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Viewing changes to src/palmdoc.cpp

Committer: John Schember
Date: 2010-05-13 01:15:59 UTC
Revision ID: john@nachtimwald.com-20100513011559-8nlq8kjv9r93ele4

initial commit.

files added:

.bzrignore

COPYING.txt

docs

docs/compression

docs/compression/palmdoc.txt

docs/compression/zip.txt

docs/epub

docs/epub/Open Container Format (OCF) v1.0.html

docs/epub/Open Packaging Format (OPF) 2.0 v1.0.html

docs/epub/Open Publication Structure (OPS) 2.0 v1.0.html

docs/pdb

docs/pdb/ereader.txt

docs/pdb/palmdoc.txt

docs/pdb/pdb_format.txt

docs/pdb/pdb_types.txt

docs/pdb/pml.txt

docs/pdb/ztxt.txt

docs/plucker.html

docs/rb.txt

docs/tcr.txt

lebookread.pro

src/ebookread.cpp

src/ebookread.h

src/epubfileentry.cpp

src/epubfileentry.h

src/epubfileentry_p.h

src/epubreader.cpp

src/epubreader.h

src/fileutils.cpp

src/fileutils.h

src/formatreader.cpp

src/formatreader.h

src/lebookread_global.h

src/palmdoc.cpp

src/palmdoc.h

src/palmdocheader.cpp

src/palmdocheader.h

src/palmdocreader.cpp

src/palmdocreader.h

src/pdbheader.cpp

src/pdbheader.h

src/pdbreader.cpp

src/pdbreader.h

src/textconverter.cpp

src/textconverter.h

src/tocitem.cpp

src/tocitem.h

src/tocitem_p.h

src/zlibdecompressor.cpp

src/zlibdecompressor.h

src/ztxtheader.cpp

src/ztxtheader.h

src/ztxtreader.cpp

src/ztxtreader.h

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src/palmdoc.cpp

* This library is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

* This library 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 Lesser General Public License for more details.

* You should have received a copy of the GNU Lesser General Public License

* along with this library. If not, see <http://www.gnu.org/licenses/>.

#include "palmdoc.h"

QByteArray PalmDoc::decompress(const QByteArray &data)

{

QByteArray result;

int i = 0;

while (i < data.count()) {

int c = (quint8)data.at(i);

i += 1;

if (c >= 0x01 && c <= 0x08) {

for (int j = 0; j < c; j++) {

result.append(data.at(i + j));

}

else if (c <= 0x7f) {

result.append(c);

}

else if (c >= 0xc0) {

result.append(32);

result.append(c ^ 0x80);

}

else {

c = (c << 8) + (quint8)data.at(i);

i += 1;

int di = (c & 0x3fff) >> 3;

int j = result.count();

int num = (c & ((1 << 3) - 1)) + 3;

for (int k = 0; k < num; k++) {

result.append((result.at(j - di + k)));

}

return result;

}

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