From 5e908ff47a3b8766fef36ad19364e9291a53af0f Mon Sep 17 00:00:00 2001
From: Andrei Kislichenko <android.2net@gmail.com>
Date: Wed, 7 Dec 2022 20:43:03 -0500
Subject: [PATCH] add RelatonBib#gramma_hash method

---
 lib/relaton_bib.rb         | 7 +++++++
 lib/relaton_bib/version.rb | 2 +-
 spec/relaton_bib_spec.rb   | 6 ++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/relaton_bib.rb b/lib/relaton_bib.rb
index 6f6423d..02cc571 100644
--- a/lib/relaton_bib.rb
+++ b/lib/relaton_bib.rb
@@ -79,6 +79,13 @@ def parse_yaml(yaml, classes = [])
     end
   end
 
+  def self.grammar_hash
+    gem_path = File.expand_path "..", __dir__
+    grammars_path = File.join gem_path, "grammars", "*"
+    grammars = Dir[grammars_path].sort.map { |gp| File.read gp }.join
+    Digest::MD5.hexdigest grammars
+  end
+
   private
 
   # @param array [Array]
diff --git a/lib/relaton_bib/version.rb b/lib/relaton_bib/version.rb
index 7424f70..a8c70ee 100644
--- a/lib/relaton_bib/version.rb
+++ b/lib/relaton_bib/version.rb
@@ -1,3 +1,3 @@
 module RelatonBib
-  VERSION = "1.14.0".freeze
+  VERSION = "1.14.1".freeze
 end
diff --git a/spec/relaton_bib_spec.rb b/spec/relaton_bib_spec.rb
index 46bb3b6..3a1e1fa 100644
--- a/spec/relaton_bib_spec.rb
+++ b/spec/relaton_bib_spec.rb
@@ -3,6 +3,12 @@
     expect(RelatonBib::VERSION).not_to be nil
   end
 
+  it "returns grammar hash" do
+    hash = RelatonBib.grammar_hash
+    expect(hash).to be_instance_of String
+    expect(hash.size).to eq 32
+  end
+
   context "parse date" do
     it "February 2012" do
       expect(RelatonBib.parse_date("February 2012")).to eq "2012-02"