* lib/rss/{0.9,1.0,2.0,trackback,xml-stylesheet}.rb: added

  #setup_maker.
* test/rss/test_setup_maker_*.rb: added tests for #setup_maker.
* lib/rss/maker/base.rb(RSS::Maker::Items#max_size=): supported
  output item size limitation.
* sample/rss/blend.rb: added sample for RSS Maker.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@7391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 76 insertions, 0 deletions

diff --git a/sample/rss/blend.rb b/sample/rss/blend.rb
new file mode 100755
index 000000000..2aa30d7fc
--- /dev/null
+++ b/sample/rss/blend.rb
@@ -0,0 +1,76 @@
+#!/usr/bin/env ruby
+
+require "rss/1.0"
+require "rss/2.0"
+require "rss/dublincore"
+require "rss/maker"
+
+feeds = []
+verbose = false
+encoding = "UTF-8"
+
+def error(exception)
+  mark = "=" * 20
+  mark = "#{mark} error #{mark}"
+  STDERR.puts mark
+  STDERR.puts exception.class
+  STDERR.puts exception.message
+  STDERR.puts exception.backtrace
+  STDERR.puts mark
+end
+
+before_time = Time.now
+ARGV.each do |fname|
+  if fname == '-v'
+    verbose = true
+    next
+  end
+  rss = nil
+  f = File.new(fname).read
+  begin
+    ## do validate parse
+    rss = RSS::Parser.parse(f)
+  rescue RSS::InvalidRSSError
+    error($!) if verbose
+    ## do non validate parse for invalid RSS 1.0
+    begin
+      rss = RSS::Parser.parse(f, false)
+    rescue RSS::Error
+      ## invalid RSS.
+      error($!) if verbose
+    end
+  rescue RSS::Error
+    error($!) if verbose
+  end
+  if rss.nil?
+    STDERR.puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
+  else
+    begin
+      rss.output_encoding = encoding
+    rescue RSS::UnknownConversionMethodError
+      error($!) if verbose
+    end
+    feeds << rss
+  end
+end
+processing_time = Time.now - before_time
+
+rss = RSS::Maker.make("1.0") do |maker|
+  maker.encoding = encoding
+  maker.channel.about = "http://example.com/blend.rdf"
+  maker.channel.title = "blended feeds"
+  maker.channel.link = "http://example.com/"
+  maker.channel.description = "blended feeds generated by RSS Parser"
+
+  feeds.each do |feed|
+    feed.items.each do |item|
+      item.setup_maker(maker)
+    end
+  end
+  maker.items.do_sort = true
+  maker.items.max_size = 15
+end
+puts rss
+
+STDERR.puts "Used XML parser: #{RSS::Parser.default_parser}"
+STDERR.puts "Processing time: #{processing_time}s"