View Source Cldr.Calendar.Preference (Cldr Calendars v1.26.1)

Summary

Functions

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calendar_for_locale(locale)

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This function is deprecated. Use calendar_from_locale/1.

See Cldr.Calendar.Preference.calendar_from_locale/1.

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calendar_for_territory(territory)

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This function is deprecated. Use calendar_from_territory/1.

See Cldr.Calendar.Preference.calendar_from_territory/1.

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calendar_from_locale(locale \\ Cldr.get_locale())

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Return the calendar module for a locale.

Arguments

  • :locale is any locale or locale name validated by Cldr.validate_locale/2. The default is Cldr.get_locale() which returns the locale set for the current process.

Returns

  • {:ok, calendar_module} or

  • {:error, {exception, reason}}

Examples

iex> Cldr.Calendar.Preference.calendar_from_locale(:"en-GB")
{:ok, Cldr.Calendar.GB}

iex> Cldr.Calendar.Preference.calendar_from_locale("en-GB-u-ca-gregory")
{:ok, Cldr.Calendar.Gregorian}

iex> Cldr.Calendar.Preference.calendar_from_locale(:en)
{:ok, Cldr.Calendar.US}

iex> Cldr.Calendar.Preference.calendar_from_locale(:"fa-IR")
{:ok, Cldr.Calendar.Persian}

iex> Cldr.Calendar.Preference.calendar_from_locale("fa-IR-u-ca-gregory")
{:ok, Cldr.Calendar.Gregorian}
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calendar_from_locale(locale, backend)

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calendar_from_name(name)

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calendar_from_territory(territory)

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Returns the calendar module preferred for a territory.

Arguments

  • territory is any valid ISO3166-2 code as an String.t or upcased atom()

Returns

  • {:ok, calendar_module} or

  • {:error, {exception, reason}}

Examples

iex> Cldr.Calendar.Preference.calendar_from_territory :US
{:ok, Cldr.Calendar.US}

iex> Cldr.Calendar.Preference.calendar_from_territory :YY
{:error, {Cldr.UnknownTerritoryError, "The territory :YY is unknown"}}

Notes

The overwhelming majority of territories have :gregorian as their first preferred calendar and therefore Cldr.Calendar.Gregorian will be returned for most territories.

Returning any other calendar module would require:

  1. That another calendar is preferred over :gregorian for a territory

  2. That a calendar module is available to support that calendar.

As an example, Iran (territory :IR) prefers the :persian calendar. If the optional library ex_cldr_calendars_persian is installed, the calendar module Cldr.Calendar.Persian will be returned. If it is not installed, Cldr.Calendar.Gregorian will be returned as :gregorian is the second preference for :IR.

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calendar_from_territory(territory, calendar)

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calendar_module(calendar)

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