////  FBXToJSON.cpp//  libraries/model-serializers/src////  Created by Simon Walton on 5/4/2018.//  Copyright 2018 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "FBXToJSON.h"#include "FBX.h" using std::string; template<typename T>inline FBXToJSON& FBXToJSON::operator<<(const QVector<T>& arrayProp) {    *this << "[";    char comma = ' ';    for (auto& prop : arrayProp) {        *(std::ostringstream*)this << comma << prop;        comma = ',';    }    *this << "] ";     if (arrayProp.size() > 4) {        *this << "// " << arrayProp.size() << " items";    }    *this << '\n';     return *this;} FBXToJSON& FBXToJSON::operator<<(const FBXNode& fbxNode) {    string nodeName(fbxNode.name);    if (nodeName.empty()) {        nodeName = "node";    } else {        nodeName = stringEscape(nodeName);    }     *this << string(_indentLevel * 4, ' ') << '"' << nodeName << "\":    {\n";     ++_indentLevel;    int p = 0;    const char* eol = "";    for (auto& prop : fbxNode.properties) {        *this << eol << string(_indentLevel * 4, ' ') << "\"p" << p++ << "\":   ";        switch (prop.userType()) {        case QMetaType::Short:        case QMetaType::Bool:        case QMetaType::Int:        case QMetaType::LongLong:        case QMetaType::Double:        case QMetaType::Float:            *this << prop.toString().toStdString();            break;         case QMetaType::QString:        case QMetaType::QByteArray:            *this << '"' << stringEscape(prop.toByteArray().toStdString()) << '"';            break;         default:            if (prop.canConvert<QVector<float>>()) {                *this << prop.value<QVector<float>>();            } else if (prop.canConvert<QVector<double>>()) {                *this << prop.value<QVector<double>>();            } else if (prop.canConvert<QVector<bool>>()) {                *this << prop.value<QVector<bool>>();            } else if (prop.canConvert<QVector<qint32>>()) {                *this << prop.value<QVector<qint32>>();            } else if (prop.canConvert<QVector<qint64>>()) {                *this << prop.value<QVector<qint64>>();            } else {                *this << "<unimplemented value>";            }            break;        }        eol = ",\n";    }     for (auto& child : fbxNode.children) {        *this << eol;        *this << child;        eol = ",\n";    }     *this << "\n" << string(_indentLevel * 4, ' ') << "}";    --_indentLevel;    return *this;} string FBXToJSON::stringEscape(const string& in) {    string out;    out.reserve(in.length());     for (unsigned char inChar: in) {        if (inChar == '"') {            out.append(R"(\")");        }        else if (inChar == '\\') {            out.append(R"(\\)");        }        else if (inChar < 0x20 || inChar == 0x7f) {            char h[5];            sprintf(h, "\\x%02x", inChar);            out.append(h);        }        else out.append(1, inChar);    }    return out;}