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Improved detection of charset in GT

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git-svn-id: https://subtitleedit.googlecode.com/svn/trunk@864 99eadd0c-20b8-1223-b5c4-2a2b2df33de2
This commit is contained in:
niksedk 2011-12-28 19:39:00 +00:00
parent 899b1430fe
commit 47f1c18a80
1 changed files with 25 additions and 4 deletions
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29
src/Forms/GoogleTranslate.cs
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@ -21,6 +21,7 @@ namespace Nikse.SubtitleEdit.Forms
MicrosoftTranslationService.SoapService _microsoftTranslationService = null;
private bool _googleApiNotWorking = false;
private const string _splitterString = "==";
private Encoding _screenScrapingEncoding = null;
public class ComboBoxItem
{
@ -277,7 +278,9 @@ namespace Nikse.SubtitleEdit.Forms
// fallback to screen scraping
if (string.IsNullOrEmpty(result))
{
result = TranslateTextViaScreenScraping(input, languagePair);
if (_screenScrapingEncoding == null)
_screenScrapingEncoding = GetScreenScrapingEncoding(languagePair);
result = TranslateTextViaScreenScraping(input, languagePair, _screenScrapingEncoding);
_googleApiNotWorking = true;
}
@ -348,6 +351,25 @@ namespace Nikse.SubtitleEdit.Forms
return test;
}
public static Encoding GetScreenScrapingEncoding(string languagePair)
{
try
{
string url = String.Format("http://translate.google.com/?hl=en&eotf=1&sl={0}&tl={1}&q={2}", languagePair.Substring(0, 2), languagePair.Substring(3), "123 456");
var webClient = new WebClient();
webClient.Proxy = Utilities.GetProxy();
string result = webClient.DownloadString(url).ToLower();
int idx = result.IndexOf("charset");
int end = result.IndexOf("\"", idx+8);
string charset = result.Substring(idx, end-idx).Replace("charset=", string.Empty);
return Encoding.GetEncoding(charset); // "koi8-r");
}
catch
{
return System.Text.Encoding.Default;
}
}
/// <summary>
/// Translate Text using Google Translate API's
/// Google URL - http://www.google.com/translate_t?hl=en&ie=UTF8&text={0}&langpair={1}
@ -356,17 +378,16 @@ namespace Nikse.SubtitleEdit.Forms
/// <param name="languagePair">2 letter Language Pair, delimited by "|".
/// E.g. "ar|en" language pair means to translate from Arabic to English</param>
/// <returns>Translated to String</returns>
public static string TranslateTextViaScreenScraping(string input, string languagePair)
public static string TranslateTextViaScreenScraping(string input, string languagePair, Encoding encoding)
{
input = input.Replace(Environment.NewLine, "<br/>");
input = input.Replace("'", "&apos;");
//string url = String.Format("http://www.google.com/translate_t?hl=en&ie=UTF8&text={0}&langpair={1}", HttpUtility.UrlEncode(input), languagePair);
string url = String.Format("http://translate.google.com/?hl=en&eotf=1&sl={0}&tl={1}&q={2}", languagePair.Substring(0, 2), languagePair.Substring(3), HttpUtility.UrlEncode(input));
var webClient = new WebClient();
webClient.Proxy = Utilities.GetProxy();
webClient.Encoding = System.Text.Encoding.Default;
webClient.Encoding = encoding;
string result = webClient.DownloadString(url);
int startIndex = result.IndexOf("<span id=result_box");
var sb = new StringBuilder();