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gnucash/libgnucash/app-utils/gnc-ui-util.cpp
Christopher Lam 8c94132f13 Bug 799268 - Cannot write a check over $1000 
this is caused by d52d226e5b which caused log_val, pow_val, this_part
to be kept as float instead of the original algorithm which required
casting to int.
2024-04-10 13:30:59 +08:00

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/********************************************************************\
* gnc-ui-util.c -- utility functions for the GnuCash UI *
* Copyright (C) 2000 Dave Peticolas <dave@krondo.com> *
* *
* 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 *
\********************************************************************/
#include <config.h>
#ifdef __MINGW32__
#define __USE_MINGW_ANSI_STDIO 1
#endif
#include "gnc-ui-util.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <locale.h>
#include <math.h>
#if defined(G_OS_WIN32) && !defined(_MSC_VER)
# include <pow.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <cinttypes>
#include <unicode/listformatter.h>
#include "qof.h"
#include "gnc-prefs.h"
#include "Account.h"
#include "Transaction.h"
#include "gnc-engine.h"
#include "gnc-features.h"
#include "gnc-hooks.h"
#include "gnc-session.h"
#include "engine-helpers.h"
#include "gnc-locale-utils.h"
#define GNC_PREF_CURRENCY_CHOICE_LOCALE "currency-choice-locale"
#define GNC_PREF_CURRENCY_CHOICE_OTHER "currency-choice-other"
#define GNC_PREF_CURRENCY_OTHER "currency-other"
#define GNC_PREF_REVERSED_ACCTS_NONE "reversed-accounts-none"
#define GNC_PREF_REVERSED_ACCTS_CREDIT "reversed-accounts-credit"
#define GNC_PREF_REVERSED_ACCTS_INC_EXP "reversed-accounts-incomeexpense"
#define GNC_PREF_PRICES_FORCE_DECIMAL "force-price-decimal"
using UniStr = icu::UnicodeString;
static QofLogModule log_module = GNC_MOD_GUI;
static bool auto_decimal_enabled = false;
static int auto_decimal_places = 2; /* default, can be changed */
static bool reverse_balance_inited = false;
static bool reverse_type[NUM_ACCOUNT_TYPES];
/* Cache currency ISO codes and only look them up in the settings when
* absolutely necessary. Can't cache a pointer to the data structure
* as that will change any time the book changes. */
static char* user_default_currency = nullptr;
static char* user_report_currency = nullptr;
constexpr int maximum_decimals = 15;
constexpr int64_t pow_10[] = {1, 10, 100, 1000, 10000, 100000, 1000000,
10000000, 100000000, 1000000000, 10000000000,
100000000000, 1000000000000, 10000000000000,
100000000000000, 1000000000000000};
char*
gnc_normalize_account_separator (const gchar* separator)
{
char* new_sep=nullptr;
if (!separator || !*separator || g_strcmp0(separator, "colon") == 0)
new_sep = g_strdup (":");
else if (g_strcmp0(separator, "slash") == 0)
new_sep = g_strdup ("/");
else if (g_strcmp0(separator, "backslash") == 0)
new_sep = g_strdup ("\\");
else if (g_strcmp0(separator, "dash") == 0)
new_sep = g_strdup ("-");
else if (g_strcmp0(separator, "period") == 0)
new_sep = g_strdup (".");
else
new_sep = g_strdup (separator);
return new_sep;
}
/********************************************************************\
* gnc_configure_account_separator *
* updates the current account separator character *
* *
* Args: none *
\*******************************************************************/
static void
gnc_configure_account_separator (void)
{
auto string = gnc_prefs_get_string(GNC_PREFS_GROUP_GENERAL, GNC_PREF_ACCOUNT_SEPARATOR);
auto separator = gnc_normalize_account_separator (string);
gnc_set_account_separator(separator);
g_free(string);
g_free(separator);
}
static void
gnc_configure_reverse_balance (void)
{
for (auto i = 0; i < NUM_ACCOUNT_TYPES; i++)
reverse_type[i] = false;
if (gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_INC_EXP))
{
reverse_type[ACCT_TYPE_INCOME] = true;
reverse_type[ACCT_TYPE_EXPENSE] = true;
}
else if (gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_CREDIT))
{
reverse_type[ACCT_TYPE_LIABILITY] = true;
reverse_type[ACCT_TYPE_PAYABLE] = true;
reverse_type[ACCT_TYPE_EQUITY] = true;
reverse_type[ACCT_TYPE_INCOME] = true;
reverse_type[ACCT_TYPE_CREDIT] = true;
}
else if (!gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_NONE))
PWARN("no reversed account preference set, using none");
}
static void
gnc_reverse_balance_init (void)
{
gnc_configure_reverse_balance ();
reverse_balance_inited = TRUE;
}
gboolean
gnc_reverse_balance (const Account *account)
{
if (account == nullptr)
return FALSE;
auto type = xaccAccountGetType (account);
if ((type < 0) || (type >= NUM_ACCOUNT_TYPES))
return FALSE;
if (!reverse_balance_inited)
gnc_reverse_balance_init ();
return reverse_type[type];
}
gboolean gnc_using_equity_type_opening_balance_account (QofBook* book)
{
return gnc_features_check_used (book, GNC_FEATURE_EQUITY_TYPE_OPENING_BALANCE);
}
void gnc_set_use_equity_type_opening_balance_account (QofBook* book)
{
gnc_features_set_used (book, GNC_FEATURE_EQUITY_TYPE_OPENING_BALANCE);
}
char*
gnc_get_default_directory (const char* section)
{
auto dir = gnc_prefs_get_string (section, GNC_PREF_LAST_PATH);
if (!(dir && *dir))
{
g_free (dir); // if it's ""
#ifdef G_OS_WIN32
dir = g_strdup (g_get_user_data_dir ()); /* equivalent of "My Documents" */
#else
dir = g_strdup (g_get_home_dir ());
#endif
}
return dir;
}
void
gnc_set_default_directory (const char* section, const char* directory)
{
gnc_prefs_set_string(section, GNC_PREF_LAST_PATH, directory);
}
QofBook *
gnc_get_current_book (void)
{
return qof_session_get_book (gnc_get_current_session ());
}
/* If there is no current session, there is no book and we must be dealing
* with a new book. When gnucash is started with --nofile, there is
* initially no session (and no book), but by the time we check, one
* could have been created (for example, if an empty account tree tab is
* opened, a session is created which creates a new, but empty, book).
