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-rw-r--r--src/3rdparty/assimp/code/BlobIOSystem.h337
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diff --git a/src/3rdparty/assimp/code/BlobIOSystem.h b/src/3rdparty/assimp/code/BlobIOSystem.h
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--- a/src/3rdparty/assimp/code/BlobIOSystem.h
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-/*
----------------------------------------------------------------------------
-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