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Diffstat (limited to 'lingucomponent/source/spellcheck/languagetool/languagetoolimp.cxx')
| -rw-r--r-- | lingucomponent/source/spellcheck/languagetool/languagetoolimp.cxx | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/lingucomponent/source/spellcheck/languagetool/languagetoolimp.cxx b/lingucomponent/source/spellcheck/languagetool/languagetoolimp.cxx new file mode 100644 index 000000000..06b4fcb64 --- /dev/null +++ b/lingucomponent/source/spellcheck/languagetool/languagetoolimp.cxx @@ -0,0 +1,407 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <cppuhelper/factory.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/weak.hxx> +#include "languagetoolimp.hxx" + +#include <i18nlangtag/languagetag.hxx> +#include <svtools/strings.hrc> +#include <unotools/resmgr.hxx> + +#include <vector> +#include <set> +#include <string.h> + +#include <curl/curl.h> +#include <boost/property_tree/ptree.hpp> +#include <boost/property_tree/json_parser.hpp> +#include <algorithm> +#include <string_view> +#include <sal/log.hxx> +#include <svtools/languagetoolcfg.hxx> +#include <tools/color.hxx> +#include <tools/long.hxx> +#include <com/sun/star/uno/Any.hxx> + +using namespace osl; +using namespace com::sun::star; +using namespace com::sun::star::beans; +using namespace com::sun::star::lang; +using namespace com::sun::star::uno; +using namespace com::sun::star::linguistic2; +using namespace linguistic; + +#define COL_ORANGE Color(0xD1, 0x68, 0x20) + +namespace +{ +PropertyValue lcl_MakePropertyValue(const OUString& rName, uno::Any& rValue) +{ + return PropertyValue(rName, -1, rValue, css::beans::PropertyState_DIRECT_VALUE); +} + +Sequence<PropertyValue> lcl_GetLineColorPropertyFromErrorId(const std::string& rErrorId) +{ + uno::Any aColor; + if (rErrorId == "TYPOS") + { + aColor <<= COL_LIGHTRED; + } + else if (rErrorId == "STYLE") + { + aColor <<= COL_LIGHTBLUE; + } + else + { + // Same color is used for other errorId's such as GRAMMAR, TYPOGRAPHY.. + aColor <<= COL_ORANGE; + } + Sequence<PropertyValue> aProperties{ lcl_MakePropertyValue("LineColor", aColor) }; + return aProperties; +} +} + +LanguageToolGrammarChecker::LanguageToolGrammarChecker() + : mCachedResults(MAX_CACHE_SIZE) +{ +} + +LanguageToolGrammarChecker::~LanguageToolGrammarChecker() {} + +sal_Bool SAL_CALL LanguageToolGrammarChecker::isSpellChecker() { return false; } + +sal_Bool SAL_CALL LanguageToolGrammarChecker::hasLocale(const Locale& rLocale) +{ + bool bRes = false; + if (!m_aSuppLocales.hasElements()) + getLocales(); + + for (auto const& suppLocale : std::as_const(m_aSuppLocales)) + { + if (rLocale == suppLocale) + { + bRes = true; + break; + } + } + + return bRes; +} + +Sequence<Locale> SAL_CALL LanguageToolGrammarChecker::getLocales() +{ + if (m_aSuppLocales.hasElements()) + return m_aSuppLocales; + SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get(); + OString localeUrl = OUStringToOString(rLanguageOpts.getLocaleListURL(), RTL_TEXTENCODING_UTF8); + if (localeUrl.isEmpty()) + { + return m_aSuppLocales; + } + tools::Long statusCode = 0; + std::string response = makeHttpRequest(localeUrl, HTTP_METHOD::HTTP_GET, OString(), statusCode); + if (statusCode != 200) + { + return m_aSuppLocales; + } + if (response.empty()) + { + return m_aSuppLocales; + } + boost::property_tree::ptree root; + std::stringstream aStream(response); + boost::property_tree::read_json(aStream, root); + + size_t length = root.size(); + m_aSuppLocales.realloc(length); + auto pArray = m_aSuppLocales.getArray(); + int i = 0; + for (auto it = root.begin(); it != root.end(); it++, i++) + { + boost::property_tree::ptree& localeItem = it->second; + const std::string longCode = localeItem.get<std::string>("longCode"); + Locale aLocale = LanguageTag::convertToLocale( + OUString(longCode.c_str(), longCode.length(), RTL_TEXTENCODING_UTF8)); + pArray[i] = aLocale; + } + return m_aSuppLocales; +} + +// Callback to get the response data from server. +static size_t WriteCallback(void* ptr, size_t size, size_t nmemb, void* userp) +{ + if (!userp) + return 0; + + std::string* response = static_cast<std::string*>(userp); + size_t real_size = size * nmemb; + response->append(static_cast<char*>(ptr), real_size); + return real_size; +} + +ProofreadingResult