* A session is created and a book is loaded from a backend when gnucash is
* started with a file, but selecting 'new file' keeps a session open. So we
* need to check as well for a book with no accounts (root with no children). */
gboolean
gnc_is_new_book (void)
{
return (!gnc_current_session_exist() ||
gnc_account_n_children (gnc_book_get_root_account (gnc_get_current_book ())) == 0);
}
#define OPTION_TAXUS_NAME "tax_US/name"
#define OPTION_TAXUS_TYPE "tax_US/type"
#define OLD_OPTION_TAXUS_NAME "book/tax_US/name"
#define OLD_OPTION_TAXUS_TYPE "book/tax_US/type"
void
gnc_set_current_book_tax_name_type (gboolean name_changed, const char* tax_name,
gboolean type_changed, const char* tax_type)
{
if (name_changed)
{
if (type_changed)
{
auto book = gnc_get_current_book();
if ((g_strcmp0 (tax_name, "") == 0) ||
(tax_name == nullptr))
{ /* change to no name */
if ((g_strcmp0 (tax_type, "Other") == 0) ||
(g_strcmp0 (tax_type, "") == 0) ||
(tax_type == nullptr))
{ /* need to delete both name and type and the "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, nullptr);
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, nullptr);
qof_book_option_frame_delete(book, "tax_US");
}
else
{ /* delete the name & change the type; keep the "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, nullptr);
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, tax_type);
}
}
else /* new name */
{
if ((g_strcmp0 (tax_type, "Other") == 0) ||
(g_strcmp0 (tax_type, "") == 0) ||
(tax_type == nullptr))
{ /* delete the type & change the name; keep the "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, nullptr);
qof_book_set_string_option(book, OPTION_TAXUS_NAME, tax_name);
}
else /* and new type */
{ /* change the name & change the type */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, tax_name);
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, tax_type);
}
}
}
else /* no type change but name changed */
{
auto book = gnc_get_current_book();
if ((g_strcmp0 (tax_name, "") == 0) ||
(tax_name == nullptr))
{ /* change to no name */
if ((g_strcmp0 (tax_type, "Other") == 0) ||
(g_strcmp0 (tax_type, "") == 0) ||
(tax_type == nullptr))
{ /* delete the name; there is no type; deleted the "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, nullptr);
qof_book_option_frame_delete(book, "tax_US");
}
else
{ /* need to delete the name and keep "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, nullptr);
}
}
else
{ /* change the name & keep "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, tax_name);
}
}
}
else /* no name change */
{
if (type_changed)
{
auto book = gnc_get_current_book();
if ((g_strcmp0 (tax_type, "Other") == 0) ||
(g_strcmp0 (tax_type, "") == 0) ||
(tax_type == nullptr))
{
if ((g_strcmp0 (tax_name, "") == 0) ||
(tax_name == nullptr))
{/* delete the type; there is no name; delete the "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, nullptr);
qof_book_option_frame_delete(book, "tax_US");
}
else
{ /* need to delete the type and keep "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, nullptr);
}
}
else
{ /* change the type & keep "tax_US" frame */
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, tax_type);
}
} /*else no name and no type change - do nothing */
}
}
const char*
gnc_get_current_book_tax_name (void)
{
auto book = gnc_get_current_book();
auto tax_name = qof_book_get_string_option(book, OPTION_TAXUS_NAME);
if (tax_name)
{
return tax_name;
}
else
{
const char* old_option_taxus_name =
qof_book_get_string_option(book, OLD_OPTION_TAXUS_NAME);
if (old_option_taxus_name)
{
char* taxus_name = g_strdup(old_option_taxus_name);
const char* old_option_taxus_type =
qof_book_get_string_option(book, OLD_OPTION_TAXUS_TYPE);
if (old_option_taxus_type)
{ /* switch both name and type and remove unused frames */
char* taxus_type = g_strdup(old_option_taxus_type);
qof_book_set_string_option(book, OPTION_TAXUS_NAME, taxus_name);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_NAME, nullptr);
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, taxus_type);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_TYPE, nullptr);
qof_book_option_frame_delete(book, "book/tax_US");
qof_book_option_frame_delete(book, "book");
g_free (taxus_type);
}
else
{ /* switch just name and remove unused frames */
qof_book_set_string_option(book, OPTION_TAXUS_NAME, taxus_name);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_NAME, nullptr);
qof_book_option_frame_delete(book, "book/tax_US");
qof_book_option_frame_delete(book, "book");
}
g_free (taxus_name);
return qof_book_get_string_option(book, OPTION_TAXUS_NAME);
}
return nullptr;
}
}
const char*
gnc_get_current_book_tax_type (void)
{
auto book = gnc_get_current_book();
auto tax_type =
qof_book_get_string_option(book, OPTION_TAXUS_TYPE);
if (tax_type)
{
return tax_type;
}
else
{
auto old_option_taxus_type =
qof_book_get_string_option(book, OLD_OPTION_TAXUS_TYPE);
if (old_option_taxus_type)
{
auto taxus_type = g_strdup(old_option_taxus_type);
auto old_option_taxus_name =
qof_book_get_string_option(book, OLD_OPTION_TAXUS_NAME);
if (old_option_taxus_name)
{ /* switch both name and type and remove unused frames */
auto taxus_name = g_strdup(old_option_taxus_name);
qof_book_set_string_option(book, OPTION_TAXUS_NAME, taxus_name);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_NAME, nullptr);
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, taxus_type);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_TYPE, nullptr);
qof_book_option_frame_delete(book, "book/tax_US");
qof_book_option_frame_delete(book, "book");
g_free (taxus_name);
}
else
{ /* switch just type and remove unused frames */
qof_book_set_string_option(book, OPTION_TAXUS_TYPE, taxus_type);
qof_book_set_string_option(book, OLD_OPTION_TAXUS_TYPE, nullptr);
qof_book_option_frame_delete(book, "book/tax_US");
qof_book_option_frame_delete(book, "book");
}
g_free (taxus_type);
return qof_book_get_string_option(book, OPTION_TAXUS_TYPE);
}
return nullptr;
}
}
Account *
gnc_get_current_root_account (void)
{
return gnc_book_get_root_account (gnc_get_current_book ());
}
gnc_commodity_table *
gnc_get_current_commodities (void)
{
if (gnc_current_session_exist())
return gnc_commodity_table_get_table (gnc_get_current_book ());
return nullptr;
}
char*
gnc_get_account_name_for_split_register(const Account *account,
gboolean show_leaf_accounts)
{
if (show_leaf_accounts)
return g_strdup (xaccAccountGetName (account));
else
return gnc_account_get_full_name (account);
}
char*
gnc_get_account_name_for_register(const Account *account)
{
auto show_leaf_accounts =
gnc_prefs_get_bool(GNC_PREFS_GROUP_GENERAL_REGISTER,
GNC_PREF_SHOW_LEAF_ACCT_NAMES);
return gnc_get_account_name_for_split_register(account, show_leaf_accounts);
}
Account *
gnc_account_lookup_for_register(const Account *base_account, const char* name)
{
auto show_leaf_accounts =
gnc_prefs_get_bool(GNC_PREFS_GROUP_GENERAL_REGISTER,
GNC_PREF_SHOW_LEAF_ACCT_NAMES);
if (show_leaf_accounts)
return gnc_account_lookup_by_name (base_account, name);
else
return gnc_account_lookup_by_full_name (base_account, name);
}
