diff options
Diffstat (limited to 'core/ustring.cpp')
| -rw-r--r-- | core/ustring.cpp | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/core/ustring.cpp b/core/ustring.cpp index cfb547742a..444338d5ae 100644 --- a/core/ustring.cpp +++ b/core/ustring.cpp @@ -4143,27 +4143,40 @@ String String::sprintf(const Array &values, bool *error) const { } double value = values[value_index]; - String str = String::num(value, min_decimals); + bool is_negative = (value < 0); + String str = String::num(ABS(value), min_decimals); // Pad decimals out. str = str.pad_decimals(min_decimals); - // Show sign - if (show_sign && str.left(1) != "-") { - str = str.insert(0, "+"); - } + int initial_len = str.length(); - // Padding + // Padding. Leave room for sign later if required. + int pad_chars_count = (is_negative || show_sign) ? min_chars - 1 : min_chars; + String pad_char = pad_with_zeroes ? String("0") : String(" "); if (left_justified) { - str = str.rpad(min_chars); + if (pad_with_zeroes) { + return "left justification cannot be used with zeros as the padding"; + } else { + str = str.rpad(pad_chars_count, pad_char); + } } else { - str = str.lpad(min_chars); + str = str.lpad(pad_chars_count, pad_char); + } + + // Add sign if needed. + if (show_sign || is_negative) { + String sign_char = is_negative ? "-" : "+"; + if (left_justified) { + str = str.insert(0, sign_char); + } else { + str = str.insert(pad_with_zeroes ? 0 : str.length() - initial_len, sign_char); + } } formatted += str; ++value_index; in_format = false; - break; } case 's': { // String |