Cldr.AcceptLanguage.parse-exclamation-mark
You're seeing just the function
parse-exclamation-mark
, go back to Cldr.AcceptLanguage module for more information.
Parses an Accept-Language
header value in its string
or tokenized form to produce a list of tuples of the form
[{quality, %Cldr.LanguageTag{}}, ...]
sorted by quality
in decending order.
accept-language
is any string in the format defined by rfc2616
Returns:
{:ok, [{quality, language_tag}, ...]}
orraises a
Cldr.AcceptLanguageError
exception
If at least one valid language tag is found but errors are also
detected on one more more tags, an {ok, list}
tuple is returned
wuth an error tuple for each invalid tag added at the end of the list.
Example
iex> Cldr.AcceptLanguage.parse!("da,zh-TW;q=0.3", TestBackend.Cldr)
[
{1.0,
%Cldr.LanguageTag{
backend: TestBackend.Cldr,
canonical_locale_name: "da",
cldr_locale_name: "da",
language_subtags: [],
extensions: %{},
gettext_locale_name: nil,
language: "da",
locale: %{},
private_use: [],
rbnf_locale_name: "da",
requested_locale_name: "da",
script: :Latn,
territory: :DK,
transform: %{},
language_variants: []
}},
{0.3,
%Cldr.LanguageTag{
backend: TestBackend.Cldr,
canonical_locale_name: "zh-TW",
cldr_locale_name: "zh-Hant",
language_subtags: [],
extensions: %{},
gettext_locale_name: nil,
language: "zh",
locale: %{},
private_use: [],
rbnf_locale_name: "zh-Hant",
requested_locale_name: "zh-TW",
script: :Hant,
territory: :TW,
transform: %{},
language_variants: []
}}
]
Cldr.AcceptLanguage.parse! "invalid_tag"
** (Cldr.AcceptLanguageError) "Expected a BCP47 language tag. Could not parse the remaining "g" starting at position 11
(ex_cldr) lib/cldr/accept_language.ex:304: Cldr.AcceptLanguage.parse!/1
iex> Cldr.AcceptLanguage.parse!("da,zh-TW;q=0.3,invalid_tag", TestBackend.Cldr)
[
{1.0,
%Cldr.LanguageTag{
backend: TestBackend.Cldr,
canonical_locale_name: "da",
cldr_locale_name: "da",
language_subtags: [],
extensions: %{},
gettext_locale_name: nil,
language: "da",
locale: %{},
private_use: [],
rbnf_locale_name: "da",
requested_locale_name: "da",
script: :Latn,
territory: :DK,
transform: %{},
language_variants: []
}},
{0.3,
%Cldr.LanguageTag{
backend: TestBackend.Cldr,
canonical_locale_name: "zh-TW",
cldr_locale_name: "zh-Hant",
language_subtags: [],
extensions: %{},
gettext_locale_name: nil,
language: "zh",
locale: %{},
private_use: [],
rbnf_locale_name: "zh-Hant",
requested_locale_name: "zh-TW",
script: :Hant,
territory: :TW,
transform: %{},
language_variants: []
}},
{:error,
{Cldr.LanguageTag.ParseError,
"Expected a BCP47 language tag. Could not parse the remaining \"g\" starting at position 11"}}
]