1 files changed, 118 insertions, 0 deletions
diff --git a/src/core/utils.cc b/src/core/utils.cc
new file mode 100644
index 0000000..ddc6321
--- /dev/null
+++ b/src/core/utils.cc
@@ -0,0 +1,118 @@
+/*
+ * Ricochet - A minimalist CLI web browser for fast, distraction-free navigation.
+ * Copyright (C) 2026  Richard Qin
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ricochet/core/utils.hh"
+
+namespace ricochet::core {
+
+std::vector<std::string> split_into_lines( const std::string& text )
+{
+  std::vector<std::string> lines;
+  std::size_t start = 0;
+  while ( start < text.length() ) {
+    const std::size_t end = text.find( '\n', start );
+    if ( end == std::string::npos ) {
+      lines.push_back( text.substr( start ) );
+      break;
+    }
+    lines.push_back( text.substr( start, end - start ) );
+    start = end + 1;
+  }
+  return lines;
+}
+
+std::string normalize_url( const std::string& target, const std::string& current_url )
+{
+  if ( target.starts_with( "/" ) ) {
+    if ( target.starts_with( "//" ) ) {
+      return "https:" + target;
+    }
+    const std::size_t slash_pos = current_url.find( '/', 8 );
+    const std::string domain
+      = ( slash_pos == std::string::npos ) ? current_url : current_url.substr( 0, slash_pos );
+    return domain + target;
+  }
+  if ( !target.starts_with( "http" ) ) {
+    const std::size_t last_slash = current_url.rfind( '/' );
+    if ( last_slash > 7 ) {
+      return current_url.substr( 0, last_slash + 1 ) + target;
+    }
+    return current_url + "/" + target;
+  }
+  return target;
+}
+
+std::string strip_ddg_tracker( std::string target )
+{
+  const std::size_t uddg_pos = target.find( "uddg=" );
+  if ( uddg_pos != std::string::npos ) {
+    const std::size_t end_pos = target.find( '&', uddg_pos );
+    const std::string encoded = target.substr( uddg_pos + 5, end_pos - ( uddg_pos + 5 ) );
+    std::string decoded;
+    for ( std::size_t i = 0; i < encoded.length(); ++i ) {
+      if ( encoded[i] == '%' && i + 2 < encoded.length() ) {
+        const std::string hex = encoded.substr( i + 1, 2 );
+        try {
+          decoded += static_cast<char>( std::stoi( hex, nullptr, 16 ) );
+        } catch ( const std::exception& ) {
+          (void)0;
+        }
+        i += 2;
+      } else {
+        decoded += encoded[i];
+      }
+    }
+    return decoded;
+  }
+  return target;
+}
+
+std::vector<std::string> wrap_lines( const std::vector<std::string>& original_lines, std::size_t wrap_width )
+{
+  std::vector<std::string> wrapped_lines;
+  for ( const auto& line : original_lines ) {
+    std::string current_line;
+    std::size_t vis_count = 0;
+    bool in_ansi = false;
+    for ( const char c : line ) {
+      if ( c == '\x1b' ) {
+        in_ansi = true;
+      }
+      if ( in_ansi ) {
+        current_line += c;
+        if ( c == 'm' ) {
+          in_ansi = false;
+        }
+      } else {
+        if ( vis_count >= wrap_width ) {
+          wrapped_lines.push_back( current_line + "\033[0m" );
+          current_line.clear();
+          vis_count = 0;
+        }
+        current_line += c;
+        vis_count++;
+      }
+    }
+    if ( !current_line.empty() || line.empty() ) {
+      wrapped_lines.push_back( current_line + "\033[0m" );
+    }
+  }
+  return wrapped_lines;
+}
+
+} // namespace ricochet::core