Function ParseTokenAsString

code/AssetLib/FBX/FBXParser.cpp:470–508

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// ------------------------------------------------------------------------------------------------
std::string ParseTokenAsString(const Token& t, const char*& err_out)
{
    err_out = nullptr;

    if (t.Type() != TokenType_DATA) {
        err_out = "expected TOK_DATA token";
        return std::string();
    }

    if(t.IsBinary())
    {
        const char* data = t.begin();
        if (data[0] != 'S') {
            err_out = "failed to parse S(tring), unexpected data type (binary)";
            return std::string();
        }

        // read string length
        BE_NCONST int32_t len = SafeParse<int32_t>(data+1, t.end());
        AI_SWAP4(len);

        ai_assert(t.end() - data == 5 + len);
        return std::string(data + 5, len);
    }

    const size_t length = static_cast<size_t>(t.end() - t.begin());
    if(length < 2) {
        err_out = "token is too short to hold a string";
        return std::string();
    }

    const char* s = t.begin(), *e = t.end() - 1;
    if (*s != '\"' || *e != '\"') {
        err_out = "expected double quoted string";
        return std::string();
    }

    return std::string(s+1,length-2);
}


namespace {