diff options
| -rw-r--r-- | src/declarative/util/qdeclarativexmllistmodel.cpp | 67 |
1 files changed, 28 insertions, 39 deletions
diff --git a/src/declarative/util/qdeclarativexmllistmodel.cpp b/src/declarative/util/qdeclarativexmllistmodel.cpp index c79baa4..a61ac06 100644 --- a/src/declarative/util/qdeclarativexmllistmodel.cpp +++ b/src/declarative/util/qdeclarativexmllistmodel.cpp @@ -144,6 +144,7 @@ struct XmlQueryJob QList<void*> roleQueryErrorId; // the ptr to send back if there is an error QStringList keyRoleQueries; QStringList keyRoleResultsCache; + QString prefix; }; class QDeclarativeXmlQuery : public QObject @@ -172,6 +173,12 @@ public: } int doQuery(QString query, QString namespaces, QByteArray data, QList<QDeclarativeXmlListModelRole *>* roleObjects, QStringList keyRoleResultsCache) { + { + QMutexLocker m1(&m_mutex); + m_queryIds.ref(); + if (m_queryIds <= 0) + m_queryIds = 1; + } XmlQueryJob job; job.queryId = m_queryIds; @@ -194,9 +201,6 @@ public: { QMutexLocker ml(&m_mutex); m_jobs.insert(m_queryIds, job); - m_queryIds++; - if (m_queryIds <= 0) - m_queryIds = 1; } QMetaObject::invokeMethod(this, "processQuery", Qt::QueuedConnection, Q_ARG(int, job.queryId)); @@ -214,20 +218,15 @@ private slots: job = m_jobs.value(queryId); } - QDeclarativeXmlQueryResult r; - doQueryJob(&job); - doSubQueryJob(&job); - r.queryId = job.queryId; - r.size = m_size; - r.data = m_modelData; - r.inserted = m_insertedItemRanges; - r.removed = m_removedItemRanges; - r.keyRoleResultsCache = job.keyRoleResultsCache; + QDeclarativeXmlQueryResult result; + result.queryId = job.queryId; + doQueryJob(&job, &result); + doSubQueryJob(&job, &result); { QMutexLocker ml(&m_mutex); if (m_jobs.contains(queryId)) { - emit queryCompleted(r); + emit queryCompleted(result); m_jobs.remove(queryId); } } @@ -241,8 +240,8 @@ protected: private: - void doQueryJob(XmlQueryJob* job); - void doSubQueryJob(XmlQueryJob* job); + void doQueryJob(XmlQueryJob *job, QDeclarativeXmlQueryResult *currentResult); + void doSubQueryJob(XmlQueryJob *job, QDeclarativeXmlQueryResult *currentResult); void getValuesOfKeyRoles(const XmlQueryJob& currentJob, QStringList *values, QXmlQuery *query) const; void addIndexToRangeList(QList<QDeclarativeXmlListRange> *ranges, int index) const; @@ -250,17 +249,12 @@ private: QMutex m_mutex; QThread m_thread; QMap<int, XmlQueryJob> m_jobs; - int m_queryIds; - QString m_prefix; - int m_size; - QList<QList<QVariant> > m_modelData; - QList<QDeclarativeXmlListRange> m_insertedItemRanges; - QList<QDeclarativeXmlListRange> m_removedItemRanges; + QAtomicInt m_queryIds; }; Q_GLOBAL_STATIC(QDeclarativeXmlQuery, globalXmlQuery) -void QDeclarativeXmlQuery::doQueryJob(XmlQueryJob* currentJob) +void QDeclarativeXmlQuery::doQueryJob(XmlQueryJob *currentJob, QDeclarativeXmlQueryResult *currentResult) { Q_ASSERT(currentJob->queryId != -1); @@ -295,10 +289,8 @@ void QDeclarativeXmlQuery::doQueryJob(XmlQueryJob* currentJob) } currentJob->data = xml; - m_prefix = namespaces + prefix + QLatin1Char('/'); - m_size = 0; - if (count > 0) - m_size = count; + currentJob->prefix = namespaces + prefix + QLatin1Char('/'); + currentResult->size = (count > 0 ? count : 0); } void QDeclarativeXmlQuery::getValuesOfKeyRoles(const XmlQueryJob& currentJob, QStringList *values, QXmlQuery *query) const @@ -306,9 +298,9 @@ void QDeclarativeXmlQuery::getValuesOfKeyRoles(const XmlQueryJob& currentJob, QS const QStringList &keysQueries = currentJob.keyRoleQueries; QString keysQuery; if (keysQueries.count() == 1) - keysQuery = m_prefix + keysQueries[0]; + keysQuery = currentJob.prefix + keysQueries[0]; else if (keysQueries.count() > 1) - keysQuery = m_prefix + QLatin1String("concat(") + keysQueries.join(QLatin1String(",")) + QLatin1String(")"); + keysQuery = currentJob.prefix + QLatin1String("concat(") + keysQueries.join(QLatin1String(",")) + QLatin1String(")"); if (!keysQuery.isEmpty()) { query->setQuery(keysQuery); @@ -331,10 +323,9 @@ void QDeclarativeXmlQuery::addIndexToRangeList(QList<QDeclarativeXmlListRange> * ranges->append(qMakePair(index, 1)); } -void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob* currentJob) +void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob *currentJob, QDeclarativeXmlQueryResult *currentResult) { Q_ASSERT(currentJob->queryId != -1); - m_modelData.clear(); QBuffer b(¤tJob->data); b.open(QIODevice::ReadOnly); @@ -347,16 +338,14 @@ void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob* currentJob) // See if any values of key roles have been inserted or removed. - m_insertedItemRanges.clear(); - m_removedItemRanges.clear(); if (currentJob->keyRoleResultsCache.isEmpty()) { - m_insertedItemRanges << qMakePair(0, m_size); + currentResult->inserted << qMakePair(0, currentResult->size); } else { if (keyRoleResults != currentJob->keyRoleResultsCache) { QStringList temp; for (int i=0; i<currentJob->keyRoleResultsCache.count(); i++) { if (!keyRoleResults.contains(currentJob->keyRoleResultsCache[i])) - addIndexToRangeList(&m_removedItemRanges, i); + addIndexToRangeList(¤tResult->removed, i); else temp << currentJob->keyRoleResultsCache[i]; } @@ -364,12 +353,12 @@ void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob* currentJob) for (int i=0; i<keyRoleResults.count(); i++) { if (temp.count() == i || keyRoleResults[i] != temp[i]) { temp.insert(i, keyRoleResults[i]); - addIndexToRangeList(&m_insertedItemRanges, i); + addIndexToRangeList(¤tResult->inserted, i); } } } } - currentJob->keyRoleResultsCache = keyRoleResults; + currentResult->keyRoleResultsCache = keyRoleResults; // Get the new values for each role. //### we might be able to condense even further (query for everything in one go) @@ -377,7 +366,7 @@ void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob* currentJob) for (int i = 0; i < queries.size(); ++i) { QList<QVariant> resultList; if (!queries[i].isEmpty()) { - subquery.setQuery(m_prefix + QLatin1String("(let $v := string(") + queries[i] + QLatin1String(") return if ($v) then ") + queries[i] + QLatin1String(" else \"\")")); + subquery.setQuery(currentJob->prefix + QLatin1String("(let $v := string(") + queries[i] + QLatin1String(") return if ($v) then ") + queries[i] + QLatin1String(" else \"\")")); if (subquery.isValid()) { QXmlResultItems resultItems; subquery.evaluateTo(&resultItems); @@ -391,9 +380,9 @@ void QDeclarativeXmlQuery::doSubQueryJob(XmlQueryJob* currentJob) } } //### should warn here if things have gone wrong. - while (resultList.count() < m_size) + while (resultList.count() < currentResult->size) resultList << QVariant(); - m_modelData << resultList; + currentResult->data << resultList; b.seek(0); } |