10012f9d49
This reverts commit78b22393a8. It caused a regression in FBX import leading to crashes. Fixes #36908. (cherry picked from commitda1f80c1f2)
216 lines
7 KiB
C++
216 lines
7 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2019, assimp team
|
|
|
|
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* 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.
|
|
|
|
* Neither the name of the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"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 COPYRIGHT
|
|
OWNER OR CONTRIBUTORS 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.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
/** @file Default implementation of IOSystem using the standard C file functions */
|
|
|
|
#include <assimp/StringComparison.h>
|
|
|
|
#include <assimp/DefaultIOSystem.h>
|
|
#include <assimp/DefaultIOStream.h>
|
|
#include <assimp/DefaultLogger.hpp>
|
|
#include <assimp/ai_assert.h>
|
|
#include <stdlib.h>
|
|
|
|
#ifdef __unix__
|
|
#include <sys/param.h>
|
|
#include <stdlib.h>
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
using namespace Assimp;
|
|
|
|
#ifdef _WIN32
|
|
static std::wstring Utf8ToWide(const char* in)
|
|
{
|
|
int size = MultiByteToWideChar(CP_UTF8, 0, in, -1, nullptr, 0);
|
|
// size includes terminating null; std::wstring adds null automatically
|
|
std::wstring out(static_cast<size_t>(size) - 1, L'\0');
|
|
MultiByteToWideChar(CP_UTF8, 0, in, -1, &out[0], size);
|
|
return out;
|
|
}
|
|
|
|
static std::string WideToUtf8(const wchar_t* in)
|
|
{
|
|
int size = WideCharToMultiByte(CP_UTF8, 0, in, -1, nullptr, 0, nullptr, nullptr);
|
|
// size includes terminating null; std::string adds null automatically
|
|
std::string out(static_cast<size_t>(size) - 1, '\0');
|
|
WideCharToMultiByte(CP_UTF8, 0, in, -1, &out[0], size, nullptr, nullptr);
|
|
return out;
|
|
}
|
|
#endif
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Tests for the existence of a file at the given path.
|
|
bool DefaultIOSystem::Exists(const char* pFile) const
|
|
{
|
|
#ifdef _WIN32
|
|
struct __stat64 filestat;
|
|
if (_wstat64(Utf8ToWide(pFile).c_str(), &filestat) != 0) {
|
|
return false;
|
|
}
|
|
#else
|
|
FILE* file = ::fopen(pFile, "rb");
|
|
if (!file)
|
|
return false;
|
|
|
|
::fclose(file);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Open a new file with a given path.
|
|
IOStream* DefaultIOSystem::Open(const char* strFile, const char* strMode)
|
|
{
|
|
ai_assert(strFile != nullptr);
|
|
ai_assert(strMode != nullptr);
|
|
FILE* file;
|
|
#ifdef _WIN32
|
|
file = ::_wfopen(Utf8ToWide(strFile).c_str(), Utf8ToWide(strMode).c_str());
|
|
#else
|
|
file = ::fopen(strFile, strMode);
|
|
#endif
|
|
if (!file)
|
|
return nullptr;
|
|
|
|
return new DefaultIOStream(file, strFile);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Closes the given file and releases all resources associated with it.
|
|
void DefaultIOSystem::Close(IOStream* pFile)
|
|
{
|
|
delete pFile;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Returns the operation specific directory separator
|
|
char DefaultIOSystem::getOsSeparator() const
|
|
{
|
|
#ifndef _WIN32
|
|
return '/';
|
|
#else
|
|
return '\\';
|
|
#endif
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// IOSystem default implementation (ComparePaths isn't a pure virtual function)
|
|
bool IOSystem::ComparePaths(const char* one, const char* second) const
|
|
{
|
|
return !ASSIMP_stricmp(one, second);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Convert a relative path into an absolute path
|
|
inline static std::string MakeAbsolutePath(const char* in)
|
|
{
|
|
ai_assert(in);
|
|
std::string out;
|
|
#ifdef _WIN32
|
|
wchar_t* ret = ::_wfullpath(nullptr, Utf8ToWide(in).c_str(), 0);
|
|
if (ret) {
|
|
out = WideToUtf8(ret);
|
|
free(ret);
|
|
}
|
|
#else
|
|
char* ret = realpath(in, nullptr);
|
|
if (ret) {
|
|
out = ret;
|
|
free(ret);
|
|
}
|
|
#endif
|
|
if (!ret) {
|
|
// preserve the input path, maybe someone else is able to fix
|
|
// the path before it is accessed (e.g. our file system filter)
|
|
ASSIMP_LOG_WARN_F("Invalid path: ", std::string(in));
|
|
out = in;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// DefaultIOSystem's more specialized implementation
|
|
bool DefaultIOSystem::ComparePaths(const char* one, const char* second) const
|
|
{
|
|
// chances are quite good both paths are formatted identically,
|
|
// so we can hopefully return here already
|
|
if (!ASSIMP_stricmp(one, second))
|
|
return true;
|
|
|
|
std::string temp1 = MakeAbsolutePath(one);
|
|
std::string temp2 = MakeAbsolutePath(second);
|
|
|
|
return !ASSIMP_stricmp(temp1, temp2);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
std::string DefaultIOSystem::fileName(const std::string& path)
|
|
{
|
|
std::string ret = path;
|
|
std::size_t last = ret.find_last_of("\\/");
|
|
if (last != std::string::npos) ret = ret.substr(last + 1);
|
|
return ret;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
std::string DefaultIOSystem::completeBaseName(const std::string& path)
|
|
{
|
|
std::string ret = fileName(path);
|
|
std::size_t pos = ret.find_last_of('.');
|
|
if (pos != std::string::npos) ret = ret.substr(0, pos);
|
|
return ret;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
std::string DefaultIOSystem::absolutePath(const std::string& path)
|
|
{
|
|
std::string ret = path;
|
|
std::size_t last = ret.find_last_of("\\/");
|
|
if (last != std::string::npos) ret = ret.substr(0, last);
|
|
return ret;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|