CodeMonkeySteve · March 2, 2015 19:33 · Mar 2, 2015
diff --git a/xliff_trans b/xliff_trans
@@ -0,0 +1,114 @@
+#!/usr/bin/env ruby
+
+require 'bing_translator'
+require 'active_support'
+require 'active_support/core_ext'
+
+class BingTranslator
+  @@cache = {}
+  @@cache_path = __dir__+'/.xliff_trans_cache'
+  @@cache = YAML.load_file(@@cache_path)     if File.exist?(@@cache_path)
+
+  def self.save_cache
+    YAML.dump(@@cache, File.open(@@cache_path, 'w'))
+  end
+
+  TRANSLATE_ARRAY_URI = URI.parse('http://api.microsofttranslator.com/V2/Http.svc/TranslateArray').freeze
+
+  alias_method :translate_one, :translate
+  def translate(*strings, to:, from: 'en')
+    return []  if strings.empty?
+
+    cache = (@@cache[to.to_s] ||= {})
+    trans = strings.reject { |str|  cache.include?(str) }.uniq
+
+    trans.reject! do |str|
+      if str.match /<[\w-]+>/
+        res = translate_one(str, from: from, to: to, contentType: 'text/html')
+        cache[str] = res  if res.present?
+        true
+      end
+    end
+
+    if trans.present?
+      params = { texts: trans, from: CGI.escape(from.to_s), to: CGI.escape(to.to_s) }
+      doc = Nokogiri.XML( array_result(TRANSLATE_ARRAY_URI, params).body )
+      res = doc.xpath('xmlns:ArrayOfTranslateArrayResponse/xmlns:TranslateArrayResponse/xmlns:TranslatedText').map(&:text)
+      trans.each.with_index { |src, idx|  cache[src] = res[idx]   if res[idx].present? }
+    end
+
+    strings.map { |str|  [str, cache[str]] }.to_h
+  end
+
+  def array_result(uri, params = {}, headers = {})
+    get_access_token
+    http = Net::HTTP.new(uri.host, uri.port)
+
+    if uri.scheme == "https"
+      http.use_ssl = true
+      http.verify_mode = OpenSSL::SSL::VERIFY_NONE if @skip_ssl_verify
+    end
+
+    builder = Nokogiri::XML::Builder.new do |xml|
+      xml.TranslateArrayRequest do
+        xml.AppId
+        xml.From_ params[:from]
+        xml.Options_ do
+          xml.CotentType({xmlns: 'http://schemas.datacontract.org/2004/07/Microsoft.MT.Web.Service.V2'}, 'text/html')
+        end
+        xml.Texts do
+          params[:texts].each do |text|
+            xml.string({xmlns: 'http://schemas.microsoft.com/2003/10/Serialization/Arrays'}, text )
+          end
+        end
+        xml.To_ params[:to]
+      end
+    end
+
+    request = Net::HTTP::Post.new(uri.path)
+    request.add_field 'Content-Type', 'application/xml'
+    request.add_field 'Authorization',"Bearer #{@access_token['access_token']}"
+    request.body = builder.to_xml(indent: 2)
+
+    results = http.request(request)
+    if results.response.code.to_i == 200
+      results
+    else
+      html = Nokogiri::HTML(results.body)
+      raise Exception, html.xpath("//text()").remove.map(&:to_s).join(' ')
+    end
+  end
+end
+
+
+translator = BingTranslator.new('org-finagle-sandbox', 'YdNt0qFIsWChIp5uDlcfLq4td8Xn9MCXvEcBGsXEe/I=')
+
+ARGV.each do |path|
+  xliff = Nokogiri.XML(File.read(path))
+
+  file = xliff.at_xpath('/xmlns:xliff/xmlns:file')
+  raise "Missing file tag"  unless file
+
+  datatype = file['datatype']
+  raise "Unsupported datatype #{datatype}"  unless datatype == 'plaintext'
+
+  src_locale, tgt_locale = file['source-language'], file['target-language']
+
+  trans = {}
+  file.xpath('//xmlns:trans-unit').each do |unit|
+    src = unit.at_xpath('xmlns:source')
+    raise "Missing source translation"  unless src.present?
+    next  unless tgt = unit.at_xpath('xmlns:target')
+    trans[tgt] = src.text
+  end
+
+  res = translator.translate(*trans.values, to: tgt_locale, from: src_locale)
+  trans.each do |tgt, src_text|
+    tgt.content = res[src_text]
+  end
+
+  out_path = path.gsub(/^([^.]+)(\..+)$/, '\1-auto\2')
+  File.open(out_path, 'w') { |f|  f.write(xliff.to_xml(indent: 2)) }
+end
+
+BingTranslator.save_cache