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/*
* 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/net/http_utils.hh"
#include <string>
#include <string_view>
namespace ricochet::net {
std::string dechunk( std::string_view body )
{
std::string result;
std::size_t pos = 0;
while ( pos < body.size() ) {
auto line_end = body.find( "\r\n", pos );
if ( line_end == std::string_view::npos ) {
break;
}
const std::string len_str( body.substr( pos, line_end - pos ) );
unsigned int chunk_size = 0;
try {
chunk_size = std::stoul( len_str, nullptr, 16 );
} catch ( ... ) {
break;
}
if ( chunk_size == 0 ) {
break;
}
pos = line_end + 2;
if ( pos + chunk_size > body.size() ) {
break;
}
result.append( body.substr( pos, chunk_size ) );
pos += chunk_size + 2;
}
return result;
}
std::string remove_html_comments( std::string html )
{
std::size_t start_pos = 0;
while ( ( start_pos = html.find( "<!--", start_pos ) ) != std::string::npos ) {
auto end_pos = html.find( "-->", start_pos );
if ( end_pos != std::string::npos ) {
html.erase( start_pos, end_pos - start_pos + 3 );
} else {
html.erase( start_pos );
break;
}
}
return html;
}
std::string remove_tag_blocks( std::string html, // NOLINT(bugprone-easily-swappable-parameters)
const std::string& tag_name )
{
const std::string open_tag = "<" + tag_name;
const std::string close_tag = "</" + tag_name + ">";
std::size_t start_pos = 0;
while ( ( start_pos = html.find( open_tag, start_pos ) ) != std::string::npos ) {
const std::size_t end_pos = html.find( close_tag, start_pos );
if ( end_pos != std::string::npos ) {
html.erase( start_pos, end_pos - start_pos + close_tag.length() );
} else {
html.erase( start_pos );
break;
}
}
return html;
}
} // namespace ricochet::net
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