diff options
Diffstat (limited to 'lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb')
-rw-r--r-- | lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb new file mode 100644 index 00000000000..9b239c29ea4 --- /dev/null +++ b/lib/gitlab/ci/pipeline/expression/lexeme/pattern.rb @@ -0,0 +1,33 @@ +module Gitlab + module Ci + module Pipeline + module Expression + module Lexeme + require_dependency 're2' + + class Pattern < Lexeme::Value + PATTERN = %r{^/.+/[ismU]*$}.freeze + + def initialize(regexp) + @value = regexp + + unless Gitlab::UntrustedRegexp.valid?(@value) + raise Lexer::SyntaxError, 'Invalid regular expression!' + end + end + + def evaluate(variables = {}) + Gitlab::UntrustedRegexp.fabricate(@value) + rescue RegexpError + raise Expression::RuntimeError, 'Invalid regular expression!' + end + + def self.build(string) + new(string) + end + end + end + end + end + end +end |