diff options
Diffstat (limited to 'src/3rdparty/assimp/code/MemoryIOWrapper.h')
| -rw-r--r-- | src/3rdparty/assimp/code/MemoryIOWrapper.h | 265 |
1 files changed, 136 insertions, 129 deletions
diff --git a/src/3rdparty/assimp/code/MemoryIOWrapper.h b/src/3rdparty/assimp/code/MemoryIOWrapper.h index 910843a8d..d6aaafae0 100644 --- a/src/3rdparty/assimp/code/MemoryIOWrapper.h +++ b/src/3rdparty/assimp/code/MemoryIOWrapper.h @@ -2,11 +2,11 @@ Open Asset Import Library (assimp) ---------------------------------------------------------------------- -Copyright (c) 2006-2012, assimp team +Copyright (c) 2006-2016, 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 +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 @@ -23,16 +23,16 @@ following conditions are met: 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 +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 +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 +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 +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. ---------------------------------------------------------------------- @@ -42,7 +42,13 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * Handy IOStream/IOSystem implemetation to read directly from a memory buffer */ #ifndef AI_MEMORYIOSTREAM_H_INC #define AI_MEMORYIOSTREAM_H_INC -namespace Assimp { + +#include <assimp/IOStream.hpp> +#include <assimp/IOSystem.hpp> +#include <assimp/ai_assert.h> +#include <stdint.h> + +namespace Assimp { #define AI_MEMORYIO_MAGIC_FILENAME "$$$___magic___$$$" #define AI_MEMORYIO_MAGIC_FILENAME_LENGTH 17 @@ -51,88 +57,88 @@ namespace Assimp { // ---------------------------------------------------------------------------------- class MemoryIOStream : public IOStream { - //friend class MemoryIOSystem; + //friend class MemoryIOSystem; public: - MemoryIOStream (const uint8_t* buff, size_t len, bool own = false) - : buffer (buff) - , length(len) - , pos((size_t)0) - , own(own) - { - } + MemoryIOStream (const uint8_t* buff, size_t len, bool own = false) + : buffer (buff) + , length(len) + , pos((size_t)0) + , own(own) + { + } public: - ~MemoryIOStream () { - if(own) { - delete[] buffer; - } - } - - // ------------------------------------------------------------------- - // Read from stream - size_t Read(void* pvBuffer, size_t pSize, size_t pCount) { - const size_t cnt = std::min(pCount,(length-pos)/pSize),ofs = pSize*cnt; - - memcpy(pvBuffer,buffer+pos,ofs); - pos += ofs; - - return cnt; - } - - // ------------------------------------------------------------------- - // Write to stream - size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/,size_t /*pCount*/) { - ai_assert(false); // won't be needed - return 0; - } - - // ------------------------------------------------------------------- - // Seek specific position - aiReturn Seek(size_t pOffset, aiOrigin pOrigin) { - if (aiOrigin_SET == pOrigin) { - if (pOffset >= length) { - return AI_FAILURE; - } - pos = pOffset; - } - else if (aiOrigin_END == pOrigin) { - if (pOffset >= length) { - return AI_FAILURE; - } - pos = length-pOffset; - } - else { - if (pOffset+pos >= length) { - return AI_FAILURE; - } - pos += pOffset; - } - return AI_SUCCESS; - } - - // ------------------------------------------------------------------- - // Get current seek position - size_t Tell() const { - return pos; - } - - // ------------------------------------------------------------------- - // Get size of file - size_t FileSize() const { - return length; - } - - // ------------------------------------------------------------------- - // Flush file contents - void Flush() { - ai_assert(false); // won't be needed - } + ~MemoryIOStream () { + if(own) { + delete[] buffer; + } + } + + // ------------------------------------------------------------------- + // Read from stream + size_t Read(void* pvBuffer, size_t pSize, size_t pCount) { + const size_t cnt = std::min(pCount,(length-pos)/pSize),ofs = pSize*cnt; + + memcpy(pvBuffer,buffer+pos,ofs); + pos += ofs; + + return cnt; + } + + // ------------------------------------------------------------------- + // Write to stream + size_t Write(const void* /*pvBuffer*/, size_t /*pSize*/,size_t /*pCount*/) { + ai_assert(false); // won't be needed + return 0; + } + + // ------------------------------------------------------------------- + // Seek specific position + aiReturn Seek(size_t pOffset, aiOrigin pOrigin) { + if (aiOrigin_SET == pOrigin) { + if (pOffset >= length) { + return AI_FAILURE; + } + pos = pOffset; + } + else if (aiOrigin_END == pOrigin) { + if (pOffset >= length) { + return AI_FAILURE; + } + pos = length-pOffset; + } + else { + if (pOffset+pos >= length) { + return AI_FAILURE; + } + pos += pOffset; + } + return AI_SUCCESS; + } + + // ------------------------------------------------------------------- + // Get current seek position + size_t Tell() const { + return pos; + } + + // ------------------------------------------------------------------- + // Get size of file + size_t FileSize() const { + return length; + } + + // ------------------------------------------------------------------- + // Flush file contents + void Flush() { + ai_assert(false); // won't be needed + } private: - const uint8_t* buffer; - size_t length,pos; - bool own; + const uint8_t* buffer; + size_t length,pos; + bool own; }; // --------------------------------------------------------------------------- @@ -140,50 +146,51 @@ private: class MemoryIOSystem : public IOSystem { public: - /** Constructor. */ - MemoryIOSystem (const uint8_t* buff, size_t len) - : buffer (buff), length(len) { - } - - /** Destructor. */ - ~MemoryIOSystem() { - } - - // ------------------------------------------------------------------- - /** Tests for the existence of a file at the given path. */ - bool Exists( const char* pFile) const { - return !strncmp(pFile,AI_MEMORYIO_MAGIC_FILENAME,AI_MEMORYIO_MAGIC_FILENAME_LENGTH); - } - - // ------------------------------------------------------------------- - /** Returns the directory separator. */ - char getOsSeparator() const { - return '/'; // why not? it doesn't care - } - - // ------------------------------------------------------------------- - /** Open a new file with a given path. */ - IOStream* Open( const char* pFile, const char* /*pMode*/ = "rb") { - if (strncmp(pFile,AI_MEMORYIO_MAGIC_FILENAME,AI_MEMORYIO_MAGIC_FILENAME_LENGTH)) { - return NULL; - } - return new MemoryIOStream(buffer,length); - } - - // ------------------------------------------------------------------- - /** Closes the given file and releases all resources associated with it. */ - void Close( IOStream* /*pFile*/) { - } - - // ------------------------------------------------------------------- - /** Compare two paths */ - bool ComparePaths (const char* /*one*/, const char* /*second*/) const { - return false; - } + /** Constructor. */ + MemoryIOSystem (const uint8_t* buff, size_t len) + : buffer (buff), length(len) { + } + + /** Destructor. */ + ~MemoryIOSystem() { + } + + // ------------------------------------------------------------------- + /** Tests for the existence of a file at the given path. */ + bool Exists( const char* pFile) const { + return !strncmp(pFile,AI_MEMORYIO_MAGIC_FILENAME,AI_MEMORYIO_MAGIC_FILENAME_LENGTH); + } + + // ------------------------------------------------------------------- + /** Returns the directory separator. */ + char getOsSeparator() const { + return '/'; // why not? it doesn't care + } + + // ------------------------------------------------------------------- + /** Open a new file with a given path. */ + IOStream* Open( const char* pFile, const char* /*pMode*/ = "rb") { + if (strncmp(pFile,AI_MEMORYIO_MAGIC_FILENAME,AI_MEMORYIO_MAGIC_FILENAME_LENGTH)) { + return NULL; + } + return new MemoryIOStream(buffer,length); + } + + // ------------------------------------------------------------------- + /** Closes the given file and releases all resources associated with it. */ + void Close( IOStream* pFile) { + delete pFile; + } + + // ------------------------------------------------------------------- + /** Compare two paths */ + bool ComparePaths (const char* /*one*/, const char* /*second*/) const { + return false; + } private: - const uint8_t* buffer; - size_t length; + const uint8_t* buffer; + size_t length; }; } // end namespace Assimp |