GUPnPDIDLLiteWriter: GUPnP A/V Reference Manual

## GUPnPDIDLLiteWriter GUPnPDIDLLiteWriter — DIDL-Lite fragment writer |

## Functions

GUPnPDIDLLiteWriter * | gupnp_didl_lite_writer_new ()
GUPnPDIDLLiteItem * | gupnp_didl_lite_writer_add_item ()
GUPnPDIDLLiteContainer * | gupnp_didl_lite_writer_add_container ()
GUPnPDIDLLiteDescriptor * | gupnp_didl_lite_writer_add_descriptor ()
xmlNode * | gupnp_didl_lite_writer_get_xml_node ()
char * | gupnp_didl_lite_writer_get_string ()
const char * | gupnp_didl_lite_writer_get_language ()
void | gupnp_didl_lite_writer_filter ()

## Types and Values

| GUPnPDIDLLiteWriter

## Description

GUPnPDIDLLiteWriter is a helper class for writing DIDL-Lite fragments.

## Functions

### gupnp_didl_lite_writer_new ()

    GUPnPDIDLLiteWriter *
    gupnp_didl_lite_writer_new (const char *language);

Note: `language` should always be set to `NULL`, DLNA does not support the language parameter.

#### Parameters

language | The language the DIDL-Lite fragment is in, or `NULL`. | [allow-none]

#### Returns

A new GUPnPDIDLLiteWriter object.

### gupnp_didl_lite_writer_add_item ()

    GUPnPDIDLLiteItem *
    gupnp_didl_lite_writer_add_item (GUPnPDIDLLiteWriter *writer);

Creates a new item, attaches it to `writer` and returns it.

#### Parameters

writer | A GUPnPDIDLLiteWriter |

#### Returns

A new GUPnPDIDLLiteItem object. Unref after usage.

[transfer full]

### gupnp_didl_lite_writer_add_container ()

    GUPnPDIDLLiteContainer *
    gupnp_didl_lite_writer_add_container (GUPnPDIDLLiteWriter *writer);

Creates a new container, attaches it to `writer` and returns it.

#### Parameters

writer | A GUPnPDIDLLiteWriter |

#### Returns

A new GUPnPDIDLLiteContainer object. Unref after usage.

[transfer full]

### gupnp_didl_lite_writer_add_descriptor ()

    GUPnPDIDLLiteDescriptor *
    gupnp_didl_lite_writer_add_descriptor (GUPnPDIDLLiteWriter *writer);

Creates a new descriptor, attaches it to `object` and returns it.

#### Parameters

writer | A GUPnPDIDLLiteWriter |

#### Returns

A new GUPnPDIDLLiteDescriptor object. Unref after usage.

[transfer full]

### gupnp_didl_lite_writer_get_xml_node ()

    xmlNode *
    gupnp_didl_lite_writer_get_xml_node (GUPnPDIDLLiteWriter *writer);

Get the pointer to root node in XML document.

#### Parameters

writer | The GUPnPDIDLLiteWriter |

#### Returns

The pointer to root node in XML document.

[transfer none]

### gupnp_didl_lite_writer_get_string ()

    char *
    gupnp_didl_lite_writer_get_string (GUPnPDIDLLiteWriter *writer);

Creates a string representation of the DIDL-Lite XML document.

#### Parameters

writer | A GUPnPDIDLLiteWriter |

#### Returns

The DIDL-Lite XML string, or `NULL`. g_free after usage.

### gupnp_didl_lite_writer_get_language ()

    const char *
    gupnp_didl_lite_writer_get_language (GUPnPDIDLLiteWriter *writer);

Get the language the DIDL-Lite fragment is in.

#### Parameters

writer | GUPnPDIDLLiteWriter |

#### Returns

The language of the `writer` , or `NULL`.

[transfer none]

### gupnp_didl_lite_writer_filter ()

    void
    gupnp_didl_lite_writer_filter (GUPnPDIDLLiteWriter *writer,
                                   const char *filter);

Clears the DIDL-Lite XML document of the properties not specified in the `filter` . The passed filter string would typically come from the 'Filter' argument of Browse or Search actions from a ContentDirectory control point. Please refer to Section 2.3.15 of UPnP AV ContentDirectory version 3 specification for details on this string.

#### Parameters

writer | A GUPnPDIDLLiteWriter |
filter | A filter string |

## Types and Values

### GUPnPDIDLLiteWriter

    typedef struct _GUPnPDIDLLiteWriter GUPnPDIDLLiteWriter;