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//
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//
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// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
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//
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// Official repository: https://github.com/cppalliance/http
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// Official repository: https://github.com/cppalliance/http
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//
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//
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#include <boost/http/server/mime_db.hpp>
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#include <boost/http/server/mime_db.hpp>
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#include <algorithm>
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#include <algorithm>
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#include <cctype>
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#include <cctype>
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namespace boost {
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namespace boost {
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namespace http {
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namespace http {
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namespace mime_db {
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namespace mime_db {
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namespace {
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namespace {
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// Static database of common MIME types
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// Static database of common MIME types
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// Sorted by type for binary search
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// Sorted by type for binary search
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constexpr mime_type_entry db[] = {
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constexpr mime_type_entry db[] = {
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    { "application/gzip", "", false },
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    { "application/gzip", "", false },
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    { "application/javascript", "UTF-8", true },
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    { "application/javascript", "UTF-8", true },
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    { "application/json", "UTF-8", true },
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    { "application/json", "UTF-8", true },
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    { "application/octet-stream", "", false },
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    { "application/octet-stream", "", false },
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    { "application/pdf", "", false },
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    { "application/pdf", "", false },
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    { "application/rtf", "UTF-8", true },
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    { "application/rtf", "UTF-8", true },
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    { "application/wasm", "", false },
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    { "application/wasm", "", false },
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    { "application/x-7z-compressed", "", false },
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    { "application/x-7z-compressed", "", false },
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    { "application/x-bzip", "", false },
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    { "application/x-bzip", "", false },
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    { "application/x-bzip2", "", false },
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    { "application/x-bzip2", "", false },
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    { "application/x-tar", "", false },
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    { "application/x-tar", "", false },
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    { "application/xhtml+xml", "UTF-8", true },
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    { "application/xhtml+xml", "UTF-8", true },
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    { "application/xml", "UTF-8", true },
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    { "application/xml", "UTF-8", true },
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    { "application/zip", "", false },
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    { "application/zip", "", false },
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    { "audio/aac", "", false },
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    { "audio/aac", "", false },
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    { "audio/flac", "", false },
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    { "audio/flac", "", false },
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    { "audio/mp4", "", false },
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    { "audio/mp4", "", false },
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    { "audio/mpeg", "", false },
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    { "audio/mpeg", "", false },
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    { "audio/ogg", "", false },
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    { "audio/ogg", "", false },
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    { "audio/wav", "", false },
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    { "audio/wav", "", false },
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    { "audio/webm", "", false },
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    { "audio/webm", "", false },
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    { "font/otf", "", false },
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    { "font/otf", "", false },
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    { "font/ttf", "", false },
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    { "font/ttf", "", false },
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    { "font/woff", "", false },
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    { "font/woff", "", false },
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    { "font/woff2", "", false },
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    { "font/woff2", "", false },
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    { "image/avif", "", false },
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    { "image/avif", "", false },
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    { "image/bmp", "", false },
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    { "image/bmp", "", false },
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    { "image/gif", "", false },
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    { "image/gif", "", false },
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    { "image/jpeg", "", false },
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    { "image/jpeg", "", false },
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    { "image/png", "", false },
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    { "image/png", "", false },
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    { "image/svg+xml", "UTF-8", true },
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    { "image/svg+xml", "UTF-8", true },
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    { "image/tiff", "", false },
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    { "image/tiff", "", false },
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    { "image/webp", "", false },
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    { "image/webp", "", false },
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    { "image/x-icon", "", false },
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    { "image/x-icon", "", false },
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    { "text/cache-manifest", "UTF-8", true },
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    { "text/cache-manifest", "UTF-8", true },
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    { "text/calendar", "UTF-8", true },
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    { "text/calendar", "UTF-8", true },
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    { "text/css", "UTF-8", true },
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    { "text/css", "UTF-8", true },
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    { "text/csv", "UTF-8", true },
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    { "text/csv", "UTF-8", true },
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    { "text/html", "UTF-8", true },
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    { "text/html", "UTF-8", true },
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    { "text/javascript", "UTF-8", true },
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    { "text/javascript", "UTF-8", true },
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    { "text/markdown", "UTF-8", true },
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    { "text/markdown", "UTF-8", true },
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    { "text/plain", "UTF-8", true },
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    { "text/plain", "UTF-8", true },
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    { "text/xml", "UTF-8", true },
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    { "text/xml", "UTF-8", true },
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    { "video/mp4", "", false },
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    { "video/mp4", "", false },
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    { "video/mpeg", "", false },
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    { "video/mpeg", "", false },
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    { "video/ogg", "", false },
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    { "video/ogg", "", false },
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    { "video/webm", "", false },
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    { "video/webm", "", false },
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};
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};
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constexpr std::size_t db_size = sizeof( db ) / sizeof( db[0] );
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constexpr std::size_t db_size = sizeof( db ) / sizeof( db[0] );
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// Case-insensitive comparison
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// Case-insensitive comparison
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int
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int
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compare_icase( core::string_view a, core::string_view b ) noexcept
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compare_icase( core::string_view a, core::string_view b ) noexcept
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{
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{
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    auto const n = ( std::min )( a.size(), b.size() );
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    auto const n = ( std::min )( a.size(), b.size() );
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    for( std::size_t i = 0; i < n; ++i )
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    for( std::size_t i = 0; i < n; ++i )
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    {
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    {
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        auto const ca = static_cast<unsigned char>(
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        auto const ca = static_cast<unsigned char>(
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            std::tolower( static_cast<unsigned char>( a[i] ) ) );
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            std::tolower( static_cast<unsigned char>( a[i] ) ) );
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        auto const cb = static_cast<unsigned char>(
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        auto const cb = static_cast<unsigned char>(
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            std::tolower( static_cast<unsigned char>( b[i] ) ) );
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            std::tolower( static_cast<unsigned char>( b[i] ) ) );
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        if( ca < cb )
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        if( ca < cb )
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            return -1;
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            return -1;
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        if( ca > cb )
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        if( ca > cb )
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            return 1;
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            return 1;
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    }
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    }
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    if( a.size() < b.size() )
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    if( a.size() < b.size() )
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        return -1;
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        return -1;
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    if( a.size() > b.size() )
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    if( a.size() > b.size() )
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        return 1;
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        return 1;
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    return 0;
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    return 0;
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}
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}
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} // (anon)
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} // (anon)
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mime_type_entry const*
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mime_type_entry const*
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lookup( core::string_view type ) noexcept
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lookup( core::string_view type ) noexcept
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{
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{
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    // Binary search
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    // Binary search
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    std::size_t lo = 0;
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    std::size_t lo = 0;
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    std::size_t hi = db_size;
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    std::size_t hi = db_size;
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    while( lo < hi )
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    while( lo < hi )
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    {
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    {
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        auto const mid = lo + ( hi - lo ) / 2;
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        auto const mid = lo + ( hi - lo ) / 2;
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        auto const cmp = compare_icase( db[mid].type, type );
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        auto const cmp = compare_icase( db[mid].type, type );
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        if( cmp < 0 )
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        if( cmp < 0 )
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            lo = mid + 1;
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            lo = mid + 1;
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        else if( cmp > 0 )
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        else if( cmp > 0 )
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            hi = mid;
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            hi = mid;
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        else
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        else
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            return &db[mid];
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            return &db[mid];
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    }
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    }
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    return nullptr;
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    return nullptr;
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}
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}
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} // mime_db
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} // mime_db
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} // http
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} // http
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} // boost
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} // boost