summaryrefslogtreecommitdiff
path: root/core/ustring.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/ustring.cpp')
-rw-r--r--core/ustring.cpp296
1 files changed, 292 insertions, 4 deletions
diff --git a/core/ustring.cpp b/core/ustring.cpp
index 581cc29440..476ab3f936 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -34,6 +34,7 @@
#include "io/md5.h"
#include "ucaps.h"
#include "color.h"
+#include "variant.h"
#define MAX_DIGITS 6
#define UPPERCASE(m_c) (((m_c)>='a' && (m_c)<='z')?((m_c)-('a'-'A')):(m_c))
#define LOWERCASE(m_c) (((m_c)>='A' && (m_c)<='Z')?((m_c)+('a'-'A')):(m_c))
@@ -981,7 +982,7 @@ String String::num(double p_num,int p_decimals) {
}
-String String::num_int64(int64_t p_num) {
+String String::num_int64(int64_t p_num, int base, bool capitalize_hex) {
bool sign=p_num<0;
int64_t num=ABS(p_num);
@@ -990,7 +991,7 @@ String String::num_int64(int64_t p_num) {
int chars=0;
do {
- n/=10;
+ n/=base;
chars++;
} while(n);
@@ -1002,8 +1003,15 @@ String String::num_int64(int64_t p_num) {
c[chars]=0;
n=num;
do {
- c[--chars]='0'+(n%10);
- n/=10;
+ int mod = n%base;
+ if (mod >= 10) {
+ char a = (capitalize_hex ? 'A' : 'a');
+ c[--chars]=a+(mod - 10);
+ } else {
+ c[--chars]='0'+mod;
+ }
+
+ n/=base;
} while(n);
if (sign)
@@ -3518,4 +3526,284 @@ String rtoss(double p_val) {
return String::num_scientific(p_val);
}
+// Right-pad with a character.
+String String::rpad(int min_length, const String& character) const {
+ String s = *this;
+ int padding = min_length - s.length();
+ if (padding > 0) {
+ for (int i = 0; i < padding; i++) s = s + character;
+ }
+
+ return s;
+}
+// Left-pad with a character.
+String String::lpad(int min_length, const String& character) const {
+ String s = *this;
+ int padding = min_length - s.length();
+ if (padding > 0) {
+ for (int i = 0; i < padding; i++) s = character + s;
+ }
+
+ return s;
+}
+
+// sprintf is implemented in GDScript via:
+// "fish %s pie" % "frog"
+// "fish %s %d pie" % ["frog", 12]
+String String::sprintf(const Array& values) const {
+
+ String formatted;
+ CharType* self = (CharType*)c_str();
+ int num_items = values.size();
+ bool in_format = false;
+ int value_index = 0;
+ int min_chars;
+ int min_decimals;
+ bool in_decimals;
+ bool pad_with_zeroes;
+ bool left_justified;
+ bool show_sign;
+
+
+ for (; *self; self++) {
+ const CharType c = *self;
+
+ if (in_format) { // We have % - lets see what else we get.
+ switch (c) {
+ case '%': { // Replace %% with %
+ formatted += chr(c);
+ in_format = false;
+ break;
+ }
+ case 'd': // Integer (signed)
+ case 'o': // Octal
+ case 'x': // Hexadecimal (lowercase)
+ case 'X': { // Hexadecimal (uppercase)
+ if (value_index >= values.size()) {
+ ERR_EXPLAIN("not enough arguments for format string");
+ ERR_FAIL_V("");
+ }
+
+ if (!values[value_index].is_num()) {
+ ERR_EXPLAIN("a number is required");
+ ERR_FAIL_V("");
+ }
+
+ int64_t value = values[value_index];
+ int base;
+ bool capitalize = false;
+ switch (c) {
+ case 'd': base = 10; break;
+ case 'o': base = 8; break;
+ case 'x': base = 16; break;
+ case 'X': base = 16; capitalize = true; break;
+ }
+ // Get basic number.
+ String str = String::num_int64(value, base, capitalize);
+
+ // Sign.
+ if (show_sign && value >= 0) {
+ str = str.insert(0, "+");
+ }
+
+ // Padding.
+ String pad_char = pad_with_zeroes ? String("0") : String(" ");
+ if (left_justified) {
+ str = str.rpad(min_chars, pad_char);
+ } else {
+ str = str.lpad(min_chars, pad_char);
+ }
+
+ formatted += str;
+ ++value_index;
+ in_format = false;
+
+ break;
+ }
+ case 'f': { // Float
+ if (value_index >= values.size()) {
+ ERR_EXPLAIN("not enough arguments for format string");
+ ERR_FAIL_V("");
+ }
+
+ if (!values[value_index].is_num()) {
+ ERR_EXPLAIN("a number is required");
+ ERR_FAIL_V("");
+ }
+
+ double value = values[value_index];
+ String str = String::num(value, min_decimals);
+
+ // Pad decimals out.
