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Diffstat (limited to 'thirdparty/assimp/code/Common/DefaultIOSystem.cpp')
| -rw-r--r-- | thirdparty/assimp/code/Common/DefaultIOSystem.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/thirdparty/assimp/code/Common/DefaultIOSystem.cpp b/thirdparty/assimp/code/Common/DefaultIOSystem.cpp new file mode 100644 index 0000000000..d40b67de32 --- /dev/null +++ b/thirdparty/assimp/code/Common/DefaultIOSystem.cpp @@ -0,0 +1,257 @@ +/* +--------------------------------------------------------------------------- +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; + +// maximum path length +// XXX http://insanecoding.blogspot.com/2007/11/pathmax-simply-isnt.html +#ifdef PATH_MAX +# define PATHLIMIT PATH_MAX +#else +# define PATHLIMIT 4096 +#endif + +// ------------------------------------------------------------------------------------------------ +// Tests for the existence of a file at the given path. +bool DefaultIOSystem::Exists( const char* pFile) const +{ +#ifdef _WIN32 + wchar_t fileName16[PATHLIMIT]; + +#ifndef WindowsStore + bool isUnicode = IsTextUnicode(pFile, static_cast<int>(strlen(pFile)), NULL) != 0; + if (isUnicode) { + + MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, pFile, -1, fileName16, PATHLIMIT); + struct __stat64 filestat; + if (0 != _wstat64(fileName16, &filestat)) { + return false; + } + } else { +#endif + FILE* file = ::fopen(pFile, "rb"); + if (!file) + return false; + + ::fclose(file); +#ifndef WindowsStore + } +#endif +#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(NULL != strFile); + ai_assert(NULL != strMode); + FILE* file; +#ifdef _WIN32 + wchar_t fileName16[PATHLIMIT]; +#ifndef WindowsStore + bool isUnicode = IsTextUnicode(strFile, static_cast<int>(strlen(strFile)), NULL) != 0; + if (isUnicode) { + MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, strFile, -1, fileName16, PATHLIMIT); + std::string mode8(strMode); + file = ::_wfopen(fileName16, std::wstring(mode8.begin(), mode8.end()).c_str()); + } else { +#endif + file = ::fopen(strFile, strMode); +#ifndef WindowsStore + } +#endif +#else + file = ::fopen(strFile, strMode); +#endif + if (nullptr == file) + return nullptr; + + return new DefaultIOStream(file, (std::string) 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 void MakeAbsolutePath (const char* in, char* _out) +{ + ai_assert(in && _out); +#if defined( _MSC_VER ) || defined( __MINGW32__ ) +#ifndef WindowsStore + bool isUnicode = IsTextUnicode(in, static_cast<int>(strlen(in)), NULL) != 0; + if (isUnicode) { + wchar_t out16[PATHLIMIT]; + wchar_t in16[PATHLIMIT]; + MultiByteToWideChar(CP_UTF8, MB_PRECOMPOSED, in, -1, out16, PATHLIMIT); + wchar_t* ret = ::_wfullpath(out16, in16, PATHLIMIT); + if (ret) { + WideCharToMultiByte(CP_UTF8, MB_PRECOMPOSED, out16, -1, _out, PATHLIMIT, nullptr, nullptr); + } + 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)); + strcpy(_out, in); + } + + } else { +#endif + char* ret = :: _fullpath(_out, in, PATHLIMIT); + 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)); + strcpy(_out, in); + } +#ifndef WindowsStore + } +#endif +#else + // use realpath + char* ret = realpath(in, _out); + 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)); + strcpy(_out,in); + } +#endif +} + +// ------------------------------------------------------------------------------------------------ +// 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; + + char temp1[PATHLIMIT]; + char temp2[PATHLIMIT]; + + MakeAbsolutePath (one, temp1); + MakeAbsolutePath (second, temp2); + + 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 != ret.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; +} + +// ------------------------------------------------------------------------------------------------ + +#undef PATHLIMIT |