add add String#to_tab_heading

README.md

@@ -78,8 +78,9 @@ Or install it yourself as:
 |[TbpgrUtils String#say](#stringsay)                                                                                |say string                                                                                                           |
 |[TbpgrUtils String#stripe](#stringstripe)                                                                          |stripe string                                                                                                        |
 |[TbpgrUtils String#surround](#stringsurround)                                                                      |surround string                                                                                                      |
-|[TbpgrUtils String#to_space2_heading](#stringto_space2_heading)                                                    |create space2-format heading string with Emmet-like grammar                                                                        |
-|[TbpgrUtils String#to_space4_heading](#stringto_space4_heading)                                                    |create space4-format heading string with Emmet-like grammar                                                                        |
+|[TbpgrUtils String#to_space2_heading](#stringto_space2_heading)                                                    |create space2-format heading string with Emmet-like grammar                                                          |
+|[TbpgrUtils String#to_space4_heading](#stringto_space4_heading)                                                    |create space4-format heading string with Emmet-like grammar                                                          |
+|[TbpgrUtils String#to_tab_heading](#stringto_tab_heading)                                                          |create tab-format heading string with Emmet-like grammar                                                             |
 |[Templatable module](#templatable)                                                                                 |get result from template + placeholder                                                                               |
 |[TemplateMethodable module](#templatemethodable)                                                                   |for Template Method Pattern                                                                                          |
 
@@ -1685,7 +1686,6 @@ require 'tbpgr_utils'
 \+ case
 ~~~ruby
 require 'tbpgr_utils'
-
 'hoge+hige'.to_space4_heading # => 'hoge\nhige'
 ~~~
 
@@ -1697,6 +1697,25 @@ require 'tbpgr_utils'
 
 [back to list](#list)
 
+### String#to_tab_heading
+> case
+~~~ruby
+require 'tbpgr_utils'
+'hoge>hige'.to_tab_heading # => 'hoge\n\thige'
+~~~
+
+\+ case
+~~~ruby
+require 'tbpgr_utils'
+'hoge+hige'.to_tab_heading # => 'hoge\nhige'
+~~~
+
+^ case
+~~~ruby
+require 'tbpgr_utils'
+'hoge>hige^hege'.to_tab_heading # => 'hoge\n\thige\nhege'
+~~~
+
 ### Templatable
 * include Templatable
 * set template by here-document
@@ -1797,6 +1816,7 @@ if you are Sublime Text2 user, you can use snippet for TbpgrUtils.
 https://github.com/tbpgr/tbpgr_utils_snippets
 
 ## History
+* version 0.0.49 : add String#to_tab_heading
 * version 0.0.48 : add String#to_space4_heading
 * version 0.0.47 : add String#to_space2_heading
 * version 0.0.46 : add String#stripe

lib/open_classes/string.rb

@@ -5,3 +5,4 @@
 require 'open_classes/string/surround'
 require 'open_classes/string/to_space2_heading'
 require 'open_classes/string/to_space4_heading'
+require 'open_classes/string/to_tab_heading'

lib/open_classes/string/heading_helper.rb

@@ -3,11 +3,6 @@
 
 # HeadingHelper
 module HeadingHelper
-  # Space2
-  SPACE2 = '  '
-  # Space4
-  SPACE4 = '    '
-
   private
     def to_heading
       self_chars = chars

lib/open_classes/string/to_space2_heading.rb

@@ -4,6 +4,8 @@
 
 class String
   include HeadingHelper
+  # Space2
+  SPACE2 = '  '
 
   # create heading string with Emmet-like grammar.
   #

lib/open_classes/string/to_space4_heading.rb

@@ -4,6 +4,8 @@
 
 class String
   include HeadingHelper
+  # Space4
+  SPACE4 = '    '
 
   # create heading string with Emmet-like grammar.
   #

lib/open_classes/string/to_tab_heading.rb

@@ -0,0 +1,35 @@
+# encoding: utf-8
+require 'active_support/core_ext/object/inclusion'
+require 'open_classes/string/heading_helper'
+
+class String
+  include HeadingHelper
+  # Tab
+  TAB = "\t"
+
+  # create heading string with Emmet-like grammar.
+  #
+  # ==== Examples
+  #
+  # > case
+  #
+  #   'hoge>hige'.to_tab_heading # => 'hoge\n\thige'
+  #
+  # + case
+  #
+  #   'hoge+hige'.to_tab_heading # => 'hoge\nhige'
+  #
+  # ^ case
+  #
+  #   'hoge>hige^hege'.to_tab_heading # => 'hoge\n\thige\nhege'
+  #
+  def to_tab_heading
+    heading = to_heading
+    to_tab heading
+  end
+
+  private
+    def to_tab(heading)
+      to_head(heading, TAB)
+    end
+end

lib/tbpgr_utils/version.rb

@@ -2,5 +2,5 @@
 
 # Tbpgr Utilities
 module TbpgrUtils
-  VERSION = '0.0.48'
+  VERSION = '0.0.49'
 end

spec/open_classes/string/to_tab_heading_spec.rb

@@ -0,0 +1,61 @@
+# encoding: utf-8
+require 'spec_helper'
+require 'open_classes/string/to_tab_heading'
+
+describe String do
+  context :to_tab_heading do
+    cases = [
+      {
+        case_no: 1,
+        case_title: '> case',
+        input: 'hoge>hige',
+        expected: "hoge\n\thige",
+      },
+      {
+        case_no: 2,
+        case_title: '+ case',
+        input: 'hoge+hige',
+        expected: "hoge\nhige",
+      },
+      {
+        case_no: 3,
+        case_title: '^ case',
+        input: 'hoge>hige^hege',
+        expected: "hoge\n\thige\nhege",
+      },
+      {
+        case_no: 4,
+        case_title: 'mix case',
+        input: 'hoge>hige1+hige2^hege',
+        expected: "hoge\n\thige1\n\thige2\nhege",
+      },
+    ]
+
+    cases.each do |c|
+      it "|case_no=#{c[:case_no]}|case_title=#{c[:case_title]}" do
+        begin
+          case_before c
+
+          # -- given --
+          # nothing
+
+          # -- when --
+          actual = c[:input].to_tab_heading
+
+          # -- then --
+          expect(actual).to eq(c[:expected])
+        ensure
+          case_after c
+        end
+      end
+
+      def case_before(c)
+        # implement each case before
+      end
+
+      def case_after(c)
+        # implement each case after
+      end
+    end
+  end
+end