/********************************************************************\
* gnc_get_reconcile_str *
* return the i18n'd string for the given reconciled flag *
* *
* Args: reconciled_flag - the flag to convert into a string *
* Returns: the i18n'd reconciled string *
\********************************************************************/
const char*
gnc_get_reconcile_str (char reconciled_flag)
{
switch (reconciled_flag)
{
case NREC:
return C_("Reconciled flag 'not cleared'", "n");
case CREC:
return C_("Reconciled flag 'cleared'", "c");
case YREC:
return C_("Reconciled flag 'reconciled'", "y");
case FREC:
return C_("Reconciled flag 'frozen'", "f");
case VREC:
return C_("Reconciled flag 'void'", "v");
default:
PERR("Bad reconciled flag\n");
return nullptr;
}
}
/********************************************************************\
* gnc_get_reconcile_valid_flags *
* return a string containing the list of reconciled flags *
* *
* Returns: the i18n'd reconciled flags string *
\********************************************************************/
const char*
gnc_get_reconcile_valid_flags (void)
{
static const char flags[] = { NREC, CREC, YREC, FREC, VREC, 0 };
return flags;
}
/********************************************************************\
* gnc_get_reconcile_flag_order *
* return a string containing the reconciled-flag change order *
* *
* Args: reconciled_flag - the flag to convert into a string *
* Returns: the i18n'd reconciled string *
\********************************************************************/
const char*
gnc_get_reconcile_flag_order (void)
{
static const char flags[] = { NREC, CREC, 0 };
return flags;
}
const char*
gnc_get_doclink_str (char link_flag)
{
switch (link_flag)
{
case WLINK:
return C_("Document Link flag for 'web'", "w");
case FLINK:
return C_("Document Link flag for 'file'", "f");
case ' ':
return " ";
default:
PERR("Bad link flag");
return nullptr;
}
}
const char*
gnc_get_doclink_valid_flags (void)
{
static const char flags[] = { FLINK, WLINK, ' ', 0 };
return flags;
}
const char*
gnc_get_doclink_flag_order (void)
{
static const char flags[] = { FLINK, WLINK, ' ', 0 };
return flags;
}
static const char*
equity_base_name (GNCEquityType equity_type)
{
switch (equity_type)
{
case EQUITY_OPENING_BALANCE:
return N_("Opening Balances");
case EQUITY_RETAINED_EARNINGS:
return N_("Retained Earnings");
default:
return nullptr;
}
}
Account *
gnc_find_or_create_equity_account (Account *root,
GNCEquityType equity_type,
gnc_commodity *currency)
{
g_return_val_if_fail (equity_type >= 0, nullptr);
g_return_val_if_fail (equity_type < NUM_EQUITY_TYPES, nullptr);
g_return_val_if_fail (currency != nullptr, nullptr);
g_return_val_if_fail (root != nullptr, nullptr);
g_return_val_if_fail (gnc_commodity_is_currency(currency), nullptr);
auto use_eq_op_feature = equity_type == EQUITY_OPENING_BALANCE && gnc_using_equity_type_opening_balance_account (gnc_get_current_book ());
if (use_eq_op_feature)
{
auto account = gnc_account_lookup_by_opening_balance (root, currency);
if (account)
return account;
}
auto base_name = equity_base_name (equity_type);
auto account = gnc_account_lookup_by_name(root, base_name);
if (account && xaccAccountGetType (account) != ACCT_TYPE_EQUITY)
account = nullptr;
if (!account)
{
base_name = base_name && *base_name ? _(base_name) : "";
account = gnc_account_lookup_by_name(root, base_name);
if (account && xaccAccountGetType (account) != ACCT_TYPE_EQUITY)
account = nullptr;
}
auto base_name_exists = (account != nullptr);
if (account &&
gnc_commodity_equiv (currency, xaccAccountGetCommodity (account)))
{
if (use_eq_op_feature)
xaccAccountSetIsOpeningBalance (account, TRUE);
return account;
}
auto name = g_strconcat (base_name, " - ",
gnc_commodity_get_mnemonic (currency), nullptr);
account = gnc_account_lookup_by_name(root, name);
if (account && xaccAccountGetType (account) != ACCT_TYPE_EQUITY)
account = nullptr;
auto name_exists = (account != nullptr);
if (account &&
gnc_commodity_equiv (currency, xaccAccountGetCommodity (account)))
{
if (use_eq_op_feature)
xaccAccountSetIsOpeningBalance (account, TRUE);
return account;
}
/* Couldn't find one, so create it */
if (name_exists && base_name_exists)
{
PWARN ("equity account with unexpected currency");
g_free (name);
return nullptr;
}
if (!base_name_exists &&
gnc_commodity_equiv (currency, gnc_default_currency ()))
{
g_free (name);
name = g_strdup (base_name);
}
auto parent = gnc_account_lookup_by_name(root, _("Equity"));
if (!parent || xaccAccountGetType (parent) != ACCT_TYPE_EQUITY)
parent = root;
g_assert(parent);
account = xaccMallocAccount (gnc_account_get_book(root));
xaccAccountBeginEdit (account);
xaccAccountSetName (account, name);
xaccAccountSetType (account, ACCT_TYPE_EQUITY);
xaccAccountSetCommodity (account, currency);
if (use_eq_op_feature)
xaccAccountSetIsOpeningBalance (account, TRUE);
xaccAccountBeginEdit (parent);
gnc_account_append_child (parent, account);
xaccAccountCommitEdit (parent);
xaccAccountCommitEdit (account);
g_free (name);
return account;
}
gboolean
gnc_account_create_opening_balance (Account *account,
gnc_numeric balance,
time64 date,
QofBook *book)
{
if (gnc_numeric_zero_p (balance))
return TRUE;
g_return_val_if_fail (account != nullptr, FALSE);
auto commodity = xaccAccountGetCommodity (account);
g_return_val_if_fail (gnc_commodity_is_currency (commodity), FALSE);
auto equity_account =
gnc_find_or_create_equity_account (gnc_account_get_root(account),
EQUITY_OPENING_BALANCE,
commodity);
if (!equity_account)
return FALSE;
xaccAccountBeginEdit (account);
xaccAccountBeginEdit (equity_account);
auto trans = xaccMallocTransaction (book);
xaccTransBeginEdit (trans);
xaccTransSetCurrency (trans, gnc_account_or_default_currency (account, nullptr));
xaccTransSetDatePostedSecsNormalized (trans, date);
xaccTransSetDescription (trans, _("Opening Balance"));
auto split = xaccMallocSplit (book);
xaccTransAppendSplit (trans, split);
xaccAccountInsertSplit (account, split);
xaccSplitSetAmount (split, balance);
xaccSplitSetValue (split, balance);
balance = gnc_numeric_neg (balance);
split = xaccMallocSplit (book);
xaccTransAppendSplit (trans, split);
xaccAccountInsertSplit (equity_account, split);
xaccSplitSetAmount (split, balance);
xaccSplitSetValue (split, balance);
xaccTransCommitEdit (trans);
xaccAccountCommitEdit (equity_account);
xaccAccountCommitEdit (account);
return TRUE;
}
gnc_commodity *
gnc_locale_default_currency_nodefault (void)
{
auto table = gnc_get_current_commodities ();
auto code = gnc_locale_default_iso_currency_code ();
auto currency = gnc_commodity_table_lookup (table,
GNC_COMMODITY_NS_CURRENCY,
code);
return (currency ? currency : nullptr);
}
gnc_commodity*
gnc_locale_default_currency (void)
{
auto currency = gnc_locale_default_currency_nodefault ();
return (currency ? currency :
gnc_commodity_table_lookup (gnc_get_current_commodities (),
GNC_COMMODITY_NS_CURRENCY, "USD"));
}
static gnc_commodity*
gnc_default_currency_common (char* requested_currency,
const char* section)
{
gnc_commodity *currency = nullptr;
if (requested_currency)
return gnc_commodity_table_lookup(gnc_get_current_commodities(),
GNC_COMMODITY_NS_CURRENCY,
