Add error messages String::hex_to_int functions, and accept capital X in prefix
Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
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1 changed files with 7 additions and 14 deletions
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@ -1706,9 +1706,7 @@ String::String(const StrRange &p_range) {
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int String::hex_to_int(bool p_with_prefix) const {
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int len = length();
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if (len == 0 || (p_with_prefix && len < 3)) {
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return 0;
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}
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ERR_FAIL_COND_V_MSG(p_with_prefix ? len < 3 : len == 0, 0, String("Invalid hexadecimal notation length in string ") + (p_with_prefix ? "with" : "without") + " prefix \"" + *this + "\".");
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const CharType *s = ptr();
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@ -1719,9 +1717,7 @@ int String::hex_to_int(bool p_with_prefix) const {
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}
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if (p_with_prefix) {
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if (s[0] != '0' || s[1] != 'x') {
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return 0;
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}
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ERR_FAIL_COND_V_MSG(s[0] != '0' || LOWERCASE(s[1]) != 'x', 0, "Invalid hexadecimal notation prefix in string \"" + *this + "\".");
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s += 2;
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}
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@ -1735,7 +1731,7 @@ int String::hex_to_int(bool p_with_prefix) const {
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} else if (c >= 'a' && c <= 'f') {
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n = (c - 'a') + 10;
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} else {
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return 0;
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ERR_FAIL_V_MSG(0, "Invalid hexadecimal notation character \"" + chr(*s) + "\" in string \"" + *this + "\".");
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}
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// Check for overflow/underflow, with special case to ensure INT32_MIN does not result in error
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bool overflow = ((hex > INT32_MAX / 16) && (sign == 1 || (sign == -1 && hex != (INT32_MAX >> 4) + 1))) || (sign == -1 && hex == (INT32_MAX >> 4) + 1 && c > '0');
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@ -1749,9 +1745,8 @@ int String::hex_to_int(bool p_with_prefix) const {
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}
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int64_t String::hex_to_int64(bool p_with_prefix) const {
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if (p_with_prefix && length() < 3) {
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return 0;
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}
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int len = length();
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ERR_FAIL_COND_V_MSG(p_with_prefix ? len < 3 : len == 0, 0, String("Invalid hexadecimal notation length in string ") + (p_with_prefix ? "with" : "without") + " prefix \"" + *this + "\".");
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const CharType *s = ptr();
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@ -1762,9 +1757,7 @@ int64_t String::hex_to_int64(bool p_with_prefix) const {
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}
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if (p_with_prefix) {
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if (s[0] != '0' || s[1] != 'x') {
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return 0;
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}
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ERR_FAIL_COND_V_MSG(s[0] != '0' || LOWERCASE(s[1]) != 'x', 0, "Invalid hexadecimal notation prefix in string \"" + *this + "\".");
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s += 2;
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}
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@ -1778,7 +1771,7 @@ int64_t String::hex_to_int64(bool p_with_prefix) const {
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} else if (c >= 'a' && c <= 'f') {
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n = (c - 'a') + 10;
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} else {
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return 0;
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ERR_FAIL_V_MSG(0, "Invalid hexadecimal notation character \"" + chr(*s) + "\" in string \"" + *this + "\".");
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}
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bool overflow = ((hex > INT64_MAX / 16) && (sign == 1 || (sign == -1 && hex != (INT64_MAX >> 4) + 1))) || (sign == -1 && hex == (INT64_MAX >> 4) + 1 && c > '0');
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ERR_FAIL_COND_V_MSG(overflow, sign == 1 ? INT64_MAX : INT64_MIN, "Cannot represent " + *this + " as a 64-bit signed integer, since the value is " + (sign == 1 ? "too large." : "too small."));
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