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Diffstat (limited to 'src/declarative/qml/qdeclarativeimport.cpp')
| -rw-r--r-- | src/declarative/qml/qdeclarativeimport.cpp | 1079 |
1 files changed, 1079 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeimport.cpp b/src/declarative/qml/qdeclarativeimport.cpp new file mode 100644 index 0000000000..e8d593fd1a --- /dev/null +++ b/src/declarative/qml/qdeclarativeimport.cpp @@ -0,0 +1,1079 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativeimport_p.h" + +#include <QtCore/qdebug.h> +#include <QtCore/qdir.h> +#include <QtCore/qfileinfo.h> +#include <QtCore/qpluginloader.h> +#include <QtCore/qlibraryinfo.h> +#include <QtDeclarative/qdeclarativeextensioninterface.h> +#include <private/qdeclarativeglobal_p.h> +#include <private/qdeclarativetypenamecache_p.h> +#include <private/qdeclarativeengine_p.h> + +#ifdef Q_OS_SYMBIAN +#include "private/qcore_symbian_p.h" +#endif + +QT_BEGIN_NAMESPACE + +DEFINE_BOOL_CONFIG_OPTION(qmlImportTrace, QML_IMPORT_TRACE) +DEFINE_BOOL_CONFIG_OPTION(qmlCheckTypes, QML_CHECK_TYPES) + +static bool greaterThan(const QString &s1, const QString &s2) +{ + return s1 > s2; +} + +typedef QMap<QString, QString> StringStringMap; +Q_GLOBAL_STATIC(StringStringMap, qmlEnginePluginsWithRegisteredTypes); // stores the uri + +class QDeclarativeImportedNamespace +{ +public: + QStringList uris; + QStringList urls; + QList<int> majversions; + QList<int> minversions; + QList<bool> isLibrary; + QList<QDeclarativeDirComponents> qmlDirComponents; + + + bool find_helper(int i, const QByteArray& type, int *vmajor, int *vminor, + QDeclarativeType** type_return, QUrl* url_return, + QUrl *base = 0, bool *typeRecursionDetected = 0); + bool find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return, + QUrl* url_return, QUrl *base = 0, QString *errorString = 0); +}; + +class QDeclarativeImportsPrivate { +public: + QDeclarativeImportsPrivate(); + ~QDeclarativeImportsPrivate(); + + bool importExtension(const QString &absoluteFilePath, const QString &uri, + QDeclarativeImportDatabase *database, QDeclarativeDirComponents* components, + QString *errorString); + + QString resolvedUri(const QString &dir_arg, QDeclarativeImportDatabase *database); + bool add(const QDeclarativeDirComponents &qmldircomponentsnetwork, + const QString& uri_arg, const QString& prefix, + int vmaj, int vmin, QDeclarativeScriptParser::Import::Type importType, + QDeclarativeImportDatabase *database, QString *errorString); + bool find(const QByteArray& type, int *vmajor, int *vminor, + QDeclarativeType** type_return, QUrl* url_return, QString *errorString); + + QDeclarativeImportedNamespace *findNamespace(const QString& type); + + QUrl base; + int ref; + + QSet<QString> qmlDirFilesForWhichPluginsHaveBeenLoaded; + QDeclarativeImportedNamespace unqualifiedset; + QHash<QString,QDeclarativeImportedNamespace* > set; +}; + +/*! +\class QDeclarativeImports +\brief The QDeclarativeImports class encapsulates one QML document's import statements. +\internal +*/ +QDeclarativeImports::QDeclarativeImports(const QDeclarativeImports ©) +: d(copy.d) +{ + ++d->ref; +} + +QDeclarativeImports & +QDeclarativeImports::operator =(const QDeclarativeImports ©) +{ + ++copy.d->ref; + if (--d->ref == 0) + delete d; + d = copy.d; + return *this; +} + +QDeclarativeImports::QDeclarativeImports() +: d(new QDeclarativeImportsPrivate) +{ +} + +QDeclarativeImports::~QDeclarativeImports() +{ + if (--d->ref == 0) + delete d; +} + +/*! + Sets the base URL to be used for all relative file imports added. +*/ +void QDeclarativeImports::setBaseUrl(const QUrl& url) +{ + d->base = url; +} + +/*! + Returns the base URL to be used for all relative file imports added. +*/ +QUrl QDeclarativeImports::baseUrl() const +{ + return d->base; +} + +static QDeclarativeTypeNameCache * +cacheForNamespace(QDeclarativeEngine *engine, const QDeclarativeImportedNamespace &set, + QDeclarativeTypeNameCache *cache) +{ + if (!cache) + cache = new QDeclarativeTypeNameCache(engine); + + QList<QDeclarativeType *> types = QDeclarativeMetaType::qmlTypes(); + + for (int ii = 0; ii < set.uris.count(); ++ii) { + QByteArray base = set.uris.at(ii).toUtf8() + '/'; + int major = set.majversions.at(ii); + int minor = set.minversions.at(ii); + + foreach (QDeclarativeType *type, types) { + if (type->qmlTypeName().startsWith(base) && + type->qmlTypeName().lastIndexOf('/') == (base.length() - 1) && + type->availableInVersion(major,minor)) + { + QString name = QString::fromUtf8(type->qmlTypeName().mid(base.length())); + + cache->add(name, type); + } + } + } + + return cache; +} + +void QDeclarativeImports::populateCache(QDeclarativeTypeNameCache *cache, QDeclarativeEngine *engine) const +{ + const QDeclarativeImportedNamespace &set = d->unqualifiedset; + + for (QHash<QString,QDeclarativeImportedNamespace* >::ConstIterator iter = d->set.begin(); + iter != d->set.end(); ++iter) { + + QDeclarativeTypeNameCache::Data *d = cache->data(iter.key()); + if (d) { + if (!d->typeNamespace) + cacheForNamespace(engine, *(*iter), d->typeNamespace); + } else { + QDeclarativeTypeNameCache *nc = cacheForNamespace(engine, *(*iter), 0); + cache->add(iter.key(), nc); + nc->release(); + } + } + + cacheForNamespace(engine, set, cache); +} + +/*! + \internal + + The given (namespace qualified) \a type is resolved to either + \list + \o a QDeclarativeImportedNamespace stored at \a ns_return, + \o a QDeclarativeType stored at \a type_return, or + \o a component located at \a url_return. + \endlist + + If any return pointer is 0, the corresponding search is not done. + + \sa addImport() +*/ +bool QDeclarativeImports::resolveType(const QByteArray& type, + QDeclarativeType** type_return, QUrl* url_return, int *vmaj, int *vmin, + QDeclarativeImportedNamespace** ns_return, QString *errorString) const +{ + QDeclarativeImportedNamespace* ns = d->findNamespace(QString::fromUtf8(type)); + if (ns) { + if (ns_return) + *ns_return = ns; + return true; + } + if (type_return || url_return) { + if (d->find(type,vmaj,vmin,type_return,url_return, errorString)) { + if (qmlImportTrace()) { + if (type_return && *type_return && url_return && !url_return->isEmpty()) + qDebug().nospace() << "QDeclarativeImports(" << qPrintable(baseUrl().toString()) << ")" << "::resolveType: " + << type << " => " << (*type_return)->typeName() << " " << *url_return; + if (type_return && *type_return) + qDebug().nospace() << "QDeclarativeImports(" << qPrintable(baseUrl().toString()) << ")" << "::resolveType: " + << type << " => " << (*type_return)->typeName(); + if (url_return && !url_return->isEmpty()) + qDebug().nospace() << "QDeclarativeImports(" << qPrintable(baseUrl().toString()) << ")" << "::resolveType: " + << type << " => " << *url_return; + } + return true; + } + } + return false; +} + +/*! + \internal + + Searching \e only in the namespace \a ns (previously returned in a call to + resolveType(), \a type is found and returned to either + a QDeclarativeType stored at \a type_return, or + a component located at \a url_return. + + If either return pointer is 0, the corresponding search is not done. +*/ +bool QDeclarativeImports::resolveType(QDeclarativeImportedNamespace* ns, const QByteArray& type, + QDeclarativeType** type_return, QUrl* url_return, + int *vmaj, int *vmin) const +{ + return ns->find(type,vmaj,vmin,type_return,url_return); +} + +bool QDeclarativeImportedNamespace::find_helper(int i, const QByteArray& type, int *vmajor, int *vminor, + QDeclarativeType** type_return, QUrl* url_return, + QUrl *base, bool *typeRecursionDetected) +{ + int vmaj = majversions.at(i); + int vmin = minversions.at(i); + + QByteArray qt = uris.at(i).toUtf8(); + qt += '/'; + qt += type; + + QDeclarativeType *t = QDeclarativeMetaType::qmlType(qt,vmaj,vmin); + if (t) { + if (vmajor) *vmajor = vmaj; + if (vminor) *vminor = vmin; + if (type_return) + *type_return = t; + return true; + } + + QUrl url = QUrl(urls.at(i) + QLatin1Char('/') + QString::fromUtf8(type) + QLatin1String(".qml")); + QDeclarativeDirComponents qmldircomponents = qmlDirComponents.at(i); + + bool typeWasDeclaredInQmldir = false; + if (!qmldircomponents.isEmpty()) { + const QString typeName = QString::fromUtf8(type); + foreach (const QDeclarativeDirParser::Component &c, qmldircomponents) { + if (c.typeName == typeName) { + typeWasDeclaredInQmldir = true; + + // importing version -1 means import ALL versions + if ((vmaj == -1) || (c.majorVersion < vmaj || (c.majorVersion == vmaj && vmin >= c.minorVersion))) { + QUrl candidate = url.resolved(QUrl(c.fileName)); + if (c.internal && base) { + if (base->resolved(QUrl(c.fileName)) != candidate) + continue; // failed attempt to access an internal type + } + if (base && *base == candidate) { + if (typeRecursionDetected) + *typeRecursionDetected = true; + continue; // no recursion + } + if (url_return) + *url_return = candidate; + return true; + } + } + } + } + + if (!typeWasDeclaredInQmldir && !isLibrary.at(i)) { + // XXX search non-files too! (eg. zip files, see QT-524) + QFileInfo f(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url)); + if (f.exists()) { + if (base && *base == url) { // no recursion + if (typeRecursionDetected) + *typeRecursionDetected = true; + } else { + if (url_return) + *url_return = url; + return true; + } + } + } + return false; +} + +QDeclarativeImportsPrivate::QDeclarativeImportsPrivate() +: ref(1) +{ +} + +QDeclarativeImportsPrivate::~QDeclarativeImportsPrivate() +{ + foreach (QDeclarativeImportedNamespace* s, set.values()) + delete s; +} + +bool QDeclarativeImportsPrivate::importExtension(const QString &absoluteFilePath, const QString &uri, + QDeclarativeImportDatabase *database, + QDeclarativeDirComponents* components, QString *errorString) +{ + QFile file(absoluteFilePath); + QString filecontent; + if (!QDeclarative_isFileCaseCorrect(absoluteFilePath)) { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("cannot load module \"%1\": File name case mismatch for \"%2\"").arg(uri).arg(absoluteFilePath); + return false; + } else if (file.open(QFile::ReadOnly)) { + filecontent = QString::fromUtf8(file.readAll()); + if (qmlImportTrace()) + qDebug().nospace() << "QDeclarativeImports(" << qPrintable(base.toString()) << "::importExtension: " + << "loaded " << absoluteFilePath; + } else { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("module \"%1\" definition \"%2\" not readable").arg(uri).arg(absoluteFilePath); + return false; + } + QDir dir = QFileInfo(file).dir(); + + QDeclarativeDirParser qmldirParser; + qmldirParser.setSource(filecontent); + qmldirParser.parse(); + + if (! qmlDirFilesForWhichPluginsHaveBeenLoaded.contains(absoluteFilePath)) { + qmlDirFilesForWhichPluginsHaveBeenLoaded.insert(absoluteFilePath); + + + foreach (const QDeclarativeDirParser::Plugin &plugin, qmldirParser.plugins()) { + + QString resolvedFilePath = database->resolvePlugin(dir, plugin.path, plugin.name); +#if defined(QT_LIBINFIX) && defined(Q_OS_SYMBIAN) + if (resolvedFilePath.isEmpty()) { + // In case of libinfixed build, attempt to load libinfixed version, too. + QString infixedPluginName = plugin.name + QLatin1String(QT_LIBINFIX); + resolvedFilePath = database->resolvePlugin(dir, plugin.path, infixedPluginName); + } +#endif + if (!resolvedFilePath.isEmpty()) { + if (!database->importPlugin(resolvedFilePath, uri, errorString)) { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("plugin cannot be loaded for module \"%1\": %2").arg(uri).arg(*errorString); + return false; + } + } else { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("module \"%1\" plugin \"%2\" not found").arg(uri).arg(plugin.name); + return false; + } + } + } + + if (components) + *components = qmldirParser.components(); + + return true; +} + +QString QDeclarativeImportsPrivate::resolvedUri(const QString &dir_arg, QDeclarativeImportDatabase *database) +{ + QString dir = dir_arg; + if (dir.endsWith(QLatin1Char('/')) || dir.endsWith(QLatin1Char('\\'))) + dir.chop(1); + + QStringList paths = database->fileImportPath; + qSort(paths.begin(), paths.end(), greaterThan); // Ensure