0ad/source/ps/Filesystem.cpp
janwas 8a52113e60 huge cleanup and conversion of most string handling (especially paths) to unicode
please note: format strings must be %hs for char* arguments and %ls for
wchar_t*

This was SVN commit r7161.
2009-11-03 21:46:35 +00:00

84 lines
1.9 KiB
C++

/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "Filesystem.h"
#include "ps/CLogger.h"
#define LOG_CATEGORY L"file"
PIVFS g_VFS;
bool FileExists(const VfsPath& pathname)
{
return g_VFS->GetFileInfo(pathname, 0) == INFO::OK;
}
CVFSFile::CVFSFile()
{
}
CVFSFile::~CVFSFile()
{
}
PSRETURN CVFSFile::Load(const VfsPath& filename)
{
// Load should never be called more than once, so complain
if (m_Buffer)
{
debug_assert(0);
return PSRETURN_CVFSFile_AlreadyLoaded;
}
LibError ret = g_VFS->LoadFile(filename, m_Buffer, m_BufferSize);
if (ret != INFO::OK)
{
LOG(CLogger::Error, LOG_CATEGORY, L"CVFSFile: file %ls couldn't be opened (vfs_load: %ld)", filename.string().c_str(), ret);
return PSRETURN_CVFSFile_LoadFailed;
}
return PSRETURN_OK;
}
const u8* CVFSFile::GetBuffer() const
{
// Die in a very obvious way, to avoid subtle problems caused by
// accidentally forgetting to check that the open succeeded
if (!m_Buffer)
{
debug_warn(L"GetBuffer() called with no file loaded");
throw PSERROR_CVFSFile_InvalidBufferAccess();
}
return m_Buffer.get();
}
size_t CVFSFile::GetBufferSize() const
{
return m_BufferSize;
}
CStr CVFSFile::GetAsString() const
{
return std::string((char*)GetBuffer(), GetBufferSize());
}