Maven migration (first draft)

legacy/utilities/ISF-transition/obsoleteUris/directory_walker.rb

@@ -0,0 +1,66 @@
+require 'find'
+
+class DirectoryWalker
+  # ------------------------------------------------------------------------------------
+  private
+  # ------------------------------------------------------------------------------------
+
+  def start_walking()
+    Find.find(@directory_root) do |path|
+      if FileTest.directory?(path)
+        if File.basename(path).start_with?(".")
+          Find.prune       # Don't look any further into this directory.
+        elsif @known_exceptions.skip?(path)
+          Find.prune
+        else
+          next
+        end
+      elsif @known_exceptions.skip?(path)
+        Find.prune
+      else
+        scan_file(path)
+      end
+    end
+  end
+  
+  def scan_file(path)
+    @report.register_file(path)
+    lines = File.readlines(path)
+    lines.each_index do |index|
+      line_number = index + 1
+      line = lines[index].strip
+      scan_line(path, line_number, line) unless @known_exceptions.skip?(path, line_number)
+    end
+  end
+  
+  def scan_line(path, line_number, line)
+    @obsolete_uris.uris.each do |uri|
+#     next if @known_exceptions.skip?(path, line_number, uri)
+      @report.add_event(Event.new(path, line_number, line, uri)) if line =~ Regexp.new("\\b#{Regexp.quote(uri)}\\b") 
+    end
+    if @complete
+      @obsolete_uris.localnames.each do |localname|
+        term = ":#{localname}"
+#       next if @known_exceptions.skip?(path, line_number, term)
+        @report.add_event(Event.new(path, line_number, line, term)) if line =~ Regexp.new("#{Regexp.quote(term)}\\b") 
+      end
+    end
+  end
+
+  # ------------------------------------------------------------------------------------
+  public
+  # ------------------------------------------------------------------------------------
+
+  def initialize(directory_root, obsolete_uris, known_exceptions, report, complete)
+  	@directory_root = File.expand_path(directory_root)
+  	@obsolete_uris = obsolete_uris
+  	@known_exceptions = known_exceptions
+  	@report = report
+  	@complete = complete
+  end
+  
+  def walk()
+    start_walking()
+  end
+  
+end