subdirs preceed their parents. + + QString stableRelativePath = dir; + foreach(const QString &path, paths) { + if (dir.startsWith(path)) { + stableRelativePath = dir.mid(path.length()+1); + break; + } + } + + stableRelativePath.replace(QLatin1Char('\\'), QLatin1Char('/')); + + // remove optional versioning in dot notation from uri + int lastSlash = stableRelativePath.lastIndexOf(QLatin1Char('/')); + if (lastSlash >= 0) { + int versionDot = stableRelativePath.indexOf(QLatin1Char('.'), lastSlash); + if (versionDot >= 0) + stableRelativePath = stableRelativePath.left(versionDot); + } + + stableRelativePath.replace(QLatin1Char('/'), QLatin1Char('.')); + return stableRelativePath; +} + +bool QDeclarativeImportsPrivate::add(const QDeclarativeDirComponents &qmldircomponentsnetwork, + const QString& uri_arg, const QString& prefix, int vmaj, int vmin, + QDeclarativeScriptParser::Import::Type importType, + QDeclarativeImportDatabase *database, QString *errorString) +{ + QDeclarativeDirComponents qmldircomponents = qmldircomponentsnetwork; + QString uri = uri_arg; + QDeclarativeImportedNamespace *s; + if (prefix.isEmpty()) { + s = &unqualifiedset; + } else { + s = set.value(prefix); + if (!s) + set.insert(prefix,(s=new QDeclarativeImportedNamespace)); + } + + QString url = uri; + bool versionFound = false; + if (importType == QDeclarativeScriptParser::Import::Library) { + url.replace(QLatin1Char('.'), QLatin1Char('/')); + bool found = false; + QString dir; + + + // step 1: search for extension with fully encoded version number + if (vmaj >= 0 && vmin >= 0) { + foreach (const QString &p, database->fileImportPath) { + dir = p+QLatin1Char('/')+url; + + QFileInfo fi(dir+QString(QLatin1String(".%1.%2")).arg(vmaj).arg(vmin)+QLatin1String("/qmldir")); + const QString absoluteFilePath = fi.absoluteFilePath(); + + if (fi.isFile()) { + found = true; + + url = QUrl::fromLocalFile(fi.absolutePath()).toString(); + uri = resolvedUri(dir, database); + if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString)) + return false; + break; + } + } + } + // step 2: search for extension with encoded version major + if (vmaj >= 0 && vmin >= 0) { + foreach (const QString &p, database->fileImportPath) { + dir = p+QLatin1Char('/')+url; + + QFileInfo fi(dir+QString(QLatin1String(".%1")).arg(vmaj)+QLatin1String("/qmldir")); + const QString absoluteFilePath = fi.absoluteFilePath(); + + if (fi.isFile()) { + found = true; + + url = QUrl::fromLocalFile(fi.absolutePath()).toString(); + uri = resolvedUri(dir, database); + if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString)) + return false; + break; + } + } + } + if (!found) { + // step 3: search for extension without version number + + foreach (const QString &p, database->fileImportPath) { + dir = p+QLatin1Char('/')+url; + + QFileInfo fi(dir+QLatin1String("/qmldir")); + const QString absoluteFilePath = fi.absoluteFilePath(); + + if (fi.isFile()) { + found = true; + + url = QUrl::fromLocalFile(fi.absolutePath()).toString(); + uri = resolvedUri(dir, database); + if (!importExtension(absoluteFilePath, uri, database, &qmldircomponents, errorString)) + return false; + break; + } + } + } + + if (QDeclarativeMetaType::isModule(uri.toUtf8(), vmaj, vmin)) + versionFound = true; + + if (!versionFound && qmldircomponents.isEmpty()) { + if (errorString) { + bool anyversion = QDeclarativeMetaType::isModule(uri.toUtf8(), -1, -1); + if (anyversion) + *errorString = QDeclarativeImportDatabase::tr("module \"%1\" version %2.