diff options
Diffstat (limited to 'src/mesh/assimp-master/code/AssetLib/glTF/glTFCommon.cpp')
-rw-r--r-- | src/mesh/assimp-master/code/AssetLib/glTF/glTFCommon.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/AssetLib/glTF/glTFCommon.cpp b/src/mesh/assimp-master/code/AssetLib/glTF/glTFCommon.cpp new file mode 100644 index 0000000..fea680c --- /dev/null +++ b/src/mesh/assimp-master/code/AssetLib/glTF/glTFCommon.cpp @@ -0,0 +1,117 @@ +/* +Open Asset Import Library (assimp) +---------------------------------------------------------------------- + +Copyright (c) 2006-2022, 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. + +---------------------------------------------------------------------- +*/ +#ifndef ASSIMP_BUILD_NO_GLTF_IMPORTER + +#include "AssetLib/glTF/glTFCommon.h" + +namespace glTFCommon { + +using namespace glTFCommon::Util; + +namespace Util { + +bool ParseDataURI(const char *const_uri, size_t uriLen, DataURI &out) { + if (nullptr == const_uri) { + return false; + } + + if (const_uri[0] != 0x10) { // we already parsed this uri? + if (strncmp(const_uri, "data:", 5) != 0) // not a data uri? + return false; + } + + // set defaults + out.mediaType = "text/plain"; + out.charset = "US-ASCII"; + out.base64 = false; + + char *uri = const_cast<char *>(const_uri); + if (uri[0] != 0x10) { + uri[0] = 0x10; + uri[1] = uri[2] = uri[3] = uri[4] = 0; + + size_t i = 5, j; + if (uri[i] != ';' && uri[i] != ',') { // has media type? + uri[1] = char(i); + for (;i < uriLen && uri[i] != ';' && uri[i] != ','; ++i) { + // nothing to do! + } + } + while (i < uriLen && uri[i] == ';') { + uri[i++] = '\0'; + for (j = i; i < uriLen && uri[i] != ';' && uri[i] != ','; ++i) { + // nothing to do! + } + + if (strncmp(uri + j, "charset=", 8) == 0) { + uri[2] = char(j + 8); + } else if (strncmp(uri + j, "base64", 6) == 0) { + uri[3] = char(j); + } + } + if (i < uriLen) { + uri[i++] = '\0'; + uri[4] = char(i); + } else { + uri[1] = uri[2] = uri[3] = 0; + uri[4] = 5; + } + } + + if (uri[1] != 0) { + out.mediaType = uri + uri[1]; + } + if (uri[2] != 0) { + out.charset = uri + uri[2]; + } + if (uri[3] != 0) { + out.base64 = true; + } + out.data = uri + uri[4]; + out.dataLength = (uri + uriLen) - out.data; + + return true; +} + +} // namespace Util +} // namespace glTFCommon + +#endif |