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-rw-r--r--src/3rdparty/assimp/code/IOStreamBuffer.h350
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diff --git a/src/3rdparty/assimp/code/IOStreamBuffer.h b/src/3rdparty/assimp/code/IOStreamBuffer.h
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--- a/src/3rdparty/assimp/code/IOStreamBuffer.h
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@@ -1,350 +0,0 @@
-#pragma once
-
-/*
-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.
-
-----------------------------------------------------------------------
-*/
-
-#include <assimp/types.h>
-#include <assimp/IOStream.hpp>
-#include "ParsingUtils.h"
-
-#include <vector>
-
-namespace Assimp {
-
-// ---------------------------------------------------------------------------
-/**
- * Implementation of a cached stream buffer.
- */
-template<class T>
-class IOStreamBuffer {
-public:
- /// @brief The class constructor.
- IOStreamBuffer( size_t cache = 4096 * 4096 );
-
- /// @brief The class destructor.
- ~IOStreamBuffer();
-
- /// @brief Will open the cached access for a given stream.
- /// @param stream The stream to cache.
- /// @return true if successful.
- bool open( IOStream *stream );
-
- /// @brief Will close the cached access.
- /// @return true if successful.
- bool close();
-
- /// @brief Returns the file-size.
- /// @return The file-size.
- size_t size() const;
-
- /// @brief Returns the cache size.
- /// @return The cache size.
- size_t cacheSize() const;
-
- /// @brief Will read the next block.
- /// @return true if successful.
- bool readNextBlock();
-
- /// @brief Returns the number of blocks to read.
- /// @return The number of blocks.
- size_t getNumBlocks() const;
-
- /// @brief Returns the current block index.
- /// @return The current block index.
- size_t getCurrentBlockIndex() const;
-
- /// @brief Returns the current file pos.
- /// @return The current file pos.
- size_t getFilePos() const;
-
- /// @brief Will read the next line.
- /// @param buffer The buffer for the next line.
- /// @return true if successful.
- bool getNextDataLine( std::vector<T> &buffer, T continuationToken );
-
- /// @brief Will read the next line ascii or binary end line char.
- /// @param buffer The buffer for the next line.
- /// @return true if successful.
- bool getNextLine(std::vector<T> &buffer);
-
- /// @brief Will read the next block.
- /// @param buffer The buffer for the next block.
- /// @return true if successful.
- bool getNextBlock( std::vector<T> &buffer );
-
-private:
- IOStream *m_stream;
- size_t m_filesize;
- size_t m_cacheSize;
- size_t m_numBlocks;
- size_t m_blockIdx;
- std::vector<T> m_cache;
- size_t m_cachePos;
- size_t m_filePos;
-};
-
-template<class T>
-inline
-IOStreamBuffer<T>::IOStreamBuffer( size_t cache )
-: m_stream( nullptr )
-, m_filesize( 0 )
-, m_cacheSize( cache )
-, m_numBlocks( 0 )
-, m_blockIdx( 0 )
-, m_cachePos( 0 )
-, m_filePos( 0 ) {
- m_cache.resize( cache );
- std::fill( m_cache.begin(), m_cache.end(), '\n' );
-}
-
-template<class T>
-inline
-IOStreamBuffer<T>::~IOStreamBuffer() {
- // empty
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::open( IOStream *stream ) {
- // file still opened!
