39 lines
959 B
Ruby
39 lines
959 B
Ruby
# frozen_string_literal: true
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module Gitlab
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module Ci
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module Pipeline
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module Expression
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module Lexeme
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require_dependency 're2'
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class Pattern < Lexeme::Value
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PATTERN = %r{^\/([^\/]|\\/)+[^\\]\/[ismU]*}.freeze
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def initialize(regexp)
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@value = regexp.gsub(/\\\//, '/')
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unless Gitlab::UntrustedRegexp::RubySyntax.valid?(@value)
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raise Lexer::SyntaxError, 'Invalid regular expression!'
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end
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end
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def evaluate(variables = {})
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Gitlab::UntrustedRegexp::RubySyntax.fabricate!(@value)
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rescue RegexpError
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raise Expression::RuntimeError, 'Invalid regular expression!'
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end
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def self.pattern
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PATTERN
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end
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def self.build(string)
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new(string)
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end
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end
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end
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end
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end
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end
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end
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