| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2019 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtQml module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qqmltype_p_p.h" |
| 41 | |
| 42 | #include <QtQml/qjsvalue.h> |
| 43 | #include <QtQml/qqmlengine.h> |
| 44 | #include <QtQml/qqmlcontext.h> |
| 45 | #include <QtQml/qqmlcomponent.h> |
| 46 | |
| 47 | #include <private/qqmlcustomparser_p.h> |
| 48 | #include <private/qqmldata_p.h> |
| 49 | #include <private/qqmlmetatypedata_p.h> |
| 50 | #include <private/qqmlpropertycache_p.h> |
| 51 | #include <private/qqmltypedata_p.h> |
| 52 | |
| 53 | QT_BEGIN_NAMESPACE |
| 54 | |
| 55 | QQmlTypePrivate::QQmlTypePrivate(QQmlType::RegistrationType type) |
| 56 | : regType(type), iid(nullptr), typeId(0), listId(0), revision(0), |
| 57 | containsRevisionedAttributes(false), baseMetaObject(nullptr), |
| 58 | index(-1), isSetup(false), isEnumFromCacheSetup(false), isEnumFromBaseSetup(false), |
| 59 | haveSuperType(false) |
| 60 | { |
| 61 | switch (type) { |
| 62 | case QQmlType::CppType: |
| 63 | extraData.cd = new QQmlCppTypeData; |
| 64 | extraData.cd->allocationSize = 0; |
| 65 | extraData.cd->newFunc = nullptr; |
| 66 | extraData.cd->parserStatusCast = -1; |
| 67 | extraData.cd->extFunc = nullptr; |
| 68 | extraData.cd->extMetaObject = nullptr; |
| 69 | extraData.cd->customParser = nullptr; |
| 70 | extraData.cd->attachedPropertiesFunc = nullptr; |
| 71 | extraData.cd->attachedPropertiesType = nullptr; |
| 72 | extraData.cd->propertyValueSourceCast = -1; |
| 73 | extraData.cd->propertyValueInterceptorCast = -1; |
| 74 | extraData.cd->registerEnumClassesUnscoped = true; |
| 75 | break; |
| 76 | case QQmlType::SingletonType: |
| 77 | case QQmlType::CompositeSingletonType: |
| 78 | extraData.sd = new QQmlSingletonTypeData; |
| 79 | extraData.sd->singletonInstanceInfo = nullptr; |
| 80 | break; |
| 81 | case QQmlType::InterfaceType: |
| 82 | extraData.cd = nullptr; |
| 83 | break; |
| 84 | case QQmlType::CompositeType: |
| 85 | extraData.fd = new QQmlCompositeTypeData; |
| 86 | break; |
| 87 | case QQmlType::InlineComponentType: |
| 88 | extraData.id = new QQmlInlineTypeData; |
| 89 | break; |
| 90 | default: qFatal(msg: "QQmlTypePrivate Internal Error." ); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | QQmlTypePrivate::~QQmlTypePrivate() |
| 95 | { |
| 96 | qDeleteAll(c: scopedEnums); |
| 97 | for (const auto &metaObject : metaObjects) |
| 98 | free(ptr: metaObject.metaObject); |
| 99 | switch (regType) { |
| 100 | case QQmlType::CppType: |
| 101 | delete extraData.cd->customParser; |
| 102 | delete extraData.cd; |
| 103 | break; |
| 104 | case QQmlType::SingletonType: |
| 105 | case QQmlType::CompositeSingletonType: |
| 106 | delete extraData.sd->singletonInstanceInfo; |
| 107 | delete extraData.sd; |
| 108 | break; |
| 109 | case QQmlType::CompositeType: |
| 110 | delete extraData.fd; |
| 111 | break; |
| 112 | case QQmlType::InlineComponentType: |
| 113 | delete extraData.id; |
| 114 | break; |
| 115 | default: //Also InterfaceType, because it has no extra data |
| 116 | break; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | QQmlType::QQmlType() = default; |
| 121 | QQmlType::QQmlType(const QQmlType &) = default; |
| 122 | QQmlType::QQmlType(QQmlType &&) = default; |
| 123 | QQmlType &QQmlType::operator =(const QQmlType &other) = default; |
| 124 | QQmlType &QQmlType::operator =(QQmlType &&other) = default; |
| 125 | QQmlType::QQmlType(const QQmlTypePrivate *priv) : d(priv) {} |
| 126 | QQmlType::~QQmlType() = default; |
| 127 | |
| 128 | QHashedString QQmlType::module() const |
| 129 | { |
| 130 | if (!d) |
| 131 | return QHashedString(); |
| 132 | return d->module; |
| 133 | } |
| 134 | |
| 135 | int QQmlType::majorVersion() const |
| 136 | { |
| 137 | if (!d) |
| 138 | return -1; |
| 139 | return d->version_maj; |
| 140 | } |
| 141 | |
| 142 | int QQmlType::minorVersion() const |
| 143 | { |
| 144 | if (!d) |
| 145 | return -1; |
| 146 | return d->version_min; |
| 147 | } |
| 148 | |
| 149 | bool QQmlType::availableInVersion(int vmajor, int vminor) const |
| 150 | { |
| 151 | Q_ASSERT(vmajor >= 0 && vminor >= 0); |
