161 lines
5.5 KiB
C++
161 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <cassert>
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#include <cstdlib>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <memory>
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#define LOK_USE_UNSTABLE_API
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#include <LibreOfficeKit/LibreOfficeKit.h>
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#include <LibreOfficeKit/LibreOfficeKitInit.h>
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#include <png.h>
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#include <Poco/Buffer.h>
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#include <Poco/Process.h>
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#include <Poco/Random.h>
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#include <Poco/String.h>
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#include <Poco/StringTokenizer.h>
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#include <Poco/TemporaryFile.h>
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#include <Poco/URI.h>
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#include <Poco/Util/Application.h>
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#include "LOKitHelper.hpp"
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#include "Util.hpp"
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using Poco::StringTokenizer;
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using Poco::TemporaryFile;
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using Poco::Util::Application;
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class LOKitClient: public Application
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{
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public:
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protected:
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int main(const std::vector<std::string>& args) override
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{
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if (args.size() != 2)
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{
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logger().fatal("Usage: lokitclient /path/to/lo/installation/program /path/to/document");
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return Application::EXIT_USAGE;
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}
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LibreOfficeKit *loKit;
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LibreOfficeKitDocument *loKitDocument;
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loKit = lok_init(args[0].c_str());
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if (!loKit)
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{
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logger().fatal("LibreOfficeKit initialisation failed");
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return Application::EXIT_UNAVAILABLE;
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}
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loKitDocument = loKit->pClass->documentLoad(loKit, args[1].c_str());
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if (!loKitDocument)
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{
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logger().fatal("Document loading failed: " + std::string(loKit->pClass->getError(loKit)));
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return Application::EXIT_UNAVAILABLE;
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}
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loKitDocument->pClass->initializeForRendering(loKitDocument);
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if (isatty(0))
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{
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std::cout << "Enter LOKit \"commands\", one per line. 'help' for help. EOF to finish." << std::endl;
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}
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while (!std::cin.eof())
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{
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std::string line;
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std::getline(std::cin, line);
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StringTokenizer tokens(line, " ", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
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if (tokens.count() == 0)
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continue;
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if (tokens[0] == "?" || tokens[0] == "help")
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{
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std::cout <<
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"Commands mimic LOOL protocol but we talk directly to LOKit:" << std::endl <<
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" status" << std::endl <<
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" calls LibreOfficeKitDocument::getDocumentType, getParts, getPartName, getDocumentSize" << std::endl <<
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" tile part pixelwidth pixelheight docposx docposy doctilewidth doctileheight" << std::endl <<
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" calls LibreOfficeKitDocument::paintTile" << std::endl;
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}
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else if (tokens[0] == "status")
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{
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if (tokens.count() != 1)
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{
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std::cout << "? syntax" << std::endl;
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continue;
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}
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std::cout << LOKitHelper::documentStatus(loKitDocument) << std::endl;
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for (int i = 0; i < loKitDocument->pClass->getParts(loKitDocument); i++)
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{
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std::cout << " " << i << ": '" << loKitDocument->pClass->getPartName(loKitDocument, i) << "'" << std::endl;
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}
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}
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else if (tokens[0] == "tile")
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{
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if (tokens.count() != 8)
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{
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std::cout << "? syntax" << std::endl;
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continue;
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}
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int partNumber(std::stoi(tokens[1]));
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int canvasWidth(std::stoi(tokens[2]));
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int canvasHeight(std::stoi(tokens[3]));
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int tilePosX(std::stoi(tokens[4]));
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int tilePosY(std::stoi(tokens[5]));
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int tileWidth(std::stoi(tokens[6]));
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int tileHeight(std::stoi(tokens[7]));
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std::vector<unsigned char> pixmap(canvasWidth*canvasHeight*4);
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loKitDocument->pClass->setPart(loKitDocument, partNumber);
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loKitDocument->pClass->paintTile(loKitDocument, pixmap.data(), canvasWidth, canvasHeight, tilePosX, tilePosY, tileWidth, tileHeight);
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if (!Util::windowingAvailable())
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continue;
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std::vector<char> png;
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Util::encodePNGAndAppendToBuffer(pixmap.data(), canvasWidth, canvasHeight, png);
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TemporaryFile pngFile;
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std::ofstream pngStream(pngFile.path(), std::ios::binary);
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pngStream.write(png.data(), png.size());
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pngStream.close();
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#ifdef __linux
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if (std::getenv("DISPLAY") != nullptr)
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{
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if (std::system((std::string("display ") + pngFile.path()).c_str()) == -1)
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{
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// Not worth it to display a warning, this is just a throwaway test program, and
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// the developer running it surely notices if nothing shows up...
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}
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}
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#endif
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}
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else
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{
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std::cout << "? unrecognized" << std::endl;
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}
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}
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// Safest to just bluntly exit
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_Exit(Application::EXIT_OK);
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}
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};
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POCO_APP_MAIN(LOKitClient)
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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