156 lines
4.1 KiB
C++
156 lines
4.1 KiB
C++
/*
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Free Asset Import Library (ASSIMP)
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----------------------------------------------------------------------
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Copyright (c) 2006-2008, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file ObjTools.h
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* @brief Some helpful templates for text parsing
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*/
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#ifndef OBJ_TOOLS_H_INC
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#define OBJ_TOOLS_H_INC
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namespace Assimp
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{
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/** @brief Returns true, if token is a space on any supported platform
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* @param token Token to search in
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* @return true, if token is a space
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*/
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inline bool isSpace(char token)
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{
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return (token == ' ' || token == '\n' || token == '\f' || token == '\r' ||
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token == '\t');
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}
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/** @brief Returns next word separated by a space
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* @param pBuffer Pointer to data buffer
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* @param pEnd Pointer to end of buffer
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* @return Pointer to next space
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*/
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template<class Char_T>
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inline Char_T getNextWord(Char_T pBuffer, Char_T pEnd)
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{
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while (pBuffer != pEnd)
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{
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if (!isSpace(*pBuffer))
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break;
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pBuffer++;
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}
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return pBuffer;
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}
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/** @brief Returns ponter a next token
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* @param pBuffer Pointer to data buffer
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* @param pEnd Pointer to end of buffer
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* @return Pointer to next token
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*/
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template<class Char_T>
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inline Char_T getNextToken(Char_T pBuffer, Char_T pEnd)
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{
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while (pBuffer != pEnd)
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{
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if (isSpace(*pBuffer))
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break;
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pBuffer++;
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}
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return getNextWord(pBuffer, pEnd);
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}
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/** @brief Skips a line
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* @param Iterator set to current position
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* @param Iterator set to end of scratch buffer for readout
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* @param Current linenumber in format
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* @return Current-iterator with new position
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*/
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template<class char_t>
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inline char_t skipLine(char_t it, char_t end, unsigned int &uiLine)
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{
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while ( it != end && *it != '\n' )
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++it;
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if ( it != end )
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{
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++it;
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++uiLine;
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}
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return it;
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}
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template<class char_t>
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inline char_t getName( char_t it, char_t end, std::string &name )
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{
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name = "";
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it = getNextToken<char_t>( it, end );
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if ( it == end )
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return end;
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char *pStart = &(*it);
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while ( !isSpace(*it) && it != end )
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++it;
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// Get name
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std::string strName(pStart, &(*it));
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if ( strName.empty() )
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return it;
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else
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name = strName;
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return it;
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}
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template<class char_t>
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inline char_t CopyNextWord( char_t it, char_t end, char *pBuffer, size_t length )
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{
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size_t index = 0;
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it = getNextWord<char_t>( it, end );
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while (!isSpace( *it ) && it != end )
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{
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pBuffer[index] = *it ;
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index++;
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if (index == length-1)
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break;
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++it;
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}
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pBuffer[index] = '\0';
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return it;
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}
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} // Namespace Assimp
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#endif
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