Style: Enforce braces around if blocks and loops

Using clang-tidy's `readability-braces-around-statements`.
https://clang.llvm.org/extra/clang-tidy/checks/readability-braces-around-statements.html

core/io/xml_parser.cpp

@@ -38,9 +38,11 @@ VARIANT_ENUM_CAST(XMLParser::NodeType);
 
 static bool _equalsn(const CharType *str1, const CharType *str2, int len) {
 	int i;
-	for (i = 0; i < len && str1[i] && str2[i]; ++i)
-		if (str1[i] != str2[i])
+	for (i = 0; i < len && str1[i] && str2[i]; ++i) {
+		if (str1[i] != str2[i]) {
 			return false;
+		}
+	}
 
 	// if one (or both) of the strings was smaller then they
 	// are only equal if they have the same length
@@ -51,8 +53,9 @@ String XMLParser::_replace_special_characters(const String &origstr) {
 	int pos = origstr.find("&");
 	int oldPos = 0;
 
-	if (pos == -1)
+	if (pos == -1) {
 		return origstr;
+	}
 
 	String newstr;
 
@@ -83,8 +86,9 @@ String XMLParser::_replace_special_characters(const String &origstr) {
 		pos = origstr.find("&", pos);
 	}
 
-	if (oldPos < origstr.length() - 1)
+	if (oldPos < origstr.length() - 1) {
 		newstr += (origstr.substr(oldPos, origstr.length() - oldPos));
+	}
 
 	return newstr;
 }
@@ -99,12 +103,15 @@ bool XMLParser::_set_text(char *start, char *end) {
 	// only white space, so that this text won't be reported
 	if (end - start < 3) {
 		char *p = start;
-		for (; p != end; ++p)
-			if (!_is_white_space(*p))
+		for (; p != end; ++p) {
+			if (!_is_white_space(*p)) {
 				break;
+			}
+		}
 
-		if (p == end)
+		if (p == end) {
 			return false;
+		}
 	}
 
 	// set current text to the parsed text, and replace xml special characters
@@ -125,8 +132,9 @@ void XMLParser::_parse_closing_xml_element() {
 	++P;
 	const char *pBeginClose = P;
 
-	while (*P != '>')
+	while (*P != '>') {
 		++P;
+	}
 
 	node_name = String::utf8(pBeginClose, (int)(P - pBeginClose));
 #ifdef DEBUG_XML
@@ -140,15 +148,17 @@ void XMLParser::_ignore_definition() {
 
 	char *F = P;
 	// move until end marked with '>' reached
-	while (*P != '>')
+	while (*P != '>') {
 		++P;
+	}
 	node_name.parse_utf8(F, P - F);
 	++P;
 }
 
 bool XMLParser::_parse_cdata() {
-	if (*(P + 1) != '[')
+	if (*(P + 1) != '[') {
 		return false;
+	}
 
 	node_type = NODE_CDATA;
 
@@ -159,8 +169,9 @@ bool XMLParser::_parse_cdata() {
 		++count;
 	}
 
-	if (!*P)
+	if (!*P) {
 		return true;
+	}
 
 	char *cDataBegin = P;
 	char *cDataEnd = nullptr;
@@ -176,10 +187,11 @@ bool XMLParser::_parse_cdata() {
 		++P;
 	}
 
-	if (cDataEnd)
+	if (cDataEnd) {
 		node_name = String::utf8(cDataBegin, (int)(cDataEnd - cDataBegin));
-	else
+	} else {
 		node_name = "";
+	}
 #ifdef DEBUG_XML
 	print_line("XML CDATA: " + node_name);
 #endif
@@ -197,10 +209,11 @@ void XMLParser::_parse_comment() {
 
 	// move until end of comment reached
 	while (count) {
-		if (*P == '>')
+		if (*P == '>') {
 			--count;
-		else if (*P == '<')
+		} else if (*P == '<') {
 			++count;
+		}
 
 		++P;
 	}
@@ -222,46 +235,52 @@ void XMLParser::_parse_opening_xml_element() {
 	const char *startName = P;
 
