517 lines
17 KiB
C++
517 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#ifndef INCLUDED_TILEDESC_HPP
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#define INCLUDED_TILEDESC_HPP
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#include <cassert>
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#include <map>
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#include <sstream>
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#include <string>
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#include <Poco/StringTokenizer.h>
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#include "Exceptions.hpp"
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#include "Protocol.hpp"
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#define TILE_WIRE_ID
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typedef uint32_t TileWireId;
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typedef uint64_t TileBinaryHash;
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/// Tile Descriptor
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/// Represents a tile's coordinates and dimensions.
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class TileDesc
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{
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public:
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TileDesc(int part, int width, int height, int tilePosX, int tilePosY, int tileWidth, int tileHeight, int ver, int imgSize, int id, bool broadcast) :
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_part(part),
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_width(width),
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_height(height),
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_tilePosX(tilePosX),
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_tilePosY(tilePosY),
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_tileWidth(tileWidth),
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_tileHeight(tileHeight),
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_ver(ver),
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_imgSize(imgSize),
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_id(id),
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_broadcast(broadcast),
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_oldWireId(0),
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_wireId(0)
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{
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if (_part < 0 ||
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_width <= 0 ||
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_height <= 0 ||
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_tilePosX < 0 ||
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_tilePosY < 0 ||
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_tileWidth <= 0 ||
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_tileHeight <= 0 ||
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_imgSize < 0)
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{
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throw BadArgumentException("Invalid tile descriptor.");
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}
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}
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int getPart() const { return _part; }
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int getWidth() const { return _width; }
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int getHeight() const { return _height; }
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int getTilePosX() const { return _tilePosX; }
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int getTilePosY() const { return _tilePosY; }
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int getTileWidth() const { return _tileWidth; }
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int getTileHeight() const { return _tileHeight; }
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int getVersion() const { return _ver; }
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void setVersion(const int ver) { _ver = ver; }
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int getImgSize() const { return _imgSize; }
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void setImgSize(const int imgSize) { _imgSize = imgSize; }
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int getId() const { return _id; }
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bool getBroadcast() const { return _broadcast; }
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void setOldWireId(TileWireId id) { _oldWireId = id; }
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TileWireId getOldWireId() const { return _oldWireId; }
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void setWireId(TileWireId id) { _wireId = id; }
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TileWireId getWireId() const { return _wireId; }
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bool operator==(const TileDesc& other) const
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{
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return _part == other._part &&
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_width == other._width &&
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_height == other._height &&
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_tilePosX == other._tilePosX &&
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_tilePosY == other._tilePosY &&
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_tileWidth == other._tileWidth &&
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_tileHeight == other._tileHeight &&
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_id == other._id &&
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_broadcast == other._broadcast;
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}
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static bool rectanglesIntersect(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2)
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{
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return x1 + w1 >= x2 &&
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x1 <= x2 + w2 &&
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y1 + h1 >= y2 &&
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y1 <= y2 + h2;
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}
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bool intersectsWithRect(int x, int y, int w, int h) const
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{
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return rectanglesIntersect(getTilePosX(), getTilePosY(), getTileWidth(), getTileHeight(), x, y, w, h);
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}
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bool intersects(const TileDesc& other) const
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{
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return intersectsWithRect(other.getTilePosX(), other.getTilePosY(),
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other.getTileWidth(), other.getTileHeight());
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}
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bool isAdjacent(const TileDesc& other) const
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{
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if (other.getPart() != getPart() ||
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other.getWidth() != getWidth() ||
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other.getHeight() != getHeight() ||
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other.getTileWidth() != getTileWidth() ||
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other.getTileHeight() != getTileHeight())
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{
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return false;
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}
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return intersects(other);
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}
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bool onSameRow(const TileDesc& other) const
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{
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if (other.getPart() != getPart() ||
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other.getWidth() != getWidth() ||
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other.getHeight() != getHeight() ||
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other.getTileWidth() != getTileWidth() ||
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other.getTileHeight() != getTileHeight())
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{
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return false;
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}
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return other.getTilePosY() + other.getTileHeight() >= getTilePosY() &&
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other.getTilePosY() <= getTilePosY() + getTileHeight();
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}
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/// Serialize this instance into a string.
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/// Optionally prepend a prefix.
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std::string serialize(const std::string& prefix = "") const
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{
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std::ostringstream oss;
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oss << prefix
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<< " part=" << _part
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<< " width=" << _width
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<< " height=" << _height
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<< " tileposx=" << _tilePosX
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<< " tileposy=" << _tilePosY
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<< " tilewidth=" << _tileWidth
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<< " tileheight=" << _tileHeight
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<< " oldwid=" << _oldWireId
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<< " wid=" << _wireId;
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// Anything after ver is optional.
