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ex_cldr

0.0.15
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Common Locale Data Repository (CLDR) functions for Elixir to localize and format numbers, dates, lists, messages, languages, territories and units with support for over 700 locales for internationalized (i18n) and localized (L10N) applications.

Retired package: Deprecated

Current section

Files

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ex_cldr lib cldr number rbnf rule.ex
Raw

lib/cldr/number/rbnf/rule.ex

defmodule Cldr.Rbnf.Rule do
@moduledoc """
Tokenizer and Parser for RBNF rules.
"""
defstruct [:base_value, :radix, :definition, :range, :divisor]
alias Cldr.Rbnf.Rule
@doc """
Scan and tokenize rule definition
Using a leex lexer, tokenize a rule definition
"""
def tokenize(definition) when is_binary(definition) do
definition
|> String.trim_leading("'")
|> String.to_charlist
|> :rbnf_lexer.string
end
def tokenize(%Rule{definition: definition} = _rule) do
tokenize(definition)
end
@doc """
Parse an RBNF rule definition
Returns a list of rule subparts that can then be used for
further processing or for turning into an AST for execution.
"""
def parse(definition) when is_binary(definition) do
{:ok, tokens, _end_line} = tokenize(definition)
parse(tokens)
end
def parse([]) do
{:ok, []}
end
def parse(tokens) when is_list(tokens) do
tokens
|> :rbnf_parser.parse
end
end