/** Convert str into a GncRational using the user-specified (import) currency format.
* @param str The string to be parsed
* @param currency_format The currency format to use.
* @return a GncNumeric
* @exception May throw std::invalid argument if string can't be parsed properly
*/
GncNumeric parse_amount (const std::string &str, int currency_format)
{
/* If a cell is empty or just spaces return invalid amount */
if(!boost::regex_search(str, boost::regex("[0-9]")))
throw std::invalid_argument (_("Value doesn't appear to contain a valid number."));
auto expr = boost::make_u32regex("[[:Sc:]]");
std::string str_no_symbols = boost::u32regex_replace(str, expr, "");
/* Convert based on user chosen currency format */
gnc_numeric val;
char *endptr;
switch (currency_format)
{
case 0:
/* Currency locale */
if (!(xaccParseAmount (str_no_symbols.c_str(), TRUE, &val, &endptr)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
case 1:
/* Currency decimal period */
if (!(xaccParseAmountExtended (str_no_symbols.c_str(), TRUE, '-', '.', ',', "\003\003", "$+", &val, &endptr)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
case 2:
/* Currency decimal comma */
if (!(xaccParseAmountExtended (str_no_symbols.c_str(), TRUE, '-', ',', '.', "\003\003", "$+", &val, &endptr)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
}
return GncNumeric(val);
}
/** Convert str into a GncRational using the user-specified (import) currency format.
* @param str The string to be parsed
* @param currency_format The currency format to use.
* @return a GncNumeric
* @exception May throw std::invalid argument if string can't be parsed properly
*/
GncNumeric parse_amount (const std::string &str, int currency_format)
{
/* An empty field is treated as zero */
if (str.empty())
return GncNumeric{};
/* Strings otherwise containing not digits will be considered invalid */
if(!boost::regex_search(str, boost::regex("[0-9]")))
throw std::invalid_argument (_("Value doesn't appear to contain a valid number."));
auto expr = boost::make_u32regex("[[:Sc:]]");
std::string str_no_symbols = boost::u32regex_replace(str, expr, "");
/* Convert based on user chosen currency format */
gnc_numeric val = gnc_numeric_zero();
char *endptr;
switch (currency_format)
{
case 0:
/* Currency locale */
if (!(xaccParseAmountPosSign (str_no_symbols.c_str(), TRUE, &val, &endptr, TRUE)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
case 1:
/* Currency decimal period */
if (!(xaccParseAmountExtended (str_no_symbols.c_str(), TRUE, '-', '.', ',', "\003\003", "$+", &val, &endptr)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
case 2:
/* Currency decimal comma */
if (!(xaccParseAmountExtended (str_no_symbols.c_str(), TRUE, '-', ',', '.', "\003\003", "$+", &val, &endptr)))
throw std::invalid_argument (_("Value can't be parsed into a number using the selected currency format."));
break;
}
return GncNumeric(val);
}
/** Sets the value of the property by parsing str. Note: this should
* only be called once on an instance of TransProperty, as calling it
* more than once can cause memory leaks.
* @param prop The property being set
* @param str The string to be parsed
* @return TRUE on success, FALSE on failure
*/
static gboolean trans_property_set (TransProperty* prop, char* str)
{
char *endptr, *possible_currency_symbol, *str_dupe;
gnc_numeric val;
int reti;
regex_t regex;
switch (prop->type)
{
case GNC_CSV_DATE:
prop->value = g_new(time64, 1);
*((time64*)(prop->value)) = parse_date(str, prop->list->date_format);
return *((time64*)(prop->value)) != -1;
case GNC_CSV_DESCRIPTION:
case GNC_CSV_NOTES:
case GNC_CSV_NUM:
prop->value = g_strdup (str);
return TRUE;
case GNC_CSV_BALANCE:
case GNC_CSV_DEPOSIT:
case GNC_CSV_WITHDRAWAL:
str_dupe = g_strdup (str); /* First, we make a copy so we can't mess up real data. */
/* If a cell is empty or just spaces make its value = "0" */
reti = regcomp(®ex, "[0-9]", 0);
reti = regexec(®ex, str_dupe, 0, NULL, 0);
if (reti == REG_NOMATCH)
{
g_free (str_dupe);
str_dupe = g_strdup ("0");
}
/* Go through str_dupe looking for currency symbols. */
for (possible_currency_symbol = str_dupe; *possible_currency_symbol;
possible_currency_symbol = g_utf8_next_char (possible_currency_symbol))
{
if (g_unichar_type (g_utf8_get_char (possible_currency_symbol)) == G_UNICODE_CURRENCY_SYMBOL)
{
/* If we find a currency symbol, save the position just ahead
* of the currency symbol (next_symbol), and find the null
* terminator of the string (last_symbol). */
char *next_symbol = g_utf8_next_char (possible_currency_symbol), *last_symbol = next_symbol;
while (*last_symbol)
last_symbol = g_utf8_next_char (last_symbol);
/* Move all of the string (including the null byte, which is
* why we have +1 in the size parameter) following the
* currency symbol back one character, thereby overwriting the
* currency symbol. */
memmove (possible_currency_symbol, next_symbol, last_symbol - next_symbol + 1);
break;
}
}
/* Currency format */
switch (prop->list->currency_format)
{
case 0:
/* Currancy locale */
if (!(xaccParseAmount (str_dupe, TRUE, &val, &endptr)))
{
g_free (str_dupe);
return FALSE;
}
break;
case 1:
/* Currancy decimal period */
if (!(xaccParseAmountExtended (str_dupe, TRUE, '-', '.', ',', "\003\003", "$+", &val, &endptr)))
{
g_free (str_dupe);
return FALSE;
}
break;
case 2:
/* Currancy decimal comma */
if (!(xaccParseAmountExtended (str_dupe, TRUE, '-', ',', '.', "\003\003", "$+", &val, &endptr)))
{
g_free (str_dupe);
return FALSE;
}
break;
}
prop->value = g_new (gnc_numeric, 1);
*((gnc_numeric*)(prop->value)) = val;
g_free (str_dupe);
return TRUE;
}
return FALSE; /* We should never actually get here. */
}