requested_currency);
if (gnc_current_session_exist() &&
gnc_prefs_get_bool (section, GNC_PREF_CURRENCY_CHOICE_OTHER))
{
auto mnemonic = gnc_prefs_get_string(section, GNC_PREF_CURRENCY_OTHER);
currency = gnc_commodity_table_lookup(gnc_get_current_commodities(),
GNC_COMMODITY_NS_CURRENCY,
mnemonic);
DEBUG("mnemonic %s, result %p",
mnemonic && *mnemonic ? mnemonic : "(null)", currency);
g_free(mnemonic);
}
if (!currency)
currency = gnc_locale_default_currency ();
if (currency)
{
g_free (requested_currency);
}
return currency;
}
gnc_commodity*
gnc_default_currency (void)
{
return gnc_default_currency_common (user_default_currency,
GNC_PREFS_GROUP_GENERAL);
}
gnc_commodity*
gnc_account_or_default_currency(const Account* account,
gboolean * currency_from_account_found)
{
gnc_commodity *currency;
if (!account)
{
if (currency_from_account_found)
*currency_from_account_found = FALSE;
return gnc_default_currency();
}
currency = gnc_account_get_currency_or_parent(account);
if (currency)
{
if (currency_from_account_found)
*currency_from_account_found = TRUE;
}
else
{
if (currency_from_account_found)
*currency_from_account_found = FALSE;
currency = gnc_default_currency();
}
return currency;
}
gnc_commodity*
gnc_default_report_currency (void)
{
return gnc_default_currency_common (user_report_currency,
GNC_PREFS_GROUP_GENERAL_REPORT);
}
static void
gnc_currency_changed_cb (GSettings *settings, char* key, gpointer user_data)
{
user_default_currency = nullptr;
user_report_currency = nullptr;
gnc_hook_run(HOOK_CURRENCY_CHANGED, nullptr);
}
GNCPrintAmountInfo
gnc_default_print_info (gboolean use_symbol)
{
static GNCPrintAmountInfo info;
static bool got_it = false;
/* These must be updated each time. */
info.use_symbol = use_symbol ? 1 : 0;
info.commodity = gnc_default_currency ();
if (got_it)
return info;
auto lc = gnc_localeconv ();
info.max_decimal_places = lc->frac_digits;
info.min_decimal_places = lc->frac_digits;
info.use_separators = 1;
info.use_locale = 1;
info.monetary = 1;
info.force_fit = 0;
info.round = 0;
got_it = TRUE;
return info;
}
static bool
is_decimal_fraction (int fraction, uint8_t *max_decimal_places_p)
{
uint8_t max_decimal_places = 0;
if (fraction <= 0)
return false;
while (fraction != 1)
{
if (fraction % 10 != 0)
return false;
fraction = fraction / 10;
max_decimal_places += 1;
}
if (max_decimal_places_p)
*max_decimal_places_p = max_decimal_places;
return true;
}
GNCPrintAmountInfo
gnc_commodity_print_info (const gnc_commodity *commodity,
gboolean use_symbol)
{
GNCPrintAmountInfo info;
if (commodity == nullptr)
return gnc_default_print_info (use_symbol);
info.commodity = commodity;
auto is_iso = gnc_commodity_is_iso (commodity);
if (is_decimal_fraction (gnc_commodity_get_fraction (commodity),
&info.max_decimal_places))
{
if (is_iso)
info.min_decimal_places = info.max_decimal_places;
else
info.min_decimal_places = 0;
}
else
info.max_decimal_places = info.min_decimal_places = 0;
info.use_separators = 1;
info.use_symbol = use_symbol ? 1 : 0;
info.use_locale = is_iso ? 1 : 0;
info.monetary = 1;
info.force_fit = 0;
info.round = 0;
return info;
}
static GNCPrintAmountInfo
gnc_account_print_info_helper(const Account *account, gboolean use_symbol,
gnc_commodity * (*efffunc)(const Account *),
int (*scufunc)(const Account*))
{
GNCPrintAmountInfo info;
if (account == nullptr)
return gnc_default_print_info (use_symbol);
info.commodity = efffunc (account);
auto is_iso = gnc_commodity_is_iso (info.commodity);
auto scu = scufunc (account);
if (is_decimal_fraction (scu, &info.max_decimal_places))
{
if (is_iso)
info.min_decimal_places = info.max_decimal_places;
else
info.min_decimal_places = 0;
}
else
info.max_decimal_places = info.min_decimal_places = 0;
info.use_separators = 1;
info.use_symbol = use_symbol ? 1 : 0;
info.use_locale = is_iso ? 1 : 0;
info.monetary = 1;
info.force_fit = 0;
info.round = 0;
return info;
}
GNCPrintAmountInfo
gnc_account_print_info (const Account *account, gboolean use_symbol)
{
return gnc_account_print_info_helper(account, use_symbol,
xaccAccountGetCommodity,
xaccAccountGetCommoditySCU);
}
GNCPrintAmountInfo
gnc_split_amount_print_info (Split *split, gboolean use_symbol)
{
if (!split)
{
GNCPrintAmountInfo info = gnc_default_share_print_info ();
info.use_symbol = use_symbol;
return info;
}
return gnc_account_print_info (xaccSplitGetAccount (split), use_symbol);
}
static GNCPrintAmountInfo
gnc_default_print_info_helper (int decplaces)
{
GNCPrintAmountInfo info;
info.commodity = nullptr;
info.max_decimal_places = decplaces;
info.min_decimal_places = 0;
info.use_separators = 1;
info.use_symbol = 0;
info.use_locale = 1;
info.monetary = 1;
info.force_fit = 0;
info.round = 0;
return info;
}
GNCPrintAmountInfo
gnc_default_share_print_info (void)
{
static GNCPrintAmountInfo info;
static bool got_it = false;
if (!got_it)
{
info = gnc_default_print_info_helper (5);
info.monetary = 0;
got_it = TRUE;
}
return info;
}
GNCPrintAmountInfo
gnc_share_print_info_places (int decplaces)
{
GNCPrintAmountInfo info;
info = gnc_default_share_print_info ();
info.max_decimal_places = decplaces;
info.min_decimal_places = decplaces;
info.force_fit = 1;
info.round = 1;
return info;
}
GNCPrintAmountInfo
gnc_price_print_info (const gnc_commodity *curr, gboolean use_symbol)
{
GNCPrintAmountInfo info;
auto force = gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_PRICES_FORCE_DECIMAL);
info.commodity = curr;
if (info.commodity)
{
int frac = gnc_commodity_get_fraction (curr);
guint8 decplaces = 2;
while (frac != 1 && (frac % 10) == 0 && (frac /= 10)) ++decplaces;
info.max_decimal_places = decplaces;
info.min_decimal_places = decplaces;
}
else
{
info.max_decimal_places = 6;
info.min_decimal_places = 0;
}
info.use_separators = 1;
info.use_symbol = use_symbol ? 1 : 0;
info.use_locale = 1;
info.monetary = 1;
info.force_fit = force;
info.round = force;
return info;
}
GNCPrintAmountInfo
gnc_default_price_print_info (const gnc_commodity *curr)
{
return gnc_price_print_info (curr, FALSE);
}
GNCPrintAmountInfo
gnc_integral_print_info (void)
{
static GNCPrintAmountInfo info;
static bool got_it = false;
if (!got_it)
{
info = gnc_default_print_info_helper (0);
got_it = TRUE;
}
return info;
}
/* Utility function for printing non-negative amounts */
static int
PrintAmountInternal(char* buf, gnc_numeric val, const GNCPrintAmountInfo *info)
{
auto *lc = gnc_localeconv();
constexpr size_t buf_size = 128;
char temp_buf[buf_size];
g_return_val_if_fail (info != nullptr, 0);
if (gnc_numeric_check (val))
{
PWARN ("Bad numeric: %s.",
gnc_numeric_errorCode_to_string(gnc_numeric_check (val)));
*buf = '\0';
return 0;
}
/* Print the absolute value, but remember sign */
auto value_is_negative = gnc_numeric_negative_p (val);
val = gnc_numeric_abs (val);
/* Try to print as decimal. */
auto value_is_decimal = gnc_numeric_to_decimal(&val, nullptr);
if (!value_is_decimal && info->force_fit && info->round)
{
/* if there's a commodity use 100x the commodity's fraction. N.B. This
* assumes that commodity fractions are multiples of 10, a reasonable
* assumption in 2018. Otherwise, if there's a reasonable
* max_decimal_places, use that.