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oss << " ver=" << _ver;
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if (_id >= 0)
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{
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oss << " id=" << _id;
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}
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if (_imgSize > 0)
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{
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oss << " imgsize=" << _imgSize;
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}
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if (_broadcast)
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{
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oss << " broadcast=yes";
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}
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return oss.str();
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}
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/// Deserialize a TileDesc from a tokenized string.
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static TileDesc parse(const std::vector<std::string>& tokens)
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{
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// We don't expect undocumented fields and
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// assume all values to be int.
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std::map<std::string, int> pairs;
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// Optional.
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pairs["ver"] = -1;
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pairs["imgsize"] = 0;
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pairs["id"] = -1;
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TileWireId oldWireId = 0;
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TileWireId wireId = 0;
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for (size_t i = 0; i < tokens.size(); ++i)
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{
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if (LOOLProtocol::getTokenUInt32(tokens[i], "oldwid", oldWireId))
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;
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else if (LOOLProtocol::getTokenUInt32(tokens[i], "wid", wireId))
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;
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else
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{
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std::string name;
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int value = -1;
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if (LOOLProtocol::parseNameIntegerPair(tokens[i], name, value))
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{
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pairs[name] = value;
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}
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}
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}
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std::string s;
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const bool broadcast = (LOOLProtocol::getTokenString(tokens, "broadcast", s) &&
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s == "yes");
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auto result = TileDesc(pairs["part"], pairs["width"], pairs["height"],
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pairs["tileposx"], pairs["tileposy"],
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pairs["tilewidth"], pairs["tileheight"],
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pairs["ver"],
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pairs["imgsize"], pairs["id"], broadcast);
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result.setOldWireId(oldWireId);
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result.setWireId(wireId);
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return result;
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}
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/// Deserialize a TileDesc from a string format.
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static TileDesc parse(const std::string& message)
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{
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return parse(LOOLProtocol::tokenize(message.data(), message.size()));
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}
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private:
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int _part;
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int _width;
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int _height;
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int _tilePosX;
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int _tilePosY;
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int _tileWidth;
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int _tileHeight;
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int _ver; //< Versioning support.
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int _imgSize; //< Used for responses.
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int _id;
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bool _broadcast;
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TileWireId _oldWireId;
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TileWireId _wireId;
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};
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/// One or more tile header.
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/// Used to request the rendering of multiple
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/// tiles as well as the header of the response.
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class TileCombined
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{
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private:
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TileCombined(int part, int width, int height,
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const std::string& tilePositionsX, const std::string& tilePositionsY,
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int tileWidth, int tileHeight, const std::string& vers,
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const std::string& imgSizes, int id,
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const std::string& oldWireIds,
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const std::string& wireIds) :
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_part(part),
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_width(width),
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_height(height),
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_tileWidth(tileWidth),
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_tileHeight(tileHeight),
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_id(id)
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{
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if (_part < 0 ||
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_width <= 0 ||
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_height <= 0 ||
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_tileWidth <= 0 ||
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_tileHeight <= 0)
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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Poco::StringTokenizer positionXtokens(tilePositionsX, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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Poco::StringTokenizer positionYtokens(tilePositionsY, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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Poco::StringTokenizer imgSizeTokens(imgSizes, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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Poco::StringTokenizer verTokens(vers, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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Poco::StringTokenizer oldWireIdTokens(oldWireIds, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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Poco::StringTokenizer wireIdTokens(wireIds, ",", Poco::StringTokenizer::TOK_IGNORE_EMPTY | Poco::StringTokenizer::TOK_TRIM);
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const auto numberOfPositions = positionXtokens.count();
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// check that the comma-separated strings have the same number of elements
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if (numberOfPositions != positionYtokens.count() ||
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(!imgSizes.empty() && numberOfPositions != imgSizeTokens.count()) ||
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(!vers.empty() && numberOfPositions != verTokens.count()) ||
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(!oldWireIds.empty() && numberOfPositions != oldWireIdTokens.count()) ||
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(!wireIds.empty() && numberOfPositions != wireIdTokens.count()))
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{
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throw BadArgumentException("Invalid tilecombine descriptor. Unequal number of tiles in parameters.");
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}
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for (size_t i = 0; i < numberOfPositions; ++i)
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{
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int x = 0;
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if (!LOOLProtocol::stringToInteger(positionXtokens[i], x))
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{
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throw BadArgumentException("Invalid 'tileposx' in tilecombine descriptor.");
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}
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int y = 0;
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if (!LOOLProtocol::stringToInteger(positionYtokens[i], y))
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{
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throw BadArgumentException("Invalid 'tileposy' in tilecombine descriptor.");
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}
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int imgSize = 0;
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if (imgSizeTokens.count() && !LOOLProtocol::stringToInteger(imgSizeTokens[i], imgSize))
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{
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throw BadArgumentException("Invalid 'imgsize' in tilecombine descriptor.");
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}
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int ver = -1;
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if (verTokens.count() && !verTokens[i].empty() && !LOOLProtocol::stringToInteger(verTokens[i], ver))
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{
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throw BadArgumentException("Invalid 'ver' in tilecombine descriptor.");
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}
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TileWireId oldWireId = 0;
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if (oldWireIdTokens.count() && !LOOLProtocol::stringToUInt32(oldWireIdTokens[i], oldWireId))
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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TileWireId wireId = 0;
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if (wireIdTokens.count() && !LOOLProtocol::stringToUInt32(wireIdTokens[i], wireId))
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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_tiles.emplace_back(_part, _width, _height, x, y, _tileWidth, _tileHeight, ver, imgSize, id, false);
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_tiles.back().setOldWireId(oldWireId);
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_tiles.back().setWireId(wireId);
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}
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}
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public:
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int getPart() const { return _part; }
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int getWidth() const { return _width; }
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int getHeight() const { return _height; }
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int getTileWidth() const { return _tileWidth; }
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int getTileHeight() const { return _tileHeight; }
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const std::vector<TileDesc>& getTiles() const { return _tiles; }
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std::vector<TileDesc>& getTiles() { return _tiles; }
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/// Serialize this instance into a string.