| 152 | if (!d) |
| 153 | return false; |
| 154 | return vmajor == d->version_maj && vminor >= d->version_min; |
| 155 | } |
| 156 | |
| 157 | bool QQmlType::availableInVersion(const QHashedStringRef &module, int vmajor, int vminor) const |
| 158 | { |
| 159 | Q_ASSERT(vmajor >= 0 && vminor >= 0); |
| 160 | if (!d) |
| 161 | return false; |
| 162 | return module == d->module && vmajor == d->version_maj && vminor >= d->version_min; |
| 163 | } |
| 164 | |
| 165 | QQmlType QQmlTypePrivate::resolveCompositeBaseType(QQmlEnginePrivate *engine) const |
| 166 | { |
| 167 | Q_ASSERT(isComposite()); |
| 168 | if (!engine) |
| 169 | return QQmlType(); |
| 170 | QQmlRefPointer<QQmlTypeData> td(engine->typeLoader.getType(unNormalizedUrl: sourceUrl())); |
| 171 | if (td.isNull() || !td->isComplete()) |
| 172 | return QQmlType(); |
| 173 | QV4::ExecutableCompilationUnit *compilationUnit = td->compilationUnit(); |
| 174 | const QMetaObject *mo = compilationUnit->rootPropertyCache()->firstCppMetaObject(); |
| 175 | return QQmlMetaType::qmlType(mo); |
| 176 | } |
| 177 | |
| 178 | QQmlPropertyCache *QQmlTypePrivate::compositePropertyCache(QQmlEnginePrivate *engine) const |
| 179 | { |
| 180 | // similar logic to resolveCompositeBaseType |
| 181 | Q_ASSERT(isComposite()); |
| 182 | if (!engine) |
| 183 | return nullptr; |
| 184 | QQmlRefPointer<QQmlTypeData> td(engine->typeLoader.getType(unNormalizedUrl: sourceUrl())); |
| 185 | if (td.isNull() || !td->isComplete()) |
| 186 | return nullptr; |
| 187 | QV4::ExecutableCompilationUnit *compilationUnit = td->compilationUnit(); |
| 188 | return compilationUnit->rootPropertyCache().data(); |
| 189 | } |
| 190 | |
| 191 | static bool isPropertyRevisioned(const QMetaObject *mo, int index) |
| 192 | { |
| 193 | int i = index; |
| 194 | i -= mo->propertyOffset(); |
| 195 | if (i < 0 && mo->d.superdata) |
| 196 | return isPropertyRevisioned(mo: mo->d.superdata, index); |
| 197 | |
| 198 | const QMetaObjectPrivate *mop = reinterpret_cast<const QMetaObjectPrivate*>(mo->d.data); |
| 199 | if (i >= 0 && i < mop->propertyCount) { |
| 200 | int handle = mop->propertyData + 3*i; |
| 201 | int flags = mo->d.data[handle + 2]; |
| 202 | |
| 203 | return (flags & Revisioned); |
| 204 | } |
| 205 | |
| 206 | return false; |
| 207 | } |
| 208 | |
| 209 | void QQmlTypePrivate::init() const |
| 210 | { |
| 211 | if (isSetup) |
| 212 | return; |
| 213 | |
| 214 | QMutexLocker lock(QQmlMetaType::typeRegistrationLock()); |
| 215 | if (isSetup) |
| 216 | return; |
| 217 | |
| 218 | const QMetaObject *mo = baseMetaObject; |
| 219 | if (!mo) { |
| 220 | // version 0 singleton type without metaobject information |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | if (regType == QQmlType::CppType) { |
| 225 | // Setup extended meta object |
| 226 | // XXX - very inefficient |
| 227 | if (extraData.cd->extFunc) { |
| 228 | QMetaObjectBuilder builder; |
| 229 | QQmlMetaType::clone(builder, mo: extraData.cd->extMetaObject, ignoreStart: extraData.cd->extMetaObject, |
| 230 | ignoreEnd: extraData.cd->extMetaObject); |
| 231 | builder.setFlags(QMetaObjectBuilder::DynamicMetaObject); |
| 232 | QMetaObject *mmo = builder.toMetaObject(); |
| 233 | mmo->d.superdata = mo; |
| 234 | QQmlProxyMetaObject::ProxyData data = { .metaObject: mmo, .createFunc: extraData.cd->extFunc, .propertyOffset: 0, .methodOffset: 0 }; |
| 235 | metaObjects << data; |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | metaObjects.append(t: QQmlMetaType::proxyData( |
| 240 | mo, baseMetaObject, lastMetaObject: metaObjects.isEmpty() ? nullptr |
| 241 | : metaObjects.constLast().metaObject)); |
| 242 | |
| 243 | for (int ii = 0; ii < metaObjects.count(); ++ii) { |
| 244 | metaObjects[ii].propertyOffset = |
| 245 | metaObjects.at(i: ii).metaObject->propertyOffset(); |
| 246 | metaObjects[ii].methodOffset = |
| 247 | metaObjects.at(i: ii).metaObject->methodOffset(); |
| 248 | } |
| 249 | |
| 250 | // Check for revisioned details |
| 251 | { |
| 252 | const QMetaObject *mo = nullptr; |
| 253 | if (metaObjects.isEmpty()) |
| 254 | mo = baseMetaObject; |
| 255 | else |
| 256 | mo = metaObjects.constFirst().metaObject; |