*/
const int64_t denom = info->commodity ?
gnc_commodity_get_fraction(info->commodity) * 100 :
(info->max_decimal_places &&
info->max_decimal_places <= maximum_decimals) ?
pow_10[info->max_decimal_places] : pow_10[maximum_decimals];
val = gnc_numeric_convert(val, denom, GNC_HOW_RND_ROUND_HALF_UP);
value_is_decimal = gnc_numeric_to_decimal(&val, nullptr);
}
auto min_dp = info->min_decimal_places;
auto max_dp = info->max_decimal_places;
/* Don to limit the number of decimal places _UNLESS_ force_fit is
* true. */
if (!info->force_fit)
max_dp = 99;
/* rounding? -- can only ROUND if force_fit is also true */
if (value_is_decimal && info->round && info->force_fit)
{
/* Limit the denom to 10^13 ~= 2^44, leaving max at ~524288 */
gnc_numeric rounding{5, pow_10[max_dp + 1]};
val = gnc_numeric_add(val, rounding, val.denom,
GNC_HOW_DENOM_EXACT | GNC_HOW_RND_TRUNC);
if (gnc_numeric_check(val))
{
PWARN ("Bad numeric from rounding: %s.",
gnc_numeric_errorCode_to_string(gnc_numeric_check (val)));
*buf = '\0';
return 0;
}
}
/* calculate the integer part and the remainder */
auto whole = gnc_numeric_convert(val, 1, GNC_HOW_RND_TRUNC);
val = gnc_numeric_sub (val, whole, GNC_DENOM_AUTO, GNC_HOW_RND_NEVER);
if (gnc_numeric_check (val))
{
PWARN ("Problem with remainder: %s.",
gnc_numeric_errorCode_to_string(gnc_numeric_check (val)));
*buf = '\0';
return 0;
}
// Value may now be decimal, for example if the factional part is zero
value_is_decimal = gnc_numeric_to_decimal(&val, nullptr);
/* print the integer part without separators */
snprintf(temp_buf, buf_size, "%" G_GINT64_FORMAT, whole.num);
auto num_whole_digits = strlen (temp_buf);
if (!info->use_separators)
strcpy (buf, temp_buf);
else
{
char* separator;
char* group;
if (info->monetary)
{
separator = lc->mon_thousands_sep;
group = lc->mon_grouping;
}
else
{
separator = lc->thousands_sep;
group = lc->grouping;
}
auto buf_ptr = buf;
auto temp_ptr = &temp_buf[num_whole_digits - 1];
auto group_count = 0;
while (temp_ptr != temp_buf)
{
*buf_ptr++ = *temp_ptr--;
if (*group != CHAR_MAX)
{
group_count++;
if (group_count == *group)
{
g_utf8_strncpy(buf_ptr, separator, 1);
buf_ptr = g_utf8_find_next_char(buf_ptr, nullptr);
group_count = 0;
/* Peek ahead at the next group code */
switch (group[1])
{
/* A null char means repeat the last group indefinitely */
case '\0':
break;
/* CHAR_MAX means no more grouping allowed */
case CHAR_MAX:
/* fall through */
/* Anything else means another group size */
default:
group++;
break;
}
}
}
}
/* We built the string backwards, now reverse */
*buf_ptr++ = *temp_ptr;
*buf_ptr = '\0';
auto rev_buf = g_utf8_strreverse(buf, -1);
strcpy (buf, rev_buf);
g_free(rev_buf);
} /* endif */
/* at this point, buf contains the whole part of the number */
/* If it's not decimal, print the fraction as an expression. */
if (!value_is_decimal)
{
val = gnc_numeric_reduce (val);
if (val.denom > 0)
snprintf (temp_buf, buf_size, "%" G_GINT64_FORMAT "/%" G_GINT64_FORMAT,
val.num, val.denom);
else
snprintf (temp_buf, buf_size, "%" G_GINT64_FORMAT " * %" G_GINT64_FORMAT,
val.num, -val.denom);
if (whole.num == 0)
*buf = '\0';
else if (value_is_negative)
strcat(buf, " - ");
else
strcat(buf, " + ");
strcat (buf, temp_buf);
}
else
{
guint8 num_decimal_places = 0;
char* temp_ptr = temp_buf;
auto decimal_point = info->monetary
? lc->mon_decimal_point
: lc->decimal_point;
g_utf8_strncpy(temp_ptr, decimal_point, 1);
temp_ptr = g_utf8_find_next_char(temp_ptr, nullptr);
while (!gnc_numeric_zero_p (val)
&& (val.denom != 1)
&& (num_decimal_places < max_dp))
{
gint64 digit;
val.denom = val.denom / 10;
digit = val.num / val.denom;
*temp_ptr++ = digit + '0';
num_decimal_places++;
val.num = val.num - (digit * val.denom);
}
while (num_decimal_places < min_dp)
{
*temp_ptr++ = '0';
num_decimal_places++;
}
/* cap the end and move to the last character */
*temp_ptr-- = '\0';
/* Here we strip off trailing decimal zeros per the argument. */
while (*temp_ptr == '0' && num_decimal_places > min_dp)
{
*temp_ptr-- = '\0';
num_decimal_places--;
}
if (num_decimal_places > max_dp)
{
PWARN ("max_decimal_places too small; limit %d, value %s%s",
info->max_decimal_places, buf, temp_buf);
}
if (num_decimal_places > 0)
strcat (buf, temp_buf);
}
return strlen(buf);
}
/**
* @param bufp Should be at least 64 chars.
**/
int
xaccSPrintAmount (char* bufp, gnc_numeric val, GNCPrintAmountInfo info)
{
auto orig_bufp = bufp;
auto currency_symbol = "";
const char* sign;
char cs_precedes;
char sep_by_space;
char sign_posn;
bool print_sign = true;
bool print_absolute = false;
if (!bufp)
return 0;
auto lc = gnc_localeconv();
if (info.use_locale)
if (gnc_numeric_negative_p (val))
{
cs_precedes = lc->n_cs_precedes;
sep_by_space = lc->n_sep_by_space;
}
else
{
cs_precedes = lc->p_cs_precedes;
sep_by_space = lc->p_sep_by_space;
}
else
{
cs_precedes = TRUE;
sep_by_space = TRUE;
}
if (info.commodity && info.use_symbol)
{
currency_symbol = gnc_commodity_get_nice_symbol (info.commodity);
if (!gnc_commodity_is_iso (info.commodity))
{
cs_precedes = FALSE;
sep_by_space = TRUE;
}
}
if (gnc_numeric_negative_p (val))
{
sign = lc->negative_sign;
sign_posn = lc->n_sign_posn;
}
else
{
sign = lc->positive_sign;
sign_posn = lc->p_sign_posn;
}
if (gnc_numeric_zero_p (val) || (sign == nullptr) || (sign[0] == 0))
print_sign = FALSE;
/* See if we print sign now */
if (print_sign && (sign_posn == 1))
bufp = g_stpcpy(bufp, sign);
/* Now see if we print currency */
if (cs_precedes)
{
/* See if we print sign now */
if (print_sign && (sign_posn == 3))
bufp = g_stpcpy(bufp, sign);
if (info.use_symbol)
{
bufp = g_stpcpy(bufp, currency_symbol);
if (sep_by_space)
bufp = g_stpcpy(bufp, " ");
}
/* See if we print sign now */
if (print_sign && (sign_posn == 4))
bufp = g_stpcpy(bufp, sign);
}
/* Now see if we print parentheses */
if (print_sign && (sign_posn == 0))
{
bufp = g_stpcpy(bufp, "(");
print_absolute = TRUE;
}
/* Now print the value */
bufp += PrintAmountInternal(bufp,
print_absolute ? gnc_numeric_abs(val) : val,
&info);
/* Now see if we print parentheses */
if (print_sign && (sign_posn == 0))
bufp = g_stpcpy(bufp, ")");
/* Now see if we print currency */
if (!cs_precedes)
{
/* See if we print sign now */
if (print_sign && (sign_posn == 3))
bufp = g_stpcpy(bufp, sign);
if (info.use_symbol)
{
if (sep_by_space)
bufp = g_stpcpy(bufp, " ");
bufp = g_stpcpy(bufp, currency_symbol);
}
/* See if we print sign now */
if (print_sign && (sign_posn == 4))
bufp = g_stpcpy(bufp, sign);
}
/* See if we print sign now */
if (print_sign && (sign_posn == 2))
bufp = g_stpcpy(bufp, sign);
/* return length of printed string */
return (bufp - orig_bufp);
}
#define BUFLEN 1024
const char*
xaccPrintAmount (gnc_numeric val, GNCPrintAmountInfo info)
{
/* hack alert -- this is not thread safe ... */
static char buf[BUFLEN];
if (!xaccSPrintAmount (buf, val, info))
buf[0] = '\0';
/* its OK to return buf, since we declared it static */
return buf;
}
const char*
gnc_print_amount_with_bidi_ltr_isolate (gnc_numeric val, GNCPrintAmountInfo info)
{
/* hack alert -- this is not thread safe ... */
static char buf[BUFLEN];
static const char ltr_isolate[] = { '\xe2', '\x81', '\xa6' };
static const char ltr_pop_isolate[] = { '\xe2', '\x81', '\xa9' };
auto offset = info.use_symbol ? 3 : 0;
if (!gnc_commodity_is_currency (info.commodity))
offset = 0;
memset (buf, 0, BUFLEN);
if (!xaccSPrintAmount (buf + offset, val, info))
