double EqonomizeValueEdit::fixup_sub(QString &input, QStringList &errors, bool &calculated) const {
input = input.trimmed();
if(input.isEmpty()) {
return 0.0;
}
if(o_currency) {
input.remove(budget->monetary_group_separator);
if(!budget->monetary_negative_sign.isEmpty()) input.replace(budget->monetary_negative_sign, "-");
if(!budget->monetary_positive_sign.isEmpty()) input.replace(budget->monetary_positive_sign, "+");
} else {
input.remove(budget->group_separator);
if(!budget->negative_sign.isEmpty()) input.replace(budget->negative_sign, "-");
if(!budget->positive_sign.isEmpty()) input.replace(budget->positive_sign, "+");
}
input.replace(QLocale().negativeSign(), '-');
input.replace(QLocale().positiveSign(), '+');
int i = input.indexOf(')', 1);
if(i < 1) {
i = input.indexOf('(', 0);
if(i == 0) {
input.remove(0, 1);
return fixup_sub(input, errors, calculated);
} else if(i >= 0) {
input += ')';
i = input.length() - 1;
} else {
i = -1;
}
}
if(i >= 1) {
int i2 = input.lastIndexOf('(', i - 1);
if(i2 < 0 || i2 > i) {
if(i == input.length() - 1) {
input.chop(1);
return fixup_sub(input, errors, calculated);
}
input.prepend('(');
i++;
i2 = 0;
}
if(i2 == 0 && i == input.length() - 1) {
input.remove(0, 1);
input.chop(1);
return fixup_sub(input, errors, calculated);
}
if(i < input.length() - 1 && (input[i + 1].isNumber() || input[i + 1] == '(')) input.insert(i + 1, '*');
QString str = input.mid(i2 + 1, i - i2 - 1);
double v = fixup_sub(str, errors, calculated);
input.replace(i2, i - i2 + 1, o_currency ? o_currency->formatValue(0.5, decimals() + 2, false, false, true) : budget->formatValue(v, decimals() + 2));
if(i2 > 0 && (input[i2 - 1].isNumber() || input[i2 - 1] == ')')) input.insert(i2, '*');
calculated = true;
return fixup_sub(input, errors, calculated);
}
i = input.indexOf(QRegExp("[-+]"), 1);
if(i >= 1) {
QStringList terms = input.split(QRegExp("[-+]"));
i = 0;
double v = 0.0;
QList<bool> signs;
signs << true;
for(int terms_i = 0; terms_i < terms.size() - 1; terms_i++) {
i += terms[terms_i].length();
if(input[i] == '-') signs << false;
else signs << true;
i++;
}
for(int terms_i = 0; terms_i < terms.size() - 1; terms_i++) {
if(terms[terms_i].endsWith('*') || terms[terms_i].endsWith('/') || terms[terms_i].endsWith('^')) {
if(!signs[terms_i + 1]) terms[terms_i] += '-';
else terms[terms_i] += '+';
terms[terms_i] += terms[terms_i + 1];
signs.removeAt(terms_i + 1);
terms.removeAt(terms_i + 1);
terms_i--;
}
}
if(terms.size() > 1) {
for(int terms_i = 0; terms_i < terms.size(); terms_i++) {
if(terms[terms_i].isEmpty()) {
if(!signs[terms_i] && terms_i + 1 < terms.size()) {
signs[terms_i + 1] = !signs[terms_i + 1];
}
} else {
if(!signs[terms_i]) v -= fixup_sub(terms[terms_i], errors, calculated);
else v += fixup_sub(terms[terms_i], errors, calculated);
}
}
calculated = true;
return v;
}
}
if(input.indexOf("**") >= 0) input.replace("**", "^");
i = input.indexOf(QRegExp("[*/]"), 0);
if(i >= 0) {
QStringList terms = input.split(QRegExp("[*/]"));
QChar c = '*';
i = 0;
double v = 1.0;
for(int terms_i = 0; terms_i < terms.size(); terms_i++) {
if(terms[terms_i].isEmpty()) {
if(c == '/') {
errors << tr("Empty denominator.");
} else {
errors << tr("Empty factor.");
}
} else {
i += terms[terms_i].length();
if(c == '/') {
double den = fixup_sub(terms[terms_i], errors, calculated);
if(den == 0.0) {
errors << tr("Division by zero.");
} else {
v /= den;
}
} else {
v *= fixup_sub(terms[terms_i], errors, calculated);
}
if(i < input.length()) c = input[i];
}
i++;
}
calculated = true;
return v;
}
i = input.indexOf(QLocale().percent());
