diff options
Diffstat (limited to 'core/string/ustring.cpp')
| -rw-r--r-- | core/string/ustring.cpp | 165 |
1 files changed, 52 insertions, 113 deletions
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp index 2fdf6e84e5..8416ff929e 100644 --- a/core/string/ustring.cpp +++ b/core/string/ustring.cpp @@ -39,12 +39,9 @@ #include "core/string/ucaps.h" #include "core/variant/variant.h" -#include <cstdint> - -#ifndef NO_USE_STDLIB #include <stdio.h> #include <stdlib.h> -#endif +#include <cstdint> #ifdef _MSC_VER #define _CRT_SECURE_NO_WARNINGS // to disable build-time warning which suggested to use strcpy_s instead strcpy @@ -1393,10 +1390,15 @@ String String::num(double p_num, int p_decimals) { return "inf"; } } -#ifndef NO_USE_STDLIB if (p_decimals < 0) { - p_decimals = 14 - (int)floor(log10(p_num)); + p_decimals = 14; + const double abs_num = ABS(p_num); + if (abs_num > 10) { + // We want to align the digits to the above sane default, so we only + // need to subtract log10 for numbers with a positive power of ten. + p_decimals -= (int)floor(log10(abs_num)); + } } if (p_decimals > MAX_DECIMALS) { p_decimals = MAX_DECIMALS; @@ -1460,87 +1462,6 @@ String String::num(double p_num, int p_decimals) { } return buf; -#else - - String s; - String sd; - /* integer part */ - - bool neg = p_num < 0; - p_num = ABS(p_num); - int intn = (int)p_num; - - /* decimal part */ - - if (p_decimals > 0 || (p_decimals == -1 && (int)p_num != p_num)) { - double dec = p_num - (double)((int)p_num); - - int digit = 0; - if (p_decimals > MAX_DECIMALS) { - p_decimals = MAX_DECIMALS; - } - - int dec_int = 0; - int dec_max = 0; - - while (true) { - dec *= 10.0; - dec_int = dec_int * 10 + (int)dec % 10; - dec_max = dec_max * 10 + 9; - digit++; - - if (p_decimals == -1) { - if (digit == MAX_DECIMALS) { //no point in going to infinite - break; - } - - if (dec - (double)((int)dec) < 1e-6) { - break; - } - } - - if (digit == p_decimals) { - break; - } - } - dec *= 10; - int last = (int)dec % 10; - - if (last > 5) { - if (dec_int == dec_max) { - dec_int = 0; - intn++; - } else { - dec_int++; - } - } - - String decimal; - for (int i = 0; i < digit; i++) { - char num[2] = { 0, 0 }; - num[0] = '0' + dec_int % 10; - decimal = num + decimal; - dec_int /= 10; - } - sd = '.' + decimal; - } - - if (intn == 0) - - s = "0"; - else { - while (intn) { - char32_t num = '0' + (intn % 10); - intn /= 10; - s = num + s; - } - } - - s = s + sd; - if (neg) - s = "-" + s; - return s; -#endif } String String::num_int64(int64_t p_num, int base, bool capitalize_hex) { @@ -1625,24 +1546,31 @@ String String::num_real(double p_num, bool p_trailing) { String s; String sd; - /* integer part */ + + // Integer part. bool neg = p_num < 0; p_num = ABS(p_num); int intn = (int)p_num; - /* decimal part */ + // Decimal part. - if ((int)p_num != p_num) { - double dec = p_num - (double)((int)p_num); + if (intn != p_num) { + double dec = p_num - (double)(intn); int digit = 0; #if REAL_T_IS_DOUBLE - int decimals = 14 - (int)floor(log10(p_num)); + int decimals = 14; #else - int decimals = 6 - (int)floor(log10(p_num)); + int decimals = 6; #endif + // We want to align the digits to the above sane default, so we only + // need to subtract log10 for numbers with a positive power of ten. + if (p_num > 10) { + decimals -= (int)floor(log10(p_num)); + } + if (decimals > MAX_DECIMALS) { decimals = MAX_DECIMALS; } @@ -1720,19 +1648,18 @@ String String::num_scientific(double p_num) { return "inf"; } } -#ifndef NO_USE_STDLIB char buf[256]; #if defined(__GNUC__) || defined(_MSC_VER) -#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT) - // MinGW and old MSC require _set_output_format() to conform to C99 output for printf +#if defined(__MINGW32__) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT) + // MinGW requires _set_output_format() to conform to C99 output for printf unsigned int old_exponent_format = _set_output_format(_TWO_DIGIT_EXPONENT); #endif snprintf(buf, 256, "%lg", p_num); -#if (defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1900)) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT) +#if defined(__MINGW32__) && defined(_TWO_DIGIT_EXPONENT) && !defined(_UCRT) _set_output_format(old_exponent_format); #endif @@ -1743,10 +1670,6 @@ String String::num_scientific(double p_num) { buf[255] = 0; return buf; -#else - - return String::num(p_num); -#endif } String String::md5(const uint8_t *p_md5) { @@ -4401,28 +4324,44 @@ bool String::is_resource_file() const { return begins_with("res://") && find("::") == -1; } -bool String::is_rel_path() const { +bool String::is_relative_path() const { return !is_absolute_path(); } String String::get_base_dir() const { - int basepos = find(":/"); - if (basepos == -1) { - basepos = find(":\\"); + int end = 0; + + // url scheme style base + int basepos = find("://"); + if (basepos != -1) { + end = basepos + 3; + } + + // windows top level directory base + if (end == 0) { + basepos = find(":/"); + if (basepos == -1) { + basepos = find(":\\"); + } + if (basepos != -1) { + end = basepos + 2; + } + } + + // unix root directory base + if (end == 0) { + if (begins_with("/")) { + end = 1; + } } + String rs; String base; - if (basepos != -1) { - int end = basepos + 3; + if (end != 0) { rs = substr(end, length()); base = substr(0, end); } else { - if (begins_with("/")) { - rs = substr(1, length()); - base = "/"; - } else { - rs = *this; - } + rs = *this; } int sep = MAX(rs.rfind("/"), rs.rfind("\\")); |