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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Transforms
class VariableRule < Rule
class Parser < TwitterCldr::Parsers::Parser
private
def do_parse(options)
var_name = name
next_token(:equals)
var_value = value
[var_name, var_value]
end
def name
current_token.value.tap do
next_token(:variable)
end
end
def value
[].tap do |value_parts|
until current_token.type == :semicolon
value_parts << current_token
next_token(current_token.type)
end
end
end
end
class << self
def parse(rule_text, symbol_table, index)
cleaned_rule_text = Rule.remove_comment(rule_text)
tokens = tokenizer.tokenize(cleaned_rule_text)
var_name, value_tokens = parser.parse(tokens)
VariableRule.new(
var_name, replace_symbols(
value_tokens, symbol_table
)
)
end
def accepts?(rule_text)
!!(rule_text =~ /\A[\s]*\$[\w]+[\s]*=/)
end
private
def parser
@parser ||= Parser.new
end
def tokenizer
@tokenizer ||= TwitterCldr::Transforms::Tokenizer.new
end
end
attr_reader :name, :value_tokens
def initialize(name, value)
@name = name
@value_tokens = value
end
def is_variable?
true
end
end
end
end
Version data entries
41 entries across 41 versions & 2 rubygems