 	// find end of element
-	while (*P != '>' && !_is_white_space(*P))
+	while (*P != '>' && !_is_white_space(*P)) {
 		++P;
+	}
 
 	const char *endName = P;
 
 	// find attributes
 	while (*P != '>') {
-		if (_is_white_space(*P))
+		if (_is_white_space(*P)) {
 			++P;
-		else {
+		} else {
 			if (*P != '/') {
 				// we've got an attribute
 
 				// read the attribute names
 				const char *attributeNameBegin = P;
 
-				while (!_is_white_space(*P) && *P != '=')
+				while (!_is_white_space(*P) && *P != '=') {
 					++P;
+				}
 
 				const char *attributeNameEnd = P;
 				++P;
 
 				// read the attribute value
 				// check for quotes and single quotes, thx to murphy
-				while ((*P != '\"') && (*P != '\'') && *P)
+				while ((*P != '\"') && (*P != '\'') && *P) {
 					++P;
+				}
 
-				if (!*P) // malformatted xml file
+				if (!*P) { // malformatted xml file
 					return;
+				}
 
 				const char attributeQuoteChar = *P;
 
 				++P;
 				const char *attributeValueBegin = P;
 
-				while (*P != attributeQuoteChar && *P)
+				while (*P != attributeQuoteChar && *P) {
 					++P;
+				}
 
-				if (!*P) // malformatted xml file
+				if (!*P) { // malformatted xml file
 					return;
+				}
 
 				const char *attributeValueEnd = P;
 				++P;
@@ -304,16 +323,19 @@ void XMLParser::_parse_current_node() {
 	node_offset = P - data;
 
 	// more forward until '<' found
-	while (*P != '<' && *P)
+	while (*P != '<' && *P) {
 		++P;
+	}
 
-	if (!*P)
+	if (!*P) {
 		return;
+	}
 
 	if (P - start > 0) {
 		// we found some text, store it
-		if (_set_text(start, P))
+		if (_set_text(start, P)) {
 			return;
+		}
 	}
 
 	++P;
@@ -327,8 +349,9 @@ void XMLParser::_parse_current_node() {
 			_ignore_definition();
 			break;
 		case '!':
-			if (!_parse_cdata())
+			if (!_parse_cdata()) {
 				_parse_comment();
+			}
 			break;
 		default:
 			_parse_opening_xml_element();
@@ -417,8 +440,9 @@ String XMLParser::get_attribute_value(int p_idx) const {
 
 bool XMLParser::has_attribute(const String &p_name) const {
 	for (int i = 0; i < attributes.size(); i++) {
-		if (attributes[i].name == p_name)
+		if (attributes[i].name == p_name) {
 			return true;
+		}
 	}
 
 	return false;
@@ -447,8 +471,9 @@ String XMLParser::get_attribute_value_safe(const String &p_name) const {
 		}
 	}
 
-	if (idx < 0)
+	if (idx < 0) {
 		return "";
+	}
 	return attributes[idx].value;
 }
 
@@ -496,8 +521,9 @@ Error XMLParser::open(const String &p_path) {
 
 void XMLParser::skip_section() {
 	// skip if this element is empty anyway.
-	if (is_empty())
+	if (is_empty()) {
 		return;
+	}
 
 	// read until we've reached the last element in this section
 	int tagcount = 1;
@@ -506,14 +532,16 @@ void XMLParser::skip_section() {
 		if (get_node_type() == XMLParser::NODE_ELEMENT &&
 				!is_empty()) {
 			++tagcount;
-		} else if (get_node_type() == XMLParser::NODE_ELEMENT_END)
+		} else if (get_node_type() == XMLParser::NODE_ELEMENT_END) {
 			--tagcount;
+		}
 	}
 }
 
 void XMLParser::close() {
-	if (data)
+	if (data) {
 		memdelete_arr(data);
+	}
 	data = nullptr;
 	length = 0;
 	P = nullptr;
@@ -535,6 +563,7 @@ XMLParser::XMLParser() {
 }
 
 XMLParser::~XMLParser() {
-	if (data)
+	if (data) {
 		memdelete_arr(data);
+	}
 }