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Diffstat (limited to 'indra/newview/lltranslate.h')
| -rw-r--r-- | indra/newview/lltranslate.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/indra/newview/lltranslate.h b/indra/newview/lltranslate.h new file mode 100644 index 0000000000..2426bb71b6 --- /dev/null +++ b/indra/newview/lltranslate.h @@ -0,0 +1,118 @@ +/** +* @file lltranslate.h +* @brief Human language translation class and JSON response receiver. +* +* $LicenseInfo:firstyear=2009&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2010, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +*/ + +#ifndef LL_LLTRANSLATE_H +#define LL_LLTRANSLATE_H + +#include "llhttpclient.h" +#include "llbufferstream.h" + +class LLTranslate +{ + LOG_CLASS(LLTranslate); +public : + class TranslationReceiver: public LLHTTPClient::Responder + { + protected: + TranslationReceiver(const std::string &from_lang, const std::string &to_lang) + : m_fromLang(from_lang), + m_toLang(to_lang) + { + } + + virtual void handleResponse(const std::string &translation, const std::string &recognized_lang) {}; + virtual void handleFailure() {}; + + public: + ~TranslationReceiver() + { + } + + virtual void completedRaw( U32 status, + const std::string& reason, + const LLChannelDescriptors& channels, + const LLIOPipe::buffer_ptr_t& buffer) + { + if (200 <= status && status < 300) + { + LLBufferStream istr(channels, buffer.get()); + std::stringstream strstrm; + strstrm << istr.rdbuf(); + + const std::string result = strstrm.str(); + std::string translation; + std::string detected_language; + + if (!parseGoogleTranslate(result, translation, detected_language)) + { + handleFailure(); + return; + } + + // Fix up the response + LLStringUtil::replaceString(translation, "<", "<"); + LLStringUtil::replaceString(translation, ">",">"); + LLStringUtil::replaceString(translation, ""","\""); + LLStringUtil::replaceString(translation, "'","'"); + LLStringUtil::replaceString(translation, "&","&"); + LLStringUtil::replaceString(translation, "'","'"); + + handleResponse(translation, detected_language); + } + else + { + LL_WARNS("Translate") << "HTTP request for Google Translate failed with status " << status << ", reason: " << reason << LL_ENDL; + handleFailure(); + } + } + + protected: + const std::string m_toLang; + const std::string m_fromLang; + }; + + static void translateMessage(LLHTTPClient::ResponderPtr &result, const std::string &from_lang, const std::string &to_lang, const std::string &mesg); + static float m_GoogleTimeout; + static std::string getTranslateLanguage(); + +private: + static void getTranslateUrl(std::string &translate_url, const std::string &from_lang, const std::string &to_lang, const std::string &text); + static bool parseGoogleTranslate(const std::string& body, std::string &translation, std::string &detected_language); + + static LLSD m_Header; + static const char* m_GoogleURL; + static const char* m_GoogleLangSpec; + static const char* m_AcceptHeader; + static const char* m_AcceptType; + static const char* m_AgentHeader; + static const char* m_UserAgent; + + static const char* m_GoogleData; + static const char* m_GoogleTranslation; + static const char* m_GoogleLanguage; +}; + +#endif |