstance.h
*
* Object instance holds many common fields that most
* gnucash objects use.
*
@ -29,12 +48,26 @@ struct QofInstance_s
* eventually, it may hold more fields, such as refrence counting...
*
*/
/* Globally unique account id identifying this instance */
GUID guid;
/* The entity_table in which this instance is stored */
QofBook * book;
/* kvp_data is a key-value pair database for storing arbirtary
* information associated with this instance.
* See src/engine/kvp_doc.txt for a list and description of the
* important keys. */
KvpFrame *kvp_data;
/* Keep track of nesting level of begin/end edit calls */
int editlevel;
/* In process of being destroyed */
gboolean do_free;
/* This instance has not been saved yet */
gboolean dirty;
};
@ -60,4 +93,7 @@ KvpFrame* qof_instance_get_slots (QofInstance *);
*/
void qof_instance_gemini (QofInstance *to, QofInstance *from);
/** Look up the gemini'ed twin to 'src' in the book 'book'. */
QofInstance * qof_instance_lookup_twin (QofInstance *src, QofBook *book);
#endif /* QOF_INSTANCE_H */