Merge pull request #9 from stevekeay/ruby3

Fix to be compatible with ruby3.x as well as ruby2.x

Author: Ben Miller

ios_parser.gemspec

@@ -19,6 +19,8 @@ Gem::Specification.new do |s|
     s.extensions << 'ext/ios_parser/c_lexer/extconf.rb'
   end
 
+  s.required_ruby_version = '>=2.0'
+
   s.add_development_dependency 'rake-compiler', '~>0.9'
   s.add_development_dependency 'rspec', '~>3.2'
   s.add_development_dependency 'rubocop', '~> 0.54' if RUBY_VERSION > '2.1'

lib/ios_parser/ios.rb

@@ -46,7 +46,7 @@ def command(parent = nil, document = nil)
         indent: @indent
       }
 
-      Command.new(opts).tap do |cmd|
+      Command.new(**opts).tap do |cmd|
         cmd.commands = subsections(cmd)
       end
     end

lib/ios_parser/ios/command.rb

@@ -64,7 +64,7 @@ def inspect
 
       def to_s(dedent: false)
         indent_opts = { base: dedent ? path.length : 0 }
-        map { |cmd| "#{cmd.indentation(indent_opts)}#{cmd.line}\n" }.join
+        map { |cmd| "#{cmd.indentation(**indent_opts)}#{cmd.line}\n" }.join
       end
 
       def to_hash
@@ -92,7 +92,7 @@ def from_hash(hash, parent = nil)
           hash[:commands].each_index do |i|
             hash[:commands][i] = from_hash(hash[:commands][i])
           end
-          new(hash)
+          new(**hash)
         end
       end
     end # class Command

lib/ios_parser/version.rb

@@ -1,7 +1,7 @@
 module IOSParser
   class << self
     def version
-      '0.7.1'
+      '0.8.0'
     end
   end
 end

spec/lib/ios_parser_spec.rb

@@ -3,6 +3,20 @@
 
 describe IOSParser do
   describe '.parse' do
+    context 'with blank line at start' do
+      it 'parses and extracts sections' do
+        parser = IOSParser.parse("\ntest config")
+        expect(parser.find_all(name: "test").count).to eq 1
+      end
+    end
+
+    context 'with blank line in middle' do
+      it 'parses and extracts sections' do
+        parser = IOSParser.parse("preamble\n\ntest config")
+        expect(parser.find_all(name: "test").count).to eq 1
+      end
+    end
+
     context 'indented region' do
       let(:input) { <<-END.unindent }
         policy-map mypolicy_in