0b265320a9
* Removed LLCurlRequest and replaced it's last usage with LLHTTPClient API calls. * Deleted dead code. * Renamed all the get4/post4/put4/getByteRange4 etc, back to their original name without the '4'.
138 lines
4.3 KiB
C++
138 lines
4.3 KiB
C++
/**
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* @file lltranslate.cpp
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* @brief Functions for translating text via Google Translate.
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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*
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* Copyright (c) 2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llbufferstream.h"
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#include "lltranslate.h"
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#include "llui.h"
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#include "sgversion.h"
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#include "llweb.h"
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// <edit>
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#include "llviewercontrol.h"
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// </edit>
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// These two are concatenated with the language specifiers to form a complete Google Translate URL
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const char* LLTranslate::m_GoogleURL = "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=";
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const char* LLTranslate::m_GoogleLangSpec = "&langpair=";
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float LLTranslate::m_GoogleTimeout = 10;
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AIHTTPHeaders LLTranslate::m_Header;
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// These constants are for the GET header.
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const char* LLTranslate::m_AcceptHeader = "Accept";
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const char* LLTranslate::m_AcceptType = "text/plain";
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const char* LLTranslate::m_AgentHeader = "User-Agent";
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// These constants are in the JSON returned from Google
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const char* LLTranslate::m_GoogleData = "responseData";
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const char* LLTranslate::m_GoogleTranslation = "translatedText";
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const char* LLTranslate::m_GoogleLanguage = "detectedSourceLanguage";
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//static
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void LLTranslate::translateMessage(LLHTTPClient::ResponderPtr &result, const std::string &fromLang, const std::string &toLang, const std::string &mesg)
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{
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std::string url;
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getTranslateUrl(url, fromLang, toLang, mesg);
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//<edit>
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std::string user_agent = gCurrentVersion;
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//</edit>
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if (m_Header.empty())
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{
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m_Header.addHeader(m_AcceptHeader, m_AcceptType);
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m_Header.addHeader(m_AgentHeader, user_agent);
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}
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LLHTTPClient::get(url, result, m_Header, m_GoogleTimeout);
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}
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//static
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void LLTranslate::getTranslateUrl(std::string &translateUrl, const std::string &fromLang, const std::string &toLang, const std::string &mesg)
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{
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std::string escaped_mesg = LLWeb::curlEscape(mesg);
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translateUrl = m_GoogleURL
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+ escaped_mesg + m_GoogleLangSpec
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+ fromLang // 'from' language; empty string for auto
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+ "%7C" // |
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+ toLang; // 'to' language
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}
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//static
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void LLTranslate::stringReplaceAll(std::string& context, const std::string& from, const std::string& to)
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{
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size_t lookHere = 0;
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size_t foundHere;
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while((foundHere = context.find(from, lookHere))
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!= std::string::npos) {
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context.replace(foundHere, from.size(), to);
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lookHere = foundHere + to.size();
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}
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}
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//static
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BOOL LLTranslate::parseGoogleTranslate(const std::string result, std::string &translation, std::string &detectedLanguage)
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{
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Json::Value root;
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Json::Reader reader;
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BOOL parsingSuccessful = reader.parse(result, root );
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if ( !parsingSuccessful )
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{
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LL_WARNS("JSON") << reader.getFormatedErrorMessages() << LL_ENDL;
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return FALSE;
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}
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translation = root[m_GoogleData].get(m_GoogleTranslation, "").asString();
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detectedLanguage = root[m_GoogleData].get(m_GoogleLanguage, "").asString();
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return TRUE;
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}
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//static
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std::string LLTranslate::getTranslateLanguage()
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{
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std::string language = "en";
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if (LLUI::sConfigGroup)
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{
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language = LLUI::sConfigGroup->getString("TranslateLanguage");
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if (language.empty() || language == "default")
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{
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language = LLUI::getLanguage();
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}
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}
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language = language.substr(0,2);
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return language;
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}
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