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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "net/base/net_util.h"
#include "base/string_util.h"
#include "googleurl/src/gurl.h"
#include "net/base/escape.h"
namespace net {
bool FileURLToFilePath(const GURL& url, std::wstring* file_path) {
file_path->clear();
if (!url.is_valid())
return false;
// Firefox seems to ignore the "host" of a file url if there is one. That is,
// file://foo/bar.txt maps to /bar.txt.
std::string path = url.path();
if (path.empty())
return false;
// GURL stores strings as percent-encoded 8-bit, this will undo if possible.
path = UnescapeURLComponent(path,
UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS);
// Collapse multiple path slashes into a single path slash.
std::string new_path;
do {
new_path = path;
ReplaceSubstringsAfterOffset(&new_path, 0, "//", "/");
path.swap(new_path);
} while (new_path != path);
// TODO(tc): This should actually be 8-bit to wide. We may lose data if the
// string isn't UTF-8.
file_path->assign(UTF8ToWide(path));
return !file_path->empty();
}
} // namespace net
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