View Source z_url_metadata (zotonic_stdlib v1.20.3)

Discover metadata about an url.

Summary

Types

metadata/0

Functions

fetch(Url)

Fetch metadata information for the URL

fetch(Url, Options)

filename(Url, Hs)

header(H, Url_metadata)

html_meta(Data)

p(Ks, MD)

Fetch properties of the fetched metadata

Types

metadata/0

-type metadata() ::
          #url_metadata{final_url :: binary(),
                        content_type :: binary(),
                        content_type_options :: list(),
                        content_length :: integer(),
                        metadata :: list(),
                        is_index_page :: boolean(),
                        headers :: list(),
                        partial_data :: binary()}.

Functions

fetch(Url)

-spec fetch(binary() | string()) -> {ok, metadata()} | {error, term()}.

Fetch metadata information for the URL

fetch(Url, Options)

-spec fetch(binary() | string(), z_url_fetch:options()) -> {ok, metadata()} | {error, term()}.

filename(Url, Hs)

-spec filename(binary() | string(), list()) -> binary() | undefined.

html_meta(Data)

p(Ks, MD)

-spec p(atom() | binary() | [atom() | binary()], metadata()) -> [binary()] | binary() | undefined.

Fetch properties of the fetched metadata