{
buf[0] = '\0';
return buf;
};
if (offset == 0)
return buf;
memcpy (buf, ltr_isolate, 3);
if (buf[BUFLEN - 4] == '\0')
{
auto length = strlen (buf);
memcpy (buf + length, ltr_pop_isolate, 3);
}
else
{
buf[BUFLEN - 1] = '\0';
memcpy (buf + BUFLEN - 4, ltr_pop_isolate, 3);
PWARN("buffer length %d exceeded, string truncated was %s", BUFLEN, buf);
}
/* its OK to return buf, since we declared it static
and is immediately g_strdup'd */
return buf;
}
char*
gnc_wrap_text_with_bidi_ltr_isolate (const char* text)
{
static const char* ltr = "\u2066"; // ltr isolate
static const char* pop = "\u2069"; // pop directional formatting
if (!text)
return nullptr;
return g_strconcat (ltr, text, pop, nullptr);
}
/********************************************************************\
********************************************************************/
#define FUDGE .00001
/* This function is basically untranslatable. I'd
guess out of the 29 translations we have, 20 will have their number
wordings in a totally different way than English has (not to
mention gender-dependent number endings). Which means this
word-by-word translation will be useless or even plain
wrong. For this reason, we don't even start to pretend a
word-by-word translation would be of any use, so we don't mark any
of these strings for translation. cstim, 2007-04-15. */
static const char* small_numbers[] =
{
/* Translators: This section is for generating the "amount, in
words" field when printing a check. This function gets the
wording right for English, but unfortunately not for most other
languages. Decide for yourself whether the check printing is
actually needed in your language; if not, you can safely skip the
translation of all of these strings. */
"Zero", "One", "Two", "Three", "Four",
"Five", "Six", "Seven", "Eight", "Nine",
"Ten", "Eleven", "Twelve", "Thirteen", "Fourteen",
"Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen",
"Twenty"
};
static const char* medium_numbers[] =
{
"Zero", "Ten", "Twenty", "Thirty", "Forty",
"Fifty", "Sixty", "Seventy", "Eighty", "Ninety"
};
static const char* big_numbers[] =
{
/* Translators: This is the word for the number 10^2 */
"Hundred",
/* Translators: This is the word for the number 10^3 */
"Thousand",
/* Translators: This is the word for the number 10^6, one thousand
thousands. */
"Million",
/* Translators: This is the word for the number 10^9, one thousand
millions. WATCH OUT: In British English and many other languages
this word is used for 10^12 which is one million millions! In
contrast to this, here in GnuCash this is used in the American
English meaning of 10^9. */
"Billion",
/* Translators: This is the word for the number 10^12, one million
millions. */
"Trillion",
/* Translators: This is the word for the number 10^15 */
"Quadrillion",
/* Translators: This is the word for the number 10^18 */
"Quintillion"
};
static char*
integer_to_words(gint64 val)
{
if (val == 0)
return g_strdup("zero");
if (val < 0)
val = -val;
auto result = g_string_sized_new(100);
while (val >= 1000)
{
int log_val = log10(val) / 3 + FUDGE;
int pow_val = exp(log_val * 3 * G_LN10) + FUDGE;
int this_part = val / pow_val;
val -= this_part * pow_val;
auto tmp = integer_to_words(this_part);
g_string_append_printf(result, "%s %s ", tmp, gettext(big_numbers[log_val]));
g_free(tmp);
}
if (val >= 100)
{
int this_part = val / 100;
val -= this_part * 100;
g_string_append_printf(result, "%s %s ",
gettext(small_numbers[this_part]),
gettext(big_numbers[0]));
}
if (val > 20)
{
int this_part = val / 10;
val -= this_part * 10;
g_string_append(result, gettext(medium_numbers[this_part]));
g_string_append_c(result, ' ');
}
if (val > 0)
{
int this_part = val;
g_string_append(result, gettext(small_numbers[this_part]));
g_string_append_c(result, ' ');
}
result = g_string_truncate(result, result->len - 1);
return g_string_free(result, FALSE);
}
#ifdef _MSC_VER
static double round(double x)
{
// A simple round() implementation because MSVC doesn't seem to have that
return floor(x + 0.5);
}
#endif
char*
number_to_words(double val, int64_t denom)
{
if (val < 0) val = -val;
if (denom < 0) denom = -denom;
auto int_part = floor(val);
auto frac_part = static_cast<int64_t>(round((val - int_part) * denom));
auto int_string = integer_to_words(int_part);
/* Inside of the gettext macro _(...) we must not use any macros but
only plain string literals. For this reason, convert the strings
separately. */
auto nomin_string = g_strdup_printf("%02" PRId64, frac_part);
auto denom_string = g_strdup_printf("%" PRId64, denom);
auto full_string =
/* Translators: This is for the "amount, in words" field in check
printing. The first %s is the integer amount of dollars (or
whatever currency), the second and third %s the cent amount as
a fraction, e.g. 47/100. */
g_strdup_printf("%s and %s/%s",
int_string, nomin_string, denom_string);
g_free(int_string);
g_free(nomin_string);
g_free(denom_string);
return full_string;
}
char*
numeric_to_words(gnc_numeric val)
{
return number_to_words(gnc_numeric_to_double(val),
gnc_numeric_denom(val));
}
const char*
printable_value (double val, int denom)
{
auto num = gnc_numeric_create(round(val * denom), denom);
auto info = gnc_share_print_info_places(log10(denom));
return xaccPrintAmount (num, info);
}
/********************************************************************\
* xaccParseAmount *
* parses amount strings using locale data *
* *
* Args: in_str -- pointer to string rep of num *
* monetary -- boolean indicating whether value is monetary *
* result -- pointer to result location, may be nullptr *
* endstr -- used to store first digit not used in parsing *
* Return: gboolean -- TRUE if a number found and parsed *
* If FALSE, result is not changed *
\********************************************************************/
/* Parsing state machine states */
enum ParseState
{
START_ST, /* Parsing initial whitespace */
NEG_ST, /* Parsed a negative sign or a left paren */
NUMER_ST, /* Parsing digits before grouping and decimal characters */
FRAC_ST, /* Parsing the fractional portion of a number */
DONE_ST, /* Finished, number is correct module grouping constraints */
NO_NUM_ST /* Finished, number was malformed */
};
#define done_state(state) (((state) == DONE_ST) || ((state) == NO_NUM_ST))
static inline int64_t
multiplier (int num_decimals)
{
switch (num_decimals)
{
case 12:
return 1000000000000;
case 11:
return 100000000000;
case 10:
return 10000000000;
case 9:
return 1000000000;
case 8:
return 100000000;
case 7:
return 10000000;
case 6:
return 1000000;
case 5:
return 100000;
case 4:
return 10000;
case 3:
return 1000;
case 2:
return 100;
case 1:
return 10;
case 0:
return 1;
default:
PERR("bad fraction length");
g_assert_not_reached();
break;
}
return 1;
}
static gboolean
xaccParseAmountInternal (const char* in_str, gboolean monetary,
gunichar negative_sign, gunichar decimal_point,
gunichar group_separator, const char* ignore_list,
gboolean use_auto_decimal,
gnc_numeric *result, char** endstr)
{
/* Initialize *endstr to in_str */
if (endstr)
*endstr = (char* ) in_str;
if (!in_str)
return FALSE;
const char* in;
if (!g_utf8_validate(in_str, -1, &in))
{
printf("Invalid utf8 string '%s'. Bad character at position %ld.\n",
in_str, g_utf8_pointer_to_offset (in_str, in));
return FALSE;
}
/* 'out_str' will be used to store digits for numeric conversion.
