Simon Rozman
afb137edee
MSVC C26800 warned us std::vector and std::string are not guaranteed to be cleared after being moved from in all standard C++ implementations. As we reuse those objects and rely they are cleared, do an explicit clear. We could have one-time-use objects and add scopes, but that makes code ugly. Reference: https://stackoverflow.com/a/17735913/2071884 Signed-off-by: Simon Rozman <simon@rozman.si>
244 lines
10 KiB
C++
244 lines
10 KiB
C++
/*
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SPDX-License-Identifier: GPL-3.0-or-later
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Copyright © 2022 Amebis
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*/
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#pragma once
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#include "../include/version.h"
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#include "dto.hpp"
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#include "iconverter.hpp"
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#include "zrcolaws.hpp"
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#include <zrcola/translate.h>
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#include <oatpp/core/macro/codegen.hpp>
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#include <oatpp/core/macro/component.hpp>
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#include <oatpp/web/server/api/ApiController.hpp>
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#include OATPP_CODEGEN_BEGIN(ApiController)
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class Controller : public oatpp::web::server::api::ApiController
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{
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public:
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Controller(const std::shared_ptr<oatpp::data::mapping::ObjectMapper>& defaultObjectMapper, const oatpp::String &routerPrefix = nullptr) :
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oatpp::web::server::api::ApiController(defaultObjectMapper, routerPrefix)
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{}
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ADD_CORS(getAbout)
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ENDPOINT_INFO(getAbout) {
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info->summary = "Returns service information";
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info->addResponse<Object<dto::About>>(Status::CODE_200, "application/json");
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}
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ENDPOINT("GET", "/about", getAbout)
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{
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auto dto = dto::About::createShared();
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dto->vendor = PRODUCT_CFG_VENDOR;
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dto->application = PRODUCT_CFG_APPLICATION;
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dto->version = PRODUCT_VERSION_STR;
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return createDtoResponse(Status::CODE_200, dto);
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}
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ADD_CORS(getTranset)
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ENDPOINT_INFO(getTranset) {
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info->summary = "Lists supported translation sets";
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info->description = "Each translation set describes a set of replacements that are performed to translate text from one script or encoding to another. ";
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info->addResponse<oatpp::Vector<oatpp::Object<dto::TranSet>>>(Status::CODE_200, "application/json");
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}
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ENDPOINT("GET", "/transet", getTranset)
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{
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try {
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utf16toutf8 c;
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auto result = oatpp::Vector<oatpp::Object<dto::TranSet>>::createShared();
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auto dto = dto::TranSet::createShared();
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dto->set = ZRCOLA_TRANSETID_DEFAULT;
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dto->src = "ZRCola Decomposed";
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dto->dst = "ZRCola Composed";
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result->push_back(dto);
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for (size_t i = 0, n = ts_db.idxTranSet.size(); i < n; i++) {
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const auto &ts = ts_db.idxTranSet[i];
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dto = dto::TranSet::createShared();
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dto->set = ts.set;
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dto->src = c.convert(ts.src(), ts.src_len());
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dto->dst = c.convert(ts.dst(), ts.dst_len());
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result->push_back(dto);
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}
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dto = dto::TranSet::createShared();
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dto->set = ZRCOLA_TRANSETID_UNICODE;
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dto->src = "ZRCola Decomposed";
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dto->dst = "Unicode";
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result->push_back(dto);
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return createDtoResponse(Status::CODE_200, result);
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} catch (std::exception &ex) {
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OATPP_LOGE(__FUNCTION__, "%s: %s", typeid(ex).name(), ex.what());
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return ResponseFactory::createResponse(Status::CODE_500, ex.what());
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}
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}
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ADD_CORS(getLanguage)
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ENDPOINT_INFO(getLanguage) {
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info->summary = "Lists supported languages";
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info->description = "Each language describes a set of special characters that are specific to that language (e.g. č, š, ž in Slovenian, or ä, ö, ü in German).";
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info->addResponse<oatpp::Vector<oatpp::Object<dto::Language>>>(Status::CODE_200, "application/json");
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}
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ENDPOINT("GET", "/language", getLanguage)
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{
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try {
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utf16toutf8 c;
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auto result = oatpp::Vector<oatpp::Object<dto::Language>>::createShared();
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for (size_t i = 0, n = lang_db.idxLang.size(); i < n; i++) {
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const auto &lang = lang_db.idxLang[i];
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auto dto = dto::Language::createShared();
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dto->lang = std::string(&lang.lang.data[0], strnlen(lang.lang.data, std::size(lang.lang.data)));
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dto->name = c.convert(lang.name(), lang.name_len());
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result->push_back(dto);
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}
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return createDtoResponse(Status::CODE_200, result);
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} catch (std::exception &ex) {
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OATPP_LOGE(__FUNCTION__, "%s: %s", typeid(ex).name(), ex.what());
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return ResponseFactory::createResponse(Status::CODE_500, ex.what());
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}
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}
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ADD_CORS(postTranslate)
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ENDPOINT_INFO(postTranslate) {
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info->summary = "Translate text";
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info->description =
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"Performs any number of supported translations (see /transet) on a given input text in a sequence. "
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"Together with the output text, it also returns character index mapping between input and output texts.";
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auto transet = oatpp::Vector<UInt16>::createShared();
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transet->push_back(ZRCOLA_TRANSETID_DEFAULT);
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auto dto = dto::TranslateIn::createShared();
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dto->transet = transet;
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dto->text = "To je test.";
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info->addConsumes<Object<dto::TranslateIn>>("application/json")
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.addExample("Perform ZRCola composition", dto);
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info->addResponse<Object<dto::TranslateOut>>(Status::CODE_200, "application/json");
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}
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ENDPOINT("POST", "/translate", postTranslate, BODY_DTO(Object<dto::TranslateIn>, input))
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{
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try {
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utf8toutf16 cIn;
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std::u16string dst, dst2;
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if (input->text)
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dst = cIn.convert(*input->text);
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size_t src_len = dst.size();
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std::vector<ZRCola::mapping_vector> mapping;
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if (input->transet) {
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ZRCola::mapping_vector map;
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const auto ts_end = input->transet->cend();
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for (auto ts = input->transet->cbegin(); ts != ts_end; ++ts) {
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switch (*ts) {
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case ZRCOLA_TRANSETID_DEFAULT:
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case ZRCOLA_TRANSETID_UNICODE:
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// Decompose first, then re-compose.
