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Diffstat (limited to 'doc/src/snippets/code/doc_src_containers.qdoc')
-rw-r--r-- | doc/src/snippets/code/doc_src_containers.qdoc | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_containers.qdoc b/doc/src/snippets/code/doc_src_containers.qdoc new file mode 100644 index 0000000..9d6ba8d --- /dev/null +++ b/doc/src/snippets/code/doc_src_containers.qdoc @@ -0,0 +1,235 @@ +//! [0] +class Employee +{ +public: + Employee() {} + Employee(const Employee &other); + + Employee &operator=(const Employee &other); + +private: + QString myName; + QDate myDateOfBirth; +}; +//! [0] + + +//! [1] +QList<QString> list; +list << "A" << "B" << "C" << "D"; + +QListIterator<QString> i(list); +while (i.hasNext()) + qDebug() << i.next(); +//! [1] + + +//! [2] +QListIterator<QString> i(list); +i.toBack(); +while (i.hasPrevious()) + qDebug() << i.previous(); +//! [2] + + +//! [3] +QMutableListIterator<int> i(list); +while (i.hasNext()) { + if (i.next() % 2 != 0) + i.remove(); +} +//! [3] + + +//! [4] +QMutableListIterator<int> i(list); +i.toBack(); +while (i.hasPrevious()) { + if (i.previous() % 2 != 0) + i.remove(); +} +//! [4] + + +//! [5] +QMutableListIterator<int> i(list); +while (i.hasNext()) { + if (i.next() > 128) + i.setValue(128); +} +//! [5] + + +//! [6] +QMutableListIterator<int> i(list); +while (i.hasNext()) + i.next() *= 2; +//! [6] + + +//! [7] +QMap<QString, QString> map; +map.insert("Paris", "France"); +map.insert("Guatemala City", "Guatemala"); +map.insert("Mexico City", "Mexico"); +map.insert("Moscow", "Russia"); +... + +QMutableMapIterator<QString, QString> i(map); +while (i.hasNext()) { + if (i.next().key().endsWith("City")) + i.remove(); +} +//! [7] + + +//! [8] +QMap<int, QWidget *> map; +QHash<int, QWidget *> hash; + +QMapIterator<int, QWidget *> i(map); +while (i.hasNext()) { + i.next(); + hash.insert(i.key(), i.value()); +} +//! [8] + + +//! [9] +QMutableMapIterator<int, QWidget *> i(map); +while (i.findNext(widget)) + i.remove(); +//! [9] + + +//! [10] +QList<QString> list; +list << "A" << "B" << "C" << "D"; + +QList<QString>::iterator i; +for (i = list.begin(); i != list.end(); ++i) + *i = (*i).toLower(); +//! [10] + + +//! [11] +QList<QString> list; +list << "A" << "B" << "C" << "D"; + +QList<QString>::iterator i = list.end(); +while (i != list.begin()) { + --i; + *i = (*i).toLower(); +} +//! [11] + + +//! [12] +QList<QString>::const_iterator i; +for (i = list.constBegin(); i != list.constEnd(); ++i) + qDebug() << *i; +//! [12] + + +//! [13] +QMap<int, int> map; +... +QMap<int, int>::const_iterator i; +for (i = map.constBegin(); i != map.constEnd(); ++i) + qDebug() << i.key() << ":" << i.value(); +//! [13] + + +//! [14] +// RIGHT +const QList<int> sizes = splitter->sizes(); +QList<int>::const_iterator i; +for (i = sizes.begin(); i != sizes.end(); ++i) + ... + +// WRONG +QList<int>::const_iterator i; +for (i = splitter->sizes().begin(); + i != splitter->sizes().end(); ++i) + ... +//! [14] + + +//! [15] +QLinkedList<QString> list; +... +QString str; +foreach (str, list) + qDebug() << str; +//! [15] + + +//! [16] +QLinkedList<QString> list; +... +QLinkedListIterator<QString> i(list); +while (i.hasNext()) + qDebug() << i.next(); +//! [16] + + +//! [17] +QLinkedList<QString> list; +... +foreach (QString str, list) + qDebug() << str; +//! [17] + + +//! [18] +QLinkedList<QString> list; +... +foreach (QString str, list) { + if (str.isEmpty()) + break; + qDebug() << str; +} +//! [18] + + +//! [19] +QMap<QString, int> map; +... +foreach (QString str, map.keys()) + qDebug() << str << ":" << map.value(str); +//! [19] + + +//! [20] +QMultiMap<QString, int> map; +... +foreach (QString str, map.uniqueKeys()) { + foreach (int i, map.values(str)) + qDebug() << str << ":" << i; +} +//! [20] + + +//! [21] +forever { + ... +} +//! [21] + + +//! [22] +CONFIG += no_keywords +//! [22] + + +//! [23] +QString onlyLetters(const QString &in) +{ + QString out; + for (int j = 0; j < in.size(); ++j) { + if (in[j].isLetter()) + out += in[j]; + } + return out; +} +//! [23] |