commit bee7b5f42e2969e7ac2925dee77f4a078655e28a
Author: Eiji Miyamoto <eiji.miyamoto@student.manchester.ac.uk>
Date:   Thu Aug 24 22:23:53 2023 +0100

    fixed it as it did not work at all. still need to convert python file to this

diff --git a/buffer_mecab.cpp b/buffer_mecab.cpp
index 45c1491..bcd5614 100644
--- a/buffer_mecab.cpp
+++ b/buffer_mecab.cpp
@@ -11,13 +11,20 @@ void process_text(std::istream& sin, std::ostream& sout) {
     std::stringstream buffer;
     std::string tokenized;
     bool in_bracket = false;
-    for (char i : text) {
+    
+    // loop till it reaches size of text
+    for (std::size_t idx = 0; idx < text.length(); ++idx) {
+        char i = text[idx];
+        
         buffer << i;
-        if (i == text.back()){
+        
+        // text.back() to text.lenght()
+        if (idx == text.length() - 1) {
             std::string token = tagger->parse(buffer.str().c_str());
             token.erase(token.find_last_not_of(" \n\r\t") + 1);
             tokenized += token;
         }
+        
         if (i == '[') {
             std::string temp = buffer.str();
             temp.pop_back();
@@ -29,9 +36,11 @@ void process_text(std::istream& sin, std::ostream& sout) {
             buffer.clear();
             in_bracket = true;
         }
+        
         if (in_bracket) {
             tokenized += i;
         }
+        
         if (i == ']') {
             in_bracket = false;
             buffer.str("");
@@ -39,12 +48,12 @@ void process_text(std::istream& sin, std::ostream& sout) {
         }
     }
     
-    sout << tokenized;
-    
     delete tagger;
+    
+    sout << tokenized;
 }
 
 int main() {
     process_text(std::cin, std::cout);
     return 0;
-}
+}
\ No newline at end of file