| 257 | |
| 258 | for (int ii = 0; !containsRevisionedAttributes && ii < mo->propertyCount(); ++ii) { |
| 259 | if (isPropertyRevisioned(mo, index: ii)) |
| 260 | containsRevisionedAttributes = true; |
| 261 | } |
| 262 | |
| 263 | for (int ii = 0; !containsRevisionedAttributes && ii < mo->methodCount(); ++ii) { |
| 264 | if (mo->method(index: ii).revision() != 0) |
| 265 | containsRevisionedAttributes = true; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | isSetup = true; |
| 270 | lock.unlock(); |
| 271 | } |
| 272 | |
| 273 | void QQmlTypePrivate::initEnums(QQmlEnginePrivate *engine) const |
| 274 | { |
| 275 | const QQmlPropertyCache *cache = (!isEnumFromCacheSetup && isComposite()) |
| 276 | ? compositePropertyCache(engine) |
| 277 | : nullptr; |
| 278 | |
| 279 | const QMetaObject *metaObject = !isEnumFromBaseSetup |
| 280 | ? baseMetaObject // beware: It could be a singleton type without metaobject |
| 281 | : nullptr; |
| 282 | |
| 283 | if (!cache && !metaObject) |
| 284 | return; |
| 285 | |
| 286 | init(); |
| 287 | |
| 288 | QMutexLocker lock(QQmlMetaType::typeRegistrationLock()); |
| 289 | |
| 290 | if (cache) { |
| 291 | insertEnumsFromPropertyCache(cache); |
| 292 | isEnumFromCacheSetup = true; |
| 293 | } |
| 294 | |
| 295 | if (metaObject) { |
| 296 | insertEnums(metaObject); |
| 297 | isEnumFromBaseSetup = true; |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | void QQmlTypePrivate::insertEnums(const QMetaObject *metaObject) const |
| 302 | { |
| 303 | // Add any enum values defined by 'related' classes |
| 304 | if (metaObject->d.relatedMetaObjects) { |
| 305 | const auto *related = metaObject->d.relatedMetaObjects; |
| 306 | if (related) { |
| 307 | while (*related) |
| 308 | insertEnums(metaObject: *related++); |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | QSet<QString> localEnums; |
| 313 | const QMetaObject *localMetaObject = nullptr; |
| 314 | |
| 315 | // Add any enum values defined by this class, overwriting any inherited values |
| 316 | for (int ii = 0; ii < metaObject->enumeratorCount(); ++ii) { |
| 317 | QMetaEnum e = metaObject->enumerator(index: ii); |
| 318 | const bool isScoped = e.isScoped(); |
| 319 | QStringHash<int> *scoped = isScoped ? new QStringHash<int>() : nullptr; |
| 320 | |
| 321 | // We allow enums in sub-classes to overwrite enums from base-classes, such as |
| 322 | // ListView.Center (from enum PositionMode) overwriting Item.Center (from enum TransformOrigin). |
| 323 | // This is acceptable because the _use_ of the enum from the QML side requires qualification |
| 324 | // anyway, i.e. ListView.Center vs. Item.Center. |
| 325 | // However if a class defines two enums with the same value, then that must produce a warning |
| 326 | // because it represents a valid conflict. |
| 327 | if (e.enclosingMetaObject() != localMetaObject) { |
| 328 | localEnums.clear(); |
| 329 | localMetaObject = e.enclosingMetaObject(); |
| 330 | } |
| 331 | |
| 332 | for (int jj = 0; jj < e.keyCount(); ++jj) { |
| 333 | const QString key = QString::fromUtf8(str: e.key(index: jj)); |
| 334 | const int value = e.value(index: jj); |
| 335 | if (!isScoped || (regType == QQmlType::CppType && extraData.cd->registerEnumClassesUnscoped)) { |
| 336 | if (localEnums.contains(value: key)) { |
| 337 | auto existingEntry = enums.find(key); |
| 338 | if (existingEntry != enums.end() && existingEntry.value() != value) { |
| 339 | qWarning(msg: "Previously registered enum will be overwritten due to name clash: %s.%s" , metaObject->className(), key.toUtf8().constData()); |
| 340 | createEnumConflictReport(metaObject, conflictingKey: key); |
| 341 | } |
| 342 | } else { |
| 343 | localEnums.insert(value: key); |
| 344 | } |
| 345 | enums.insert(key, value); |
| 346 | } |
| 347 | if (isScoped) |
| 348 | scoped->insert(key, value); |
| 349 | } |
| 350 | |
| 351 | if (isScoped) { |
| 352 | scopedEnums << scoped; |
| 353 | scopedEnumIndex.insert(key: QString::fromUtf8(str: e.name()), value: scopedEnums.count()-1); |
| 354 | } |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | void QQmlTypePrivate::createListOfPossibleConflictingItems(const QMetaObject *metaObject, QList<EnumInfo> &enumInfoList, QStringList path) const |
