assimp/code/AssetLib/USD/USDLoaderUtil.cpp

/*
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Open Asset Import Library (assimp)
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        copyright notice, this list of conditions and the
        following disclaimer.

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        copyright notice, this list of conditions and the
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                   derived from this software without specific prior
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                   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
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                */

/** @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