add ReVIEW::IndexBuilder

make indexes with this builder, instead of `Index.parse()`

lib/review/book/base.rb

@@ -49,6 +49,14 @@ def update_rubyenv
         end
       end
 
+      def make_indexes
+        return unless @catalog
+
+        parts.each do |part|
+          part.chapters.each(&:make_indexes)
+        end
+      end
+
       def bib_file
         config['bib_file']
       end

lib/review/book/book_unit.rb

@@ -7,6 +7,7 @@
 # For details of the GNU LGPL, see the file "COPYING".
 #
 require 'review/textutils'
+require 'review/index_builder'
 
 module ReVIEW
   module Book
@@ -27,16 +28,26 @@ def initialize
         end
       end
 
+      def make_indexes
+        index_builder = ReVIEW::IndexBuilder.new
+        compiler = ReVIEW::Compiler.new(index_builder)
+        compiler.compile(self)
+        index_builder
+      end
+
       def generate_indexes
         return unless content
 
         @lines = content.lines
-        @list_index = ListIndex.parse(lines)
-        @table_index = TableIndex.parse(lines)
-        @equation_index = EquationIndex.parse(lines)
-        @footnote_index = FootnoteIndex.parse(lines)
-        @headline_index = HeadlineIndex.parse(lines, self)
-        @column_index = ColumnIndex.parse(lines)
+
+        @indexes = make_indexes
+
+        @list_index = @indexes.list_index
+        @table_index = @indexes.table_index
+        @equation_index = @indexes.equation_index
+        @footnote_index = @indexes.footnote_index
+        @headline_index = @indexes.headline_index
+        @column_index = @indexes.column_index
       end
 
       def dirname

lib/review/book/index.rb

@@ -44,6 +44,10 @@ def initialize
         @image_finder = nil
       end
 
+      def size
+        @index.size
+      end
+
       def add_item(item)
         if @index[item.id] && self.class != ReVIEW::Book::IconIndex
           @logger.warn "warning: duplicate ID: #{item.id} (#{item.inspect})"

lib/review/book/part.rb

@@ -28,7 +28,7 @@ def self.mkpart_from_namelist(book, names)
       end
 
       def self.mkpart(chaps)
-        chaps.empty? ? nil : Part.new(self, nil, chaps)
+        chaps.empty? ? nil : Part.new(chaps[0].book, nil, chaps)
       end
 
       # if Part is dummy, `number` is nil.