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/// Optionally prepend a prefix.
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std::string serialize(const std::string& prefix = "") const
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{
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std::ostringstream oss;
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oss << prefix
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<< " part=" << _part
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<< " width=" << _width
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<< " height=" << _height
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<< " tileposx=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getTilePosX() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Seek back over last comma, overwritten below.
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oss << " tileposy=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getTilePosY() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto.
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oss << " imgsize=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getImgSize() << ','; // Ditto.
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}
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oss.seekp(-1, std::ios_base::cur);
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oss << " tilewidth=" << _tileWidth
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<< " tileheight=" << _tileHeight;
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oss << " ver=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getVersion() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto.
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oss << " oldwid=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getOldWireId() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto
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oss << " wid=";
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for (const auto& tile : _tiles)
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{
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oss << tile.getWireId() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // See beow.
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if (_id >= 0)
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{
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oss << " id=" << _id;
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}
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// Make sure we don't return a potential trailing comma that
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// we have seeked back over but not overwritten after all.
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return oss.str().substr(0, oss.tellp());
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}
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/// Deserialize a TileDesc from a tokenized string.
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static TileCombined parse(const std::vector<std::string>& tokens)
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{
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// We don't expect undocumented fields and
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// assume all values to be int.
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std::map<std::string, int> pairs;
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// Optional.
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pairs["id"] = -1;
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std::string tilePositionsX;
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std::string tilePositionsY;
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std::string imgSizes;
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std::string versions;
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std::string oldwireIds;
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std::string wireIds;
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for (const auto& token : tokens)
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{
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std::string name;
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std::string value;
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if (LOOLProtocol::parseNameValuePair(token, name, value))
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{
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if (name == "tileposx")
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{
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tilePositionsX = value;
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}
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else if (name == "tileposy")
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{
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tilePositionsY = value;
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}
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else if (name == "imgsize")
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{
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imgSizes = value;
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}
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else if (name == "ver")
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{
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versions = value;
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}
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else if (name == "oldwid")
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{
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oldwireIds = value;
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}
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else if (name == "wid")
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{
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wireIds = value;
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}
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else
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{
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int v = 0;
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if (LOOLProtocol::stringToInteger(value, v))
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{
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pairs[name] = v;
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}
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}
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}
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}
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return TileCombined(pairs["part"], pairs["width"], pairs["height"],
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tilePositionsX, tilePositionsY,
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pairs["tilewidth"], pairs["tileheight"],
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versions,
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imgSizes, pairs["id"], oldwireIds, wireIds);
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}
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/// Deserialize a TileDesc from a string format.
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static TileCombined parse(const std::string& message)
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{
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return parse(LOOLProtocol::tokenize(message.data(), message.size()));
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}
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static TileCombined create(const std::vector<TileDesc>& tiles)
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{
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assert(!tiles.empty());
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std::ostringstream xs;
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std::ostringstream ys;
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std::ostringstream vers;
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std::ostringstream oldhs;
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std::ostringstream hs;
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for (const auto& tile : tiles)
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{
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xs << tile.getTilePosX() << ',';
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ys << tile.getTilePosY() << ',';
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vers << tile.getVersion() << ',';
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oldhs << tile.getOldWireId() << ',';
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hs << tile.getWireId() << ',';
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}
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vers.seekp(-1, std::ios_base::cur); // Remove last comma.
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return TileCombined(tiles[0].getPart(), tiles[0].getWidth(), tiles[0].getHeight(),
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xs.str(), ys.str(), tiles[0].getTileWidth(), tiles[0].getTileHeight(),
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vers.str(), "", -1, oldhs.str(), hs.str());
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}
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private:
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std::vector<TileDesc> _tiles;
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int _part;
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int _width;
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int _height;
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int _tileWidth;
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int _tileHeight;
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int _id;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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