4cd080ab0e
Although the document class keeps the page number, the sub pages may need to know the page number as well. For example X/27 packets contain relative magazine numbers which need the current page number to calculate the actual page numbers referenced.
163 lines
3.9 KiB
C++
163 lines
3.9 KiB
C++
/*
|
|
* Copyright (C) 2020 Gavin MacGregor
|
|
*
|
|
* This file is part of QTeletextMaker.
|
|
*
|
|
* QTeletextMaker is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* QTeletextMaker is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <QByteArray>
|
|
|
|
#include "pagebase.h"
|
|
|
|
PageBase::PageBase()
|
|
{
|
|
m_pageNumber = 0x8ff;
|
|
m_pageFunction = PFLOP;
|
|
m_packetCoding = PC7bit;
|
|
// We use nullptrs to keep track of allocated packets, so initialise them this way
|
|
for (int i=0; i<90; i++)
|
|
m_packets[i] = nullptr;
|
|
for (int i=0; i<8; i++)
|
|
m_controlBits[i] = false;
|
|
}
|
|
|
|
PageBase::PageBase(const PageBase &other)
|
|
{
|
|
setPageNumber(other.pageNumber());
|
|
setPageFunction(other.pageFunction());
|
|
setPacketCoding(other.packetCoding());
|
|
for (int i=0; i<8; i++)
|
|
setControlBit(i, other.controlBit(i));
|
|
for (int i=0; i<90; i++)
|
|
if (other.packetNeededArrayIndex(i))
|
|
setPacketArrayIndex(i, other.packetArrayIndex(i));
|
|
}
|
|
|
|
PageBase::~PageBase()
|
|
{
|
|
for (int i=0; i<90; i++)
|
|
if (m_packets[i] != nullptr)
|
|
delete m_packets[i];
|
|
}
|
|
|
|
void PageBase::setPageNumber(int newPageNumber)
|
|
{
|
|
m_pageNumber = newPageNumber;
|
|
}
|
|
|
|
QByteArray PageBase::packet(int packetNumber, int designationCode) const
|
|
{
|
|
int arrayIndex = packetNumber;
|
|
|
|
if (packetNumber >= 26)
|
|
arrayIndex += (packetNumber - 26) * 16 + designationCode;
|
|
return packetArrayIndex(arrayIndex);
|
|
}
|
|
|
|
QByteArray PageBase::packetArrayIndex(int arrayIndex) const
|
|
{
|
|
if (m_packets[arrayIndex] == nullptr)
|
|
return QByteArray(); // Blank result
|
|
return *m_packets[arrayIndex];
|
|
}
|
|
|
|
bool PageBase::packetNeeded(int packetNumber, int designationCode) const
|
|
{
|
|
int arrayIndex = packetNumber;
|
|
|
|
if (packetNumber >= 26)
|
|
arrayIndex += (packetNumber - 26) * 16 + designationCode;
|
|
return packetNeededArrayIndex(arrayIndex);
|
|
}
|
|
|
|
bool PageBase::packetNeededArrayIndex(int arrayIndex) const
|
|
{
|
|
return m_packets[arrayIndex] != nullptr;
|
|
}
|
|
|
|
bool PageBase::setPacket(int packetNumber, QByteArray packetContents)
|
|
{
|
|
return setPacket(packetNumber, 0, packetContents);
|
|
}
|
|
|
|
bool PageBase::setPacket(int packetNumber, int designationCode, QByteArray packetContents)
|
|
{
|
|
int arrayIndex = packetNumber;
|
|
|
|
if (packetNumber >= 26)
|
|
arrayIndex += (packetNumber - 26) * 16 + designationCode;
|
|
return setPacketArrayIndex(arrayIndex, packetContents);
|
|
}
|
|
|
|
bool PageBase::setPacketArrayIndex(int arrayIndex, QByteArray packetContents)
|
|
{
|
|
if (m_packets[arrayIndex] == nullptr)
|
|
m_packets[arrayIndex] = new QByteArray(40, 0x00);
|
|
*m_packets[arrayIndex] = packetContents;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool PageBase::deletePacket(int packetNumber, int designationCode)
|
|
{
|
|
int arrayIndex = packetNumber;
|
|
|
|
if (packetNumber >= 26)
|
|
arrayIndex += (packetNumber - 26) * 16 + designationCode;
|
|
|
|
return deletePacketArrayIndex(arrayIndex);
|
|
}
|
|
|
|
bool PageBase::deletePacketArrayIndex(int arrayIndex)
|
|
{
|
|
if (m_packets[arrayIndex] != nullptr) {
|
|
delete m_packets[arrayIndex];
|
|
m_packets[arrayIndex] = nullptr;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool PageBase::setControlBit(int bitNumber, bool active)
|
|
{
|
|
m_controlBits[bitNumber] = active;
|
|
return true;
|
|
}
|
|
|
|
PageBase::PacketCodingEnum PageBase::packetCoding(int packetNumber) const
|
|
{
|
|
switch (packetNumber) {
|
|
case 26:
|
|
case 28:
|
|
return PC18bit;
|
|
case 27:
|
|
return PC4bit;
|
|
default:
|
|
return m_packetCoding;
|
|
}
|
|
}
|
|
|
|
bool PageBase::setPageFunction(PageBase::PageFunctionEnum newPageFunction)
|
|
{
|
|
m_pageFunction = newPageFunction;
|
|
return true;
|
|
}
|
|
|
|
bool PageBase::setPacketCoding(PageBase::PacketCodingEnum newPacketEncoding)
|
|
{
|
|
m_packetCoding = newPacketEncoding;
|
|
return true;
|
|
}
|