gnucash/libgnucash/engine/gncTaxTable.h
2018-08-13 11:52:42 -07:00

211 lines
7.7 KiB
C

/********************************************************************\
* gncTaxTable.h -- the Gnucash Tax Table interface *
* *
* 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 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
* *
\********************************************************************/
/** @addtogroup Business
@{ */
/** @addtogroup TaxTable
@{ */
/** @file gncTaxTable.h
@brief Tax Table programming interface
@author Copyright (C) 2002 Derek Atkins <warlord@MIT.EDU>
*/
#ifndef GNC_TAXTABLE_H_
#define GNC_TAXTABLE_H_
/** @struct GncTaxTable
modtime is the internal date of the last modtime\n
See src/doc/business.txt for an explanation of the following\n
Code that handles refcount, parent, child, invisible and children
is *identical* to that in ::GncBillTerm
@param QofInstance inst;
@param char * name;
@param GncTaxTableEntryList* entries;
@param time64 modtime;
@param gint64 refcount;
@param GncTaxTable * parent; if non-null, we are an immutable child
@param GncTaxTable * child; if non-null, we have not changed
@param gboolean invisible;
@param GList * children; list of children for disconnection
*/
typedef struct _gncTaxTable GncTaxTable;
typedef struct _gncTaxTableClass GncTaxTableClass;
/** @struct GncTaxTableEntry
@param GncTaxTable * table;
@param Account * account;
@param GncAmountType type;
@param gnc_numeric amount;
};
*/
typedef struct _gncTaxTableEntry GncTaxTableEntry;
typedef struct _gncAccountValue GncAccountValue;
#include "Account.h"
#include "qof.h"
#ifdef GNUCASH_MAJOR_VERSION
#include "gncBusiness.h"
#endif
#define GNC_ID_TAXTABLE "gncTaxTable"
/* --- type macros --- */
#define GNC_TYPE_TAXTABLE (gnc_taxtable_get_type ())
#define GNC_TAXTABLE(o) \
(G_TYPE_CHECK_INSTANCE_CAST ((o), GNC_TYPE_TAXTABLE, GncTaxTable))
#define GNC_TAXTABLE_CLASS(k) \
(G_TYPE_CHECK_CLASS_CAST((k), GNC_TYPE_TAXTABLE, GncTaxTableClass))
#define GNC_IS_TAXTABLE(o) \
(G_TYPE_CHECK_INSTANCE_TYPE ((o), GNC_TYPE_TAXTABLE))
#define GNC_IS_TAXTABLE_CLASS(k) \
(G_TYPE_CHECK_CLASS_TYPE ((k), GNC_TYPE_TAXTABLE))
#define GNC_TAXTABLE_GET_CLASS(o) \
(G_TYPE_INSTANCE_GET_CLASS ((o), GNC_TYPE_TAXTABLE, GncTaxTableClass))
GType gnc_taxtable_get_type(void);
/**
* How to interpret the amount.
* You can interpret it as a VALUE or a PERCENT.