SAL_CALL LanguageToolGrammarChecker::doProofreading( + const OUString& aDocumentIdentifier, const OUString& aText, const Locale& aLocale, + sal_Int32 nStartOfSentencePosition, sal_Int32 nSuggestedBehindEndOfSentencePosition, + const Sequence<PropertyValue>& aProperties) +{ + // ProofreadingResult declared here instead of parseHttpJSONResponse because of the early exists. + ProofreadingResult xRes; + xRes.aDocumentIdentifier = aDocumentIdentifier; + xRes.aText = aText; + xRes.aLocale = aLocale; + xRes.nStartOfSentencePosition = nStartOfSentencePosition; + xRes.nBehindEndOfSentencePosition = nSuggestedBehindEndOfSentencePosition; + xRes.aProperties = Sequence<PropertyValue>(); + xRes.xProofreader = this; + xRes.aErrors = Sequence<SingleProofreadingError>(); + + if (aText.isEmpty()) + { + return xRes; + } + + if (nStartOfSentencePosition != 0) + { + return xRes; + } + + xRes.nStartOfNextSentencePosition = aText.getLength(); + + SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get(); + if (rLanguageOpts.getEnabled() == false) + { + return xRes; + } + + OString checkerURL = OUStringToOString(rLanguageOpts.getCheckerURL(), RTL_TEXTENCODING_UTF8); + if (checkerURL.isEmpty()) + { + return xRes; + } + + if (aProperties.getLength() > 0 && aProperties[0].Name == "Update") + { + // locale changed + xRes.aText = ""; + return xRes; + } + + sal_Int32 spaceIndex = std::min(xRes.nStartOfNextSentencePosition, aText.getLength() - 1); + while (spaceIndex < aText.getLength() && aText[spaceIndex] == ' ') + { + xRes.nStartOfNextSentencePosition += 1; + spaceIndex = xRes.nStartOfNextSentencePosition; + } + if (xRes.nStartOfNextSentencePosition == nSuggestedBehindEndOfSentencePosition + && spaceIndex < aText.getLength()) + { + xRes.nStartOfNextSentencePosition + = std::min(nSuggestedBehindEndOfSentencePosition + 1, aText.getLength()); + } + xRes.nBehindEndOfSentencePosition + = std::min(xRes.nStartOfNextSentencePosition, aText.getLength()); + + auto cachedResult = mCachedResults.find(aText); + if (cachedResult != mCachedResults.end()) + { + xRes.aErrors = cachedResult->second; + return xRes; + } + + tools::Long http_code = 0; + OUString langTag(aLocale.Language + "-" + aLocale.Country); + OString postData(OUStringToOString( + OUStringConcatenation("text=" + aText + "&language=" + langTag), RTL_TEXTENCODING_UTF8)); + const std::string response_body + = makeHttpRequest(checkerURL, HTTP_METHOD::HTTP_POST, postData, http_code); + + if (http_code != 200) + { + return xRes; + } + + if (response_body.length() <= 0) + { + return xRes; + } + + parseProofreadingJSONResponse(xRes, response_body); + // cache the result + mCachedResults.insert( + std::pair<OUString, Sequence<SingleProofreadingError>>(aText, xRes.aErrors)); + return xRes; +} + +/* + rResult is both input and output + aJSONBody is the response body from the HTTP Request to LanguageTool API +*/ +void LanguageToolGrammarChecker::parseProofreadingJSONResponse(ProofreadingResult& rResult, + std::string_view aJSONBody) +{ + boost::property_tree::ptree root; + std::stringstream aStream(aJSONBody.data()); + boost::property_tree::read_json(aStream, root); + boost::property_tree::ptree& matches = root.get_child("matches"); + size_t matchSize = matches.size(); + + if (matchSize <= 0) + { + return; + } + Sequence<SingleProofreadingError> aErrors(matchSize); + auto pErrors = aErrors.getArray(); + size_t i = 0; + for (auto it1 = matches.begin(); it1 != matches.end(); it1++, i++) + { + const boost::property_tree::ptree& match = it1->second; + int offset = match.get<int>("offset"); + int length = match.get<int>("length"); + const std::string shortMessage = match.get<std::string>("message"); + const std::string message = match.get<std::string>("shortMessage"); + + // Parse the error category for Line Color + const boost::property_tree::ptree& rule = match.get_child("rule"); + const boost::property_tree::ptree& ruleCategory = rule.get_child("category"); + const std::string errorCategoryId = ruleCategory.get<std::string>("id"); + + OUString aShortComment(shortMessage.c_str(), shortMessage.length(), RTL_TEXTENCODING_UTF8); + OUString aFullComment(message.c_str(), message.length(), RTL_TEXTENCODING_UTF8); + + pErrors[i].nErrorStart = offset; + pErrors[i].nErrorLength = length; + pErrors[i].nErrorType = PROOFREADING_ERROR; + pErrors[i].aShortComment = aShortComment; + pErrors[i].aFullComment = aFullComment; + pErrors[i].aProperties = lcl_GetLineColorPropertyFromErrorId(errorCategoryId); + ; + const boost::property_tree::ptree& replacements = match.get_child("replacements"); + int suggestionSize = replacements.size(); + + if (suggestionSize <= 0) + { + continue; + } + pErrors[i].aSuggestions.realloc(std::min(suggestionSize, MAX_SUGGESTIONS_SIZE)); + auto pSuggestions = pErrors[i].aSuggestions.getArray(); + // Limit suggestions to avoid crash on context menu popup: + // (soffice:17251): Gdk-CRITICAL **: 17:00:21.277: ../../../../../gdk/wayland/gdkdisplay-wayland.c:1399: Unable to create Cairo image + // surface: invalid value (typically too big) for the size of the input (surface, pattern, etc.) + int j = 0; + for (auto it2 = replacements.begin(); it2 != replacements.end() && j < MAX_SUGGESTIONS_SIZE; + it2++, j++) + { + const boost::property_tree::ptree& replacement = it2->second; + std::string replacementStr = replacement.get<std::string>("value"); + pSuggestions[j] + = OUString(replacementStr.c_str(), replacementStr.length(), RTL_TEXTENCODING_UTF8); + } + } + rResult.aErrors = aErrors; +} + +std::string LanguageToolGrammarChecker::makeHttpRequest(std::string_view aURL, HTTP_METHOD method, + const OString& aPostData, + tools::Long& nStatusCode) +{ + std::unique_ptr<CURL, std::function<void(CURL*)>> curl(curl_easy_init(), + [](CURL* p) { curl_easy_cleanup(p); }); + if (!curl) + return {}; // empty string + + bool isPremium = false; + SvxLanguageToolOptions& rLanguageOpts = SvxLanguageToolOptions::Get(); + OString apiKey = OUStringToOString(rLanguageOpts.getApiKey(), RTL_TEXTENCODING_UTF8); + OString username = OUStringToOString(rLanguageOpts.getUsername(), RTL_TEXTENCODING_UTF8); + OString premiumPostData; + if (!apiKey.isEmpty() && !username.isEmpty()) + { + isPremium = true; + } + + std::string response_body; + curl_easy_setopt(curl.get(), CURLOPT_URL, aURL.data()); + + curl_easy_setopt(curl.get(), CURLOPT_FAILONERROR, 1L); + // curl_easy_setopt(curl.get(), CURLOPT_VERBOSE, 1L); + + curl_easy_setopt(curl.get(), CURLOPT_WRITEFUNCTION, WriteCallback); + curl_easy_setopt(curl.get(), CURLOPT_WRITEDATA, static_cast<void*>(&response_body)); + curl_easy_setopt(curl.get(), CURLOPT_SSL_VERIFYPEER, false); + curl_easy_setopt(curl.get(), CURLOPT_SSL_VERIFYHOST, false); + curl_easy_setopt(curl.get(), CURLOPT_TIMEOUT, CURL_TIMEOUT); + + if (method == HTTP_METHOD::HTTP_POST) + { + curl_easy_setopt(curl.get(), CURLOPT_POST, 1L); + if (isPremium == false) + { + curl_easy_setopt(curl.get(), CURLOPT_POSTFIELDS, aPostData.getStr()); + } + else + { + premiumPostData = aPostData + "&username=" + username + "&apiKey=" + apiKey; + curl_easy_setopt(curl.get(), CURLOPT_POSTFIELDS, premiumPostData.getStr()); + } + } + + /*CURLcode cc = */ + curl_easy_perform(curl.get()); + curl_easy_getinfo(curl.get(), CURLINFO_RESPONSE_CODE, &nStatusCode); + return response_body; +} + +void SAL_CALL LanguageToolGrammarChecker::ignoreRule(const OUString& /*aRuleIdentifier*/, + const Locale& /*aLocale*/ +) +{ +} +void SAL_CALL LanguageToolGrammarChecker::resetIgnoreRules() {} + +OUString SAL_CALL LanguageToolGrammarChecker::getServiceDisplayName(const Locale& rLocale) +{ + std::locale loc(Translate::Create("svt", LanguageTag(rLocale))); + return Translate::get(STR_DESCRIPTION_LANGUAGETOOL, loc); +} + +OUString SAL_CALL LanguageToolGrammarChecker::getImplementationName() +{ + return "org.openoffice.lingu.LanguageToolGrammarChecker"; +} + +sal_Bool SAL_CALL LanguageToolGrammarChecker::supportsService(const OUString& ServiceName) +{ + return cppu::supportsService(this, ServiceName); +} + +Sequence<OUString> SAL_CALL LanguageToolGrammarChecker::getSupportedServiceNames() +{ + return { SN_GRAMMARCHECKER }; +} + +void SAL_CALL LanguageToolGrammarChecker::initialize(const Sequence<Any>& /*rArguments*/) {} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface* +lingucomponent_LanguageToolGrammarChecker_get_implementation( + css::uno::XComponentContext*, css::uno::Sequence<css::uno::Any> const&) +{ + return cppu::acquire(static_cast<cppu::OWeakObject*>(new LanguageToolGrammarChecker())); +}
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