126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/**
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* @file lltranslate.h
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* @brief Human language translation class and JSON response receiver.
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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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#ifndef LL_LLTRANSLATE_H
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#define LL_LLTRANSLATE_H
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#include "llhttpclient.h"
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#include "llbufferstream.h"
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#include "jsoncpp/reader.h"
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class LLTranslate
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{
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public :
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class TranslationReceiver: public LLHTTPClient::Responder
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{
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protected:
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TranslationReceiver(const std::string &fromLang, const std::string &toLang)
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: m_fromLang(fromLang),
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m_toLang(toLang)
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{
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}
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virtual void handleResponse(const std::string &translation, const std::string &recognizedLang) {}
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virtual void handleFailure() {};
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public:
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~TranslationReceiver()
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{
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}
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virtual void error(U32 status, const std::string& reason)
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{
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LL_WARNS("Translate") << "URL Request error: " << reason << LL_ENDL;
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handleFailure();
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}
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virtual void completedRaw(
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U32 status,
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const std::string& reason,
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const LLChannelDescriptors& channels,
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const LLIOPipe::buffer_ptr_t& buffer)
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{
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LLBufferStream istr(channels, buffer.get());
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std::stringstream strstrm;
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strstrm << istr.rdbuf();
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const std::string result = strstrm.str();
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std::string translation;
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std::string detectedLanguage;
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if (!parseGoogleTranslate(result, translation, detectedLanguage))
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{
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handleFailure();
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return;
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}
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// Fix up the response
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stringReplaceAll( translation, "<","<");
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stringReplaceAll( translation, ">",">");
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stringReplaceAll( translation, ""","\"");
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stringReplaceAll( translation, "'","'");
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stringReplaceAll( translation, "&","&");
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stringReplaceAll( translation, "'","'");
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handleResponse(translation, detectedLanguage);
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}
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protected:
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const std::string m_toLang;
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const std::string m_fromLang;
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};
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static void translateMessage(LLHTTPClient::ResponderPtr &result, const std::string &fromLang, const std::string &toLang, const std::string &mesg);
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static float m_GoogleTimeout;
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static std::string getTranslateLanguage();
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private:
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static void getTranslateUrl(std::string &translateUrl, const std::string &fromLang, const std::string &toLang, const std::string &text);
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static void stringReplaceAll(std::string& context, const std::string& from, const std::string& to);
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static BOOL parseGoogleTranslate(const std::string result, std::string &translation, std::string &detectedLanguage);
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static LLSD m_Header;
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static const char* m_GoogleURL;
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static const char* m_GoogleLangSpec;
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static const char* m_AcceptHeader;
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static const char* m_AcceptType;
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static const char* m_AgentHeader;
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static const char* m_UserAgent;
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static const char* m_GoogleData;
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static const char* m_GoogleTranslation;
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static const char* m_GoogleLanguage;
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};
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#endif
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