third_party/xdg_shared_mime_info/mime_cache.cc.tmpl

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/xdg_shared_mime_info/mime_cache.h"

#include "base/containers/fixed_flat_map.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"

// File generated by //third_party/xdg_mime_shared_info/generate.py.
namespace xdg_shared_mime_info {


bool GetMimeCacheTypeFromExtension(const std::string& ext,
                                   std::string* result) {
  static constexpr auto kMap = base::MakeFixedFlatMap<base::StringPiece,
                                                      base::StringPiece>({
{% for mime_type in mime_types %}
      {"{{mime_type.ext}}", "{{mime_type.mime}}"},
{% endfor %}
  });

  // If first match fails, try matching lower case.
  auto it = kMap.find(ext);
  if (it != kMap.end()) {
    *result = std::string(it->second);
    return true;
  }
  it = kMap.find(base::ToLowerASCII(ext));
  if (it != kMap.end()) {
    *result = std::string(it->second);
    return true;
  }
  return false;
}

}  // namespace xdg_shared_mime_info