With string_view, stripping whitespace can be done without allocs.

Common/StringUtils.cpp

@@ -239,18 +239,15 @@ std::string StringFromFormat(const char* format, ...)
 	return temp;
 }
 
-std::string StringFromInt(int value)
-{
+std::string StringFromInt(int value) {
 	char temp[16];
 	snprintf(temp, sizeof(temp), "%d", value);
 	return temp;
 }
 
 // Turns "  hej " into "hej". Also handles tabs.
-std::string StripSpaces(const std::string &str)
-{
+std::string StripSpaces(const std::string &str) {
 	const size_t s = str.find_first_not_of(" \t\r\n");
-
 	if (str.npos != s)
 		return str.substr(s, str.find_last_not_of(" \t\r\n") - s + 1);
 	else
@@ -268,6 +265,25 @@ std::string StripQuotes(const std::string& s)
 		return s;
 }
 
+// Turns "  hej " into "hej". Also handles tabs.
+std::string_view StripSpaces(std::string_view str) {
+	const size_t s = str.find_first_not_of(" \t\r\n");
+	if (str.npos != s)
+		return str.substr(s, str.find_last_not_of(" \t\r\n") - s + 1);
+	else
+		return "";
+}
+
+// "\"hello\"" is turned to "hello"
+// This one assumes that the string has already been space stripped in both
+// ends, as done by StripSpaces above, for example.
+std::string_view StripQuotes(std::string_view s) {
+	if (s.size() && '\"' == s[0] && '\"' == *s.rbegin())
+		return s.substr(1, s.size() - 2);
+	else
+		return s;
+}
+
 void SplitString(const std::string& str, const char delim, std::vector<std::string>& output)
 {
 	size_t next = 0;