| 359 | { |
| 360 | path.append(t: QString::fromUtf8(str: metaObject->className())); |
| 361 | |
| 362 | if (metaObject->d.relatedMetaObjects) { |
| 363 | const auto *related = metaObject->d.relatedMetaObjects; |
| 364 | if (related) { |
| 365 | while (*related) |
| 366 | createListOfPossibleConflictingItems(metaObject: *related++, enumInfoList, path); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | for (int ii = 0; ii < metaObject->enumeratorCount(); ++ii) { |
| 371 | const auto e = metaObject->enumerator(index: ii); |
| 372 | |
| 373 | for (int jj = 0; jj < e.keyCount(); ++jj) { |
| 374 | const QString key = QString::fromUtf8(str: e.key(index: jj)); |
| 375 | |
| 376 | EnumInfo enumInfo; |
| 377 | enumInfo.metaObjectName = QString::fromUtf8(str: metaObject->className()); |
| 378 | enumInfo.enumName = QString::fromUtf8(str: e.name()); |
| 379 | enumInfo.enumKey = key; |
| 380 | enumInfo.scoped = e.isScoped(); |
| 381 | enumInfo.path = path; |
| 382 | enumInfo.metaEnumScope = QString::fromUtf8(str: e.scope()); |
| 383 | enumInfoList.append(t: enumInfo); |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | void QQmlTypePrivate::createEnumConflictReport(const QMetaObject *metaObject, const QString &conflictingKey) const |
| 389 | { |
| 390 | QList<EnumInfo> enumInfoList; |
| 391 | |
| 392 | if (baseMetaObject) // prefer baseMetaObject if available |
| 393 | metaObject = baseMetaObject; |
| 394 | |
| 395 | if (!metaObject) { // If there is no metaObject at all return early |
| 396 | qWarning() << "No meta object information available. Skipping conflict analysis." ; |
| 397 | return; |
| 398 | } |
| 399 | |
| 400 | createListOfPossibleConflictingItems(metaObject, enumInfoList, path: QStringList()); |
| 401 | |
| 402 | qWarning().noquote() << QLatin1String("Possible conflicting items:" ); |
| 403 | // find items with conflicting key |
| 404 | for (const auto &i : qAsConst(t&: enumInfoList)) { |
| 405 | if (i.enumKey == conflictingKey) |
| 406 | qWarning().noquote().nospace() << " " << i.metaObjectName << "." << i.enumName << "." << i.enumKey << " from scope " |
| 407 | << i.metaEnumScope << " injected by " << i.path.join(sep: QLatin1String("->" )); |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | void QQmlTypePrivate::insertEnumsFromPropertyCache(const QQmlPropertyCache *cache) const |
| 412 | { |
| 413 | const QMetaObject *cppMetaObject = cache->firstCppMetaObject(); |
| 414 | |
| 415 | while (cache && cache->metaObject() != cppMetaObject) { |
| 416 | |
| 417 | int count = cache->qmlEnumCount(); |
| 418 | for (int ii = 0; ii < count; ++ii) { |
| 419 | QStringHash<int> *scoped = new QStringHash<int>(); |
| 420 | QQmlEnumData *enumData = cache->qmlEnum(index: ii); |
| 421 | |
| 422 | for (int jj = 0; jj < enumData->values.count(); ++jj) { |
| 423 | const QQmlEnumValue &value = enumData->values.at(i: jj); |
| 424 | enums.insert(key: value.namedValue, value: value.value); |
| 425 | scoped->insert(key: value.namedValue, value: value.value); |
| 426 | } |
| 427 | scopedEnums << scoped; |
| 428 | scopedEnumIndex.insert(key: enumData->name, value: scopedEnums.count()-1); |
| 429 | } |
| 430 | cache = cache->parent(); |
| 431 | } |
| 432 | insertEnums(metaObject: cppMetaObject); |
| 433 | } |
| 434 | |
| 435 | void QQmlTypePrivate::setContainingType(QQmlType *containingType) |
| 436 | { |
| 437 | Q_ASSERT(regType == QQmlType::InlineComponentType); |
| 438 | extraData.id->containingType = containingType->d.data(); |
| 439 | } |
| 440 | |
| 441 | void QQmlTypePrivate::setName(const QString &uri, const QString &element) |
| 442 | { |
| 443 | module = uri; |
| 444 | elementName = element; |
| 445 | name = uri.isEmpty() ? element : (uri + QLatin1Char('/') + element); |
| 446 | } |
| 447 | |
| 448 | QByteArray QQmlType::typeName() const |
| 449 | { |
| 450 | if (d) { |
| 451 | if (d->regType == SingletonType || d->regType == CompositeSingletonType) |
| 452 | return d->extraData.sd->singletonInstanceInfo->typeName.toUtf8(); |
| 453 | else if (d->baseMetaObject) |
| 454 | return d->baseMetaObject->className(); |
