- Qt 6.9
- Qt Core
- C++ Classes
- QXmlStreamNamespaceDeclaration
- Qt 6.9.3 Reference Documentation

# QXmlStreamNamespaceDeclaration Class

The QXmlStreamNamespaceDeclaration class represents a namespace declaration. More...

Header: | `#include <QXmlStreamNamespaceDeclaration>`
CMake: | `find_package(Qt6 REQUIRED COMPONENTS Core)` `target_link_libraries(mytarget PRIVATE Qt6::Core)`
qmake: | `QT += core`

- List of all members, including inherited members
- QXmlStreamNamespaceDeclaration is part of XML Classes.

This class is equality-comparable.

Note: All functions in this class are reentrant.

## Public Functions

| QXmlStreamNamespaceDeclaration()
| QXmlStreamNamespaceDeclaration(const QString &prefix, const QString &namespaceUri)
QStringView | namespaceUri() const
QStringView | prefix() const

## Related Non-Members

| QXmlStreamNamespaceDeclarations
bool | operator!=(const QXmlStreamNamespaceDeclaration &lhs, const QXmlStreamNamespaceDeclaration &rhs)
bool | operator==(const QXmlStreamNamespaceDeclaration &lhs, const QXmlStreamNamespaceDeclaration &rhs)

## Detailed Description

An namespace declaration consists of a prefix() and a namespaceUri().

## Member Function Documentation

### QXmlStreamNamespaceDeclaration::QXmlStreamNamespaceDeclaration()

Creates an empty namespace declaration.

### QXmlStreamNamespaceDeclaration::QXmlStreamNamespaceDeclaration(const QString &prefix, const QString &namespaceUri)

Creates a namespace declaration with prefix and namespaceUri.

### QStringView QXmlStreamNamespaceDeclaration::namespaceUri() const

Returns the namespaceUri.

### QStringView QXmlStreamNamespaceDeclaration::prefix() const

Returns the prefix.

## Related Non-Members

### QXmlStreamNamespaceDeclarations

Synonym for QList<QXmlStreamNamespaceDeclaration>.

### `[noexcept]` bool operator!=(const QXmlStreamNamespaceDeclaration &lhs, const QXmlStreamNamespaceDeclaration &rhs)

Compares lhs namespace declaration with rhs and returns `true` if they are not equal; otherwise returns `false`.

### `[noexcept]` bool operator==(const QXmlStreamNamespaceDeclaration &lhs, const QXmlStreamNamespaceDeclaration &rhs)

Compares lhs namespace declaration with rhs and returns `true` if they are equal; otherwise returns `false`.