1 files changed, 64 insertions, 0 deletions
diff --git a/ricochet/src/core/form_handler.cc b/ricochet/src/core/form_handler.cc
new file mode 100644
index 0000000..6100a30
--- /dev/null
+++ b/ricochet/src/core/form_handler.cc
@@ -0,0 +1,64 @@
+/*
+ * 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/form_handler.hh"
+#include "ricochet/core/utils.hh"
+
+namespace ricochet::core {
+
+InputAction submit_form( const render::InputField& target_input,
+                         const std::vector<render::InputField>& inputs,
+                         const std::string& current_url,
+                         std::vector<HttpRequest>& history,
+                         std::size_t& history_idx )
+{
+  std::string body;
+  for ( const auto& in : inputs ) {
+    if ( in.action == target_input.action && !in.name.empty() && in.type != "submit" && in.type != "button" ) {
+      if ( ( in.type == "checkbox" || in.type == "radio" ) && !in.checked ) {
+        continue;
+      }
+      std::string encoded = in.value;
+      for ( char& ch : encoded ) {
+        if ( ch == ' ' ) {
+          ch = '+';
+        }
+      }
+      if ( !body.empty() ) {
+        body += "&";
+      }
+      body += in.name + "=" + encoded;
+    }
+  }
+  const std::string action
+    = target_input.action.empty() ? current_url : normalize_url( target_input.action, current_url );
+  HttpRequest next_req { .url = action, .method = "GET", .body = "" };
+  if ( target_input.method == "post" || target_input.method == "POST" ) {
+    next_req.method = "POST";
+    next_req.body = body;
+  } else {
+    const char sep = action.contains( '?' ) ? '&' : '?';
+    next_req.url += sep + body;
+  }
+  history.resize( history_idx + 1 );
+  history.push_back( next_req );
+  history_idx++;
+  return InputAction::Navigate;
+}
+
+} // namespace ricochet::core