| 455 | else if (d->regType == InlineComponentType) |
| 456 | return d->extraData.id->inlineComponentName.toUtf8(); |
| 457 | } |
| 458 | return QByteArray(); |
| 459 | } |
| 460 | |
| 461 | QString QQmlType::elementName() const |
| 462 | { |
| 463 | if (!d) |
| 464 | return QString(); |
| 465 | return d->elementName; |
| 466 | } |
| 467 | |
| 468 | QString QQmlType::qmlTypeName() const |
| 469 | { |
| 470 | if (!d) |
| 471 | return QString(); |
| 472 | return d->name; |
| 473 | } |
| 474 | |
| 475 | QObject *QQmlType::create() const |
| 476 | { |
| 477 | if (!d || !isCreatable()) |
| 478 | return nullptr; |
| 479 | |
| 480 | d->init(); |
| 481 | |
| 482 | QObject *rv = (QObject *)operator new(d->extraData.cd->allocationSize); |
| 483 | d->extraData.cd->newFunc(rv); |
| 484 | |
| 485 | if (rv && !d->metaObjects.isEmpty()) |
| 486 | (void)new QQmlProxyMetaObject(rv, &d->metaObjects); |
| 487 | |
| 488 | return rv; |
| 489 | } |
| 490 | |
| 491 | void QQmlType::create(QObject **out, void **memory, size_t additionalMemory) const |
| 492 | { |
| 493 | if (!d || !isCreatable()) |
| 494 | return; |
| 495 | |
| 496 | d->init(); |
| 497 | |
| 498 | QObject *rv = (QObject *)operator new(d->extraData.cd->allocationSize + additionalMemory); |
| 499 | d->extraData.cd->newFunc(rv); |
| 500 | |
| 501 | if (rv && !d->metaObjects.isEmpty()) |
| 502 | (void)new QQmlProxyMetaObject(rv, &d->metaObjects); |
| 503 | |
| 504 | *out = rv; |
| 505 | *memory = ((char *)rv) + d->extraData.cd->allocationSize; |
| 506 | } |
| 507 | |
| 508 | QQmlType::SingletonInstanceInfo *QQmlType::singletonInstanceInfo() const |
| 509 | { |
| 510 | if (!d) |
| 511 | return nullptr; |
| 512 | if (d->regType != SingletonType && d->regType != CompositeSingletonType) |
| 513 | return nullptr; |
| 514 | return d->extraData.sd->singletonInstanceInfo; |
| 515 | } |
| 516 | |
| 517 | QQmlCustomParser *QQmlType::customParser() const |
| 518 | { |
| 519 | if (!d) |
| 520 | return nullptr; |
| 521 | if (d->regType != CppType) |
| 522 | return nullptr; |
| 523 | return d->extraData.cd->customParser; |
| 524 | } |
| 525 | |
| 526 | QQmlType::CreateFunc QQmlType::createFunction() const |
| 527 | { |
| 528 | if (!d || d->regType != CppType) |
| 529 | return nullptr; |
| 530 | return d->extraData.cd->newFunc; |
| 531 | } |
| 532 | |
| 533 | QString QQmlType::noCreationReason() const |
| 534 | { |
| 535 | if (!d || d->regType != CppType) |
| 536 | return QString(); |
| 537 | return d->extraData.cd->noCreationReason; |
| 538 | } |
| 539 | |
| 540 | bool QQmlType::isCreatable() const |
| 541 | { |
| 542 | return d && d->regType == CppType && d->extraData.cd->newFunc; |
| 543 | } |
| 544 | |
| 545 | QQmlType::ExtensionFunc QQmlType::extensionFunction() const |
| 546 | { |
| 547 | if (!d || d->regType != CppType) |
| 548 | return nullptr; |
| 549 | return d->extraData.cd->extFunc; |
| 550 | } |
| 551 | |
| 552 | bool QQmlType::isExtendedType() const |
| 553 | { |
| 554 | if (!d) |
| 555 | return false; |
| 556 | d->init(); |
| 557 | |
| 558 | return !d->metaObjects.isEmpty(); |
| 559 | } |
| 560 | |
| 561 | bool QQmlType::isSingleton() const |
| 562 | { |
| 563 | return d && (d->regType == SingletonType || d->regType == CompositeSingletonType); |
| 564 | } |
| 565 | |
| 566 | bool QQmlType::isInterface() const |
| 567 | { |
| 568 | return d && d->regType == InterfaceType; |
| 569 | } |
| 570 | |
| 571 | bool QQmlType::isComposite() const |
| 572 | { |
| 573 | return d && d->isComposite(); |
| 574 | } |
| 575 | |
| 576 | bool QQmlType::isCompositeSingleton() const |
| 577 | { |
| 578 | // if the outer type is a composite singleton, d->regType will indicate that even for |
| 579 | // the inline component type |
| 580 | // however, inline components can -at least for now- never be singletons |
| 581 | // so we just do one additional check |
| 582 | return d && d->regType == CompositeSingletonType && !isInlineComponentType(); |
| 583 | } |
| 584 | |
| 585 | bool QQmlType::isQObjectSingleton() const |
| 586 | { |
| 587 | return d && d->regType == SingletonType && d->extraData.sd->singletonInstanceInfo->qobjectCallback; |
| 588 | } |