*/
typedef enum
{
GNC_AMT_TYPE_VALUE = 1, /**< tax is a number */
GNC_AMT_TYPE_PERCENT /**< tax is a percentage */
} GncAmountType;
/** How to interpret the TaxIncluded */
typedef enum
{
GNC_TAXINCLUDED_YES = 1, /**< tax is included */
GNC_TAXINCLUDED_NO, /**< tax is not included */
GNC_TAXINCLUDED_USEGLOBAL, /**< use the global setting */
} GncTaxIncluded;
const char * gncAmountTypeToString (GncAmountType type);
gboolean gncAmountStringToType (const char *str, GncAmountType *type);
const char * gncTaxIncludedTypeToString (GncTaxIncluded type);
gboolean gncTaxIncludedStringToType (const char *str, GncTaxIncluded *type);
/** @name Create/Destroy Functions
@{ */
GncTaxTable * gncTaxTableCreate (QofBook *book);
void gncTaxTableDestroy (GncTaxTable *table);
GncTaxTableEntry * gncTaxTableEntryCreate (void);
void gncTaxTableEntryDestroy (GncTaxTableEntry *entry);
/** @} */
/** \name Set Functions
@{
*/
void gncTaxTableSetName (GncTaxTable *table, const char *name);
void gncTaxTableIncRef (GncTaxTable *table);
void gncTaxTableDecRef (GncTaxTable *table);
void gncTaxTableEntrySetAccount (GncTaxTableEntry *entry, Account *account);
void gncTaxTableEntrySetType (GncTaxTableEntry *entry, GncAmountType type);
void gncTaxTableEntrySetAmount (GncTaxTableEntry *entry, gnc_numeric amount);
/** @} */
void gncTaxTableAddEntry (GncTaxTable *table, GncTaxTableEntry *entry);
void gncTaxTableRemoveEntry (GncTaxTable *table, GncTaxTableEntry *entry);
void gncTaxTableChanged (GncTaxTable *table);
void gncTaxTableBeginEdit (GncTaxTable *table);
void gncTaxTableCommitEdit (GncTaxTable *table);
gboolean gncTaxTableEqual(const GncTaxTable *a, const GncTaxTable *b);
/** @name Get Functions
@{ */
/** Return a pointer to the instance gncTaxTable that is identified
* by the guid, and is residing in the book. Returns NULL if the
* instance can't be found.
* Equivalent function prototype is
* GncTaxTable * gncTaxTableLookup (QofBook *book, const GncGUID *guid);
*/
static inline GncTaxTable *gncTaxTableLookup (const QofBook* book, const GncGUID *guid)
{
QOF_BOOK_RETURN_ENTITY(book, guid, GNC_ID_TAXTABLE, GncTaxTable);
}
GncTaxTable *gncTaxTableLookupByName (QofBook *book, const char *name);
typedef GList GncTaxTableList;
GncTaxTableList * gncTaxTableGetTables (QofBook *book);
const char *gncTaxTableGetName (const GncTaxTable *table);
GncTaxTable *gncTaxTableGetParent (const GncTaxTable *table);
GncTaxTable *gncTaxTableReturnChild (GncTaxTable *table, gboolean make_new);
#define gncTaxTableGetChild(t) gncTaxTableReturnChild((t),FALSE)
typedef GList GncTaxTableEntryList;
GncTaxTableEntryList* gncTaxTableGetEntries (const GncTaxTable *table);
gint64 gncTaxTableGetRefcount (const GncTaxTable *table);
time64 gncTaxTableLastModifiedSecs (const GncTaxTable *table);
Account * gncTaxTableEntryGetAccount (const GncTaxTableEntry *entry);
GncAmountType gncTaxTableEntryGetType (const GncTaxTableEntry *entry);
gnc_numeric gncTaxTableEntryGetAmount (const GncTaxTableEntry *entry);
/** @} */
int gncTaxTableCompare (const GncTaxTable *a, const GncTaxTable *b);
int gncTaxTableEntryCompare (const GncTaxTableEntry *a, const GncTaxTableEntry *b);
gboolean gncTaxTableEntryEqual(const GncTaxTableEntry *a, const GncTaxTableEntry *b);
/************************************************/
struct _gncAccountValue
{
Account * account;
gnc_numeric value;
};
/**
* This will add value to the account-value for acc, creating a new
* list object if necessary
*/
GList *gncAccountValueAdd (GList *list, Account *acc, gnc_numeric value);
/** Merge l2 into l1. l2 is not touched. */
GList *gncAccountValueAddList (GList *l1, GList *l2);
/** return the total for this list */
gnc_numeric gncAccountValueTotal (GList *list);
/** Destroy a list of accountvalues */
void gncAccountValueDestroy (GList *list);
/** QOF parameter definitions */
#define GNC_TT_NAME "tax table name"
#define GNC_TT_REFCOUNT "reference count"
/** @deprecated routine */
#define gncTaxTableGetGUID(x) qof_instance_get_guid(QOF_INSTANCE(x))
#define gncTaxTableRetGUID(x) (x ? *(qof_instance_get_guid(QOF_INSTANCE(x))) : *(guid_null()))
#define gncTaxTableLookupDirect(G,B) gncTaxTableLookup((B), &(G))
#endif /* GNC_TAXTABLE_H_ */
/** @} */
/** @} */