+ str = str.pad_decimals(min_decimals);
+
+ // Show sign
+ if (show_sign && value >= 0) {
+ str = str.insert(0, "+");
+ }
+
+ // Padding
+ if (left_justified) {
+ str = str.rpad(min_chars);
+ } else {
+ str = str.lpad(min_chars);
+ }
+
+ formatted += str;
+ ++value_index;
+ in_format = false;
+
+ break;
+ }
+ case 's': { // String
+ if (value_index >= values.size()) {
+ ERR_EXPLAIN("not enough arguments for format string");
+ ERR_FAIL_V("");
+ }
+
+ String str = values[value_index];
+ // Padding.
+ if (left_justified) {
+ str = str.rpad(min_chars);
+ } else {
+ str = str.lpad(min_chars);
+ }
+
+ formatted += str;
+ ++value_index;
+ in_format = false;
+ break;
+ }
+ case 'c': {
+ if (value_index >= values.size()) {
+ ERR_EXPLAIN("not enough arguments for format string");
+ ERR_FAIL_V("");
+ }
+
+ // Convert to character.
+ String str;
+ if (values[value_index].is_num()) {
+ int value = values[value_index];
+ if (value < 0) {
+ ERR_EXPLAIN("unsigned byte integer is lower than maximum")
+ ERR_FAIL_V("");
+ } else if (value > 255) {
+ ERR_EXPLAIN("unsigned byte integer is greater than maximum")
+ ERR_FAIL_V("");
+ }
+ str = chr(values[value_index]);
+ } else if (values[value_index].get_type() == Variant::STRING) {
+ str = values[value_index];
+ if (str.length() != 1) {
+ ERR_EXPLAIN("%c requires number or single-character string");
+ ERR_FAIL_V("");
+ }
+ } else {
+ ERR_EXPLAIN("%c requires number or single-character string");
+ ERR_FAIL_V("");
+ }
+
+ // Padding.
+ if (left_justified) {
+ str = str.rpad(min_chars);
+ } else {
+ str = str.lpad(min_chars);
+ }
+ formatted += str;
+ ++value_index;
+ in_format = false;
+ break;
+ }
+ case '-': { // Left justify
+ left_justified = true;
+ break;
+ }
+ case '+': { // Show + if positive.
+ show_sign = true;
+ break;
+ }
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9': {
+ int n = c - '0';
+ if (in_decimals) {
+ min_decimals *= 10;
+ min_decimals += n;
+ } else {
+ if (c == '0' && min_chars == 0) {
+ pad_with_zeroes = true;
+ } else {
+ min_chars *= 10;
+ min_chars += n;
+ }
+ }
+ break;
+ }
+ case '.': { // Float separtor.
+ if (in_decimals) {
+ ERR_EXPLAIN("too many decimal points in format");
+ ERR_FAIL_V("");
+ }
+ in_decimals = true;
+ min_decimals = 0; // We want to add the value manually.
+ break;
+ }
+
+ case '*': { // Dyanmic width, based on value.
+ if (value_index >= values.size()) {
+ ERR_EXPLAIN("not enough arguments for format string");
+ ERR_FAIL_V("");
+ }
+
+ if (!values[value_index].is_num()) {
+ ERR_EXPLAIN("* wants number");
+ ERR_FAIL_V("");
+ }
+
+ int size = values[value_index];
+
+ if (in_decimals) {
+ min_decimals = size;
+ } else {
+ min_chars = size;
+ }
+
+ ++value_index;
+ break;
+ }
+
+ default: {
+ ERR_EXPLAIN("unsupported format character");
+ ERR_FAIL_V("");
+ }
+ }
+ } else { // Not in format string.
+ switch (c) {
+ case '%':
+ in_format = true;
+ // Back to defaults:
+ min_chars = 0;
+ min_decimals = 6;
+ pad_with_zeroes = false;
+ left_justified = false;
+ show_sign = false;
+ in_decimals = false;
+ break;
+ default:
+ formatted += chr(c);
+ }
+ }
+ }
+
+ if (in_format) {
+ ERR_EXPLAIN("incomplete format");
+ ERR_FAIL_V("");
+ }
+
+ if (value_index != values.size()) {
+ ERR_EXPLAIN("not all arguments converted during string formatting");
+ ERR_FAIL_V("");
+ }
+
+ return formatted;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 18:01:30 +0000