| 589 | |
| 590 | bool QQmlType::isQJSValueSingleton() const |
| 591 | { |
| 592 | return d && d->regType == SingletonType && d->extraData.sd->singletonInstanceInfo->scriptCallback; |
| 593 | } |
| 594 | |
| 595 | int QQmlType::typeId() const |
| 596 | { |
| 597 | return d ? d->typeId : -1; |
| 598 | } |
| 599 | |
| 600 | int QQmlType::qListTypeId() const |
| 601 | { |
| 602 | return d ? d->listId : -1; |
| 603 | } |
| 604 | |
| 605 | const QMetaObject *QQmlType::metaObject() const |
| 606 | { |
| 607 | if (!d) |
| 608 | return nullptr; |
| 609 | d->init(); |
| 610 | |
| 611 | if (d->metaObjects.isEmpty()) |
| 612 | return d->baseMetaObject; |
| 613 | else |
| 614 | return d->metaObjects.constFirst().metaObject; |
| 615 | |
| 616 | } |
| 617 | |
| 618 | const QMetaObject *QQmlType::baseMetaObject() const |
| 619 | { |
| 620 | return d ? d->baseMetaObject : nullptr; |
| 621 | } |
| 622 | |
| 623 | bool QQmlType::containsRevisionedAttributes() const |
| 624 | { |
| 625 | if (!d) |
| 626 | return false; |
| 627 | d->init(); |
| 628 | |
| 629 | return d->containsRevisionedAttributes; |
| 630 | } |
| 631 | |
| 632 | int QQmlType::metaObjectRevision() const |
| 633 | { |
| 634 | return d ? d->revision : -1; |
| 635 | } |
| 636 | |
| 637 | QQmlAttachedPropertiesFunc QQmlType::attachedPropertiesFunction(QQmlEnginePrivate *engine) const |
| 638 | { |
| 639 | if (const QQmlTypePrivate *base = d ? d->attachedPropertiesBase(engine) : nullptr) |
| 640 | return base->extraData.cd->attachedPropertiesFunc; |
| 641 | return nullptr; |
| 642 | } |
| 643 | |
| 644 | const QMetaObject *QQmlType::attachedPropertiesType(QQmlEnginePrivate *engine) const |
| 645 | { |
| 646 | if (const QQmlTypePrivate *base = d ? d->attachedPropertiesBase(engine) : nullptr) |
| 647 | return base->extraData.cd->attachedPropertiesType; |
| 648 | return nullptr; |
| 649 | } |
| 650 | |
| 651 | #if QT_DEPRECATED_SINCE(5, 14) |
| 652 | /* |
| 653 | This is the id passed to qmlAttachedPropertiesById(). This is different from the index |
| 654 | for the case that a single class is registered under two or more names (eg. Item in |
| 655 | Qt 4.7 and QtQuick 1.0). |
| 656 | */ |
| 657 | int QQmlType::attachedPropertiesId(QQmlEnginePrivate *engine) const |
| 658 | { |
| 659 | if (const QQmlTypePrivate *base = d->attachedPropertiesBase(engine)) |
| 660 | return base->index; |
| 661 | return -1; |
| 662 | } |
| 663 | #endif |
| 664 | |
| 665 | int QQmlType::parserStatusCast() const |
| 666 | { |
| 667 | if (!d || d->regType != CppType) |
| 668 | return -1; |
| 669 | return d->extraData.cd->parserStatusCast; |
| 670 | } |
| 671 | |
| 672 | int QQmlType::propertyValueSourceCast() const |
| 673 | { |
| 674 | if (!d || d->regType != CppType) |
| 675 | return -1; |
| 676 | return d->extraData.cd->propertyValueSourceCast; |
| 677 | } |
| 678 | |
| 679 | int QQmlType::propertyValueInterceptorCast() const |
| 680 | { |
| 681 | if (!d || d->regType != CppType) |
| 682 | return -1; |
| 683 | return d->extraData.cd->propertyValueInterceptorCast; |
| 684 | } |
| 685 | |
| 686 | const char *QQmlType::interfaceIId() const |
| 687 | { |
| 688 | if (!d || d->regType != InterfaceType) |
| 689 | return nullptr; |
| 690 | return d->iid; |
| 691 | } |
| 692 | |
| 693 | int QQmlType::index() const |
| 694 | { |
| 695 | return d ? d->index : -1; |
| 696 | } |
| 697 | |
| 698 | bool QQmlType::isInlineComponentType() const { |
| 699 | return d ? d->regType == QQmlType::InlineComponentType : false; |
| 700 | } |
| 701 | |
| 702 | int QQmlType::inlineComponendId() const { |
| 703 | bool ok = false; |
| 704 | if (d->regType == QQmlType::RegistrationType::InlineComponentType) { |
| 705 | Q_ASSERT(d->extraData.id->objectId != -1); |
| 706 | return d->extraData.id->objectId; |
| 707 | } |
| 708 | int subObjectId = sourceUrl().fragment().toInt(ok: &ok); |
| 709 | return ok ? subObjectId : -1; |
| 710 | } |
| 711 | |
| 712 | QUrl QQmlType::sourceUrl() const |
| 713 | { |
| 714 | auto url = d ? d->sourceUrl() : QUrl(); |
| 715 | if (url.isValid() && d->regType == QQmlType::RegistrationType::InlineComponentType && d->extraData.id->objectId) { |
