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src/main.cc

@@ -5,33 +5,36 @@
 #include <cstring>
 #include <cctype>
 #include <xcdat.hpp>
+#include <utility>
 
+// Struct to hold the view and id of each entry
 struct Entry {
     std::string_view decoded_view;
     uint64_t id;
     Entry(std::string_view decoded_view, uint64_t id) : decoded_view(decoded_view), id(id) {}
 };
 
-std::string remove_one_utf8_char(const std::string& str) {
+// Function to remove one UTF-8 character and return the character along with the new string
+std::pair<std::string, std::string> remove_one_utf8_char(const std::string& str) {
     if (str.empty()) {
-        return str;
+        return {"", str};
     }
     size_t len = str.size();
     size_t i = 0;
     while (i < len) {
         unsigned char c = str[i];
         if (c < 0x80) { // 1-byte character
-            return str.substr(i + 1);
+            return {str.substr(i, 1), str.substr(i + 1)};
         } else if ((c >> 5) == 0x6) { // 2-byte character
-            return str.substr(i + 2);
+            return {str.substr(i, 2), str.substr(i + 2)};
         } else if ((c >> 4) == 0xe) { // 3-byte character
-            return str.substr(i + 3);
+            return {str.substr(i, 3), str.substr(i + 3)};
         } else if ((c >> 3) == 0x1e) { // 4-byte character
-            return str.substr(i + 4);
+            return {str.substr(i, 4), str.substr(i + 4)};
         }
         i++;
     }
-    return "";
+    return {"", ""};
 }
 
 int main(int argc, char* argv[]) {
@@ -77,17 +80,20 @@ int main(int argc, char* argv[]) {
         // Add all substrings to the results
         if (!results.empty()) {
             for (const auto& entry : results) {
-                substrings.push_back(std::string(entry.decoded_view));
+                std::string substring(entry.decoded_view);
+                substrings.push_back(substring);
+                std::cout << substring << std::endl;
             }
         }
 
-        // Print debug information if in debug mode
+        // Remove one UTF-8 character from the search string and get the removed character
-        if (debug_mode) {
+        auto [removed_char, new_search_string] = remove_one_utf8_char(search_string);
-            std::cout << "Original search string: " << search_string << std::endl;
+
+        if (!removed_char.empty()) {
+            std::cout << removed_char << std::endl;
         }
 
-        // Remove one UTF-8 character from the search string
+        search_string = new_search_string;
-        search_string = remove_one_utf8_char(search_string);
 
         // Print debug information if in debug mode
         if (debug_mode) {
@@ -108,10 +114,5 @@ int main(int argc, char* argv[]) {
         std::cout << "Stored raw output:" << std::endl << raw_output << std::endl;
     }
 
-    // Print the substrings
-    for (const auto& sub : substrings) {
-        std::cout << sub << std::endl;
-    }
-
     return 0;
 }