dolphin/Source/Core/Common/Src/FileUtil.cpp

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// Copyright (C) 2003-2008 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "FileUtil.h"
#ifdef _WIN32
#include <windows.h>
#include <shlobj.h> // for SHGetFolderPath
#include <shellapi.h>
#include <commdlg.h> // for GetSaveFileName
#include <io.h>
#else
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#endif
namespace File
{
bool Exists(const char *filename)
{
#ifdef _WIN32
return GetFileAttributes(filename) != INVALID_FILE_ATTRIBUTES;
#else
struct stat file_info;
int result = stat(filename, &file_info);
return result == 0;
#endif
}
bool IsDirectory(const char *filename)
{
#ifdef _WIN32
return (GetFileAttributes(filename) & FILE_ATTRIBUTE_DIRECTORY) != 0;
#else
struct stat file_info;
int result = stat(filename, &file_info);
if (result == 0)
return S_ISDIR(file_info.st_mode);
else
return false;
#endif
}
bool Delete(const char *filename)
{
if (!Exists(filename))
return false;
if (IsDirectory(filename))
return false;
#ifdef _WIN32
DeleteFile(filename);
#else
unlink(filename);
#endif
return true;
}
std::string SanitizePath(const char *filename)
{
std::string copy = filename;
for (size_t i = 0; i < copy.size(); i++)
if (copy[i] == '/')
copy[i] = '\\';
return copy;
}
void Launch(const char *filename)
{
#ifdef _WIN32
std::string win_filename = SanitizePath(filename);
SHELLEXECUTEINFO shex = { sizeof(shex) };
shex.fMask = SEE_MASK_NO_CONSOLE; // | SEE_MASK_ASYNC_OK;
shex.lpVerb = "open";
shex.lpFile = win_filename.c_str();
shex.nShow = SW_SHOWNORMAL;
ShellExecuteEx(&shex);
#else
// TODO: Insert GNOME/KDE code here.
#endif
}
void Explore(const char *path)
{
#ifdef _WIN32
std::string win_path = SanitizePath(path);
SHELLEXECUTEINFO shex = { sizeof(shex) };
shex.fMask = SEE_MASK_NO_CONSOLE; // | SEE_MASK_ASYNC_OK;
shex.lpVerb = "explore";
shex.lpFile = win_path.c_str();
shex.nShow = SW_SHOWNORMAL;
ShellExecuteEx(&shex);
#else
// TODO: Insert GNOME/KDE code here.
#endif
}
// Returns true if successful, or path already exists.
bool CreateDir(const char *path)
{
#ifdef _WIN32
if (::CreateDirectory(path, NULL))
return true;
DWORD error = GetLastError();
if (error == ERROR_ALREADY_EXISTS)
{
PanicAlert("%s already exists", path);
return true;
}
PanicAlert("Error creating directory: %i", error);
return false;
#else
if (mkdir(path, 0644) == 0)
return true;
int err = errno;
if (err == EEXIST)
{
PanicAlert("%s already exists", path);
return true;
}
PanicAlert("Error creating directory: %s", strerror(err));
return false;
#endif
}
std::string GetUserDirectory()
{
#ifdef _WIN32
char path[MAX_PATH];
if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL, 0, path)))
{
return std::string(path);
}
return std::string("");
#else
char *dir = getenv("HOME");
if (!dir)
return std::string("");
return dir;
#endif
}
u64 GetSize(const char *filename)
{
FILE *f = fopen(filename, "rb");
fseek(f, 0, SEEK_END);
u64 pos = ftell(f);
fclose(f);
return pos;
}
#ifdef _WIN32
static bool ReadFoundFile(const WIN32_FIND_DATA& ffd, FSTEntry& entry)
{
// ignore files starting with a .
if(strncmp(ffd.cFileName, ".", 1) == 0)
return false;
entry.virtualName = ffd.cFileName;
if(ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
entry.isDirectory = true;
}
else
{
entry.isDirectory = false;
entry.size = ffd.nFileSizeLow;
}
return true;
}
u32 ScanDirectoryTree(const std::string& _Directory, FSTEntry& parentEntry)
{
// Find the first file in the directory.
WIN32_FIND_DATA ffd;
std::string searchName = _Directory + "\\*";
HANDLE hFind = FindFirstFile(searchName.c_str(), &ffd);
u32 foundEntries = 0;
if (hFind != INVALID_HANDLE_VALUE)
{
do
{
FSTEntry entry;
if(ReadFoundFile(ffd, entry))
{
entry.physicalName = _Directory + "\\" + entry.virtualName;
if(entry.isDirectory)
{
u32 childEntries = ScanDirectoryTree(entry.physicalName, entry);
entry.size = childEntries;
foundEntries += childEntries;
}
++foundEntries;
parentEntry.children.push_back(entry);
}
} while (FindNextFile(hFind, &ffd) != 0);
}
FindClose(hFind);
return foundEntries;
}
#else
u32 ScanDirectoryTree(const std::string& _Directory, FSTEntry& parentEntry)
{
// TODO - Insert linux stuff here
return 0;
}
#endif
} // namespace