Remove //net (except for Android test stuff) and sdch

net/base/filename_util.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/base/filename_util.h"
-
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/path_service.h"
-#include "base/strings/string_util.h"
-#include "base/strings/sys_string_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/threading/thread_restrictions.h"
-#include "net/base/escape.h"
-#include "net/base/filename_util_internal.h"
-#include "net/base/mime_util.h"
-#include "net/base/net_string_util.h"
-#include "net/http/http_content_disposition.h"
-#include "url/gurl.h"
-
-namespace net {
-
-// Prefix to prepend to get a file URL.
-static const base::FilePath::CharType kFileURLPrefix[] =
-    FILE_PATH_LITERAL("file:///");
-
-GURL FilePathToFileURL(const base::FilePath& path) {
-  // Produce a URL like "file:///C:/foo" for a regular file, or
-  // "file://///server/path" for UNC. The URL canonicalizer will fix up the
-  // latter case to be the canonical UNC form: "file://server/path"
-  base::FilePath::StringType url_string(kFileURLPrefix);
-  if (!path.IsAbsolute()) {
-    base::FilePath current_dir;
-    PathService::Get(base::DIR_CURRENT, &current_dir);
-    url_string.append(current_dir.value());
-    url_string.push_back(base::FilePath::kSeparators[0]);
-  }
-  url_string.append(path.value());
-
-  // Now do replacement of some characters. Since we assume the input is a
-  // literal filename, anything the URL parser might consider special should
-  // be escaped here.
-
-  // must be the first substitution since others will introduce percents as the
-  // escape character
-  ReplaceSubstringsAfterOffset(
-      &url_string, 0, FILE_PATH_LITERAL("%"), FILE_PATH_LITERAL("%25"));
-
-  // semicolon is supposed to be some kind of separator according to RFC 2396
-  ReplaceSubstringsAfterOffset(
-      &url_string, 0, FILE_PATH_LITERAL(";"), FILE_PATH_LITERAL("%3B"));
-
-  ReplaceSubstringsAfterOffset(
-      &url_string, 0, FILE_PATH_LITERAL("#"), FILE_PATH_LITERAL("%23"));
-
-  ReplaceSubstringsAfterOffset(
-      &url_string, 0, FILE_PATH_LITERAL("?"), FILE_PATH_LITERAL("%3F"));
-
-#if defined(OS_POSIX)
-  ReplaceSubstringsAfterOffset(
-      &url_string, 0, FILE_PATH_LITERAL("\\"), FILE_PATH_LITERAL("%5C"));
-#endif
-
-  return GURL(url_string);
-}
-
-bool FileURLToFilePath(const GURL& url, base::FilePath* file_path) {
-  *file_path = base::FilePath();
-  base::FilePath::StringType& file_path_str =
-      const_cast<base::FilePath::StringType&>(file_path->value());
-  file_path_str.clear();
-
-  if (!url.is_valid())
-    return false;
-
-#if defined(OS_WIN)
-  std::string path;
-  std::string host = url.host();
-  if (host.empty()) {
-    // URL contains no host, the path is the filename. In this case, the path
-    // will probably be preceeded with a slash, as in "/C:/foo.txt", so we
-    // trim out that here.
-    path = url.path();
-    size_t first_non_slash = path.find_first_not_of("/\\");
-    if (first_non_slash != std::string::npos && first_non_slash > 0)
-      path.erase(0, first_non_slash);
-  } else {
-    // URL contains a host: this means it's UNC. We keep the preceeding slash
-    // on the path.
-    path = "\\\\";
-    path.append(host);
-    path.append(url.path());
-  }
-  std::replace(path.begin(), path.end(), '/', '\\');
-#else  // defined(OS_WIN)
-  // Firefox seems to ignore the "host" of a file url if there is one. That is,
-  // file://foo/bar.txt maps to /bar.txt.
-  // TODO(dhg): This should probably take into account UNCs which could
-  // include a hostname other than localhost or blank
-  std::string path = url.path();
-#endif  // !defined(OS_WIN)
-
-  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);
-
-#if defined(OS_WIN)
-  if (base::IsStringUTF8(path)) {
-    file_path_str.assign(base::UTF8ToWide(path));
-    // We used to try too hard and see if |path| made up entirely of
-    // the 1st 256 characters in the Unicode was a zero-extended UTF-16.
-    // If so, we converted it to 'Latin-1' and checked if the result was UTF-8.
-    // If the check passed, we converted the result to UTF-8.
-    // Otherwise, we treated the result as the native OS encoding.
-    // However, that led to http://crbug.com/4619 and http://crbug.com/14153
-  } else {
-    // Not UTF-8, assume encoding is native codepage and we're done. We know we
-    // are giving the conversion function a nonempty string, and it may fail if
-    // the given string is not in the current encoding and give us an empty
-    // string back. We detect this and report failure.
-    file_path_str = base::SysNativeMBToWide(path);
-  }
-#else  // defined(OS_WIN)
-  // 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);
-
-  file_path_str.assign(path);
-#endif  // !defined(OS_WIN)
-
-  return !file_path_str.empty();
-}
-
-void GenerateSafeFileName(const std::string& mime_type,
-                          bool ignore_extension,
-                          base::FilePath* file_path) {
-  // Make sure we get the right file extension
-  EnsureSafeExtension(mime_type, ignore_extension, file_path);
-
-#if defined(OS_WIN)
-  // Prepend "_" to the file name if it's a reserved name
-  base::FilePath::StringType leaf_name = file_path->BaseName().value();
-  DCHECK(!leaf_name.empty());
-  if (IsReservedName(leaf_name)) {
-    leaf_name = base::FilePath::StringType(FILE_PATH_LITERAL("_")) + leaf_name;
-    *file_path = file_path->DirName();
-    if (file_path->value() == base::FilePath::kCurrentDirectory) {
-      *file_path = base::FilePath(leaf_name);
-    } else {
-      *file_path = file_path->Append(leaf_name);
-    }
-  }
-#endif
-}
-
-}  // namespace net