12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697 | // Copyright (C) 2022 The Qt Company Ltd.// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#include <QtCore/qrect.h>#include <emscripten/val.h>#if !defined(Q_OS_WASM)#error This is a wasm-only file.#endif// !defined(Q_OS_WASM) QT_BEGIN_NAMESPACE /*! Converts the DOMRect (https://www.w3.org/TR/geometry-1/) \a domRect to QRectF. The behavior is undefined if the provided parameter is not a DOMRect. \since 6.5 \ingroup platform-type-conversions \sa toDOMRect()*/ QRectF QRectF::fromDOMRect(emscripten::val domRect){Q_ASSERT_X(domRect["constructor"]["name"].as<std::string>() =="DOMRect", Q_FUNC_INFO,"Passed object is not a DOMRect");returnQRectF(domRect["left"].as<qreal>(), domRect["top"].as<qreal>(), domRect["width"].as<qreal>(), domRect["height"].as<qreal>());}/*! Converts this object to a DOMRect (https://www.w3.org/TR/geometry-1/). \since 6.5 \ingroup platform-type-conversions \sa fromDOMRect()*/emscripten::val QRectF::toDOMRect()const{returnemscripten::val::global("DOMRect").new_(left(),top(),width(),height());}/*! Converts the \l {https://262.ecma-international.org/#sec-string-object}{ECMAScript string} \a jsString to QString. Behavior is undefined if the provided parameter is not a string. \since 6.6 \ingroup platform-type-conversions \sa toEcmaString()*/ QString QString::fromEcmaString(emscripten::val jsString){Q_ASSERT_X(jsString.isString(), Q_FUNC_INFO,"Passed object is not a string");const double length = jsString["length"].as<double>();Q_ASSERT_X((double(uint64_t(length)) !=double(uint64_t(length) -1)&&double(uint64_t(length)) !=double(uint64_t(length) +1))|| !std::numeric_limits<double>::is_iec559, Q_FUNC_INFO,"The floating-point length cannot precisely represent an integer");constexprint zeroTerminatorLength =1;constauto lengthOfUtf16 = (length + zeroTerminatorLength) *2;Q_ASSERT_X((double(uint64_t(lengthOfUtf16)) !=double(uint64_t(lengthOfUtf16) -1)&&double(uint64_t(lengthOfUtf16)) !=double(uint64_t(lengthOfUtf16) +1))|| !std::numeric_limits<double>::is_iec559, Q_FUNC_INFO,"The floating-point lengthOfUtf16 cannot precisely represent an integer");const QString result(uint64_t(length),Qt::Uninitialized);static constemscripten::val stringToUTF16(emscripten::val::module_property("stringToUTF16"));stringToUTF16(jsString,emscripten::val(quintptr(result.data())),emscripten::val(lengthOfUtf16));return result;}/*! Converts this object to an \l {https://262.ecma-international.org/#sec-string-object}{ECMAScript string}. \since 6.6 \ingroup platform-type-conversions \sa fromEcmaString()*/emscripten::val QString::toEcmaString()const{static constemscripten::val UTF16ToString(emscripten::val::module_property("UTF16ToString"));returnUTF16ToString(emscripten::val(quintptr(utf16())));} QT_END_NAMESPACE
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