lib/jsonpath.rb in jsonpath-1.1.3 vs lib/jsonpath.rb in jsonpath-1.1.4

@@ -10,29 +10,31 @@
 
 # JsonPath: initializes the class with a given JsonPath and parses that path
 # into a token array.
 class JsonPath
   PATH_ALL = '$..*'
+  MAX_NESTING_ALLOWED = 100
 
   DEFAULT_OPTIONS = {
     :default_path_leaf_to_null => false,
     :symbolize_keys => false,
     :use_symbols => false,
     :allow_send => true,
-    :max_nesting => 100
+    :max_nesting => MAX_NESTING_ALLOWED
   }
 
   attr_accessor :path
 
   def initialize(path, opts = {})
     @opts = DEFAULT_OPTIONS.merge(opts)
+    set_max_nesting
     scanner = StringScanner.new(path.strip)
     @path = []
     until scanner.eos?
       if (token = scanner.scan(/\$\B|@\B|\*|\.\./))
         @path << token
-      elsif (token = scanner.scan(/[$@a-zA-Z0-9:{}_-]+/))
+      elsif (token = scanner.scan(/[$@\p{Alnum}:{}_ -]+/))
         @path << "['#{token}']"
       elsif (token = scanner.scan(/'(.*?)'/))
         @path << "[#{token}]"
       elsif (token = scanner.scan(/\[/))
         @path << find_matching_brackets(token, scanner)
@@ -83,11 +85,11 @@
         e.each_with_object({}) { |(k, v), memo| memo[k.to_sym] = v; }
       end
     end
     a
   end
-  
+
   def self.fetch_all_path(obj)
     all_paths = ['$']
     find_path(obj, '$', all_paths, obj.class == Array)
     return all_paths
   end
@@ -143,7 +145,12 @@
     obj_or_str.is_a?(String) ? MultiJson.decode(obj_or_str, max_nesting: opts[:max_nesting]) : obj_or_str
   end
 
   def deep_clone
     Marshal.load Marshal.dump(self)
+  end
+
+  def set_max_nesting
+    return unless @opts[:max_nesting].is_a?(Integer) && @opts[:max_nesting] > MAX_NESTING_ALLOWED
+    @opts[:max_nesting] = false
   end
 end