[DRE-commits] [ruby-org] 59/303: Simple option parsing.

[Jérémy Bobbio]

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lunar pushed a commit to branch master
in repository ruby-org.

commit aac4f93861682b1da61e96c1f54403d8abc839d3
Author: Brian Dewey <bdewey at gmail.com>
Date:   Tue Dec 29 15:07:13 2009 -0800

    Simple option parsing.
---
 lib/org-ruby/parser.rb |   27 ++++++++++++++++++++++++++-
 spec/parser_spec.rb    |   10 +++++++++-
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/lib/org-ruby/parser.rb b/lib/org-ruby/parser.rb
index 11285f5..0b9c538 100644
--- a/lib/org-ruby/parser.rb
+++ b/lib/org-ruby/parser.rb
@@ -21,6 +21,9 @@ module Orgmode
     # This contains any in-buffer settings from the org-mode file.
     # See http://orgmode.org/manual/In_002dbuffer-settings.html#In_002dbuffer-settings
     attr_reader :in_buffer_settings
+
+    # This contains in-buffer options; a special case of in-buffer settings.
+    attr_reader :options
     
     # I can construct a parser object either with an array of lines
     # or with a single string that I will split along \n boundaries.
@@ -37,6 +40,7 @@ module Orgmode
       @current_headline = nil
       @header_lines = []
       @in_buffer_settings = { }
+      @options = { }
       mode = :normal
       @lines.each do |line|
         case mode
@@ -49,7 +53,7 @@ module Orgmode
             line = Line.new line
             # If there is a setting on this line, remember it.
             line.in_buffer_setting? do |key, value|
-              @in_buffer_settings[key] = value
+              store_in_buffer_setting key, value
             end
             mode = :code if line.begin_block? and line.block_type == "EXAMPLE"
             if (@current_headline) then
@@ -107,5 +111,26 @@ module Orgmode
       rp = RubyPants.new(output)
       rp.to_html
     end
+
+    ######################################################################
+    private
+
+    # Stores an in-buffer setting.
+    def store_in_buffer_setting(key, value)
+      if key == "OPTIONS" then
+
+        # Options are stored in a hash. Special-case.
+
+        value.split.each do |opt|
+          if opt =~ /^(.*):(.*?)$/ then
+            @options[$1] = $2
+          else
+            raise "Unexpected option: #{opt}"
+          end
+        end
+      else
+        @in_buffer_settings[key] = value
+      end
+    end
   end                             # class Parser
 end                               # module Orgmode
diff --git a/spec/parser_spec.rb b/spec/parser_spec.rb
index a58d511..0e5884a 100644
--- a/spec/parser_spec.rb
+++ b/spec/parser_spec.rb
@@ -44,12 +44,20 @@ describe Orgmode::Parser do
 
   it "should load in-buffer settings" do
     parser = Orgmode::Parser.load(FreeformFile)
-    parser.should have(13).in_buffer_settings
+    parser.should have(12).in_buffer_settings
     parser.in_buffer_settings["TITLE"].should eql("Freeform")
     parser.in_buffer_settings["EMAIL"].should eql("bdewey at gmail.com")
     parser.in_buffer_settings["LANGUAGE"].should eql("en")
   end
 
+  it "should understand OPTIONS" do
+    parser = Orgmode::Parser.load(FreeformFile)
+    parser.should have(19).options
+    parser.options["TeX"].should eql("t")
+    parser.options["todo"].should eql("t")
+    parser.options["\\n"].should eql("nil")
+  end
+
   it "should skip in-buffer settings inside EXAMPLE blocks" do
     parser = Orgmode::Parser.load(FreeformExampleFile)
     parser.should have(0).in_buffer_settings

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