Move tokenize and sv_parse_num into string_view_utils

src/utils/string_view_utils.cpp

@@ -0,0 +1,35 @@
+#include "string_view_utils.hpp"
+
+std::string_view tokenize(std::string_view& str, char delim, char quot){
+        if(str.empty())
+                return {};
+
+        bool escaped = false;
+
+        auto token_begin = str.begin();
+        while(token_begin != str.end()){
+                if(*token_begin == quot)
+                        escaped = !escaped;
+                else if(*token_begin != delim)
+                        break;
+
+                token_begin++;
+        }
+
+        auto token_end = token_begin;
+        while(token_end != str.end()){
+                if(*token_end == quot){
+                        str = std::string_view(token_end, str.end() - token_end);
+                        str.remove_prefix(1); //remove the end quote
+                        return std::string_view(token_begin, token_end - token_begin);
+                }
+                else if(*token_end == delim && !escaped)
+                        break;
+
+                token_end++;
+        }
+
+        str = std::string_view(token_end, str.end() - token_end);
+
+        return std::string_view(token_begin, token_end - token_begin);
+}