WebResourceProvider

//  Translator.cpp
//
//  An object that uses the Google service to translate text.
//

#include "stdafx.h"
#include "Translator.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction

Translator::Translator
  (CString    strSource,
   long       nMode)
  : CWebResourceProvider()
{
  m_strSource = strSource;
  m_nMode = nMode;
}

Translator::~Translator()
{
}

/////////////////////////////////////////////////////////////////////////////
// Overridden methods

void Translator::constructUrl
  (CString& strUrl)
{
  // Construct the Google URL
  strUrl.Format ("http://translate.google.com/translate_t");
}

void Translator::getPostData
  (CString& strPostData)
{
  // Translation mode
  CString strTranslator;
  switch (m_nMode) {
    case Translator::EnglishToFrench:
      strTranslator = "en|fr";
      break;
    case Translator::EnglishToGerman:
      strTranslator = "en|de";
      break;
    case Translator::EnglishToItalian:
      strTranslator = "en|it";
      break;
    case Translator::EnglishToSpanish:
      strTranslator = "en|es";
      break;
    case Translator::FrenchToEnglish:
      strTranslator = "fr|en";
      break;
    case Translator::GermanToEnglish:
      strTranslator = "de|en";
      break;
    case Translator::ItalianToEnglish:
      strTranslator = "it|en";
      break;
    case Translator::SpanishToEnglish:
      strTranslator = "es|en";
      break;
    default:
      ASSERT (FALSE);
      break;
  }
  strPostData.Format ("hl=en&ie=UTF8&oe=UTF8submit=Translate&langpair=%s", strTranslator);

  // Text to be translated
  strPostData += "&text=";
  strPostData += m_strSource;
}

void Translator::parseContent()
{
  // Reset the object
  m_dwFetchStatus = 1;
  m_strFetchError = "Error parsing content";

  // Get translated text
  if (!skipTo ("<div id=result_box dir=ltr>"))
     return;
  if (!extractTo ("</div>", m_strTranslation))
     return;
  trim (m_strTranslation);
  removeHtml (m_strTranslation);

  // Return
  m_dwFetchStatus = 0;
  m_strFetchError.Empty();
}

// End Translator.cpp