* 'out' will be used to traverse out_str. */
auto out_str = g_new(gchar, strlen(in_str) + 128);
auto out = out_str;
/* 'in' is used to traverse 'in_str'. */
in = in_str;
auto is_negative = false;
auto got_decimal = false;
auto need_paren = false;
int64_t numer = 0;
int64_t denom = 1;
/* Initialize the state machine */
auto state = START_ST;
/* This while loop implements a state machine for parsing numbers. */
while (TRUE)
{
auto next_state = state;
auto uc = g_utf8_get_char(in);
/* Ignore anything in the 'ignore list' */
if (ignore_list && uc && g_utf8_strchr(ignore_list, -1, uc))
{
in = g_utf8_next_char(in);
continue;
}
/* Note we never need to check for the end of 'in_str' explicitly.
* The 'else' clauses on all the state transitions will handle that. */
switch (state)
{
/* START_ST means we have parsed 0 or more whitespace characters */
case START_ST:
if (g_unichar_isdigit(uc))
{
int count = g_unichar_to_utf8(uc, out);
out += count; /* we record the digits themselves in out_str
* for later conversion by libc routines */
next_state = NUMER_ST;
}
else if (uc == decimal_point)
next_state = FRAC_ST;
else if (g_unichar_isspace(uc))
;
else if (uc == negative_sign)
{
is_negative = TRUE;
next_state = NEG_ST;
}
else if (uc == '(')
{
is_negative = TRUE;
need_paren = TRUE;
next_state = NEG_ST;
}
else
next_state = NO_NUM_ST;
break;
/* NEG_ST means we have just parsed a negative sign. For now,
* we only recognize formats where the negative sign comes first. */
case NEG_ST:
if (g_unichar_isdigit(uc))
{
int count = g_unichar_to_utf8(uc, out);
out += count;
next_state = NUMER_ST;
}
else if (uc == decimal_point)
next_state = FRAC_ST;
else if (g_unichar_isspace(uc))
;
else
next_state = NO_NUM_ST;
break;
/* NUMER_ST means we have started parsing the number, but
* have not encountered a decimal separator. */
case NUMER_ST:
if (g_unichar_isdigit(uc))
{
int count = g_unichar_to_utf8(uc, out);
out += count;
}
else if (uc == decimal_point)
next_state = FRAC_ST;
else if (uc == group_separator)
; //ignore it
else if (uc == ')' && need_paren)
{
next_state = DONE_ST;
need_paren = FALSE;
}
else
next_state = DONE_ST;
break;
/* FRAC_ST means we are now parsing fractional digits. */
case FRAC_ST:
if (g_unichar_isdigit(uc))
{
int count = g_unichar_to_utf8(uc, out);
out += count;
}
else if (uc == decimal_point)
{
/* If a subsequent decimal point is also whitespace,
* assume it was intended as such and stop parsing.
* Otherwise, there is a problem. */
if (g_unichar_isspace(decimal_point))
next_state = DONE_ST;
else
next_state = NO_NUM_ST;
}
else if (uc == group_separator)
{
/* If a subsequent group separator is also whitespace,
* assume it was intended as such and stop parsing.
* Otherwise ignore it. */
if (g_unichar_isspace(group_separator))
next_state = DONE_ST;
}
else if (uc == ')' && need_paren)
{
next_state = DONE_ST;
need_paren = FALSE;
}
else
next_state = DONE_ST;
break;
default:
PERR("bad state");
g_assert_not_reached();
break;
}
/* If we're moving into the FRAC_ST or out of the machine
* without going through FRAC_ST, record the integral value. */
if (((next_state == FRAC_ST) && (state != FRAC_ST)) ||
((next_state == DONE_ST) && !got_decimal))
{
*out = '\0';
if (*out_str && sscanf(out_str, "%" SCNd64, &numer) < 1)
next_state = NO_NUM_ST;
else if (next_state == FRAC_ST)
{
/* reset the out pointer to record the fraction */
out = out_str;
*out = '\0';
got_decimal = TRUE;
}
}
state = next_state;
if (done_state (state))
break;
in = g_utf8_next_char(in);
}
/* If there was an error, just quit */
if (need_paren || (state == NO_NUM_ST))
{
g_free(out_str);
return FALSE;
}
/* Cap the end of the fraction string, if any */
*out = '\0';
/* Add in fractional value */
if (got_decimal && *out_str)
{
auto len = strlen(out_str);
if (len > 12)
{
out_str[12] = '\0';
len = 12;
}
int64_t fraction;
if (sscanf (out_str, "%" SCNd64 , &fraction) < 1)
{
g_free(out_str);
return FALSE;
}
denom = multiplier(len);
numer *= denom;
numer += fraction;
}
else if (monetary && use_auto_decimal && !got_decimal)
{
if ((auto_decimal_places > 0) && (auto_decimal_places <= 12))
{
denom = multiplier(auto_decimal_places);
/* No need to multiply numer by denom at this point,
* since by specifying the auto decimal places the
* user has effectively determined the scaling factor
* for the numerator they entered.
*/
}
}
if (result)
{
*result = gnc_numeric_create (numer, denom);
if (is_negative)
*result = gnc_numeric_neg (*result);
}
if (endstr)
*endstr = (char* ) in;
g_free (out_str);
return TRUE;
}
static gboolean
xaccParseAmountBasicInternal (const char* in_str, gboolean monetary,
gboolean use_auto_decimal, gnc_numeric *result,
char** endstr, gboolean skip)
{
struct lconv *lc = gnc_localeconv();
gunichar negative_sign = g_utf8_get_char(lc->negative_sign);
gunichar decimal_point;
gunichar group_separator;
if (monetary)
{
group_separator = g_utf8_get_char(lc->mon_thousands_sep);
decimal_point = g_utf8_get_char(lc->mon_decimal_point);
}
else
{
group_separator = g_utf8_get_char(lc->thousands_sep);
decimal_point = g_utf8_get_char(lc->decimal_point);
}
const char* ignore = nullptr;
if (skip)
{
/* We want the locale's positive sign to be ignored.