- if ( nullptr != m_stream ) {
- return false;
- }
-
- // Invalid stream pointer
- if ( nullptr == stream ) {
- return false;
- }
-
- m_stream = stream;
- m_filesize = m_stream->FileSize();
- if ( m_filesize == 0 ) {
- return false;
- }
- if ( m_filesize < m_cacheSize ) {
- m_cacheSize = m_filesize;
- }
-
- m_numBlocks = m_filesize / m_cacheSize;
- if ( ( m_filesize % m_cacheSize ) > 0 ) {
- m_numBlocks++;
- }
-
- return true;
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::close() {
- if ( nullptr == m_stream ) {
- return false;
- }
-
- // init counters and state vars
- m_stream = nullptr;
- m_filesize = 0;
- m_numBlocks = 0;
- m_blockIdx = 0;
- m_cachePos = 0;
- m_filePos = 0;
-
- return true;
-}
-
-template<class T>
-inline
-size_t IOStreamBuffer<T>::size() const {
- return m_filesize;
-}
-
-template<class T>
-inline
-size_t IOStreamBuffer<T>::cacheSize() const {
- return m_cacheSize;
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::readNextBlock() {
- m_stream->Seek( m_filePos, aiOrigin_SET );
- size_t readLen = m_stream->Read( &m_cache[ 0 ], sizeof( T ), m_cacheSize );
- if ( readLen == 0 ) {
- return false;
- }
- if ( readLen < m_cacheSize ) {
- m_cacheSize = readLen;
- }
- m_filePos += m_cacheSize;
- m_cachePos = 0;
- m_blockIdx++;
-
- return true;
-}
-
-template<class T>
-inline
-size_t IOStreamBuffer<T>::getNumBlocks() const {
- return m_numBlocks;
-}
-
-template<class T>
-inline
-size_t IOStreamBuffer<T>::getCurrentBlockIndex() const {
- return m_blockIdx;
-}
-
-template<class T>
-inline
-size_t IOStreamBuffer<T>::getFilePos() const {
- return m_filePos;
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::getNextDataLine( std::vector<T> &buffer, T continuationToken ) {
- buffer.resize( m_cacheSize );
- if ( m_cachePos == m_cacheSize || 0 == m_filePos ) {
- if ( !readNextBlock() ) {
- return false;
- }
- }
-
- bool continuationFound( false ), endOfDataLine( false );
- size_t i = 0;
- while ( !endOfDataLine ) {
- if ( continuationToken == m_cache[ m_cachePos ] ) {
- continuationFound = true;
- ++m_cachePos;
- }
- if ( IsLineEnd( m_cache[ m_cachePos ] ) ) {
- if ( !continuationFound ) {
- // the end of the data line
- break;
- } else {
- // skip line end
- while ( m_cache[m_cachePos] != '\n') {
- ++m_cachePos;
- }
- ++m_cachePos;
- continuationFound = false;
- }
- }
-
- buffer[ i ] = m_cache[ m_cachePos ];
- m_cachePos++;
- i++;
- if ( m_cachePos >= m_cacheSize ) {
- if ( !readNextBlock() ) {
- return false;
- }
- }
- }
-
- buffer[ i ] = '\n';
- m_cachePos++;
-
- return true;
-}
-
-static
-inline
-bool isEndOfCache( size_t pos, size_t cacheSize ) {
- return ( pos == cacheSize );
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::getNextLine(std::vector<T> &buffer) {
- buffer.resize(m_cacheSize);
- if ( isEndOfCache( m_cachePos, m_cacheSize ) || 0 == m_filePos) {
- if (!readNextBlock()) {
- return false;
- }
- }
-
- if (IsLineEnd(m_cache[m_cachePos])) {
- // skip line end
- while (m_cache[m_cachePos] != '\n') {
- ++m_cachePos;
- }
- ++m_cachePos;
- if ( isEndOfCache( m_cachePos, m_cacheSize ) ) {
- if ( !readNextBlock() ) {
- return false;
- }
- }
- }
-
- size_t i = 0;
- while (!IsLineEnd(m_cache[ m_cachePos ])) {
- buffer[i] = m_cache[ m_cachePos ];
- m_cachePos++;
- i++;
- if (m_cachePos >= m_cacheSize) {
- if (!readNextBlock()) {
- return false;
- }
- }
- }
- buffer[i] = '\n';
- m_cachePos++;
-
- return true;
-}
-
-template<class T>
-inline
-bool IOStreamBuffer<T>::getNextBlock( std::vector<T> &buffer) {
- //just return the last blockvalue if getNextLine was used before
- if ( m_cachePos != 0) {
- buffer = std::vector<T>(m_cache.begin() + m_cachePos, m_cache.end());
- m_cachePos = 0;
- }
- else {
- if ( !readNextBlock() )
- return false;
-
- buffer = std::vector<T>(m_cache.begin(), m_cache.end());
- }
- return true;
-}
-
-} // !ns Assimp