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-rw-r--r--core/string/ustring.cpp163
1 files changed, 48 insertions, 115 deletions
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index d2d563c5dc..daeb7fbd17 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
@@ -1393,7 +1390,6 @@ String String::num(double p_num, int p_decimals) {
return "inf";
}
}
-#ifndef NO_USE_STDLIB
if (p_decimals < 0) {
p_decimals = 14;
@@ -1466,87 +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) {
@@ -1636,19 +1551,21 @@ String String::num_real(double p_num, bool p_trailing) {
bool neg = p_num < 0;
p_num = ABS(p_num);
- int intn = (int)p_num;
+ int64_t intn = (int64_t)p_num;
// Decimal part.
if (intn != p_num) {
- double dec = p_num - (double)(intn);
+ double dec = p_num - (double)intn;
int digit = 0;
-#if REAL_T_IS_DOUBLE
+#ifdef REAL_T_IS_DOUBLE
int decimals = 14;
+ double tolerance = 1e-14;
#else
int decimals = 6;
+ double tolerance = 1e-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.
@@ -1660,16 +1577,21 @@ String String::num_real(double p_num, bool p_trailing) {
decimals = MAX_DECIMALS;
}
- int dec_int = 0;
- int dec_max = 0;
+ // In case the value ends up ending in "99999", we want to add a
+ // tiny bit to the value we're checking when deciding when to stop,
+ // so we multiply by slightly above 1 (1 + 1e-7 or 1e-15).
+ double check_multiplier = 1 + tolerance / 10;
+
+ int64_t dec_int = 0;
+ int64_t dec_max = 0;
while (true) {
dec *= 10.0;
- dec_int = dec_int * 10 + (int)dec % 10;
+ dec_int = dec_int * 10 + (int64_t)dec % 10;
dec_max = dec_max * 10 + 9;
digit++;
- if ((dec - (double)((int)dec)) < 1e-6) {
+ if ((dec - (double)(int64_t)(dec * check_multiplier)) < tolerance) {
break;
}
@@ -1679,7 +1601,7 @@ String String::num_real(double p_num, bool p_trailing) {
}
dec *= 10;
- int last = (int)dec % 10;
+ int last = (int64_t)dec % 10;
if (last > 5) {
if (dec_int == dec_max) {
@@ -1733,19 +1655,18 @@ 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
@@ -1756,10 +1677,6 @@ 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) {
@@ -3645,7 +3562,7 @@ String String::strip_edges(bool left, bool right) const {
}
if (right) {
- for (int i = (int)(len - 1); i >= 0; i--) {
+ for (int i = len - 1; i >= 0; i--) {
if (operator[](i) <= 32) {
end--;
} else {
@@ -4414,28 +4331,44 @@ 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("\\"));
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-01 03:03:44 +0000