%3 is not installed").arg(uri_arg).arg(vmaj).arg(vmin); + else + *errorString = QDeclarativeImportDatabase::tr("module \"%1\" is not installed").arg(uri_arg); + } + return false; + } + } else { + + if (importType == QDeclarativeScriptParser::Import::File && qmldircomponents.isEmpty()) { + QUrl importUrl = base.resolved(QUrl(uri + QLatin1String("/qmldir"))); + QString localFileOrQrc = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(importUrl); + if (!localFileOrQrc.isEmpty()) { + QString dir = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))); + QFileInfo dirinfo(dir); + if (dir.isEmpty() || !dirinfo.exists() || !dirinfo.isDir()) { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("\"%1\": no such directory").arg(uri_arg); + return false; // local import dirs must exist + } + uri = resolvedUri(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))), database); + if (uri.endsWith(QLatin1Char('/'))) + uri.chop(1); + if (QFile::exists(localFileOrQrc)) { + if (!importExtension(localFileOrQrc,uri,database,&qmldircomponents,errorString)) + return false; + } + } else { + if (prefix.isEmpty()) { + // directory must at least exist for valid import + QString localFileOrQrc = QDeclarativeEnginePrivate::urlToLocalFileOrQrc(base.resolved(QUrl(uri))); + QFileInfo dirinfo(localFileOrQrc); + if (localFileOrQrc.isEmpty() || !dirinfo.exists() || !dirinfo.isDir()) { + if (errorString) { + if (localFileOrQrc.isEmpty()) + *errorString = QDeclarativeImportDatabase::tr("import \"%1\" has no qmldir and no namespace").arg(uri); + else + *errorString = QDeclarativeImportDatabase::tr("\"%1\": no such directory").arg(uri); + } + return false; + } + } + } + } + + url = base.resolved(QUrl(url)).toString(); + if (url.endsWith(QLatin1Char('/'))) + url.chop(1); + } + + if (!versionFound && vmaj > -1 && vmin > -1 && !qmldircomponents.isEmpty()) { + QList<QDeclarativeDirParser::Component>::ConstIterator it = qmldircomponents.begin(); + int lowest_maj = INT_MAX; + int lowest_min = INT_MAX; + int highest_maj = INT_MIN; + int highest_min = INT_MIN; + for (; it != qmldircomponents.end(); ++it) { + if (it->majorVersion > highest_maj || (it->majorVersion == highest_maj && it->minorVersion > highest_min)) { + highest_maj = it->majorVersion; + highest_min = it->minorVersion; + } + if (it->majorVersion < lowest_maj || (it->majorVersion == lowest_maj && it->minorVersion < lowest_min)) { + lowest_maj = it->majorVersion; + lowest_min = it->minorVersion; + } + } + if (lowest_maj > vmaj || (lowest_maj == vmaj && lowest_min > vmin) + || highest_maj < vmaj || (highest_maj == vmaj && highest_min < vmin)) + { + *errorString = QDeclarativeImportDatabase::tr("module \"%1\" version %2.%3 is not installed").arg(uri_arg).arg(vmaj).arg(vmin); + return false; + } + } + + s->uris.prepend(uri); + s->urls.prepend(url); + s->majversions.prepend(vmaj); + s->minversions.prepend(vmin); + s->isLibrary.prepend(importType == QDeclarativeScriptParser::Import::Library); + s->qmlDirComponents.prepend(qmldircomponents); + return true; +} + +bool QDeclarativeImportsPrivate::find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return, + QUrl* url_return, QString *errorString) +{ + QDeclarativeImportedNamespace *s = 0; + int slash = type.indexOf('/'); + if (slash >= 0) { + QString namespaceName = QString::fromUtf8(type.left(slash)); + s = set.value(namespaceName); + if (!s) { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("- %1 is not a namespace").arg(namespaceName); + return false; + } + int nslash = type.indexOf('/',slash+1); + if (nslash > 0) { + if (errorString) + *errorString = QDeclarativeImportDatabase::tr("- nested namespaces not allowed"); + return false; + } + } else { + s = &unqualifiedset; + } + QByteArray unqualifiedtype = slash < 0 ? type : type.mid(slash+1); // common-case opt (QString::mid works fine, but slower) + if (s) { + if (s->find(unqualifiedtype,vmajor,vminor,type_return,url_return, &base, errorString)) + return true; + if (s->urls.count() == 1 && !s->isLibrary[0] && url_return && s != &unqualifiedset) { + // qualified, and only 1 url + *url_return = QUrl(s->urls[0]+QLatin1Char('/')).resolved(QUrl(QString::fromUtf8(unqualifiedtype) + QLatin1String(".qml"))); + return true; + } + } + + return false; +} + +QDeclarativeImportedNamespace *QDeclarativeImportsPrivate::findNamespace(const QString& type) +{ + return set.value(type); +} + +bool QDeclarativeImportedNamespace::find(const QByteArray& type, int *vmajor, int *vminor, QDeclarativeType** type_return, + QUrl* url_return, QUrl *base, QString *errorString) +{ + bool typeRecursionDetected = false; + for (int i=0; i<urls.count(); ++i) { + if (find_helper(i, type, vmajor, vminor, type_return, url_return, base, &typeRecursionDetected)) { + if (qmlCheckTypes()) { + // check for type clashes + for (int j = i+1; j<urls.count(); ++j) { + if (find_helper(j, type, vmajor, vminor, 0, 0, base)) { + if (errorString) { + QString u1 = urls.at(i); + QString u2 = urls.at(j); + if (base) { + QString b = base->toString(); + int slash = b.lastIndexOf(QLatin1Char('/')); + if (slash >= 0) { + b = b.left(slash+1); + QString l = b.left(slash); + if (u1.startsWith(b)) + u1 = u1.mid(b.count()); + else if (u1 == l) + u1 = QDeclarativeImportDatabase::tr("local directory"); + if (u2.startsWith(b)) + u2 = u2.mid(b.count()); + else if (u2 == l) + u2 = QDeclarativeImportDatabase::tr("local directory"); + } + } + + if (u1 != u2) + *errorString + = QDeclarativeImportDatabase::tr("is ambiguous. Found in %1 and in %2") + .arg(u1).arg(u2); + else + *errorString + = QDeclarativeImportDatabase::tr("is ambiguous. Found in %1 in version %2.%3 and %4.%5") + .arg(u1) + .arg(majversions.at(i)).arg(minversions.at(i)) + .arg(majversions.at(j)).arg(minversions.at(j)); + } + return false; + } + } + } + return true; + } + } + if (errorString) { + if (typeRecursionDetected) + *errorString = QDeclarativeImportDatabase::tr("is instantiated recursively"); + else + *errorString = QDeclarativeImportDatabase::tr("is not a type"); + } + return false; +} + +/*! +\class QDeclarativeImportDatabase +\brief The QDeclarativeImportDatabase class manages the QML imports for a QDeclarativeEngine. +\internal +*/ +QDeclarativeImportDatabase::QDeclarativeImportDatabase(QDeclarativeEngine *e) +: engine(e) +{ + filePluginPath << QLatin1String("."); + + // Search order is applicationDirPath(), $QML_IMPORT_PATH, QLibraryInfo::ImportsPath + +#ifndef QT_NO_SETTINGS + QString installImportsPath = QLibraryInfo::location(QLibraryInfo::ImportsPath); + +#if defined(Q_OS_SYMBIAN) + // Append imports path for all available drives in Symbian + if (installImportsPath.at(1) != QChar(QLatin1Char(':'))) { + QString tempPath = installImportsPath; + if (tempPath.at(tempPath.length() - 1) != QDir::separator()) { + tempPath += QDir::separator(); + } + RFs& fs = qt_s60GetRFs(); + TPtrC tempPathPtr(reinterpret_cast<const TText*> (tempPath.constData())); + TFindFile finder(fs); + TInt err = finder.FindByDir(tempPathPtr, tempPathPtr); + while (err == KErrNone) { + QString foundDir(reinterpret_cast<const QChar *>(finder.File().Ptr()), + finder.File().Length()); + foundDir = QDir(foundDir).canonicalPath(); + addImportPath(foundDir); + err = finder.Find(); + } + } else { + addImportPath(installImportsPath); + } +#else + addImportPath(installImportsPath); +#endif + +#endif // QT_NO_SETTINGS + + // env import paths + QByteArray envImportPath = qgetenv("QML_IMPORT_PATH"); + if (!envImportPath.isEmpty()) { +#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN) + QLatin1Char pathSep(';'); +#else + QLatin1Char pathSep(':'); +#endif + QStringList paths = QString::fromLatin1(envImportPath).split(pathSep, QString::SkipEmptyParts); + for (int ii = paths.count() - 1; ii >= 0; --ii) + addImportPath(paths.at(ii)); + } + + addImportPath(QCoreApplication::applicationDirPath()); +} + +QDeclarativeImportDatabase::~QDeclarativeImportDatabase() +{ +} + +/*! + \internal + + Adds information to \a imports such that subsequent calls to resolveType() + will resolve types qualified by \a prefix by considering types found at the given \a uri. + + The uri is either a directory (if importType is FileImport), or a URI resolved using paths + added via addImportPath() (if importType is LibraryImport). + + The \a prefix may be empty, in which case the import location is considered for + unqualified types. + + The base URL must already have been set with Import::setBaseUrl(). +*/ +bool QDeclarativeImports::addImport(QDeclarativeImportDatabase *importDb, + const QString& uri, const QString& prefix, int