Diffstat (limited to 'noncore/apps/opie-reader/arrierego.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/arrierego.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/noncore/apps/opie-reader/arrierego.cpp b/noncore/apps/opie-reader/arrierego.cpp new file mode 100644 index 0000000..be2a3fa --- a/dev/null +++ b/noncore/apps/opie-reader/arrierego.cpp @@ -0,0 +1,188 @@ +#ifdef USENEF +#include <qimage.h> +#include "arrierego.h" + +struct CArriere_dataRecord +{ + UInt16 uid; + UInt16 nParagraphs; + UInt32 size; + UInt8 type; + UInt8 reserved; +}; + +int CArriere::HeaderSize() +{ + return 10; +} + +void CArriere::GetHeader(UInt16& uid, UInt16& nParagraphs, UInt32& size, UInt8& type, UInt8& reserved) +{ + CArriere_dataRecord thishdr; + unsuspend(); + fread(&thishdr, 1, HeaderSize(), fin); + uid = ntohs(thishdr.uid); + nParagraphs = ntohs(thishdr.nParagraphs); + size = ntohl(thishdr.size); + type = thishdr.type; + reserved = thishdr.reserved; + // qDebug("UID:%u Paras:%u Size:%u Type:%u Reserved:%u", uid, nParagraphs, size, (unsigned int)type, (unsigned int)reserved); +// for (int i = 0; i < sizeof(thishdr); i++) +// printf("%d %x\n", i, (int)(((char *)(&thishdr))[i])); +} + +bool CArriere::CorrectDecoder() +{ + char * type = (char*)(&(head.type)); + for (int i = 0; i < 8; ++i) qDebug("%c", type[i]); + return (memcmp(&head.type, "ArriereG", 8) == 0); +} + +int CArriere::bgetch() +{ + int ch = EOF; + if (bufferpos >= buffercontent) + { + if (bufferrec >= ntohs(head.recordList.numRecords) - 1) + { + return EOF; + } + if (isEndOfSection(bufferrec)) + { + return EOF; + } + if (!expand(bufferrec+1)) + { + return EOF; + } + mystyle.unset(); + if (m_ParaOffsets[m_nextParaIndex] == 0) + { + while (m_ParaOffsets[m_nextParaIndex+1] == 0) + { + m_nextParaIndex++; + } + } + mystyle.setExtraSpace((m_ParaAttrs[m_nextParaIndex]&7)*2); + } + if (bufferpos == m_nextPara) + { + while (bufferpos == m_nextPara) + { + m_nextParaIndex++; + if (m_nextParaIndex == m_nParas) + { + m_nextPara = -1; + } + else + { + m_nextPara += m_ParaOffsets[m_nextParaIndex]; + } + } + mystyle.unset(); + mystyle.setExtraSpace((m_ParaAttrs[m_nextParaIndex]&7)*2); + if (m_lastBreak == locate()) + { + currentpos++; + ch = expandedtextbuffer[bufferpos++]; + } + else + { + ch = 10; + } + } + else + { + currentpos++; + ch = expandedtextbuffer[bufferpos++]; + } + return ch; +} + +tchar CArriere::getch(bool fast) +{ + mystyle.clearPicture(); + return getch_base(fast); +} + +/* +void CArriere::setlink(QString& fn, const QString& wrd) +{ + fn = wrd; +} +*/ + +QImage* CArriere::imagefromdata(UInt8* imgbuffer, UInt32 imgsize) +{ + QByteArray arr; + arr.assign((const char*)imgbuffer, imgsize); + + QImage* qimage = new QImage(arr); + + return qimage; +} + +void CArriere::start2endSection() +{ + m_currentstart = NEFstartSection(); + m_currentend = NEFendSection(); +} + +unsigned long CArriere::NEFstartSection() +{ +//inefficient - Should calc start/end of section on entry to section? + UInt16 thishdr_uid, thishdr_nParagraphs; + UInt32 thishdr_size; + UInt8 thishdr_type, thishdr_reserved; + unsigned long textlength = currentpos-bufferpos; + for (UInt16 recptr = bufferrec-1; recptr >= 1; recptr--) + { + gotorecordnumber(recptr); + //qDebug("recptr:%u", recptr); + GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved); + if (thishdr_type < 2) + { + if ((thishdr_reserved && continuation_bit) == 0) break; + textlength -= thishdr_size; + //qDebug("Textlength:%u, reserved:%u, recptr:%u", textlength, thishdr_reserved, recptr); + } + } + return textlength; +} + +unsigned long CArriere::NEFendSection() +{ +//inefficient - Should calc start/end of section on entry to section? + unsigned long textlength = currentpos-bufferpos+buffercontent; + gotorecordnumber(bufferrec); + UInt16 thishdr_uid, thishdr_nParagraphs; + UInt32 thishdr_size; + UInt8 thishdr_type, thishdr_reserved; + GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved); + if ((thishdr_reserved && continuation_bit) != 0) + { + for (UInt16 recptr = bufferrec+1; recptr < ntohs(head.recordList.numRecords); recptr++) + { + gotorecordnumber(recptr); + UInt16 thishdr_uid, thishdr_nParagraphs; + UInt32 thishdr_size; + UInt8 thishdr_type, thishdr_reserved; + GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved); + // qDebug("recptr %u bufferrec %u type %u m_reserved %u", recptr, bufferrec, typ + if (thishdr_type < 2) + { + textlength += thishdr_size; + if ((thishdr_reserved && continuation_bit) == 0) break; + } + } + } + return textlength; +} + +#ifndef __STATIC +extern "C" +{ + CExpander* newcodec() { return new CArriere; } +} +#endif +#endif |