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ThirdParty/assimp/code/AssetLib/USD/USDLoaderUtil.cpp

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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2025, 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  USDLoader.cpp
+ *  @brief Implementation of the USD importer class
+ */
+
+#ifndef ASSIMP_BUILD_NO_USD_IMPORTER
+#include <memory>
+
+// internal headers
+#include <assimp/ai_assert.h>
+#include <assimp/anim.h>
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/fast_atof.h>
+#include <assimp/Importer.hpp>
+#include <assimp/importerdesc.h>
+#include <assimp/IOStreamBuffer.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp/scene.h>
+#include <assimp/StringUtils.h>
+#include <assimp/StreamReader.h>
+
+#include "USDLoaderUtil.h"
+
+namespace Assimp {
+using namespace std;
+bool isUsda(const std::string &pFile) {
+    size_t pos = pFile.find_last_of('.');
+    if (pos == string::npos) {
+        return false;
+    }
+    string ext = pFile.substr(pos + 1);
+    if (ext.size() != 4) {
+        return false;
+    }
+    return (ext[0] == 'u' || ext[0] == 'U') && (ext[1] == 's' || ext[1] == 'S') && (ext[2] == 'd' || ext[2] == 'D') && (ext[3] == 'a' || ext[3] == 'A');
+}
+
+bool isUsdc(const std::string &pFile) {
+    size_t pos = pFile.find_last_of('.');
+    if (pos == string::npos) {
+        return false;
+    }
+    string ext = pFile.substr(pos + 1);
+    if (ext.size() != 4) {
+        return false;
+    }
+    return (ext[0] == 'u' || ext[0] == 'U') && (ext[1] == 's' || ext[1] == 'S') && (ext[2] == 'd' || ext[2] == 'D') && (ext[3] == 'c' || ext[3] == 'C');
+}
+
+bool isUsdz(const std::string &pFile) {
+    size_t pos = pFile.find_last_of('.');
+    if (pos == string::npos) {
+        return false;
+    }
+    string ext = pFile.substr(pos + 1);
+    if (ext.size() != 4) {
+        return false;
+    }
+    return (ext[0] == 'u' || ext[0] == 'U') && (ext[1] == 's' || ext[1] == 'S') && (ext[2] == 'd' || ext[2] == 'D') && (ext[3] == 'z' || ext[3] == 'Z');
+}
+
+bool isUsd(const std::string &pFile) {
+    size_t pos = pFile.find_last_of('.');
+    if (pos == string::npos) {
+        return false;
+    }
+    string ext = pFile.substr(pos + 1);
+    if (ext.size() != 3) {
+        return false;
+    }
+    return (ext[0] == 'u' || ext[0] == 'U') && (ext[1] == 's' || ext[1] == 'S') && (ext[2] == 'd' || ext[2] == 'D');
+}
+} // namespace Assimp
+
+#endif // !! ASSIMP_BUILD_NO_USD_IMPORTER