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t_db.TranslateInv(*ts, dst.data(), dst.size(), dst2, &map);
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mapping.push_back(std::move(map));
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map.clear();
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t_db.Translate(*ts, dst2.data(), dst2.size(), dst, &map);
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mapping.push_back(std::move(map));
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map.clear();
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break;
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default:
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t_db.Translate(*ts, dst.data(), dst.size(), dst2, &map);
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mapping.push_back(std::move(map));
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map.clear();
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dst = std::move(dst2);
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dst2.clear();
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}
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}
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}
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utf16toutf8 cOut;
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auto dto = dto::TranslateOut::createShared();
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dto->text = cOut.convert(dst);
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auto map = oatpp::Vector<oatpp::UInt32>::createShared();
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auto m_end = mapping.cend();
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for (size_t i = 0; i < src_len; ++i) {
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auto j = i;
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for (auto m = mapping.cbegin(); m != m_end; ++m)
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j = m->to_dst(j);
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map->push_back(j);
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}
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dto->map = map;
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return createDtoResponse(Status::CODE_200, dto);
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} catch (std::exception &ex) {
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OATPP_LOGE(__FUNCTION__, "%s: %s", typeid(ex).name(), ex.what());
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return ResponseFactory::createResponse(Status::CODE_500, ex.what());
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}
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}
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ADD_CORS(postTranslateInv)
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ENDPOINT_INFO(postTranslateInv) {
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info->summary = "Inverse translate text";
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info->description =
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"Performs any number of supported translations (see /transet) on a given input text in a sequence in reverse. "
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"Together with the output text, it also returns character index mapping between input and output texts.";
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auto transet = oatpp::Vector<UInt16>::createShared();
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transet->push_back(ZRCOLA_TRANSETID_DEFAULT);
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auto dto = dto::TranslateIn::createShared();
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dto->transet = transet;
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dto->text = "T ťᵉⓢṭ.";
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dto->lang = "slv";
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info->addConsumes<Object<dto::TranslateIn>>("application/json")
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.addExample("Perform ZRCola decomposition", dto);
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info->addResponse<Object<dto::TranslateOut>>(Status::CODE_200, "application/json");
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}
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ENDPOINT("POST", "/translateInv", postTranslateInv, BODY_DTO(Object<dto::TranslateIn>, input))
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{
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try {
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utf8toutf16 cIn;
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std::u16string dst, dst2;
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ZRCola::langid_t lang;
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if (input->text)
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dst = cIn.convert(*input->text);
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lang = input->lang->c_str();
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size_t src_len = dst.size();
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std::vector<ZRCola::mapping_vector> mapping;
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if (input->transet) {
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ZRCola::mapping_vector map;
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const auto ts_begin = input->transet->cbegin();
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for (auto ts = input->transet->cend(); (ts--) != ts_begin; ) {
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switch (*ts) {
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case ZRCOLA_TRANSETID_DEFAULT:
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case ZRCOLA_TRANSETID_UNICODE:
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t_db.TranslateInv(*ts, dst.data(), dst.size(), &lc_db, lang, dst2, &map);
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dst = std::move(dst2);
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dst2.clear();
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map.invert();
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mapping.push_back(std::move(map));
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map.clear();
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break;
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default:
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t_db.TranslateInv(*ts, dst.data(), dst.size(), dst2, &map);
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dst = std::move(dst2);
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dst2.clear();
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map.invert();
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mapping.push_back(std::move(map));
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map.clear();
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}
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}
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}
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utf16toutf8 cOut;
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auto dto = dto::TranslateOut::createShared();
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dto->text = cOut.convert(dst);
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auto map = oatpp::Vector<oatpp::UInt32>::createShared();
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auto m_end = mapping.crend();
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for (size_t i = 0; i < src_len; ++i) {
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auto j = i;
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for (auto m = mapping.crbegin(); m != m_end; ++m)
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j = m->to_src(j);
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map->push_back(j);
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}
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dto->map = map;
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return createDtoResponse(Status::CODE_200, dto);
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} catch (std::exception &ex) {
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OATPP_LOGE(__FUNCTION__, "%s: %s", typeid(ex).name(), ex.what());
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return ResponseFactory::createResponse(Status::CODE_500, ex.what());
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}
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}
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};
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#include OATPP_CODEGEN_END(ApiController)
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