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Diffstat (limited to 'indra/newview/lltranslate.cpp')
| -rw-r--r-- | indra/newview/lltranslate.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/indra/newview/lltranslate.cpp b/indra/newview/lltranslate.cpp new file mode 100644 index 0000000000..2f60b6b90b --- /dev/null +++ b/indra/newview/lltranslate.cpp @@ -0,0 +1,121 @@ +/** +* @file lltranslate.cpp +* @brief Functions for translating text via Google Translate. +* + * $LicenseInfo:firstyear=2009&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +#include "llviewerprecompiledheaders.h" + +#include "lltranslate.h" + +#include <curl/curl.h> + +#include "llbufferstream.h" +#include "llui.h" +#include "llversioninfo.h" +#include "llviewercontrol.h" + +#include "reader.h" + +// These two are concatenated with the language specifiers to form a complete Google Translate URL +const char* LLTranslate::m_GoogleURL = "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q="; +const char* LLTranslate::m_GoogleLangSpec = "&langpair="; +float LLTranslate::m_GoogleTimeout = 5; + +LLSD LLTranslate::m_Header; +// These constants are for the GET header. +const char* LLTranslate::m_AcceptHeader = "Accept"; +const char* LLTranslate::m_AcceptType = "text/plain"; +const char* LLTranslate::m_AgentHeader = "User-Agent"; + +// These constants are in the JSON returned from Google +const char* LLTranslate::m_GoogleData = "responseData"; +const char* LLTranslate::m_GoogleTranslation = "translatedText"; +const char* LLTranslate::m_GoogleLanguage = "detectedSourceLanguage"; + +//static +void LLTranslate::translateMessage(LLHTTPClient::ResponderPtr &result, const std::string &from_lang, const std::string &to_lang, const std::string &mesg) +{ + std::string url; + getTranslateUrl(url, from_lang, to_lang, mesg); + + std::string user_agent = llformat("%s %d.%d.%d (%d)", + LLVersionInfo::getChannel().c_str(), + LLVersionInfo::getMajor(), + LLVersionInfo::getMinor(), + LLVersionInfo::getPatch(), + LLVersionInfo::getBuild()); + + if (!m_Header.size()) + { + m_Header.insert(m_AcceptHeader, LLSD(m_AcceptType)); + m_Header.insert(m_AgentHeader, LLSD(user_agent)); + } + + LLHTTPClient::get(url, result, m_Header, m_GoogleTimeout); +} + +//static +void LLTranslate::getTranslateUrl(std::string &translate_url, const std::string &from_lang, const std::string &to_lang, const std::string &mesg) +{ + char * curl_str = curl_escape(mesg.c_str(), mesg.size()); + std::string const escaped_mesg(curl_str); + curl_free(curl_str); + + translate_url = m_GoogleURL + + escaped_mesg + m_GoogleLangSpec + + from_lang // 'from' language; empty string for auto + + "%7C" // | + + to_lang; // 'to' language +} + +//static +bool LLTranslate::parseGoogleTranslate(const std::string& body, std::string &translation, std::string &detected_language) +{ + Json::Value root; + Json::Reader reader; + + bool success = reader.parse(body, root); + if (!success) + { + LL_WARNS("Translate") << "Non valid response from Google Translate API: '" << reader.getFormatedErrorMessages() << "'" << LL_ENDL; + return false; + } + + translation = root[m_GoogleData].get(m_GoogleTranslation, "").asString(); + detected_language = root[m_GoogleData].get(m_GoogleLanguage, "").asString(); + return true; +} + +//static +std::string LLTranslate::getTranslateLanguage() +{ + std::string language = gSavedSettings.getString("TranslateLanguage"); + if (language.empty() || language == "default") + { + language = LLUI::getLanguage(); + } + language = language.substr(0,2); + return language; +} + |