| 716 | Q_ASSERT(url.hasFragment()); |
| 717 | url.setFragment(fragment: QString::number(inlineComponendId())); |
| 718 | } |
| 719 | return url; |
| 720 | } |
| 721 | |
| 722 | int QQmlType::enumValue(QQmlEnginePrivate *engine, const QHashedStringRef &name, bool *ok) const |
| 723 | { |
| 724 | Q_ASSERT(ok); |
| 725 | if (d) { |
| 726 | *ok = true; |
| 727 | |
| 728 | d->initEnums(engine); |
| 729 | |
| 730 | int *rv = d->enums.value(key: name); |
| 731 | if (rv) |
| 732 | return *rv; |
| 733 | } |
| 734 | |
| 735 | *ok = false; |
| 736 | return -1; |
| 737 | } |
| 738 | |
| 739 | int QQmlType::enumValue(QQmlEnginePrivate *engine, const QHashedCStringRef &name, bool *ok) const |
| 740 | { |
| 741 | Q_ASSERT(ok); |
| 742 | if (d) { |
| 743 | *ok = true; |
| 744 | |
| 745 | d->initEnums(engine); |
| 746 | |
| 747 | int *rv = d->enums.value(key: name); |
| 748 | if (rv) |
| 749 | return *rv; |
| 750 | } |
| 751 | |
| 752 | *ok = false; |
| 753 | return -1; |
| 754 | } |
| 755 | |
| 756 | int QQmlType::enumValue(QQmlEnginePrivate *engine, const QV4::String *name, bool *ok) const |
| 757 | { |
| 758 | Q_ASSERT(ok); |
| 759 | if (d) { |
| 760 | *ok = true; |
| 761 | |
| 762 | d->initEnums(engine); |
| 763 | |
| 764 | int *rv = d->enums.value(string: name); |
| 765 | if (rv) |
| 766 | return *rv; |
| 767 | } |
| 768 | |
| 769 | *ok = false; |
| 770 | return -1; |
| 771 | } |
| 772 | |
| 773 | int QQmlType::scopedEnumIndex(QQmlEnginePrivate *engine, const QV4::String *name, bool *ok) const |
| 774 | { |
| 775 | Q_ASSERT(ok); |
| 776 | if (d) { |
| 777 | *ok = true; |
| 778 | |
| 779 | d->initEnums(engine); |
| 780 | |
| 781 | int *rv = d->scopedEnumIndex.value(string: name); |
| 782 | if (rv) |
| 783 | return *rv; |
| 784 | } |
| 785 | |
| 786 | *ok = false; |
| 787 | return -1; |
| 788 | } |
| 789 | |
| 790 | int QQmlType::scopedEnumIndex(QQmlEnginePrivate *engine, const QString &name, bool *ok) const |
| 791 | { |
| 792 | Q_ASSERT(ok); |
| 793 | if (d) { |
| 794 | *ok = true; |
| 795 | |
| 796 | d->initEnums(engine); |
| 797 | |
| 798 | int *rv = d->scopedEnumIndex.value(key: name); |
| 799 | if (rv) |
| 800 | return *rv; |
| 801 | } |
| 802 | |
| 803 | *ok = false; |
| 804 | return -1; |
| 805 | } |
| 806 | |
| 807 | int QQmlType::scopedEnumValue(QQmlEnginePrivate *engine, int index, const QV4::String *name, bool *ok) const |
| 808 | { |
| 809 | Q_UNUSED(engine) |
| 810 | Q_ASSERT(ok); |
| 811 | *ok = true; |
| 812 | |
| 813 | if (d) { |
| 814 | Q_ASSERT(index > -1 && index < d->scopedEnums.count()); |
| 815 | int *rv = d->scopedEnums.at(i: index)->value(string: name); |
| 816 | if (rv) |
| 817 | return *rv; |
| 818 | } |
| 819 | |
| 820 | *ok = false; |
| 821 | return -1; |
| 822 | } |
| 823 | |
| 824 | int QQmlType::scopedEnumValue(QQmlEnginePrivate *engine, int index, const QString &name, bool *ok) const |
| 825 | { |
| 826 | Q_UNUSED(engine) |
| 827 | Q_ASSERT(ok); |
| 828 | *ok = true; |
| 829 | |
| 830 | if (d) { |
| 831 | Q_ASSERT(index > -1 && index < d->scopedEnums.count()); |
| 832 | int *rv = d->scopedEnums.at(i: index)->value(key: name); |
| 833 | if (rv) |
| 834 | return *rv; |
| 835 | } |
| 836 | |
| 837 | *ok = false; |
| 838 | return -1; |
| 839 | } |
| 840 | |
| 841 | int QQmlType::scopedEnumValue(QQmlEnginePrivate *engine, const QByteArray &scopedEnumName, const QByteArray &name, bool *ok) const |
| 842 | { |
| 843 | Q_ASSERT(ok); |
| 844 | if (d) { |
| 845 | *ok = true; |
| 846 | |
| 847 | d->initEnums(engine); |
| 848 | |
| 849 | int *rv = d->scopedEnumIndex.value(key: QHashedCStringRef(scopedEnumName.constData(), scopedEnumName.length())); |
| 850 | if (rv) { |
| 851 | int index = *rv; |
| 852 | Q_ASSERT(index > -1 && index < d->scopedEnums.count()); |
| 853 | rv = d->scopedEnums.at(i: index)->value(key: QHashedCStringRef(name.constData(), name.length())); |
| 854 | if (rv) |
| 855 | return *rv; |
| 856 | } |
| 857 | } |
| 858 | |
| 859 | *ok = false; |
| 860 | return -1; |
| 861 | } |
| 862 | |
| 863 | int QQmlType::scopedEnumValue(QQmlEnginePrivate *engine, const QStringRef &scopedEnumName, const QStringRef &name, bool *ok) const |
| 864 | { |
| 865 | Q_ASSERT(ok); |
| 866 | if (d) { |
