ruby/sample/rss/convert.rb

70 строки
1.4 KiB
Ruby
Executable File

#!/usr/bin/env ruby
require "rss"
feeds = []
verbose = false
encoding = "UTF-8"
to_version = "1.0"
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|
case fname
when '-v'
verbose = true
next
when /^-t(0\.91|1\.0|2\.0|atom)$/
to_version = $1
next
end
rss = nil
f = File.read(fname)
begin
## do validate parse
rss = RSS::Parser.parse(f)
rescue RSS::InvalidRSSError
error($!) 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($!) if verbose
end
feeds << [fname, rss]
end
end
processing_time = Time.now - before_time
feeds.each do |fname, rss|
converted_rss = rss.to_xml(to_version)
output_name = fname.sub(/(\.[^\.]+)$/, "-#{to_version}\\1")
File.open(output_name, "w") do |output|
output.print(converted_rss)
end
end
STDERR.puts "Used XML parser: #{RSS::Parser.default_parser}"
STDERR.puts "Processing time: #{processing_time}s"