vmaj, int vmin, + QDeclarativeScriptParser::Import::Type importType, + const QDeclarativeDirComponents &qmldircomponentsnetwork, + QString *errorString) +{ + if (qmlImportTrace()) + qDebug().nospace() << "QDeclarativeImports(" << qPrintable(baseUrl().toString()) << ")" << "::addImport: " + << uri << " " << vmaj << '.' << vmin << " " + << (importType==QDeclarativeScriptParser::Import::Library? "Library" : "File") + << " as " << prefix; + + return d->add(qmldircomponentsnetwork, uri, prefix, vmaj, vmin, importType, importDb, errorString); +} + +/*! + \internal + + Returns the result of the merge of \a baseName with \a path, \a suffixes, and \a prefix. + The \a prefix must contain the dot. + + \a qmldirPath is the location of the qmldir file. + */ +QString QDeclarativeImportDatabase::resolvePlugin(const QDir &qmldirPath, const QString &qmldirPluginPath, + const QString &baseName, const QStringList &suffixes, + const QString &prefix) +{ + QStringList searchPaths = filePluginPath; + bool qmldirPluginPathIsRelative = QDir::isRelativePath(qmldirPluginPath); + if (!qmldirPluginPathIsRelative) + searchPaths.prepend(qmldirPluginPath); + + foreach (const QString &pluginPath, searchPaths) { + + QString resolvedPath; + + if (pluginPath == QLatin1String(".")) { + if (qmldirPluginPathIsRelative) + resolvedPath = qmldirPath.absoluteFilePath(qmldirPluginPath); + else + resolvedPath = qmldirPath.absolutePath(); + } else { + resolvedPath = pluginPath; + } + + // hack for resources, should probably go away + if (resolvedPath.startsWith(QLatin1Char(':'))) + resolvedPath = QCoreApplication::applicationDirPath(); + + QDir dir(resolvedPath); + foreach (const QString &suffix, suffixes) { + QString pluginFileName = prefix; + + pluginFileName += baseName; + pluginFileName += suffix; + + QFileInfo fileInfo(dir, pluginFileName); + + if (fileInfo.exists()) + return fileInfo.absoluteFilePath(); + } + } + + if (qmlImportTrace()) + qDebug() << "QDeclarativeImportDatabase::resolvePlugin: Could not resolve plugin" << baseName + << "in" << qmldirPath.absolutePath(); + + return QString(); +} + +/*! + \internal + + Returns the result of the merge of \a baseName with \a dir and the platform suffix. + + \table + \header \i Platform \i Valid suffixes + \row \i Windows \i \c .dll + \row \i Unix/Linux \i \c .so + \row \i AIX \i \c .a + \row \i HP-UX \i \c .sl, \c .so (HP-UXi) + \row \i Mac OS X \i \c .dylib, \c .bundle, \c .so + \row \i Symbian \i \c .dll + \endtable + + Version number on unix are ignored. +*/ +QString QDeclarativeImportDatabase::resolvePlugin(const QDir &qmldirPath, const QString &qmldirPluginPath, + const QString &baseName) +{ +#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) + return resolvePlugin(qmldirPath, qmldirPluginPath, baseName, + QStringList() +# ifdef QT_DEBUG + << QLatin1String("d.dll") // try a qmake-style debug build first +# endif + << QLatin1String(".dll")); +#elif defined(Q_OS_SYMBIAN) + return resolvePlugin(qmldirPath, qmldirPluginPath, baseName, + QStringList() + << QLatin1String(".dll") + << QLatin1String(".qtplugin")); +#else + +# if defined(Q_OS_DARWIN) + + return resolvePlugin(qmldirPath, qmldirPluginPath, baseName, + QStringList() +# ifdef QT_DEBUG + << QLatin1String("_debug.dylib") // try a qmake-style debug build first + << QLatin1String(".dylib") +# else + << QLatin1String(".dylib") + << QLatin1String("_debug.dylib") // try a qmake-style debug build after +# endif + << QLatin1String(".so") + << QLatin1String(".bundle"), + QLatin1String("lib")); +# else // Generic Unix + QStringList validSuffixList; + +# if defined(Q_OS_HPUX) +/* + See "HP-UX Linker and Libraries User's Guide", section "Link-time Differences between PA-RISC and IPF": + "In PA-RISC (PA-32 and PA-64) shared libraries are suffixed with .sl. In IPF (32-bit and 64-bit), + the shared libraries are suffixed with .so. For compatibility, the IPF linker also supports the .sl suffix." + */ + validSuffixList << QLatin1String(".sl"); +# if defined __ia64 + validSuffixList << QLatin1String(".so"); +# endif +# elif defined(Q_OS_AIX) + validSuffixList << QLatin1String(".a") << QLatin1String(".so"); +# elif defined(Q_OS_UNIX) + validSuffixList << QLatin1String(".so"); +# endif + + // Examples of valid library names: + // libfoo.so + + return resolvePlugin(qmldirPath, qmldirPluginPath, baseName, validSuffixList, QLatin1String("lib")); +# endif + +#endif +} + +/*! + \internal +*/ +QStringList QDeclarativeImportDatabase::pluginPathList() const +{ + return filePluginPath; +} + +/*! + \internal +*/ +void QDeclarativeImportDatabase::setPluginPathList(const QStringList &paths) +{ + filePluginPath = paths; +} + +/*! + \internal +*/ +void QDeclarativeImportDatabase::addPluginPath(const QString& path) +{ + if (qmlImportTrace()) + qDebug().nospace() << "QDeclarativeImportDatabase::addPluginPath: " << path; + + QUrl url = QUrl(path); + if (url.isRelative() || url.scheme() == QLatin1String("file") + || (url.scheme().length() == 1 && QFile::exists(path)) ) { // windows path + QDir dir = QDir(path); + filePluginPath.prepend(dir.canonicalPath()); + } else { + filePluginPath.prepend(path); + } +} + +/*! + \internal +*/ +void QDeclarativeImportDatabase::addImportPath(const QString& path) +{ + if (qmlImportTrace()) + qDebug().nospace() << "QDeclarativeImportDatabase::addImportPath: " << path; + + if (path.isEmpty()) + return; + + QUrl url = QUrl(path); + QString cPath; + + if (url.isRelative() || url.scheme() == QLatin1String("file") + || (url.scheme().length() == 1 && QFile::exists(path)) ) { // windows path + QDir dir = QDir(path); + cPath = dir.canonicalPath(); + } else { + cPath = path; + cPath.replace(QLatin1Char('\\'), QLatin1Char('/')); + } + + if (!cPath.isEmpty() + && !fileImportPath.contains(cPath)) + fileImportPath.prepend(cPath); +} + +/*! + \internal +*/ +QStringList QDeclarativeImportDatabase::importPathList() const +{ + return fileImportPath; +} + +/*! + \internal +*/ +void QDeclarativeImportDatabase::setImportPathList(const QStringList &paths) +{ + fileImportPath = paths; +} + +/*! + \internal +*/ +bool QDeclarativeImportDatabase::importPlugin(const QString &filePath, const QString &uri, QString *errorString) +{ + if (qmlImportTrace()) + qDebug().nospace() << "QDeclarativeImportDatabase::importPlugin: " << uri << " from " << filePath; + +#ifndef QT_NO_LIBRARY + QFileInfo fileInfo(filePath); + const QString absoluteFilePath = fileInfo.absoluteFilePath(); + + bool engineInitialized = initializedPlugins.contains(absoluteFilePath); + bool typesRegistered = qmlEnginePluginsWithRegisteredTypes()->contains(absoluteFilePath); + + if (typesRegistered) { + Q_ASSERT_X(qmlEnginePluginsWithRegisteredTypes()->value(absoluteFilePath) == uri, + "QDeclarativeImportDatabase::importExtension", + "Internal error: Plugin imported previously with different uri"); + } + + if (!engineInitialized || !typesRegistered) { + if (!QDeclarative_isFileCaseCorrect(absoluteFilePath)) { + if (errorString) + *errorString = tr("File name case mismatch for \"%2\"").arg(absoluteFilePath); + return false; + } + QPluginLoader loader(absoluteFilePath); + + if (!loader.load()) { + if (errorString) + *errorString = loader.errorString(); + return false; + } + + if (QDeclarativeExtensionInterface *iface = qobject_cast<QDeclarativeExtensionInterface *>(loader.instance())) { + + const QByteArray bytes = uri.toUtf8(); + const char *moduleId = bytes.constData(); + if (!typesRegistered) { + + // ### this code should probably be protected with a mutex. + qmlEnginePluginsWithRegisteredTypes()->insert(absoluteFilePath, uri); + iface->registerTypes(moduleId); + } + if (!engineInitialized) { + // things on the engine (eg. adding new global objects) have to be done for every engine. + + // protect against double initialization + initializedPlugins.insert(absoluteFilePath); + iface->initializeEngine(engine, moduleId); + } + } else { + if (errorString) + *errorString = loader.errorString(); + return false; + } + } + + return true; +#else + return false; +#endif +} + + +QT_END_NAMESPACE |