feat: an util for separating string vectors by text length

1 files changed, 22 insertions, 0 deletions

diff --git a/bot/src/utils/string.cpp b/bot/src/utils/string.cpp
index 71c06bf..0fd01ec 100644
--- a/bot/src/utils/string.cpp
+++ b/bot/src/utils/string.cpp
@@ -61,6 +61,28 @@ namespace bot {
 
         return false;
       }
+
+      std::vector<std::vector<std::string>> separate_by_length(
+          const std::vector<std::string> &vector, const int &max_length) {
+        std::vector<std::vector<std::string>> output;
+        std::vector<std::string> active;
+        int length = 0;
+
+        for (const std::string &str : vector) {
+          length += str.length();
+
+          if (length >= max_length) {
+            output.push_back(active);
+            active = {str};
+          } else {
+            active.push_back(str);
+          }
+        }
+
+        if (!active.empty()) output.push_back(active);
+
+        return output;
+      }
     }
   }
 }