* If the locale doesn't specify one, we assume "+" as
* an optional positive sign and ignore that */
ignore = lc->positive_sign;
if (!ignore || !*ignore)
ignore = "+";
}
return xaccParseAmountInternal(in_str, monetary, negative_sign,
decimal_point, group_separator,
ignore, use_auto_decimal,
result, endstr);
}
gboolean
xaccParseAmount (const char* in_str, gboolean monetary, gnc_numeric *result,
char** endstr)
{
return xaccParseAmountBasicInternal (in_str, monetary, auto_decimal_enabled,
result, endstr, FALSE);
}
gboolean
xaccParseAmountImport (const char* in_str, gboolean monetary,
gnc_numeric *result,
char** endstr, gboolean skip)
{
return xaccParseAmountBasicInternal (in_str, monetary, FALSE,
result, endstr, skip);
}
gboolean
xaccParseAmountExtended (const char* in_str, gboolean monetary,
gunichar negative_sign, gunichar decimal_point,
gunichar group_separator, const char* ignore_list,
gnc_numeric *result, char** endstr)
{
return xaccParseAmountInternal (in_str, monetary, negative_sign,
decimal_point, group_separator,
ignore_list, auto_decimal_enabled,
result, endstr);
}
gboolean
xaccParseAmountExtImport (const char* in_str, gboolean monetary,
gunichar negative_sign, gunichar decimal_point,
gunichar group_separator, const char* ignore_list,
gnc_numeric *result, char** endstr)
{
return xaccParseAmountInternal (in_str, monetary, negative_sign,
decimal_point, group_separator,
ignore_list, FALSE,
result, endstr);
}
/* enable/disable the auto_decimal_enabled option */
static void
gnc_set_auto_decimal_enabled (gpointer settings, char* key, gpointer user_data)
{
auto_decimal_enabled =
gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_POINT);
}
/* set the number of auto decimal places to use */
static void
gnc_set_auto_decimal_places (gpointer settings, char* key, gpointer user_data)
{
auto_decimal_places =
gnc_prefs_get_int (GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_PLACES);
}
static void
gnc_auto_decimal_init (void)
{
auto_decimal_enabled =
gnc_prefs_get_bool (GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_POINT);
auto_decimal_places =
gnc_prefs_get_int (GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_PLACES);
}
void
gnc_ui_util_init (void)
{
gnc_configure_account_separator ();
gnc_auto_decimal_init();
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_ACCOUNT_SEPARATOR,
(void*)gnc_configure_account_separator, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_NONE,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_CREDIT,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_REVERSED_ACCTS_INC_EXP,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_CURRENCY_CHOICE_LOCALE,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_CURRENCY_CHOICE_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_CURRENCY_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL_REPORT, GNC_PREF_CURRENCY_CHOICE_LOCALE,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL_REPORT, GNC_PREF_CURRENCY_CHOICE_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL_REPORT, GNC_PREF_CURRENCY_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_POINT,
(void*)gnc_set_auto_decimal_enabled, nullptr);
gnc_prefs_register_cb(GNC_PREFS_GROUP_GENERAL, GNC_PREF_AUTO_DECIMAL_PLACES,
(void*)gnc_set_auto_decimal_places, nullptr);
}
void
gnc_ui_util_remove_registered_prefs (void)
{
// remove the registered pref call backs above
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_ACCOUNT_SEPARATOR,
(void*)gnc_configure_account_separator, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_REVERSED_ACCTS_NONE,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_REVERSED_ACCTS_CREDIT,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_REVERSED_ACCTS_INC_EXP,
(void*)gnc_configure_reverse_balance, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_CURRENCY_CHOICE_LOCALE,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_CURRENCY_CHOICE_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_CURRENCY_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL_REPORT,
GNC_PREF_CURRENCY_CHOICE_LOCALE,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL_REPORT,
GNC_PREF_CURRENCY_CHOICE_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL_REPORT,
GNC_PREF_CURRENCY_OTHER,
(void*)gnc_currency_changed_cb, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_AUTO_DECIMAL_POINT,
(void*)gnc_set_auto_decimal_enabled, nullptr);
gnc_prefs_remove_cb_by_func (GNC_PREFS_GROUP_GENERAL,
GNC_PREF_AUTO_DECIMAL_PLACES,
(void*)gnc_set_auto_decimal_places, nullptr);
}
static inline bool
unichar_is_cntrl (gunichar uc)
{
return (uc < 0x20 || (uc > 0x7e && uc < 0xa0));
}
char*
gnc_filter_text_for_control_chars (const char* text)
{
bool cntrl = false;
bool text_found = false;
if (!text)
return nullptr;
if (!g_utf8_validate (text, -1, nullptr))
return nullptr;
auto filtered = g_string_sized_new (strlen (text) + 1);
auto ch = text;
while (*ch)
{
auto uc = g_utf8_get_char (ch);
// check for starting with control characters
if (unichar_is_cntrl (uc) && !text_found)
{
ch = g_utf8_next_char (ch);
continue;
}
// check for alpha, num and punctuation
if (!unichar_is_cntrl (uc))
{
filtered = g_string_append_unichar (filtered, uc);
text_found = true;
}
// check for control characters after text
if (unichar_is_cntrl (uc))
cntrl = true;
ch = g_utf8_next_char (ch);
if (cntrl) // if control characters in text replace with space
{
auto uc2 = g_utf8_get_char (ch);
if (!unichar_is_cntrl (uc2))
filtered = g_string_append_unichar (filtered, ' ');
}
cntrl = false;
}
return g_string_free (filtered, FALSE);
}
void
gnc_filter_text_set_cursor_position (const char* incoming_text,
const char* symbol,
gint *cursor_position)
{
int num = 0;
if (*cursor_position == 0)
return;
if (!incoming_text || !symbol)
return;
if (g_strrstr (incoming_text, symbol) == nullptr)
return;
auto text_len = g_utf8_strlen (incoming_text, -1);
for (int x = 0; x < text_len; x++)
{
auto temp = g_utf8_offset_to_pointer (incoming_text, x);
if (g_str_has_prefix (temp, symbol))
num++;
if (g_strrstr (temp, symbol) == nullptr)
break;
}
*cursor_position = *cursor_position - (num * g_utf8_strlen (symbol, -1));
}
char*
gnc_filter_text_for_currency_symbol (const char* incoming_text,
const char* symbol)
{
if (!incoming_text)
return nullptr;
if (!symbol)
return g_strdup (incoming_text);
if (g_strrstr (incoming_text, symbol) == nullptr)
return g_strdup (incoming_text);
auto split = g_strsplit (incoming_text, symbol, -1);
auto ret_text = g_strjoinv (nullptr, split);
g_strfreev (split);
return ret_text;
}
char*
gnc_filter_text_for_currency_commodity (const gnc_commodity *comm,
const char* incoming_text,
const char** symbol)
{
if (!incoming_text)
{
*symbol = nullptr;
return nullptr;
}
if (!gnc_commodity_is_currency (comm))
{
*symbol = nullptr;
return g_strdup (incoming_text);
}
if (comm)
*symbol = gnc_commodity_get_nice_symbol (comm);
else
*symbol = gnc_commodity_get_nice_symbol (gnc_default_currency ());
return gnc_filter_text_for_currency_symbol (incoming_text, *symbol);
}
gchar*
gnc_list_formatter (GList *strings)
{
g_return_val_if_fail (strings, nullptr);
UErrorCode status = U_ZERO_ERROR;
auto formatter = icu::ListFormatter::createInstance(status);
std::vector<UniStr> strvec;
UniStr result;
std::string retval;
for (auto n = strings; n; n = g_list_next (n))
{
auto utf8_str{static_cast<const char*>(n->data)};
strvec.push_back (UniStr::fromUTF8(utf8_str));
}
formatter->format (strvec.data(), strvec.size(), result, status);
if (U_FAILURE(status))
PERR ("Unicode error");
else
result.toUTF8String(retval);
delete formatter;
return g_strdup (retval.c_str());
}
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