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Diffstat (limited to 'src/3rdparty/assimp/code/BlobIOSystem.h')
-rw-r--r-- | src/3rdparty/assimp/code/BlobIOSystem.h | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/3rdparty/assimp/code/BlobIOSystem.h b/src/3rdparty/assimp/code/BlobIOSystem.h deleted file mode 100644 index f406ea0fe..000000000 --- a/src/3rdparty/assimp/code/BlobIOSystem.h +++ /dev/null @@ -1,337 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (assimp) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2017, 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 Provides cheat implementations for IOSystem and IOStream to - * redirect exporter output to a blob chain.*/ - -#ifndef AI_BLOBIOSYSTEM_H_INCLUDED -#define AI_BLOBIOSYSTEM_H_INCLUDED - -#include <assimp/IOStream.hpp> -#include <assimp/cexport.h> -#include <assimp/IOSystem.hpp> -#include <assimp/DefaultLogger.hpp> -#include <stdint.h> -#include <set> -#include <vector> - -namespace Assimp { - class BlobIOSystem; - -// -------------------------------------------------------------------------------------------- -/** Redirect IOStream to a blob */ -// -------------------------------------------------------------------------------------------- -class BlobIOStream : public IOStream -{ -public: - - BlobIOStream(BlobIOSystem* creator, const std::string& file, size_t initial = 4096) - : buffer() - , cur_size() - , file_size() - , cursor() - , initial(initial) - , file(file) - , creator(creator) - { - } - - - virtual ~BlobIOStream(); - -public: - - // ------------------------------------------------------------------- - aiExportDataBlob* GetBlob() - { - aiExportDataBlob* blob = new aiExportDataBlob(); - blob->size = file_size; - blob->data = buffer; - - buffer = NULL; - - return blob; - } - - -public: - - - // ------------------------------------------------------------------- - virtual size_t Read( void *, - size_t, - size_t ) - { - return 0; - } - - // ------------------------------------------------------------------- - virtual size_t Write(const void* pvBuffer, - size_t pSize, - size_t pCount) - { - pSize *= pCount; - if (cursor + pSize > cur_size) { - Grow(cursor + pSize); - } - - memcpy(buffer+cursor, pvBuffer, pSize); - cursor += pSize; - - file_size = std::max(file_size,cursor); - return pCount; - } - - // ------------------------------------------------------------------- - virtual aiReturn Seek(size_t pOffset, - aiOrigin pOrigin) - { - switch(pOrigin) - { - case aiOrigin_CUR: - cursor += pOffset; - break; - - case aiOrigin_END: - cursor = file_size - pOffset; - break; - - case aiOrigin_SET: - cursor = pOffset; - break; - - default: - return AI_FAILURE; - } - - if (cursor > file_size) { - Grow(cursor); - } - - file_size = std::max(cursor,file_size); - return AI_SUCCESS; - } - - // ------------------------------------------------------------------- - virtual size_t Tell() const - { - return cursor; - } - - // ------------------------------------------------------------------- - virtual size_t FileSize() const - { - return file_size; - } - - // ------------------------------------------------------------------- - virtual void Flush() - { - // ignore - } - - - -private: - - // ------------------------------------------------------------------- - void Grow(size_t need = 0) - { - // 1.5 and phi are very heap-friendly growth factors (the first - // allows for frequent re-use of heap blocks, the second - // forms a fibonacci sequence with similar characteristics - - // since this heavily depends on the heap implementation - // and other factors as well, i'll just go with 1.5 since - // it is quicker to compute). - size_t new_size = std::max(initial, std::max( need, cur_size+(cur_size>>1) )); - - const uint8_t* const old = buffer; - buffer = new uint8_t[new_size]; - - if (old) { - memcpy(buffer,old,cur_size); - delete[] old; - } - - cur_size = new_size; - } - -private: - - uint8_t* buffer; - size_t cur_size,file_size, cursor, initial; - - const std::string file; - BlobIOSystem* const creator; -}; - - -#define AI_BLOBIO_MAGIC "$blobfile" - -// -------------------------------------------------------------------------------------------- -/** Redirect IOSystem to a blob */ -// -------------------------------------------------------------------------------------------- -class BlobIOSystem : public IOSystem -{ - - friend class BlobIOStream; - typedef std::pair<std::string, aiExportDataBlob*> BlobEntry; - -public: - - BlobIOSystem() - { - } - - virtual ~BlobIOSystem() - { - for(BlobEntry& blobby : blobs) { - delete blobby.second; - } - } - -public: - - // ------------------------------------------------------------------- - const char* GetMagicFileName() const - { - return AI_BLOBIO_MAGIC; - } - - - // ------------------------------------------------------------------- - aiExportDataBlob* GetBlobChain() - { - // one must be the master - aiExportDataBlob* master = NULL, *cur; - for(const BlobEntry& blobby : blobs) { - if (blobby.first == AI_BLOBIO_MAGIC) { - master = blobby.second; - break; - } - } - if (!master) { - DefaultLogger::get()->error("BlobIOSystem: no data written or master file was not closed properly."); - return NULL; - } - - master->name.Set(""); - - cur = master; - for(const BlobEntry& blobby : blobs) { - if (blobby.second == master) { - continue; - } - - cur->next = blobby.second; - cur = cur->next; - - // extract the file extension from the file written - const std::string::size_type s = blobby.first.find_first_of('.'); - cur->name.Set(s == std::string::npos ? blobby.first : blobby.first.substr(s+1)); - } - - // give up blob ownership - blobs.clear(); - return master; - } - -public: - - // ------------------------------------------------------------------- - virtual bool Exists( const char* pFile) const { - return created.find(std::string(pFile)) != created.end(); - } - - - // ------------------------------------------------------------------- - virtual char getOsSeparator() const { - return '/'; - } - - - // ------------------------------------------------------------------- - virtual IOStream* Open(const char* pFile, - const char* pMode) - { - if (pMode[0] != 'w') { - return NULL; - } - - created.insert(std::string(pFile)); - return new BlobIOStream(this,std::string(pFile)); - } - - // ------------------------------------------------------------------- - virtual void Close( IOStream* pFile) - { - delete pFile; - } - -private: - - // ------------------------------------------------------------------- - void OnDestruct(const std::string& filename, BlobIOStream* child) - { - // we don't know in which the files are closed, so we - // can't reliably say that the first must be the master - // file ... - blobs.push_back( BlobEntry(filename,child->GetBlob()) ); - } - -private: - std::set<std::string> created; - std::vector< BlobEntry > blobs; -}; - - -// -------------------------------------------------------------------------------------------- -BlobIOStream :: ~BlobIOStream() -{ - creator->OnDestruct(file,this); - delete[] buffer; -} - - -} // end Assimp - -#endif |