Merge pull request #31883 from aole/create-string-function-repeat

Create a GDScript String function repeat

core/ustring.cpp

@@ -3049,6 +3049,22 @@ String String::replacen(const String &p_key, const String &p_with) const {
 	return new_string;
 }
 
+String String::repeat(int p_count) const {
+
+	ERR_FAIL_COND_V_MSG(p_count < 0, "", "Parameter count should be a positive number.");
+
+	String new_string;
+	const CharType *src = this->c_str();
+
+	new_string.resize(length() * p_count + 1);
+
+	for (int i = 0; i < p_count; i++)
+		for (int j = 0; j < length(); j++)
+			new_string[i * length() + j] = src[j];
+
+	return new_string;
+}
+
 String String::left(int p_pos) const {
 
 	if (p_pos <= 0)

core/ustring.h

@@ -223,6 +223,7 @@ public:
 	String replace(const String &p_key, const String &p_with) const;
 	String replace(const char *p_key, const char *p_with) const;
 	String replacen(const String &p_key, const String &p_with) const;
+	String repeat(int p_count) const;
 	String insert(int p_at_pos, const String &p_string) const;
 	String pad_decimals(int p_digits) const;
 	String pad_zeros(int p_digits) const;

core/variant_call.cpp

@@ -256,6 +256,7 @@ struct _VariantCall {
 	VCALL_LOCALMEM2R(String, format);
 	VCALL_LOCALMEM2R(String, replace);
 	VCALL_LOCALMEM2R(String, replacen);
+	VCALL_LOCALMEM1R(String, repeat);
 	VCALL_LOCALMEM2R(String, insert);
 	VCALL_LOCALMEM0R(String, capitalize);
 	VCALL_LOCALMEM3R(String, split);
@@ -1530,6 +1531,7 @@ void register_variant_methods() {
 	ADDFUNC2R(STRING, STRING, String, format, NIL, "values", STRING, "placeholder", varray("{_}"));
 	ADDFUNC2R(STRING, STRING, String, replace, STRING, "what", STRING, "forwhat", varray());
 	ADDFUNC2R(STRING, STRING, String, replacen, STRING, "what", STRING, "forwhat", varray());
+	ADDFUNC1R(STRING, STRING, String, repeat, INT, "count", varray());
 	ADDFUNC2R(STRING, STRING, String, insert, INT, "position", STRING, "what", varray());
 	ADDFUNC0R(STRING, STRING, String, capitalize, varray());
 	ADDFUNC3R(STRING, POOL_STRING_ARRAY, String, split, STRING, "delimiter", BOOL, "allow_empty", INT, "maxsplit", varray(true, 0));

doc/classes/String.xml

@@ -677,6 +677,15 @@
 				Replaces occurrences of a case-insensitive substring with the given one inside the string.
 			</description>
 		</method>
+		<method name="repeat">
+			<return type="String">
+			</return>
+			<argument index="0" name="count" type="int">
+			</argument>
+			<description>
+				Returns original string repeated a number of times. The number of repetitions is given by the argument.
+			</description>
+		</method>
 		<method name="rfind">
 			<return type="int">
 			</return>