/usr/include/gnucash/qofutil.h is in gnucash-common 1:2.6.1-2.
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* qof-util.h -- QOF utility functions *
* *
* 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 Utilities
@{ */
/** @file qofutil.h
@brief QOF utility functions
@author Copyright (C) 1997 Robin D. Clark <rclark@cs.hmc.edu>
@author Copyright (C) 2000 Bill Gribble <grib@billgribble.com>
@author Copyright (C) 1997-2002,2004 Linas Vepstas <linas@linas.org>
@author Copyright 2006 Neil Williams <linux@codehelp.co.uk>
*/
#ifndef QOF_UTIL_H
#define QOF_UTIL_H
#include <stddef.h>
#include "qof.h"
#include "qoflog.h"
#include "qofutil.h"
#include "qofbackend.h"
#include "qofclass.h"
#include "qofbook.h"
#include "qofinstance.h"
/** Do not use these for printf, only scanf */
#if HAVE_SCANF_LLD
# define QOF_SCANF_LLD "%lld"
#else
# if HAVE_SCANF_QD
# define QOF_SCANF_LLD "%qd"
# else
# if HAVE_SCANF_I64D
# define QOF_SCANF_LLD "%I64d"
# else
# error "No scanf format string is known for LLD. Fix your ./configure so that the correct one is detected!"
# endif
# endif
#endif
#define QOF_MOD_UTIL "qof.utilities"
/** \name typedef enum as string macros
@{
*/
#define ENUM_BODY(name, value) \
name value,
#define AS_STRING_CASE(name, value) \
case name: { return #name; }
#define FROM_STRING_CASE(name, value) \
if (strcmp(str, #name) == 0) { \
return name; }
#define DEFINE_ENUM(name, list) \
typedef enum { \
list(ENUM_BODY) \
}name;
#define AS_STRING_DEC(name, list) \
const gchar* name##asString(name n);
#define AS_STRING_FUNC(name, list) \
const gchar* name##asString(name n) { \
switch (n) { \
list(AS_STRING_CASE) \
default: return ""; } }
#define FROM_STRING_DEC(name, list) \
name name##fromString \
(const gchar* str);
#define FROM_STRING_FUNC(name, list) \
name name##fromString \
(const gchar* str) { \
if(str == NULL) { return 0; } \
list(FROM_STRING_CASE) \
return 0; }
/** @} */
/** \name enum as string with no typedef
@{
Similar but used when the enum is NOT a typedef
Make sure you use the DEFINE_ENUM_NON_TYPEDEF macro.
You can precede the FROM_STRING_FUNC_NON_TYPEDEF
and AS_STRING_FUNC_NON_TYPEDEF macros with the
keyword static if appropriate.
ENUM_BODY is used in both types.
*/
#define DEFINE_ENUM_NON_TYPEDEF(name, list) \
enum name { \
list(ENUM_BODY) \
};
#define FROM_STRING_DEC_NON_TYPEDEF(name, list) \
void name##fromString \
(const gchar* str, enum name *type);
#define FROM_STRING_CASE_NON_TYPEDEF(name, value) \
if (strcmp(str, #name) == 0) { *type = name; }
#define FROM_STRING_FUNC_NON_TYPEDEF(name, list) \
void name##fromString \
(const gchar* str, enum name *type) { \
if(str == NULL) { return; } \
list(FROM_STRING_CASE_NON_TYPEDEF) }
#define AS_STRING_DEC_NON_TYPEDEF(name, list) \
const gchar* name##asString(enum name n);
#define AS_STRING_FUNC_NON_TYPEDEF(name, list) \
const gchar* name##asString(enum name n) { \
switch (n) { \
list(AS_STRING_CASE_NON_TYPEDEF) \
default: return ""; } }
#define AS_STRING_CASE_NON_TYPEDEF(name, value) \
case name: { return #name; }
/** @} */
/** @name Convenience wrappers
@{
*/
/** \brief Initialise the Query Object Framework
Use in place of separate init functions (like guid_init()
and qof_query_init() etc.) to protect against future changes.
*/
void qof_init (void);
/** \brief Safely close down the Query Object Framework
Use in place of separate close / shutdown functions
(like guid_shutdown(), qof_query_shutdown() etc.) to protect
against future changes.
*/
void qof_close (void);
/** @} */
/* **** Prototypes *********************************************/
/** Calls the given function for each of the key/value pairs in the
* GHashTable in an order determined by the GCompareFunc applied to
* the keys. The function is passed the key and value of each pair,
* and the given user_data parameter. */
void g_hash_table_foreach_sorted(GHashTable *hash_table, GHFunc func, gpointer user_data, GCompareFunc compare_func);
/** Search for an occurence of the substring needle in the string
* haystack, ignoring case. Return TRUE if one is found or FALSE
* otherwise. */
gboolean qof_utf8_substr_nocase (const gchar *haystack, const gchar *needle);
/** case sensitive comparison of strings da and db - either
may be NULL. A non-NULL string is greater than a NULL string.
@param da string 1.
@param db string 2.
@return If da == NULL && db != NULL, returns -1.
If da != NULL && db == NULL, returns +1.
If da != NULL && db != NULL, returns the result of
strcmp(da, db).
If da == NULL && db == NULL, returns 0.
*/
gint safe_strcasecmp (const gchar * da, const gchar * db);
/** The null_strcmp compares strings a and b the same way that strcmp()
* does, except that either may be null. This routine assumes that
* a null string is equal to the empty string.
*/
gint null_strcmp (const gchar * da, const gchar * db);
/** The ultostr() subroutine is the inverse of strtoul(). It accepts a
* number and prints it in the indicated base. The returned string
* should be g_freed when done. */
gchar * ultostr (gulong val, gint base);
/** Returns true if string s is a number, possibly surrounded by
* whitespace. */
gboolean gnc_strisnum(const gchar *s);
#ifndef HAVE_STPCPY
#define stpcpy g_stpcpy
#endif
/** begin_edit
*
* @param inst: an instance of QofInstance
*
* The caller should use this macro first and then perform any other operations.
*/
gboolean qof_begin_edit(QofInstance *inst);
/**
* commit_edit helpers
*
* The caller should call PART1 as the first thing, then
* perform any local operations prior to calling the backend.
* Then call PART2.
*/
/**
* part1 -- deal with the editlevel
*
* @param inst: an instance of QofInstance
*/
gboolean qof_commit_edit(QofInstance *inst);
/**
* part2 -- deal with the backend
*
* @param inst: an instance of QofInstance
* @param on_error: a function called if there is a backend error.
* void (*on_error)(inst, QofBackendError)
* @param on_done: a function called after the commit is completed
* successfully for an object which remained valid.
* void (*on_done)(inst)
* @param on_free: a function called if the commit succeeded and the instance
* is to be freed.
* void (*on_free)(inst)
*
* Note that only *one* callback will be called (or zero, if that
* callback is NULL). In particular, 'on_done' will not be called for
* an object which is to be freed.
*
* Returns TRUE, if the commit succeeded, FALSE otherwise.
*/
gboolean
qof_commit_edit_part2(QofInstance *inst,
void (*on_error)(QofInstance *, QofBackendError),
void (*on_done)(QofInstance *),
void (*on_free)(QofInstance *));
#endif /* QOF_UTIL_H */
/** @} */
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