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// Copyright (c) 2011 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 "base/base_paths_win.h"
#include <windows.h>
#include <shlobj.h>
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/win/windows_version.h"
// http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx
extern "C" IMAGE_DOS_HEADER __ImageBase;
namespace base {
bool PathProviderWin(int key, FilePath* result) {
// We need to go compute the value. It would be nice to support paths with
// names longer than MAX_PATH, but the system functions don't seem to be
// designed for it either, with the exception of GetTempPath (but other
// things will surely break if the temp path is too long, so we don't bother
// handling it.
wchar_t system_buffer[MAX_PATH];
system_buffer[0] = 0;
FilePath cur;
switch (key) {
case base::FILE_EXE:
GetModuleFileName(NULL, system_buffer, MAX_PATH);
cur = FilePath(system_buffer);
break;
case base::FILE_MODULE: {
// the resource containing module is assumed to be the one that
// this code lives in, whether that's a dll or exe
HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase);
GetModuleFileName(this_module, system_buffer, MAX_PATH);
cur = FilePath(system_buffer);
break;
}
case base::DIR_WINDOWS:
GetWindowsDirectory(system_buffer, MAX_PATH);
cur = FilePath(system_buffer);
break;
case base::DIR_SYSTEM:
GetSystemDirectory(system_buffer, MAX_PATH);
cur = FilePath(system_buffer);
break;
case base::DIR_PROGRAM_FILESX86:
if (base::win::OSInfo::GetInstance()->architecture() !=
base::win::OSInfo::X86_ARCHITECTURE) {
if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILESX86, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
}
// Fall through to base::DIR_PROGRAM_FILES if we're on an X86 machine.
case base::DIR_PROGRAM_FILES:
if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_IE_INTERNET_CACHE:
if (FAILED(SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_COMMON_START_MENU:
if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_PROGRAMS, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_START_MENU:
if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAMS, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_APP_DATA:
if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_PROFILE:
if (FAILED(SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, SHGFP_TYPE_CURRENT,
system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_LOCAL_APP_DATA_LOW:
if (win::GetVersion() < win::VERSION_VISTA) {
return false;
}
// TODO(nsylvain): We should use SHGetKnownFolderPath instead. Bug 1281128
if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
system_buffer)))
return false;
cur = FilePath(system_buffer).DirName().AppendASCII("LocalLow");
break;
case base::DIR_LOCAL_APP_DATA:
if (FAILED(SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL,
SHGFP_TYPE_CURRENT, system_buffer)))
return false;
cur = FilePath(system_buffer);
break;
case base::DIR_SOURCE_ROOT: {
FilePath executableDir;
// On Windows, unit tests execute two levels deep from the source root.
// For example: chrome/{Debug|Release}/ui_tests.exe
PathService::Get(base::DIR_EXE, &executableDir);
cur = executableDir.DirName().DirName();
FilePath checkedPath =
cur.Append(FILE_PATH_LITERAL("base/base_paths_win.cc"));
if (!file_util::PathExists(checkedPath)) {
// Check for WebKit-only checkout. Executable files are put into
// WebKit/WebKit/chromium/{Debug|Relese}, and we should return
// WebKit/WebKit/chromium.
cur = executableDir.DirName();
}
break;
}
default:
return false;
}
*result = cur;
return true;
}
} // namespace base
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