if(i >= 0) {
double v = 0.01;
if(input.length() > 1) {
if(i > 0 && i < input.length() - 1) {
QString str = input.right(input.length() - 1 - i);
input = input.left(i);
i = 0;
v = fixup_sub(str, errors, calculated) * v;
} else if(i == input.length() - 1) {
input = input.left(i);
} else if(i == 0) {
input = input.right(input.length() - 1);
}
v = fixup_sub(input, errors, calculated) * v;
}
calculated = true;
return v;
}
if(o_currency) {
QString reg_exp_str = "[\\d\\+\\-\\^";
reg_exp_str += '\\';
reg_exp_str += budget->monetary_decimal_separator;
reg_exp_str += '\\';
reg_exp_str += budget->monetary_group_separator;
if(budget->monetary_decimal_separator != "." && budget->monetary_group_separator != ".") {
reg_exp_str += '\\';
reg_exp_str += '.';
}
reg_exp_str += "]";
int i = input.indexOf(QRegExp(reg_exp_str));
if(i >= 1) {
QString scur = input.left(i).trimmed();
Currency *cur = budget->findCurrency(scur);
if(!cur && budget->defaultCurrency()->symbol(false) == scur) cur = budget->defaultCurrency();
if(!cur) cur = budget->findCurrencySymbol(scur, true);
if(cur) {
QString value = input.right(input.length() - i);
double v = fixup_sub(value, errors, calculated);
if(cur != o_currency) {
v = cur->convertTo(v, o_currency);
}
calculated = true;
return v;
}
errors << tr("Unknown or ambiguous currency, or unrecognized characters, in expression: %1.").arg(scur);
}
if(i >= 0) {
i = input.lastIndexOf(QRegExp(reg_exp_str));
if(i >= 0 && i < input.length() - 1) {
QString scur = input.right(input.length() - (i + 1)).trimmed();
Currency *cur = budget->findCurrency(scur);
if(!cur && budget->defaultCurrency()->symbol(false) == scur) cur = budget->defaultCurrency();
if(!cur) cur = budget->findCurrencySymbol(scur, true);
if(cur) {
QString value = input.left(i + 1);
double v = fixup_sub(value, errors, calculated);
if(cur != o_currency) {
v = cur->convertTo(v, o_currency);
}
calculated = true;
return v;
}
errors << tr("Unknown or ambiguous currency, or unrecognized characters, in expression: %1.").arg(scur);
}
} else {
Currency *cur = budget->findCurrency(input);
if(!cur && budget->defaultCurrency()->symbol(false) == input) cur = budget->defaultCurrency();
if(!cur) cur = budget->findCurrencySymbol(input, true);
if(cur) {
double v = 1.0;
if(cur != o_currency) {
v = cur->convertTo(v, o_currency);
}
calculated = true;
return v;
}
errors << tr("Unknown or ambiguous currency, or unrecognized characters, in expression: %1.").arg(input);
}
}
i = input.indexOf('^', 0);
if(i >= 0 && i != input.length() - 1) {
QString base = input.left(i);
if(base.isEmpty()) {
errors << tr("Empty base.");
} else {
QString exp = input.right(input.length() - (i + 1));
double v;
if(exp.isEmpty()) {
errors << tr("Error"), tr("Empty exponent.");
v = 1.0;
} else {
v = pow(fixup_sub(base, errors, calculated), fixup_sub(exp, errors, calculated));
}
calculated = true;
return v;
}
}
if(!o_currency) {
QString reg_exp_str = "[^\\d\\+\\-";
reg_exp_str += '\\';
reg_exp_str += budget->decimal_separator;
reg_exp_str += '\\';
reg_exp_str += budget->group_separator;
if(budget->decimal_separator != "." && budget->group_separator != ".") {
reg_exp_str += '\\';
reg_exp_str += '.';
}
reg_exp_str += "]";
i = input.indexOf(QRegExp(reg_exp_str));
if(i >= 0) {
errors << tr("Unrecognized characters in expression.");
}
input.remove(budget->group_separator);
input.replace(budget->decimal_separator, ".");
return input.toDouble();
}
input.remove(budget->monetary_group_separator);
input.replace(budget->monetary_decimal_separator, ".");
return input.toDouble();
}
