lib/licensee/matchers/gemspec.rb in licensee-9.6.0 vs lib/licensee/matchers/gemspec.rb in licensee-9.7.0

@@ -1,20 +1,46 @@
 module Licensee
   module Matchers
     class Gemspec < Licensee::Matchers::Package
+      # a value is a string surrounded by any amount of whitespace
+      # optionally ended with (non-captured) ".freeze"
+      VALUE_REGEX = /\s*[\'\"]([a-z\-0-9\.]+)[\'\"](?:\.freeze)?\s*/i
+
+      # an array contains one or more values. all values, or array itself,
+      # can be surrounded by any amount of whitespace.  do not capture
+      # non-value groups
+      ARRAY_REGEX = /\s*\[#{VALUE_REGEX}(?:,#{VALUE_REGEX})*\]\s*/i
+
       DECLARATION_REGEX = /
-        ^\s*[a-z0-9_]+\.([a-z0-9_]+)\s*\=\s*[\'\"]([a-z\-0-9\.]+)[\'\"]\s*$
-        /ix
+        ^\s*[a-z0-9_]+\.([a-z0-9_]+)\s*\=#{VALUE_REGEX}$
+      /ix
 
       LICENSE_REGEX = /
-           ^\s*[a-z0-9_]+\.license\s*\=\s*[\'\"]([a-z\-0-9\.]+)[\'\"]\s*$
-           /ix
+        ^\s*[a-z0-9_]+\.license\s*\=#{VALUE_REGEX}$
+      /ix
 
+      LICENSE_ARRAY_REGEX = /
+        ^\s*[a-z0-9_]+\.licenses\s*\=#{ARRAY_REGEX}$
+      /ix
+
       private
 
       def license_property
         match = @file.content.match LICENSE_REGEX
-        match[1].downcase if match && match[1]
+        return match[1].downcase if match && match[1]
+
+        # check for a licenses array property
+        licenses = license_array_property
+        return unless licenses
+
+        # use 'other' if array contains multiple licenses
+        return 'other' unless licenses.size == 1
+        licenses[0]
+      end
+
+      def license_array_property
+        match = @file.content.match LICENSE_ARRAY_REGEX
+        match.captures.compact.map(&:downcase) if match
       end
 
       def declarations
         @declarations ||= @file.content.match DECLARATION_REGEX
       end