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Versions: 18
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Contents
module CloudSesame
module Query
module AST
class Value
RANGE_FORMAT = /\A(\[|{)(.*),(.*)(\}|\])\z/
DIGIT_FORMAT = /\A\d+(.\d+)?\z/
SINGLE_QUATE = /\'/
ESCAPE_QUATE = "\\'"
attr_reader :data
def self.parse(value)
return value if value.kind_of? AST::Value
return AST::NumericValue.new(value) if value.is_a?(Numeric) || (value.is_a?(String) && DIGIT_FORMAT =~ value)
return AST::DateValue.new(value) if value.kind_of?(Date) || value.kind_of?(Time)
return AST::RangeValue.new(value) if value.kind_of?(Range) || (value.is_a?(String) && RANGE_FORMAT =~ value)
AST::Value.new(value)
end
def initialize(data)
@data = data
end
def compile
updated? ? recompile : @compiled
end
def to_s
compile
end
def ==(value)
value == data || value == compile
end
private
def updated?
@compiled_data != @data
end
def recompile
@compiled_data = @data
@compiled = escape @compiled_data
end
def escape(data)
"'#{ data.gsub(SINGLE_QUATE) { ESCAPE_QUATE } }'"
end
def strip(string)
string.tr(" ", "")
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems