1 files changed, 79 insertions, 13 deletions

diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index cf0040353d..bdb66526a4 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -240,6 +240,71 @@ String String::word_wrap(int p_chars_per_line) const {
 	return ret;
 }
 
+Error String::parse_url(String &r_scheme, String &r_host, int &r_port, String &r_path) const {
+	// Splits the URL into scheme, host, port, path. Strip credentials when present.
+	String base = *this;
+	r_scheme = "";
+	r_host = "";
+	r_port = 0;
+	r_path = "";
+	int pos = base.find("://");
+	// Scheme
+	if (pos != -1) {
+		r_scheme = base.substr(0, pos + 3).to_lower();
+		base = base.substr(pos + 3, base.length() - pos - 3);
+	}
+	pos = base.find("/");
+	// Path
+	if (pos != -1) {
+		r_path = base.substr(pos, base.length() - pos);
+		base = base.substr(0, pos);
+	}
+	// Host
+	pos = base.find("@");
+	if (pos != -1) {
+		// Strip credentials
+		base = base.substr(pos + 1, base.length() - pos - 1);
+	}
+	if (base.begins_with("[")) {
+		// Literal IPv6
+		pos = base.rfind("]");
+		if (pos == -1) {
+			return ERR_INVALID_PARAMETER;
+		}
+		r_host = base.substr(1, pos - 1);
+		base = base.substr(pos + 1, base.length() - pos - 1);
+	} else {
+		// Anything else
+		if (base.get_slice_count(":") > 1) {
+			return ERR_INVALID_PARAMETER;
+		}
+		pos = base.rfind(":");
+		if (pos == -1) {
+			r_host = base;
+			base = "";
+		} else {
+			r_host = base.substr(0, pos);
+			base = base.substr(pos, base.length() - pos);
+		}
+	}
+	if (r_host.is_empty()) {
+		return ERR_INVALID_PARAMETER;
+	}
+	r_host = r_host.to_lower();
+	// Port
+	if (base.begins_with(":")) {
+		base = base.substr(1, base.length() - 1);
+		if (!base.is_valid_integer()) {
+			return ERR_INVALID_PARAMETER;
+		}
+		r_port = base.to_int();
+		if (r_port < 1 || r_port > 65535) {
+			return ERR_INVALID_PARAMETER;
+		}
+	}
+	return OK;
+}
+
 void String::copy_from(const char *p_cstr) {
 	// copy Latin-1 encoded c-string directly
 	if (!p_cstr) {
@@ -3784,27 +3849,28 @@ String String::uri_encode() const {
 }
 
 String String::uri_decode() const {
-	String res;
-	for (int i = 0; i < length(); ++i) {
-		if (unicode_at(i) == '%' && i + 2 < length()) {
-			char32_t ord1 = unicode_at(i + 1);
+	CharString src = utf8();
+	CharString res;
+	for (int i = 0; i < src.length(); ++i) {
+		if (src[i] == '%' && i + 2 < src.length()) {
+			char ord1 = src[i + 1];
 			if ((ord1 >= '0' && ord1 <= '9') || (ord1 >= 'A' && ord1 <= 'Z')) {
-				char32_t ord2 = unicode_at(i + 2);
+				char ord2 = src[i + 2];
 				if ((ord2 >= '0' && ord2 <= '9') || (ord2 >= 'A' && ord2 <= 'Z')) {
 					char bytes[3] = { (char)ord1, (char)ord2, 0 };
 					res += (char)strtol(bytes, nullptr, 16);
 					i += 2;
 				}
 			} else {
-				res += unicode_at(i);
+				res += src[i];
 			}
-		} else if (unicode_at(i) == '+') {
+		} else if (src[i] == '+') {
 			res += ' ';
 		} else {
-			res += unicode_at(i);
+			res += src[i];
 		}
 	}
-	return String::utf8(res.ascii());
+	return String::utf8(res);
 }
 
 String String::c_unescape() const {
@@ -4765,7 +4831,7 @@ Vector<uint8_t> String::to_ascii_buffer() const {
 	size_t len = charstr.length();
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
-	copymem(w, charstr.ptr(), len);
+	memcpy(w, charstr.ptr(), len);
 
 	return retval;
 }
@@ -4781,7 +4847,7 @@ Vector<uint8_t> String::to_utf8_buffer() const {
 	size_t len = charstr.length();
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
-	copymem(w, charstr.ptr(), len);
+	memcpy(w, charstr.ptr(), len);
 
 	return retval;
 }
@@ -4797,7 +4863,7 @@ Vector<uint8_t> String::to_utf16_buffer() const {
 	size_t len = charstr.length() * sizeof(char16_t);
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
-	copymem(w, (const void *)charstr.ptr(), len);
+	memcpy(w, (const void *)charstr.ptr(), len);
 
 	return retval;
 }
@@ -4812,7 +4878,7 @@ Vector<uint8_t> String::to_utf32_buffer() const {
 	size_t len = s->length() * sizeof(char32_t);
 	retval.resize(len);
 	uint8_t *w = retval.ptrw();
-	copymem(w, (const void *)s->ptr(), len);
+	memcpy(w, (const void *)s->ptr(), len);
 
 	return retval;
 }