refactor: adjust code structure

1 files changed, 97 insertions, 0 deletions

diff --git a/src/core/page_processor.cc b/src/core/page_processor.cc
new file mode 100644
index 0000000..00728a9
--- /dev/null
+++ b/src/core/page_processor.cc
@@ -0,0 +1,97 @@
+/*
+ * 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/page_processor.hh"
+#include <fstream>
+#include <ranges>
+#include <vector>
+
+namespace ricochet::core {
+
+std::string extract_title( const parser::DomNode& root_node )
+{
+  std::vector<const parser::DomNode*> stack;
+  stack.push_back( &root_node );
+
+  while ( !stack.empty() ) {
+    const parser::DomNode* current = stack.back();
+    stack.pop_back();
+
+    std::string base_tag = current->tag_name;
+    const std::size_t space_pos = base_tag.find( ' ' );
+    if ( space_pos != std::string::npos ) {
+      base_tag = base_tag.substr( 0, space_pos );
+    }
+
+    for ( char& c : base_tag ) {
+      if ( c >= 'A' && c <= 'Z' ) {
+        c = static_cast<char>( c + 32 );
+      }
+    }
+
+    if ( base_tag == "title" ) {
+      std::string full_title;
+      for ( const auto& child : current->children ) {
+        if ( child.tag_name.empty() ) {
+          full_title += child.text_content;
+        }
+      }
+      if ( !full_title.empty() ) {
+        return full_title;
+      }
+    }
+
+    for ( const auto& child : std::ranges::reverse_view( current->children ) ) {
+      stack.push_back( &child );
+    }
+  }
+  return "";
+}
+
+PageData process_binary_download( const HttpRequest& req, const net::HttpResponse& resp )
+{
+  std::string fname = "download.dat";
+  const std::size_t slash = req.url.rfind( '/' );
+  if ( slash != std::string::npos && slash + 1 < req.url.length() ) {
+    fname = req.url.substr( slash + 1 );
+    const std::size_t q_pos = fname.find( '?' );
+    if ( q_pos != std::string::npos ) {
+      fname = fname.substr( 0, q_pos );
+    }
+  }
+  if ( fname.empty() ) {
+    fname = "download.dat";
+  }
+
+  std::ofstream out( fname, std::ios::binary );
+  out.write( resp.body.data(), static_cast<std::streamsize>( resp.body.size() ) );
+  out.close();
+
+  return { .lines = { "\033[1;32m[ Download Complete ]\033[0m",
+                      "",
+                      "Saved File : " + fname,
+                      "File Type  : " + resp.content_type,
+                      "File Size  : " + std::to_string( resp.body.size() ) + " bytes",
+                      "",
+                      "Press 'H' to return to the previous page." },
+           .links = {},
+           .inputs = {},
+           .title = "Download Manager" };
+}
+
+} // namespace ricochet::core