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/*
* libjingle
* Copyright 2004--2006, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <errno.h>
#include <cassert>
#include "talk/base/basicdefs.h"
#include "talk/base/convert.h"
#include "talk/base/pathutils.h"
#include "talk/base/fileutils.h"
#include "talk/base/stringutils.h"
#include "talk/base/stream.h"
#include "talk/base/win32filesystem.h"
namespace talk_base {
bool Win32Filesystem::CreateFolderI(const Pathname &pathname) {
int len = pathname.pathname().length();
if ((len <= 0) || (pathname.pathname().c_str()[len-1] != '\\')) {
return false;
}
DWORD res = ::GetFileAttributes(Utf16(pathname.pathname()).AsWz());
if (res != INVALID_FILE_ATTRIBUTES) {
// Something exists at this location, check if it is a directory
return ((res & FILE_ATTRIBUTE_DIRECTORY) != 0);
} else if ((GetLastError() != ERROR_FILE_NOT_FOUND)
&& (GetLastError() != ERROR_PATH_NOT_FOUND)) {
// Unexpected error
return false;
}
// Directory doesn't exist, look up one directory level
do {
--len;
} while ((len > 0) && (pathname.pathname().c_str()[len-1] != '\\'));
if (!CreateFolder(std::string(pathname.pathname().c_str(),len)))
return false;
if (pathname.pathname().c_str()[0] != '\\') {
std::string long_path = std::string("\\\\?\\") + pathname.pathname();
return (::CreateDirectory(Utf16(long_path).AsWz(), NULL) != 0);
} else {
return (::CreateDirectory(Utf16(pathname.pathname()).AsWz(), NULL) != 0);
}
}
FileStream *Win32Filesystem::OpenFileI(const Pathname &filename,
const std::string &mode) {
talk_base::FileStream *fs = new talk_base::FileStream();
if (fs)
fs->Open(filename.pathname().c_str(), mode.c_str());
return fs;
}
bool Win32Filesystem::DeleteFileI(const Pathname &filename) {
LOG(LS_INFO) << "Deleting " << filename.pathname();
if (IsFolder(filename)) {
Pathname dir;
dir.SetFolder(filename.pathname());
DirectoryIterator di;
di.Iterate(dir.pathname());
while(di.Next()) {
if (di.Name() == "." || di.Name() == "..")
continue;
Pathname subdir;
subdir.SetFolder(filename.pathname());
subdir.SetFilename(di.Name());
if (!DeleteFile(subdir.pathname()))
return false;
}
std::string no_slash(filename.pathname(), 0, filename.pathname().length()-1);
return ::RemoveDirectory(Utf16(no_slash).AsWz()) == 0;
}
return ::DeleteFile(Utf16(filename.pathname()).AsWz()) == 0;
}
bool Win32Filesystem::GetTemporaryFolderI(Pathname &pathname, bool create,
const std::string *append) {
ASSERT(!g_application_name_.empty());
wchar_t buffer[MAX_PATH + 1];
if (!::GetTempPath(ARRAY_SIZE(buffer), buffer))
return false;
if (!::GetLongPathName(buffer, buffer, ARRAY_SIZE(buffer)))
return false;
size_t len = strlen(buffer);
if ((len > 0) && (buffer[len-1] != '\\')) {
len += talk_base::strcpyn(buffer + len, ARRAY_SIZE(buffer) - len,
L"\\");
}
if ((len > 0) && (buffer[len-1] != '\\')) {
len += talk_base::strcpyn(buffer + len, ARRAY_SIZE(buffer) - len,
L"\\");
}
if (len >= ARRAY_SIZE(buffer) - 1)
return false;
pathname.clear();
pathname.SetFolder(Utf8(buffer).AsSz());
if (append != NULL)
pathname.AppendFolder(*append);
if (create)
CreateFolderI(pathname);
return true;
}
std::string Win32Filesystem::TempFilenameI(const Pathname &dir, const std::string &prefix) {
wchar_t filename[MAX_PATH];
if (::GetTempFileName(Utf16(dir.pathname()).AsWz(), Utf16(prefix).AsWz(), 0, filename) == 0)
return Utf8(filename).AsString();
return "";
}
bool Win32Filesystem::MoveFileI(const Pathname &old_path, const Pathname &new_path)
{
LOG(LS_INFO) << "Moving " << old_path.pathname() << " to " << new_path.pathname();
if (_wrename(Utf16(old_path.pathname()).AsWz(), Utf16(new_path.pathname()).AsWz()) != 0) {
if (errno != EXDEV) {
printf("errno: %d\n", errno);
return false;
}
if (!CopyFile(old_path, new_path))
return false;
if (!DeleteFile(old_path))
return false;
}
return true;
}
bool Win32Filesystem::IsFolderI(const Pathname &path)
{
WIN32_FILE_ATTRIBUTE_DATA data = {0};
if (0 == ::GetFileAttributesEx(Utf16(path.pathname()).AsWz(), GetFileExInfoStandard, &data))
return false;
return (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY;
}
bool Win32Filesystem::FileExistsI(const Pathname &path)
{
DWORD res = ::GetFileAttributes(Utf16(path.pathname()).AsWz());
return res != INVALID_FILE_ATTRIBUTES;
}
bool Win32Filesystem::CopyFileI(const Pathname &old_path, const Pathname &new_path)
{
return ::CopyFile(Utf16(old_path.pathname()).AsWz(), Utf16(new_path.pathname()).AsWz(), TRUE) == 0;
}
bool Win32Filesystem::IsTemporaryPathI(const Pathname& pathname)
{
TCHAR buffer[MAX_PATH + 1];
if (!::GetTempPath(ARRAY_SIZE(buffer), buffer))
return false;
if (!::GetLongPathName(buffer, buffer, ARRAY_SIZE(buffer)))
return false;
return (::strnicmp(Utf16(pathname.pathname()).AsWz(), buffer, strlen(buffer)) == 0);
}
bool Win32Filesystem::GetFileSizeI(const Pathname &pathname, size_t *size)
{
WIN32_FILE_ATTRIBUTE_DATA data = {0};
if (::GetFileAttributesEx(Utf16(pathname.pathname()).AsWz(), GetFileExInfoStandard, &data) == 0)
return false;
*size = data.nFileSizeLow;
return true;
}
}
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