gncTaxTable.h

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/********************************************************************\
 * 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                   *
 *                                                                  *
\********************************************************************/
#ifndef GNC_TAXTABLE_H_
#define GNC_TAXTABLE_H_

typedef struct _gncTaxTable GncTaxTable;
typedef struct _gncTaxTableClass GncTaxTableClass;

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);

typedef enum
{
    GNC_AMT_TYPE_VALUE = 1,     
    GNC_AMT_TYPE_PERCENT                
} GncAmountType;

typedef enum
{
    GNC_TAXINCLUDED_YES = 1,  
    GNC_TAXINCLUDED_NO,         
    GNC_TAXINCLUDED_USEGLOBAL, 
} 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);

GncTaxTable * gncTaxTableCreate (QofBook *book);
void gncTaxTableDestroy (GncTaxTable *table);
GncTaxTableEntry * gncTaxTableEntryCreate (void);
void gncTaxTableEntryDestroy (GncTaxTableEntry *entry);
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);

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);

GList * 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);
Timespec gncTaxTableLastModified (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;
};

GList *gncAccountValueAdd (GList *list, Account *acc, gnc_numeric value);

GList *gncAccountValueAddList (GList *l1, GList *l2);

gnc_numeric gncAccountValueTotal (GList *list);

void gncAccountValueDestroy (GList *list);

#define GNC_TT_NAME "tax table name"
#define GNC_TT_REFCOUNT "reference count"

#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_ */