| 867 | *ok = true; |
| 868 | |
| 869 | d->initEnums(engine); |
| 870 | |
| 871 | int *rv = d->scopedEnumIndex.value(key: QHashedStringRef(scopedEnumName)); |
| 872 | if (rv) { |
| 873 | int index = *rv; |
| 874 | Q_ASSERT(index > -1 && index < d->scopedEnums.count()); |
| 875 | rv = d->scopedEnums.at(i: index)->value(key: QHashedStringRef(name)); |
| 876 | if (rv) |
| 877 | return *rv; |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | *ok = false; |
| 882 | return -1; |
| 883 | } |
| 884 | |
| 885 | int QQmlType::inlineComponentObjectId() |
| 886 | { |
| 887 | if (!isInlineComponentType()) |
| 888 | return -1; |
| 889 | return d->extraData.id->objectId; |
| 890 | } |
| 891 | |
| 892 | void QQmlType::setInlineComponentObjectId(int id) const |
| 893 | { |
| 894 | Q_ASSERT(d && d->regType == QQmlType::InlineComponentType); |
| 895 | d->extraData.id->objectId = id; |
| 896 | } |
| 897 | |
| 898 | void QQmlType::refHandle(const QQmlTypePrivate *priv) |
| 899 | { |
| 900 | if (priv) |
| 901 | priv->addref(); |
| 902 | } |
| 903 | |
| 904 | void QQmlType::derefHandle(const QQmlTypePrivate *priv) |
| 905 | { |
| 906 | if (priv) |
| 907 | priv->release(); |
| 908 | } |
| 909 | |
| 910 | int QQmlType::refCount(const QQmlTypePrivate *priv) |
| 911 | { |
| 912 | if (priv) |
| 913 | return priv->count(); |
| 914 | return -1; |
| 915 | } |
| 916 | |
| 917 | int QQmlType::lookupInlineComponentIdByName(const QString &name) const |
| 918 | { |
| 919 | Q_ASSERT(d); |
| 920 | return d->namesToInlineComponentObjectIndex.value(akey: name, adefaultValue: -1); |
| 921 | } |
| 922 | |
| 923 | QQmlType QQmlType::containingType() const |
| 924 | { |
| 925 | Q_ASSERT(d && d->regType == QQmlType::RegistrationType::InlineComponentType); |
| 926 | auto ret = QQmlType {d->extraData.id->containingType}; |
| 927 | Q_ASSERT(!ret.isInlineComponentType()); |
| 928 | return ret; |
| 929 | } |
| 930 | |
| 931 | QQmlType QQmlType::lookupInlineComponentById(int objectid) const |
| 932 | { |
| 933 | Q_ASSERT(d); |
| 934 | return d->objectIdToICType.value(akey: objectid, adefaultValue: QQmlType(nullptr)); |
| 935 | } |
| 936 | |
| 937 | int QQmlType::generatePlaceHolderICId() const |
| 938 | { |
| 939 | Q_ASSERT(d); |
| 940 | int id = -2; |
| 941 | for (auto it = d->objectIdToICType.keyBegin(); it != d->objectIdToICType.keyEnd(); ++it) |
| 942 | if (*it < id) |
| 943 | id = *it; |
| 944 | return id; |
| 945 | } |
| 946 | |
| 947 | void QQmlType::associateInlineComponent(const QString &name, int objectID, const CompositeMetaTypeIds &metaTypeIds, QQmlType existingType) |
| 948 | { |
| 949 | bool const reuseExistingType = existingType.isValid(); |
| 950 | auto priv = reuseExistingType ? const_cast<QQmlTypePrivate *>(existingType.d.data()) : new QQmlTypePrivate { RegistrationType::InlineComponentType } ; |
| 951 | priv->setName( uri: QString::fromUtf8(str: typeName()), element: name); |
| 952 | auto icUrl = QUrl(sourceUrl()); |
| 953 | icUrl.setFragment(fragment: QString::number(objectID)); |
| 954 | priv->extraData.id->url = icUrl; |
| 955 | priv->extraData.id->containingType = d.data(); |
| 956 | priv->extraData.id->objectId = objectID; |
| 957 | priv->typeId = metaTypeIds.id; |
| 958 | priv->listId = metaTypeIds.listId; |
| 959 | d->namesToInlineComponentObjectIndex.insert(akey: name, avalue: objectID); |
| 960 | QQmlType icType(priv); |
| 961 | d->objectIdToICType.insert(akey: objectID, avalue: icType); |
| 962 | if (!reuseExistingType) |
| 963 | priv->release(); |
| 964 | } |
| 965 | |
| 966 | void QQmlType::setPendingResolutionName(const QString &name) |
| 967 | { |
| 968 | Q_ASSERT(d && d->regType == QQmlType::RegistrationType::InlineComponentType); |
| 969 | Q_ASSERT(d->extraData.id->inlineComponentName == name|| d->extraData.id->inlineComponentName.isEmpty()); |
| 970 | d->extraData.id->inlineComponentName = name; |
| 971 | } |
| 972 | |
| 973 | QString QQmlType::pendingResolutionName() const |
| 974 | { |
| 975 | Q_ASSERT(d && d->regType == QQmlType::RegistrationType::InlineComponentType); |
| 976 | return d->extraData.id->inlineComponentName; |
| 977 | } |
| 978 | |
| 979 | QT_END_NAMESPACE |
| 980 | |